fix: correct babash typo from sed double-replacement

fix: add startup recovery for lost proofs and pending operations

.gitignore

@@ -47,3 +47,4 @@ app.*.map.json
 
 # Rust/CargoKit compiled native libraries
 android/app/src/main/jniLibs/
+rust/target/

android/app/build.gradle

@@ -21,7 +21,7 @@ android {
 
     defaultConfig {
         applicationId "me.elcaju"
-        minSdk 21  // Required for FlutterSecureStorage (EncryptedSharedPreferences)
+        minSdkVersion flutter.minSdkVersion  // Required for FlutterSecureStorage (EncryptedSharedPreferences)
         targetSdk flutter.targetSdkVersion
         versionCode flutter.versionCode
         versionName flutter.versionName

android/app/src/main/AndroidManifest.xml

@@ -7,6 +7,9 @@
     <!-- Cámara opcional: la app funciona sin ella (pegando desde portapapeles) -->
     <uses-feature android:name="android.hardware.camera" android:required="false"/>
     <uses-feature android:name="android.hardware.camera.autofocus" android:required="false"/>
+    <!-- NFC para compartir tokens Cashu -->
+    <uses-permission android:name="android.permission.NFC"/>
+    <uses-feature android:name="android.hardware.nfc" android:required="false"/>
 
     <application
         android:label="ElCaju"
@@ -34,6 +37,19 @@
                 <category android:name="android.intent.category.LAUNCHER"/>
             </intent-filter>
         </activity>
+        <!-- HCE service: phone emulates NFC tag for phone-to-phone transfers -->
+        <service
+            android:name=".NfcHceService"
+            android:exported="true"
+            android:permission="android.permission.BIND_NFC_SERVICE">
+            <intent-filter>
+                <action android:name="android.nfc.cardemulation.action.HOST_APDU_SERVICE" />
+            </intent-filter>
+            <meta-data
+                android:name="android.nfc.cardemulation.host_apdu_service"
+                android:resource="@xml/hce_nfc" />
+        </service>
+
         <!-- Don't delete the meta-data below.
              This is used by the Flutter tool to generate GeneratedPluginRegistrant.java -->
         <meta-data

android/app/src/main/kotlin/me/elcaju/MainActivity.kt

@@ -1,5 +1,60 @@
 package me.elcaju
 
+import android.content.ComponentName
+import android.nfc.NfcAdapter
+import android.nfc.cardemulation.CardEmulation
+import android.util.Log
 import io.flutter.embedding.android.FlutterActivity
+import io.flutter.embedding.engine.FlutterEngine
+import io.flutter.plugin.common.MethodChannel
 
-class MainActivity : FlutterActivity()
+class MainActivity : FlutterActivity() {
+    private val CHANNEL = "me.elcaju/nfc_hce"
+
+    override fun configureFlutterEngine(flutterEngine: FlutterEngine) {
+        super.configureFlutterEngine(flutterEngine)
+
+        MethodChannel(flutterEngine.dartExecutor.binaryMessenger, CHANNEL).setMethodCallHandler { call, result ->
+            when (call.method) {
+                "setPayload" -> {
+                    val payload = call.argument<ByteArray>("payload")
+                    NfcHceService.ndefPayload = payload
+
+                    // Force Android to route the NDEF AID to our service
+                    // instead of manufacturer services (Xiaomi Mi Share, etc.)
+                    try {
+                        val adapter = NfcAdapter.getDefaultAdapter(this)
+                        if (adapter != null) {
+                            val cardEmulation = CardEmulation.getInstance(adapter)
+                            cardEmulation.setPreferredService(
+                                this,
+                                ComponentName(this, NfcHceService::class.java)
+                            )
+                        }
+                    } catch (e: Exception) {
+                        Log.w("MainActivity", "setPreferredService failed (non-critical)", e)
+                    }
+
+                    result.success(true)
+                }
+                "clearPayload" -> {
+                    NfcHceService.ndefPayload = null
+
+                    // Release preferred service routing
+                    try {
+                        val adapter = NfcAdapter.getDefaultAdapter(this)
+                        if (adapter != null) {
+                            val cardEmulation = CardEmulation.getInstance(adapter)
+                            cardEmulation.unsetPreferredService(this)
+                        }
+                    } catch (e: Exception) {
+                        Log.w("MainActivity", "unsetPreferredService failed (non-critical)", e)
+                    }
+
+                    result.success(true)
+                }
+                else -> result.notImplemented()
+            }
+        }
+    }
+}

android/app/src/main/kotlin/me/elcaju/NfcHceService.kt

@@ -0,0 +1,140 @@
+package me.elcaju
+
+import android.nfc.cardemulation.HostApduService
+import android.os.Bundle
+import android.util.Log
+
+/**
+ * Host Card Emulation service that makes the phone act as an NFC Forum Type 4 tag.
+ * Another phone in reader mode can tap and read the NDEF message we serve.
+ *
+ * The payload is set from Flutter via MainActivity's MethodChannel.
+ */
+class NfcHceService : HostApduService() {
+
+    companion object {
+        private const val TAG = "NfcHceService"
+
+        // Shared payload - set by Flutter via MethodChannel
+        @Volatile
+        var ndefPayload: ByteArray? = null
+
+        private val OK = byteArrayOf(0x90.toByte(), 0x00.toByte())
+        private val NOT_FOUND = byteArrayOf(0x6A.toByte(), 0x82.toByte())
+
+        // Capability Container (CC) file - fixed structure
+        // MLe=0xFF (255), MLc=0xFF (255), max NDEF=0x70FF (28671)
+        // Compatible with Numo
+        private val CC_FILE = byteArrayOf(
+            0x00, 0x0F,                         // CC length (15)
+            0x20,                                // Mapping version 2.0
+            0x00, 0xFF.toByte(),                 // MLe: max read 255 bytes
+            0x00, 0xFF.toByte(),                 // MLc: max write 255 bytes
+            0x04, 0x06,                          // NDEF File Control TLV
+            0xE1.toByte(), 0x04,                 // NDEF file ID
+            0x70, 0xFF.toByte(),                 // Max NDEF size: 28671 bytes
+            0x00,                                // Read access: open
+            0xFF.toByte()                        // Write access: denied
+        )
+    }
+
+    private var selectedFile: String = "none"
+    private var ndefFileCache: ByteArray? = null
+
+    override fun processCommandApdu(commandApdu: ByteArray, extras: Bundle?): ByteArray {
+        if (commandApdu.size < 4) return NOT_FOUND
+
+        val ins = commandApdu[1]
+
+        // SELECT command
+        if (ins == 0xA4.toByte()) {
+            return handleSelect(commandApdu)
+        }
+
+        // READ BINARY command
+        if (ins == 0xB0.toByte()) {
+            return handleRead(commandApdu)
+        }
+
+        return NOT_FOUND
+    }
+
+    private fun handleSelect(apdu: ByteArray): ByteArray {
+        // Select ElCaju proprietary AID (F04543414A5500)
+        // Avoids conflicts with Xiaomi Mi Share / Samsung Beam
+        if (apdu.size >= 12 && apdu[5] == 0xF0.toByte() && apdu[6] == 0x45.toByte()) {
+            selectedFile = "app"
+            Log.d(TAG, "Selected ElCaju Application (proprietary AID)")
+            return OK
+        }
+
+        // Select NDEF Application (AID: D2760000850101)
+        if (apdu.size >= 12 && apdu[5] == 0xD2.toByte() && apdu[6] == 0x76.toByte()) {
+            selectedFile = "app"
+            Log.d(TAG, "Selected NDEF Application")
+            return OK
+        }
+
+        // Select by file ID
+        if (apdu.size >= 7) {
+            val fileId = ((apdu[5].toInt() and 0xFF) shl 8) or (apdu[6].toInt() and 0xFF)
+            when (fileId) {
+                0xE103 -> {
+                    selectedFile = "cc"
+                    Log.d(TAG, "Selected CC file")
+                    return OK
+                }
+                0xE104 -> {
+                    selectedFile = "ndef"
+                    // Cache the NDEF file when selected
+                    val payload = ndefPayload
+                    if (payload != null) {
+                        val file = ByteArray(2 + payload.size)
+                        file[0] = (payload.size shr 8).toByte()
+                        file[1] = (payload.size and 0xFF).toByte()
+                        System.arraycopy(payload, 0, file, 2, payload.size)
+                        ndefFileCache = file
+                        Log.d(TAG, "Selected NDEF file (${payload.size} bytes payload)")
+                    } else {
+                        ndefFileCache = null
+                        Log.w(TAG, "Selected NDEF file but no payload set")
+                    }
+                    return OK
+                }
+            }
+        }
+
+        return NOT_FOUND
+    }
+
+    private fun handleRead(apdu: ByteArray): ByteArray {
+        if (apdu.size < 5) return NOT_FOUND
+
+        val offset = ((apdu[2].toInt() and 0xFF) shl 8) or (apdu[3].toInt() and 0xFF)
+        // Le=0x00 means 256 bytes in short APDU encoding
+        var length = apdu[4].toInt() and 0xFF
+        if (length == 0) length = 256
+
+        val data = when (selectedFile) {
+            "cc" -> CC_FILE
+            "ndef" -> ndefFileCache ?: return NOT_FOUND
+            else -> return NOT_FOUND
+        }
+
+        if (offset >= data.size) {
+            Log.w(TAG, "Read offset $offset beyond data size ${data.size}")
+            return NOT_FOUND
+        }
+
+        val end = minOf(offset + length, data.size)
+        val response = data.copyOfRange(offset, end)
+        Log.d(TAG, "Read $selectedFile: offset=$offset len=$length returned=${response.size} bytes")
+        return response + OK
+    }
+
+    override fun onDeactivated(reason: Int) {
+        Log.d(TAG, "Deactivated (reason=$reason)")
+        selectedFile = "none"
+        ndefFileCache = null
+    }
+}

android/app/src/main/res/values/strings.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="hce_description">ElCaju NFC</string>
+</resources>

android/app/src/main/res/xml/hce_nfc.xml

@@ -0,0 +1,12 @@
+<host-apdu-service xmlns:android="http://schemas.android.com/apk/res/android"
+    android:description="@string/hce_description"
+    android:requireDeviceUnlock="false">
+    <aid-group
+        android:category="other"
+        android:description="@string/hce_description">
+        <!-- ElCaju proprietary AID (avoids Xiaomi/Samsung NFC service conflicts) -->
+        <aid-filter android:name="F04543414A5500" />
+        <!-- NDEF Tag Application AID (NFC Forum Type 4) -->
+        <aid-filter android:name="D2760000850101" />
+    </aid-group>
+</host-apdu-service>

flutter_rust_bridge.yaml

@@ -0,0 +1,3 @@
+rust_input: crate::api
+rust_root: rust/
+dart_output: lib/src/rust

l10n.yaml

@@ -2,4 +2,3 @@ arb-dir: lib/l10n
 template-arb-file: app_es.arb
 output-localization-file: app_localizations.dart
 output-class: L10n
-synthetic-package: false

lib/core/services/nfc_service.dart

@@ -0,0 +1,483 @@
+import 'dart:io' show Platform;
+import 'dart:typed_data';
+import 'package:flutter/services.dart';
+import 'package:nfc_manager/nfc_manager.dart';
+import 'package:nfc_manager/nfc_manager_android.dart';
+import 'package:ndef_record/ndef_record.dart';
+
+/// NFC availability state for UI rendering.
+enum NfcState {
+  /// Device does not have NFC hardware.
+  unsupported,
+
+  /// Device has NFC but it is disabled in settings.
+  disabled,
+
+  /// NFC is supported and enabled.
+  enabled,
+}
+
+/// Service for reading and writing Cashu tokens via NFC.
+///
+/// Writes tokens as NDEF Text Records for maximum compatibility
+/// with cashu.me and Numo. Reads both Text and URI records.
+class NfcService {
+  static const _hceChannel = MethodChannel('me.elcaju/nfc_hce');
+
+  // ─── HCE (phone-to-phone) ───
+
+  /// Start emulating an NFC tag with the given text payload.
+  /// The phone will appear as an NFC tag to other devices.
+  static Future<void> startEmulating(String text) async {
+    final ndefMessage = _buildNdefTextMessage(text);
+    await _hceChannel.invokeMethod('setPayload', {'payload': ndefMessage});
+  }
+
+  /// Stop emulating an NFC tag.
+  static Future<void> stopEmulating() async {
+    await _hceChannel.invokeMethod('clearPayload');
+  }
+
+  /// Build an NDEF message with a Text Record.
+  /// Uses Short Record (SR) for payloads ≤ 255 bytes,
+  /// Long Record for > 255 bytes (compatible with Numo).
+  static Uint8List _buildNdefTextMessage(String text) {
+    final textBytes = Uint8List.fromList(text.codeUnits);
+    final languageCode = Uint8List.fromList('en'.codeUnits);
+
+    // NDEF Text Record payload: [status byte][lang code][text]
+    final recordPayload = Uint8List(1 + languageCode.length + textBytes.length);
+    recordPayload[0] = languageCode.length;
+    recordPayload.setRange(1, 1 + languageCode.length, languageCode);
+    recordPayload.setRange(1 + languageCode.length, recordPayload.length, textBytes);
+
+    final payloadLength = recordPayload.length;
+    final isShortRecord = payloadLength <= 255;
+
+    if (isShortRecord) {
+      // Short Record: flags(1) + typeLen(1) + payloadLen(1) + type(1) + payload
+      final record = Uint8List(4 + payloadLength);
+      record[0] = 0xD1; // MB|ME|SR|TNF=well-known
+      record[1] = 1;    // type length
+      record[2] = payloadLength;
+      record[3] = 0x54; // 'T'
+      record.setRange(4, 4 + payloadLength, recordPayload);
+      return record;
+    } else {
+      // Long Record: flags(1) + typeLen(1) + payloadLen(4) + type(1) + payload
+      final record = Uint8List(7 + payloadLength);
+      record[0] = 0xC1; // MB|ME|TNF=well-known (no SR flag)
+      record[1] = 1;    // type length
+      record[2] = (payloadLength >> 24) & 0xFF;
+      record[3] = (payloadLength >> 16) & 0xFF;
+      record[4] = (payloadLength >> 8) & 0xFF;
+      record[5] = payloadLength & 0xFF;
+      record[6] = 0x54; // 'T'
+      record.setRange(7, 7 + payloadLength, recordPayload);
+      return record;
+    }
+  }
+
+  // ─── Tag read/write ───
+
+  /// Check NFC state on the device.
+  static Future<NfcState> checkState() async {
+    if (!Platform.isAndroid) return NfcState.unsupported;
+    try {
+      final availability = await NfcManager.instance.checkAvailability();
+      return switch (availability) {
+        NfcAvailability.enabled => NfcState.enabled,
+        NfcAvailability.disabled => NfcState.disabled,
+        NfcAvailability.unsupported => NfcState.unsupported,
+      };
+    } catch (_) {
+      return NfcState.unsupported;
+    }
+  }
+
+  /// Write a Cashu token to an NFC tag as NDEF Text Record.
+  static Future<void> startWrite({
+    required String token,
+    required void Function() onSuccess,
+    required void Function(String error) onError,
+  }) async {
+    try {
+      await NfcManager.instance.startSession(
+        pollingOptions: {NfcPollingOption.iso14443},
+        onDiscovered: (NfcTag tag) async {
+          final ndef = NdefAndroid.from(tag);
+          if (ndef == null || !ndef.isWritable) {
+            onError('Tag is not writable');
+            await NfcManager.instance.stopSession();
+            return;
+          }
+
+          // Build NDEF Text Record: [status byte][language code][text]
+          final textBytes = Uint8List.fromList(token.codeUnits);
+          final languageCode = Uint8List.fromList('en'.codeUnits);
+          final payload = Uint8List(1 + languageCode.length + textBytes.length);
+          payload[0] = languageCode.length; // status byte (UTF-8, no length)
+          payload.setRange(1, 1 + languageCode.length, languageCode);
+          payload.setRange(1 + languageCode.length, payload.length, textBytes);
+
+          // Check size
+          if (payload.length + 7 > ndef.maxSize) {
+            onError('Token too large for this NFC tag '
+                '(${payload.length + 7}B > ${ndef.maxSize}B)');
+            await NfcManager.instance.stopSession();
+            return;
+          }
+
+          try {
+            final message = NdefMessage(records: [
+              NdefRecord(
+                typeNameFormat: TypeNameFormat.wellKnown,
+                type: Uint8List.fromList([0x54]), // 'T' = Text Record
+                identifier: Uint8List(0),
+                payload: payload,
+              ),
+            ]);
+            await ndef.writeNdefMessage(message);
+            onSuccess();
+            await NfcManager.instance.stopSession();
+          } catch (e) {
+            onError(e.toString());
+            await NfcManager.instance.stopSession();
+          }
+        },
+      );
+    } catch (e) {
+      onError(e.toString());
+    }
+  }
+
+  /// Stop any active NFC session.
+  static Future<void> stopWrite() async {
+    await NfcManager.instance.stopSession();
+  }
+
+  /// Start reading NFC tags for Cashu tokens.
+  /// Tries IsoDep APDU first (phone-to-phone HCE, bypasses manufacturer
+  /// NFC services), falls back to NDEF (physical tags).
+  static Future<void> startRead({
+    required void Function(String token) onTokenRead,
+    required void Function(String error) onError,
+  }) async {
+    try {
+      await NfcManager.instance.startSession(
+        pollingOptions: {NfcPollingOption.iso14443},
+        onDiscovered: (NfcTag tag) async {
+          try {
+            final diagnostics = <String>[];
+
+            // 1. Try IsoDep first (HCE phone-to-phone)
+            final isoDep = IsoDepAndroid.from(tag);
+            if (isoDep != null) {
+              final (token, isoInfo) = await _readViaIsoDep(isoDep);
+              if (token != null) {
+                onTokenRead(token);
+                await NfcManager.instance.stopSession();
+                return;
+              }
+              diagnostics.add('IsoDep: $isoInfo');
+            } else {
+              diagnostics.add('IsoDep: not available');
+            }
+
+            // 2. Fallback: NDEF (physical tags)
+            final ndef = NdefAndroid.from(tag);
+            if (ndef != null) {
+              final message = ndef.cachedNdefMessage ?? await ndef.getNdefMessage();
+              if (message != null) {
+                final token = _extractToken(message);
+                if (token != null) {
+                  onTokenRead(token);
+                  await NfcManager.instance.stopSession();
+                  return;
+                }
+                diagnostics.add('NDEF: ${message.records.length} records, no Cashu token');
+              } else {
+                diagnostics.add('NDEF: no message');
+              }
+            } else {
+              diagnostics.add('NDEF: not available');
+            }
+
+            onError('No Cashu token found [${diagnostics.join('; ')}]');
+            await NfcManager.instance.stopSession();
+          } catch (e) {
+            onError(e.toString());
+            await NfcManager.instance.stopSession();
+          }
+        },
+      );
+    } catch (e) {
+      onError(e.toString());
+    }
+  }
+
+  /// Read NDEF from HCE via IsoDep APDU commands (like Numo).
+  /// Bypasses manufacturer NFC services (Xiaomi, Samsung, etc).
+  /// Returns (token, diagnosticInfo) tuple.
+  static Future<(String?, String)> _readViaIsoDep(IsoDepAndroid isoDep) async {
+    String _hex(Uint8List bytes) =>
+        bytes.map((b) => b.toRadixString(16).padLeft(2, '0')).join(' ');
+
+    try {
+    // Set longer timeout (5s) to avoid TagLostException
+    await isoDep.setTimeout(5000);
+
+    // Try ElCaju proprietary AID first (avoids Xiaomi/Samsung conflicts)
+    final selectElCaju = await isoDep.transceive(Uint8List.fromList([
+      0x00, 0xA4, 0x04, 0x00, 0x07,
+      0xF0, 0x45, 0x43, 0x41, 0x4A, 0x55, 0x00,
+      0x00,
+    ]));
+    final bool elCajuSelected = _isOk(selectElCaju);
+
+    // Fallback: standard NDEF Application AID
+    if (!elCajuSelected) {
+      final selectApp = await isoDep.transceive(Uint8List.fromList([
+        0x00, 0xA4, 0x04, 0x00, 0x07,
+        0xD2, 0x76, 0x00, 0x00, 0x85, 0x01, 0x01,
+        0x00,
+      ]));
+      if (!_isOk(selectApp)) {
+        return (null, 'SELECT APP failed (both AIDs): elcaju=${_hex(selectElCaju)}, ndef=${_hex(selectApp)}');
+      }
+    }
+
+    // SELECT NDEF file (E104)
+    final selectNdef = await isoDep.transceive(Uint8List.fromList([
+      0x00, 0xA4, 0x00, 0x0C, 0x02,
+      0xE1, 0x04,
+    ]));
+    if (!_isOk(selectNdef)) {
+      return (null, 'SELECT NDEF failed: ${_hex(selectNdef)}');
+    }
+
+    // READ NLEN (first 2 bytes)
+    final nlenResponse = await isoDep.transceive(Uint8List.fromList([
+      0x00, 0xB0, 0x00, 0x00, 0x02,
+    ]));
+    if (nlenResponse.length < 4 || !_isOk(nlenResponse)) {
+      return (null, 'READ NLEN failed: ${_hex(nlenResponse)}');
+    }
+
+    final ndefLen = (nlenResponse[0] << 8) | nlenResponse[1];
+    if (ndefLen == 0) {
+      return (null, 'NLEN=0 (no payload set on emitter)');
+    }
+
+    // READ NDEF message in chunks (max 255 bytes per read)
+    final ndefBytes = BytesBuilder();
+    var offset = 2; // skip NLEN
+    var remaining = ndefLen;
+
+    while (remaining > 0) {
+      final chunkSize = remaining > 255 ? 255 : remaining;
+      final readCmd = Uint8List.fromList([
+        0x00, 0xB0,
+        (offset >> 8) & 0xFF,
+        offset & 0xFF,
+        chunkSize,
+      ]);
+      final chunk = await isoDep.transceive(readCmd);
+      if (chunk.length < 2 || !_isOk(chunk)) {
+        return (null, 'READ chunk at offset=$offset failed: ${_hex(chunk)}');
+      }
+
+      // Response = data + SW1 SW2 (last 2 bytes are status)
+      final bytesRead = chunk.length - 2;
+      if (bytesRead == 0) {
+        return (null, 'READ chunk at offset=$offset returned no data');
+      }
+      ndefBytes.add(chunk.sublist(0, bytesRead));
+      offset += bytesRead;
+      remaining -= bytesRead;
+    }
+
+    // Parse NDEF message from raw bytes
+    final raw = ndefBytes.toBytes();
+    if (raw.isEmpty) {
+      return (null, 'read ${ndefLen}B but empty after parsing');
+    }
+
+    final token = _parseNdefAndExtractToken(Uint8List.fromList(raw));
+    if (token != null) {
+      return (token, 'OK');
+    }
+    return (null, 'NDEF parsed (${raw.length}B) but no Cashu token, hex: ${_hex(Uint8List.fromList(raw.length > 40 ? raw.sublist(0, 40) : raw))}...');
+
+    } catch (e) {
+      final msg = e.toString();
+      if (msg.contains('TagLostException')) {
+        return (null, 'connection lost (hold phones together longer)');
+      }
+      return (null, 'error: $msg');
+    }
+  }
+
+  /// Check if APDU response ends with 90 00 (OK).
+  static bool _isOk(Uint8List response) {
+    if (response.length < 2) return false;
+    return response[response.length - 2] == 0x90 &&
+           response[response.length - 1] == 0x00;
+  }
+
+  /// Parse raw NDEF bytes and extract Cashu token.
+  static String? _parseNdefAndExtractToken(Uint8List raw) {
+    if (raw.isEmpty) return null;
+
+    var pos = 0;
+    while (pos < raw.length) {
+      if (pos + 3 > raw.length) break;
+
+      final flags = raw[pos];
+      final tnf = flags & 0x07;
+      final isShortRecord = (flags & 0x10) != 0;
+      final hasIdLength = (flags & 0x08) != 0;
+
+      pos++;
+      final typeLength = raw[pos]; pos++;
+
+      int payloadLength;
+      if (isShortRecord) {
+        payloadLength = raw[pos]; pos++;
+      } else {
+        if (pos + 4 > raw.length) break;
+        payloadLength = (raw[pos] << 24) | (raw[pos+1] << 16) |
+                        (raw[pos+2] << 8) | raw[pos+3];
+        pos += 4;
+      }
+
+      int idLength = 0;
+      if (hasIdLength) {
+        idLength = raw[pos]; pos++;
+      }
+
+      // Type
+      if (pos + typeLength > raw.length) break;
+      final type = raw.sublist(pos, pos + typeLength); pos += typeLength;
+
+      // ID (skip)
+      pos += idLength;
+
+      // Payload
+      if (pos + payloadLength > raw.length) break;
+      final payload = raw.sublist(pos, pos + payloadLength);
+      pos += payloadLength;
+
+      // Check: Text Record (TNF=0x01, type='T')
+      if (tnf == 0x01 && typeLength == 1 && type[0] == 0x54) {
+        if (payload.isNotEmpty) {
+          final langLen = payload[0] & 0x3F;
+          if (payload.length > 1 + langLen) {
+            final text = String.fromCharCodes(payload.sublist(1 + langLen));
+            if (_isCashuToken(text)) return text;
+          }
+        }
+      }
+
+      // Check: URI Record (TNF=0x01, type='U')
+      if (tnf == 0x01 && typeLength == 1 && type[0] == 0x55) {
+        if (payload.isNotEmpty) {
+          const prefixes = ['', 'http://www.', 'https://www.', 'http://', 'https://'];
+          final prefixIdx = payload[0];
+          final prefix = prefixIdx < prefixes.length ? prefixes[prefixIdx] : '';
+          final rest = String.fromCharCodes(payload.sublist(1));
+          final uri = '$prefix$rest';
+          final token = _extractTokenFromUri(uri);
+          if (token != null) return token;
+        }
+      }
+
+      // If ME (Message End) flag set, stop
+      if ((flags & 0x40) != 0) break;
+    }
+
+    return null;
+  }
+
+  /// Stop any active NFC read session.
+  static Future<void> stopRead() async {
+    await NfcManager.instance.stopSession();
+  }
+
+  /// Extract a Cashu token from an NDEF message.
+  static String? _extractToken(NdefMessage message) {
+    for (final record in message.records) {
+      // Text Record
+      if (record.typeNameFormat == TypeNameFormat.wellKnown &&
+          record.type.length == 1 &&
+          record.type[0] == 0x54) {
+        final text = _decodeTextRecord(record);
+        if (text != null && _isCashuToken(text)) {
+          return text;
+        }
+      }
+
+      // URI Record
+      if (record.typeNameFormat == TypeNameFormat.wellKnown &&
+          record.type.length == 1 &&
+          record.type[0] == 0x55) {
+        final uri = _decodeUriRecord(record);
+        if (uri != null) {
+          final token = _extractTokenFromUri(uri);
+          if (token != null) return token;
+        }
+      }
+    }
+    return null;
+  }
+
+  /// Decode NDEF Text Record payload.
+  static String? _decodeTextRecord(NdefRecord record) {
+    if (record.payload.isEmpty) return null;
+    final languageCodeLength = record.payload[0] & 0x3F;
+    if (record.payload.length <= 1 + languageCodeLength) return null;
+    return String.fromCharCodes(
+        record.payload.sublist(1 + languageCodeLength));
+  }
+
+  /// Decode NDEF URI Record payload.
+  static String? _decodeUriRecord(NdefRecord record) {
+    if (record.payload.isEmpty) return null;
+    const prefixes = [
+      '', // 0x00
+      'http://www.', // 0x01
+      'https://www.', // 0x02
+      'http://', // 0x03
+      'https://', // 0x04
+    ];
+    final prefixIndex = record.payload[0];
+    final prefix = prefixIndex < prefixes.length ? prefixes[prefixIndex] : '';
+    final rest = String.fromCharCodes(record.payload.sublist(1));
+    return '$prefix$rest';
+  }
+
+  /// Extract token from a URL like https://wallet.com/#token=cashuA...
+  static String? _extractTokenFromUri(String uri) {
+    try {
+      final parsed = Uri.parse(uri);
+      final fragmentParams = Uri.splitQueryString(parsed.fragment);
+      final fragmentToken = fragmentParams['token'];
+      if (fragmentToken != null && _isCashuToken(fragmentToken)) {
+        return fragmentToken;
+      }
+      final tokenParam = parsed.queryParameters['token'];
+      if (tokenParam != null && _isCashuToken(tokenParam)) {
+        return tokenParam;
+      }
+    } catch (_) {}
+    return null;
+  }
+
+  /// Check if a string looks like a Cashu token.
+  static bool _isCashuToken(String text) {
+    final lower = text.toLowerCase().trim();
+    return lower.startsWith('cashua') ||
+        lower.startsWith('cashub') ||
+        lower.startsWith('creqa');
+  }
+}

lib/core/utils/incoming_data_parser.dart

@@ -1,5 +1,7 @@
 // Parser para detectar el tipo de dato entrante (QR, clipboard, etc.)
-// Soporta: tokens Cashu (A/B), invoices Lightning, URLs de mint, payment requests
+// Soporta: tokens Cashu (A/B), invoices Lightning, URLs de mint, payment requests, peanut emoji
+
+import 'peanut_codec.dart';
 
 /// Modo de escaneo
 enum ScanMode {
@@ -57,6 +59,15 @@ class IncomingDataParser {
   /// Detecta el tipo de dato y extrae información relevante
   static ParsedData parse(String data) {
     final trimmed = data.trim();
+
+    // Peanut-encoded token (🥜 + variation selectors)
+    if (PeanutCodec.isPeanut(trimmed)) {
+      final decoded = PeanutCodec.decode(trimmed);
+      if (decoded != null) {
+        return parse(decoded);
+      }
+    }
+
     final lower = trimmed.toLowerCase();
 
     // Token Cashu (cashuA... o cashuB...)

lib/core/utils/peanut_codec.dart

@@ -0,0 +1,62 @@
+/// Peanut encoding/decoding for Cashu tokens.
+///
+/// Encodes Cashu tokens into invisible Unicode Variation Selectors
+/// appended to a 🥜 emoji, compatible with cashu.me's implementation.
+///
+/// Each character of the base64 token is mapped to a Variation Selector:
+/// - charCode 0-15  → VS1-VS16 (U+FE00 to U+FE0F)
+/// - charCode 16-255 → VS17-VS256 (U+E0100 to U+E01EF)
+class PeanutCodec {
+  static const String _peanutEmoji = '🥜';
+
+  /// Encodes a Cashu token string into peanut format (🥜 + variation selectors).
+  static String encode(String token) {
+    final buffer = StringBuffer(_peanutEmoji);
+
+    for (int i = 0; i < token.length; i++) {
+      final byte = token.codeUnitAt(i);
+
+      if (byte < 16) {
+        // VS1-VS16: U+FE00 to U+FE0F
+        buffer.writeCharCode(0xFE00 + byte);
+      } else if (byte < 256) {
+        // VS17-VS256: U+E0100 to U+E01EF
+        buffer.writeCharCode(0xE0100 + (byte - 16));
+      }
+    }
+
+    return buffer.toString();
+  }
+
+  /// Decodes a peanut-encoded string back to the original Cashu token.
+  /// Returns null if the input is not valid peanut format.
+  static String? decode(String peanut) {
+    final trimmed = peanut.trimLeft();
+    if (!trimmed.startsWith(_peanutEmoji)) return null;
+
+    final buffer = StringBuffer();
+    final runes = trimmed.runes.toList();
+
+    // Skip the first rune (🥜 emoji)
+    for (int i = 1; i < runes.length; i++) {
+      final codePoint = runes[i];
+
+      if (codePoint >= 0xFE00 && codePoint <= 0xFE0F) {
+        // VS1-VS16 → byte 0-15
+        buffer.writeCharCode(codePoint - 0xFE00);
+      } else if (codePoint >= 0xE0100 && codePoint <= 0xE01EF) {
+        // VS17-VS256 → byte 16-255
+        buffer.writeCharCode(codePoint - 0xE0100 + 16);
+      }
+      // Skip any other characters (whitespace, etc.)
+    }
+
+    final result = buffer.toString();
+    return result.isNotEmpty ? result : null;
+  }
+
+  /// Returns true if the string starts with the 🥜 emoji.
+  static bool isPeanut(String data) {
+    return data.trimLeft().startsWith(_peanutEmoji);
+  }
+}

lib/l10n/app_de.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "Bewahre diesen Token auf, bis der Empfänger ihn einlöst. Wenn du ihn verlierst, verlierst du die Mittel.",
   "tokenCopiedToClipboard": "Token in Zwischenablage kopiert",
+  "copyAsEmoji": "Als Emoji kopieren",
+  "emojiCopiedToClipboard": "Token als Emoji kopiert 🥜",
+  "peanutDecodeError": "Emoji-Token konnte nicht dekodiert werden. Möglicherweise beschädigt.",
+
+  "nfcWrite": "Auf NFC-Tag schreiben",
+  "nfcRead": "NFC-Tag lesen",
+  "nfcHoldNear": "Gerät an NFC-Tag halten...",
+  "nfcWriteSuccess": "Token auf NFC-Tag geschrieben",
+  "nfcWriteError": "NFC-Schreibfehler: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC-Lesefehler: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC ist deaktiviert. Aktiviere es in den Einstellungen.",
+  "nfcUnsupported": "Dieses Gerät unterstützt kein NFC",
 
   "amountToDeposit": "Einzuzahlender Betrag:",
   "descriptionOptional": "Beschreibung (optional):",
@@ -296,7 +310,7 @@
     }
   },
   "close": "Schließen",
-  "aboutDescription": "Eine Cashu Wallet mit kubanischer DNA für die ganze Welt. Bruder von La Chispa.",
+  "aboutDescription": "Eine Cashu Wallet mit kubanischer DNA für die ganze Welt. Bruder von LaChispa.",
   "couldNotOpenLink": "Link konnte nicht geöffnet werden",
 
   "deleteWalletQuestion": "Wallet löschen?",

lib/l10n/app_en.arb

@@ -112,6 +112,28 @@
   "tokenCashuAnimatedQr": "Cashu Token (animated QR - {fragments} UR fragments)",
   "keepTokenWarning": "Keep this token until the recipient claims it. If you lose it, you will lose the funds.",
   "tokenCopiedToClipboard": "Token copied to clipboard",
+  "copyAsEmoji": "Copy as emoji",
+  "emojiCopiedToClipboard": "Token copied as emoji 🥜",
+  "peanutDecodeError": "Could not decode emoji token. It may be corrupted.",
+
+  "nfcWrite": "Write to NFC tag",
+  "nfcRead": "Read NFC tag",
+  "nfcHoldNear": "Hold device near NFC tag...",
+  "nfcWriteSuccess": "Token written to NFC tag",
+  "nfcWriteError": "NFC write error: {error}",
+  "@nfcWriteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcReadError": "NFC read error: {error}",
+  "@nfcReadError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcDisabled": "NFC is disabled. Enable it in Settings.",
+  "nfcUnsupported": "This device does not support NFC",
 
   "amountToDeposit": "Amount to deposit:",
   "descriptionOptional": "Description (optional):",
@@ -234,7 +256,7 @@
   "selectLanguage": "Select language",
   "languageChanged": "Language changed to {language}",
   "close": "Close",
-  "aboutDescription": "A Cashu wallet with Cuban DNA for the entire world. Brother of La Chispa.",
+  "aboutDescription": "A Cashu wallet with Cuban DNA for the entire world. Brother of LaChispa.",
   "couldNotOpenLink": "Could not open link",
 
   "deleteWalletQuestion": "Delete wallet?",

lib/l10n/app_es.arb

@@ -137,6 +137,28 @@
   },
   "keepTokenWarning": "Guarda este token hasta que el receptor lo reclame. Si lo pierdes, perderás los fondos.",
   "tokenCopiedToClipboard": "Token copiado al portapapeles",
+  "copyAsEmoji": "Copiar como emoji",
+  "emojiCopiedToClipboard": "Token copiado como emoji 🥜",
+  "peanutDecodeError": "No se pudo decodificar el token emoji. Puede estar corrupto.",
+
+  "nfcWrite": "Escribir en tag NFC",
+  "nfcRead": "Leer tag NFC",
+  "nfcHoldNear": "Acerca el dispositivo al tag NFC...",
+  "nfcWriteSuccess": "Token escrito en tag NFC",
+  "nfcWriteError": "Error NFC al escribir: {error}",
+  "@nfcWriteError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcReadError": "Error NFC al leer: {error}",
+  "@nfcReadError": {
+    "placeholders": {
+      "error": { "type": "String" }
+    }
+  },
+  "nfcDisabled": "NFC está desactivado. Actívalo en Ajustes.",
+  "nfcUnsupported": "Este dispositivo no soporta NFC",
 
   "amountToDeposit": "Monto a depositar:",
   "descriptionOptional": "Descripción (opcional):",
@@ -296,7 +318,7 @@
     }
   },
   "close": "Cerrar",
-  "aboutDescription": "Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de La Chispa.",
+  "aboutDescription": "Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de LaChispa.",
   "couldNotOpenLink": "No se pudo abrir el enlace",
 
   "deleteWalletQuestion": "¿Borrar wallet?",

lib/l10n/app_fr.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "Conservez ce token jusqu'à ce que le destinataire le réclame. Si vous le perdez, vous perdrez les fonds.",
   "tokenCopiedToClipboard": "Token copié dans le presse-papiers",
+  "copyAsEmoji": "Copier en emoji",
+  "emojiCopiedToClipboard": "Token copié en emoji 🥜",
+  "peanutDecodeError": "Impossible de décoder le token emoji. Il est peut-être corrompu.",
+
+  "nfcWrite": "Écrire sur tag NFC",
+  "nfcRead": "Lire tag NFC",
+  "nfcHoldNear": "Approchez l'appareil du tag NFC...",
+  "nfcWriteSuccess": "Token écrit sur le tag NFC",
+  "nfcWriteError": "Erreur NFC écriture : {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Erreur NFC lecture : {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC est désactivé. Activez-le dans les Paramètres.",
+  "nfcUnsupported": "Cet appareil ne prend pas en charge le NFC",
 
   "amountToDeposit": "Montant à déposer :",
   "descriptionOptional": "Description (optionnelle) :",
@@ -296,7 +310,7 @@
     }
   },
   "close": "Fermer",
-  "aboutDescription": "Un portefeuille Cashu avec ADN cubain pour le monde entier. Frère de La Chispa.",
+  "aboutDescription": "Un portefeuille Cashu avec ADN cubain pour le monde entier. Frère de LaChispa.",
   "couldNotOpenLink": "Impossible d'ouvrir le lien",
 
   "deleteWalletQuestion": "Supprimer le portefeuille ?",

lib/l10n/app_it.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "Conserva questo token finché il destinatario non lo riscatta. Se lo perdi, perderai i fondi.",
   "tokenCopiedToClipboard": "Token copiato negli appunti",
+  "copyAsEmoji": "Copia come emoji",
+  "emojiCopiedToClipboard": "Token copiato come emoji 🥜",
+  "peanutDecodeError": "Impossibile decodificare il token emoji. Potrebbe essere corrotto.",
+
+  "nfcWrite": "Scrivi su tag NFC",
+  "nfcRead": "Leggi tag NFC",
+  "nfcHoldNear": "Avvicina il dispositivo al tag NFC...",
+  "nfcWriteSuccess": "Token scritto sul tag NFC",
+  "nfcWriteError": "Errore NFC scrittura: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Errore NFC lettura: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC è disattivato. Attivalo nelle Impostazioni.",
+  "nfcUnsupported": "Questo dispositivo non supporta NFC",
 
   "amountToDeposit": "Importo da depositare:",
   "descriptionOptional": "Descrizione (opzionale):",
@@ -296,7 +310,7 @@
     }
   },
   "close": "Chiudi",
-  "aboutDescription": "Un portafoglio Cashu con DNA cubano per il mondo intero. Fratello di La Chispa.",
+  "aboutDescription": "Un portafoglio Cashu con DNA cubano per il mondo intero. Fratello di LaChispa.",
   "couldNotOpenLink": "Impossibile aprire il link",
 
   "deleteWalletQuestion": "Eliminare portafoglio?",

lib/l10n/app_ja.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "受取人が請求するまでこのトークンを保管してください。紛失すると資金を失います。",
   "tokenCopiedToClipboard": "トークンをクリップボードにコピーしました",
+  "copyAsEmoji": "絵文字としてコピー",
+  "emojiCopiedToClipboard": "トークンを絵文字としてコピーしました 🥜",
+  "peanutDecodeError": "絵文字トークンをデコードできませんでした。破損している可能性があります。",
+
+  "nfcWrite": "NFCタグに書き込む",
+  "nfcRead": "NFCタグを読み取る",
+  "nfcHoldNear": "デバイスをNFCタグに近づけてください...",
+  "nfcWriteSuccess": "トークンをNFCタグに書き込みました",
+  "nfcWriteError": "NFC書き込みエラー: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC読み取りエラー: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFCが無効です。設定で有効にしてください。",
+  "nfcUnsupported": "このデバイスはNFCに対応していません",
 
   "amountToDeposit": "入金額：",
   "descriptionOptional": "説明（任意）：",
@@ -296,7 +310,7 @@
     }
   },
   "close": "閉じる",
-  "aboutDescription": "キューバのDNAを持つ世界のためのCashuウォレット。La Chispaの兄弟。",
+  "aboutDescription": "キューバのDNAを持つ世界のためのCashuウォレット。LaChispaの兄弟。",
   "couldNotOpenLink": "リンクを開けませんでした",
 
   "deleteWalletQuestion": "ウォレットを削除しますか？",

lib/l10n/app_ko.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "수신자가 청구할 때까지 이 토큰을 보관하세요. 분실하면 자금을 잃게 됩니다.",
   "tokenCopiedToClipboard": "토큰이 클립보드에 복사되었습니다",
+  "copyAsEmoji": "이모지로 복사",
+  "emojiCopiedToClipboard": "토큰이 이모지로 복사되었습니다 🥜",
+  "peanutDecodeError": "이모지 토큰을 디코딩할 수 없습니다. 손상되었을 수 있습니다.",
+
+  "nfcWrite": "NFC 태그에 쓰기",
+  "nfcRead": "NFC 태그 읽기",
+  "nfcHoldNear": "기기를 NFC 태그에 가까이 대세요...",
+  "nfcWriteSuccess": "토큰이 NFC 태그에 기록되었습니다",
+  "nfcWriteError": "NFC 쓰기 오류: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC 읽기 오류: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC가 비활성화되어 있습니다. 설정에서 활성화하세요.",
+  "nfcUnsupported": "이 기기는 NFC를 지원하지 않습니다",
 
   "amountToDeposit": "입금할 금액:",
   "descriptionOptional": "설명 (선택사항):",
@@ -296,7 +310,7 @@
     }
   },
   "close": "닫기",
-  "aboutDescription": "전 세계를 위한 쿠바 DNA를 가진 Cashu 지갑. La Chispa의 형제.",
+  "aboutDescription": "전 세계를 위한 쿠바 DNA를 가진 Cashu 지갑. LaChispa의 형제.",
   "couldNotOpenLink": "링크를 열 수 없음",
 
   "deleteWalletQuestion": "지갑을 삭제하시겠습니까?",

lib/l10n/app_localizations.dart

@@ -71,7 +71,8 @@ import 'app_localizations_zh.dart';
 /// be consistent with the languages listed in the L10n.supportedLocales
 /// property.
 abstract class L10n {
-  L10n(String locale) : localeName = intl.Intl.canonicalizedLocale(locale.toString());
+  L10n(String locale)
+    : localeName = intl.Intl.canonicalizedLocale(locale.toString());
 
   final String localeName;
 
@@ -91,12 +92,13 @@ abstract class L10n {
   /// Additional delegates can be added by appending to this list in
   /// MaterialApp. This list does not have to be used at all if a custom list
   /// of delegates is preferred or required.
-  static const List<LocalizationsDelegate<dynamic>> localizationsDelegates = <LocalizationsDelegate<dynamic>>[
-    delegate,
-    GlobalMaterialLocalizations.delegate,
-    GlobalCupertinoLocalizations.delegate,
-    GlobalWidgetsLocalizations.delegate,
-  ];
+  static const List<LocalizationsDelegate<dynamic>> localizationsDelegates =
+      <LocalizationsDelegate<dynamic>>[
+        delegate,
+        GlobalMaterialLocalizations.delegate,
+        GlobalCupertinoLocalizations.delegate,
+        GlobalWidgetsLocalizations.delegate,
+      ];
 
   /// A list of this localizations delegate's supported locales.
   static const List<Locale> supportedLocales = <Locale>[
@@ -110,7 +112,7 @@ abstract class L10n {
     Locale('pt'),
     Locale('ru'),
     Locale('sw'),
-    Locale('zh')
+    Locale('zh'),
   ];
 
   /// No description provided for @appName.
@@ -707,6 +709,72 @@ abstract class L10n {
   /// **'Token copiado al portapapeles'**
   String get tokenCopiedToClipboard;
 
+  /// No description provided for @copyAsEmoji.
+  ///
+  /// In es, this message translates to:
+  /// **'Copiar como emoji'**
+  String get copyAsEmoji;
+
+  /// No description provided for @emojiCopiedToClipboard.
+  ///
+  /// In es, this message translates to:
+  /// **'Token copiado como emoji 🥜'**
+  String get emojiCopiedToClipboard;
+
+  /// No description provided for @peanutDecodeError.
+  ///
+  /// In es, this message translates to:
+  /// **'No se pudo decodificar el token emoji. Puede estar corrupto.'**
+  String get peanutDecodeError;
+
+  /// No description provided for @nfcWrite.
+  ///
+  /// In es, this message translates to:
+  /// **'Escribir en tag NFC'**
+  String get nfcWrite;
+
+  /// No description provided for @nfcRead.
+  ///
+  /// In es, this message translates to:
+  /// **'Leer tag NFC'**
+  String get nfcRead;
+
+  /// No description provided for @nfcHoldNear.
+  ///
+  /// In es, this message translates to:
+  /// **'Acerca el dispositivo al tag NFC...'**
+  String get nfcHoldNear;
+
+  /// No description provided for @nfcWriteSuccess.
+  ///
+  /// In es, this message translates to:
+  /// **'Token escrito en tag NFC'**
+  String get nfcWriteSuccess;
+
+  /// No description provided for @nfcWriteError.
+  ///
+  /// In es, this message translates to:
+  /// **'Error NFC al escribir: {error}'**
+  String nfcWriteError(String error);
+
+  /// No description provided for @nfcReadError.
+  ///
+  /// In es, this message translates to:
+  /// **'Error NFC al leer: {error}'**
+  String nfcReadError(String error);
+
+  /// No description provided for @nfcDisabled.
+  ///
+  /// In es, this message translates to:
+  /// **'NFC está desactivado. Actívalo en Ajustes.'**
+  String get nfcDisabled;
+
+  /// No description provided for @nfcUnsupported.
+  ///
+  /// In es, this message translates to:
+  /// **'Este dispositivo no soporta NFC'**
+  String get nfcUnsupported;
+
   /// No description provided for @amountToDeposit.
   ///
   /// In es, this message translates to:
@@ -1376,7 +1444,7 @@ abstract class L10n {
   /// No description provided for @aboutDescription.
   ///
   /// In es, this message translates to:
-  /// **'Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de La Chispa.'**
+  /// **'Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de LaChispa.'**
   String get aboutDescription;
 
   /// No description provided for @couldNotOpenLink.
@@ -2157,34 +2225,55 @@ class _L10nDelegate extends LocalizationsDelegate<L10n> {
   }
 
   @override
-  bool isSupported(Locale locale) => <String>['de', 'en', 'es', 'fr', 'it', 'ja', 'ko', 'pt', 'ru', 'sw', 'zh'].contains(locale.languageCode);
+  bool isSupported(Locale locale) => <String>[
+    'de',
+    'en',
+    'es',
+    'fr',
+    'it',
+    'ja',
+    'ko',
+    'pt',
+    'ru',
+    'sw',
+    'zh',
+  ].contains(locale.languageCode);
 
   @override
   bool shouldReload(_L10nDelegate old) => false;
 }
 
 L10n lookupL10n(Locale locale) {
-
-
   // Lookup logic when only language code is specified.
   switch (locale.languageCode) {
-    case 'de': return L10nDe();
-    case 'en': return L10nEn();
-    case 'es': return L10nEs();
-    case 'fr': return L10nFr();
-    case 'it': return L10nIt();
-    case 'ja': return L10nJa();
-    case 'ko': return L10nKo();
-    case 'pt': return L10nPt();
-    case 'ru': return L10nRu();
-    case 'sw': return L10nSw();
-    case 'zh': return L10nZh();
+    case 'de':
+      return L10nDe();
+    case 'en':
+      return L10nEn();
+    case 'es':
+      return L10nEs();
+    case 'fr':
+      return L10nFr();
+    case 'it':
+      return L10nIt();
+    case 'ja':
+      return L10nJa();
+    case 'ko':
+      return L10nKo();
+    case 'pt':
+      return L10nPt();
+    case 'ru':
+      return L10nRu();
+    case 'sw':
+      return L10nSw();
+    case 'zh':
+      return L10nZh();
   }
 
   throw FlutterError(
     'L10n.delegate failed to load unsupported locale "$locale". This is likely '
     'an issue with the localizations generation tool. Please file an issue '
     'on GitHub with a reproducible sample app and the gen-l10n configuration '
-    'that was used.'
+    'that was used.',
   );
 }

lib/l10n/app_localizations_de.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nDe extends L10n {
   String get generatingSeed => 'Sichere Generierung deiner Seed-Phrase';
 
   @override
-  String get createWalletDescription => 'Eine 12-Wort Seed-Phrase wird generiert.\nBewahre sie an einem sicheren Ort auf.';
+  String get createWalletDescription =>
+      'Eine 12-Wort Seed-Phrase wird generiert.\nBewahre sie an einem sicheren Ort auf.';
 
   @override
   String get generateWallet => 'Wallet generieren';
@@ -69,10 +70,12 @@ class L10nDe extends L10n {
   String get walletCreated => 'Wallet erstellt!';
 
   @override
-  String get walletCreatedDescription => 'Deine Wallet ist bereit. Wir empfehlen, jetzt ein Backup deiner Seed-Phrase zu erstellen.';
+  String get walletCreatedDescription =>
+      'Deine Wallet ist bereit. Wir empfehlen, jetzt ein Backup deiner Seed-Phrase zu erstellen.';
 
   @override
-  String get backupWarning => 'Ohne Backup verlierst du den Zugang zu deinen Mitteln, wenn du das Gerät verlierst.';
+  String get backupWarning =>
+      'Ohne Backup verlierst du den Zugang zu deinen Mitteln, wenn du das Gerät verlierst.';
 
   @override
   String get backupNow => 'Jetzt sichern';
@@ -87,13 +90,15 @@ class L10nDe extends L10n {
   String get seedPhraseTitle => 'Deine Seed-Phrase';
 
   @override
-  String get seedPhraseDescription => 'Speichere diese 12 Wörter in der richtigen Reihenfolge. Sie sind der einzige Weg, deine Wallet wiederherzustellen.';
+  String get seedPhraseDescription =>
+      'Speichere diese 12 Wörter in der richtigen Reihenfolge. Sie sind der einzige Weg, deine Wallet wiederherzustellen.';
 
   @override
   String get revealSeedPhrase => 'Seed-Phrase anzeigen';
 
   @override
-  String get tapToReveal => 'Tippe auf den Button, um\ndeine Seed-Phrase anzuzeigen';
+  String get tapToReveal =>
+      'Tippe auf den Button, um\ndeine Seed-Phrase anzuzeigen';
 
   @override
   String get copyToClipboard => 'In Zwischenablage kopieren';
@@ -105,7 +110,8 @@ class L10nDe extends L10n {
   String get neverShareSeed => 'Teile deine Seed-Phrase niemals mit anderen.';
 
   @override
-  String get confirmBackup => 'Ich habe meine Seed-Phrase an einem sicheren Ort gespeichert';
+  String get confirmBackup =>
+      'Ich habe meine Seed-Phrase an einem sicheren Ort gespeichert';
 
   @override
   String get continue_ => 'Weiter';
@@ -117,7 +123,8 @@ class L10nDe extends L10n {
   String get enterSeedPhrase => 'Gib deine Seed-Phrase ein';
 
   @override
-  String get enterSeedDescription => 'Gib die 12 oder 24 Wörter durch Leerzeichen getrennt ein.';
+  String get enterSeedDescription =>
+      'Gib die 12 oder 24 Wörter durch Leerzeichen getrennt ein.';
 
   @override
   String get seedPlaceholder => 'wort1 wort2 wort3 ...';
@@ -131,7 +138,8 @@ class L10nDe extends L10n {
   String get needWords => '(du brauchst 12 oder 24)';
 
   @override
-  String get restoreScanningMint => 'Mint wird nach vorhandenen Token durchsucht...';
+  String get restoreScanningMint =>
+      'Mint wird nach vorhandenen Token durchsucht...';
 
   @override
   String restoreError(String error) {
@@ -310,11 +318,51 @@ class L10nDe extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Bewahre diesen Token auf, bis der Empfänger ihn einlöst. Wenn du ihn verlierst, verlierst du die Mittel.';
+  String get keepTokenWarning =>
+      'Bewahre diesen Token auf, bis der Empfänger ihn einlöst. Wenn du ihn verlierst, verlierst du die Mittel.';
 
   @override
   String get tokenCopiedToClipboard => 'Token in Zwischenablage kopiert';
 
+  @override
+  String get copyAsEmoji => 'Als Emoji kopieren';
+
+  @override
+  String get emojiCopiedToClipboard => 'Token als Emoji kopiert 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Emoji-Token konnte nicht dekodiert werden. Möglicherweise beschädigt.';
+
+  @override
+  String get nfcWrite => 'Auf NFC-Tag schreiben';
+
+  @override
+  String get nfcRead => 'NFC-Tag lesen';
+
+  @override
+  String get nfcHoldNear => 'Gerät an NFC-Tag halten...';
+
+  @override
+  String get nfcWriteSuccess => 'Token auf NFC-Tag geschrieben';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'NFC-Schreibfehler: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'NFC-Lesefehler: $error';
+  }
+
+  @override
+  String get nfcDisabled =>
+      'NFC ist deaktiviert. Aktiviere es in den Einstellungen.';
+
+  @override
+  String get nfcUnsupported => 'Dieses Gerät unterstützt kein NFC';
+
   @override
   String get amountToDeposit => 'Einzuzahlender Betrag:';
 
@@ -450,7 +498,8 @@ class L10nDe extends L10n {
   String get noPendingTransactions => 'Keine ausstehenden Transaktionen';
 
   @override
-  String get allTransactionsCompleted => 'Alle deine Transaktionen sind abgeschlossen';
+  String get allTransactionsCompleted =>
+      'Alle deine Transaktionen sind abgeschlossen';
 
   @override
   String get noEcashTransactions => 'Keine Ecash Transaktionen';
@@ -462,7 +511,8 @@ class L10nDe extends L10n {
   String get noLightningTransactions => 'Keine Lightning Transaktionen';
 
   @override
-  String get depositOrWithdrawLightning => 'Zahle ein oder hebe ab via Lightning';
+  String get depositOrWithdrawLightning =>
+      'Zahle ein oder hebe ab via Lightning';
 
   @override
   String get pendingStatus => 'Ausstehend';
@@ -665,7 +715,8 @@ class L10nDe extends L10n {
   String get close => 'Schließen';
 
   @override
-  String get aboutDescription => 'Eine Cashu Wallet mit kubanischer DNA für die ganze Welt. Bruder von La Chispa.';
+  String get aboutDescription =>
+      'Eine Cashu Wallet mit kubanischer DNA für die ganze Welt. Bruder von LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Link konnte nicht geöffnet werden';
@@ -677,7 +728,8 @@ class L10nDe extends L10n {
   String get actionIrreversible => 'Diese Aktion ist unwiderruflich';
 
   @override
-  String get deleteWalletWarning => 'Alle Daten werden gelöscht, einschließlich deiner Seed-Phrase und Tokens. Stelle sicher, dass du ein Backup hast.';
+  String get deleteWalletWarning =>
+      'Alle Daten werden gelöscht, einschließlich deiner Seed-Phrase und Tokens. Stelle sicher, dass du ein Backup hast.';
 
   @override
   String get typeDeleteToConfirm => 'Gib \"LÖSCHEN\" zur Bestätigung ein:';
@@ -694,19 +746,22 @@ class L10nDe extends L10n {
   String get recoverTokensTitle => 'Tokens wiederherstellen';
 
   @override
-  String get recoverTokensDescription => 'Mints scannen, um Tokens wiederherzustellen, die mit deiner Seed-Phrase verknüpft sind (NUT-13)';
+  String get recoverTokensDescription =>
+      'Mints scannen, um Tokens wiederherzustellen, die mit deiner Seed-Phrase verknüpft sind (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Meine aktuelle Seed-Phrase verwenden';
 
   @override
-  String get scanWithSavedWords => 'Mints mit den gespeicherten 12 Wörtern scannen';
+  String get scanWithSavedWords =>
+      'Mints mit den gespeicherten 12 Wörtern scannen';
 
   @override
   String get useOtherSeedPhrase => 'Andere Seed-Phrase verwenden';
 
   @override
-  String get recoverFromOtherWords => 'Tokens von anderen 12 Wörtern wiederherstellen';
+  String get recoverFromOtherWords =>
+      'Tokens von anderen 12 Wörtern wiederherstellen';
 
   @override
   String get mintsToScan => 'Zu scannende Mints:';
@@ -720,7 +775,8 @@ class L10nDe extends L10n {
   String get specificMint => 'Ein bestimmter Mint';
 
   @override
-  String get enterMnemonicWords => 'Gib die 12 Wörter durch Leerzeichen getrennt ein...';
+  String get enterMnemonicWords =>
+      'Gib die 12 Wörter durch Leerzeichen getrennt ein...';
 
   @override
   String get scanMints => 'Mints scannen';
@@ -740,7 +796,8 @@ class L10nDe extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Scan abgeschlossen. Keine neuen Tokens gefunden.';
+  String get scanCompleteNoTokens =>
+      'Scan abgeschlossen. Keine neuen Tokens gefunden.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +820,8 @@ class L10nDe extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'Keine Tokens mit diesem Mnemonic verknüpft gefunden.';
+  String get noTokensForMnemonic =>
+      'Keine Tokens mit diesem Mnemonic verknüpft gefunden.';
 
   @override
   String get noConnectedMints => 'Keine verbundenen Mints';
@@ -843,7 +901,8 @@ class L10nDe extends L10n {
   String get deleteMintConfirmTitle => 'Mint löschen';
 
   @override
-  String get deleteMintConfirmMessage => 'Wenn du Guthaben auf diesem Mint hast, geht es verloren. Bist du sicher?';
+  String get deleteMintConfirmMessage =>
+      'Wenn du Guthaben auf diesem Mint hast, geht es verloren. Bist du sicher?';
 
   @override
   String get delete => 'Löschen';
@@ -896,19 +955,24 @@ class L10nDe extends L10n {
   String get tokenSavedForLater => 'Token zum späteren Einlösen gespeichert';
 
   @override
-  String get noConnectionTokenSaved => 'Keine Verbindung. Token zum späteren Einlösen gespeichert.';
+  String get noConnectionTokenSaved =>
+      'Keine Verbindung. Token zum späteren Einlösen gespeichert.';
 
   @override
-  String get unknownMintOffline => 'Dieser Token stammt von einem unbekannten Mint. Verbinde dich mit dem Internet, um ihn hinzuzufügen und den Token einzulösen.';
+  String get unknownMintOffline =>
+      'Dieser Token stammt von einem unbekannten Mint. Verbinde dich mit dem Internet, um ihn hinzuzufügen und den Token einzulösen.';
 
   @override
-  String get noConnectionTryLater => 'Keine Verbindung zum Mint. Versuche es später erneut.';
+  String get noConnectionTryLater =>
+      'Keine Verbindung zum Mint. Versuche es später erneut.';
 
   @override
-  String get saveTokenError => 'Fehler beim Speichern des Tokens. Bitte erneut versuchen.';
+  String get saveTokenError =>
+      'Fehler beim Speichern des Tokens. Bitte erneut versuchen.';
 
   @override
-  String get pendingTokenLimitReached => 'Limit für ausstehende Tokens erreicht (max 50)';
+  String get pendingTokenLimitReached =>
+      'Limit für ausstehende Tokens erreicht (max 50)';
 
   @override
   String get filterToReceive => 'Zu empfangen';
@@ -985,10 +1049,12 @@ class L10nDe extends L10n {
   String get unrecognizedQrCode => 'Nicht erkannter QR-Code';
 
   @override
-  String get scanCashuTokenHint => 'Scanne einen Cashu Token (cashuA... oder cashuB...)';
+  String get scanCashuTokenHint =>
+      'Scanne einen Cashu Token (cashuA... oder cashuB...)';
 
   @override
-  String get scanLightningInvoiceHint => 'Scanne eine Lightning Rechnung (lnbc...)';
+  String get scanLightningInvoiceHint =>
+      'Scanne eine Lightning Rechnung (lnbc...)';
 
   @override
   String get addMintQuestion => 'Diesen Mint hinzufügen?';
@@ -997,7 +1063,8 @@ class L10nDe extends L10n {
   String get cameraPermissionDenied => 'Kamera-Berechtigung verweigert';
 
   @override
-  String get paymentRequestNotSupported => 'Zahlungsanfragen werden noch nicht unterstützt';
+  String get paymentRequestNotSupported =>
+      'Zahlungsanfragen werden noch nicht unterstützt';
 
   @override
   String get p2pkTitle => 'P2PK-Schlüssel';
@@ -1006,10 +1073,12 @@ class L10nDe extends L10n {
   String get p2pkSettingsDescription => 'Gesperrtes ecash empfangen';
 
   @override
-  String get p2pkExperimental => 'P2PK ist experimentell. Mit Vorsicht verwenden.';
+  String get p2pkExperimental =>
+      'P2PK ist experimentell. Mit Vorsicht verwenden.';
 
   @override
-  String get p2pkPendingSendWarning => 'Du hast einen ausstehenden P2PK-Versand. Gehe zum Verlauf und aktualisiere, nachdem der Empfänger den Token eingelöst hat.';
+  String get p2pkPendingSendWarning =>
+      'Du hast einen ausstehenden P2PK-Versand. Gehe zum Verlauf und aktualisiere, nachdem der Empfänger den Token eingelöst hat.';
 
   @override
   String get p2pkExperimentalShort => 'Experimentell';
@@ -1066,7 +1135,8 @@ class L10nDe extends L10n {
   String get p2pkLockedToOther => 'Für anderen Schlüssel gesperrt';
 
   @override
-  String get p2pkCannotUnlock => 'Du hast nicht den Schlüssel, um diesen Token zu entsperren';
+  String get p2pkCannotUnlock =>
+      'Du hast nicht den Schlüssel, um diesen Token zu entsperren';
 
   @override
   String get p2pkEnterPrivateKey => 'Privaten Schlüssel eingeben (nsec)';
@@ -1075,13 +1145,15 @@ class L10nDe extends L10n {
   String get p2pkDeleteTitle => 'Schlüssel löschen';
 
   @override
-  String get p2pkDeleteConfirm => 'Diesen Schlüssel löschen? Du kannst keine Token mehr empfangen, die daran gesperrt sind.';
+  String get p2pkDeleteConfirm =>
+      'Diesen Schlüssel löschen? Du kannst keine Token mehr empfangen, die daran gesperrt sind.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK erfordert Verbindung zum Mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Maximale Anzahl importierter Schlüssel erreicht (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Maximale Anzahl importierter Schlüssel erreicht (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'Ungültiger nsec';
@@ -1093,5 +1165,6 @@ class L10nDe extends L10n {
   String get p2pkErrorKeyNotFound => 'Schlüssel nicht gefunden';
 
   @override
-  String get p2pkErrorCannotDeletePrimary => 'Primärschlüssel kann nicht gelöscht werden';
+  String get p2pkErrorCannotDeletePrimary =>
+      'Primärschlüssel kann nicht gelöscht werden';
 }

lib/l10n/app_localizations_en.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nEn extends L10n {
   String get generatingSeed => 'Generating your seed phrase securely';
 
   @override
-  String get createWalletDescription => 'A 12-word seed phrase will be generated.\nStore it in a safe place.';
+  String get createWalletDescription =>
+      'A 12-word seed phrase will be generated.\nStore it in a safe place.';
 
   @override
   String get generateWallet => 'Generate wallet';
@@ -69,10 +70,12 @@ class L10nEn extends L10n {
   String get walletCreated => 'Wallet created!';
 
   @override
-  String get walletCreatedDescription => 'Your wallet is ready. We recommend backing up your seed phrase now.';
+  String get walletCreatedDescription =>
+      'Your wallet is ready. We recommend backing up your seed phrase now.';
 
   @override
-  String get backupWarning => 'Without backup, you will lose access to your funds if you lose the device.';
+  String get backupWarning =>
+      'Without backup, you will lose access to your funds if you lose the device.';
 
   @override
   String get backupNow => 'Backup now';
@@ -87,7 +90,8 @@ class L10nEn extends L10n {
   String get seedPhraseTitle => 'Your seed phrase';
 
   @override
-  String get seedPhraseDescription => 'Save these 12 words in order. They are the only way to recover your wallet.';
+  String get seedPhraseDescription =>
+      'Save these 12 words in order. They are the only way to recover your wallet.';
 
   @override
   String get revealSeedPhrase => 'Reveal seed phrase';
@@ -117,7 +121,8 @@ class L10nEn extends L10n {
   String get enterSeedPhrase => 'Enter your seed phrase';
 
   @override
-  String get enterSeedDescription => 'Type the 12 or 24 words separated by spaces.';
+  String get enterSeedDescription =>
+      'Type the 12 or 24 words separated by spaces.';
 
   @override
   String get seedPlaceholder => 'word1 word2 word3 ...';
@@ -310,11 +315,50 @@ class L10nEn extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Keep this token until the recipient claims it. If you lose it, you will lose the funds.';
+  String get keepTokenWarning =>
+      'Keep this token until the recipient claims it. If you lose it, you will lose the funds.';
 
   @override
   String get tokenCopiedToClipboard => 'Token copied to clipboard';
 
+  @override
+  String get copyAsEmoji => 'Copy as emoji';
+
+  @override
+  String get emojiCopiedToClipboard => 'Token copied as emoji 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Could not decode emoji token. It may be corrupted.';
+
+  @override
+  String get nfcWrite => 'Write to NFC tag';
+
+  @override
+  String get nfcRead => 'Read NFC tag';
+
+  @override
+  String get nfcHoldNear => 'Hold device near NFC tag...';
+
+  @override
+  String get nfcWriteSuccess => 'Token written to NFC tag';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'NFC write error: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'NFC read error: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC is disabled. Enable it in Settings.';
+
+  @override
+  String get nfcUnsupported => 'This device does not support NFC';
+
   @override
   String get amountToDeposit => 'Amount to deposit:';
 
@@ -665,7 +709,8 @@ class L10nEn extends L10n {
   String get close => 'Close';
 
   @override
-  String get aboutDescription => 'A Cashu wallet with Cuban DNA for the entire world. Brother of La Chispa.';
+  String get aboutDescription =>
+      'A Cashu wallet with Cuban DNA for the entire world. Brother of LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Could not open link';
@@ -677,7 +722,8 @@ class L10nEn extends L10n {
   String get actionIrreversible => 'This action is irreversible';
 
   @override
-  String get deleteWalletWarning => 'All data will be deleted including your seed phrase and tokens. Make sure you have a backup.';
+  String get deleteWalletWarning =>
+      'All data will be deleted including your seed phrase and tokens. Make sure you have a backup.';
 
   @override
   String get typeDeleteToConfirm => 'Type \"DELETE\" to confirm:';
@@ -694,7 +740,8 @@ class L10nEn extends L10n {
   String get recoverTokensTitle => 'Recover tokens';
 
   @override
-  String get recoverTokensDescription => 'Scan mints to recover tokens associated with your seed phrase (NUT-13)';
+  String get recoverTokensDescription =>
+      'Scan mints to recover tokens associated with your seed phrase (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Use my current seed phrase';
@@ -763,7 +810,8 @@ class L10nEn extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'No tokens found associated with that mnemonic.';
+  String get noTokensForMnemonic =>
+      'No tokens found associated with that mnemonic.';
 
   @override
   String get noConnectedMints => 'No connected mints';
@@ -843,7 +891,8 @@ class L10nEn extends L10n {
   String get deleteMintConfirmTitle => 'Delete mint';
 
   @override
-  String get deleteMintConfirmMessage => 'If you have balance in this mint, it will be lost. Are you sure?';
+  String get deleteMintConfirmMessage =>
+      'If you have balance in this mint, it will be lost. Are you sure?';
 
   @override
   String get delete => 'Delete';
@@ -896,10 +945,12 @@ class L10nEn extends L10n {
   String get tokenSavedForLater => 'Token saved to claim later';
 
   @override
-  String get noConnectionTokenSaved => 'No connection. Token saved to claim later.';
+  String get noConnectionTokenSaved =>
+      'No connection. Token saved to claim later.';
 
   @override
-  String get unknownMintOffline => 'This token is from an unknown mint. Connect to the internet to add it and claim the token.';
+  String get unknownMintOffline =>
+      'This token is from an unknown mint. Connect to the internet to add it and claim the token.';
 
   @override
   String get noConnectionTryLater => 'No connection to mint. Try again later.';
@@ -908,7 +959,8 @@ class L10nEn extends L10n {
   String get saveTokenError => 'Error saving token. Please try again.';
 
   @override
-  String get pendingTokenLimitReached => 'Pending tokens limit reached (max 50)';
+  String get pendingTokenLimitReached =>
+      'Pending tokens limit reached (max 50)';
 
   @override
   String get filterToReceive => 'To receive';
@@ -985,7 +1037,8 @@ class L10nEn extends L10n {
   String get unrecognizedQrCode => 'Unrecognized QR code';
 
   @override
-  String get scanCashuTokenHint => 'Scan a Cashu token (cashuA... or cashuB...)';
+  String get scanCashuTokenHint =>
+      'Scan a Cashu token (cashuA... or cashuB...)';
 
   @override
   String get scanLightningInvoiceHint => 'Scan a Lightning invoice (lnbc...)';
@@ -997,7 +1050,8 @@ class L10nEn extends L10n {
   String get cameraPermissionDenied => 'Camera permission denied';
 
   @override
-  String get paymentRequestNotSupported => 'Payment requests are not yet supported';
+  String get paymentRequestNotSupported =>
+      'Payment requests are not yet supported';
 
   @override
   String get p2pkTitle => 'P2PK Keys';
@@ -1009,7 +1063,8 @@ class L10nEn extends L10n {
   String get p2pkExperimental => 'P2PK is experimental. Use with caution.';
 
   @override
-  String get p2pkPendingSendWarning => 'You have a pending P2PK send. Go to history and refresh after the recipient claims the token.';
+  String get p2pkPendingSendWarning =>
+      'You have a pending P2PK send. Go to history and refresh after the recipient claims the token.';
 
   @override
   String get p2pkExperimentalShort => 'Experimental';
@@ -1075,7 +1130,8 @@ class L10nEn extends L10n {
   String get p2pkDeleteTitle => 'Delete key';
 
   @override
-  String get p2pkDeleteConfirm => 'Delete this key? You won\'t be able to receive tokens locked to it.';
+  String get p2pkDeleteConfirm =>
+      'Delete this key? You won\'t be able to receive tokens locked to it.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK requires connection to the mint';

lib/l10n/app_localizations_es.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nEs extends L10n {
   String get generatingSeed => 'Generando tu frase semilla de forma segura';
 
   @override
-  String get createWalletDescription => 'Se generará una frase semilla de 12 palabras.\nGuárdala en un lugar seguro.';
+  String get createWalletDescription =>
+      'Se generará una frase semilla de 12 palabras.\nGuárdala en un lugar seguro.';
 
   @override
   String get generateWallet => 'Generar wallet';
@@ -69,10 +70,12 @@ class L10nEs extends L10n {
   String get walletCreated => '¡Wallet creada!';
 
   @override
-  String get walletCreatedDescription => 'Tu wallet está lista. Te recomendamos hacer backup de tu frase semilla ahora.';
+  String get walletCreatedDescription =>
+      'Tu wallet está lista. Te recomendamos hacer backup de tu frase semilla ahora.';
 
   @override
-  String get backupWarning => 'Sin backup, perderás acceso a tus fondos si pierdes el dispositivo.';
+  String get backupWarning =>
+      'Sin backup, perderás acceso a tus fondos si pierdes el dispositivo.';
 
   @override
   String get backupNow => 'Hacer backup ahora';
@@ -87,7 +90,8 @@ class L10nEs extends L10n {
   String get seedPhraseTitle => 'Tu frase semilla';
 
   @override
-  String get seedPhraseDescription => 'Guarda estas 12 palabras en orden. Son la única forma de recuperar tu wallet.';
+  String get seedPhraseDescription =>
+      'Guarda estas 12 palabras en orden. Son la única forma de recuperar tu wallet.';
 
   @override
   String get revealSeedPhrase => 'Revelar frase semilla';
@@ -117,7 +121,8 @@ class L10nEs extends L10n {
   String get enterSeedPhrase => 'Ingresa tu frase semilla';
 
   @override
-  String get enterSeedDescription => 'Escribe las 12 o 24 palabras separadas por espacios.';
+  String get enterSeedDescription =>
+      'Escribe las 12 o 24 palabras separadas por espacios.';
 
   @override
   String get seedPlaceholder => 'palabra1 palabra2 palabra3 ...';
@@ -310,11 +315,50 @@ class L10nEs extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Guarda este token hasta que el receptor lo reclame. Si lo pierdes, perderás los fondos.';
+  String get keepTokenWarning =>
+      'Guarda este token hasta que el receptor lo reclame. Si lo pierdes, perderás los fondos.';
 
   @override
   String get tokenCopiedToClipboard => 'Token copiado al portapapeles';
 
+  @override
+  String get copyAsEmoji => 'Copiar como emoji';
+
+  @override
+  String get emojiCopiedToClipboard => 'Token copiado como emoji 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'No se pudo decodificar el token emoji. Puede estar corrupto.';
+
+  @override
+  String get nfcWrite => 'Escribir en tag NFC';
+
+  @override
+  String get nfcRead => 'Leer tag NFC';
+
+  @override
+  String get nfcHoldNear => 'Acerca el dispositivo al tag NFC...';
+
+  @override
+  String get nfcWriteSuccess => 'Token escrito en tag NFC';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'Error NFC al escribir: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'Error NFC al leer: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC está desactivado. Actívalo en Ajustes.';
+
+  @override
+  String get nfcUnsupported => 'Este dispositivo no soporta NFC';
+
   @override
   String get amountToDeposit => 'Monto a depositar:';
 
@@ -450,7 +494,8 @@ class L10nEs extends L10n {
   String get noPendingTransactions => 'Sin transacciones pendientes';
 
   @override
-  String get allTransactionsCompleted => 'Todas tus transacciones están completadas';
+  String get allTransactionsCompleted =>
+      'Todas tus transacciones están completadas';
 
   @override
   String get noEcashTransactions => 'Sin transacciones Ecash';
@@ -665,7 +710,8 @@ class L10nEs extends L10n {
   String get close => 'Cerrar';
 
   @override
-  String get aboutDescription => 'Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de La Chispa.';
+  String get aboutDescription =>
+      'Un wallet de Cashu con ADN cubano para el mundo entero. Hermano de LaChispa.';
 
   @override
   String get couldNotOpenLink => 'No se pudo abrir el enlace';
@@ -677,7 +723,8 @@ class L10nEs extends L10n {
   String get actionIrreversible => 'Esta acción es irreversible';
 
   @override
-  String get deleteWalletWarning => 'Se eliminarán todos los datos incluyendo tu seed phrase y tokens. Asegúrate de tener un backup.';
+  String get deleteWalletWarning =>
+      'Se eliminarán todos los datos incluyendo tu seed phrase y tokens. Asegúrate de tener un backup.';
 
   @override
   String get typeDeleteToConfirm => 'Escribe \"BORRAR\" para confirmar:';
@@ -694,13 +741,15 @@ class L10nEs extends L10n {
   String get recoverTokensTitle => 'Recuperar tokens';
 
   @override
-  String get recoverTokensDescription => 'Escanea los mints para recuperar tokens asociados a tu seed phrase (NUT-13)';
+  String get recoverTokensDescription =>
+      'Escanea los mints para recuperar tokens asociados a tu seed phrase (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Usar mi seed phrase actual';
 
   @override
-  String get scanWithSavedWords => 'Escanear mints con las 12 palabras guardadas';
+  String get scanWithSavedWords =>
+      'Escanear mints con las 12 palabras guardadas';
 
   @override
   String get useOtherSeedPhrase => 'Usar otra seed phrase';
@@ -720,7 +769,8 @@ class L10nEs extends L10n {
   String get specificMint => 'Un mint específico';
 
   @override
-  String get enterMnemonicWords => 'Ingresa las 12 palabras separadas por espacios...';
+  String get enterMnemonicWords =>
+      'Ingresa las 12 palabras separadas por espacios...';
 
   @override
   String get scanMints => 'Escanear mints';
@@ -740,7 +790,8 @@ class L10nEs extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Escaneo completado. No se encontraron tokens nuevos.';
+  String get scanCompleteNoTokens =>
+      'Escaneo completado. No se encontraron tokens nuevos.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +814,8 @@ class L10nEs extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'No se encontraron tokens asociados a ese mnemonic.';
+  String get noTokensForMnemonic =>
+      'No se encontraron tokens asociados a ese mnemonic.';
 
   @override
   String get noConnectedMints => 'No hay mints conectados';
@@ -843,7 +895,8 @@ class L10nEs extends L10n {
   String get deleteMintConfirmTitle => 'Eliminar mint';
 
   @override
-  String get deleteMintConfirmMessage => 'Si tienes balance en este mint, se perderá. ¿Estás seguro?';
+  String get deleteMintConfirmMessage =>
+      'Si tienes balance en este mint, se perderá. ¿Estás seguro?';
 
   @override
   String get delete => 'Eliminar';
@@ -896,10 +949,12 @@ class L10nEs extends L10n {
   String get tokenSavedForLater => 'Token guardado para reclamar después';
 
   @override
-  String get noConnectionTokenSaved => 'Sin conexión. Token guardado para reclamar después.';
+  String get noConnectionTokenSaved =>
+      'Sin conexión. Token guardado para reclamar después.';
 
   @override
-  String get unknownMintOffline => 'Este token es de un mint desconocido. Conéctate a internet para agregarlo y reclamar el token.';
+  String get unknownMintOffline =>
+      'Este token es de un mint desconocido. Conéctate a internet para agregarlo y reclamar el token.';
 
   @override
   String get noConnectionTryLater => 'Sin conexión al mint. Intenta más tarde.';
@@ -908,7 +963,8 @@ class L10nEs extends L10n {
   String get saveTokenError => 'Error al guardar el token. Intenta de nuevo.';
 
   @override
-  String get pendingTokenLimitReached => 'Límite de tokens pendientes alcanzado (max 50)';
+  String get pendingTokenLimitReached =>
+      'Límite de tokens pendientes alcanzado (max 50)';
 
   @override
   String get filterToReceive => 'Para recibir';
@@ -985,10 +1041,12 @@ class L10nEs extends L10n {
   String get unrecognizedQrCode => 'Código QR no reconocido';
 
   @override
-  String get scanCashuTokenHint => 'Escanea un token Cashu (cashuA... o cashuB...)';
+  String get scanCashuTokenHint =>
+      'Escanea un token Cashu (cashuA... o cashuB...)';
 
   @override
-  String get scanLightningInvoiceHint => 'Escanea un invoice Lightning (lnbc...)';
+  String get scanLightningInvoiceHint =>
+      'Escanea un invoice Lightning (lnbc...)';
 
   @override
   String get addMintQuestion => '¿Agregar este mint?';
@@ -997,7 +1055,8 @@ class L10nEs extends L10n {
   String get cameraPermissionDenied => 'Permiso de cámara denegado';
 
   @override
-  String get paymentRequestNotSupported => 'Los payment requests aún no están soportados';
+  String get paymentRequestNotSupported =>
+      'Los payment requests aún no están soportados';
 
   @override
   String get p2pkTitle => 'Claves P2PK';
@@ -1009,7 +1068,8 @@ class L10nEs extends L10n {
   String get p2pkExperimental => 'P2PK es experimental. Úsala con precaución.';
 
   @override
-  String get p2pkPendingSendWarning => 'Tienes un envío P2PK pendiente. Ve al historial y presiona actualizar después de que el destinatario reclame el token.';
+  String get p2pkPendingSendWarning =>
+      'Tienes un envío P2PK pendiente. Ve al historial y presiona actualizar después de que el destinatario reclame el token.';
 
   @override
   String get p2pkExperimentalShort => 'Experimental';
@@ -1066,7 +1126,8 @@ class L10nEs extends L10n {
   String get p2pkLockedToOther => 'Bloqueado para otra clave';
 
   @override
-  String get p2pkCannotUnlock => 'No tienes la clave para desbloquear este token';
+  String get p2pkCannotUnlock =>
+      'No tienes la clave para desbloquear este token';
 
   @override
   String get p2pkEnterPrivateKey => 'Ingresa la clave privada (nsec)';
@@ -1075,13 +1136,15 @@ class L10nEs extends L10n {
   String get p2pkDeleteTitle => 'Eliminar clave';
 
   @override
-  String get p2pkDeleteConfirm => '¿Eliminar esta clave? No podrás recibir tokens bloqueados a ella.';
+  String get p2pkDeleteConfirm =>
+      '¿Eliminar esta clave? No podrás recibir tokens bloqueados a ella.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK requiere conexión al mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Máximo de claves importadas alcanzado (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Máximo de claves importadas alcanzado (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'nsec inválido';
@@ -1093,5 +1156,6 @@ class L10nEs extends L10n {
   String get p2pkErrorKeyNotFound => 'Clave no encontrada';
 
   @override
-  String get p2pkErrorCannotDeletePrimary => 'No se puede eliminar la clave principal';
+  String get p2pkErrorCannotDeletePrimary =>
+      'No se puede eliminar la clave principal';
 }

lib/l10n/app_localizations_fr.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -57,10 +57,12 @@ class L10nFr extends L10n {
   String get creatingWallet => 'Création de votre portefeuille...';
 
   @override
-  String get generatingSeed => 'Génération sécurisée de votre phrase de récupération';
+  String get generatingSeed =>
+      'Génération sécurisée de votre phrase de récupération';
 
   @override
-  String get createWalletDescription => 'Une phrase de récupération de 12 mots sera générée.\nConservez-la dans un endroit sûr.';
+  String get createWalletDescription =>
+      'Une phrase de récupération de 12 mots sera générée.\nConservez-la dans un endroit sûr.';
 
   @override
   String get generateWallet => 'Générer le portefeuille';
@@ -69,10 +71,12 @@ class L10nFr extends L10n {
   String get walletCreated => 'Portefeuille créé !';
 
   @override
-  String get walletCreatedDescription => 'Votre portefeuille est prêt. Nous vous recommandons de sauvegarder votre phrase de récupération maintenant.';
+  String get walletCreatedDescription =>
+      'Votre portefeuille est prêt. Nous vous recommandons de sauvegarder votre phrase de récupération maintenant.';
 
   @override
-  String get backupWarning => 'Sans sauvegarde, vous perdrez l\'accès à vos fonds si vous perdez l\'appareil.';
+  String get backupWarning =>
+      'Sans sauvegarde, vous perdrez l\'accès à vos fonds si vous perdez l\'appareil.';
 
   @override
   String get backupNow => 'Sauvegarder maintenant';
@@ -87,13 +91,15 @@ class L10nFr extends L10n {
   String get seedPhraseTitle => 'Votre phrase de récupération';
 
   @override
-  String get seedPhraseDescription => 'Conservez ces 12 mots dans l\'ordre. C\'est le seul moyen de récupérer votre portefeuille.';
+  String get seedPhraseDescription =>
+      'Conservez ces 12 mots dans l\'ordre. C\'est le seul moyen de récupérer votre portefeuille.';
 
   @override
   String get revealSeedPhrase => 'Révéler la phrase de récupération';
 
   @override
-  String get tapToReveal => 'Appuyez sur le bouton pour révéler\nvotre phrase de récupération';
+  String get tapToReveal =>
+      'Appuyez sur le bouton pour révéler\nvotre phrase de récupération';
 
   @override
   String get copyToClipboard => 'Copier dans le presse-papiers';
@@ -102,10 +108,12 @@ class L10nFr extends L10n {
   String get seedCopied => 'Phrase copiée dans le presse-papiers';
 
   @override
-  String get neverShareSeed => 'Ne partagez jamais votre phrase de récupération avec personne.';
+  String get neverShareSeed =>
+      'Ne partagez jamais votre phrase de récupération avec personne.';
 
   @override
-  String get confirmBackup => 'J\'ai sauvegardé ma phrase de récupération dans un endroit sûr';
+  String get confirmBackup =>
+      'J\'ai sauvegardé ma phrase de récupération dans un endroit sûr';
 
   @override
   String get continue_ => 'Continuer';
@@ -117,7 +125,8 @@ class L10nFr extends L10n {
   String get enterSeedPhrase => 'Entrez votre phrase de récupération';
 
   @override
-  String get enterSeedDescription => 'Tapez les 12 ou 24 mots séparés par des espaces.';
+  String get enterSeedDescription =>
+      'Tapez les 12 ou 24 mots séparés par des espaces.';
 
   @override
   String get seedPlaceholder => 'mot1 mot2 mot3 ...';
@@ -310,11 +319,51 @@ class L10nFr extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Conservez ce token jusqu\'à ce que le destinataire le réclame. Si vous le perdez, vous perdrez les fonds.';
+  String get keepTokenWarning =>
+      'Conservez ce token jusqu\'à ce que le destinataire le réclame. Si vous le perdez, vous perdrez les fonds.';
 
   @override
   String get tokenCopiedToClipboard => 'Token copié dans le presse-papiers';
 
+  @override
+  String get copyAsEmoji => 'Copier en emoji';
+
+  @override
+  String get emojiCopiedToClipboard => 'Token copié en emoji 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Impossible de décoder le token emoji. Il est peut-être corrompu.';
+
+  @override
+  String get nfcWrite => 'Écrire sur tag NFC';
+
+  @override
+  String get nfcRead => 'Lire tag NFC';
+
+  @override
+  String get nfcHoldNear => 'Approchez l\'appareil du tag NFC...';
+
+  @override
+  String get nfcWriteSuccess => 'Token écrit sur le tag NFC';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'Erreur NFC écriture : $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'Erreur NFC lecture : $error';
+  }
+
+  @override
+  String get nfcDisabled =>
+      'NFC est désactivé. Activez-le dans les Paramètres.';
+
+  @override
+  String get nfcUnsupported => 'Cet appareil ne prend pas en charge le NFC';
+
   @override
   String get amountToDeposit => 'Montant à déposer :';
 
@@ -364,7 +413,8 @@ class L10nFr extends L10n {
   String get description => 'Description :';
 
   @override
-  String get invoiceCopiedToClipboard => 'Facture copiée dans le presse-papiers';
+  String get invoiceCopiedToClipboard =>
+      'Facture copiée dans le presse-papiers';
 
   @override
   String deposited(String amount, String unit) {
@@ -450,7 +500,8 @@ class L10nFr extends L10n {
   String get noPendingTransactions => 'Aucune transaction en attente';
 
   @override
-  String get allTransactionsCompleted => 'Toutes vos transactions sont terminées';
+  String get allTransactionsCompleted =>
+      'Toutes vos transactions sont terminées';
 
   @override
   String get noEcashTransactions => 'Aucune transaction Ecash';
@@ -567,7 +618,8 @@ class L10nFr extends L10n {
   String get recoverTokens => 'Récupérer les tokens';
 
   @override
-  String get scanMintsWithSeed => 'Scanner les mints avec la phrase de récupération';
+  String get scanMintsWithSeed =>
+      'Scanner les mints avec la phrase de récupération';
 
   @override
   String get appearanceSection => 'LANGUE';
@@ -665,7 +717,8 @@ class L10nFr extends L10n {
   String get close => 'Fermer';
 
   @override
-  String get aboutDescription => 'Un portefeuille Cashu avec ADN cubain pour le monde entier. Frère de La Chispa.';
+  String get aboutDescription =>
+      'Un portefeuille Cashu avec ADN cubain pour le monde entier. Frère de LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Impossible d\'ouvrir le lien';
@@ -677,7 +730,8 @@ class L10nFr extends L10n {
   String get actionIrreversible => 'Cette action est irréversible';
 
   @override
-  String get deleteWalletWarning => 'Toutes les données seront supprimées, y compris votre phrase de récupération et vos tokens. Assurez-vous d\'avoir une sauvegarde.';
+  String get deleteWalletWarning =>
+      'Toutes les données seront supprimées, y compris votre phrase de récupération et vos tokens. Assurez-vous d\'avoir une sauvegarde.';
 
   @override
   String get typeDeleteToConfirm => 'Tapez \"SUPPRIMER\" pour confirmer :';
@@ -694,13 +748,16 @@ class L10nFr extends L10n {
   String get recoverTokensTitle => 'Récupérer les tokens';
 
   @override
-  String get recoverTokensDescription => 'Scanner les mints pour récupérer les tokens associés à votre phrase de récupération (NUT-13)';
+  String get recoverTokensDescription =>
+      'Scanner les mints pour récupérer les tokens associés à votre phrase de récupération (NUT-13)';
 
   @override
-  String get useCurrentSeedPhrase => 'Utiliser ma phrase de récupération actuelle';
+  String get useCurrentSeedPhrase =>
+      'Utiliser ma phrase de récupération actuelle';
 
   @override
-  String get scanWithSavedWords => 'Scanner les mints avec les 12 mots sauvegardés';
+  String get scanWithSavedWords =>
+      'Scanner les mints avec les 12 mots sauvegardés';
 
   @override
   String get useOtherSeedPhrase => 'Utiliser une autre phrase de récupération';
@@ -720,7 +777,8 @@ class L10nFr extends L10n {
   String get specificMint => 'Un mint spécifique';
 
   @override
-  String get enterMnemonicWords => 'Entrez les 12 mots séparés par des espaces...';
+  String get enterMnemonicWords =>
+      'Entrez les 12 mots séparés par des espaces...';
 
   @override
   String get scanMints => 'Scanner les mints';
@@ -740,7 +798,8 @@ class L10nFr extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Scan terminé. Aucun nouveau token trouvé.';
+  String get scanCompleteNoTokens =>
+      'Scan terminé. Aucun nouveau token trouvé.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +822,8 @@ class L10nFr extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'Aucun token trouvé associé à ce mnémonique.';
+  String get noTokensForMnemonic =>
+      'Aucun token trouvé associé à ce mnémonique.';
 
   @override
   String get noConnectedMints => 'Aucun mint connecté';
@@ -843,7 +903,8 @@ class L10nFr extends L10n {
   String get deleteMintConfirmTitle => 'Supprimer le mint';
 
   @override
-  String get deleteMintConfirmMessage => 'Si vous avez un solde sur ce mint, il sera perdu. Êtes-vous sûr ?';
+  String get deleteMintConfirmMessage =>
+      'Si vous avez un solde sur ce mint, il sera perdu. Êtes-vous sûr ?';
 
   @override
   String get delete => 'Supprimer';
@@ -896,19 +957,24 @@ class L10nFr extends L10n {
   String get tokenSavedForLater => 'Token sauvegardé pour réclamer plus tard';
 
   @override
-  String get noConnectionTokenSaved => 'Pas de connexion. Token sauvegardé pour réclamer plus tard.';
+  String get noConnectionTokenSaved =>
+      'Pas de connexion. Token sauvegardé pour réclamer plus tard.';
 
   @override
-  String get unknownMintOffline => 'Ce token provient d\'un mint inconnu. Connectez-vous à Internet pour l\'ajouter et réclamer le token.';
+  String get unknownMintOffline =>
+      'Ce token provient d\'un mint inconnu. Connectez-vous à Internet pour l\'ajouter et réclamer le token.';
 
   @override
-  String get noConnectionTryLater => 'Pas de connexion au mint. Réessayez plus tard.';
+  String get noConnectionTryLater =>
+      'Pas de connexion au mint. Réessayez plus tard.';
 
   @override
-  String get saveTokenError => 'Erreur lors de la sauvegarde du token. Veuillez réessayer.';
+  String get saveTokenError =>
+      'Erreur lors de la sauvegarde du token. Veuillez réessayer.';
 
   @override
-  String get pendingTokenLimitReached => 'Limite de tokens en attente atteinte (max 50)';
+  String get pendingTokenLimitReached =>
+      'Limite de tokens en attente atteinte (max 50)';
 
   @override
   String get filterToReceive => 'À recevoir';
@@ -917,7 +983,8 @@ class L10nFr extends L10n {
   String get noPendingTokens => 'Aucun token en attente';
 
   @override
-  String get noPendingTokensHint => 'Sauvegardez des tokens pour les réclamer plus tard';
+  String get noPendingTokensHint =>
+      'Sauvegardez des tokens pour les réclamer plus tard';
 
   @override
   String get pendingBadge => 'EN ATTENTE';
@@ -976,19 +1043,23 @@ class L10nFr extends L10n {
   String get pointCameraAtQr => 'Pointez la caméra vers le code QR';
 
   @override
-  String get pointCameraAtCashuQr => 'Pointez la caméra vers le QR du token Cashu';
+  String get pointCameraAtCashuQr =>
+      'Pointez la caméra vers le QR du token Cashu';
 
   @override
-  String get pointCameraAtInvoiceQr => 'Pointez la caméra vers le QR de la facture';
+  String get pointCameraAtInvoiceQr =>
+      'Pointez la caméra vers le QR de la facture';
 
   @override
   String get unrecognizedQrCode => 'Code QR non reconnu';
 
   @override
-  String get scanCashuTokenHint => 'Scannez un token Cashu (cashuA... ou cashuB...)';
+  String get scanCashuTokenHint =>
+      'Scannez un token Cashu (cashuA... ou cashuB...)';
 
   @override
-  String get scanLightningInvoiceHint => 'Scannez une facture Lightning (lnbc...)';
+  String get scanLightningInvoiceHint =>
+      'Scannez une facture Lightning (lnbc...)';
 
   @override
   String get addMintQuestion => 'Ajouter ce mint ?';
@@ -997,7 +1068,8 @@ class L10nFr extends L10n {
   String get cameraPermissionDenied => 'Permission de la caméra refusée';
 
   @override
-  String get paymentRequestNotSupported => 'Les demandes de paiement ne sont pas encore prises en charge';
+  String get paymentRequestNotSupported =>
+      'Les demandes de paiement ne sont pas encore prises en charge';
 
   @override
   String get p2pkTitle => 'Clés P2PK';
@@ -1006,10 +1078,12 @@ class L10nFr extends L10n {
   String get p2pkSettingsDescription => 'Recevoir ecash verrouillé';
 
   @override
-  String get p2pkExperimental => 'P2PK est expérimental. Utiliser avec prudence.';
+  String get p2pkExperimental =>
+      'P2PK est expérimental. Utiliser avec prudence.';
 
   @override
-  String get p2pkPendingSendWarning => 'Vous avez un envoi P2PK en attente. Allez dans l\'historique et actualisez après que le destinataire a réclamé le jeton.';
+  String get p2pkPendingSendWarning =>
+      'Vous avez un envoi P2PK en attente. Allez dans l\'historique et actualisez après que le destinataire a réclamé le jeton.';
 
   @override
   String get p2pkExperimentalShort => 'Expérimental';
@@ -1066,7 +1140,8 @@ class L10nFr extends L10n {
   String get p2pkLockedToOther => 'Verrouillé pour une autre clé';
 
   @override
-  String get p2pkCannotUnlock => 'Vous n\'avez pas la clé pour déverrouiller ce token';
+  String get p2pkCannotUnlock =>
+      'Vous n\'avez pas la clé pour déverrouiller ce token';
 
   @override
   String get p2pkEnterPrivateKey => 'Entrer la clé privée (nsec)';
@@ -1075,13 +1150,15 @@ class L10nFr extends L10n {
   String get p2pkDeleteTitle => 'Supprimer la clé';
 
   @override
-  String get p2pkDeleteConfirm => 'Supprimer cette clé ? Vous ne pourrez plus recevoir de tokens verrouillés dessus.';
+  String get p2pkDeleteConfirm =>
+      'Supprimer cette clé ? Vous ne pourrez plus recevoir de tokens verrouillés dessus.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK nécessite une connexion au mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Nombre maximum de clés importées atteint (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Nombre maximum de clés importées atteint (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'nsec invalide';
@@ -1093,5 +1170,6 @@ class L10nFr extends L10n {
   String get p2pkErrorKeyNotFound => 'Clé non trouvée';
 
   @override
-  String get p2pkErrorCannotDeletePrimary => 'Impossible de supprimer la clé principale';
+  String get p2pkErrorCannotDeletePrimary =>
+      'Impossible de supprimer la clé principale';
 }

lib/l10n/app_localizations_it.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nIt extends L10n {
   String get generatingSeed => 'Generazione sicura della tua frase seed';
 
   @override
-  String get createWalletDescription => 'Verrà generata una frase seed di 12 parole.\nConservala in un luogo sicuro.';
+  String get createWalletDescription =>
+      'Verrà generata una frase seed di 12 parole.\nConservala in un luogo sicuro.';
 
   @override
   String get generateWallet => 'Genera portafoglio';
@@ -69,10 +70,12 @@ class L10nIt extends L10n {
   String get walletCreated => 'Portafoglio creato!';
 
   @override
-  String get walletCreatedDescription => 'Il tuo portafoglio è pronto. Ti consigliamo di fare il backup della frase seed ora.';
+  String get walletCreatedDescription =>
+      'Il tuo portafoglio è pronto. Ti consigliamo di fare il backup della frase seed ora.';
 
   @override
-  String get backupWarning => 'Senza backup, perderai l\'accesso ai tuoi fondi se perdi il dispositivo.';
+  String get backupWarning =>
+      'Senza backup, perderai l\'accesso ai tuoi fondi se perdi il dispositivo.';
 
   @override
   String get backupNow => 'Backup adesso';
@@ -87,7 +90,8 @@ class L10nIt extends L10n {
   String get seedPhraseTitle => 'La tua frase seed';
 
   @override
-  String get seedPhraseDescription => 'Conserva queste 12 parole in ordine. Sono l\'unico modo per recuperare il tuo portafoglio.';
+  String get seedPhraseDescription =>
+      'Conserva queste 12 parole in ordine. Sono l\'unico modo per recuperare il tuo portafoglio.';
 
   @override
   String get revealSeedPhrase => 'Mostra frase seed';
@@ -102,7 +106,8 @@ class L10nIt extends L10n {
   String get seedCopied => 'Frase copiata negli appunti';
 
   @override
-  String get neverShareSeed => 'Non condividere mai la tua frase seed con nessuno.';
+  String get neverShareSeed =>
+      'Non condividere mai la tua frase seed con nessuno.';
 
   @override
   String get confirmBackup => 'Ho salvato la mia frase seed in un luogo sicuro';
@@ -117,7 +122,8 @@ class L10nIt extends L10n {
   String get enterSeedPhrase => 'Inserisci la tua frase seed';
 
   @override
-  String get enterSeedDescription => 'Scrivi le 12 o 24 parole separate da spazi.';
+  String get enterSeedDescription =>
+      'Scrivi le 12 o 24 parole separate da spazi.';
 
   @override
   String get seedPlaceholder => 'parola1 parola2 parola3 ...';
@@ -310,11 +316,50 @@ class L10nIt extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Conserva questo token finché il destinatario non lo riscatta. Se lo perdi, perderai i fondi.';
+  String get keepTokenWarning =>
+      'Conserva questo token finché il destinatario non lo riscatta. Se lo perdi, perderai i fondi.';
 
   @override
   String get tokenCopiedToClipboard => 'Token copiato negli appunti';
 
+  @override
+  String get copyAsEmoji => 'Copia come emoji';
+
+  @override
+  String get emojiCopiedToClipboard => 'Token copiato come emoji 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Impossibile decodificare il token emoji. Potrebbe essere corrotto.';
+
+  @override
+  String get nfcWrite => 'Scrivi su tag NFC';
+
+  @override
+  String get nfcRead => 'Leggi tag NFC';
+
+  @override
+  String get nfcHoldNear => 'Avvicina il dispositivo al tag NFC...';
+
+  @override
+  String get nfcWriteSuccess => 'Token scritto sul tag NFC';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'Errore NFC scrittura: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'Errore NFC lettura: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC è disattivato. Attivalo nelle Impostazioni.';
+
+  @override
+  String get nfcUnsupported => 'Questo dispositivo non supporta NFC';
+
   @override
   String get amountToDeposit => 'Importo da depositare:';
 
@@ -450,7 +495,8 @@ class L10nIt extends L10n {
   String get noPendingTransactions => 'Nessuna transazione in attesa';
 
   @override
-  String get allTransactionsCompleted => 'Tutte le tue transazioni sono completate';
+  String get allTransactionsCompleted =>
+      'Tutte le tue transazioni sono completate';
 
   @override
   String get noEcashTransactions => 'Nessuna transazione Ecash';
@@ -665,7 +711,8 @@ class L10nIt extends L10n {
   String get close => 'Chiudi';
 
   @override
-  String get aboutDescription => 'Un portafoglio Cashu con DNA cubano per il mondo intero. Fratello di La Chispa.';
+  String get aboutDescription =>
+      'Un portafoglio Cashu con DNA cubano per il mondo intero. Fratello di LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Impossibile aprire il link';
@@ -677,7 +724,8 @@ class L10nIt extends L10n {
   String get actionIrreversible => 'Questa azione è irreversibile';
 
   @override
-  String get deleteWalletWarning => 'Tutti i dati verranno eliminati, inclusa la frase seed e i token. Assicurati di avere un backup.';
+  String get deleteWalletWarning =>
+      'Tutti i dati verranno eliminati, inclusa la frase seed e i token. Assicurati di avere un backup.';
 
   @override
   String get typeDeleteToConfirm => 'Scrivi \"ELIMINA\" per confermare:';
@@ -694,7 +742,8 @@ class L10nIt extends L10n {
   String get recoverTokensTitle => 'Recupera token';
 
   @override
-  String get recoverTokensDescription => 'Scansiona i mint per recuperare i token associati alla tua frase seed (NUT-13)';
+  String get recoverTokensDescription =>
+      'Scansiona i mint per recuperare i token associati alla tua frase seed (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Usa la mia frase seed attuale';
@@ -720,7 +769,8 @@ class L10nIt extends L10n {
   String get specificMint => 'Un mint specifico';
 
   @override
-  String get enterMnemonicWords => 'Inserisci le 12 parole separate da spazi...';
+  String get enterMnemonicWords =>
+      'Inserisci le 12 parole separate da spazi...';
 
   @override
   String get scanMints => 'Scansiona mint';
@@ -740,7 +790,8 @@ class L10nIt extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Scansione completata. Nessun nuovo token trovato.';
+  String get scanCompleteNoTokens =>
+      'Scansione completata. Nessun nuovo token trovato.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +814,8 @@ class L10nIt extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'Nessun token trovato associato a questo mnemonic.';
+  String get noTokensForMnemonic =>
+      'Nessun token trovato associato a questo mnemonic.';
 
   @override
   String get noConnectedMints => 'Nessun mint connesso';
@@ -843,7 +895,8 @@ class L10nIt extends L10n {
   String get deleteMintConfirmTitle => 'Elimina mint';
 
   @override
-  String get deleteMintConfirmMessage => 'Se hai saldo su questo mint, verrà perso. Sei sicuro?';
+  String get deleteMintConfirmMessage =>
+      'Se hai saldo su questo mint, verrà perso. Sei sicuro?';
 
   @override
   String get delete => 'Elimina';
@@ -896,19 +949,23 @@ class L10nIt extends L10n {
   String get tokenSavedForLater => 'Token salvato per riscattarlo dopo';
 
   @override
-  String get noConnectionTokenSaved => 'Nessuna connessione. Token salvato per riscattarlo dopo.';
+  String get noConnectionTokenSaved =>
+      'Nessuna connessione. Token salvato per riscattarlo dopo.';
 
   @override
-  String get unknownMintOffline => 'Questo token proviene da un mint sconosciuto. Connettiti a internet per aggiungerlo e riscattare il token.';
+  String get unknownMintOffline =>
+      'Questo token proviene da un mint sconosciuto. Connettiti a internet per aggiungerlo e riscattare il token.';
 
   @override
-  String get noConnectionTryLater => 'Nessuna connessione al mint. Riprova più tardi.';
+  String get noConnectionTryLater =>
+      'Nessuna connessione al mint. Riprova più tardi.';
 
   @override
   String get saveTokenError => 'Errore nel salvare il token. Riprova.';
 
   @override
-  String get pendingTokenLimitReached => 'Limite token in attesa raggiunto (max 50)';
+  String get pendingTokenLimitReached =>
+      'Limite token in attesa raggiunto (max 50)';
 
   @override
   String get filterToReceive => 'Da ricevere';
@@ -976,19 +1033,23 @@ class L10nIt extends L10n {
   String get pointCameraAtQr => 'Punta la fotocamera sul codice QR';
 
   @override
-  String get pointCameraAtCashuQr => 'Punta la fotocamera sul QR del token Cashu';
+  String get pointCameraAtCashuQr =>
+      'Punta la fotocamera sul QR del token Cashu';
 
   @override
-  String get pointCameraAtInvoiceQr => 'Punta la fotocamera sul QR della fattura';
+  String get pointCameraAtInvoiceQr =>
+      'Punta la fotocamera sul QR della fattura';
 
   @override
   String get unrecognizedQrCode => 'Codice QR non riconosciuto';
 
   @override
-  String get scanCashuTokenHint => 'Scansiona un token Cashu (cashuA... o cashuB...)';
+  String get scanCashuTokenHint =>
+      'Scansiona un token Cashu (cashuA... o cashuB...)';
 
   @override
-  String get scanLightningInvoiceHint => 'Scansiona una fattura Lightning (lnbc...)';
+  String get scanLightningInvoiceHint =>
+      'Scansiona una fattura Lightning (lnbc...)';
 
   @override
   String get addMintQuestion => 'Aggiungere questo mint?';
@@ -997,7 +1058,8 @@ class L10nIt extends L10n {
   String get cameraPermissionDenied => 'Permesso fotocamera negato';
 
   @override
-  String get paymentRequestNotSupported => 'Le richieste di pagamento non sono ancora supportate';
+  String get paymentRequestNotSupported =>
+      'Le richieste di pagamento non sono ancora supportate';
 
   @override
   String get p2pkTitle => 'Chiavi P2PK';
@@ -1009,7 +1071,8 @@ class L10nIt extends L10n {
   String get p2pkExperimental => 'P2PK è sperimentale. Usare con cautela.';
 
   @override
-  String get p2pkPendingSendWarning => 'Hai un invio P2PK in sospeso. Vai alla cronologia e aggiorna dopo che il destinatario ha riscattato il token.';
+  String get p2pkPendingSendWarning =>
+      'Hai un invio P2PK in sospeso. Vai alla cronologia e aggiorna dopo che il destinatario ha riscattato il token.';
 
   @override
   String get p2pkExperimentalShort => 'Sperimentale';
@@ -1075,13 +1138,15 @@ class L10nIt extends L10n {
   String get p2pkDeleteTitle => 'Elimina chiave';
 
   @override
-  String get p2pkDeleteConfirm => 'Eliminare questa chiave? Non potrai ricevere token bloccati ad essa.';
+  String get p2pkDeleteConfirm =>
+      'Eliminare questa chiave? Non potrai ricevere token bloccati ad essa.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK richiede connessione al mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Numero massimo di chiavi importate raggiunto (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Numero massimo di chiavi importate raggiunto (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'nsec non valido';
@@ -1093,5 +1158,6 @@ class L10nIt extends L10n {
   String get p2pkErrorKeyNotFound => 'Chiave non trovata';
 
   @override
-  String get p2pkErrorCannotDeletePrimary => 'Impossibile eliminare la chiave principale';
+  String get p2pkErrorCannotDeletePrimary =>
+      'Impossibile eliminare la chiave principale';
 }

lib/l10n/app_localizations_ja.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -69,7 +69,8 @@ class L10nJa extends L10n {
   String get walletCreated => 'ウォレット作成完了！';
 
   @override
-  String get walletCreatedDescription => 'ウォレットの準備ができました。今すぐシードフレーズをバックアップすることをお勧めします。';
+  String get walletCreatedDescription =>
+      'ウォレットの準備ができました。今すぐシードフレーズをバックアップすることをお勧めします。';
 
   @override
   String get backupWarning => 'バックアップがないと、デバイスを紛失した場合に資金にアクセスできなくなります。';
@@ -315,6 +316,43 @@ class L10nJa extends L10n {
   @override
   String get tokenCopiedToClipboard => 'トークンをクリップボードにコピーしました';
 
+  @override
+  String get copyAsEmoji => '絵文字としてコピー';
+
+  @override
+  String get emojiCopiedToClipboard => 'トークンを絵文字としてコピーしました 🥜';
+
+  @override
+  String get peanutDecodeError => '絵文字トークンをデコードできませんでした。破損している可能性があります。';
+
+  @override
+  String get nfcWrite => 'NFCタグに書き込む';
+
+  @override
+  String get nfcRead => 'NFCタグを読み取る';
+
+  @override
+  String get nfcHoldNear => 'デバイスをNFCタグに近づけてください...';
+
+  @override
+  String get nfcWriteSuccess => 'トークンをNFCタグに書き込みました';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'NFC書き込みエラー: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'NFC読み取りエラー: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFCが無効です。設定で有効にしてください。';
+
+  @override
+  String get nfcUnsupported => 'このデバイスはNFCに対応していません';
+
   @override
   String get amountToDeposit => '入金額：';
 
@@ -665,7 +703,7 @@ class L10nJa extends L10n {
   String get close => '閉じる';
 
   @override
-  String get aboutDescription => 'キューバのDNAを持つ世界のためのCashuウォレット。La Chispaの兄弟。';
+  String get aboutDescription => 'キューバのDNAを持つ世界のためのCashuウォレット。LaChispaの兄弟。';
 
   @override
   String get couldNotOpenLink => 'リンクを開けませんでした';
@@ -677,7 +715,8 @@ class L10nJa extends L10n {
   String get actionIrreversible => 'この操作は取り消せません';
 
   @override
-  String get deleteWalletWarning => 'シードフレーズとトークンを含むすべてのデータが削除されます。バックアップがあることを確認してください。';
+  String get deleteWalletWarning =>
+      'シードフレーズとトークンを含むすべてのデータが削除されます。バックアップがあることを確認してください。';
 
   @override
   String get typeDeleteToConfirm => '確認のため「DELETE」と入力：';
@@ -694,7 +733,8 @@ class L10nJa extends L10n {
   String get recoverTokensTitle => 'トークンを復元';
 
   @override
-  String get recoverTokensDescription => 'シードフレーズに関連付けられたトークンを復元するためにMintをスキャン（NUT-13）';
+  String get recoverTokensDescription =>
+      'シードフレーズに関連付けられたトークンを復元するためにMintをスキャン（NUT-13）';
 
   @override
   String get useCurrentSeedPhrase => '現在のシードフレーズを使用';
@@ -899,7 +939,8 @@ class L10nJa extends L10n {
   String get noConnectionTokenSaved => '接続なし。トークンを保存しました。後で請求できます。';
 
   @override
-  String get unknownMintOffline => 'このトークンは不明なMintからのものです。インターネットに接続してMintを追加し、トークンを請求してください。';
+  String get unknownMintOffline =>
+      'このトークンは不明なMintからのものです。インターネットに接続してMintを追加し、トークンを請求してください。';
 
   @override
   String get noConnectionTryLater => 'Mintに接続できません。後でもう一度お試しください。';
@@ -1009,7 +1050,8 @@ class L10nJa extends L10n {
   String get p2pkExperimental => 'P2PKは実験的機能です。注意してご使用ください。';
 
   @override
-  String get p2pkPendingSendWarning => '保留中のP2PK送信があります。受取人がトークンを受け取った後、履歴で更新してください。';
+  String get p2pkPendingSendWarning =>
+      '保留中のP2PK送信があります。受取人がトークンを受け取った後、履歴で更新してください。';
 
   @override
   String get p2pkExperimentalShort => '実験的';

lib/l10n/app_localizations_ko.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nKo extends L10n {
   String get generatingSeed => '시드 문구를 안전하게 생성 중';
 
   @override
-  String get createWalletDescription => '12개의 단어로 된 시드 문구가 생성됩니다.\n안전한 곳에 보관하세요.';
+  String get createWalletDescription =>
+      '12개의 단어로 된 시드 문구가 생성됩니다.\n안전한 곳에 보관하세요.';
 
   @override
   String get generateWallet => '지갑 생성';
@@ -69,7 +70,8 @@ class L10nKo extends L10n {
   String get walletCreated => '지갑이 생성되었습니다!';
 
   @override
-  String get walletCreatedDescription => '지갑이 준비되었습니다. 지금 시드 문구를 백업하는 것을 권장합니다.';
+  String get walletCreatedDescription =>
+      '지갑이 준비되었습니다. 지금 시드 문구를 백업하는 것을 권장합니다.';
 
   @override
   String get backupWarning => '백업 없이는 기기를 분실하면 자금에 접근할 수 없습니다.';
@@ -87,7 +89,8 @@ class L10nKo extends L10n {
   String get seedPhraseTitle => '시드 문구';
 
   @override
-  String get seedPhraseDescription => '이 12개의 단어를 순서대로 저장하세요. 지갑을 복구하는 유일한 방법입니다.';
+  String get seedPhraseDescription =>
+      '이 12개의 단어를 순서대로 저장하세요. 지갑을 복구하는 유일한 방법입니다.';
 
   @override
   String get revealSeedPhrase => '시드 문구 보기';
@@ -315,6 +318,43 @@ class L10nKo extends L10n {
   @override
   String get tokenCopiedToClipboard => '토큰이 클립보드에 복사되었습니다';
 
+  @override
+  String get copyAsEmoji => '이모지로 복사';
+
+  @override
+  String get emojiCopiedToClipboard => '토큰이 이모지로 복사되었습니다 🥜';
+
+  @override
+  String get peanutDecodeError => '이모지 토큰을 디코딩할 수 없습니다. 손상되었을 수 있습니다.';
+
+  @override
+  String get nfcWrite => 'NFC 태그에 쓰기';
+
+  @override
+  String get nfcRead => 'NFC 태그 읽기';
+
+  @override
+  String get nfcHoldNear => '기기를 NFC 태그에 가까이 대세요...';
+
+  @override
+  String get nfcWriteSuccess => '토큰이 NFC 태그에 기록되었습니다';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'NFC 쓰기 오류: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'NFC 읽기 오류: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC가 비활성화되어 있습니다. 설정에서 활성화하세요.';
+
+  @override
+  String get nfcUnsupported => '이 기기는 NFC를 지원하지 않습니다';
+
   @override
   String get amountToDeposit => '입금할 금액:';
 
@@ -665,7 +705,7 @@ class L10nKo extends L10n {
   String get close => '닫기';
 
   @override
-  String get aboutDescription => '전 세계를 위한 쿠바 DNA를 가진 Cashu 지갑. La Chispa의 형제.';
+  String get aboutDescription => '전 세계를 위한 쿠바 DNA를 가진 Cashu 지갑. LaChispa의 형제.';
 
   @override
   String get couldNotOpenLink => '링크를 열 수 없음';
@@ -677,7 +717,8 @@ class L10nKo extends L10n {
   String get actionIrreversible => '이 작업은 되돌릴 수 없습니다';
 
   @override
-  String get deleteWalletWarning => '시드 문구와 토큰을 포함한 모든 데이터가 삭제됩니다. 백업이 있는지 확인하세요.';
+  String get deleteWalletWarning =>
+      '시드 문구와 토큰을 포함한 모든 데이터가 삭제됩니다. 백업이 있는지 확인하세요.';
 
   @override
   String get typeDeleteToConfirm => '확인하려면 \"삭제\"를 입력하세요:';
@@ -694,7 +735,8 @@ class L10nKo extends L10n {
   String get recoverTokensTitle => '토큰 복구';
 
   @override
-  String get recoverTokensDescription => '시드 문구와 연결된 토큰을 복구하기 위해 mint 스캔 (NUT-13)';
+  String get recoverTokensDescription =>
+      '시드 문구와 연결된 토큰을 복구하기 위해 mint 스캔 (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => '현재 시드 문구 사용';
@@ -899,7 +941,8 @@ class L10nKo extends L10n {
   String get noConnectionTokenSaved => '연결 없음. 나중에 청구하기 위해 토큰이 저장되었습니다.';
 
   @override
-  String get unknownMintOffline => '이 토큰은 알 수 없는 mint의 것입니다. 인터넷에 연결하여 추가하고 토큰을 청구하세요.';
+  String get unknownMintOffline =>
+      '이 토큰은 알 수 없는 mint의 것입니다. 인터넷에 연결하여 추가하고 토큰을 청구하세요.';
 
   @override
   String get noConnectionTryLater => 'Mint에 연결할 수 없음. 나중에 다시 시도하세요.';
@@ -1009,7 +1052,8 @@ class L10nKo extends L10n {
   String get p2pkExperimental => 'P2PK는 실험적 기능입니다. 주의하여 사용하세요.';
 
   @override
-  String get p2pkPendingSendWarning => '대기 중인 P2PK 전송이 있습니다. 수신자가 토큰을 수령한 후 기록에서 새로고침하세요.';
+  String get p2pkPendingSendWarning =>
+      '대기 중인 P2PK 전송이 있습니다. 수신자가 토큰을 수령한 후 기록에서 새로고침하세요.';
 
   @override
   String get p2pkExperimentalShort => '실험적';

lib/l10n/app_localizations_pt.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nPt extends L10n {
   String get generatingSeed => 'Gerando sua frase semente de forma segura';
 
   @override
-  String get createWalletDescription => 'Uma frase semente de 12 palavras será gerada.\nGuarde-a em um lugar seguro.';
+  String get createWalletDescription =>
+      'Uma frase semente de 12 palavras será gerada.\nGuarde-a em um lugar seguro.';
 
   @override
   String get generateWallet => 'Gerar wallet';
@@ -69,10 +70,12 @@ class L10nPt extends L10n {
   String get walletCreated => 'Wallet criada!';
 
   @override
-  String get walletCreatedDescription => 'Sua wallet está pronta. Recomendamos fazer backup da sua frase semente agora.';
+  String get walletCreatedDescription =>
+      'Sua wallet está pronta. Recomendamos fazer backup da sua frase semente agora.';
 
   @override
-  String get backupWarning => 'Sem backup, você perderá acesso aos seus fundos se perder o dispositivo.';
+  String get backupWarning =>
+      'Sem backup, você perderá acesso aos seus fundos se perder o dispositivo.';
 
   @override
   String get backupNow => 'Fazer backup agora';
@@ -87,7 +90,8 @@ class L10nPt extends L10n {
   String get seedPhraseTitle => 'Sua frase semente';
 
   @override
-  String get seedPhraseDescription => 'Guarde estas 12 palavras em ordem. Elas são a única forma de recuperar sua wallet.';
+  String get seedPhraseDescription =>
+      'Guarde estas 12 palavras em ordem. Elas são a única forma de recuperar sua wallet.';
 
   @override
   String get revealSeedPhrase => 'Revelar frase semente';
@@ -102,7 +106,8 @@ class L10nPt extends L10n {
   String get seedCopied => 'Frase copiada para área de transferência';
 
   @override
-  String get neverShareSeed => 'Nunca compartilhe sua frase semente com ninguém.';
+  String get neverShareSeed =>
+      'Nunca compartilhe sua frase semente com ninguém.';
 
   @override
   String get confirmBackup => 'Guardei minha frase semente em um lugar seguro';
@@ -117,7 +122,8 @@ class L10nPt extends L10n {
   String get enterSeedPhrase => 'Digite sua frase semente';
 
   @override
-  String get enterSeedDescription => 'Digite as 12 ou 24 palavras separadas por espaços.';
+  String get enterSeedDescription =>
+      'Digite as 12 ou 24 palavras separadas por espaços.';
 
   @override
   String get seedPlaceholder => 'palavra1 palavra2 palavra3 ...';
@@ -310,10 +316,50 @@ class L10nPt extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Guarde este token até que o destinatário o resgate. Se você perdê-lo, perderá os fundos.';
+  String get keepTokenWarning =>
+      'Guarde este token até que o destinatário o resgate. Se você perdê-lo, perderá os fundos.';
 
   @override
-  String get tokenCopiedToClipboard => 'Token copiado para área de transferência';
+  String get tokenCopiedToClipboard =>
+      'Token copiado para área de transferência';
+
+  @override
+  String get copyAsEmoji => 'Copiar como emoji';
+
+  @override
+  String get emojiCopiedToClipboard => 'Token copiado como emoji 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Não foi possível decodificar o token emoji. Pode estar corrompido.';
+
+  @override
+  String get nfcWrite => 'Escrever em tag NFC';
+
+  @override
+  String get nfcRead => 'Ler tag NFC';
+
+  @override
+  String get nfcHoldNear => 'Aproxime o dispositivo da tag NFC...';
+
+  @override
+  String get nfcWriteSuccess => 'Token escrito na tag NFC';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'Erro NFC ao escrever: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'Erro NFC ao ler: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC está desativado. Ative nas Configurações.';
+
+  @override
+  String get nfcUnsupported => 'Este dispositivo não suporta NFC';
 
   @override
   String get amountToDeposit => 'Valor a depositar:';
@@ -364,7 +410,8 @@ class L10nPt extends L10n {
   String get description => 'Descrição:';
 
   @override
-  String get invoiceCopiedToClipboard => 'Invoice copiado para área de transferência';
+  String get invoiceCopiedToClipboard =>
+      'Invoice copiado para área de transferência';
 
   @override
   String deposited(String amount, String unit) {
@@ -450,7 +497,8 @@ class L10nPt extends L10n {
   String get noPendingTransactions => 'Sem transações pendentes';
 
   @override
-  String get allTransactionsCompleted => 'Todas as suas transações estão completas';
+  String get allTransactionsCompleted =>
+      'Todas as suas transações estão completas';
 
   @override
   String get noEcashTransactions => 'Sem transações Ecash';
@@ -665,7 +713,8 @@ class L10nPt extends L10n {
   String get close => 'Fechar';
 
   @override
-  String get aboutDescription => 'Uma wallet Cashu com DNA cubano para o mundo inteiro. Irmã de La Chispa.';
+  String get aboutDescription =>
+      'Uma wallet Cashu com DNA cubano para o mundo inteiro. Irmã de LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Não foi possível abrir o link';
@@ -677,7 +726,8 @@ class L10nPt extends L10n {
   String get actionIrreversible => 'Esta ação é irreversível';
 
   @override
-  String get deleteWalletWarning => 'Todos os dados serão excluídos, incluindo sua frase semente e tokens. Certifique-se de ter um backup.';
+  String get deleteWalletWarning =>
+      'Todos os dados serão excluídos, incluindo sua frase semente e tokens. Certifique-se de ter um backup.';
 
   @override
   String get typeDeleteToConfirm => 'Digite \"APAGAR\" para confirmar:';
@@ -694,7 +744,8 @@ class L10nPt extends L10n {
   String get recoverTokensTitle => 'Recuperar tokens';
 
   @override
-  String get recoverTokensDescription => 'Escanear mints para recuperar tokens associados à sua frase semente (NUT-13)';
+  String get recoverTokensDescription =>
+      'Escanear mints para recuperar tokens associados à sua frase semente (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Usar minha frase semente atual';
@@ -720,7 +771,8 @@ class L10nPt extends L10n {
   String get specificMint => 'Um mint específico';
 
   @override
-  String get enterMnemonicWords => 'Digite as 12 palavras separadas por espaços...';
+  String get enterMnemonicWords =>
+      'Digite as 12 palavras separadas por espaços...';
 
   @override
   String get scanMints => 'Escanear mints';
@@ -740,7 +792,8 @@ class L10nPt extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Escaneamento completo. Nenhum token novo encontrado.';
+  String get scanCompleteNoTokens =>
+      'Escaneamento completo. Nenhum token novo encontrado.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +816,8 @@ class L10nPt extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'Nenhum token encontrado associado a esse mnemônico.';
+  String get noTokensForMnemonic =>
+      'Nenhum token encontrado associado a esse mnemônico.';
 
   @override
   String get noConnectedMints => 'Nenhum mint conectado';
@@ -843,7 +897,8 @@ class L10nPt extends L10n {
   String get deleteMintConfirmTitle => 'Excluir mint';
 
   @override
-  String get deleteMintConfirmMessage => 'Se você tiver saldo neste mint, ele será perdido. Tem certeza?';
+  String get deleteMintConfirmMessage =>
+      'Se você tiver saldo neste mint, ele será perdido. Tem certeza?';
 
   @override
   String get delete => 'Excluir';
@@ -896,10 +951,12 @@ class L10nPt extends L10n {
   String get tokenSavedForLater => 'Token salvo para resgatar depois';
 
   @override
-  String get noConnectionTokenSaved => 'Sem conexão. Token salvo para resgatar depois.';
+  String get noConnectionTokenSaved =>
+      'Sem conexão. Token salvo para resgatar depois.';
 
   @override
-  String get unknownMintOffline => 'Este token é de um mint desconhecido. Conecte-se à internet para adicioná-lo e resgatar o token.';
+  String get unknownMintOffline =>
+      'Este token é de um mint desconhecido. Conecte-se à internet para adicioná-lo e resgatar o token.';
 
   @override
   String get noConnectionTryLater => 'Sem conexão ao mint. Tente mais tarde.';
@@ -908,7 +965,8 @@ class L10nPt extends L10n {
   String get saveTokenError => 'Erro ao salvar o token. Tente novamente.';
 
   @override
-  String get pendingTokenLimitReached => 'Limite de tokens pendentes atingido (máx 50)';
+  String get pendingTokenLimitReached =>
+      'Limite de tokens pendentes atingido (máx 50)';
 
   @override
   String get filterToReceive => 'Para receber';
@@ -985,10 +1043,12 @@ class L10nPt extends L10n {
   String get unrecognizedQrCode => 'Código QR não reconhecido';
 
   @override
-  String get scanCashuTokenHint => 'Escaneie um token Cashu (cashuA... ou cashuB...)';
+  String get scanCashuTokenHint =>
+      'Escaneie um token Cashu (cashuA... ou cashuB...)';
 
   @override
-  String get scanLightningInvoiceHint => 'Escaneie um invoice Lightning (lnbc...)';
+  String get scanLightningInvoiceHint =>
+      'Escaneie um invoice Lightning (lnbc...)';
 
   @override
   String get addMintQuestion => 'Adicionar este mint?';
@@ -997,7 +1057,8 @@ class L10nPt extends L10n {
   String get cameraPermissionDenied => 'Permissão de câmera negada';
 
   @override
-  String get paymentRequestNotSupported => 'Solicitações de pagamento ainda não são suportadas';
+  String get paymentRequestNotSupported =>
+      'Solicitações de pagamento ainda não são suportadas';
 
   @override
   String get p2pkTitle => 'Chaves P2PK';
@@ -1009,7 +1070,8 @@ class L10nPt extends L10n {
   String get p2pkExperimental => 'P2PK é experimental. Use com cautela.';
 
   @override
-  String get p2pkPendingSendWarning => 'Você tem um envio P2PK pendente. Vá ao histórico e atualize após o destinatário resgatar o token.';
+  String get p2pkPendingSendWarning =>
+      'Você tem um envio P2PK pendente. Vá ao histórico e atualize após o destinatário resgatar o token.';
 
   @override
   String get p2pkExperimentalShort => 'Experimental';
@@ -1066,7 +1128,8 @@ class L10nPt extends L10n {
   String get p2pkLockedToOther => 'Bloqueado para outra chave';
 
   @override
-  String get p2pkCannotUnlock => 'Você não tem a chave para desbloquear este token';
+  String get p2pkCannotUnlock =>
+      'Você não tem a chave para desbloquear este token';
 
   @override
   String get p2pkEnterPrivateKey => 'Digite a chave privada (nsec)';
@@ -1075,13 +1138,15 @@ class L10nPt extends L10n {
   String get p2pkDeleteTitle => 'Excluir chave';
 
   @override
-  String get p2pkDeleteConfirm => 'Excluir esta chave? Você não poderá receber tokens bloqueados para ela.';
+  String get p2pkDeleteConfirm =>
+      'Excluir esta chave? Você não poderá receber tokens bloqueados para ela.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK requer conexão com o mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Número máximo de chaves importadas atingido (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Número máximo de chaves importadas atingido (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'nsec inválido';
@@ -1093,5 +1158,6 @@ class L10nPt extends L10n {
   String get p2pkErrorKeyNotFound => 'Chave não encontrada';
 
   @override
-  String get p2pkErrorCannotDeletePrimary => 'Não é possível excluir a chave principal';
+  String get p2pkErrorCannotDeletePrimary =>
+      'Não é possível excluir a chave principal';
 }

lib/l10n/app_localizations_ru.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -33,7 +33,8 @@ class L10nRu extends L10n {
   String get loadingMessage6 => 'Go full Calle...';
 
   @override
-  String get loadingMessage7 => 'Cashu + Bitchat = Конфиденциальность + Свобода';
+  String get loadingMessage7 =>
+      'Cashu + Bitchat = Конфиденциальность + Свобода';
 
   @override
   String get aboutTagline => 'Конфиденциальность без границ.';
@@ -60,7 +61,8 @@ class L10nRu extends L10n {
   String get generatingSeed => 'Безопасная генерация вашей сид-фразы';
 
   @override
-  String get createWalletDescription => 'Будет сгенерирована сид-фраза из 12 слов.\nСохраните её в безопасном месте.';
+  String get createWalletDescription =>
+      'Будет сгенерирована сид-фраза из 12 слов.\nСохраните её в безопасном месте.';
 
   @override
   String get generateWallet => 'Создать кошелёк';
@@ -69,10 +71,12 @@ class L10nRu extends L10n {
   String get walletCreated => 'Кошелёк создан!';
 
   @override
-  String get walletCreatedDescription => 'Ваш кошелёк готов. Рекомендуем сделать резервную копию сид-фразы сейчас.';
+  String get walletCreatedDescription =>
+      'Ваш кошелёк готов. Рекомендуем сделать резервную копию сид-фразы сейчас.';
 
   @override
-  String get backupWarning => 'Без резервной копии вы потеряете доступ к средствам при потере устройства.';
+  String get backupWarning =>
+      'Без резервной копии вы потеряете доступ к средствам при потере устройства.';
 
   @override
   String get backupNow => 'Сделать резервную копию';
@@ -87,7 +91,8 @@ class L10nRu extends L10n {
   String get seedPhraseTitle => 'Ваша сид-фраза';
 
   @override
-  String get seedPhraseDescription => 'Сохраните эти 12 слов по порядку. Это единственный способ восстановить кошелёк.';
+  String get seedPhraseDescription =>
+      'Сохраните эти 12 слов по порядку. Это единственный способ восстановить кошелёк.';
 
   @override
   String get revealSeedPhrase => 'Показать сид-фразу';
@@ -310,11 +315,50 @@ class L10nRu extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Сохраните этот токен, пока получатель не заберёт его. Если потеряете — потеряете средства.';
+  String get keepTokenWarning =>
+      'Сохраните этот токен, пока получатель не заберёт его. Если потеряете — потеряете средства.';
 
   @override
   String get tokenCopiedToClipboard => 'Токен скопирован в буфер обмена';
 
+  @override
+  String get copyAsEmoji => 'Скопировать как эмодзи';
+
+  @override
+  String get emojiCopiedToClipboard => 'Токен скопирован как эмодзи 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Не удалось декодировать эмодзи-токен. Возможно, он повреждён.';
+
+  @override
+  String get nfcWrite => 'Записать на NFC-метку';
+
+  @override
+  String get nfcRead => 'Читать NFC-метку';
+
+  @override
+  String get nfcHoldNear => 'Поднесите устройство к NFC-метке...';
+
+  @override
+  String get nfcWriteSuccess => 'Токен записан на NFC-метку';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'Ошибка записи NFC: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'Ошибка чтения NFC: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC отключён. Включите в Настройках.';
+
+  @override
+  String get nfcUnsupported => 'Это устройство не поддерживает NFC';
+
   @override
   String get amountToDeposit => 'Сумма для пополнения:';
 
@@ -384,7 +428,8 @@ class L10nRu extends L10n {
   String get invalidInvoice => 'Недействительный счёт';
 
   @override
-  String get invalidInvoiceMalformed => 'Недействительный или повреждённый счёт';
+  String get invalidInvoiceMalformed =>
+      'Недействительный или повреждённый счёт';
 
   @override
   String get feeReserved => 'Зарезервированная комиссия:';
@@ -462,7 +507,8 @@ class L10nRu extends L10n {
   String get noLightningTransactions => 'Нет Lightning транзакций';
 
   @override
-  String get depositOrWithdrawLightning => 'Пополните или выведите через Lightning';
+  String get depositOrWithdrawLightning =>
+      'Пополните или выведите через Lightning';
 
   @override
   String get pendingStatus => 'Ожидание';
@@ -665,7 +711,8 @@ class L10nRu extends L10n {
   String get close => 'Закрыть';
 
   @override
-  String get aboutDescription => 'Cashu кошелёк с кубинской ДНК для всего мира. Брат La Chispa.';
+  String get aboutDescription =>
+      'Cashu кошелёк с кубинской ДНК для всего мира. Брат LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Не удалось открыть ссылку';
@@ -677,7 +724,8 @@ class L10nRu extends L10n {
   String get actionIrreversible => 'Это действие необратимо';
 
   @override
-  String get deleteWalletWarning => 'Все данные будут удалены, включая сид-фразу и токены. Убедитесь, что у вас есть резервная копия.';
+  String get deleteWalletWarning =>
+      'Все данные будут удалены, включая сид-фразу и токены. Убедитесь, что у вас есть резервная копия.';
 
   @override
   String get typeDeleteToConfirm => 'Введите \"УДАЛИТЬ\" для подтверждения:';
@@ -694,7 +742,8 @@ class L10nRu extends L10n {
   String get recoverTokensTitle => 'Восстановить токены';
 
   @override
-  String get recoverTokensDescription => 'Сканировать mint для восстановления токенов, связанных с вашей сид-фразой (NUT-13)';
+  String get recoverTokensDescription =>
+      'Сканировать mint для восстановления токенов, связанных с вашей сид-фразой (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Использовать текущую сид-фразу';
@@ -729,7 +778,8 @@ class L10nRu extends L10n {
   String get selectMintToScan => 'Выберите mint для сканирования';
 
   @override
-  String get mnemonicMustHaveWords => 'Мнемоника должна содержать 12 или 24 слова';
+  String get mnemonicMustHaveWords =>
+      'Мнемоника должна содержать 12 или 24 слова';
 
   @override
   String get noConnectedMintsToScan => 'Нет подключённых mint для сканирования';
@@ -740,7 +790,8 @@ class L10nRu extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Сканирование завершено. Новых токенов не найдено.';
+  String get scanCompleteNoTokens =>
+      'Сканирование завершено. Новых токенов не найдено.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +814,8 @@ class L10nRu extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'Токены, связанные с этой мнемоникой, не найдены.';
+  String get noTokensForMnemonic =>
+      'Токены, связанные с этой мнемоникой, не найдены.';
 
   @override
   String get noConnectedMints => 'Нет подключённых mint';
@@ -843,7 +895,8 @@ class L10nRu extends L10n {
   String get deleteMintConfirmTitle => 'Удалить mint';
 
   @override
-  String get deleteMintConfirmMessage => 'Если у вас есть баланс на этом mint, он будет потерян. Вы уверены?';
+  String get deleteMintConfirmMessage =>
+      'Если у вас есть баланс на этом mint, он будет потерян. Вы уверены?';
 
   @override
   String get delete => 'Удалить';
@@ -896,10 +949,12 @@ class L10nRu extends L10n {
   String get tokenSavedForLater => 'Токен сохранён для получения позже';
 
   @override
-  String get noConnectionTokenSaved => 'Нет соединения. Токен сохранён для получения позже.';
+  String get noConnectionTokenSaved =>
+      'Нет соединения. Токен сохранён для получения позже.';
 
   @override
-  String get unknownMintOffline => 'Этот токен от неизвестного mint. Подключитесь к интернету, чтобы добавить его и получить токен.';
+  String get unknownMintOffline =>
+      'Этот токен от неизвестного mint. Подключитесь к интернету, чтобы добавить его и получить токен.';
 
   @override
   String get noConnectionTryLater => 'Нет соединения с mint. Попробуйте позже.';
@@ -908,7 +963,8 @@ class L10nRu extends L10n {
   String get saveTokenError => 'Ошибка сохранения токена. Попробуйте снова.';
 
   @override
-  String get pendingTokenLimitReached => 'Достигнут лимит ожидающих токенов (макс 50)';
+  String get pendingTokenLimitReached =>
+      'Достигнут лимит ожидающих токенов (макс 50)';
 
   @override
   String get filterToReceive => 'К получению';
@@ -985,7 +1041,8 @@ class L10nRu extends L10n {
   String get unrecognizedQrCode => 'Нераспознанный QR-код';
 
   @override
-  String get scanCashuTokenHint => 'Сканируйте Cashu токен (cashuA... или cashuB...)';
+  String get scanCashuTokenHint =>
+      'Сканируйте Cashu токен (cashuA... или cashuB...)';
 
   @override
   String get scanLightningInvoiceHint => 'Сканируйте Lightning счёт (lnbc...)';
@@ -997,7 +1054,8 @@ class L10nRu extends L10n {
   String get cameraPermissionDenied => 'Доступ к камере запрещён';
 
   @override
-  String get paymentRequestNotSupported => 'Запросы на оплату пока не поддерживаются';
+  String get paymentRequestNotSupported =>
+      'Запросы на оплату пока не поддерживаются';
 
   @override
   String get p2pkTitle => 'Ключи P2PK';
@@ -1006,10 +1064,12 @@ class L10nRu extends L10n {
   String get p2pkSettingsDescription => 'Получить заблокированный ecash';
 
   @override
-  String get p2pkExperimental => 'P2PK экспериментальный. Используйте с осторожностью.';
+  String get p2pkExperimental =>
+      'P2PK экспериментальный. Используйте с осторожностью.';
 
   @override
-  String get p2pkPendingSendWarning => 'У вас есть ожидающая отправка P2PK. Перейдите в историю и обновите после того, как получатель заберёт токен.';
+  String get p2pkPendingSendWarning =>
+      'У вас есть ожидающая отправка P2PK. Перейдите в историю и обновите после того, как получатель заберёт токен.';
 
   @override
   String get p2pkExperimentalShort => 'Экспериментальный';
@@ -1066,7 +1126,8 @@ class L10nRu extends L10n {
   String get p2pkLockedToOther => 'Заблокировано для другого ключа';
 
   @override
-  String get p2pkCannotUnlock => 'У вас нет ключа для разблокировки этого токена';
+  String get p2pkCannotUnlock =>
+      'У вас нет ключа для разблокировки этого токена';
 
   @override
   String get p2pkEnterPrivateKey => 'Введите приватный ключ (nsec)';
@@ -1075,13 +1136,15 @@ class L10nRu extends L10n {
   String get p2pkDeleteTitle => 'Удалить ключ';
 
   @override
-  String get p2pkDeleteConfirm => 'Удалить этот ключ? Вы не сможете получать токены заблокированные на него.';
+  String get p2pkDeleteConfirm =>
+      'Удалить этот ключ? Вы не сможете получать токены заблокированные на него.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK требует подключения к mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Достигнуто максимальное количество импортированных ключей (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Достигнуто максимальное количество импортированных ключей (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'Недействительный nsec';

lib/l10n/app_localizations_sw.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -60,7 +60,8 @@ class L10nSw extends L10n {
   String get generatingSeed => 'Kutengeneza maneno yako ya mbegu kwa usalama';
 
   @override
-  String get createWalletDescription => 'Maneno 12 ya mbegu yatatengenezwa.\nYahifadhi mahali salama.';
+  String get createWalletDescription =>
+      'Maneno 12 ya mbegu yatatengenezwa.\nYahifadhi mahali salama.';
 
   @override
   String get generateWallet => 'Tengeneza pochi';
@@ -69,10 +70,12 @@ class L10nSw extends L10n {
   String get walletCreated => 'Pochi imeundwa!';
 
   @override
-  String get walletCreatedDescription => 'Pochi yako iko tayari. Tunakushauri uhifadhi nakala ya maneno yako ya mbegu sasa.';
+  String get walletCreatedDescription =>
+      'Pochi yako iko tayari. Tunakushauri uhifadhi nakala ya maneno yako ya mbegu sasa.';
 
   @override
-  String get backupWarning => 'Bila nakala, utapoteza uwezo wa kufikia fedha zako ukipoteza kifaa.';
+  String get backupWarning =>
+      'Bila nakala, utapoteza uwezo wa kufikia fedha zako ukipoteza kifaa.';
 
   @override
   String get backupNow => 'Hifadhi nakala sasa';
@@ -87,7 +90,8 @@ class L10nSw extends L10n {
   String get seedPhraseTitle => 'Maneno yako ya mbegu';
 
   @override
-  String get seedPhraseDescription => 'Hifadhi maneno haya 12 kwa mpangilio. Ndiyo njia pekee ya kurejesha pochi yako.';
+  String get seedPhraseDescription =>
+      'Hifadhi maneno haya 12 kwa mpangilio. Ndiyo njia pekee ya kurejesha pochi yako.';
 
   @override
   String get revealSeedPhrase => 'Onyesha maneno ya mbegu';
@@ -117,7 +121,8 @@ class L10nSw extends L10n {
   String get enterSeedPhrase => 'Ingiza maneno yako ya mbegu';
 
   @override
-  String get enterSeedDescription => 'Andika maneno 12 au 24 yakitengwa na nafasi.';
+  String get enterSeedDescription =>
+      'Andika maneno 12 au 24 yakitengwa na nafasi.';
 
   @override
   String get seedPlaceholder => 'neno1 neno2 neno3 ...';
@@ -273,7 +278,8 @@ class L10nSw extends L10n {
   String get noActiveMint => 'Hakuna mint inayofanya kazi';
 
   @override
-  String get offlineModeMessage => 'Hakuna muunganisho. Kutumia hali ya nje ya mtandao...';
+  String get offlineModeMessage =>
+      'Hakuna muunganisho. Kutumia hali ya nje ya mtandao...';
 
   @override
   String get confirmSend => 'Thibitisha kutuma';
@@ -310,11 +316,50 @@ class L10nSw extends L10n {
   }
 
   @override
-  String get keepTokenWarning => 'Hifadhi tokeni hii hadi mpokeaji aidai. Ukiipoteza, utapoteza fedha.';
+  String get keepTokenWarning =>
+      'Hifadhi tokeni hii hadi mpokeaji aidai. Ukiipoteza, utapoteza fedha.';
 
   @override
   String get tokenCopiedToClipboard => 'Tokeni imenakiliwa kwenye ubao';
 
+  @override
+  String get copyAsEmoji => 'Nakili kama emoji';
+
+  @override
+  String get emojiCopiedToClipboard => 'Tokeni imenakiliwa kama emoji 🥜';
+
+  @override
+  String get peanutDecodeError =>
+      'Imeshindwa kusimbua tokeni ya emoji. Inaweza kuwa imeharibika.';
+
+  @override
+  String get nfcWrite => 'Andika kwenye NFC tag';
+
+  @override
+  String get nfcRead => 'Soma NFC tag';
+
+  @override
+  String get nfcHoldNear => 'Karibia kifaa kwenye NFC tag...';
+
+  @override
+  String get nfcWriteSuccess => 'Tokeni imeandikwa kwenye NFC tag';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'Hitilafu ya NFC kuandika: $error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'Hitilafu ya NFC kusoma: $error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC imezimwa. Iwashe katika Mipangilio.';
+
+  @override
+  String get nfcUnsupported => 'Kifaa hiki hakitumii NFC';
+
   @override
   String get amountToDeposit => 'Kiasi cha kuweka:';
 
@@ -665,7 +710,8 @@ class L10nSw extends L10n {
   String get close => 'Funga';
 
   @override
-  String get aboutDescription => 'Pochi ya Cashu yenye DNA ya Cuba kwa ulimwengu wote. Ndugu wa La Chispa.';
+  String get aboutDescription =>
+      'Pochi ya Cashu yenye DNA ya Cuba kwa ulimwengu wote. Ndugu wa LaChispa.';
 
   @override
   String get couldNotOpenLink => 'Haikuweza kufungua kiungo';
@@ -677,7 +723,8 @@ class L10nSw extends L10n {
   String get actionIrreversible => 'Kitendo hiki hakiwezi kutenduliwa';
 
   @override
-  String get deleteWalletWarning => 'Data zote zitafutwa ikiwa ni pamoja na maneno yako ya mbegu na tokeni. Hakikisha una nakala.';
+  String get deleteWalletWarning =>
+      'Data zote zitafutwa ikiwa ni pamoja na maneno yako ya mbegu na tokeni. Hakikisha una nakala.';
 
   @override
   String get typeDeleteToConfirm => 'Andika \"FUTA\" kuthibitisha:';
@@ -694,13 +741,15 @@ class L10nSw extends L10n {
   String get recoverTokensTitle => 'Rejesha tokeni';
 
   @override
-  String get recoverTokensDescription => 'Changanua mint kurejesha tokeni zinazohusiana na maneno yako ya mbegu (NUT-13)';
+  String get recoverTokensDescription =>
+      'Changanua mint kurejesha tokeni zinazohusiana na maneno yako ya mbegu (NUT-13)';
 
   @override
   String get useCurrentSeedPhrase => 'Tumia maneno yangu ya mbegu ya sasa';
 
   @override
-  String get scanWithSavedWords => 'Changanua mint na maneno 12 yaliyohifadhiwa';
+  String get scanWithSavedWords =>
+      'Changanua mint na maneno 12 yaliyohifadhiwa';
 
   @override
   String get useOtherSeedPhrase => 'Tumia maneno mengine ya mbegu';
@@ -732,7 +781,8 @@ class L10nSw extends L10n {
   String get mnemonicMustHaveWords => 'Mnemonic lazima iwe na maneno 12 au 24';
 
   @override
-  String get noConnectedMintsToScan => 'Hakuna mint zilizounganishwa za kuchanganua';
+  String get noConnectedMintsToScan =>
+      'Hakuna mint zilizounganishwa za kuchanganua';
 
   @override
   String recoveredTokens(String tokens, int mints) {
@@ -740,7 +790,8 @@ class L10nSw extends L10n {
   }
 
   @override
-  String get scanCompleteNoTokens => 'Uchanganuzi umekamilika. Hakuna tokeni mpya zilizopatikana.';
+  String get scanCompleteNoTokens =>
+      'Uchanganuzi umekamilika. Hakuna tokeni mpya zilizopatikana.';
 
   @override
   String mintsWithError(int count) {
@@ -763,7 +814,8 @@ class L10nSw extends L10n {
   }
 
   @override
-  String get noTokensForMnemonic => 'Hakuna tokeni zilizopatikana zinazohusiana na mnemonic hiyo.';
+  String get noTokensForMnemonic =>
+      'Hakuna tokeni zilizopatikana zinazohusiana na mnemonic hiyo.';
 
   @override
   String get noConnectedMints => 'Hakuna mint zilizounganishwa';
@@ -843,7 +895,8 @@ class L10nSw extends L10n {
   String get deleteMintConfirmTitle => 'Futa mint';
 
   @override
-  String get deleteMintConfirmMessage => 'Ukiwa na salio katika mint hii, itapotea. Una uhakika?';
+  String get deleteMintConfirmMessage =>
+      'Ukiwa na salio katika mint hii, itapotea. Una uhakika?';
 
   @override
   String get delete => 'Futa';
@@ -896,19 +949,23 @@ class L10nSw extends L10n {
   String get tokenSavedForLater => 'Tokeni imehifadhiwa kudai baadaye';
 
   @override
-  String get noConnectionTokenSaved => 'Hakuna muunganisho. Tokeni imehifadhiwa kudai baadaye.';
+  String get noConnectionTokenSaved =>
+      'Hakuna muunganisho. Tokeni imehifadhiwa kudai baadaye.';
 
   @override
-  String get unknownMintOffline => 'Tokeni hii ni kutoka mint isiyojulikana. Unganisha na mtandao kuongeza na kudai tokeni.';
+  String get unknownMintOffline =>
+      'Tokeni hii ni kutoka mint isiyojulikana. Unganisha na mtandao kuongeza na kudai tokeni.';
 
   @override
-  String get noConnectionTryLater => 'Hakuna muunganisho na mint. Jaribu baadaye.';
+  String get noConnectionTryLater =>
+      'Hakuna muunganisho na mint. Jaribu baadaye.';
 
   @override
   String get saveTokenError => 'Hitilafu ya kuhifadhi tokeni. Jaribu tena.';
 
   @override
-  String get pendingTokenLimitReached => 'Kikomo cha tokeni zinazosubiri kimefikiwa (upeo 50)';
+  String get pendingTokenLimitReached =>
+      'Kikomo cha tokeni zinazosubiri kimefikiwa (upeo 50)';
 
   @override
   String get filterToReceive => 'Za kupokea';
@@ -976,7 +1033,8 @@ class L10nSw extends L10n {
   String get pointCameraAtQr => 'Elekeza kamera kwenye msimbo wa QR';
 
   @override
-  String get pointCameraAtCashuQr => 'Elekeza kamera kwenye QR ya tokeni ya Cashu';
+  String get pointCameraAtCashuQr =>
+      'Elekeza kamera kwenye QR ya tokeni ya Cashu';
 
   @override
   String get pointCameraAtInvoiceQr => 'Elekeza kamera kwenye QR ya ankara';
@@ -985,10 +1043,12 @@ class L10nSw extends L10n {
   String get unrecognizedQrCode => 'Msimbo wa QR haujatambuliwa';
 
   @override
-  String get scanCashuTokenHint => 'Changanua tokeni ya Cashu (cashuA... au cashuB...)';
+  String get scanCashuTokenHint =>
+      'Changanua tokeni ya Cashu (cashuA... au cashuB...)';
 
   @override
-  String get scanLightningInvoiceHint => 'Changanua ankara ya Lightning (lnbc...)';
+  String get scanLightningInvoiceHint =>
+      'Changanua ankara ya Lightning (lnbc...)';
 
   @override
   String get addMintQuestion => 'Ongeza mint hii?';
@@ -1009,7 +1069,8 @@ class L10nSw extends L10n {
   String get p2pkExperimental => 'P2PK ni ya majaribio. Tumia kwa uangalifu.';
 
   @override
-  String get p2pkPendingSendWarning => 'Una usafirishaji wa P2PK unaosubiri. Nenda kwenye historia na usasishe baada ya mpokeaji kudai tokeni.';
+  String get p2pkPendingSendWarning =>
+      'Una usafirishaji wa P2PK unaosubiri. Nenda kwenye historia na usasishe baada ya mpokeaji kudai tokeni.';
 
   @override
   String get p2pkExperimentalShort => 'Majaribio';
@@ -1075,13 +1136,15 @@ class L10nSw extends L10n {
   String get p2pkDeleteTitle => 'Futa ufunguo';
 
   @override
-  String get p2pkDeleteConfirm => 'Futa ufunguo huu? Hutaweza kupokea tokeni zilizofungwa kwake.';
+  String get p2pkDeleteConfirm =>
+      'Futa ufunguo huu? Hutaweza kupokea tokeni zilizofungwa kwake.';
 
   @override
   String get p2pkRequiresConnection => 'P2PK inahitaji muunganisho kwa mint';
 
   @override
-  String get p2pkErrorMaxKeysReached => 'Idadi ya juu ya funguo zilizoingizwa imefikiwa (10)';
+  String get p2pkErrorMaxKeysReached =>
+      'Idadi ya juu ya funguo zilizoingizwa imefikiwa (10)';
 
   @override
   String get p2pkErrorInvalidNsec => 'nsec batili';

lib/l10n/app_localizations_zh.dart

@@ -1,5 +1,5 @@
+// ignore: unused_import
 import 'package:intl/intl.dart' as intl;
-
 import 'app_localizations.dart';
 
 // ignore_for_file: type=lint
@@ -315,6 +315,43 @@ class L10nZh extends L10n {
   @override
   String get tokenCopiedToClipboard => '代币已复制到剪贴板';
 
+  @override
+  String get copyAsEmoji => '复制为表情符号';
+
+  @override
+  String get emojiCopiedToClipboard => '代币已复制为表情符号 🥜';
+
+  @override
+  String get peanutDecodeError => '无法解码表情符号代币。可能已损坏。';
+
+  @override
+  String get nfcWrite => '写入NFC标签';
+
+  @override
+  String get nfcRead => '读取NFC标签';
+
+  @override
+  String get nfcHoldNear => '将设备靠近NFC标签...';
+
+  @override
+  String get nfcWriteSuccess => '代币已写入NFC标签';
+
+  @override
+  String nfcWriteError(String error) {
+    return 'NFC写入错误：$error';
+  }
+
+  @override
+  String nfcReadError(String error) {
+    return 'NFC读取错误：$error';
+  }
+
+  @override
+  String get nfcDisabled => 'NFC已禁用，请在设置中启用。';
+
+  @override
+  String get nfcUnsupported => '此设备不支持NFC';
+
   @override
   String get amountToDeposit => '存入金额：';
 
@@ -665,7 +702,7 @@ class L10nZh extends L10n {
   String get close => '关闭';
 
   @override
-  String get aboutDescription => '具有古巴基因的 Cashu 钱包，面向全世界。La Chispa 的兄弟项目。';
+  String get aboutDescription => '具有古巴基因的 Cashu 钱包，面向全世界。LaChispa 的兄弟项目。';
 
   @override
   String get couldNotOpenLink => '无法打开链接';

lib/l10n/app_pt.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "Guarde este token até que o destinatário o resgate. Se você perdê-lo, perderá os fundos.",
   "tokenCopiedToClipboard": "Token copiado para área de transferência",
+  "copyAsEmoji": "Copiar como emoji",
+  "emojiCopiedToClipboard": "Token copiado como emoji 🥜",
+  "peanutDecodeError": "Não foi possível decodificar o token emoji. Pode estar corrompido.",
+
+  "nfcWrite": "Escrever em tag NFC",
+  "nfcRead": "Ler tag NFC",
+  "nfcHoldNear": "Aproxime o dispositivo da tag NFC...",
+  "nfcWriteSuccess": "Token escrito na tag NFC",
+  "nfcWriteError": "Erro NFC ao escrever: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Erro NFC ao ler: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC está desativado. Ative nas Configurações.",
+  "nfcUnsupported": "Este dispositivo não suporta NFC",
 
   "amountToDeposit": "Valor a depositar:",
   "descriptionOptional": "Descrição (opcional):",
@@ -296,7 +310,7 @@
     }
   },
   "close": "Fechar",
-  "aboutDescription": "Uma wallet Cashu com DNA cubano para o mundo inteiro. Irmã de La Chispa.",
+  "aboutDescription": "Uma wallet Cashu com DNA cubano para o mundo inteiro. Irmã de LaChispa.",
   "couldNotOpenLink": "Não foi possível abrir o link",
 
   "deleteWalletQuestion": "Apagar wallet?",

lib/l10n/app_ru.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "Сохраните этот токен, пока получатель не заберёт его. Если потеряете — потеряете средства.",
   "tokenCopiedToClipboard": "Токен скопирован в буфер обмена",
+  "copyAsEmoji": "Скопировать как эмодзи",
+  "emojiCopiedToClipboard": "Токен скопирован как эмодзи 🥜",
+  "peanutDecodeError": "Не удалось декодировать эмодзи-токен. Возможно, он повреждён.",
+
+  "nfcWrite": "Записать на NFC-метку",
+  "nfcRead": "Читать NFC-метку",
+  "nfcHoldNear": "Поднесите устройство к NFC-метке...",
+  "nfcWriteSuccess": "Токен записан на NFC-метку",
+  "nfcWriteError": "Ошибка записи NFC: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Ошибка чтения NFC: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC отключён. Включите в Настройках.",
+  "nfcUnsupported": "Это устройство не поддерживает NFC",
 
   "amountToDeposit": "Сумма для пополнения:",
   "descriptionOptional": "Описание (необязательно):",
@@ -296,7 +310,7 @@
     }
   },
   "close": "Закрыть",
-  "aboutDescription": "Cashu кошелёк с кубинской ДНК для всего мира. Брат La Chispa.",
+  "aboutDescription": "Cashu кошелёк с кубинской ДНК для всего мира. Брат LaChispa.",
   "couldNotOpenLink": "Не удалось открыть ссылку",
 
   "deleteWalletQuestion": "Удалить кошелёк?",

lib/l10n/app_sw.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "Hifadhi tokeni hii hadi mpokeaji aidai. Ukiipoteza, utapoteza fedha.",
   "tokenCopiedToClipboard": "Tokeni imenakiliwa kwenye ubao",
+  "copyAsEmoji": "Nakili kama emoji",
+  "emojiCopiedToClipboard": "Tokeni imenakiliwa kama emoji 🥜",
+  "peanutDecodeError": "Imeshindwa kusimbua tokeni ya emoji. Inaweza kuwa imeharibika.",
+
+  "nfcWrite": "Andika kwenye NFC tag",
+  "nfcRead": "Soma NFC tag",
+  "nfcHoldNear": "Karibia kifaa kwenye NFC tag...",
+  "nfcWriteSuccess": "Tokeni imeandikwa kwenye NFC tag",
+  "nfcWriteError": "Hitilafu ya NFC kuandika: {error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "Hitilafu ya NFC kusoma: {error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC imezimwa. Iwashe katika Mipangilio.",
+  "nfcUnsupported": "Kifaa hiki hakitumii NFC",
 
   "amountToDeposit": "Kiasi cha kuweka:",
   "descriptionOptional": "Maelezo (si lazima):",
@@ -296,7 +310,7 @@
     }
   },
   "close": "Funga",
-  "aboutDescription": "Pochi ya Cashu yenye DNA ya Cuba kwa ulimwengu wote. Ndugu wa La Chispa.",
+  "aboutDescription": "Pochi ya Cashu yenye DNA ya Cuba kwa ulimwengu wote. Ndugu wa LaChispa.",
   "couldNotOpenLink": "Haikuweza kufungua kiungo",
 
   "deleteWalletQuestion": "Futa pochi?",

lib/l10n/app_zh.arb

@@ -137,6 +137,20 @@
   },
   "keepTokenWarning": "请保留此代币直到收款方领取。如果丢失，资金将无法找回。",
   "tokenCopiedToClipboard": "代币已复制到剪贴板",
+  "copyAsEmoji": "复制为表情符号",
+  "emojiCopiedToClipboard": "代币已复制为表情符号 🥜",
+  "peanutDecodeError": "无法解码表情符号代币。可能已损坏。",
+
+  "nfcWrite": "写入NFC标签",
+  "nfcRead": "读取NFC标签",
+  "nfcHoldNear": "将设备靠近NFC标签...",
+  "nfcWriteSuccess": "代币已写入NFC标签",
+  "nfcWriteError": "NFC写入错误：{error}",
+  "@nfcWriteError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcReadError": "NFC读取错误：{error}",
+  "@nfcReadError": { "placeholders": { "error": { "type": "String" } } },
+  "nfcDisabled": "NFC已禁用，请在设置中启用。",
+  "nfcUnsupported": "此设备不支持NFC",
 
   "amountToDeposit": "存入金额：",
   "descriptionOptional": "描述（可选）：",
@@ -296,7 +310,7 @@
     }
   },
   "close": "关闭",
-  "aboutDescription": "具有古巴基因的 Cashu 钱包，面向全世界。La Chispa 的兄弟项目。",
+  "aboutDescription": "具有古巴基因的 Cashu 钱包，面向全世界。LaChispa 的兄弟项目。",
   "couldNotOpenLink": "无法打开链接",
 
   "deleteWalletQuestion": "删除钱包？",

lib/providers/wallet_provider.dart

@@ -1393,12 +1393,44 @@ class WalletProvider extends ChangeNotifier {
   /// Llamar en background al iniciar la app.
   /// También vincula transacciones incoming sin metadata con invoices pendientes.
   Future<void> checkPendingTransactions() async {
-    for (final wallet in _wallets.values) {
-      try {
-        await wallet.checkPendingTransactions();
-      } catch (e) {
-        // Silencioso - puede fallar offline
-        debugPrint('Check pending failed: $e');
+    // Iterar todos los mints y todas sus unidades, no solo los wallets
+    // ya instanciados. initialize() solo precarga units.first por mint,
+    // así que quotes/sagas/melts en otras unidades se perderían.
+    for (final entry in _mintUnits.entries) {
+      for (final unit in entry.value) {
+        try {
+          final wallet = await getWallet(entry.key, unit);
+
+          try {
+            // Reclamar quotes pagados pero no emitidos (Lightning → proofs)
+            await wallet.checkAllMintQuotes();
+          } catch (e) {
+            debugPrint('Check mint quotes failed: $e');
+          }
+
+          try {
+            // Recuperar sagas incompletas (swaps/mints/melts interrumpidos)
+            await wallet.recoverIncompleteSagas();
+          } catch (e) {
+            debugPrint('Recover incomplete sagas failed: $e');
+          }
+
+          try {
+            // Finalizar retiros Lightning que quedaron a medias
+            await wallet.finalizePendingMelts();
+          } catch (e) {
+            debugPrint('Finalize pending melts failed: $e');
+          }
+
+          try {
+            await wallet.checkPendingTransactions();
+          } catch (e) {
+            // Silencioso - puede fallar offline
+            debugPrint('Check pending failed: $e');
+          }
+        } catch (e) {
+          debugPrint('Error getting wallet ${entry.key}:$unit: $e');
+        }
       }
     }
 

lib/screens/4_receive/receive_screen.dart

@@ -8,6 +8,8 @@ import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
 import '../../core/utils/incoming_data_parser.dart' hide TokenInfo;
 import '../../core/utils/nostr_utils.dart';
+import '../../core/utils/peanut_codec.dart';
+import '../../core/services/nfc_service.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
@@ -46,9 +48,14 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
   bool _showManualKey = false; // Toggle para mostrar/ocultar nsec
   String? _manualKeyError;
 
+  // NFC
+  NfcState _nfcState = NfcState.unsupported;
+  bool _nfcReading = false;
+
   @override
   void initState() {
     super.initState();
+    _checkNfc();
     // Pre-cargar token inicial si existe
     if (widget.initialToken != null && widget.initialToken!.isNotEmpty) {
       WidgetsBinding.instance.addPostFrameCallback((_) {
@@ -60,11 +67,19 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
 
   @override
   void dispose() {
+    if (_nfcReading) NfcService.stopRead();
     _tokenController.dispose();
     _manualKeyController.dispose();
     super.dispose();
   }
 
+  Future<void> _checkNfc() async {
+    final state = await NfcService.checkState();
+    if (mounted) {
+      setState(() => _nfcState = state);
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     return GradientBackground(
@@ -245,6 +260,9 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
         // Botón pegar (expandido)
         Expanded(child: _buildPasteButton()),
         const SizedBox(width: 12),
+        // Botón NFC (siempre visible)
+        _buildNfcButton(),
+        const SizedBox(width: 12),
         // Botón escanear QR
         _buildScanButton(),
       ],
@@ -291,6 +309,134 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     );
   }
 
+  Widget _buildNfcButton() {
+    final isNfcEnabled = _nfcState == NfcState.enabled;
+    final isNfcUnsupported = _nfcState == NfcState.unsupported;
+
+    return Tooltip(
+      message: isNfcUnsupported
+          ? L10n.of(context)!.nfcUnsupported
+          : isNfcEnabled
+              ? L10n.of(context)!.nfcRead
+              : L10n.of(context)!.nfcDisabled,
+      child: GestureDetector(
+        onTap: _toggleNfcRead,
+        child: Opacity(
+          opacity: isNfcUnsupported ? 0.3 : 1.0,
+          child: Container(
+            padding: const EdgeInsets.all(AppDimensions.paddingSmall + 4),
+            decoration: BoxDecoration(
+              color: _nfcReading
+                  ? AppColors.primaryAction.withValues(alpha: 0.3)
+                  : Colors.white.withValues(alpha: 0.1),
+              borderRadius: BorderRadius.circular(12),
+              border: Border.all(
+                color: _nfcReading
+                    ? AppColors.primaryAction
+                    : Colors.white.withValues(alpha: 0.2),
+                width: 1,
+              ),
+            ),
+            child: Icon(
+              LucideIcons.nfc,
+              color: _nfcReading
+                  ? AppColors.primaryAction
+                  : isNfcEnabled
+                      ? AppColors.textSecondary
+                      : AppColors.textSecondary.withValues(alpha: 0.5),
+              size: 24,
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  void _toggleNfcRead() async {
+    // Cancel active session first (before state checks, in case NFC was
+    // disabled while a session was running)
+    if (_nfcReading) {
+      NfcService.stopRead();
+      setState(() => _nfcReading = false);
+      return;
+    }
+
+    // Re-check state in case user toggled NFC in settings
+    final currentState = await NfcService.checkState();
+    if (mounted) setState(() => _nfcState = currentState);
+
+    if (currentState == NfcState.unsupported) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcUnsupported),
+          backgroundColor: AppColors.textSecondary,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    if (currentState == NfcState.disabled) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcDisabled),
+          backgroundColor: AppColors.warning,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    setState(() => _nfcReading = true);
+
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(L10n.of(context)!.nfcHoldNear),
+        backgroundColor: AppColors.primaryAction,
+        behavior: SnackBarBehavior.floating,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      ),
+    );
+
+    try {
+      await NfcService.startRead(
+        onTokenRead: (token) {
+          if (!mounted) return;
+          setState(() => _nfcReading = false);
+          _tokenController.text = token;
+          _onTokenChanged(token);
+        },
+        onError: (error) {
+          if (!mounted) return;
+          setState(() => _nfcReading = false);
+          ScaffoldMessenger.of(context).showSnackBar(
+            SnackBar(
+              content: Text(L10n.of(context)!.nfcReadError(error)),
+              backgroundColor: AppColors.error,
+              behavior: SnackBarBehavior.floating,
+              shape: RoundedRectangleBorder(
+                  borderRadius: BorderRadius.circular(8)),
+            ),
+          );
+        },
+      );
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _nfcReading = false);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcReadError(e.toString())),
+          backgroundColor: AppColors.error,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+    }
+  }
+
   Widget _buildScanButton() {
     return GestureDetector(
       onTap: _openScanner,
@@ -779,9 +925,29 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
 
   Future<void> _pasteFromClipboard() async {
     final clipboardData = await Clipboard.getData(Clipboard.kTextPlain);
+    if (!mounted) return;
     if (clipboardData?.text != null) {
-      _tokenController.text = clipboardData!.text!.trim();
-      _onTokenChanged(clipboardData.text!.trim());
+      var text = clipboardData!.text!.trim();
+
+      // Auto-decode peanut emoji format
+      if (PeanutCodec.isPeanut(text)) {
+        final decoded = PeanutCodec.decode(text);
+        if (decoded != null) {
+          text = decoded;
+        } else {
+          // Malformed peanut: clear field and show specific error
+          _tokenController.clear();
+          setState(() {
+            _isValidToken = false;
+            _tokenInfo = null;
+            _errorMessage = L10n.of(context)!.peanutDecodeError;
+          });
+          return;
+        }
+      }
+
+      _tokenController.text = text;
+      _onTokenChanged(text);
     }
   }
 
@@ -789,6 +955,28 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
     final walletProvider = context.read<WalletProvider>();
     final p2pkProvider = context.read<P2PKProvider>();
 
+    // Auto-decode peanut emoji format
+    var tokenValue = value.trim();
+    if (PeanutCodec.isPeanut(tokenValue)) {
+      final decoded = PeanutCodec.decode(tokenValue);
+      if (decoded != null) {
+        tokenValue = decoded;
+        // Update the text field with the decoded token
+        _tokenController.text = tokenValue;
+        _tokenController.selection = TextSelection.collapsed(
+          offset: tokenValue.length,
+        );
+      } else {
+        // Malformed peanut: show specific error
+        setState(() {
+          _isValidToken = false;
+          _tokenInfo = null;
+          _errorMessage = L10n.of(context)!.peanutDecodeError;
+        });
+        return;
+      }
+    }
+
     setState(() {
       _errorMessage = null;
       _manualKeyError = null;
@@ -799,24 +987,24 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
       _lockedToPubkeyHex = null;
       _matchingKeyLabel = null;
 
-      if (value.isEmpty) {
+      if (tokenValue.isEmpty) {
         _isValidToken = false;
         _tokenInfo = null;
         return;
       }
 
       // Parsear token real con cdk-flutter
-      final tokenInfo = walletProvider.parseToken(value.trim());
+      final tokenInfo = walletProvider.parseToken(tokenValue);
 
       if (tokenInfo != null) {
         _isValidToken = true;
         _tokenInfo = tokenInfo;
 
         // Detectar P2PK
-        _isP2PKLocked = p2pkProvider.isTokenLocked(value.trim());
+        _isP2PKLocked = p2pkProvider.isTokenLocked(tokenValue);
         if (_isP2PKLocked) {
-          _lockedToPubkeyHex = p2pkProvider.extractLockedPubkey(value.trim());
-          _isLockedToUs = p2pkProvider.isTokenLockedToUs(value.trim());
+          _lockedToPubkeyHex = p2pkProvider.extractLockedPubkey(tokenValue);
+          _isLockedToUs = p2pkProvider.isTokenLockedToUs(tokenValue);
 
           // Si es nuestra, buscar el label de la clave
           if (_isLockedToUs && _lockedToPubkeyHex != null) {

lib/screens/5_send/share_token_screen.dart

@@ -9,6 +9,8 @@ import 'package:elcaju/l10n/app_localizations.dart';
 import '../../core/constants/colors.dart';
 import '../../core/constants/dimensions.dart';
 import '../../core/utils/formatters.dart';
+import '../../core/utils/peanut_codec.dart';
+import '../../core/services/nfc_service.dart';
 import '../../widgets/common/gradient_background.dart';
 import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/primary_button.dart';
@@ -44,18 +46,31 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
   int _currentInterval = _intervalMedium;
   String _speedLabel = 'M';
 
+  // NFC
+  NfcState _nfcState = NfcState.unsupported;
+  bool _nfcWriting = false;
+
   @override
   void initState() {
     super.initState();
     _encodeTokenToUR();
+    _checkNfc();
   }
 
   @override
   void dispose() {
     _animationTimer?.cancel();
+    if (_nfcWriting) NfcService.stopEmulating();
     super.dispose();
   }
 
+  Future<void> _checkNfc() async {
+    final state = await NfcService.checkState();
+    if (mounted) {
+      setState(() => _nfcState = state);
+    }
+  }
+
   void _encodeTokenToUR() {
     // Parsear el token string a objeto Token de cdk-flutter
     final token = cdk.Token.parse(encoded: widget.token);
@@ -155,9 +170,14 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
 
                       const SizedBox(height: AppDimensions.paddingMedium),
 
-                      // Botones copiar y compartir
+                      // Botones principales: copiar y compartir
                       _buildActionButtons(context),
 
+                      const SizedBox(height: AppDimensions.paddingSmall),
+
+                      // Botones secundarios: bean (peanut) y NFC
+                      _buildSecondaryActions(context),
+
                       const SizedBox(height: AppDimensions.paddingLarge),
 
                       // Advertencia
@@ -450,6 +470,75 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
     );
   }
 
+  Widget _buildSecondaryActions(BuildContext context) {
+    final isNfcEnabled = _nfcState == NfcState.enabled;
+    final isNfcUnsupported = _nfcState == NfcState.unsupported;
+
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        // Copiar como emoji (peanut encoding)
+        Tooltip(
+          message: L10n.of(context)!.copyAsEmoji,
+          child: GestureDetector(
+            onTap: () => _copyPeanut(context),
+            child: Container(
+              padding: const EdgeInsets.all(12),
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.07),
+                borderRadius: BorderRadius.circular(12),
+                border: Border.all(
+                  color: Colors.white.withValues(alpha: 0.1),
+                  width: 1,
+                ),
+              ),
+              child: Icon(LucideIcons.bean, color: AppColors.primaryAction, size: 20),
+            ),
+          ),
+        ),
+        const SizedBox(width: 12),
+        // NFC - siempre visible con 3 estados
+        Tooltip(
+          message: isNfcUnsupported
+              ? L10n.of(context)!.nfcUnsupported
+              : isNfcEnabled
+                  ? L10n.of(context)!.nfcWrite
+                  : L10n.of(context)!.nfcDisabled,
+          child: GestureDetector(
+            onTap: () => _writeNfc(context),
+            child: Opacity(
+              opacity: isNfcUnsupported ? 0.3 : 1.0,
+              child: Container(
+                padding: const EdgeInsets.all(12),
+                decoration: BoxDecoration(
+                  color: _nfcWriting
+                      ? AppColors.primaryAction.withValues(alpha: 0.3)
+                      : Colors.white.withValues(alpha: 0.07),
+                  borderRadius: BorderRadius.circular(12),
+                  border: Border.all(
+                    color: _nfcWriting
+                        ? AppColors.primaryAction
+                        : Colors.white.withValues(alpha: 0.1),
+                    width: 1,
+                  ),
+                ),
+                child: Icon(
+                  LucideIcons.nfc,
+                  color: _nfcWriting
+                      ? AppColors.primaryAction
+                      : isNfcEnabled
+                          ? AppColors.textSecondary
+                          : AppColors.textSecondary.withValues(alpha: 0.5),
+                  size: 20,
+                ),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
   Widget _buildWarning() {
     return Container(
       padding: const EdgeInsets.all(AppDimensions.paddingMedium),
@@ -492,6 +581,19 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
     );
   }
 
+  void _copyPeanut(BuildContext context) {
+    final peanut = PeanutCodec.encode(widget.token);
+    Clipboard.setData(ClipboardData(text: peanut));
+    ScaffoldMessenger.of(context).showSnackBar(
+      SnackBar(
+        content: Text(L10n.of(context)!.emojiCopiedToClipboard),
+        backgroundColor: AppColors.success,
+        behavior: SnackBarBehavior.floating,
+        shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+      ),
+    );
+  }
+
   void _shareToken(BuildContext context) async {
     final memo = widget.memo != null && widget.memo!.isNotEmpty
         ? '\n"${widget.memo}"'
@@ -508,6 +610,68 @@ class _ShareTokenScreenState extends State<ShareTokenScreen> {
     );
   }
 
+  void _writeNfc(BuildContext context) async {
+    // Toggle off: stop emulating
+    if (_nfcWriting) {
+      await NfcService.stopEmulating();
+      setState(() => _nfcWriting = false);
+      return;
+    }
+
+    // Re-check state in case user toggled NFC in settings
+    final currentState = await NfcService.checkState();
+    if (mounted) setState(() => _nfcState = currentState);
+
+    if (currentState == NfcState.unsupported) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcUnsupported),
+          backgroundColor: AppColors.textSecondary,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    if (currentState == NfcState.disabled) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcDisabled),
+          backgroundColor: AppColors.warning,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+      return;
+    }
+
+    try {
+      await NfcService.startEmulating(widget.token);
+      setState(() => _nfcWriting = true);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcHoldNear),
+          backgroundColor: AppColors.primaryAction,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+    } catch (e) {
+      if (!mounted) return;
+      setState(() => _nfcWriting = false);
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.nfcWriteError(e.toString())),
+          backgroundColor: AppColors.error,
+          behavior: SnackBarBehavior.floating,
+          shape: RoundedRectangleBorder(
+              borderRadius: BorderRadius.circular(8)),
+        ),
+      );
+    }
+  }
+
   void _goToHome(BuildContext context) {
     Navigator.of(context).popUntil((route) => route.isFirst);
   }

lib/screens/8_settings/settings_screen.dart

@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:lucide_icons/lucide_icons.dart';
+import 'package:package_info_plus/package_info_plus.dart';
 import 'package:provider/provider.dart';
 import 'package:url_launcher/url_launcher.dart';
 import 'package:elcaju/l10n/app_localizations.dart';
@@ -24,6 +25,25 @@ class SettingsScreen extends StatefulWidget {
 }
 
 class _SettingsScreenState extends State<SettingsScreen> {
+  String _appVersion = '';
+
+  @override
+  void initState() {
+    super.initState();
+    _loadVersion();
+  }
+
+  Future<void> _loadVersion() async {
+    try {
+      final info = await PackageInfo.fromPlatform();
+      if (!mounted) return;
+      setState(() => _appVersion = info.version);
+    } catch (_) {
+      if (!mounted) return;
+      setState(() => _appVersion = '—');
+    }
+  }
+
   @override
   Widget build(BuildContext context) {
     final l10n = L10n.of(context)!;
@@ -124,7 +144,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
                     _buildInfoTile(
                       icon: LucideIcons.tag,
                       title: l10n.version,
-                      subtitle: '0.0.1',
+                      subtitle: _appVersion,
                     ),
                     _buildSettingTile(
                       icon: LucideIcons.info,
@@ -620,7 +640,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
             ),
             const SizedBox(height: 4),
             Text(
-              'v0.0.1',
+              'v$_appVersion',
               style: TextStyle(
                 fontFamily: 'Inter',
                 fontSize: 14,
@@ -638,43 +658,7 @@ class _SettingsScreenState extends State<SettingsScreen> {
               textAlign: TextAlign.center,
             ),
             const SizedBox(height: 8),
-            Text(
-              L10n.of(context)!.aboutDescription,
-              style: TextStyle(
-                fontFamily: 'Inter',
-                fontSize: 14,
-                color: AppColors.textSecondary.withValues(alpha: 0.7),
-              ),
-              textAlign: TextAlign.center,
-            ),
-            const SizedBox(height: 24),
-            Container(
-              padding: const EdgeInsets.all(12),
-              decoration: BoxDecoration(
-                color: Colors.white.withValues(alpha: 0.05),
-                borderRadius: BorderRadius.circular(12),
-              ),
-              child: Row(
-                mainAxisAlignment: MainAxisAlignment.center,
-                children: [
-                  Icon(
-                    LucideIcons.bitcoin,
-                    color: AppColors.secondaryAction,
-                    size: 16,
-                  ),
-                  const SizedBox(width: 8),
-                  Text(
-                    'Cuba Bitcoin',
-                    style: TextStyle(
-                      fontFamily: 'Inter',
-                      fontSize: 14,
-                      fontWeight: FontWeight.w500,
-                      color: AppColors.secondaryAction,
-                    ),
-                  ),
-                ],
-              ),
-            ),
+            _buildAboutDescription(context),
           ],
         ),
         actions: [
@@ -693,6 +677,72 @@ class _SettingsScreenState extends State<SettingsScreen> {
     );
   }
 
+  Widget _buildAboutDescription(BuildContext context) {
+    final description = L10n.of(context)!.aboutDescription;
+    const keyword = 'LaChispa';
+    final index = description.indexOf(keyword);
+    if (index == -1) {
+      return Text(
+        description,
+        style: TextStyle(
+          fontFamily: 'Inter',
+          fontSize: 14,
+          color: AppColors.textSecondary.withValues(alpha: 0.7),
+        ),
+        textAlign: TextAlign.center,
+      );
+    }
+    final before = description.substring(0, index);
+    final after = description.substring(index + keyword.length);
+    return RichText(
+      textAlign: TextAlign.center,
+      text: TextSpan(
+        style: TextStyle(
+          fontFamily: 'Inter',
+          fontSize: 14,
+          color: AppColors.textSecondary.withValues(alpha: 0.7),
+        ),
+        children: [
+          TextSpan(text: before),
+          WidgetSpan(
+            alignment: PlaceholderAlignment.baseline,
+            baseline: TextBaseline.alphabetic,
+            child: GestureDetector(
+              onTap: () => _openLaChispa(context),
+              child: Text(
+                keyword,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 14,
+                  color: AppColors.secondaryAction,
+                  decoration: TextDecoration.underline,
+                  decorationColor: AppColors.secondaryAction,
+                ),
+              ),
+            ),
+          ),
+          TextSpan(text: after),
+        ],
+      ),
+    );
+  }
+
+  Future<void> _openLaChispa(BuildContext context) async {
+    final url = Uri.parse('https://app.lachispa.me');
+    try {
+      await launchUrl(url, mode: LaunchMode.externalApplication);
+    } catch (_) {
+      if (mounted) {
+        ScaffoldMessenger.of(context).showSnackBar(
+          SnackBar(
+            content: Text(L10n.of(context)!.couldNotOpenLink),
+            backgroundColor: AppColors.error,
+          ),
+        );
+      }
+    }
+  }
+
   /// 4. Abrir GitHub
   Future<void> _openGitHub() async {
     final url = Uri.parse('https://github.com/Forte11Cuba/elcaju');

lib/src/rust/frb_generated.dart

@@ -0,0 +1,109 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: unused_import, unused_element, unnecessary_import, duplicate_ignore, invalid_use_of_internal_member, annotate_overrides, non_constant_identifier_names, curly_braces_in_flow_control_structures, prefer_const_literals_to_create_immutables, unused_field
+
+import 'dart:async';
+import 'dart:convert';
+import 'frb_generated.dart';
+import 'frb_generated.io.dart'
+    if (dart.library.js_interop) 'frb_generated.web.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+/// Main entrypoint of the Rust API
+class RustLib extends BaseEntrypoint<RustLibApi, RustLibApiImpl, RustLibWire> {
+  @internal
+  static final instance = RustLib._();
+
+  RustLib._();
+
+  /// Initialize flutter_rust_bridge
+  static Future<void> init({
+    RustLibApi? api,
+    BaseHandler? handler,
+    ExternalLibrary? externalLibrary,
+    bool forceSameCodegenVersion = true,
+  }) async {
+    await instance.initImpl(
+      api: api,
+      handler: handler,
+      externalLibrary: externalLibrary,
+      forceSameCodegenVersion: forceSameCodegenVersion,
+    );
+  }
+
+  /// Initialize flutter_rust_bridge in mock mode.
+  /// No libraries for FFI are loaded.
+  static void initMock({required RustLibApi api}) {
+    instance.initMockImpl(api: api);
+  }
+
+  /// Dispose flutter_rust_bridge
+  ///
+  /// The call to this function is optional, since flutter_rust_bridge (and everything else)
+  /// is automatically disposed when the app stops.
+  static void dispose() => instance.disposeImpl();
+
+  @override
+  ApiImplConstructor<RustLibApiImpl, RustLibWire> get apiImplConstructor =>
+      RustLibApiImpl.new;
+
+  @override
+  WireConstructor<RustLibWire> get wireConstructor =>
+      RustLibWire.fromExternalLibrary;
+
+  @override
+  Future<void> executeRustInitializers() async {}
+
+  @override
+  ExternalLibraryLoaderConfig get defaultExternalLibraryLoaderConfig =>
+      kDefaultExternalLibraryLoaderConfig;
+
+  @override
+  String get codegenVersion => '2.11.1';
+
+  @override
+  int get rustContentHash => -291292710;
+
+  static const kDefaultExternalLibraryLoaderConfig =
+      ExternalLibraryLoaderConfig(
+        stem: 'elcaju_core',
+        ioDirectory: 'rust/target/release/',
+        webPrefix: 'pkg/',
+      );
+}
+
+abstract class RustLibApi extends BaseApi {}
+
+class RustLibApiImpl extends RustLibApiImplPlatform implements RustLibApi {
+  RustLibApiImpl({
+    required super.handler,
+    required super.wire,
+    required super.generalizedFrbRustBinding,
+    required super.portManager,
+  });
+
+  @protected
+  int sse_decode_i_32(SseDeserializer deserializer) {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    return deserializer.buffer.getInt32();
+  }
+
+  @protected
+  bool sse_decode_bool(SseDeserializer deserializer) {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    return deserializer.buffer.getUint8() != 0;
+  }
+
+  @protected
+  void sse_encode_i_32(int self, SseSerializer serializer) {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    serializer.buffer.putInt32(self);
+  }
+
+  @protected
+  void sse_encode_bool(bool self, SseSerializer serializer) {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    serializer.buffer.putUint8(self ? 1 : 0);
+  }
+}

lib/src/rust/frb_generated.io.dart

@@ -0,0 +1,46 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: unused_import, unused_element, unnecessary_import, duplicate_ignore, invalid_use_of_internal_member, annotate_overrides, non_constant_identifier_names, curly_braces_in_flow_control_structures, prefer_const_literals_to_create_immutables, unused_field
+
+import 'dart:async';
+import 'dart:convert';
+import 'dart:ffi' as ffi;
+import 'frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated_io.dart';
+
+abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
+  RustLibApiImplPlatform({
+    required super.handler,
+    required super.wire,
+    required super.generalizedFrbRustBinding,
+    required super.portManager,
+  });
+
+  @protected
+  int sse_decode_i_32(SseDeserializer deserializer);
+
+  @protected
+  bool sse_decode_bool(SseDeserializer deserializer);
+
+  @protected
+  void sse_encode_i_32(int self, SseSerializer serializer);
+
+  @protected
+  void sse_encode_bool(bool self, SseSerializer serializer);
+}
+
+// Section: wire_class
+
+class RustLibWire implements BaseWire {
+  factory RustLibWire.fromExternalLibrary(ExternalLibrary lib) =>
+      RustLibWire(lib.ffiDynamicLibrary);
+
+  /// Holds the symbol lookup function.
+  final ffi.Pointer<T> Function<T extends ffi.NativeType>(String symbolName)
+  _lookup;
+
+  /// The symbols are looked up in [dynamicLibrary].
+  RustLibWire(ffi.DynamicLibrary dynamicLibrary)
+    : _lookup = dynamicLibrary.lookup;
+}

lib/src/rust/frb_generated.web.dart

@@ -0,0 +1,46 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: unused_import, unused_element, unnecessary_import, duplicate_ignore, invalid_use_of_internal_member, annotate_overrides, non_constant_identifier_names, curly_braces_in_flow_control_structures, prefer_const_literals_to_create_immutables, unused_field
+
+// Static analysis wrongly picks the IO variant, thus ignore this
+// ignore_for_file: argument_type_not_assignable
+
+import 'dart:async';
+import 'dart:convert';
+import 'frb_generated.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated_web.dart';
+
+abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
+  RustLibApiImplPlatform({
+    required super.handler,
+    required super.wire,
+    required super.generalizedFrbRustBinding,
+    required super.portManager,
+  });
+
+  @protected
+  int sse_decode_i_32(SseDeserializer deserializer);
+
+  @protected
+  bool sse_decode_bool(SseDeserializer deserializer);
+
+  @protected
+  void sse_encode_i_32(int self, SseSerializer serializer);
+
+  @protected
+  void sse_encode_bool(bool self, SseSerializer serializer);
+}
+
+// Section: wire_class
+
+class RustLibWire implements BaseWire {
+  RustLibWire.fromExternalLibrary(ExternalLibrary lib);
+}
+
+@JS('wasm_bindgen')
+external RustLibWasmModule get wasmModule;
+
+@JS()
+@anonymous
+extension type RustLibWasmModule._(JSObject _) implements JSObject {}

macos/Flutter/GeneratedPluginRegistrant.swift

@@ -7,6 +7,7 @@ import Foundation
 
 import flutter_secure_storage_macos
 import mobile_scanner
+import package_info_plus
 import path_provider_foundation
 import share_plus
 import shared_preferences_foundation
@@ -16,6 +17,7 @@ import url_launcher_macos
 func RegisterGeneratedPlugins(registry: FlutterPluginRegistry) {
   FlutterSecureStoragePlugin.register(with: registry.registrar(forPlugin: "FlutterSecureStoragePlugin"))
   MobileScannerPlugin.register(with: registry.registrar(forPlugin: "MobileScannerPlugin"))
+  FPPPackageInfoPlusPlugin.register(with: registry.registrar(forPlugin: "FPPPackageInfoPlusPlugin"))
   PathProviderPlugin.register(with: registry.registrar(forPlugin: "PathProviderPlugin"))
   SharePlusMacosPlugin.register(with: registry.registrar(forPlugin: "SharePlusMacosPlugin"))
   SharedPreferencesPlugin.register(with: registry.registrar(forPlugin: "SharedPreferencesPlugin"))

pubspec.lock

@@ -94,10 +94,10 @@ packages:
     dependency: transitive
     description:
       name: characters
-      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.0"
+    version: "1.4.1"
   checked_yaml:
     dependency: transitive
     description:
@@ -118,18 +118,18 @@ packages:
     dependency: transitive
     description:
       name: clock
-      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
       url: "https://pub.dev"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
-      sha256: a1ace0a119f20aabc852d165077c036cd864315bd99b7eaa10a60100341941bf
+      sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
       url: "https://pub.dev"
     source: hosted
-    version: "1.19.0"
+    version: "1.19.1"
   convert:
     dependency: transitive
     description:
@@ -174,10 +174,10 @@ packages:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.1"
+    version: "1.3.3"
   ffi:
     dependency: transitive
     description:
@@ -237,7 +237,7 @@ packages:
     source: hosted
     version: "2.4.4"
   flutter_rust_bridge:
-    dependency: transitive
+    dependency: "direct main"
     description:
       name: flutter_rust_bridge
       sha256: "37ef40bc6f863652e865f0b2563ea07f0d3c58d8efad803cc01933a4b2ee067e"
@@ -370,10 +370,10 @@ packages:
     dependency: "direct main"
     description:
       name: intl
-      sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
+      sha256: "3df61194eb431efc39c4ceba583b95633a403f46c9fd341e550ce0bfa50e9aa5"
       url: "https://pub.dev"
     source: hosted
-    version: "0.19.0"
+    version: "0.20.2"
   js:
     dependency: transitive
     description:
@@ -394,26 +394,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: "7bb2830ebd849694d1ec25bf1f44582d6ac531a57a365a803a6034ff751d2d06"
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.7"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: "9491a714cca3667b60b5c420da8217e6de0d1ba7a5ec322fab01758f6998f379"
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.8"
+    version: "3.0.10"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -434,26 +434,26 @@ packages:
     dependency: transitive
     description:
       name: matcher
-      sha256: d2323aa2060500f906aa31a895b4030b6da3ebdcc5619d14ce1aada65cd161cb
+      sha256: dc0b7dc7651697ea4ff3e69ef44b0407ea32c487a39fff6a4004fa585e901861
       url: "https://pub.dev"
     source: hosted
-    version: "0.12.16+1"
+    version: "0.12.19"
   material_color_utilities:
     dependency: transitive
     description:
       name: material_color_utilities
-      sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
+      sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
       url: "https://pub.dev"
     source: hosted
-    version: "0.11.1"
+    version: "0.13.0"
   meta:
     dependency: transitive
     description:
       name: meta
-      sha256: bdb68674043280c3428e9ec998512fb681678676b3c54e773629ffe74419f8c7
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.15.0"
+    version: "1.17.0"
   mime:
     dependency: transitive
     description:
@@ -470,6 +470,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "5.2.3"
+  ndef_record:
+    dependency: "direct main"
+    description:
+      name: ndef_record
+      sha256: "210ffb12284961cab9e44b99462143316d9a20cd992581170706069ef77d74a6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.2"
   nested:
     dependency: transitive
     description:
@@ -478,14 +486,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.0.0"
+  nfc_manager:
+    dependency: "direct main"
+    description:
+      name: nfc_manager
+      sha256: "24c78b0e5702da53e7f8794d073624c0bee7cd99924f257cbd11f5d1c5866879"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.1.1"
+  package_info_plus:
+    dependency: "direct main"
+    description:
+      name: package_info_plus
+      sha256: f69da0d3189a4b4ceaeb1a3defb0f329b3b352517f52bed4290f83d4f06bc08d
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.0.0"
+  package_info_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: package_info_plus_platform_interface
+      sha256: "202a487f08836a592a6bd4f901ac69b3a8f146af552bbd14407b6b41e1c3f086"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.1"
   path:
     dependency: transitive
     description:
       name: path
-      sha256: "087ce49c3f0dc39180befefc60fdb4acd8f8620e5682fe2476afd0b3688bb4af"
+      sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
       url: "https://pub.dev"
     source: hosted
-    version: "1.9.0"
+    version: "1.9.1"
   path_provider:
     dependency: "direct main"
     description:
@@ -743,18 +775,18 @@ packages:
     dependency: transitive
     description:
       name: stack_trace
-      sha256: "9f47fd3630d76be3ab26f0ee06d213679aa425996925ff3feffdec504931c377"
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
       url: "https://pub.dev"
     source: hosted
-    version: "1.12.0"
+    version: "1.12.1"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      sha256: ba2aa5d8cc609d96bbb2899c28934f9e1af5cddbd60a827822ea467161eb54e7
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.2"
+    version: "2.1.4"
   string_scanner:
     dependency: transitive
     description:
@@ -783,10 +815,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: "664d3a9a64782fcdeb83ce9c6b39e78fd2971d4e37827b9b06c3aa1edc5e760c"
+      sha256: "8161c84903fd860b26bfdefb7963b3f0b68fee7adea0f59ef805ecca346f0c7a"
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.3"
+    version: "0.7.10"
   typed_data:
     dependency: transitive
     description:
@@ -879,10 +911,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   vm_service:
     dependency: transitive
     description:
@@ -932,5 +964,5 @@ packages:
     source: hosted
     version: "3.1.3"
 sdks:
-  dart: ">=3.6.0 <4.0.0"
+  dart: ">=3.11.0 <4.0.0"
   flutter: ">=3.27.0"

pubspec.yaml

@@ -4,7 +4,7 @@ publish_to: 'none'
 version: 0.1.0+2
 
 environment:
-  sdk: ^3.6.0
+  sdk: ^3.11.0
 
 dependencies:
   flutter:
@@ -56,8 +56,14 @@ dependencies:
   # UUID generator for pending tokens
   uuid: ^4.3.3
 
+  # NFC for token sharing
+  nfc_manager: ^4.1.1
+  ndef_record: ^1.4.2
+
   # BIP32 for NIP-06 key derivation (P2PK)
   bip32: ^2.0.0
+  package_info_plus: ^9.0.0
+  flutter_rust_bridge: 2.11.1
 
 dev_dependencies:
   flutter_test:

rust/Cargo.toml

@@ -0,0 +1,56 @@
+[package]
+name = "elcaju_core"
+version = "0.1.0"
+edition = "2024"
+
+[lib]
+crate-type = ["cdylib", "staticlib"]
+
+[dependencies]
+# Cashu — acceso directo, sin intermediarios
+cdk = { version = "0.15.1", default-features = false, features = ["wallet"] }
+cdk-common = { version = "0.15.1", default-features = false }
+cdk-sqlite = { version = "0.15.1", default-features = false, features = ["wallet"] }
+
+# Bridge Flutter <-> Rust
+flutter_rust_bridge = { version = "=2.11.1", default-features = false, features = [
+    "anyhow",
+    "dart-opaque",
+    "portable-atomic",
+    "rust-async",
+    "thread-pool",
+    "wasm-start",
+] }
+
+# QR multiframe (bc-ur)
+bc-ur = { version = "0.12.0", default-features = false }
+
+# Mnemonic
+bip39 = { version = "2.1", default-features = false, features = ["std"] }
+
+# Async runtime
+tokio = { version = "1", default-features = false }
+
+# HTTP (para ping_mint, fetch_keysets)
+reqwest = { version = "0.12", default-features = false, features = [
+    "deflate",
+    "gzip",
+    "json",
+    "rustls-tls",
+    "rustls-tls-native-roots",
+] }
+
+# Serialización
+serde_json = { version = "1.0", default-features = false, features = ["std"] }
+
+# Logging
+log = { version = "0.4", default-features = false }
+
+[target.'cfg(target_os = "android")'.dependencies]
+android_logger = "0.15"
+
+[target.'cfg(any(target_os = "ios", target_os = "macos"))'.dependencies]
+oslog = "0.2.0"
+
+[lints.rust]
+unexpected_cfgs = { level = "warn", check-cfg = ['cfg(frb_expand)'] }

rust/src/api/error.rs

@@ -0,0 +1,45 @@
+use std::fmt;
+
+/// Errores unificados de elcaju_core
+#[derive(Debug)]
+pub enum Error {
+    /// Error del protocolo Cashu (cdk)
+    Cdk(String),
+    /// Error de base de datos (SQLite)
+    Database(String),
+    /// Input inválido del usuario
+    InvalidInput,
+    /// Error de red (HTTP, conexión)
+    Network(String),
+}
+
+impl fmt::Display for Error {
+    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
+        match self {
+            Error::Cdk(msg) => write!(f, "Cashu error: {msg}"),
+            Error::Database(msg) => write!(f, "Database error: {msg}"),
+            Error::InvalidInput => write!(f, "Invalid input"),
+            Error::Network(msg) => write!(f, "Network error: {msg}"),
+        }
+    }
+}
+
+impl std::error::Error for Error {}
+
+impl From<cdk::error::Error> for Error {
+    fn from(e: cdk::error::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}
+
+impl From<reqwest::Error> for Error {
+    fn from(e: reqwest::Error) -> Self {
+        Error::Network(e.to_string())
+    }
+}
+
+impl From<serde_json::Error> for Error {
+    fn from(e: serde_json::Error) -> Self {
+        Error::Cdk(e.to_string())
+    }
+}

rust/src/api/mod.rs

@@ -0,0 +1 @@
+pub mod error;

rust/src/frb_generated.rs

@@ -0,0 +1,146 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+#![allow(
+    non_camel_case_types,
+    unused,
+    non_snake_case,
+    clippy::needless_return,
+    clippy::redundant_closure_call,
+    clippy::redundant_closure,
+    clippy::useless_conversion,
+    clippy::unit_arg,
+    clippy::unused_unit,
+    clippy::double_parens,
+    clippy::let_and_return,
+    clippy::too_many_arguments,
+    clippy::match_single_binding,
+    clippy::clone_on_copy,
+    clippy::let_unit_value,
+    clippy::deref_addrof,
+    clippy::explicit_auto_deref,
+    clippy::borrow_deref_ref,
+    clippy::needless_borrow
+)]
+
+// Section: imports
+
+use flutter_rust_bridge::for_generated::byteorder::{NativeEndian, ReadBytesExt, WriteBytesExt};
+use flutter_rust_bridge::for_generated::{transform_result_dco, Lifetimeable, Lockable};
+use flutter_rust_bridge::{Handler, IntoIntoDart};
+
+// Section: boilerplate
+
+flutter_rust_bridge::frb_generated_boilerplate!(
+    default_stream_sink_codec = SseCodec,
+    default_rust_opaque = RustOpaqueMoi,
+    default_rust_auto_opaque = RustAutoOpaqueMoi,
+);
+pub(crate) const FLUTTER_RUST_BRIDGE_CODEGEN_VERSION: &str = "2.11.1";
+pub(crate) const FLUTTER_RUST_BRIDGE_CODEGEN_CONTENT_HASH: i32 = -291292710;
+
+// Section: executor
+
+flutter_rust_bridge::frb_generated_default_handler!();
+
+// Section: dart2rust
+
+impl SseDecode for i32 {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
+        deserializer.cursor.read_i32::<NativeEndian>().unwrap()
+    }
+}
+
+impl SseDecode for bool {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    fn sse_decode(deserializer: &mut flutter_rust_bridge::for_generated::SseDeserializer) -> Self {
+        deserializer.cursor.read_u8().unwrap() != 0
+    }
+}
+
+fn pde_ffi_dispatcher_primary_impl(
+    func_id: i32,
+    port: flutter_rust_bridge::for_generated::MessagePort,
+    ptr: flutter_rust_bridge::for_generated::PlatformGeneralizedUint8ListPtr,
+    rust_vec_len: i32,
+    data_len: i32,
+) {
+    // Codec=Pde (Serialization + dispatch), see doc to use other codecs
+    match func_id {
+        _ => unreachable!(),
+    }
+}
+
+fn pde_ffi_dispatcher_sync_impl(
+    func_id: i32,
+    ptr: flutter_rust_bridge::for_generated::PlatformGeneralizedUint8ListPtr,
+    rust_vec_len: i32,
+    data_len: i32,
+) -> flutter_rust_bridge::for_generated::WireSyncRust2DartSse {
+    // Codec=Pde (Serialization + dispatch), see doc to use other codecs
+    match func_id {
+        _ => unreachable!(),
+    }
+}
+
+// Section: rust2dart
+
+impl SseEncode for i32 {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    fn sse_encode(self, serializer: &mut flutter_rust_bridge::for_generated::SseSerializer) {
+        serializer.cursor.write_i32::<NativeEndian>(self).unwrap();
+    }
+}
+
+impl SseEncode for bool {
+    // Codec=Sse (Serialization based), see doc to use other codecs
+    fn sse_encode(self, serializer: &mut flutter_rust_bridge::for_generated::SseSerializer) {
+        serializer.cursor.write_u8(self as _).unwrap();
+    }
+}
+
+#[cfg(not(target_family = "wasm"))]
+mod io {
+    // This file is automatically generated, so please do not edit it.
+    // @generated by `flutter_rust_bridge`@ 2.11.1.
+
+    // Section: imports
+
+    use super::*;
+    use flutter_rust_bridge::for_generated::byteorder::{
+        NativeEndian, ReadBytesExt, WriteBytesExt,
+    };
+    use flutter_rust_bridge::for_generated::{transform_result_dco, Lifetimeable, Lockable};
+    use flutter_rust_bridge::{Handler, IntoIntoDart};
+
+    // Section: boilerplate
+
+    flutter_rust_bridge::frb_generated_boilerplate_io!();
+}
+#[cfg(not(target_family = "wasm"))]
+pub use io::*;
+
+/// cbindgen:ignore
+#[cfg(target_family = "wasm")]
+mod web {
+    // This file is automatically generated, so please do not edit it.
+    // @generated by `flutter_rust_bridge`@ 2.11.1.
+
+    // Section: imports
+
+    use super::*;
+    use flutter_rust_bridge::for_generated::byteorder::{
+        NativeEndian, ReadBytesExt, WriteBytesExt,
+    };
+    use flutter_rust_bridge::for_generated::wasm_bindgen;
+    use flutter_rust_bridge::for_generated::wasm_bindgen::prelude::*;
+    use flutter_rust_bridge::for_generated::{transform_result_dco, Lifetimeable, Lockable};
+    use flutter_rust_bridge::{Handler, IntoIntoDart};
+
+    // Section: boilerplate
+
+    flutter_rust_bridge::frb_generated_boilerplate_web!();
+}
+#[cfg(target_family = "wasm")]
+pub use web::*;

rust/src/lib.rs

@@ -0,0 +1,2 @@
+mod frb_generated; /* AUTO INJECTED BY flutter_rust_bridge. This line may not be accurate, and you can change it according to your needs. */
+pub mod api;

rust_builder/android/build.gradle

@@ -0,0 +1,49 @@
+// Android NDK build integration for elcaju_core Rust crate.
+
+group 'com.elcaju.rust_builder'
+version '1.0'
+
+buildscript {
+    repositories {
+        google()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath 'com.android.tools.build:gradle:7.3.0'
+    }
+}
+
+rootProject.allprojects {
+    repositories {
+        google()
+        mavenCentral()
+    }
+}
+
+apply plugin: 'com.android.library'
+
+android {
+    if (project.android.hasProperty("namespace")) {
+        namespace 'com.elcaju.rust_builder'
+    }
+
+    compileSdkVersion 33
+
+    ndkVersion "27.0.12077973"
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+
+    defaultConfig {
+        minSdkVersion 19
+    }
+}
+
+apply from: "../cargokit/gradle/plugin.gradle"
+cargokit {
+    manifestDir = "../../rust"
+    libname = "elcaju_core"
+}

rust_builder/cargokit/.gitignore

@@ -0,0 +1,4 @@
+target
+.dart_tool
+*.iml
+!pubspec.lock

rust_builder/cargokit/LICENSE

@@ -0,0 +1,42 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+Copyright 2022 Matej Knopp
+
+================================================================================
+
+MIT LICENSE
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
+OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+================================================================================
+
+APACHE LICENSE, VERSION 2.0
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+

rust_builder/cargokit/README

@@ -0,0 +1,11 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+Experimental repository to provide glue for seamlessly integrating cargo build
+with flutter plugins and packages.
+
+See https://matejknopp.com/post/flutter_plugin_in_rust_with_no_prebuilt_binaries/
+for a tutorial on how to use Cargokit.
+
+Example plugin available at https://github.com/irondash/hello_rust_ffi_plugin.
+

rust_builder/cargokit/build_pod.sh

@@ -0,0 +1,60 @@
+#!/bin/bash
+set -e
+
+BASEDIR=$(dirname "$0")
+
+# Workaround for https://github.com/dart-lang/pub/issues/4010
+BASEDIR=$(cd "$BASEDIR" ; pwd -P)
+
+# Remove XCode SDK from path. Otherwise this breaks tool compilation when building iOS project
+NEW_PATH=`echo $PATH | tr ":" "\n" | grep -v "Contents/Developer/" | tr "\n" ":"`
+
+export PATH=${NEW_PATH%?} # remove trailing :
+
+if [ -n "$CARGOKIT_DEBUG" ]; then
+  env | grep -E '^(CARGOKIT|FLUTTER|PLATFORM_NAME|ARCHS|CONFIGURATION|PODS_)='
+fi
+
+# Platform name (macosx, iphoneos, iphonesimulator)
+export CARGOKIT_DARWIN_PLATFORM_NAME=$PLATFORM_NAME
+
+# Active architectures (arm64, armv7, x86_64), space separated.
+export CARGOKIT_DARWIN_ARCHS=$ARCHS
+
+# Current build configuration (Debug, Release)
+export CARGOKIT_CONFIGURATION=$CONFIGURATION
+
+# Path to directory containing Cargo.toml.
+export CARGOKIT_MANIFEST_DIR=$PODS_TARGET_SRCROOT/$1
+
+# Temporary directory for build artifacts.
+export CARGOKIT_TARGET_TEMP_DIR=$TARGET_TEMP_DIR
+
+# Output directory for final artifacts.
+export CARGOKIT_OUTPUT_DIR=$PODS_CONFIGURATION_BUILD_DIR/$PRODUCT_NAME
+
+# Directory to store built tool artifacts.
+export CARGOKIT_TOOL_TEMP_DIR=$TARGET_TEMP_DIR/build_tool
+
+# Directory inside root project. Not necessarily the top level directory of root project.
+export CARGOKIT_ROOT_PROJECT_DIR=$SRCROOT
+
+FLUTTER_EXPORT_BUILD_ENVIRONMENT=(
+  "$PODS_ROOT/../Flutter/ephemeral/flutter_export_environment.sh" # macOS
+  "$PODS_ROOT/../Flutter/flutter_export_environment.sh" # iOS
+)
+
+for path in "${FLUTTER_EXPORT_BUILD_ENVIRONMENT[@]}"
+do
+  if [[ -f "$path" ]]; then
+    source "$path"
+  fi
+done
+
+bash "$BASEDIR/run_build_tool.sh" build-pod "$@"
+
+# Make a symlink from built framework to phony file, which will be used as input to
+# build script. This should force rebuild (podspec currently doesn't support alwaysOutOfDate
+# attribute on custom build phase)
+ln -fs "$OBJROOT/XCBuildData/build.db" "${BUILT_PRODUCTS_DIR}/cargokit_phony"
+ln -fs "${BUILT_PRODUCTS_DIR}/${EXECUTABLE_PATH}" "${BUILT_PRODUCTS_DIR}/cargokit_phony_out"

rust_builder/cargokit/build_tool/README.md

@@ -0,0 +1,5 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+A sample command-line application with an entrypoint in `bin/`, library code
+in `lib/`, and example unit test in `test/`.

rust_builder/cargokit/build_tool/analysis_options.yaml

@@ -0,0 +1,34 @@
+# This is copied from Cargokit (which is the official way to use it currently)
+# Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+# This file configures the static analysis results for your project (errors,
+# warnings, and lints).
+#
+# This enables the 'recommended' set of lints from `package:lints`.
+# This set helps identify many issues that may lead to problems when running
+# or consuming Dart code, and enforces writing Dart using a single, idiomatic
+# style and format.
+#
+# If you want a smaller set of lints you can change this to specify
+# 'package:lints/core.yaml'. These are just the most critical lints
+# (the recommended set includes the core lints).
+# The core lints are also what is used by pub.dev for scoring packages.
+
+include: package:lints/recommended.yaml
+
+# Uncomment the following section to specify additional rules.
+
+linter:
+  rules:
+    - prefer_relative_imports
+    - directives_ordering
+
+# analyzer:
+#   exclude:
+#     - path/to/excluded/files/**
+
+# For more information about the core and recommended set of lints, see
+# https://dart.dev/go/core-lints
+
+# For additional information about configuring this file, see
+# https://dart.dev/guides/language/analysis-options

rust_builder/cargokit/build_tool/bin/build_tool.dart

@@ -0,0 +1,8 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'package:build_tool/build_tool.dart' as build_tool;
+
+void main(List<String> arguments) {
+  build_tool.runMain(arguments);
+}

rust_builder/cargokit/build_tool/lib/build_tool.dart

@@ -0,0 +1,8 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'src/build_tool.dart' as build_tool;
+
+Future<void> runMain(List<String> args) async {
+  return build_tool.runMain(args);
+}

rust_builder/cargokit/build_tool/lib/src/android_environment.dart

@@ -0,0 +1,195 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+import 'dart:isolate';
+import 'dart:math' as math;
+
+import 'package:collection/collection.dart';
+import 'package:path/path.dart' as path;
+import 'package:version/version.dart';
+
+import 'target.dart';
+import 'util.dart';
+
+class AndroidEnvironment {
+  AndroidEnvironment({
+    required this.sdkPath,
+    required this.ndkVersion,
+    required this.minSdkVersion,
+    required this.targetTempDir,
+    required this.target,
+  });
+
+  static void clangLinkerWrapper(List<String> args) {
+    final clang = Platform.environment['_CARGOKIT_NDK_LINK_CLANG'];
+    if (clang == null) {
+      throw Exception(
+          "cargo-ndk rustc linker: didn't find _CARGOKIT_NDK_LINK_CLANG env var");
+    }
+    final target = Platform.environment['_CARGOKIT_NDK_LINK_TARGET'];
+    if (target == null) {
+      throw Exception(
+          "cargo-ndk rustc linker: didn't find _CARGOKIT_NDK_LINK_TARGET env var");
+    }
+
+    runCommand(clang, [
+      target,
+      ...args,
+    ]);
+  }
+
+  /// Full path to Android SDK.
+  final String sdkPath;
+
+  /// Full version of Android NDK.
+  final String ndkVersion;
+
+  /// Minimum supported SDK version.
+  final int minSdkVersion;
+
+  /// Target directory for build artifacts.
+  final String targetTempDir;
+
+  /// Target being built.
+  final Target target;
+
+  bool ndkIsInstalled() {
+    final ndkPath = path.join(sdkPath, 'ndk', ndkVersion);
+    final ndkPackageXml = File(path.join(ndkPath, 'package.xml'));
+    return ndkPackageXml.existsSync();
+  }
+
+  void installNdk({
+    required String javaHome,
+  }) {
+    final sdkManagerExtension = Platform.isWindows ? '.bat' : '';
+    final sdkManager = path.join(
+      sdkPath,
+      'cmdline-tools',
+      'latest',
+      'bin',
+      'sdkmanager$sdkManagerExtension',
+    );
+
+    log.info('Installing NDK $ndkVersion');
+    runCommand(sdkManager, [
+      '--install',
+      'ndk;$ndkVersion',
+    ], environment: {
+      'JAVA_HOME': javaHome,
+    });
+  }
+
+  Future<Map<String, String>> buildEnvironment() async {
+    final hostArch = Platform.isMacOS
+        ? "darwin-x86_64"
+        : (Platform.isLinux ? "linux-x86_64" : "windows-x86_64");
+
+    final ndkPath = path.join(sdkPath, 'ndk', ndkVersion);
+    final toolchainPath = path.join(
+      ndkPath,
+      'toolchains',
+      'llvm',
+      'prebuilt',
+      hostArch,
+      'bin',
+    );
+
+    final minSdkVersion =
+        math.max(target.androidMinSdkVersion!, this.minSdkVersion);
+
+    final exe = Platform.isWindows ? '.exe' : '';
+
+    final arKey = 'AR_${target.rust}';
+    final arValue = ['${target.rust}-ar', 'llvm-ar', 'llvm-ar.exe']
+        .map((e) => path.join(toolchainPath, e))
+        .firstWhereOrNull((element) => File(element).existsSync());
+    if (arValue == null) {
+      throw Exception('Failed to find ar for $target in $toolchainPath');
+    }
+
+    final targetArg = '--target=${target.rust}$minSdkVersion';
+
+    final ccKey = 'CC_${target.rust}';
+    final ccValue = path.join(toolchainPath, 'clang$exe');
+    final cfFlagsKey = 'CFLAGS_${target.rust}';
+    final cFlagsValue = targetArg;
+
+    final cxxKey = 'CXX_${target.rust}';
+    final cxxValue = path.join(toolchainPath, 'clang++$exe');
+    final cxxFlagsKey = 'CXXFLAGS_${target.rust}';
+    final cxxFlagsValue = targetArg;
+
+    final linkerKey =
+        'cargo_target_${target.rust.replaceAll('-', '_')}_linker'.toUpperCase();
+
+    final ranlibKey = 'RANLIB_${target.rust}';
+    final ranlibValue = path.join(toolchainPath, 'llvm-ranlib$exe');
+
+    final ndkVersionParsed = Version.parse(ndkVersion);
+    final rustFlagsKey = 'CARGO_ENCODED_RUSTFLAGS';
+    final rustFlagsValue = _libGccWorkaround(targetTempDir, ndkVersionParsed);
+
+    final runRustTool =
+        Platform.isWindows ? 'run_build_tool.cmd' : 'run_build_tool.sh';
+
+    final packagePath = (await Isolate.resolvePackageUri(
+            Uri.parse('package:build_tool/buildtool.dart')))!
+        .toFilePath();
+    final selfPath = path.canonicalize(path.join(
+      packagePath,
+      '..',
+      '..',
+      '..',
+      runRustTool,
+    ));
+
+    // Make sure that run_build_tool is working properly even initially launched directly
+    // through dart run.
+    final toolTempDir =
+        Platform.environment['CARGOKIT_TOOL_TEMP_DIR'] ?? targetTempDir;
+
+    return {
+      arKey: arValue,
+      ccKey: ccValue,
+      cfFlagsKey: cFlagsValue,
+      cxxKey: cxxValue,
+      cxxFlagsKey: cxxFlagsValue,
+      ranlibKey: ranlibValue,
+      rustFlagsKey: rustFlagsValue,
+      linkerKey: selfPath,
+      // Recognized by main() so we know when we're acting as a wrapper
+      '_CARGOKIT_NDK_LINK_TARGET': targetArg,
+      '_CARGOKIT_NDK_LINK_CLANG': ccValue,
+      'CARGOKIT_TOOL_TEMP_DIR': toolTempDir,
+    };
+  }
+
+  // Workaround for libgcc missing in NDK23, inspired by cargo-ndk
+  String _libGccWorkaround(String buildDir, Version ndkVersion) {
+    final workaroundDir = path.join(
+      buildDir,
+      'cargokit',
+      'libgcc_workaround',
+      '${ndkVersion.major}',
+    );
+    Directory(workaroundDir).createSync(recursive: true);
+    if (ndkVersion.major >= 23) {
+      File(path.join(workaroundDir, 'libgcc.a'))
+          .writeAsStringSync('INPUT(-lunwind)');
+    } else {
+      // Other way around, untested, forward libgcc.a from libunwind once Rust
+      // gets updated for NDK23+.
+      File(path.join(workaroundDir, 'libunwind.a'))
+          .writeAsStringSync('INPUT(-lgcc)');
+    }
+
+    var rustFlags = Platform.environment['CARGO_ENCODED_RUSTFLAGS'] ?? '';
+    if (rustFlags.isNotEmpty) {
+      rustFlags = '$rustFlags\x1f';
+    }
+    rustFlags = '$rustFlags-L\x1f$workaroundDir';
+    return rustFlags;
+  }
+}

rust_builder/cargokit/build_tool/lib/src/artifacts_provider.dart

@@ -0,0 +1,266 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:ed25519_edwards/ed25519_edwards.dart';
+import 'package:http/http.dart';
+import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
+
+import 'builder.dart';
+import 'crate_hash.dart';
+import 'options.dart';
+import 'precompile_binaries.dart';
+import 'rustup.dart';
+import 'target.dart';
+
+class Artifact {
+  /// File system location of the artifact.
+  final String path;
+
+  /// Actual file name that the artifact should have in destination folder.
+  final String finalFileName;
+
+  AritifactType get type {
+    if (finalFileName.endsWith('.dll') ||
+        finalFileName.endsWith('.dll.lib') ||
+        finalFileName.endsWith('.pdb') ||
+        finalFileName.endsWith('.so') ||
+        finalFileName.endsWith('.dylib')) {
+      return AritifactType.dylib;
+    } else if (finalFileName.endsWith('.lib') || finalFileName.endsWith('.a')) {
+      return AritifactType.staticlib;
+    } else {
+      throw Exception('Unknown artifact type for $finalFileName');
+    }
+  }
+
+  Artifact({
+    required this.path,
+    required this.finalFileName,
+  });
+}
+
+final _log = Logger('artifacts_provider');
+
+class ArtifactProvider {
+  ArtifactProvider({
+    required this.environment,
+    required this.userOptions,
+  });
+
+  final BuildEnvironment environment;
+  final CargokitUserOptions userOptions;
+
+  Future<Map<Target, List<Artifact>>> getArtifacts(List<Target> targets) async {
+    final result = await _getPrecompiledArtifacts(targets);
+
+    final pendingTargets = List.of(targets);
+    pendingTargets.removeWhere((element) => result.containsKey(element));
+
+    if (pendingTargets.isEmpty) {
+      return result;
+    }
+
+    final rustup = Rustup();
+    for (final target in targets) {
+      final builder = RustBuilder(target: target, environment: environment);
+      builder.prepare(rustup);
+      _log.info('Building ${environment.crateInfo.packageName} for $target');
+      final targetDir = await builder.build();
+      // For local build accept both static and dynamic libraries.
+      final artifactNames = <String>{
+        ...getArtifactNames(
+          target: target,
+          libraryName: environment.crateInfo.packageName,
+          aritifactType: AritifactType.dylib,
+          remote: false,
+        ),
+        ...getArtifactNames(
+          target: target,
+          libraryName: environment.crateInfo.packageName,
+          aritifactType: AritifactType.staticlib,
+          remote: false,
+        )
+      };
+      final artifacts = artifactNames
+          .map((artifactName) => Artifact(
+                path: path.join(targetDir, artifactName),
+                finalFileName: artifactName,
+              ))
+          .where((element) => File(element.path).existsSync())
+          .toList();
+      result[target] = artifacts;
+    }
+    return result;
+  }
+
+  Future<Map<Target, List<Artifact>>> _getPrecompiledArtifacts(
+      List<Target> targets) async {
+    if (userOptions.usePrecompiledBinaries == false) {
+      _log.info('Precompiled binaries are disabled');
+      return {};
+    }
+    if (environment.crateOptions.precompiledBinaries == null) {
+      _log.fine('Precompiled binaries not enabled for this crate');
+      return {};
+    }
+
+    final start = Stopwatch()..start();
+    final crateHash = CrateHash.compute(environment.manifestDir,
+        tempStorage: environment.targetTempDir);
+    _log.fine(
+        'Computed crate hash $crateHash in ${start.elapsedMilliseconds}ms');
+
+    final downloadedArtifactsDir =
+        path.join(environment.targetTempDir, 'precompiled', crateHash);
+    Directory(downloadedArtifactsDir).createSync(recursive: true);
+
+    final res = <Target, List<Artifact>>{};
+
+    for (final target in targets) {
+      final requiredArtifacts = getArtifactNames(
+        target: target,
+        libraryName: environment.crateInfo.packageName,
+        remote: true,
+      );
+      final artifactsForTarget = <Artifact>[];
+
+      for (final artifact in requiredArtifacts) {
+        final fileName = PrecompileBinaries.fileName(target, artifact);
+        final downloadedPath = path.join(downloadedArtifactsDir, fileName);
+        if (!File(downloadedPath).existsSync()) {
+          final signatureFileName =
+              PrecompileBinaries.signatureFileName(target, artifact);
+          await _tryDownloadArtifacts(
+            crateHash: crateHash,
+            fileName: fileName,
+            signatureFileName: signatureFileName,
+            finalPath: downloadedPath,
+          );
+        }
+        if (File(downloadedPath).existsSync()) {
+          artifactsForTarget.add(Artifact(
+            path: downloadedPath,
+            finalFileName: artifact,
+          ));
+        } else {
+          break;
+        }
+      }
+
+      // Only provide complete set of artifacts.
+      if (artifactsForTarget.length == requiredArtifacts.length) {
+        _log.fine('Found precompiled artifacts for $target');
+        res[target] = artifactsForTarget;
+      }
+    }
+
+    return res;
+  }
+
+  static Future<Response> _get(Uri url, {Map<String, String>? headers}) async {
+    int attempt = 0;
+    const maxAttempts = 10;
+    while (true) {
+      try {
+        return await get(url, headers: headers);
+      } on SocketException catch (e) {
+        // Try to detect reset by peer error and retry.
+        if (attempt++ < maxAttempts &&
+            (e.osError?.errorCode == 54 || e.osError?.errorCode == 10054)) {
+          _log.severe(
+              'Failed to download $url: $e, attempt $attempt of $maxAttempts, will retry...');
+          await Future.delayed(Duration(seconds: 1));
+          continue;
+        } else {
+          rethrow;
+        }
+      }
+    }
+  }
+
+  Future<void> _tryDownloadArtifacts({
+    required String crateHash,
+    required String fileName,
+    required String signatureFileName,
+    required String finalPath,
+  }) async {
+    final precompiledBinaries = environment.crateOptions.precompiledBinaries!;
+    final prefix = precompiledBinaries.uriPrefix;
+    final url = Uri.parse('$prefix$crateHash/$fileName');
+    final signatureUrl = Uri.parse('$prefix$crateHash/$signatureFileName');
+    _log.fine('Downloading signature from $signatureUrl');
+    final signature = await _get(signatureUrl);
+    if (signature.statusCode == 404) {
+      _log.warning(
+          'Precompiled binaries not available for crate hash $crateHash ($fileName)');
+      return;
+    }
+    if (signature.statusCode != 200) {
+      _log.severe(
+          'Failed to download signature $signatureUrl: status ${signature.statusCode}');
+      return;
+    }
+    _log.fine('Downloading binary from $url');
+    final res = await _get(url);
+    if (res.statusCode != 200) {
+      _log.severe('Failed to download binary $url: status ${res.statusCode}');
+      return;
+    }
+    if (verify(
+        precompiledBinaries.publicKey, res.bodyBytes, signature.bodyBytes)) {
+      File(finalPath).writeAsBytesSync(res.bodyBytes);
+    } else {
+      _log.shout('Signature verification failed! Ignoring binary.');
+    }
+  }
+}
+
+enum AritifactType {
+  staticlib,
+  dylib,
+}
+
+AritifactType artifactTypeForTarget(Target target) {
+  if (target.darwinPlatform != null) {
+    return AritifactType.staticlib;
+  } else {
+    return AritifactType.dylib;
+  }
+}
+
+List<String> getArtifactNames({
+  required Target target,
+  required String libraryName,
+  required bool remote,
+  AritifactType? aritifactType,
+}) {
+  aritifactType ??= artifactTypeForTarget(target);
+  if (target.darwinArch != null) {
+    if (aritifactType == AritifactType.staticlib) {
+      return ['lib$libraryName.a'];
+    } else {
+      return ['lib$libraryName.dylib'];
+    }
+  } else if (target.rust.contains('-windows-')) {
+    if (aritifactType == AritifactType.staticlib) {
+      return ['$libraryName.lib'];
+    } else {
+      return [
+        '$libraryName.dll',
+        '$libraryName.dll.lib',
+        if (!remote) '$libraryName.pdb'
+      ];
+    }
+  } else if (target.rust.contains('-linux-')) {
+    if (aritifactType == AritifactType.staticlib) {
+      return ['lib$libraryName.a'];
+    } else {
+      return ['lib$libraryName.so'];
+    }
+  } else {
+    throw Exception("Unsupported target: ${target.rust}");
+  }
+}

rust_builder/cargokit/build_tool/lib/src/build_cmake.dart

@@ -0,0 +1,40 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:path/path.dart' as path;
+
+import 'artifacts_provider.dart';
+import 'builder.dart';
+import 'environment.dart';
+import 'options.dart';
+import 'target.dart';
+
+class BuildCMake {
+  final CargokitUserOptions userOptions;
+
+  BuildCMake({required this.userOptions});
+
+  Future<void> build() async {
+    final targetPlatform = Environment.targetPlatform;
+    final target = Target.forFlutterName(Environment.targetPlatform);
+    if (target == null) {
+      throw Exception("Unknown target platform: $targetPlatform");
+    }
+
+    final environment = BuildEnvironment.fromEnvironment(isAndroid: false);
+    final provider =
+        ArtifactProvider(environment: environment, userOptions: userOptions);
+    final artifacts = await provider.getArtifacts([target]);
+
+    final libs = artifacts[target]!;
+
+    for (final lib in libs) {
+      if (lib.type == AritifactType.dylib) {
+        File(lib.path)
+            .copySync(path.join(Environment.outputDir, lib.finalFileName));
+      }
+    }
+  }
+}

rust_builder/cargokit/build_tool/lib/src/build_gradle.dart

@@ -0,0 +1,49 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
+
+import 'artifacts_provider.dart';
+import 'builder.dart';
+import 'environment.dart';
+import 'options.dart';
+import 'target.dart';
+
+final log = Logger('build_gradle');
+
+class BuildGradle {
+  BuildGradle({required this.userOptions});
+
+  final CargokitUserOptions userOptions;
+
+  Future<void> build() async {
+    final targets = Environment.targetPlatforms.map((arch) {
+      final target = Target.forFlutterName(arch);
+      if (target == null) {
+        throw Exception(
+            "Unknown darwin target or platform: $arch, ${Environment.darwinPlatformName}");
+      }
+      return target;
+    }).toList();
+
+    final environment = BuildEnvironment.fromEnvironment(isAndroid: true);
+    final provider =
+        ArtifactProvider(environment: environment, userOptions: userOptions);
+    final artifacts = await provider.getArtifacts(targets);
+
+    for (final target in targets) {
+      final libs = artifacts[target]!;
+      final outputDir = path.join(Environment.outputDir, target.android!);
+      Directory(outputDir).createSync(recursive: true);
+
+      for (final lib in libs) {
+        if (lib.type == AritifactType.dylib) {
+          File(lib.path).copySync(path.join(outputDir, lib.finalFileName));
+        }
+      }
+    }
+  }
+}

rust_builder/cargokit/build_tool/lib/src/build_pod.dart

@@ -0,0 +1,89 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:path/path.dart' as path;
+
+import 'artifacts_provider.dart';
+import 'builder.dart';
+import 'environment.dart';
+import 'options.dart';
+import 'target.dart';
+import 'util.dart';
+
+class BuildPod {
+  BuildPod({required this.userOptions});
+
+  final CargokitUserOptions userOptions;
+
+  Future<void> build() async {
+    final targets = Environment.darwinArchs.map((arch) {
+      final target = Target.forDarwin(
+          platformName: Environment.darwinPlatformName, darwinAarch: arch);
+      if (target == null) {
+        throw Exception(
+            "Unknown darwin target or platform: $arch, ${Environment.darwinPlatformName}");
+      }
+      return target;
+    }).toList();
+
+    final environment = BuildEnvironment.fromEnvironment(isAndroid: false);
+    final provider =
+        ArtifactProvider(environment: environment, userOptions: userOptions);
+    final artifacts = await provider.getArtifacts(targets);
+
+    void performLipo(String targetFile, Iterable<String> sourceFiles) {
+      runCommand("lipo", [
+        '-create',
+        ...sourceFiles,
+        '-output',
+        targetFile,
+      ]);
+    }
+
+    final outputDir = Environment.outputDir;
+
+    Directory(outputDir).createSync(recursive: true);
+
+    final staticLibs = artifacts.values
+        .expand((element) => element)
+        .where((element) => element.type == AritifactType.staticlib)
+        .toList();
+    final dynamicLibs = artifacts.values
+        .expand((element) => element)
+        .where((element) => element.type == AritifactType.dylib)
+        .toList();
+
+    final libName = environment.crateInfo.packageName;
+
+    // If there is static lib, use it and link it with pod
+    if (staticLibs.isNotEmpty) {
+      final finalTargetFile = path.join(outputDir, "lib$libName.a");
+      performLipo(finalTargetFile, staticLibs.map((e) => e.path));
+    } else {
+      // Otherwise try to replace bundle dylib with our dylib
+      final bundlePaths = [
+        '$libName.framework/Versions/A/$libName',
+        '$libName.framework/$libName',
+      ];
+
+      for (final bundlePath in bundlePaths) {
+        final targetFile = path.join(outputDir, bundlePath);
+        if (File(targetFile).existsSync()) {
+          performLipo(targetFile, dynamicLibs.map((e) => e.path));
+
+          // Replace absolute id with @rpath one so that it works properly
+          // when moved to Frameworks.
+          runCommand("install_name_tool", [
+            '-id',
+            '@rpath/$bundlePath',
+            targetFile,
+          ]);
+          return;
+        }
+      }
+      throw Exception('Unable to find bundle for dynamic library');
+    }
+  }
+}

rust_builder/cargokit/build_tool/lib/src/build_tool.dart

@@ -0,0 +1,271 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:args/command_runner.dart';
+import 'package:ed25519_edwards/ed25519_edwards.dart';
+import 'package:github/github.dart';
+import 'package:hex/hex.dart';
+import 'package:logging/logging.dart';
+
+import 'android_environment.dart';
+import 'build_cmake.dart';
+import 'build_gradle.dart';
+import 'build_pod.dart';
+import 'logging.dart';
+import 'options.dart';
+import 'precompile_binaries.dart';
+import 'target.dart';
+import 'util.dart';
+import 'verify_binaries.dart';
+
+final log = Logger('build_tool');
+
+abstract class BuildCommand extends Command {
+  Future<void> runBuildCommand(CargokitUserOptions options);
+
+  @override
+  Future<void> run() async {
+    final options = CargokitUserOptions.load();
+
+    if (options.verboseLogging ||
+        Platform.environment['CARGOKIT_VERBOSE'] == '1') {
+      enableVerboseLogging();
+    }
+
+    await runBuildCommand(options);
+  }
+}
+
+class BuildPodCommand extends BuildCommand {
+  @override
+  final name = 'build-pod';
+
+  @override
+  final description = 'Build cocoa pod library';
+
+  @override
+  Future<void> runBuildCommand(CargokitUserOptions options) async {
+    final build = BuildPod(userOptions: options);
+    await build.build();
+  }
+}
+
+class BuildGradleCommand extends BuildCommand {
+  @override
+  final name = 'build-gradle';
+
+  @override
+  final description = 'Build android library';
+
+  @override
+  Future<void> runBuildCommand(CargokitUserOptions options) async {
+    final build = BuildGradle(userOptions: options);
+    await build.build();
+  }
+}
+
+class BuildCMakeCommand extends BuildCommand {
+  @override
+  final name = 'build-cmake';
+
+  @override
+  final description = 'Build CMake library';
+
+  @override
+  Future<void> runBuildCommand(CargokitUserOptions options) async {
+    final build = BuildCMake(userOptions: options);
+    await build.build();
+  }
+}
+
+class GenKeyCommand extends Command {
+  @override
+  final name = 'gen-key';
+
+  @override
+  final description = 'Generate key pair for signing precompiled binaries';
+
+  @override
+  void run() {
+    final kp = generateKey();
+    final private = HEX.encode(kp.privateKey.bytes);
+    final public = HEX.encode(kp.publicKey.bytes);
+    print("Private Key: $private");
+    print("Public Key: $public");
+  }
+}
+
+class PrecompileBinariesCommand extends Command {
+  PrecompileBinariesCommand() {
+    argParser
+      ..addOption(
+        'repository',
+        mandatory: true,
+        help: 'Github repository slug in format owner/name',
+      )
+      ..addOption(
+        'manifest-dir',
+        mandatory: true,
+        help: 'Directory containing Cargo.toml',
+      )
+      ..addMultiOption('target',
+          help: 'Rust target triple of artifact to build.\n'
+              'Can be specified multiple times or omitted in which case\n'
+              'all targets for current platform will be built.')
+      ..addOption(
+        'android-sdk-location',
+        help: 'Location of Android SDK (if available)',
+      )
+      ..addOption(
+        'android-ndk-version',
+        help: 'Android NDK version (if available)',
+      )
+      ..addOption(
+        'android-min-sdk-version',
+        help: 'Android minimum rquired version (if available)',
+      )
+      ..addOption(
+        'temp-dir',
+        help: 'Directory to store temporary build artifacts',
+      )
+      ..addFlag(
+        "verbose",
+        abbr: "v",
+        defaultsTo: false,
+        help: "Enable verbose logging",
+      );
+  }
+
+  @override
+  final name = 'precompile-binaries';
+
+  @override
+  final description = 'Prebuild and upload binaries\n'
+      'Private key must be passed through PRIVATE_KEY environment variable. '
+      'Use gen_key through generate priave key.\n'
+      'Github token must be passed as GITHUB_TOKEN environment variable.\n';
+
+  @override
+  Future<void> run() async {
+    final verbose = argResults!['verbose'] as bool;
+    if (verbose) {
+      enableVerboseLogging();
+    }
+
+    final privateKeyString = Platform.environment['PRIVATE_KEY'];
+    if (privateKeyString == null) {
+      throw ArgumentError('Missing PRIVATE_KEY environment variable');
+    }
+    final githubToken = Platform.environment['GITHUB_TOKEN'];
+    if (githubToken == null) {
+      throw ArgumentError('Missing GITHUB_TOKEN environment variable');
+    }
+    final privateKey = HEX.decode(privateKeyString);
+    if (privateKey.length != 64) {
+      throw ArgumentError('Private key must be 64 bytes long');
+    }
+    final manifestDir = argResults!['manifest-dir'] as String;
+    if (!Directory(manifestDir).existsSync()) {
+      throw ArgumentError('Manifest directory does not exist: $manifestDir');
+    }
+    String? androidMinSdkVersionString =
+        argResults!['android-min-sdk-version'] as String?;
+    int? androidMinSdkVersion;
+    if (androidMinSdkVersionString != null) {
+      androidMinSdkVersion = int.tryParse(androidMinSdkVersionString);
+      if (androidMinSdkVersion == null) {
+        throw ArgumentError(
+            'Invalid android-min-sdk-version: $androidMinSdkVersionString');
+      }
+    }
+    final targetStrigns = argResults!['target'] as List<String>;
+    final targets = targetStrigns.map((target) {
+      final res = Target.forRustTriple(target);
+      if (res == null) {
+        throw ArgumentError('Invalid target: $target');
+      }
+      return res;
+    }).toList(growable: false);
+    final precompileBinaries = PrecompileBinaries(
+      privateKey: PrivateKey(privateKey),
+      githubToken: githubToken,
+      manifestDir: manifestDir,
+      repositorySlug: RepositorySlug.full(argResults!['repository'] as String),
+      targets: targets,
+      androidSdkLocation: argResults!['android-sdk-location'] as String?,
+      androidNdkVersion: argResults!['android-ndk-version'] as String?,
+      androidMinSdkVersion: androidMinSdkVersion,
+      tempDir: argResults!['temp-dir'] as String?,
+    );
+
+    await precompileBinaries.run();
+  }
+}
+
+class VerifyBinariesCommand extends Command {
+  VerifyBinariesCommand() {
+    argParser.addOption(
+      'manifest-dir',
+      mandatory: true,
+      help: 'Directory containing Cargo.toml',
+    );
+  }
+
+  @override
+  final name = "verify-binaries";
+
+  @override
+  final description = 'Verifies published binaries\n'
+      'Checks whether there is a binary published for each targets\n'
+      'and checks the signature.';
+
+  @override
+  Future<void> run() async {
+    final manifestDir = argResults!['manifest-dir'] as String;
+    final verifyBinaries = VerifyBinaries(
+      manifestDir: manifestDir,
+    );
+    await verifyBinaries.run();
+  }
+}
+
+Future<void> runMain(List<String> args) async {
+  try {
+    // Init logging before options are loaded
+    initLogging();
+
+    if (Platform.environment['_CARGOKIT_NDK_LINK_TARGET'] != null) {
+      return AndroidEnvironment.clangLinkerWrapper(args);
+    }
+
+    final runner = CommandRunner('build_tool', 'Cargokit built_tool')
+      ..addCommand(BuildPodCommand())
+      ..addCommand(BuildGradleCommand())
+      ..addCommand(BuildCMakeCommand())
+      ..addCommand(GenKeyCommand())
+      ..addCommand(PrecompileBinariesCommand())
+      ..addCommand(VerifyBinariesCommand());
+
+    await runner.run(args);
+  } on ArgumentError catch (e) {
+    stderr.writeln(e.toString());
+    exit(1);
+  } catch (e, s) {
+    log.severe(kDoubleSeparator);
+    log.severe('Cargokit BuildTool failed with error:');
+    log.severe(kSeparator);
+    log.severe(e);
+    // This tells user to install Rust, there's no need to pollute the log with
+    // stack trace.
+    if (e is! RustupNotFoundException) {
+      log.severe(kSeparator);
+      log.severe(s);
+      log.severe(kSeparator);
+      log.severe('BuildTool arguments: $args');
+    }
+    log.severe(kDoubleSeparator);
+    exit(1);
+  }
+}

rust_builder/cargokit/build_tool/lib/src/builder.dart

@@ -0,0 +1,198 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'package:collection/collection.dart';
+import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
+
+import 'android_environment.dart';
+import 'cargo.dart';
+import 'environment.dart';
+import 'options.dart';
+import 'rustup.dart';
+import 'target.dart';
+import 'util.dart';
+
+final _log = Logger('builder');
+
+enum BuildConfiguration {
+  debug,
+  release,
+  profile,
+}
+
+extension on BuildConfiguration {
+  bool get isDebug => this == BuildConfiguration.debug;
+  String get rustName => switch (this) {
+        BuildConfiguration.debug => 'debug',
+        BuildConfiguration.release => 'release',
+        BuildConfiguration.profile => 'release',
+      };
+}
+
+class BuildException implements Exception {
+  final String message;
+
+  BuildException(this.message);
+
+  @override
+  String toString() {
+    return 'BuildException: $message';
+  }
+}
+
+class BuildEnvironment {
+  final BuildConfiguration configuration;
+  final CargokitCrateOptions crateOptions;
+  final String targetTempDir;
+  final String manifestDir;
+  final CrateInfo crateInfo;
+
+  final bool isAndroid;
+  final String? androidSdkPath;
+  final String? androidNdkVersion;
+  final int? androidMinSdkVersion;
+  final String? javaHome;
+
+  BuildEnvironment({
+    required this.configuration,
+    required this.crateOptions,
+    required this.targetTempDir,
+    required this.manifestDir,
+    required this.crateInfo,
+    required this.isAndroid,
+    this.androidSdkPath,
+    this.androidNdkVersion,
+    this.androidMinSdkVersion,
+    this.javaHome,
+  });
+
+  static BuildConfiguration parseBuildConfiguration(String value) {
+    // XCode configuration adds the flavor to configuration name.
+    final firstSegment = value.split('-').first;
+    final buildConfiguration = BuildConfiguration.values.firstWhereOrNull(
+      (e) => e.name == firstSegment,
+    );
+    if (buildConfiguration == null) {
+      _log.warning('Unknown build configuraiton $value, will assume release');
+      return BuildConfiguration.release;
+    }
+    return buildConfiguration;
+  }
+
+  static BuildEnvironment fromEnvironment({
+    required bool isAndroid,
+  }) {
+    final buildConfiguration =
+        parseBuildConfiguration(Environment.configuration);
+    final manifestDir = Environment.manifestDir;
+    final crateOptions = CargokitCrateOptions.load(
+      manifestDir: manifestDir,
+    );
+    final crateInfo = CrateInfo.load(manifestDir);
+    return BuildEnvironment(
+      configuration: buildConfiguration,
+      crateOptions: crateOptions,
+      targetTempDir: Environment.targetTempDir,
+      manifestDir: manifestDir,
+      crateInfo: crateInfo,
+      isAndroid: isAndroid,
+      androidSdkPath: isAndroid ? Environment.sdkPath : null,
+      androidNdkVersion: isAndroid ? Environment.ndkVersion : null,
+      androidMinSdkVersion:
+          isAndroid ? int.parse(Environment.minSdkVersion) : null,
+      javaHome: isAndroid ? Environment.javaHome : null,
+    );
+  }
+}
+
+class RustBuilder {
+  final Target target;
+  final BuildEnvironment environment;
+
+  RustBuilder({
+    required this.target,
+    required this.environment,
+  });
+
+  void prepare(
+    Rustup rustup,
+  ) {
+    final toolchain = _toolchain;
+    if (rustup.installedTargets(toolchain) == null) {
+      rustup.installToolchain(toolchain);
+    }
+    if (toolchain == 'nightly') {
+      rustup.installRustSrcForNightly();
+    }
+    if (!rustup.installedTargets(toolchain)!.contains(target.rust)) {
+      rustup.installTarget(target.rust, toolchain: toolchain);
+    }
+  }
+
+  CargoBuildOptions? get _buildOptions =>
+      environment.crateOptions.cargo[environment.configuration];
+
+  String get _toolchain => _buildOptions?.toolchain.name ?? 'stable';
+
+  /// Returns the path of directory containing build artifacts.
+  Future<String> build() async {
+    final extraArgs = _buildOptions?.flags ?? [];
+    final manifestPath = path.join(environment.manifestDir, 'Cargo.toml');
+    runCommand(
+      'rustup',
+      [
+        'run',
+        _toolchain,
+        'cargo',
+        'build',
+        ...extraArgs,
+        '--manifest-path',
+        manifestPath,
+        '-p',
+        environment.crateInfo.packageName,
+        if (!environment.configuration.isDebug) '--release',
+        '--target',
+        target.rust,
+        '--target-dir',
+        environment.targetTempDir,
+      ],
+      environment: await _buildEnvironment(),
+    );
+    return path.join(
+      environment.targetTempDir,
+      target.rust,
+      environment.configuration.rustName,
+    );
+  }
+
+  Future<Map<String, String>> _buildEnvironment() async {
+    if (target.android == null) {
+      return {};
+    } else {
+      final sdkPath = environment.androidSdkPath;
+      final ndkVersion = environment.androidNdkVersion;
+      final minSdkVersion = environment.androidMinSdkVersion;
+      if (sdkPath == null) {
+        throw BuildException('androidSdkPath is not set');
+      }
+      if (ndkVersion == null) {
+        throw BuildException('androidNdkVersion is not set');
+      }
+      if (minSdkVersion == null) {
+        throw BuildException('androidMinSdkVersion is not set');
+      }
+      final env = AndroidEnvironment(
+        sdkPath: sdkPath,
+        ndkVersion: ndkVersion,
+        minSdkVersion: minSdkVersion,
+        targetTempDir: environment.targetTempDir,
+        target: target,
+      );
+      if (!env.ndkIsInstalled() && environment.javaHome != null) {
+        env.installNdk(javaHome: environment.javaHome!);
+      }
+      return env.buildEnvironment();
+    }
+  }
+}

rust_builder/cargokit/build_tool/lib/src/cargo.dart

@@ -0,0 +1,48 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:path/path.dart' as path;
+import 'package:toml/toml.dart';
+
+class ManifestException {
+  ManifestException(this.message, {required this.fileName});
+
+  final String? fileName;
+  final String message;
+
+  @override
+  String toString() {
+    if (fileName != null) {
+      return 'Failed to parse package manifest at $fileName: $message';
+    } else {
+      return 'Failed to parse package manifest: $message';
+    }
+  }
+}
+
+class CrateInfo {
+  CrateInfo({required this.packageName});
+
+  final String packageName;
+
+  static CrateInfo parseManifest(String manifest, {final String? fileName}) {
+    final toml = TomlDocument.parse(manifest);
+    final package = toml.toMap()['package'];
+    if (package == null) {
+      throw ManifestException('Missing package section', fileName: fileName);
+    }
+    final name = package['name'];
+    if (name == null) {
+      throw ManifestException('Missing package name', fileName: fileName);
+    }
+    return CrateInfo(packageName: name);
+  }
+
+  static CrateInfo load(String manifestDir) {
+    final manifestFile = File(path.join(manifestDir, 'Cargo.toml'));
+    final manifest = manifestFile.readAsStringSync();
+    return parseManifest(manifest, fileName: manifestFile.path);
+  }
+}

rust_builder/cargokit/build_tool/lib/src/crate_hash.dart

@@ -0,0 +1,124 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:convert';
+import 'dart:io';
+import 'dart:typed_data';
+
+import 'package:collection/collection.dart';
+import 'package:convert/convert.dart';
+import 'package:crypto/crypto.dart';
+import 'package:path/path.dart' as path;
+
+class CrateHash {
+  /// Computes a hash uniquely identifying crate content. This takes into account
+  /// content all all .rs files inside the src directory, as well as Cargo.toml,
+  /// Cargo.lock, build.rs and cargokit.yaml.
+  ///
+  /// If [tempStorage] is provided, computed hash is stored in a file in that directory
+  /// and reused on subsequent calls if the crate content hasn't changed.
+  static String compute(String manifestDir, {String? tempStorage}) {
+    return CrateHash._(
+      manifestDir: manifestDir,
+      tempStorage: tempStorage,
+    )._compute();
+  }
+
+  CrateHash._({
+    required this.manifestDir,
+    required this.tempStorage,
+  });
+
+  String _compute() {
+    final files = getFiles();
+    final tempStorage = this.tempStorage;
+    if (tempStorage != null) {
+      final quickHash = _computeQuickHash(files);
+      final quickHashFolder = Directory(path.join(tempStorage, 'crate_hash'));
+      quickHashFolder.createSync(recursive: true);
+      final quickHashFile = File(path.join(quickHashFolder.path, quickHash));
+      if (quickHashFile.existsSync()) {
+        return quickHashFile.readAsStringSync();
+      }
+      final hash = _computeHash(files);
+      quickHashFile.writeAsStringSync(hash);
+      return hash;
+    } else {
+      return _computeHash(files);
+    }
+  }
+
+  /// Computes a quick hash based on files stat (without reading contents). This
+  /// is used to cache the real hash, which is slower to compute since it involves
+  /// reading every single file.
+  String _computeQuickHash(List<File> files) {
+    final output = AccumulatorSink<Digest>();
+    final input = sha256.startChunkedConversion(output);
+
+    final data = ByteData(8);
+    for (final file in files) {
+      input.add(utf8.encode(file.path));
+      final stat = file.statSync();
+      data.setUint64(0, stat.size);
+      input.add(data.buffer.asUint8List());
+      data.setUint64(0, stat.modified.millisecondsSinceEpoch);
+      input.add(data.buffer.asUint8List());
+    }
+
+    input.close();
+    return base64Url.encode(output.events.single.bytes);
+  }
+
+  String _computeHash(List<File> files) {
+    final output = AccumulatorSink<Digest>();
+    final input = sha256.startChunkedConversion(output);
+
+    void addTextFile(File file) {
+      // text Files are hashed by lines in case we're dealing with github checkout
+      // that auto-converts line endings.
+      final splitter = LineSplitter();
+      if (file.existsSync()) {
+        final data = file.readAsStringSync();
+        final lines = splitter.convert(data);
+        for (final line in lines) {
+          input.add(utf8.encode(line));
+        }
+      }
+    }
+
+    for (final file in files) {
+      addTextFile(file);
+    }
+
+    input.close();
+    final res = output.events.single;
+
+    // Truncate to 128bits.
+    final hash = res.bytes.sublist(0, 16);
+    return hex.encode(hash);
+  }
+
+  List<File> getFiles() {
+    final src = Directory(path.join(manifestDir, 'src'));
+    final files = src
+        .listSync(recursive: true, followLinks: false)
+        .whereType<File>()
+        .toList();
+    files.sortBy((element) => element.path);
+    void addFile(String relative) {
+      final file = File(path.join(manifestDir, relative));
+      if (file.existsSync()) {
+        files.add(file);
+      }
+    }
+
+    addFile('Cargo.toml');
+    addFile('Cargo.lock');
+    addFile('build.rs');
+    addFile('cargokit.yaml');
+    return files;
+  }
+
+  final String manifestDir;
+  final String? tempStorage;
+}

rust_builder/cargokit/build_tool/lib/src/environment.dart

@@ -0,0 +1,68 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+extension on String {
+  String resolveSymlink() => File(this).resolveSymbolicLinksSync();
+}
+
+class Environment {
+  /// Current build configuration (debug or release).
+  static String get configuration =>
+      _getEnv("CARGOKIT_CONFIGURATION").toLowerCase();
+
+  static bool get isDebug => configuration == 'debug';
+  static bool get isRelease => configuration == 'release';
+
+  /// Temporary directory where Rust build artifacts are placed.
+  static String get targetTempDir => _getEnv("CARGOKIT_TARGET_TEMP_DIR");
+
+  /// Final output directory where the build artifacts are placed.
+  static String get outputDir => _getEnvPath('CARGOKIT_OUTPUT_DIR');
+
+  /// Path to the crate manifest (containing Cargo.toml).
+  static String get manifestDir => _getEnvPath('CARGOKIT_MANIFEST_DIR');
+
+  /// Directory inside root project. Not necessarily root folder. Symlinks are
+  /// not resolved on purpose.
+  static String get rootProjectDir => _getEnv('CARGOKIT_ROOT_PROJECT_DIR');
+
+  // Pod
+
+  /// Platform name (macosx, iphoneos, iphonesimulator).
+  static String get darwinPlatformName =>
+      _getEnv("CARGOKIT_DARWIN_PLATFORM_NAME");
+
+  /// List of architectures to build for (arm64, armv7, x86_64).
+  static List<String> get darwinArchs =>
+      _getEnv("CARGOKIT_DARWIN_ARCHS").split(' ');
+
+  // Gradle
+  static String get minSdkVersion => _getEnv("CARGOKIT_MIN_SDK_VERSION");
+  static String get ndkVersion => _getEnv("CARGOKIT_NDK_VERSION");
+  static String get sdkPath => _getEnvPath("CARGOKIT_SDK_DIR");
+  static String get javaHome => _getEnvPath("CARGOKIT_JAVA_HOME");
+  static List<String> get targetPlatforms =>
+      _getEnv("CARGOKIT_TARGET_PLATFORMS").split(',');
+
+  // CMAKE
+  static String get targetPlatform => _getEnv("CARGOKIT_TARGET_PLATFORM");
+
+  static String _getEnv(String key) {
+    final res = Platform.environment[key];
+    if (res == null) {
+      throw Exception("Missing environment variable $key");
+    }
+    return res;
+  }
+
+  static String _getEnvPath(String key) {
+    final res = _getEnv(key);
+    if (Directory(res).existsSync()) {
+      return res.resolveSymlink();
+    } else {
+      return res;
+    }
+  }
+}

rust_builder/cargokit/build_tool/lib/src/logging.dart

@@ -0,0 +1,52 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:logging/logging.dart';
+
+const String kSeparator = "--";
+const String kDoubleSeparator = "==";
+
+bool _lastMessageWasSeparator = false;
+
+void _log(LogRecord rec) {
+  final prefix = '${rec.level.name}: ';
+  final out = rec.level == Level.SEVERE ? stderr : stdout;
+  if (rec.message == kSeparator) {
+    if (!_lastMessageWasSeparator) {
+      out.write(prefix);
+      out.writeln('-' * 80);
+      _lastMessageWasSeparator = true;
+    }
+    return;
+  } else if (rec.message == kDoubleSeparator) {
+    out.write(prefix);
+    out.writeln('=' * 80);
+    _lastMessageWasSeparator = true;
+    return;
+  }
+  out.write(prefix);
+  out.writeln(rec.message);
+  _lastMessageWasSeparator = false;
+}
+
+void initLogging() {
+  Logger.root.level = Level.INFO;
+  Logger.root.onRecord.listen((LogRecord rec) {
+    final lines = rec.message.split('\n');
+    for (final line in lines) {
+      if (line.isNotEmpty || lines.length == 1 || line != lines.last) {
+        _log(LogRecord(
+          rec.level,
+          line,
+          rec.loggerName,
+        ));
+      }
+    }
+  });
+}
+
+void enableVerboseLogging() {
+  Logger.root.level = Level.ALL;
+}

rust_builder/cargokit/build_tool/lib/src/options.dart

@@ -0,0 +1,309 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:collection/collection.dart';
+import 'package:ed25519_edwards/ed25519_edwards.dart';
+import 'package:hex/hex.dart';
+import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
+import 'package:source_span/source_span.dart';
+import 'package:yaml/yaml.dart';
+
+import 'builder.dart';
+import 'environment.dart';
+import 'rustup.dart';
+
+final _log = Logger('options');
+
+/// A class for exceptions that have source span information attached.
+class SourceSpanException implements Exception {
+  // This is a getter so that subclasses can override it.
+  /// A message describing the exception.
+  String get message => _message;
+  final String _message;
+
+  // This is a getter so that subclasses can override it.
+  /// The span associated with this exception.
+  ///
+  /// This may be `null` if the source location can't be determined.
+  SourceSpan? get span => _span;
+  final SourceSpan? _span;
+
+  SourceSpanException(this._message, this._span);
+
+  /// Returns a string representation of `this`.
+  ///
+  /// [color] may either be a [String], a [bool], or `null`. If it's a string,
+  /// it indicates an ANSI terminal color escape that should be used to
+  /// highlight the span's text. If it's `true`, it indicates that the text
+  /// should be highlighted using the default color. If it's `false` or `null`,
+  /// it indicates that the text shouldn't be highlighted.
+  @override
+  String toString({Object? color}) {
+    if (span == null) return message;
+    return 'Error on ${span!.message(message, color: color)}';
+  }
+}
+
+enum Toolchain {
+  stable,
+  beta,
+  nightly,
+}
+
+class CargoBuildOptions {
+  final Toolchain toolchain;
+  final List<String> flags;
+
+  CargoBuildOptions({
+    required this.toolchain,
+    required this.flags,
+  });
+
+  static Toolchain _toolchainFromNode(YamlNode node) {
+    if (node case YamlScalar(value: String name)) {
+      final toolchain =
+          Toolchain.values.firstWhereOrNull((element) => element.name == name);
+      if (toolchain != null) {
+        return toolchain;
+      }
+    }
+    throw SourceSpanException(
+        'Unknown toolchain. Must be one of ${Toolchain.values.map((e) => e.name)}.',
+        node.span);
+  }
+
+  static CargoBuildOptions parse(YamlNode node) {
+    if (node is! YamlMap) {
+      throw SourceSpanException('Cargo options must be a map', node.span);
+    }
+    Toolchain toolchain = Toolchain.stable;
+    List<String> flags = [];
+    for (final MapEntry(:key, :value) in node.nodes.entries) {
+      if (key case YamlScalar(value: 'toolchain')) {
+        toolchain = _toolchainFromNode(value);
+      } else if (key case YamlScalar(value: 'extra_flags')) {
+        if (value case YamlList(nodes: List<YamlNode> list)) {
+          if (list.every((element) {
+            if (element case YamlScalar(value: String _)) {
+              return true;
+            }
+            return false;
+          })) {
+            flags = list.map((e) => e.value as String).toList();
+            continue;
+          }
+        }
+        throw SourceSpanException(
+            'Extra flags must be a list of strings', value.span);
+      } else {
+        throw SourceSpanException(
+            'Unknown cargo option type. Must be "toolchain" or "extra_flags".',
+            key.span);
+      }
+    }
+    return CargoBuildOptions(toolchain: toolchain, flags: flags);
+  }
+}
+
+extension on YamlMap {
+  /// Map that extracts keys so that we can do map case check on them.
+  Map<dynamic, YamlNode> get valueMap =>
+      nodes.map((key, value) => MapEntry(key.value, value));
+}
+
+class PrecompiledBinaries {
+  final String uriPrefix;
+  final PublicKey publicKey;
+
+  PrecompiledBinaries({
+    required this.uriPrefix,
+    required this.publicKey,
+  });
+
+  static PublicKey _publicKeyFromHex(String key, SourceSpan? span) {
+    final bytes = HEX.decode(key);
+    if (bytes.length != 32) {
+      throw SourceSpanException(
+          'Invalid public key. Must be 32 bytes long.', span);
+    }
+    return PublicKey(bytes);
+  }
+
+  static PrecompiledBinaries parse(YamlNode node) {
+    if (node case YamlMap(valueMap: Map<dynamic, YamlNode> map)) {
+      if (map
+          case {
+            'url_prefix': YamlNode urlPrefixNode,
+            'public_key': YamlNode publicKeyNode,
+          }) {
+        final urlPrefix = switch (urlPrefixNode) {
+          YamlScalar(value: String urlPrefix) => urlPrefix,
+          _ => throw SourceSpanException(
+              'Invalid URL prefix value.', urlPrefixNode.span),
+        };
+        final publicKey = switch (publicKeyNode) {
+          YamlScalar(value: String publicKey) =>
+            _publicKeyFromHex(publicKey, publicKeyNode.span),
+          _ => throw SourceSpanException(
+              'Invalid public key value.', publicKeyNode.span),
+        };
+        return PrecompiledBinaries(
+          uriPrefix: urlPrefix,
+          publicKey: publicKey,
+        );
+      }
+    }
+    throw SourceSpanException(
+        'Invalid precompiled binaries value. '
+        'Expected Map with "url_prefix" and "public_key".',
+        node.span);
+  }
+}
+
+/// Cargokit options specified for Rust crate.
+class CargokitCrateOptions {
+  CargokitCrateOptions({
+    this.cargo = const {},
+    this.precompiledBinaries,
+  });
+
+  final Map<BuildConfiguration, CargoBuildOptions> cargo;
+  final PrecompiledBinaries? precompiledBinaries;
+
+  static CargokitCrateOptions parse(YamlNode node) {
+    if (node is! YamlMap) {
+      throw SourceSpanException('Cargokit options must be a map', node.span);
+    }
+    final options = <BuildConfiguration, CargoBuildOptions>{};
+    PrecompiledBinaries? precompiledBinaries;
+
+    for (final entry in node.nodes.entries) {
+      if (entry
+          case MapEntry(
+            key: YamlScalar(value: 'cargo'),
+            value: YamlNode node,
+          )) {
+        if (node is! YamlMap) {
+          throw SourceSpanException('Cargo options must be a map', node.span);
+        }
+        for (final MapEntry(:YamlNode key, :value) in node.nodes.entries) {
+          if (key case YamlScalar(value: String name)) {
+            final configuration = BuildConfiguration.values
+                .firstWhereOrNull((element) => element.name == name);
+            if (configuration != null) {
+              options[configuration] = CargoBuildOptions.parse(value);
+              continue;
+            }
+          }
+          throw SourceSpanException(
+              'Unknown build configuration. Must be one of ${BuildConfiguration.values.map((e) => e.name)}.',
+              key.span);
+        }
+      } else if (entry.key case YamlScalar(value: 'precompiled_binaries')) {
+        precompiledBinaries = PrecompiledBinaries.parse(entry.value);
+      } else {
+        throw SourceSpanException(
+            'Unknown cargokit option type. Must be "cargo" or "precompiled_binaries".',
+            entry.key.span);
+      }
+    }
+    return CargokitCrateOptions(
+      cargo: options,
+      precompiledBinaries: precompiledBinaries,
+    );
+  }
+
+  static CargokitCrateOptions load({
+    required String manifestDir,
+  }) {
+    final uri = Uri.file(path.join(manifestDir, "cargokit.yaml"));
+    final file = File.fromUri(uri);
+    if (file.existsSync()) {
+      final contents = loadYamlNode(file.readAsStringSync(), sourceUrl: uri);
+      return parse(contents);
+    } else {
+      return CargokitCrateOptions();
+    }
+  }
+}
+
+class CargokitUserOptions {
+  // When Rustup is installed always build locally unless user opts into
+  // using precompiled binaries.
+  static bool defaultUsePrecompiledBinaries() {
+    return Rustup.executablePath() == null;
+  }
+
+  CargokitUserOptions({
+    required this.usePrecompiledBinaries,
+    required this.verboseLogging,
+  });
+
+  CargokitUserOptions._()
+      : usePrecompiledBinaries = defaultUsePrecompiledBinaries(),
+        verboseLogging = false;
+
+  static CargokitUserOptions parse(YamlNode node) {
+    if (node is! YamlMap) {
+      throw SourceSpanException('Cargokit options must be a map', node.span);
+    }
+    bool usePrecompiledBinaries = defaultUsePrecompiledBinaries();
+    bool verboseLogging = false;
+
+    for (final entry in node.nodes.entries) {
+      if (entry.key case YamlScalar(value: 'use_precompiled_binaries')) {
+        if (entry.value case YamlScalar(value: bool value)) {
+          usePrecompiledBinaries = value;
+          continue;
+        }
+        throw SourceSpanException(
+            'Invalid value for "use_precompiled_binaries". Must be a boolean.',
+            entry.value.span);
+      } else if (entry.key case YamlScalar(value: 'verbose_logging')) {
+        if (entry.value case YamlScalar(value: bool value)) {
+          verboseLogging = value;
+          continue;
+        }
+        throw SourceSpanException(
+            'Invalid value for "verbose_logging". Must be a boolean.',
+            entry.value.span);
+      } else {
+        throw SourceSpanException(
+            'Unknown cargokit option type. Must be "use_precompiled_binaries" or "verbose_logging".',
+            entry.key.span);
+      }
+    }
+    return CargokitUserOptions(
+      usePrecompiledBinaries: usePrecompiledBinaries,
+      verboseLogging: verboseLogging,
+    );
+  }
+
+  static CargokitUserOptions load() {
+    String fileName = "cargokit_options.yaml";
+    var userProjectDir = Directory(Environment.rootProjectDir);
+
+    while (userProjectDir.parent.path != userProjectDir.path) {
+      final configFile = File(path.join(userProjectDir.path, fileName));
+      if (configFile.existsSync()) {
+        final contents = loadYamlNode(
+          configFile.readAsStringSync(),
+          sourceUrl: configFile.uri,
+        );
+        final res = parse(contents);
+        if (res.verboseLogging) {
+          _log.info('Found user options file at ${configFile.path}');
+        }
+        return res;
+      }
+      userProjectDir = userProjectDir.parent;
+    }
+    return CargokitUserOptions._();
+  }
+
+  final bool usePrecompiledBinaries;
+  final bool verboseLogging;
+}

rust_builder/cargokit/build_tool/lib/src/precompile_binaries.dart

@@ -0,0 +1,202 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:ed25519_edwards/ed25519_edwards.dart';
+import 'package:github/github.dart';
+import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
+
+import 'artifacts_provider.dart';
+import 'builder.dart';
+import 'cargo.dart';
+import 'crate_hash.dart';
+import 'options.dart';
+import 'rustup.dart';
+import 'target.dart';
+
+final _log = Logger('precompile_binaries');
+
+class PrecompileBinaries {
+  PrecompileBinaries({
+    required this.privateKey,
+    required this.githubToken,
+    required this.repositorySlug,
+    required this.manifestDir,
+    required this.targets,
+    this.androidSdkLocation,
+    this.androidNdkVersion,
+    this.androidMinSdkVersion,
+    this.tempDir,
+  });
+
+  final PrivateKey privateKey;
+  final String githubToken;
+  final RepositorySlug repositorySlug;
+  final String manifestDir;
+  final List<Target> targets;
+  final String? androidSdkLocation;
+  final String? androidNdkVersion;
+  final int? androidMinSdkVersion;
+  final String? tempDir;
+
+  static String fileName(Target target, String name) {
+    return '${target.rust}_$name';
+  }
+
+  static String signatureFileName(Target target, String name) {
+    return '${target.rust}_$name.sig';
+  }
+
+  Future<void> run() async {
+    final crateInfo = CrateInfo.load(manifestDir);
+
+    final targets = List.of(this.targets);
+    if (targets.isEmpty) {
+      targets.addAll([
+        ...Target.buildableTargets(),
+        if (androidSdkLocation != null) ...Target.androidTargets(),
+      ]);
+    }
+
+    _log.info('Precompiling binaries for $targets');
+
+    final hash = CrateHash.compute(manifestDir);
+    _log.info('Computed crate hash: $hash');
+
+    final String tagName = 'precompiled_$hash';
+
+    final github = GitHub(auth: Authentication.withToken(githubToken));
+    final repo = github.repositories;
+    final release = await _getOrCreateRelease(
+      repo: repo,
+      tagName: tagName,
+      packageName: crateInfo.packageName,
+      hash: hash,
+    );
+
+    final tempDir = this.tempDir != null
+        ? Directory(this.tempDir!)
+        : Directory.systemTemp.createTempSync('precompiled_');
+
+    tempDir.createSync(recursive: true);
+
+    final crateOptions = CargokitCrateOptions.load(
+      manifestDir: manifestDir,
+    );
+
+    final buildEnvironment = BuildEnvironment(
+      configuration: BuildConfiguration.release,
+      crateOptions: crateOptions,
+      targetTempDir: tempDir.path,
+      manifestDir: manifestDir,
+      crateInfo: crateInfo,
+      isAndroid: androidSdkLocation != null,
+      androidSdkPath: androidSdkLocation,
+      androidNdkVersion: androidNdkVersion,
+      androidMinSdkVersion: androidMinSdkVersion,
+    );
+
+    final rustup = Rustup();
+
+    for (final target in targets) {
+      final artifactNames = getArtifactNames(
+        target: target,
+        libraryName: crateInfo.packageName,
+        remote: true,
+      );
+
+      if (artifactNames.every((name) {
+        final fileName = PrecompileBinaries.fileName(target, name);
+        return (release.assets ?? []).any((e) => e.name == fileName);
+      })) {
+        _log.info("All artifacts for $target already exist - skipping");
+        continue;
+      }
+
+      _log.info('Building for $target');
+
+      final builder =
+          RustBuilder(target: target, environment: buildEnvironment);
+      builder.prepare(rustup);
+      final res = await builder.build();
+
+      final assets = <CreateReleaseAsset>[];
+      for (final name in artifactNames) {
+        final file = File(path.join(res, name));
+        if (!file.existsSync()) {
+          throw Exception('Missing artifact: ${file.path}');
+        }
+
+        final data = file.readAsBytesSync();
+        final create = CreateReleaseAsset(
+          name: PrecompileBinaries.fileName(target, name),
+          contentType: "application/octet-stream",
+          assetData: data,
+        );
+        final signature = sign(privateKey, data);
+        final signatureCreate = CreateReleaseAsset(
+          name: signatureFileName(target, name),
+          contentType: "application/octet-stream",
+          assetData: signature,
+        );
+        bool verified = verify(public(privateKey), data, signature);
+        if (!verified) {
+          throw Exception('Signature verification failed');
+        }
+        assets.add(create);
+        assets.add(signatureCreate);
+      }
+      _log.info('Uploading assets: ${assets.map((e) => e.name)}');
+      for (final asset in assets) {
+        // This seems to be failing on CI so do it one by one
+        int retryCount = 0;
+        while (true) {
+          try {
+            await repo.uploadReleaseAssets(release, [asset]);
+            break;
+          } on Exception catch (e) {
+            if (retryCount == 10) {
+              rethrow;
+            }
+            ++retryCount;
+            _log.shout(
+                'Upload failed (attempt $retryCount, will retry): ${e.toString()}');
+            await Future.delayed(Duration(seconds: 2));
+          }
+        }
+      }
+    }
+
+    _log.info('Cleaning up');
+    tempDir.deleteSync(recursive: true);
+  }
+
+  Future<Release> _getOrCreateRelease({
+    required RepositoriesService repo,
+    required String tagName,
+    required String packageName,
+    required String hash,
+  }) async {
+    Release release;
+    try {
+      _log.info('Fetching release $tagName');
+      release = await repo.getReleaseByTagName(repositorySlug, tagName);
+    } on ReleaseNotFound {
+      _log.info('Release not found - creating release $tagName');
+      release = await repo.createRelease(
+          repositorySlug,
+          CreateRelease.from(
+            tagName: tagName,
+            name: 'Precompiled binaries ${hash.substring(0, 8)}',
+            targetCommitish: null,
+            isDraft: false,
+            isPrerelease: false,
+            body: 'Precompiled binaries for crate $packageName, '
+                'crate hash $hash.',
+          ));
+    }
+    return release;
+  }
+}

rust_builder/cargokit/build_tool/lib/src/rustup.dart

@@ -0,0 +1,136 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:collection/collection.dart';
+import 'package:path/path.dart' as path;
+
+import 'util.dart';
+
+class _Toolchain {
+  _Toolchain(
+    this.name,
+    this.targets,
+  );
+
+  final String name;
+  final List<String> targets;
+}
+
+class Rustup {
+  List<String>? installedTargets(String toolchain) {
+    final targets = _installedTargets(toolchain);
+    return targets != null ? List.unmodifiable(targets) : null;
+  }
+
+  void installToolchain(String toolchain) {
+    log.info("Installing Rust toolchain: $toolchain");
+    runCommand("rustup", ['toolchain', 'install', toolchain]);
+    _installedToolchains
+        .add(_Toolchain(toolchain, _getInstalledTargets(toolchain)));
+  }
+
+  void installTarget(
+    String target, {
+    required String toolchain,
+  }) {
+    log.info("Installing Rust target: $target");
+    runCommand("rustup", [
+      'target',
+      'add',
+      '--toolchain',
+      toolchain,
+      target,
+    ]);
+    _installedTargets(toolchain)?.add(target);
+  }
+
+  final List<_Toolchain> _installedToolchains;
+
+  Rustup() : _installedToolchains = _getInstalledToolchains();
+
+  List<String>? _installedTargets(String toolchain) => _installedToolchains
+      .firstWhereOrNull(
+          (e) => e.name == toolchain || e.name.startsWith('$toolchain-'))
+      ?.targets;
+
+  static List<_Toolchain> _getInstalledToolchains() {
+    String extractToolchainName(String line) {
+      // ignore (default) after toolchain name
+      final parts = line.split(' ');
+      return parts[0];
+    }
+
+    final res = runCommand("rustup", ['toolchain', 'list']);
+
+    // To list all non-custom toolchains, we need to filter out lines that
+    // don't start with "stable", "beta", or "nightly".
+    Pattern nonCustom = RegExp(r"^(stable|beta|nightly)");
+    final lines = res.stdout
+        .toString()
+        .split('\n')
+        .where((e) => e.isNotEmpty && e.startsWith(nonCustom))
+        .map(extractToolchainName)
+        .toList(growable: true);
+
+    return lines
+        .map(
+          (name) => _Toolchain(
+            name,
+            _getInstalledTargets(name),
+          ),
+        )
+        .toList(growable: true);
+  }
+
+  static List<String> _getInstalledTargets(String toolchain) {
+    final res = runCommand("rustup", [
+      'target',
+      'list',
+      '--toolchain',
+      toolchain,
+      '--installed',
+    ]);
+    final lines = res.stdout
+        .toString()
+        .split('\n')
+        .where((e) => e.isNotEmpty)
+        .toList(growable: true);
+    return lines;
+  }
+
+  bool _didInstallRustSrcForNightly = false;
+
+  void installRustSrcForNightly() {
+    if (_didInstallRustSrcForNightly) {
+      return;
+    }
+    // Useful for -Z build-std
+    runCommand(
+      "rustup",
+      ['component', 'add', 'rust-src', '--toolchain', 'nightly'],
+    );
+    _didInstallRustSrcForNightly = true;
+  }
+
+  static String? executablePath() {
+    final envPath = Platform.environment['PATH'];
+    final envPathSeparator = Platform.isWindows ? ';' : ':';
+    final home = Platform.isWindows
+        ? Platform.environment['USERPROFILE']
+        : Platform.environment['HOME'];
+    final paths = [
+      if (home != null) path.join(home, '.cargo', 'bin'),
+      if (envPath != null) ...envPath.split(envPathSeparator),
+    ];
+    for (final p in paths) {
+      final rustup = Platform.isWindows ? 'rustup.exe' : 'rustup';
+      final rustupPath = path.join(p, rustup);
+      if (File(rustupPath).existsSync()) {
+        return rustupPath;
+      }
+    }
+    return null;
+  }
+}

rust_builder/cargokit/build_tool/lib/src/target.dart

@@ -0,0 +1,140 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:collection/collection.dart';
+
+import 'util.dart';
+
+class Target {
+  Target({
+    required this.rust,
+    this.flutter,
+    this.android,
+    this.androidMinSdkVersion,
+    this.darwinPlatform,
+    this.darwinArch,
+  });
+
+  static final all = [
+    Target(
+      rust: 'armv7-linux-androideabi',
+      flutter: 'android-arm',
+      android: 'armeabi-v7a',
+      androidMinSdkVersion: 16,
+    ),
+    Target(
+      rust: 'aarch64-linux-android',
+      flutter: 'android-arm64',
+      android: 'arm64-v8a',
+      androidMinSdkVersion: 21,
+    ),
+    Target(
+      rust: 'i686-linux-android',
+      flutter: 'android-x86',
+      android: 'x86',
+      androidMinSdkVersion: 16,
+    ),
+    Target(
+      rust: 'x86_64-linux-android',
+      flutter: 'android-x64',
+      android: 'x86_64',
+      androidMinSdkVersion: 21,
+    ),
+    Target(
+      rust: 'x86_64-pc-windows-msvc',
+      flutter: 'windows-x64',
+    ),
+    Target(
+      rust: 'x86_64-unknown-linux-gnu',
+      flutter: 'linux-x64',
+    ),
+    Target(
+      rust: 'aarch64-unknown-linux-gnu',
+      flutter: 'linux-arm64',
+    ),
+    Target(
+      rust: 'x86_64-apple-darwin',
+      darwinPlatform: 'macosx',
+      darwinArch: 'x86_64',
+    ),
+    Target(
+      rust: 'aarch64-apple-darwin',
+      darwinPlatform: 'macosx',
+      darwinArch: 'arm64',
+    ),
+    Target(
+      rust: 'aarch64-apple-ios',
+      darwinPlatform: 'iphoneos',
+      darwinArch: 'arm64',
+    ),
+    Target(
+      rust: 'aarch64-apple-ios-sim',
+      darwinPlatform: 'iphonesimulator',
+      darwinArch: 'arm64',
+    ),
+    Target(
+      rust: 'x86_64-apple-ios',
+      darwinPlatform: 'iphonesimulator',
+      darwinArch: 'x86_64',
+    ),
+  ];
+
+  static Target? forFlutterName(String flutterName) {
+    return all.firstWhereOrNull((element) => element.flutter == flutterName);
+  }
+
+  static Target? forDarwin({
+    required String platformName,
+    required String darwinAarch,
+  }) {
+    return all.firstWhereOrNull((element) => //
+        element.darwinPlatform == platformName &&
+        element.darwinArch == darwinAarch);
+  }
+
+  static Target? forRustTriple(String triple) {
+    return all.firstWhereOrNull((element) => element.rust == triple);
+  }
+
+  static List<Target> androidTargets() {
+    return all
+        .where((element) => element.android != null)
+        .toList(growable: false);
+  }
+
+  /// Returns buildable targets on current host platform ignoring Android targets.
+  static List<Target> buildableTargets() {
+    if (Platform.isLinux) {
+      // Right now we don't support cross-compiling on Linux. So we just return
+      // the host target.
+      final arch = runCommand('arch', []).stdout as String;
+      if (arch.trim() == 'aarch64') {
+        return [Target.forRustTriple('aarch64-unknown-linux-gnu')!];
+      } else {
+        return [Target.forRustTriple('x86_64-unknown-linux-gnu')!];
+      }
+    }
+    return all.where((target) {
+      if (Platform.isWindows) {
+        return target.rust.contains('-windows-');
+      } else if (Platform.isMacOS) {
+        return target.darwinPlatform != null;
+      }
+      return false;
+    }).toList(growable: false);
+  }
+
+  @override
+  String toString() {
+    return rust;
+  }
+
+  final String? flutter;
+  final String rust;
+  final String? android;
+  final int? androidMinSdkVersion;
+  final String? darwinPlatform;
+  final String? darwinArch;
+}

rust_builder/cargokit/build_tool/lib/src/util.dart

@@ -0,0 +1,172 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:logging/logging.dart';
+import 'package:path/path.dart' as path;
+
+import 'logging.dart';
+import 'rustup.dart';
+
+final log = Logger("process");
+
+class CommandFailedException implements Exception {
+  final String executable;
+  final List<String> arguments;
+  final ProcessResult result;
+
+  CommandFailedException({
+    required this.executable,
+    required this.arguments,
+    required this.result,
+  });
+
+  @override
+  String toString() {
+    final stdout = result.stdout.toString().trim();
+    final stderr = result.stderr.toString().trim();
+    return [
+      "External Command: $executable ${arguments.map((e) => '"$e"').join(' ')}",
+      "Returned Exit Code: ${result.exitCode}",
+      kSeparator,
+      "STDOUT:",
+      if (stdout.isNotEmpty) stdout,
+      kSeparator,
+      "STDERR:",
+      if (stderr.isNotEmpty) stderr,
+    ].join('\n');
+  }
+}
+
+class TestRunCommandArgs {
+  final String executable;
+  final List<String> arguments;
+  final String? workingDirectory;
+  final Map<String, String>? environment;
+  final bool includeParentEnvironment;
+  final bool runInShell;
+  final Encoding? stdoutEncoding;
+  final Encoding? stderrEncoding;
+
+  TestRunCommandArgs({
+    required this.executable,
+    required this.arguments,
+    this.workingDirectory,
+    this.environment,
+    this.includeParentEnvironment = true,
+    this.runInShell = false,
+    this.stdoutEncoding,
+    this.stderrEncoding,
+  });
+}
+
+class TestRunCommandResult {
+  TestRunCommandResult({
+    this.pid = 1,
+    this.exitCode = 0,
+    this.stdout = '',
+    this.stderr = '',
+  });
+
+  final int pid;
+  final int exitCode;
+  final String stdout;
+  final String stderr;
+}
+
+TestRunCommandResult Function(TestRunCommandArgs args)? testRunCommandOverride;
+
+ProcessResult runCommand(
+  String executable,
+  List<String> arguments, {
+  String? workingDirectory,
+  Map<String, String>? environment,
+  bool includeParentEnvironment = true,
+  bool runInShell = false,
+  Encoding? stdoutEncoding = systemEncoding,
+  Encoding? stderrEncoding = systemEncoding,
+}) {
+  if (testRunCommandOverride != null) {
+    final result = testRunCommandOverride!(TestRunCommandArgs(
+      executable: executable,
+      arguments: arguments,
+      workingDirectory: workingDirectory,
+      environment: environment,
+      includeParentEnvironment: includeParentEnvironment,
+      runInShell: runInShell,
+      stdoutEncoding: stdoutEncoding,
+      stderrEncoding: stderrEncoding,
+    ));
+    return ProcessResult(
+      result.pid,
+      result.exitCode,
+      result.stdout,
+      result.stderr,
+    );
+  }
+  log.finer('Running command $executable ${arguments.join(' ')}');
+  final res = Process.runSync(
+    _resolveExecutable(executable),
+    arguments,
+    workingDirectory: workingDirectory,
+    environment: environment,
+    includeParentEnvironment: includeParentEnvironment,
+    runInShell: runInShell,
+    stderrEncoding: stderrEncoding,
+    stdoutEncoding: stdoutEncoding,
+  );
+  if (res.exitCode != 0) {
+    throw CommandFailedException(
+      executable: executable,
+      arguments: arguments,
+      result: res,
+    );
+  } else {
+    return res;
+  }
+}
+
+class RustupNotFoundException implements Exception {
+  @override
+  String toString() {
+    return [
+      ' ',
+      'rustup not found in PATH.',
+      ' ',
+      'Maybe you need to install Rust? It only takes a minute:',
+      ' ',
+      if (Platform.isWindows) 'https://www.rust-lang.org/tools/install',
+      if (hasHomebrewRustInPath()) ...[
+        '\$ brew unlink rust # Unlink homebrew Rust from PATH',
+      ],
+      if (!Platform.isWindows)
+        "\$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh",
+      ' ',
+    ].join('\n');
+  }
+
+  static bool hasHomebrewRustInPath() {
+    if (!Platform.isMacOS) {
+      return false;
+    }
+    final envPath = Platform.environment['PATH'] ?? '';
+    final paths = envPath.split(':');
+    return paths.any((p) {
+      return p.contains('homebrew') && File(path.join(p, 'rustc')).existsSync();
+    });
+  }
+}
+
+String _resolveExecutable(String executable) {
+  if (executable == 'rustup') {
+    final resolved = Rustup.executablePath();
+    if (resolved != null) {
+      return resolved;
+    }
+    throw RustupNotFoundException();
+  } else {
+    return executable;
+  }
+}

rust_builder/cargokit/build_tool/lib/src/verify_binaries.dart

@@ -0,0 +1,84 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import 'dart:io';
+
+import 'package:ed25519_edwards/ed25519_edwards.dart';
+import 'package:http/http.dart';
+
+import 'artifacts_provider.dart';
+import 'cargo.dart';
+import 'crate_hash.dart';
+import 'options.dart';
+import 'precompile_binaries.dart';
+import 'target.dart';
+
+class VerifyBinaries {
+  VerifyBinaries({
+    required this.manifestDir,
+  });
+
+  final String manifestDir;
+
+  Future<void> run() async {
+    final crateInfo = CrateInfo.load(manifestDir);
+
+    final config = CargokitCrateOptions.load(manifestDir: manifestDir);
+    final precompiledBinaries = config.precompiledBinaries;
+    if (precompiledBinaries == null) {
+      stdout.writeln('Crate does not support precompiled binaries.');
+    } else {
+      final crateHash = CrateHash.compute(manifestDir);
+      stdout.writeln('Crate hash: $crateHash');
+
+      for (final target in Target.all) {
+        final message = 'Checking ${target.rust}...';
+        stdout.write(message.padRight(40));
+        stdout.flush();
+
+        final artifacts = getArtifactNames(
+          target: target,
+          libraryName: crateInfo.packageName,
+          remote: true,
+        );
+
+        final prefix = precompiledBinaries.uriPrefix;
+
+        bool ok = true;
+
+        for (final artifact in artifacts) {
+          final fileName = PrecompileBinaries.fileName(target, artifact);
+          final signatureFileName =
+              PrecompileBinaries.signatureFileName(target, artifact);
+
+          final url = Uri.parse('$prefix$crateHash/$fileName');
+          final signatureUrl =
+              Uri.parse('$prefix$crateHash/$signatureFileName');
+
+          final signature = await get(signatureUrl);
+          if (signature.statusCode != 200) {
+            stdout.writeln('MISSING');
+            ok = false;
+            break;
+          }
+          final asset = await get(url);
+          if (asset.statusCode != 200) {
+            stdout.writeln('MISSING');
+            ok = false;
+            break;
+          }
+
+          if (!verify(precompiledBinaries.publicKey, asset.bodyBytes,
+              signature.bodyBytes)) {
+            stdout.writeln('INVALID SIGNATURE');
+            ok = false;
+          }
+        }
+
+        if (ok) {
+          stdout.writeln('OK');
+        }
+      }
+    }
+  }
+}

rust_builder/cargokit/build_tool/pubspec.lock

@@ -0,0 +1,477 @@
+# Generated by pub
+# See https://dart.dev/tools/pub/glossary#lockfile
+packages:
+  _fe_analyzer_shared:
+    dependency: transitive
+    description:
+      name: _fe_analyzer_shared
+      sha256: "0b2f2bd91ba804e53a61d757b986f89f1f9eaed5b11e4b2f5a2468d86d6c9fc7"
+      url: "https://pub.dev"
+    source: hosted
+    version: "67.0.0"
+  adaptive_number:
+    dependency: transitive
+    description:
+      name: adaptive_number
+      sha256: "3a567544e9b5c9c803006f51140ad544aedc79604fd4f3f2c1380003f97c1d77"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.0"
+  analyzer:
+    dependency: transitive
+    description:
+      name: analyzer
+      sha256: "37577842a27e4338429a1cbc32679d508836510b056f1eedf0c8d20e39c1383d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.4.1"
+  args:
+    dependency: "direct main"
+    description:
+      name: args
+      sha256: eef6c46b622e0494a36c5a12d10d77fb4e855501a91c1b9ef9339326e58f0596
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.2"
+  async:
+    dependency: transitive
+    description:
+      name: async
+      sha256: "758e6d74e971c3e5aceb4110bfd6698efc7f501675bcfe0c775459a8140750eb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.13.0"
+  boolean_selector:
+    dependency: transitive
+    description:
+      name: boolean_selector
+      sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  cli_config:
+    dependency: transitive
+    description:
+      name: cli_config
+      sha256: ac20a183a07002b700f0c25e61b7ee46b23c309d76ab7b7640a028f18e4d99ec
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
+  collection:
+    dependency: "direct main"
+    description:
+      name: collection
+      sha256: ee67cb0715911d28db6bf4af1026078bd6f0128b07a5f66fb2ed94ec6783c09a
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.18.0"
+  convert:
+    dependency: "direct main"
+    description:
+      name: convert
+      sha256: "0f08b14755d163f6e2134cb58222dd25ea2a2ee8a195e53983d57c075324d592"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.1"
+  coverage:
+    dependency: transitive
+    description:
+      name: coverage
+      sha256: "802bd084fb82e55df091ec8ad1553a7331b61c08251eef19a508b6f3f3a9858d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.13.1"
+  crypto:
+    dependency: "direct main"
+    description:
+      name: crypto
+      sha256: ff625774173754681d66daaf4a448684fb04b78f902da9cb3d308c19cc5e8bab
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
+  ed25519_edwards:
+    dependency: "direct main"
+    description:
+      name: ed25519_edwards
+      sha256: "6ce0112d131327ec6d42beede1e5dfd526069b18ad45dcf654f15074ad9276cd"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.3.1"
+  file:
+    dependency: transitive
+    description:
+      name: file
+      sha256: "1b92bec4fc2a72f59a8e15af5f52cd441e4a7860b49499d69dfa817af20e925d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.4"
+  fixnum:
+    dependency: transitive
+    description:
+      name: fixnum
+      sha256: b6dc7065e46c974bc7c5f143080a6764ec7a4be6da1285ececdc37be96de53be
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  frontend_server_client:
+    dependency: transitive
+    description:
+      name: frontend_server_client
+      sha256: f64a0333a82f30b0cca061bc3d143813a486dc086b574bfb233b7c1372427694
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.0"
+  github:
+    dependency: "direct main"
+    description:
+      name: github
+      sha256: "9966bc13bf612342e916b0a343e95e5f046c88f602a14476440e9b75d2295411"
+      url: "https://pub.dev"
+    source: hosted
+    version: "9.17.0"
+  glob:
+    dependency: transitive
+    description:
+      name: glob
+      sha256: c3f1ee72c96f8f78935e18aa8cecced9ab132419e8625dc187e1c2408efc20de
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.3"
+  hex:
+    dependency: "direct main"
+    description:
+      name: hex
+      sha256: "4e7cd54e4b59ba026432a6be2dd9d96e4c5205725194997193bf871703b82c4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.2.0"
+  http:
+    dependency: "direct main"
+    description:
+      name: http
+      sha256: "759d1a329847dd0f39226c688d3e06a6b8679668e350e2891a6474f8b4bb8525"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.0"
+  http_multi_server:
+    dependency: transitive
+    description:
+      name: http_multi_server
+      sha256: aa6199f908078bb1c5efb8d8638d4ae191aac11b311132c3ef48ce352fb52ef8
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  http_parser:
+    dependency: transitive
+    description:
+      name: http_parser
+      sha256: "2aa08ce0341cc9b354a498388e30986515406668dbcc4f7c950c3e715496693b"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.0.2"
+  io:
+    dependency: transitive
+    description:
+      name: io
+      sha256: dfd5a80599cf0165756e3181807ed3e77daf6dd4137caaad72d0b7931597650b
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.5"
+  js:
+    dependency: transitive
+    description:
+      name: js
+      sha256: "53385261521cc4a0c4658fd0ad07a7d14591cf8fc33abbceae306ddb974888dc"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.2"
+  json_annotation:
+    dependency: transitive
+    description:
+      name: json_annotation
+      sha256: "1ce844379ca14835a50d2f019a3099f419082cfdd231cd86a142af94dd5c6bb1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "4.9.0"
+  lints:
+    dependency: "direct dev"
+    description:
+      name: lints
+      sha256: "0a217c6c989d21039f1498c3ed9f3ed71b354e69873f13a8dfc3c9fe76f1b452"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.1"
+  logging:
+    dependency: "direct main"
+    description:
+      name: logging
+      sha256: "623a88c9594aa774443aa3eb2d41807a48486b5613e67599fb4c41c0ad47c340"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.0"
+  matcher:
+    dependency: transitive
+    description:
+      name: matcher
+      sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.12.17"
+  meta:
+    dependency: transitive
+    description:
+      name: meta
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.17.0"
+  mime:
+    dependency: transitive
+    description:
+      name: mime
+      sha256: "41a20518f0cb1256669420fdba0cd90d21561e560ac240f26ef8322e45bb7ed6"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.0"
+  node_preamble:
+    dependency: transitive
+    description:
+      name: node_preamble
+      sha256: "6e7eac89047ab8a8d26cf16127b5ed26de65209847630400f9aefd7cd5c730db"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.0.2"
+  package_config:
+    dependency: transitive
+    description:
+      name: package_config
+      sha256: f096c55ebb7deb7e384101542bfba8c52696c1b56fca2eb62827989ef2353bbc
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  path:
+    dependency: "direct main"
+    description:
+      name: path
+      sha256: "2ad4cddff7f5cc0e2d13069f2a3f7a73ca18f66abd6f5ecf215219cdb3638edb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.8.0"
+  petitparser:
+    dependency: transitive
+    description:
+      name: petitparser
+      sha256: cb3798bef7fc021ac45b308f4b51208a152792445cce0448c9a4ba5879dd8750
+      url: "https://pub.dev"
+    source: hosted
+    version: "5.4.0"
+  pool:
+    dependency: transitive
+    description:
+      name: pool
+      sha256: "20fe868b6314b322ea036ba325e6fc0711a22948856475e2c2b6306e8ab39c2a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.5.1"
+  pub_semver:
+    dependency: transitive
+    description:
+      name: pub_semver
+      sha256: "5bfcf68ca79ef689f8990d1160781b4bad40a3bd5e5218ad4076ddb7f4081585"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.2.0"
+  shelf:
+    dependency: transitive
+    description:
+      name: shelf
+      sha256: ad29c505aee705f41a4d8963641f91ac4cee3c8fad5947e033390a7bd8180fa4
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  shelf_packages_handler:
+    dependency: transitive
+    description:
+      name: shelf_packages_handler
+      sha256: "89f967eca29607c933ba9571d838be31d67f53f6e4ee15147d5dc2934fee1b1e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.2"
+  shelf_static:
+    dependency: transitive
+    description:
+      name: shelf_static
+      sha256: c87c3875f91262785dade62d135760c2c69cb217ac759485334c5857ad89f6e3
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.3"
+  shelf_web_socket:
+    dependency: transitive
+    description:
+      name: shelf_web_socket
+      sha256: "3632775c8e90d6c9712f883e633716432a27758216dfb61bd86a8321c0580925"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  source_map_stack_trace:
+    dependency: transitive
+    description:
+      name: source_map_stack_trace
+      sha256: c0713a43e323c3302c2abe2a1cc89aa057a387101ebd280371d6a6c9fa68516b
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.2"
+  source_maps:
+    dependency: transitive
+    description:
+      name: source_maps
+      sha256: "190222579a448b03896e0ca6eca5998fa810fda630c1d65e2f78b3f638f54812"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.10.13"
+  source_span:
+    dependency: "direct main"
+    description:
+      name: source_span
+      sha256: "53e943d4206a5e30df338fd4c6e7a077e02254531b138a15aec3bd143c1a8b3c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.10.0"
+  stack_trace:
+    dependency: transitive
+    description:
+      name: stack_trace
+      sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.12.1"
+  stream_channel:
+    dependency: transitive
+    description:
+      name: stream_channel
+      sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.1.4"
+  string_scanner:
+    dependency: transitive
+    description:
+      name: string_scanner
+      sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.1"
+  term_glyph:
+    dependency: transitive
+    description:
+      name: term_glyph
+      sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.2"
+  test:
+    dependency: "direct dev"
+    description:
+      name: test
+      sha256: "65e29d831719be0591f7b3b1a32a3cda258ec98c58c7b25f7b84241bc31215bb"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.26.2"
+  test_api:
+    dependency: transitive
+    description:
+      name: test_api
+      sha256: "522f00f556e73044315fa4585ec3270f1808a4b186c936e612cab0b565ff1e00"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.6"
+  test_core:
+    dependency: transitive
+    description:
+      name: test_core
+      sha256: "80bf5a02b60af04b09e14f6fe68b921aad119493e26e490deaca5993fef1b05a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.6.11"
+  toml:
+    dependency: "direct main"
+    description:
+      name: toml
+      sha256: "157c5dca5160fced243f3ce984117f729c788bb5e475504f3dbcda881accee44"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.14.0"
+  typed_data:
+    dependency: transitive
+    description:
+      name: typed_data
+      sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.4.0"
+  version:
+    dependency: "direct main"
+    description:
+      name: version
+      sha256: "2307e23a45b43f96469eeab946208ed63293e8afca9c28cd8b5241ff31c55f55"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.0"
+  vm_service:
+    dependency: transitive
+    description:
+      name: vm_service
+      sha256: "45caa6c5917fa127b5dbcfbd1fa60b14e583afdc08bfc96dda38886ca252eb60"
+      url: "https://pub.dev"
+    source: hosted
+    version: "15.0.2"
+  watcher:
+    dependency: transitive
+    description:
+      name: watcher
+      sha256: "0b7fd4a0bbc4b92641dbf20adfd7e3fd1398fe17102d94b674234563e110088a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.2"
+  web:
+    dependency: transitive
+    description:
+      name: web
+      sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.1.1"
+  web_socket:
+    dependency: transitive
+    description:
+      name: web_socket
+      sha256: "34d64019aa8e36bf9842ac014bb5d2f5586ca73df5e4d9bf5c936975cae6982c"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.0.1"
+  web_socket_channel:
+    dependency: transitive
+    description:
+      name: web_socket_channel
+      sha256: d645757fb0f4773d602444000a8131ff5d48c9e47adfe9772652dd1a4f2d45c8
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.0.3"
+  webkit_inspection_protocol:
+    dependency: transitive
+    description:
+      name: webkit_inspection_protocol
+      sha256: "87d3f2333bb240704cd3f1c6b5b7acd8a10e7f0bc28c28dcf14e782014f4a572"
+      url: "https://pub.dev"
+    source: hosted
+    version: "1.2.1"
+  yaml:
+    dependency: "direct main"
+    description:
+      name: yaml
+      sha256: "75769501ea3489fca56601ff33454fe45507ea3bfb014161abc3b43ae25989d5"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.2"
+sdks:
+  dart: ">=3.7.0-0 <4.0.0"

rust_builder/cargokit/build_tool/pubspec.yaml

@@ -0,0 +1,33 @@
+# This is copied from Cargokit (which is the official way to use it currently)
+# Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+name: build_tool
+description: Cargokit build_tool. Facilitates the build of Rust crate during Flutter application build.
+publish_to: none
+version: 1.0.0
+
+environment:
+  sdk: ">=3.0.0 <4.0.0"
+
+# Add regular dependencies here.
+dependencies:
+  # these are pinned on purpose because the bundle_tool_runner doesn't have
+  # pubspec.lock. See run_build_tool.sh
+  logging: 1.2.0
+  path: 1.8.0
+  version: 3.0.0
+  collection: 1.18.0
+  ed25519_edwards: 0.3.1
+  hex: 0.2.0
+  yaml: 3.1.2
+  source_span: 1.10.0
+  github: 9.17.0
+  args: 2.4.2
+  crypto: 3.0.3
+  convert: 3.1.1
+  http: 1.1.0
+  toml: 0.14.0
+
+dev_dependencies:
+  lints: ^2.1.0
+  test: ^1.24.0

rust_builder/cargokit/cmake/cargokit.cmake

@@ -0,0 +1,99 @@
+SET(cargokit_cmake_root "${CMAKE_CURRENT_LIST_DIR}/..")
+
+# Workaround for https://github.com/dart-lang/pub/issues/4010
+get_filename_component(cargokit_cmake_root "${cargokit_cmake_root}" REALPATH)
+
+if(WIN32)
+    # REALPATH does not properly resolve symlinks on windows :-/
+    execute_process(COMMAND powershell -ExecutionPolicy Bypass -File "${CMAKE_CURRENT_LIST_DIR}/resolve_symlinks.ps1" "${cargokit_cmake_root}" OUTPUT_VARIABLE cargokit_cmake_root OUTPUT_STRIP_TRAILING_WHITESPACE)
+endif()
+
+# Arguments
+# - target: CMAKE target to which rust library is linked
+# - manifest_dir: relative path from current folder to directory containing cargo manifest
+# - lib_name: cargo package name
+# - any_symbol_name: name of any exported symbol from the library.
+#                    used on windows to force linking with library.
+function(apply_cargokit target manifest_dir lib_name any_symbol_name)
+
+    set(CARGOKIT_LIB_NAME "${lib_name}")
+    set(CARGOKIT_LIB_FULL_NAME "${CMAKE_SHARED_MODULE_PREFIX}${CARGOKIT_LIB_NAME}${CMAKE_SHARED_MODULE_SUFFIX}")
+    if (CMAKE_CONFIGURATION_TYPES)
+        set(CARGOKIT_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>")
+        set(OUTPUT_LIB "${CMAKE_CURRENT_BINARY_DIR}/$<CONFIG>/${CARGOKIT_LIB_FULL_NAME}")
+    else()
+        set(CARGOKIT_OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}")
+        set(OUTPUT_LIB "${CMAKE_CURRENT_BINARY_DIR}/${CARGOKIT_LIB_FULL_NAME}")
+    endif()
+    set(CARGOKIT_TEMP_DIR "${CMAKE_CURRENT_BINARY_DIR}/cargokit_build")
+
+    if (FLUTTER_TARGET_PLATFORM)
+        set(CARGOKIT_TARGET_PLATFORM "${FLUTTER_TARGET_PLATFORM}")
+    else()
+        set(CARGOKIT_TARGET_PLATFORM "windows-x64")
+    endif()
+
+    set(CARGOKIT_ENV
+        "CARGOKIT_CMAKE=${CMAKE_COMMAND}"
+        "CARGOKIT_CONFIGURATION=$<CONFIG>"
+        "CARGOKIT_MANIFEST_DIR=${CMAKE_CURRENT_SOURCE_DIR}/${manifest_dir}"
+        "CARGOKIT_TARGET_TEMP_DIR=${CARGOKIT_TEMP_DIR}"
+        "CARGOKIT_OUTPUT_DIR=${CARGOKIT_OUTPUT_DIR}"
+        "CARGOKIT_TARGET_PLATFORM=${CARGOKIT_TARGET_PLATFORM}"
+        "CARGOKIT_TOOL_TEMP_DIR=${CARGOKIT_TEMP_DIR}/tool"
+        "CARGOKIT_ROOT_PROJECT_DIR=${CMAKE_SOURCE_DIR}"
+    )
+
+    if (WIN32)
+        set(SCRIPT_EXTENSION ".cmd")
+        set(IMPORT_LIB_EXTENSION ".lib")
+    else()
+        set(SCRIPT_EXTENSION ".sh")
+        set(IMPORT_LIB_EXTENSION "")
+        execute_process(COMMAND chmod +x "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}")
+    endif()
+
+    # Using generators in custom command is only supported in CMake 3.20+
+    if (CMAKE_CONFIGURATION_TYPES AND ${CMAKE_VERSION} VERSION_LESS "3.20.0")
+        foreach(CONFIG IN LISTS CMAKE_CONFIGURATION_TYPES)
+            add_custom_command(
+                OUTPUT
+                "${CMAKE_CURRENT_BINARY_DIR}/${CONFIG}/${CARGOKIT_LIB_FULL_NAME}"
+                "${CMAKE_CURRENT_BINARY_DIR}/_phony_"
+                COMMAND ${CMAKE_COMMAND} -E env ${CARGOKIT_ENV}
+                "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}" build-cmake
+                VERBATIM
+            )
+        endforeach()
+    else()
+        add_custom_command(
+            OUTPUT
+            ${OUTPUT_LIB}
+            "${CMAKE_CURRENT_BINARY_DIR}/_phony_"
+            COMMAND ${CMAKE_COMMAND} -E env ${CARGOKIT_ENV}
+            "${cargokit_cmake_root}/run_build_tool${SCRIPT_EXTENSION}" build-cmake
+            VERBATIM
+        )
+    endif()
+
+
+    set_source_files_properties("${CMAKE_CURRENT_BINARY_DIR}/_phony_" PROPERTIES SYMBOLIC TRUE)
+
+    if (TARGET ${target})
+        # If we have actual cmake target provided create target and make existing
+        # target depend on it
+        add_custom_target("${target}_cargokit" DEPENDS ${OUTPUT_LIB})
+        add_dependencies("${target}" "${target}_cargokit")
+        target_link_libraries("${target}" PRIVATE "${OUTPUT_LIB}${IMPORT_LIB_EXTENSION}")
+        if(WIN32)
+            target_link_options(${target} PRIVATE "/INCLUDE:${any_symbol_name}")
+        endif()
+    else()
+        # Otherwise (FFI) just use ALL to force building always
+        add_custom_target("${target}_cargokit" ALL DEPENDS ${OUTPUT_LIB})
+    endif()
+
+    # Allow adding the output library to plugin bundled libraries
+    set("${target}_cargokit_lib" ${OUTPUT_LIB} PARENT_SCOPE)
+
+endfunction()

rust_builder/cargokit/cmake/resolve_symlinks.ps1

@@ -0,0 +1,27 @@
+function Resolve-Symlinks {
+    [CmdletBinding()]
+    [OutputType([string])]
+    param(
+        [Parameter(Position = 0, Mandatory, ValueFromPipeline, ValueFromPipelineByPropertyName)]
+        [string] $Path
+    )
+
+    [string] $separator = '/'
+    [string[]] $parts = $Path.Split($separator)
+
+    [string] $realPath = ''
+    foreach ($part in $parts) {
+        if ($realPath -and !$realPath.EndsWith($separator)) {
+            $realPath += $separator
+        }
+        $realPath += $part
+        $item = Get-Item $realPath
+        if ($item.Target) {
+            $realPath = $item.Target.Replace('\', '/')
+        }
+    }
+    $realPath
+}
+
+$path=Resolve-Symlinks -Path $args[0]
+Write-Host $path

rust_builder/cargokit/gradle/plugin.gradle

@@ -0,0 +1,179 @@
+/// This is copied from Cargokit (which is the official way to use it currently)
+/// Details: https://fzyzcjy.github.io/flutter_rust_bridge/manual/integrate/builtin
+
+import java.nio.file.Paths
+import org.apache.tools.ant.taskdefs.condition.Os
+
+CargoKitPlugin.file = buildscript.sourceFile
+
+apply plugin: CargoKitPlugin
+
+class CargoKitExtension {
+    String manifestDir; // Relative path to folder containing Cargo.toml
+    String libname; // Library name within Cargo.toml. Must be a cdylib
+}
+
+abstract class CargoKitBuildTask extends DefaultTask {
+
+    @Input
+    String buildMode
+
+    @Input
+    String buildDir
+
+    @Input
+    String outputDir
+
+    @Input
+    String ndkVersion
+
+    @Input
+    String sdkDirectory
+
+    @Input
+    int compileSdkVersion;
+
+    @Input
+    int minSdkVersion;
+
+    @Input
+    String pluginFile
+
+    @Input
+    List<String> targetPlatforms
+
+    @TaskAction
+    def build() {
+        if (project.cargokit.manifestDir == null) {
+            throw new GradleException("Property 'manifestDir' must be set on cargokit extension");
+        }
+
+        if (project.cargokit.libname == null) {
+            throw new GradleException("Property 'libname' must be set on cargokit extension");
+        }
+
+        def executableName = Os.isFamily(Os.FAMILY_WINDOWS) ? "run_build_tool.cmd" : "run_build_tool.sh"
+        def path = Paths.get(new File(pluginFile).parent, "..", executableName);
+
+        def manifestDir = Paths.get(project.buildscript.sourceFile.parent, project.cargokit.manifestDir)
+
+        def rootProjectDir = project.rootProject.projectDir
+        
+        if (!Os.isFamily(Os.FAMILY_WINDOWS)) {
+            project.exec {
+                commandLine 'chmod', '+x', path
+            }
+        }
+        
+        project.exec {
+            executable path
+            args "build-gradle"
+            environment "CARGOKIT_ROOT_PROJECT_DIR", rootProjectDir
+            environment "CARGOKIT_TOOL_TEMP_DIR", "${buildDir}/build_tool"
+            environment "CARGOKIT_MANIFEST_DIR", manifestDir
+            environment "CARGOKIT_CONFIGURATION", buildMode
+            environment "CARGOKIT_TARGET_TEMP_DIR", buildDir
+            environment "CARGOKIT_OUTPUT_DIR", outputDir
+            environment "CARGOKIT_NDK_VERSION", ndkVersion
+            environment "CARGOKIT_SDK_DIR", sdkDirectory
+            environment "CARGOKIT_COMPILE_SDK_VERSION", compileSdkVersion
+            environment "CARGOKIT_MIN_SDK_VERSION", minSdkVersion
+            environment "CARGOKIT_TARGET_PLATFORMS", targetPlatforms.join(",")
+            environment "CARGOKIT_JAVA_HOME", System.properties['java.home']
+        }
+    }
+}
+
+class CargoKitPlugin implements Plugin<Project> {
+
+    static String file;
+
+    private Plugin findFlutterPlugin(Project rootProject) {
+        _findFlutterPlugin(rootProject.childProjects)
+    }
+
+   private Plugin _findFlutterPlugin(Map projects) {
+        for (project in projects) {
+            for (plugin in project.value.getPlugins()) {
+                if (plugin.class.name == "com.flutter.gradle.FlutterPlugin") {
+                    return plugin;
+                }
+            }
+            def plugin = _findFlutterPlugin(project.value.childProjects);
+            if (plugin != null) {
+                return plugin;
+            }
+        }
+        return null;
+    }
+
+    @Override
+    void apply(Project project) {
+        def plugin = findFlutterPlugin(project.rootProject);
+
+        project.extensions.create("cargokit", CargoKitExtension)
+
+        if (plugin == null) {
+            print("Flutter plugin not found, CargoKit plugin will not be applied.")
+            return;
+        }
+
+        def cargoBuildDir = "${project.buildDir}/build"
+        
+        // Determine if the project is an application or library
+        def isApplication = plugin.project.plugins.hasPlugin('com.android.application')
+        def variants = isApplication ? plugin.project.android.applicationVariants : plugin.project.android.libraryVariants
+
+        variants.all { variant ->
+
+            final buildType = variant.buildType.name
+
+            def cargoOutputDir = "${project.buildDir}/jniLibs/${buildType}";
+            def jniLibs = project.android.sourceSets.maybeCreate(buildType).jniLibs;
+            jniLibs.srcDir(new File(cargoOutputDir))
+
+            def platforms = com.flutter.gradle.FlutterPluginUtils.getTargetPlatforms(project).collect()
+
+            // Same thing addFlutterDependencies does in flutter.gradle
+            if (buildType == "debug") {
+                platforms.add("android-x86")
+                platforms.add("android-x64")
+            }
+
+            // The task name depends on plugin properties, which are not available
+            // at this point
+            project.getGradle().afterProject {
+                def taskName = "cargokitCargoBuild${project.cargokit.libname.capitalize()}${buildType.capitalize()}";
+
+                if (project.tasks.findByName(taskName)) {
+                    return
+                }
+
+                if (plugin.project.android.ndkVersion == null) {
+                    throw new GradleException("Please set 'android.ndkVersion' in 'app/build.gradle'.")
+                }
+
+                def task = project.tasks.create(taskName, CargoKitBuildTask.class) {
+                    buildMode = variant.buildType.name
+                    buildDir = cargoBuildDir
+                    outputDir = cargoOutputDir
+                    ndkVersion = plugin.project.android.ndkVersion
+                    sdkDirectory = plugin.project.android.sdkDirectory
+                    minSdkVersion = plugin.project.android.defaultConfig.minSdkVersion.apiLevel as int
+                    compileSdkVersion = plugin.project.android.compileSdkVersion.substring(8) as int
+                    targetPlatforms = platforms
+                    pluginFile = CargoKitPlugin.file
+                }
+                def onTask = { newTask ->
+                    if (newTask.name == "merge${buildType.capitalize()}NativeLibs") {
+                        newTask.dependsOn task
+                        // Fix gradle 7.4.2 not picking up JNI library changes
+                        newTask.outputs.upToDateWhen { false }
+                    }
+                }
+                project.tasks.each onTask
+                project.tasks.whenTaskAdded onTask
+            }
+        }
+    }
+}

rust_builder/cargokit/run_build_tool.cmd

@@ -0,0 +1,91 @@
+@echo off
+setlocal
+
+setlocal ENABLEDELAYEDEXPANSION
+
+SET BASEDIR=%~dp0
+
+if not exist "%CARGOKIT_TOOL_TEMP_DIR%" (
+    mkdir "%CARGOKIT_TOOL_TEMP_DIR%"
+)
+cd /D "%CARGOKIT_TOOL_TEMP_DIR%"
+
+SET BUILD_TOOL_PKG_DIR=%BASEDIR%build_tool
+SET DART=%FLUTTER_ROOT%\bin\cache\dart-sdk\bin\dart
+
+set BUILD_TOOL_PKG_DIR_POSIX=%BUILD_TOOL_PKG_DIR:\=/%
+
+(
+    echo name: build_tool_runner
+    echo version: 1.0.0
+    echo publish_to: none
+    echo.
+    echo environment:
+    echo   sdk: '^>=3.0.0 ^<4.0.0'
+    echo.
+    echo dependencies:
+    echo   build_tool:
+    echo     path: %BUILD_TOOL_PKG_DIR_POSIX%
+) >pubspec.yaml
+
+if not exist bin (
+    mkdir bin
+)
+
+(
+    echo import 'package:build_tool/build_tool.dart' as build_tool;
+    echo void main^(List^<String^> args^) ^{
+    echo    build_tool.runMain^(args^);
+    echo ^}
+) >bin\build_tool_runner.dart
+
+SET PRECOMPILED=bin\build_tool_runner.dill
+
+REM To detect changes in package we compare output of DIR /s (recursive)
+set PREV_PACKAGE_INFO=.dart_tool\package_info.prev
+set CUR_PACKAGE_INFO=.dart_tool\package_info.cur
+
+DIR "%BUILD_TOOL_PKG_DIR%" /s > "%CUR_PACKAGE_INFO%_orig"
+
+REM Last line in dir output is free space on harddrive. That is bound to
+REM change between invocation so we need to remove it
+(
+    Set "Line="
+    For /F "UseBackQ Delims=" %%A In ("%CUR_PACKAGE_INFO%_orig") Do (
+        SetLocal EnableDelayedExpansion
+        If Defined Line Echo !Line!
+        EndLocal
+        Set "Line=%%A")
+) >"%CUR_PACKAGE_INFO%"
+DEL "%CUR_PACKAGE_INFO%_orig"
+
+REM Compare current directory listing with previous
+FC /B "%CUR_PACKAGE_INFO%" "%PREV_PACKAGE_INFO%" > nul 2>&1
+
+If %ERRORLEVEL% neq 0 (
+    REM Changed - copy current to previous and remove precompiled kernel
+    if exist "%PREV_PACKAGE_INFO%" (
+        DEL "%PREV_PACKAGE_INFO%"
+    )
+    MOVE /Y "%CUR_PACKAGE_INFO%" "%PREV_PACKAGE_INFO%"
+    if exist "%PRECOMPILED%" (
+        DEL "%PRECOMPILED%"
+    )
+)
+
+REM There is no CUR_PACKAGE_INFO it was renamed in previous step to %PREV_PACKAGE_INFO%
+REM which means  we need to do pub get and precompile
+if not exist "%PRECOMPILED%" (
+    echo Running pub get in "%cd%"
+    "%DART%" pub get --no-precompile
+    "%DART%" compile kernel bin/build_tool_runner.dart
+)
+
+"%DART%" "%PRECOMPILED%" %*
+
+REM 253 means invalid snapshot version.
+If %ERRORLEVEL% equ 253 (
+    "%DART%" pub get --no-precompile
+    "%DART%" compile kernel bin/build_tool_runner.dart
+    "%DART%" "%PRECOMPILED%" %*
+)

rust_builder/cargokit/run_build_tool.sh

@@ -0,0 +1,94 @@
+#!/usr/bin/env bash
+
+set -e
+
+BASEDIR=$(dirname "$0")
+
+mkdir -p "$CARGOKIT_TOOL_TEMP_DIR"
+
+cd "$CARGOKIT_TOOL_TEMP_DIR"
+
+# Write a very simple bin package in temp folder that depends on build_tool package
+# from Cargokit. This is done to ensure that we don't pollute Cargokit folder
+# with .dart_tool contents.
+
+BUILD_TOOL_PKG_DIR="$BASEDIR/build_tool"
+
+if [[ -z $FLUTTER_ROOT ]]; then # not defined
+  DART=dart
+else
+  DART="$FLUTTER_ROOT/bin/cache/dart-sdk/bin/dart"
+fi
+
+cat << EOF > "pubspec.yaml"
+name: build_tool_runner
+version: 1.0.0
+publish_to: none
+
+environment:
+  sdk: '>=3.0.0 <4.0.0'
+
+dependencies:
+  build_tool:
+    path: "$BUILD_TOOL_PKG_DIR"
+EOF
+
+mkdir -p "bin"
+
+cat << EOF > "bin/build_tool_runner.dart"
+import 'package:build_tool/build_tool.dart' as build_tool;
+void main(List<String> args) {
+  build_tool.runMain(args);
+}
+EOF
+
+# Create alias for `shasum` if it does not exist and `sha1sum` exists
+if ! [ -x "$(command -v shasum)" ] && [ -x "$(command -v sha1sum)" ]; then
+  shopt -s expand_aliases
+  alias shasum="sha1sum"
+fi
+
+# Dart run will not cache any package that has a path dependency, which
+# is the case for our build_tool_runner. So instead we precompile the package
+# ourselves.
+# To invalidate the cached kernel we use the hash of ls -LR of the build_tool
+# package directory. This should be good enough, as the build_tool package
+# itself is not meant to have any path dependencies.
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+  PACKAGE_HASH=$(ls -lTR "$BUILD_TOOL_PKG_DIR" | shasum)
+else
+  PACKAGE_HASH=$(ls -lR --full-time "$BUILD_TOOL_PKG_DIR" | shasum)
+fi
+
+PACKAGE_HASH_FILE=".package_hash"
+
+if [ -f "$PACKAGE_HASH_FILE" ]; then
+    EXISTING_HASH=$(cat "$PACKAGE_HASH_FILE")
+    if [ "$PACKAGE_HASH" != "$EXISTING_HASH" ]; then
+        rm "$PACKAGE_HASH_FILE"
+    fi
+fi
+
+# Run pub get if needed.
+if [ ! -f "$PACKAGE_HASH_FILE" ]; then
+    "$DART" pub get --no-precompile
+    "$DART" compile kernel bin/build_tool_runner.dart
+    echo "$PACKAGE_HASH" > "$PACKAGE_HASH_FILE"
+fi
+
+set +e
+
+"$DART" bin/build_tool_runner.dill "$@"
+
+exit_code=$?
+
+# 253 means invalid snapshot version.
+if [ $exit_code == 253 ]; then
+  "$DART" pub get --no-precompile
+  "$DART" compile kernel bin/build_tool_runner.dart
+  "$DART" bin/build_tool_runner.dill "$@"
+  exit_code=$?
+fi
+
+exit $exit_code

rust_builder/ios/Classes/dummy_file.c

@@ -0,0 +1 @@
+// Empty file required by CocoaPods to create a framework.

rust_builder/ios/elcaju_core.podspec

@@ -0,0 +1,28 @@
+Pod::Spec.new do |s|
+  s.name             = 'elcaju_core'
+  s.version          = '0.1.0'
+  s.summary          = 'Rust core for El Caju Cashu wallet.'
+  s.description      = 'Flutter bridge to elcaju_core Rust crate via flutter_rust_bridge.'
+  s.homepage         = 'https://github.com/AlejandroCastillejo/elcaju'
+  s.license          = { :file => '../LICENSE' }
+  s.author           = { 'Javier Forte' => 'forte11cuba@gmail.com' }
+
+  s.source           = { :path => '.' }
+  s.source_files     = 'Classes/**/*'
+  s.dependency 'Flutter'
+  s.platform = :ios, '11.0'
+  s.swift_version = '5.0'
+
+  s.script_phase = {
+    :name => 'Build Rust library',
+    :script => 'bash "$PODS_TARGET_SRCROOT/../cargokit/build_pod.sh" ../../rust elcaju_core',
+    :execution_position => :before_compile,
+    :input_files => ['${BUILT_PRODUCTS_DIR}/cargokit_phony'],
+    :output_files => ["${BUILT_PRODUCTS_DIR}/libelcaju_core.a"],
+  }
+  s.pod_target_xcconfig = {
+    'DEFINES_MODULE' => 'YES',
+    'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386',
+    'OTHER_LDFLAGS' => '-force_load ${BUILT_PRODUCTS_DIR}/libelcaju_core.a',
+  }
+end

rust_builder/linux/CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.10)
+
+set(PROJECT_NAME "rust_builder")
+project(${PROJECT_NAME} LANGUAGES CXX)
+
+include("../cargokit/cmake/cargokit.cmake")
+apply_cargokit(${PROJECT_NAME} ../../rust elcaju_core "")
+
+set(rust_builder_bundled_libraries
+  "${${PROJECT_NAME}_cargokit_lib}"
+  PARENT_SCOPE
+)

rust_builder/macos/Classes/dummy_file.c

@@ -0,0 +1 @@
+// Empty file required by CocoaPods to create a framework.

rust_builder/macos/elcaju_core.podspec

@@ -0,0 +1,28 @@
+Pod::Spec.new do |s|
+  s.name             = 'elcaju_core'
+  s.version          = '0.1.0'
+  s.summary          = 'Rust core for El Caju Cashu wallet.'
+  s.description      = 'Flutter bridge to elcaju_core Rust crate via flutter_rust_bridge.'
+  s.homepage         = 'https://github.com/AlejandroCastillejo/elcaju'
+  s.license          = { :file => '../LICENSE' }
+  s.author           = { 'Javier Forte' => 'forte11cuba@gmail.com' }
+
+  s.source           = { :path => '.' }
+  s.source_files     = 'Classes/**/*'
+  s.dependency 'FlutterMacOS'
+  s.platform = :osx, '10.15'
+  s.swift_version = '5.0'
+
+  s.script_phase = {
+    :name => 'Build Rust library',
+    :script => 'bash "$PODS_TARGET_SRCROOT/../cargokit/build_pod.sh" ../../rust elcaju_core',
+    :execution_position => :before_compile,
+    :input_files => ['${BUILT_PRODUCTS_DIR}/cargokit_phony'],
+    :output_files => ["${BUILT_PRODUCTS_DIR}/libelcaju_core.a"],
+  }
+  s.pod_target_xcconfig = {
+    'DEFINES_MODULE' => 'YES',
+    'EXCLUDED_ARCHS[sdk=iphonesimulator*]' => 'i386',
+    'OTHER_LDFLAGS' => '-force_load ${BUILT_PRODUCTS_DIR}/libelcaju_core.a',
+  }
+end

rust_builder/pubspec.yaml

@@ -0,0 +1,26 @@
+name: rust_builder
+description: Build bridge for elcaju_core Rust crate.
+version: 0.1.0
+
+environment:
+  sdk: ^3.6.0
+  flutter: '>=3.3.0'
+
+dependencies:
+  flutter:
+    sdk: flutter
+  flutter_rust_bridge: 2.11.1
+
+flutter:
+  plugin:
+    platforms:
+      android:
+        ffiPlugin: true
+      ios:
+        ffiPlugin: true
+      linux:
+        ffiPlugin: true
+      macos:
+        ffiPlugin: true
+      windows:
+        ffiPlugin: true

rust_builder/windows/CMakeLists.txt

@@ -0,0 +1,12 @@
+cmake_minimum_required(VERSION 3.14)
+
+set(PROJECT_NAME "rust_builder")
+project(${PROJECT_NAME} LANGUAGES CXX)
+
+include("../cargokit/cmake/cargokit.cmake")
+apply_cargokit(${PROJECT_NAME} ../../rust elcaju_core "")
+
+set(rust_builder_bundled_libraries
+  "${${PROJECT_NAME}_cargokit_lib}"
+  PARENT_SCOPE
+)