fix: dispose crash and modal overlap

fix: reduce Nostr listener cancellation delay from 5s to 1s

lib/core/constants/colors.dart

@@ -22,6 +22,7 @@ class AppColors {
   // === ACCENT COLORS ===
   static const Color primaryAction = Color(0xFFE35D33); // Naranja vibrante
   static const Color secondaryAction = Color(0xFFFFB74D); // Amarillo pulpa/Bitcoin
+  static const Color bitcoinOrange = Color(0xFFF7931A); // Bitcoin brand orange
   static const Color success = Color(0xFF00E676); // Verde neón
   static const Color error = Color(0xFFFF5252); // Rojo suave
   static const Color warning = Color(0xFFFFB74D); // Amarillo

lib/core/services/nfc_service.dart

@@ -473,11 +473,13 @@ class NfcService {
     return null;
   }
 
-  /// Check if a string looks like a Cashu token.
+  /// Check if a string looks like a Cashu token or payment request.
   static bool _isCashuToken(String text) {
     final lower = text.toLowerCase().trim();
     return lower.startsWith('cashua') ||
         lower.startsWith('cashub') ||
-        lower.startsWith('creqa');
+        lower.startsWith('creqa') ||
+        lower.startsWith('creqb') ||
+        lower.startsWith('bitcoin:');
   }
 }

lib/core/utils/bip321_builder.dart

@@ -0,0 +1,20 @@
+/// Builds a BIP-321 unified payment URI.
+///
+/// Format: BITCOIN:?LIGHTNING=LNBC...&CREQ=CREQB1...
+/// All uppercase for optimal QR encoding (alphanumeric mode).
+///
+/// Ref: NUT-26 "BIP-321 Integration" section.
+String buildUnifiedUri({
+  required String creqB,
+  String? bolt11,
+}) {
+  final buffer = StringBuffer('bitcoin:?');
+  if (bolt11 != null) {
+    buffer.write('lightning=');
+    buffer.write(bolt11.toUpperCase());
+    buffer.write('&');
+  }
+  buffer.write('creq=');
+  buffer.write(creqB.toUpperCase());
+  return buffer.toString();
+}

lib/core/utils/incoming_data_parser.dart

@@ -15,7 +15,7 @@ enum IncomingDataType {
   cashuToken,       // cashuA... / cashuB...
   lightningInvoice, // lnbc... / lntb... / lnbcrt...
   mintUrl,          // https://...
-  paymentRequest,   // creqA... (post-MVP, Cashu payment request)
+  paymentRequest,   // creqA/creqB/bitcoin:?creq= (NUT-18/26 payment request)
   unknown,
 }
 
@@ -103,8 +103,31 @@ class IncomingDataParser {
       );
     }
 
-    // Payment Request (creqA...)
-    if (lower.startsWith('creqa')) {
+    // BIP-321 unified URI: bitcoin:?lightning=...&creq=...
+    // Detect as paymentRequest but also extract the lightning invoice
+    if (lower.startsWith('bitcoin:')) {
+      final bolt11 = _extractBip321Param(trimmed, 'lightning');
+      final creq = _extractBip321Param(trimmed, 'creq');
+
+      if (creq != null) {
+        return ParsedData(
+          type: IncomingDataType.paymentRequest,
+          raw: trimmed,
+          invoiceBolt11: bolt11,
+        );
+      }
+      // bitcoin: URI with only lightning= (no creq)
+      if (bolt11 != null) {
+        return ParsedData(
+          type: IncomingDataType.lightningInvoice,
+          raw: trimmed,
+          invoiceBolt11: bolt11,
+        );
+      }
+    }
+
+    // Payment Request: creqA (NUT-18), creqB/CREQB1 (NUT-26)
+    if (lower.startsWith('creqa') || lower.startsWith('creqb')) {
       return ParsedData(
         type: IncomingDataType.paymentRequest,
         raw: trimmed,
@@ -193,7 +216,35 @@ class IncomingDataParser {
       case ScanMode.cashuOnly:
         return data.type == IncomingDataType.cashuToken;
       case ScanMode.invoiceOnly:
-        return data.type == IncomingDataType.lightningInvoice;
+        // Accept pure invoices and BIP-321 URIs that contain a lightning invoice
+        return data.type == IncomingDataType.lightningInvoice ||
+            (data.type == IncomingDataType.paymentRequest &&
+                data.invoiceBolt11 != null);
     }
   }
+
+  /// Extract a query parameter value from a BIP-321 URI.
+  /// Case-insensitive key matching, handles percent-encoding.
+  static String? _extractBip321Param(String uri, String key) {
+    final qIndex = uri.indexOf('?');
+    if (qIndex < 0) return null;
+    final query = uri.substring(qIndex + 1);
+    for (final param in query.split('&')) {
+      final eqIndex = param.indexOf('=');
+      if (eqIndex < 0) continue;
+      final k = param.substring(0, eqIndex);
+      if (k.toLowerCase() == key.toLowerCase()) {
+        final rawValue = param.substring(eqIndex + 1);
+        if (rawValue.isEmpty) continue;
+        try {
+          final value = Uri.decodeComponent(rawValue);
+          if (value.isEmpty) continue;
+          return value;
+        } on ArgumentError {
+          continue;
+        }
+      }
+    }
+    return null;
+  }
 }

lib/l10n/app_de.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Scanne eine Lightning Rechnung (lnbc...)",
   "addMintQuestion": "Diesen Mint hinzufügen?",
   "cameraPermissionDenied": "Kamera-Berechtigung verweigert",
-  "paymentRequestNotSupported": "Zahlungsanfragen werden noch nicht unterstützt",
+  "paymentRequestTitle": "Zahlungsanfrage",
+  "paymentRequestFrom": "Anfrage von",
+  "paymentRequestAmount": "Angeforderter Betrag",
+  "paymentRequestDescription": "Beschreibung",
+  "paymentRequestMints": "Akzeptierte Mints",
+  "paymentRequestAnyMint": "Jeder Mint",
+  "paymentRequestPay": "Bezahlen",
+  "paymentRequestPaying": "Bezahle...",
+  "paymentRequestSuccess": "Zahlung erfolgreich gesendet",
+  "paymentRequestNoTransport": "Diese Anfrage hat keine konfigurierte Zustellmethode",
+  "paymentRequestTransport": "Transport",
+  "paymentRequestMintNotAccepted": "Dein aktiver Mint ist nicht in der Liste der akzeptierten Mints",
+  "paymentRequestUnitMismatch": "Inkompatible Einheit: Anfrage erfordert {unit}",
+  "paymentRequestInsufficientBalance": "Unzureichendes Guthaben",
+  "paymentRequestErrorParsing": "Fehler beim Lesen der Zahlungsanfrage",
+
   "p2pkTitle": "P2PK-Schlüssel",
   "p2pkSettingsDescription": "Gesperrtes ecash empfangen",
   "p2pkExperimental": "P2PK ist experimentell. Mit Vorsicht verwenden.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "Ungültiger nsec",
   "p2pkErrorKeyAlreadyExists": "Dieser Schlüssel existiert bereits",
   "p2pkErrorKeyNotFound": "Schlüssel nicht gefunden",
-  "p2pkErrorCannotDeletePrimary": "Primärschlüssel kann nicht gelöscht werden"
+  "p2pkErrorCannotDeletePrimary": "Primärschlüssel kann nicht gelöscht werden",
+
+  "request": "Anfordern",
+  "requestPayment": "Zahlung anfordern",
+  "requestPaymentDescription": "Einheitliche Zahlungsanforderung erstellen",
+  "generateRequest": "Anforderung erstellen",
+  "generatingRequest": "Anforderung wird erstellt...",
+  "requestPaymentReceived": "Zahlung erhalten",
+  "requestDescriptionHint": "Beschreibung (optional)",
+  "universal": "Universal",
+  "copiedToClipboard": "In die Zwischenablage kopiert"
 }

lib/l10n/app_en.arb

@@ -390,7 +390,26 @@
   "scanLightningInvoiceHint": "Scan a Lightning invoice (lnbc...)",
   "addMintQuestion": "Add this mint?",
   "cameraPermissionDenied": "Camera permission denied",
-  "paymentRequestNotSupported": "Payment requests are not yet supported",
+  "paymentRequestTitle": "Payment Request",
+  "paymentRequestFrom": "Request from",
+  "paymentRequestAmount": "Requested amount",
+  "paymentRequestDescription": "Description",
+  "paymentRequestMints": "Accepted mints",
+  "paymentRequestAnyMint": "Any mint",
+  "paymentRequestPay": "Pay",
+  "paymentRequestPaying": "Paying...",
+  "paymentRequestSuccess": "Payment sent successfully",
+  "paymentRequestNoTransport": "This request has no delivery method configured",
+  "paymentRequestTransport": "Transport",
+  "paymentRequestMintNotAccepted": "Your active mint is not in the list of accepted mints",
+  "paymentRequestUnitMismatch": "Incompatible unit: request requires {unit}",
+  "@paymentRequestUnitMismatch": {
+    "placeholders": {
+      "unit": { "type": "String" }
+    }
+  },
+  "paymentRequestInsufficientBalance": "Insufficient balance",
+  "paymentRequestErrorParsing": "Error reading payment request",
 
   "p2pkTitle": "P2PK Keys",
   "p2pkSettingsDescription": "Receive locked ecash",
@@ -423,5 +442,15 @@
   "p2pkErrorInvalidNsec": "Invalid nsec",
   "p2pkErrorKeyAlreadyExists": "This key already exists",
   "p2pkErrorKeyNotFound": "Key not found",
-  "p2pkErrorCannotDeletePrimary": "Cannot delete primary key"
+  "p2pkErrorCannotDeletePrimary": "Cannot delete primary key",
+
+  "request": "Request",
+  "requestPayment": "Request Payment",
+  "requestPaymentDescription": "Generate unified payment request",
+  "generateRequest": "Generate Request",
+  "generatingRequest": "Generating request...",
+  "requestPaymentReceived": "Payment received",
+  "requestDescriptionHint": "Description (optional)",
+  "universal": "Universal",
+  "copiedToClipboard": "Copied to clipboard"
 }

lib/l10n/app_es.arb

@@ -510,7 +510,26 @@
   "scanLightningInvoiceHint": "Escanea un invoice Lightning (lnbc...)",
   "addMintQuestion": "¿Agregar este mint?",
   "cameraPermissionDenied": "Permiso de cámara denegado",
-  "paymentRequestNotSupported": "Los payment requests aún no están soportados",
+  "paymentRequestTitle": "Solicitud de pago",
+  "paymentRequestFrom": "Solicitud de",
+  "paymentRequestAmount": "Monto solicitado",
+  "paymentRequestDescription": "Descripción",
+  "paymentRequestMints": "Mints aceptados",
+  "paymentRequestAnyMint": "Cualquier mint",
+  "paymentRequestPay": "Pagar",
+  "paymentRequestPaying": "Pagando...",
+  "paymentRequestSuccess": "Pago enviado correctamente",
+  "paymentRequestNoTransport": "Esta solicitud no tiene método de entrega configurado",
+  "paymentRequestTransport": "Transporte",
+  "paymentRequestMintNotAccepted": "Tu mint activo no está en la lista de mints aceptados",
+  "paymentRequestUnitMismatch": "Unidad incompatible: la solicitud requiere {unit}",
+  "@paymentRequestUnitMismatch": {
+    "placeholders": {
+      "unit": { "type": "String" }
+    }
+  },
+  "paymentRequestInsufficientBalance": "Balance insuficiente",
+  "paymentRequestErrorParsing": "Error al leer la solicitud de pago",
 
   "p2pkTitle": "Claves P2PK",
   "p2pkSettingsDescription": "Recibir ecash bloqueado",
@@ -543,5 +562,15 @@
   "p2pkErrorInvalidNsec": "nsec inválido",
   "p2pkErrorKeyAlreadyExists": "Esta clave ya existe",
   "p2pkErrorKeyNotFound": "Clave no encontrada",
-  "p2pkErrorCannotDeletePrimary": "No se puede eliminar la clave principal"
+  "p2pkErrorCannotDeletePrimary": "No se puede eliminar la clave principal",
+
+  "request": "Solicitar",
+  "requestPayment": "Solicitar pago",
+  "requestPaymentDescription": "Generar solicitud de pago unificada",
+  "generateRequest": "Generar solicitud",
+  "generatingRequest": "Generando solicitud...",
+  "requestPaymentReceived": "Pago recibido",
+  "requestDescriptionHint": "Descripción (opcional)",
+  "universal": "Universal",
+  "copiedToClipboard": "Copiado al portapapeles"
 }

lib/l10n/app_fr.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Scannez une facture Lightning (lnbc...)",
   "addMintQuestion": "Ajouter ce mint ?",
   "cameraPermissionDenied": "Permission de la caméra refusée",
-  "paymentRequestNotSupported": "Les demandes de paiement ne sont pas encore prises en charge",
+  "paymentRequestTitle": "Demande de paiement",
+  "paymentRequestFrom": "Demande de",
+  "paymentRequestAmount": "Montant demandé",
+  "paymentRequestDescription": "Description",
+  "paymentRequestMints": "Mints acceptés",
+  "paymentRequestAnyMint": "N'importe quel mint",
+  "paymentRequestPay": "Payer",
+  "paymentRequestPaying": "Paiement en cours...",
+  "paymentRequestSuccess": "Paiement envoyé avec succès",
+  "paymentRequestNoTransport": "Cette demande n'a pas de méthode de livraison configurée",
+  "paymentRequestTransport": "Transport",
+  "paymentRequestMintNotAccepted": "Votre mint actif n'est pas dans la liste des mints acceptés",
+  "paymentRequestUnitMismatch": "Unité incompatible : la demande nécessite {unit}",
+  "paymentRequestInsufficientBalance": "Solde insuffisant",
+  "paymentRequestErrorParsing": "Erreur lors de la lecture de la demande de paiement",
+
   "p2pkTitle": "Clés P2PK",
   "p2pkSettingsDescription": "Recevoir ecash verrouillé",
   "p2pkExperimental": "P2PK est expérimental. Utiliser avec prudence.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "nsec invalide",
   "p2pkErrorKeyAlreadyExists": "Cette clé existe déjà",
   "p2pkErrorKeyNotFound": "Clé non trouvée",
-  "p2pkErrorCannotDeletePrimary": "Impossible de supprimer la clé principale"
+  "p2pkErrorCannotDeletePrimary": "Impossible de supprimer la clé principale",
+
+  "request": "Demander",
+  "requestPayment": "Demander un paiement",
+  "requestPaymentDescription": "Générer une demande de paiement unifiée",
+  "generateRequest": "Générer la demande",
+  "generatingRequest": "Génération en cours...",
+  "requestPaymentReceived": "Paiement reçu",
+  "requestDescriptionHint": "Description (facultatif)",
+  "universal": "Universel",
+  "copiedToClipboard": "Copié dans le presse-papiers"
 }

lib/l10n/app_it.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Scansiona una fattura Lightning (lnbc...)",
   "addMintQuestion": "Aggiungere questo mint?",
   "cameraPermissionDenied": "Permesso fotocamera negato",
-  "paymentRequestNotSupported": "Le richieste di pagamento non sono ancora supportate",
+  "paymentRequestTitle": "Richiesta di pagamento",
+  "paymentRequestFrom": "Richiesta da",
+  "paymentRequestAmount": "Importo richiesto",
+  "paymentRequestDescription": "Descrizione",
+  "paymentRequestMints": "Mint accettati",
+  "paymentRequestAnyMint": "Qualsiasi mint",
+  "paymentRequestPay": "Paga",
+  "paymentRequestPaying": "Pagamento in corso...",
+  "paymentRequestSuccess": "Pagamento inviato con successo",
+  "paymentRequestNoTransport": "Questa richiesta non ha un metodo di consegna configurato",
+  "paymentRequestTransport": "Trasporto",
+  "paymentRequestMintNotAccepted": "Il tuo mint attivo non è nella lista dei mint accettati",
+  "paymentRequestUnitMismatch": "Unità incompatibile: la richiesta richiede {unit}",
+  "paymentRequestInsufficientBalance": "Saldo insufficiente",
+  "paymentRequestErrorParsing": "Errore nella lettura della richiesta di pagamento",
+
   "p2pkTitle": "Chiavi P2PK",
   "p2pkSettingsDescription": "Ricevi ecash bloccato",
   "p2pkExperimental": "P2PK è sperimentale. Usare con cautela.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "nsec non valido",
   "p2pkErrorKeyAlreadyExists": "Questa chiave esiste già",
   "p2pkErrorKeyNotFound": "Chiave non trovata",
-  "p2pkErrorCannotDeletePrimary": "Impossibile eliminare la chiave principale"
+  "p2pkErrorCannotDeletePrimary": "Impossibile eliminare la chiave principale",
+
+  "request": "Richiedi",
+  "requestPayment": "Richiedi pagamento",
+  "requestPaymentDescription": "Genera richiesta di pagamento unificata",
+  "generateRequest": "Genera richiesta",
+  "generatingRequest": "Generazione in corso...",
+  "requestPaymentReceived": "Pagamento ricevuto",
+  "requestDescriptionHint": "Descrizione (opzionale)",
+  "universal": "Universale",
+  "copiedToClipboard": "Copiato negli appunti"
 }

lib/l10n/app_ja.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Lightningインボイスをスキャン（lnbc...）",
   "addMintQuestion": "このMintを追加しますか？",
   "cameraPermissionDenied": "カメラの許可が拒否されました",
-  "paymentRequestNotSupported": "支払いリクエストはまだサポートされていません",
+  "paymentRequestTitle": "支払いリクエスト",
+  "paymentRequestFrom": "リクエスト元",
+  "paymentRequestAmount": "リクエスト金額",
+  "paymentRequestDescription": "説明",
+  "paymentRequestMints": "対応ミント",
+  "paymentRequestAnyMint": "すべてのミント",
+  "paymentRequestPay": "支払う",
+  "paymentRequestPaying": "支払い中...",
+  "paymentRequestSuccess": "支払いが正常に送信されました",
+  "paymentRequestNoTransport": "このリクエストには配信方法が設定されていません",
+  "paymentRequestTransport": "トランスポート",
+  "paymentRequestMintNotAccepted": "アクティブなミントは対応ミントリストにありません",
+  "paymentRequestUnitMismatch": "単位が互換性がありません：リクエストには{unit}が必要です",
+  "paymentRequestInsufficientBalance": "残高不足",
+  "paymentRequestErrorParsing": "支払いリクエストの読み取りエラー",
+
   "p2pkTitle": "P2PK鍵",
   "p2pkSettingsDescription": "ロックされたecashを受け取る",
   "p2pkExperimental": "P2PKは実験的機能です。注意してご使用ください。",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "無効なnsec",
   "p2pkErrorKeyAlreadyExists": "この鍵は既に存在します",
   "p2pkErrorKeyNotFound": "鍵が見つかりません",
-  "p2pkErrorCannotDeletePrimary": "プライマリ鍵は削除できません"
+  "p2pkErrorCannotDeletePrimary": "プライマリ鍵は削除できません",
+
+  "request": "リクエスト",
+  "requestPayment": "支払いをリクエスト",
+  "requestPaymentDescription": "統合支払いリクエストを生成",
+  "generateRequest": "リクエストを生成",
+  "generatingRequest": "生成中...",
+  "requestPaymentReceived": "支払いを受け取りました",
+  "requestDescriptionHint": "説明（任意）",
+  "universal": "ユニバーサル",
+  "copiedToClipboard": "クリップボードにコピーしました"
 }

lib/l10n/app_ko.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Lightning 인보이스 스캔 (lnbc...)",
   "addMintQuestion": "이 mint를 추가하시겠습니까?",
   "cameraPermissionDenied": "카메라 권한이 거부되었습니다",
-  "paymentRequestNotSupported": "결제 요청은 아직 지원되지 않습니다",
+  "paymentRequestTitle": "결제 요청",
+  "paymentRequestFrom": "요청자",
+  "paymentRequestAmount": "요청 금액",
+  "paymentRequestDescription": "설명",
+  "paymentRequestMints": "허용된 민트",
+  "paymentRequestAnyMint": "모든 민트",
+  "paymentRequestPay": "결제",
+  "paymentRequestPaying": "결제 중...",
+  "paymentRequestSuccess": "결제가 성공적으로 전송되었습니다",
+  "paymentRequestNoTransport": "이 요청에는 전달 방법이 설정되지 않았습니다",
+  "paymentRequestTransport": "전송 방식",
+  "paymentRequestMintNotAccepted": "활성 민트가 허용된 민트 목록에 없습니다",
+  "paymentRequestUnitMismatch": "호환되지 않는 단위: 요청에 {unit}이(가) 필요합니다",
+  "paymentRequestInsufficientBalance": "잔액 부족",
+  "paymentRequestErrorParsing": "결제 요청을 읽는 중 오류 발생",
+
   "p2pkTitle": "P2PK 키",
   "p2pkSettingsDescription": "잠긴 ecash 받기",
   "p2pkExperimental": "P2PK는 실험적 기능입니다. 주의하여 사용하세요.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "유효하지 않은 nsec",
   "p2pkErrorKeyAlreadyExists": "이 키는 이미 존재합니다",
   "p2pkErrorKeyNotFound": "키를 찾을 수 없습니다",
-  "p2pkErrorCannotDeletePrimary": "기본 키는 삭제할 수 없습니다"
+  "p2pkErrorCannotDeletePrimary": "기본 키는 삭제할 수 없습니다",
+
+  "request": "요청",
+  "requestPayment": "결제 요청",
+  "requestPaymentDescription": "통합 결제 요청 생성",
+  "generateRequest": "요청 생성",
+  "generatingRequest": "생성 중...",
+  "requestPaymentReceived": "결제가 수신되었습니다",
+  "requestDescriptionHint": "설명 (선택사항)",
+  "universal": "유니버설",
+  "copiedToClipboard": "클립보드에 복사되었습니다"
 }

lib/l10n/app_localizations.dart

@@ -2017,11 +2017,95 @@ abstract class L10n {
   /// **'Permiso de cámara denegado'**
   String get cameraPermissionDenied;
 
-  /// No description provided for @paymentRequestNotSupported.
+  /// No description provided for @paymentRequestTitle.
   ///
   /// In es, this message translates to:
-  /// **'Los payment requests aún no están soportados'**
-  String get paymentRequestNotSupported;
+  /// **'Solicitud de pago'**
+  String get paymentRequestTitle;
+
+  /// No description provided for @paymentRequestFrom.
+  ///
+  /// In es, this message translates to:
+  /// **'Solicitud de'**
+  String get paymentRequestFrom;
+
+  /// No description provided for @paymentRequestAmount.
+  ///
+  /// In es, this message translates to:
+  /// **'Monto solicitado'**
+  String get paymentRequestAmount;
+
+  /// No description provided for @paymentRequestDescription.
+  ///
+  /// In es, this message translates to:
+  /// **'Descripción'**
+  String get paymentRequestDescription;
+
+  /// No description provided for @paymentRequestMints.
+  ///
+  /// In es, this message translates to:
+  /// **'Mints aceptados'**
+  String get paymentRequestMints;
+
+  /// No description provided for @paymentRequestAnyMint.
+  ///
+  /// In es, this message translates to:
+  /// **'Cualquier mint'**
+  String get paymentRequestAnyMint;
+
+  /// No description provided for @paymentRequestPay.
+  ///
+  /// In es, this message translates to:
+  /// **'Pagar'**
+  String get paymentRequestPay;
+
+  /// No description provided for @paymentRequestPaying.
+  ///
+  /// In es, this message translates to:
+  /// **'Pagando...'**
+  String get paymentRequestPaying;
+
+  /// No description provided for @paymentRequestSuccess.
+  ///
+  /// In es, this message translates to:
+  /// **'Pago enviado correctamente'**
+  String get paymentRequestSuccess;
+
+  /// No description provided for @paymentRequestNoTransport.
+  ///
+  /// In es, this message translates to:
+  /// **'Esta solicitud no tiene método de entrega configurado'**
+  String get paymentRequestNoTransport;
+
+  /// No description provided for @paymentRequestTransport.
+  ///
+  /// In es, this message translates to:
+  /// **'Transporte'**
+  String get paymentRequestTransport;
+
+  /// No description provided for @paymentRequestMintNotAccepted.
+  ///
+  /// In es, this message translates to:
+  /// **'Tu mint activo no está en la lista de mints aceptados'**
+  String get paymentRequestMintNotAccepted;
+
+  /// No description provided for @paymentRequestUnitMismatch.
+  ///
+  /// In es, this message translates to:
+  /// **'Unidad incompatible: la solicitud requiere {unit}'**
+  String paymentRequestUnitMismatch(String unit);
+
+  /// No description provided for @paymentRequestInsufficientBalance.
+  ///
+  /// In es, this message translates to:
+  /// **'Balance insuficiente'**
+  String get paymentRequestInsufficientBalance;
+
+  /// No description provided for @paymentRequestErrorParsing.
+  ///
+  /// In es, this message translates to:
+  /// **'Error al leer la solicitud de pago'**
+  String get paymentRequestErrorParsing;
 
   /// No description provided for @p2pkTitle.
   ///
@@ -2214,6 +2298,60 @@ abstract class L10n {
   /// In es, this message translates to:
   /// **'No se puede eliminar la clave principal'**
   String get p2pkErrorCannotDeletePrimary;
+
+  /// No description provided for @request.
+  ///
+  /// In es, this message translates to:
+  /// **'Solicitar'**
+  String get request;
+
+  /// No description provided for @requestPayment.
+  ///
+  /// In es, this message translates to:
+  /// **'Solicitar pago'**
+  String get requestPayment;
+
+  /// No description provided for @requestPaymentDescription.
+  ///
+  /// In es, this message translates to:
+  /// **'Generar solicitud de pago unificada'**
+  String get requestPaymentDescription;
+
+  /// No description provided for @generateRequest.
+  ///
+  /// In es, this message translates to:
+  /// **'Generar solicitud'**
+  String get generateRequest;
+
+  /// No description provided for @generatingRequest.
+  ///
+  /// In es, this message translates to:
+  /// **'Generando solicitud...'**
+  String get generatingRequest;
+
+  /// No description provided for @requestPaymentReceived.
+  ///
+  /// In es, this message translates to:
+  /// **'Pago recibido'**
+  String get requestPaymentReceived;
+
+  /// No description provided for @requestDescriptionHint.
+  ///
+  /// In es, this message translates to:
+  /// **'Descripción (opcional)'**
+  String get requestDescriptionHint;
+
+  /// No description provided for @universal.
+  ///
+  /// In es, this message translates to:
+  /// **'Universal'**
+  String get universal;
+
+  /// No description provided for @copiedToClipboard.
+  ///
+  /// In es, this message translates to:
+  /// **'Copiado al portapapeles'**
+  String get copiedToClipboard;
 }
 
 class _L10nDelegate extends LocalizationsDelegate<L10n> {

lib/l10n/app_localizations_de.dart

@@ -1063,8 +1063,54 @@ class L10nDe extends L10n {
   String get cameraPermissionDenied => 'Kamera-Berechtigung verweigert';
 
   @override
-  String get paymentRequestNotSupported =>
-      'Zahlungsanfragen werden noch nicht unterstützt';
+  String get paymentRequestTitle => 'Zahlungsanfrage';
+
+  @override
+  String get paymentRequestFrom => 'Anfrage von';
+
+  @override
+  String get paymentRequestAmount => 'Angeforderter Betrag';
+
+  @override
+  String get paymentRequestDescription => 'Beschreibung';
+
+  @override
+  String get paymentRequestMints => 'Akzeptierte Mints';
+
+  @override
+  String get paymentRequestAnyMint => 'Jeder Mint';
+
+  @override
+  String get paymentRequestPay => 'Bezahlen';
+
+  @override
+  String get paymentRequestPaying => 'Bezahle...';
+
+  @override
+  String get paymentRequestSuccess => 'Zahlung erfolgreich gesendet';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'Diese Anfrage hat keine konfigurierte Zustellmethode';
+
+  @override
+  String get paymentRequestTransport => 'Transport';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Dein aktiver Mint ist nicht in der Liste der akzeptierten Mints';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Inkompatible Einheit: Anfrage erfordert $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Unzureichendes Guthaben';
+
+  @override
+  String get paymentRequestErrorParsing =>
+      'Fehler beim Lesen der Zahlungsanfrage';
 
   @override
   String get p2pkTitle => 'P2PK-Schlüssel';
@@ -1167,4 +1213,32 @@ class L10nDe extends L10n {
   @override
   String get p2pkErrorCannotDeletePrimary =>
       'Primärschlüssel kann nicht gelöscht werden';
+
+  @override
+  String get request => 'Anfordern';
+
+  @override
+  String get requestPayment => 'Zahlung anfordern';
+
+  @override
+  String get requestPaymentDescription =>
+      'Einheitliche Zahlungsanforderung erstellen';
+
+  @override
+  String get generateRequest => 'Anforderung erstellen';
+
+  @override
+  String get generatingRequest => 'Anforderung wird erstellt...';
+
+  @override
+  String get requestPaymentReceived => 'Zahlung erhalten';
+
+  @override
+  String get requestDescriptionHint => 'Beschreibung (optional)';
+
+  @override
+  String get universal => 'Universal';
+
+  @override
+  String get copiedToClipboard => 'In die Zwischenablage kopiert';
 }

lib/l10n/app_localizations_en.dart

@@ -1050,8 +1050,53 @@ class L10nEn extends L10n {
   String get cameraPermissionDenied => 'Camera permission denied';
 
   @override
-  String get paymentRequestNotSupported =>
-      'Payment requests are not yet supported';
+  String get paymentRequestTitle => 'Payment Request';
+
+  @override
+  String get paymentRequestFrom => 'Request from';
+
+  @override
+  String get paymentRequestAmount => 'Requested amount';
+
+  @override
+  String get paymentRequestDescription => 'Description';
+
+  @override
+  String get paymentRequestMints => 'Accepted mints';
+
+  @override
+  String get paymentRequestAnyMint => 'Any mint';
+
+  @override
+  String get paymentRequestPay => 'Pay';
+
+  @override
+  String get paymentRequestPaying => 'Paying...';
+
+  @override
+  String get paymentRequestSuccess => 'Payment sent successfully';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'This request has no delivery method configured';
+
+  @override
+  String get paymentRequestTransport => 'Transport';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Your active mint is not in the list of accepted mints';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Incompatible unit: request requires $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Insufficient balance';
+
+  @override
+  String get paymentRequestErrorParsing => 'Error reading payment request';
 
   @override
   String get p2pkTitle => 'P2PK Keys';
@@ -1150,4 +1195,31 @@ class L10nEn extends L10n {
 
   @override
   String get p2pkErrorCannotDeletePrimary => 'Cannot delete primary key';
+
+  @override
+  String get request => 'Request';
+
+  @override
+  String get requestPayment => 'Request Payment';
+
+  @override
+  String get requestPaymentDescription => 'Generate unified payment request';
+
+  @override
+  String get generateRequest => 'Generate Request';
+
+  @override
+  String get generatingRequest => 'Generating request...';
+
+  @override
+  String get requestPaymentReceived => 'Payment received';
+
+  @override
+  String get requestDescriptionHint => 'Description (optional)';
+
+  @override
+  String get universal => 'Universal';
+
+  @override
+  String get copiedToClipboard => 'Copied to clipboard';
 }

lib/l10n/app_localizations_es.dart

@@ -1055,8 +1055,53 @@ class L10nEs extends L10n {
   String get cameraPermissionDenied => 'Permiso de cámara denegado';
 
   @override
-  String get paymentRequestNotSupported =>
-      'Los payment requests aún no están soportados';
+  String get paymentRequestTitle => 'Solicitud de pago';
+
+  @override
+  String get paymentRequestFrom => 'Solicitud de';
+
+  @override
+  String get paymentRequestAmount => 'Monto solicitado';
+
+  @override
+  String get paymentRequestDescription => 'Descripción';
+
+  @override
+  String get paymentRequestMints => 'Mints aceptados';
+
+  @override
+  String get paymentRequestAnyMint => 'Cualquier mint';
+
+  @override
+  String get paymentRequestPay => 'Pagar';
+
+  @override
+  String get paymentRequestPaying => 'Pagando...';
+
+  @override
+  String get paymentRequestSuccess => 'Pago enviado correctamente';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'Esta solicitud no tiene método de entrega configurado';
+
+  @override
+  String get paymentRequestTransport => 'Transporte';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Tu mint activo no está en la lista de mints aceptados';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Unidad incompatible: la solicitud requiere $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Balance insuficiente';
+
+  @override
+  String get paymentRequestErrorParsing => 'Error al leer la solicitud de pago';
 
   @override
   String get p2pkTitle => 'Claves P2PK';
@@ -1158,4 +1203,31 @@ class L10nEs extends L10n {
   @override
   String get p2pkErrorCannotDeletePrimary =>
       'No se puede eliminar la clave principal';
+
+  @override
+  String get request => 'Solicitar';
+
+  @override
+  String get requestPayment => 'Solicitar pago';
+
+  @override
+  String get requestPaymentDescription => 'Generar solicitud de pago unificada';
+
+  @override
+  String get generateRequest => 'Generar solicitud';
+
+  @override
+  String get generatingRequest => 'Generando solicitud...';
+
+  @override
+  String get requestPaymentReceived => 'Pago recibido';
+
+  @override
+  String get requestDescriptionHint => 'Descripción (opcional)';
+
+  @override
+  String get universal => 'Universal';
+
+  @override
+  String get copiedToClipboard => 'Copiado al portapapeles';
 }

lib/l10n/app_localizations_fr.dart

@@ -1068,8 +1068,54 @@ 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 paymentRequestTitle => 'Demande de paiement';
+
+  @override
+  String get paymentRequestFrom => 'Demande de';
+
+  @override
+  String get paymentRequestAmount => 'Montant demandé';
+
+  @override
+  String get paymentRequestDescription => 'Description';
+
+  @override
+  String get paymentRequestMints => 'Mints acceptés';
+
+  @override
+  String get paymentRequestAnyMint => 'N\'importe quel mint';
+
+  @override
+  String get paymentRequestPay => 'Payer';
+
+  @override
+  String get paymentRequestPaying => 'Paiement en cours...';
+
+  @override
+  String get paymentRequestSuccess => 'Paiement envoyé avec succès';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'Cette demande n\'a pas de méthode de livraison configurée';
+
+  @override
+  String get paymentRequestTransport => 'Transport';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Votre mint actif n\'est pas dans la liste des mints acceptés';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Unité incompatible : la demande nécessite $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Solde insuffisant';
+
+  @override
+  String get paymentRequestErrorParsing =>
+      'Erreur lors de la lecture de la demande de paiement';
 
   @override
   String get p2pkTitle => 'Clés P2PK';
@@ -1172,4 +1218,32 @@ class L10nFr extends L10n {
   @override
   String get p2pkErrorCannotDeletePrimary =>
       'Impossible de supprimer la clé principale';
+
+  @override
+  String get request => 'Demander';
+
+  @override
+  String get requestPayment => 'Demander un paiement';
+
+  @override
+  String get requestPaymentDescription =>
+      'Générer une demande de paiement unifiée';
+
+  @override
+  String get generateRequest => 'Générer la demande';
+
+  @override
+  String get generatingRequest => 'Génération en cours...';
+
+  @override
+  String get requestPaymentReceived => 'Paiement reçu';
+
+  @override
+  String get requestDescriptionHint => 'Description (facultatif)';
+
+  @override
+  String get universal => 'Universel';
+
+  @override
+  String get copiedToClipboard => 'Copié dans le presse-papiers';
 }

lib/l10n/app_localizations_it.dart

@@ -1058,8 +1058,54 @@ class L10nIt extends L10n {
   String get cameraPermissionDenied => 'Permesso fotocamera negato';
 
   @override
-  String get paymentRequestNotSupported =>
-      'Le richieste di pagamento non sono ancora supportate';
+  String get paymentRequestTitle => 'Richiesta di pagamento';
+
+  @override
+  String get paymentRequestFrom => 'Richiesta da';
+
+  @override
+  String get paymentRequestAmount => 'Importo richiesto';
+
+  @override
+  String get paymentRequestDescription => 'Descrizione';
+
+  @override
+  String get paymentRequestMints => 'Mint accettati';
+
+  @override
+  String get paymentRequestAnyMint => 'Qualsiasi mint';
+
+  @override
+  String get paymentRequestPay => 'Paga';
+
+  @override
+  String get paymentRequestPaying => 'Pagamento in corso...';
+
+  @override
+  String get paymentRequestSuccess => 'Pagamento inviato con successo';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'Questa richiesta non ha un metodo di consegna configurato';
+
+  @override
+  String get paymentRequestTransport => 'Trasporto';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Il tuo mint attivo non è nella lista dei mint accettati';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Unità incompatibile: la richiesta richiede $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Saldo insufficiente';
+
+  @override
+  String get paymentRequestErrorParsing =>
+      'Errore nella lettura della richiesta di pagamento';
 
   @override
   String get p2pkTitle => 'Chiavi P2PK';
@@ -1160,4 +1206,32 @@ class L10nIt extends L10n {
   @override
   String get p2pkErrorCannotDeletePrimary =>
       'Impossibile eliminare la chiave principale';
+
+  @override
+  String get request => 'Richiedi';
+
+  @override
+  String get requestPayment => 'Richiedi pagamento';
+
+  @override
+  String get requestPaymentDescription =>
+      'Genera richiesta di pagamento unificata';
+
+  @override
+  String get generateRequest => 'Genera richiesta';
+
+  @override
+  String get generatingRequest => 'Generazione in corso...';
+
+  @override
+  String get requestPaymentReceived => 'Pagamento ricevuto';
+
+  @override
+  String get requestDescriptionHint => 'Descrizione (opzionale)';
+
+  @override
+  String get universal => 'Universale';
+
+  @override
+  String get copiedToClipboard => 'Copiato negli appunti';
 }

lib/l10n/app_localizations_ja.dart

@@ -1038,7 +1038,51 @@ class L10nJa extends L10n {
   String get cameraPermissionDenied => 'カメラの許可が拒否されました';
 
   @override
-  String get paymentRequestNotSupported => '支払いリクエストはまだサポートされていません';
+  String get paymentRequestTitle => '支払いリクエスト';
+
+  @override
+  String get paymentRequestFrom => 'リクエスト元';
+
+  @override
+  String get paymentRequestAmount => 'リクエスト金額';
+
+  @override
+  String get paymentRequestDescription => '説明';
+
+  @override
+  String get paymentRequestMints => '対応ミント';
+
+  @override
+  String get paymentRequestAnyMint => 'すべてのミント';
+
+  @override
+  String get paymentRequestPay => '支払う';
+
+  @override
+  String get paymentRequestPaying => '支払い中...';
+
+  @override
+  String get paymentRequestSuccess => '支払いが正常に送信されました';
+
+  @override
+  String get paymentRequestNoTransport => 'このリクエストには配信方法が設定されていません';
+
+  @override
+  String get paymentRequestTransport => 'トランスポート';
+
+  @override
+  String get paymentRequestMintNotAccepted => 'アクティブなミントは対応ミントリストにありません';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return '単位が互換性がありません：リクエストには$unitが必要です';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => '残高不足';
+
+  @override
+  String get paymentRequestErrorParsing => '支払いリクエストの読み取りエラー';
 
   @override
   String get p2pkTitle => 'P2PK鍵';
@@ -1136,4 +1180,31 @@ class L10nJa extends L10n {
 
   @override
   String get p2pkErrorCannotDeletePrimary => 'プライマリ鍵は削除できません';
+
+  @override
+  String get request => 'リクエスト';
+
+  @override
+  String get requestPayment => '支払いをリクエスト';
+
+  @override
+  String get requestPaymentDescription => '統合支払いリクエストを生成';
+
+  @override
+  String get generateRequest => 'リクエストを生成';
+
+  @override
+  String get generatingRequest => '生成中...';
+
+  @override
+  String get requestPaymentReceived => '支払いを受け取りました';
+
+  @override
+  String get requestDescriptionHint => '説明（任意）';
+
+  @override
+  String get universal => 'ユニバーサル';
+
+  @override
+  String get copiedToClipboard => 'クリップボードにコピーしました';
 }

lib/l10n/app_localizations_ko.dart

@@ -1040,7 +1040,51 @@ class L10nKo extends L10n {
   String get cameraPermissionDenied => '카메라 권한이 거부되었습니다';
 
   @override
-  String get paymentRequestNotSupported => '결제 요청은 아직 지원되지 않습니다';
+  String get paymentRequestTitle => '결제 요청';
+
+  @override
+  String get paymentRequestFrom => '요청자';
+
+  @override
+  String get paymentRequestAmount => '요청 금액';
+
+  @override
+  String get paymentRequestDescription => '설명';
+
+  @override
+  String get paymentRequestMints => '허용된 민트';
+
+  @override
+  String get paymentRequestAnyMint => '모든 민트';
+
+  @override
+  String get paymentRequestPay => '결제';
+
+  @override
+  String get paymentRequestPaying => '결제 중...';
+
+  @override
+  String get paymentRequestSuccess => '결제가 성공적으로 전송되었습니다';
+
+  @override
+  String get paymentRequestNoTransport => '이 요청에는 전달 방법이 설정되지 않았습니다';
+
+  @override
+  String get paymentRequestTransport => '전송 방식';
+
+  @override
+  String get paymentRequestMintNotAccepted => '활성 민트가 허용된 민트 목록에 없습니다';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return '호환되지 않는 단위: 요청에 $unit이(가) 필요합니다';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => '잔액 부족';
+
+  @override
+  String get paymentRequestErrorParsing => '결제 요청을 읽는 중 오류 발생';
 
   @override
   String get p2pkTitle => 'P2PK 키';
@@ -1138,4 +1182,31 @@ class L10nKo extends L10n {
 
   @override
   String get p2pkErrorCannotDeletePrimary => '기본 키는 삭제할 수 없습니다';
+
+  @override
+  String get request => '요청';
+
+  @override
+  String get requestPayment => '결제 요청';
+
+  @override
+  String get requestPaymentDescription => '통합 결제 요청 생성';
+
+  @override
+  String get generateRequest => '요청 생성';
+
+  @override
+  String get generatingRequest => '생성 중...';
+
+  @override
+  String get requestPaymentReceived => '결제가 수신되었습니다';
+
+  @override
+  String get requestDescriptionHint => '설명 (선택사항)';
+
+  @override
+  String get universal => '유니버설';
+
+  @override
+  String get copiedToClipboard => '클립보드에 복사되었습니다';
 }

lib/l10n/app_localizations_pt.dart

@@ -1057,8 +1057,54 @@ class L10nPt extends L10n {
   String get cameraPermissionDenied => 'Permissão de câmera negada';
 
   @override
-  String get paymentRequestNotSupported =>
-      'Solicitações de pagamento ainda não são suportadas';
+  String get paymentRequestTitle => 'Solicitação de pagamento';
+
+  @override
+  String get paymentRequestFrom => 'Solicitação de';
+
+  @override
+  String get paymentRequestAmount => 'Valor solicitado';
+
+  @override
+  String get paymentRequestDescription => 'Descrição';
+
+  @override
+  String get paymentRequestMints => 'Mints aceitos';
+
+  @override
+  String get paymentRequestAnyMint => 'Qualquer mint';
+
+  @override
+  String get paymentRequestPay => 'Pagar';
+
+  @override
+  String get paymentRequestPaying => 'Pagando...';
+
+  @override
+  String get paymentRequestSuccess => 'Pagamento enviado com sucesso';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'Esta solicitação não tem método de entrega configurado';
+
+  @override
+  String get paymentRequestTransport => 'Transporte';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Seu mint ativo não está na lista de mints aceitos';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Unidade incompatível: a solicitação requer $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Saldo insuficiente';
+
+  @override
+  String get paymentRequestErrorParsing =>
+      'Erro ao ler a solicitação de pagamento';
 
   @override
   String get p2pkTitle => 'Chaves P2PK';
@@ -1160,4 +1206,32 @@ class L10nPt extends L10n {
   @override
   String get p2pkErrorCannotDeletePrimary =>
       'Não é possível excluir a chave principal';
+
+  @override
+  String get request => 'Solicitar';
+
+  @override
+  String get requestPayment => 'Solicitar pagamento';
+
+  @override
+  String get requestPaymentDescription =>
+      'Gerar solicitação de pagamento unificada';
+
+  @override
+  String get generateRequest => 'Gerar solicitação';
+
+  @override
+  String get generatingRequest => 'Gerando solicitação...';
+
+  @override
+  String get requestPaymentReceived => 'Pagamento recebido';
+
+  @override
+  String get requestDescriptionHint => 'Descrição (opcional)';
+
+  @override
+  String get universal => 'Universal';
+
+  @override
+  String get copiedToClipboard => 'Copiado para a área de transferência';
 }

lib/l10n/app_localizations_ru.dart

@@ -1054,8 +1054,53 @@ class L10nRu extends L10n {
   String get cameraPermissionDenied => 'Доступ к камере запрещён';
 
   @override
-  String get paymentRequestNotSupported =>
-      'Запросы на оплату пока не поддерживаются';
+  String get paymentRequestTitle => 'Запрос на оплату';
+
+  @override
+  String get paymentRequestFrom => 'Запрос от';
+
+  @override
+  String get paymentRequestAmount => 'Запрошенная сумма';
+
+  @override
+  String get paymentRequestDescription => 'Описание';
+
+  @override
+  String get paymentRequestMints => 'Принимаемые минты';
+
+  @override
+  String get paymentRequestAnyMint => 'Любой минт';
+
+  @override
+  String get paymentRequestPay => 'Оплатить';
+
+  @override
+  String get paymentRequestPaying => 'Оплата...';
+
+  @override
+  String get paymentRequestSuccess => 'Платёж успешно отправлен';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'В этом запросе не настроен метод доставки';
+
+  @override
+  String get paymentRequestTransport => 'Транспорт';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Ваш активный минт не в списке принимаемых';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Несовместимая единица: запрос требует $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Недостаточный баланс';
+
+  @override
+  String get paymentRequestErrorParsing => 'Ошибка чтения запроса на оплату';
 
   @override
   String get p2pkTitle => 'Ключи P2PK';
@@ -1157,4 +1202,32 @@ class L10nRu extends L10n {
 
   @override
   String get p2pkErrorCannotDeletePrimary => 'Невозможно удалить основной ключ';
+
+  @override
+  String get request => 'Запросить';
+
+  @override
+  String get requestPayment => 'Запросить платёж';
+
+  @override
+  String get requestPaymentDescription =>
+      'Создать унифицированный запрос на оплату';
+
+  @override
+  String get generateRequest => 'Создать запрос';
+
+  @override
+  String get generatingRequest => 'Создание запроса...';
+
+  @override
+  String get requestPaymentReceived => 'Платёж получен';
+
+  @override
+  String get requestDescriptionHint => 'Описание (необязательно)';
+
+  @override
+  String get universal => 'Универсальный';
+
+  @override
+  String get copiedToClipboard => 'Скопировано в буфер обмена';
 }

lib/l10n/app_localizations_sw.dart

@@ -1057,7 +1057,54 @@ class L10nSw extends L10n {
   String get cameraPermissionDenied => 'Ruhusa ya kamera imekataliwa';
 
   @override
-  String get paymentRequestNotSupported => 'Maombi ya malipo bado hayatumiki';
+  String get paymentRequestTitle => 'Ombi la malipo';
+
+  @override
+  String get paymentRequestFrom => 'Ombi kutoka';
+
+  @override
+  String get paymentRequestAmount => 'Kiasi kilichoombwa';
+
+  @override
+  String get paymentRequestDescription => 'Maelezo';
+
+  @override
+  String get paymentRequestMints => 'Mint zinazokubaliwa';
+
+  @override
+  String get paymentRequestAnyMint => 'Mint yoyote';
+
+  @override
+  String get paymentRequestPay => 'Lipa';
+
+  @override
+  String get paymentRequestPaying => 'Inalipa...';
+
+  @override
+  String get paymentRequestSuccess => 'Malipo yametumwa kwa mafanikio';
+
+  @override
+  String get paymentRequestNoTransport =>
+      'Ombi hili halina njia ya uwasilishaji iliyosanidiwa';
+
+  @override
+  String get paymentRequestTransport => 'Njia ya usafirishaji';
+
+  @override
+  String get paymentRequestMintNotAccepted =>
+      'Mint yako hai haiko kwenye orodha ya mint zinazokubaliwa';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return 'Kitengo kisichooana: ombi linahitaji $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => 'Salio haitoshi';
+
+  @override
+  String get paymentRequestErrorParsing =>
+      'Hitilafu wakati wa kusoma ombi la malipo';
 
   @override
   String get p2pkTitle => 'Funguo za P2PK';
@@ -1157,4 +1204,31 @@ class L10nSw extends L10n {
 
   @override
   String get p2pkErrorCannotDeletePrimary => 'Haiwezekani kufuta ufunguo mkuu';
+
+  @override
+  String get request => 'Omba';
+
+  @override
+  String get requestPayment => 'Omba malipo';
+
+  @override
+  String get requestPaymentDescription => 'Tengeneza ombi la malipo la pamoja';
+
+  @override
+  String get generateRequest => 'Tengeneza ombi';
+
+  @override
+  String get generatingRequest => 'Inatengeneza ombi...';
+
+  @override
+  String get requestPaymentReceived => 'Malipo limepokelewa';
+
+  @override
+  String get requestDescriptionHint => 'Maelezo (si lazima)';
+
+  @override
+  String get universal => 'Universal';
+
+  @override
+  String get copiedToClipboard => 'Imenakiliwa kwenye ubao wa kunakili';
 }

lib/l10n/app_localizations_zh.dart

@@ -1034,7 +1034,51 @@ class L10nZh extends L10n {
   String get cameraPermissionDenied => '相机权限被拒绝';
 
   @override
-  String get paymentRequestNotSupported => '付款请求尚不支持';
+  String get paymentRequestTitle => '付款请求';
+
+  @override
+  String get paymentRequestFrom => '来自';
+
+  @override
+  String get paymentRequestAmount => '请求金额';
+
+  @override
+  String get paymentRequestDescription => '描述';
+
+  @override
+  String get paymentRequestMints => '接受的铸造厂';
+
+  @override
+  String get paymentRequestAnyMint => '任何铸造厂';
+
+  @override
+  String get paymentRequestPay => '支付';
+
+  @override
+  String get paymentRequestPaying => '支付中...';
+
+  @override
+  String get paymentRequestSuccess => '付款发送成功';
+
+  @override
+  String get paymentRequestNoTransport => '此请求未配置交付方式';
+
+  @override
+  String get paymentRequestTransport => '传输方式';
+
+  @override
+  String get paymentRequestMintNotAccepted => '您的活跃铸造厂不在接受的铸造厂列表中';
+
+  @override
+  String paymentRequestUnitMismatch(String unit) {
+    return '单位不兼容：请求需要 $unit';
+  }
+
+  @override
+  String get paymentRequestInsufficientBalance => '余额不足';
+
+  @override
+  String get paymentRequestErrorParsing => '读取付款请求时出错';
 
   @override
   String get p2pkTitle => 'P2PK密钥';
@@ -1131,4 +1175,31 @@ class L10nZh extends L10n {
 
   @override
   String get p2pkErrorCannotDeletePrimary => '无法删除主密钥';
+
+  @override
+  String get request => '请求';
+
+  @override
+  String get requestPayment => '请求付款';
+
+  @override
+  String get requestPaymentDescription => '生成统一付款请求';
+
+  @override
+  String get generateRequest => '生成请求';
+
+  @override
+  String get generatingRequest => '正在生成请求...';
+
+  @override
+  String get requestPaymentReceived => '已收到付款';
+
+  @override
+  String get requestDescriptionHint => '描述（可选）';
+
+  @override
+  String get universal => '通用';
+
+  @override
+  String get copiedToClipboard => '已复制到剪贴板';
 }

lib/l10n/app_pt.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Escaneie um invoice Lightning (lnbc...)",
   "addMintQuestion": "Adicionar este mint?",
   "cameraPermissionDenied": "Permissão de câmera negada",
-  "paymentRequestNotSupported": "Solicitações de pagamento ainda não são suportadas",
+  "paymentRequestTitle": "Solicitação de pagamento",
+  "paymentRequestFrom": "Solicitação de",
+  "paymentRequestAmount": "Valor solicitado",
+  "paymentRequestDescription": "Descrição",
+  "paymentRequestMints": "Mints aceitos",
+  "paymentRequestAnyMint": "Qualquer mint",
+  "paymentRequestPay": "Pagar",
+  "paymentRequestPaying": "Pagando...",
+  "paymentRequestSuccess": "Pagamento enviado com sucesso",
+  "paymentRequestNoTransport": "Esta solicitação não tem método de entrega configurado",
+  "paymentRequestTransport": "Transporte",
+  "paymentRequestMintNotAccepted": "Seu mint ativo não está na lista de mints aceitos",
+  "paymentRequestUnitMismatch": "Unidade incompatível: a solicitação requer {unit}",
+  "paymentRequestInsufficientBalance": "Saldo insuficiente",
+  "paymentRequestErrorParsing": "Erro ao ler a solicitação de pagamento",
+
   "p2pkTitle": "Chaves P2PK",
   "p2pkSettingsDescription": "Receber ecash bloqueado",
   "p2pkExperimental": "P2PK é experimental. Use com cautela.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "nsec inválido",
   "p2pkErrorKeyAlreadyExists": "Esta chave já existe",
   "p2pkErrorKeyNotFound": "Chave não encontrada",
-  "p2pkErrorCannotDeletePrimary": "Não é possível excluir a chave principal"
+  "p2pkErrorCannotDeletePrimary": "Não é possível excluir a chave principal",
+
+  "request": "Solicitar",
+  "requestPayment": "Solicitar pagamento",
+  "requestPaymentDescription": "Gerar solicitação de pagamento unificada",
+  "generateRequest": "Gerar solicitação",
+  "generatingRequest": "Gerando solicitação...",
+  "requestPaymentReceived": "Pagamento recebido",
+  "requestDescriptionHint": "Descrição (opcional)",
+  "universal": "Universal",
+  "copiedToClipboard": "Copiado para a área de transferência"
 }

lib/l10n/app_ru.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Сканируйте Lightning счёт (lnbc...)",
   "addMintQuestion": "Добавить этот mint?",
   "cameraPermissionDenied": "Доступ к камере запрещён",
-  "paymentRequestNotSupported": "Запросы на оплату пока не поддерживаются",
+  "paymentRequestTitle": "Запрос на оплату",
+  "paymentRequestFrom": "Запрос от",
+  "paymentRequestAmount": "Запрошенная сумма",
+  "paymentRequestDescription": "Описание",
+  "paymentRequestMints": "Принимаемые минты",
+  "paymentRequestAnyMint": "Любой минт",
+  "paymentRequestPay": "Оплатить",
+  "paymentRequestPaying": "Оплата...",
+  "paymentRequestSuccess": "Платёж успешно отправлен",
+  "paymentRequestNoTransport": "В этом запросе не настроен метод доставки",
+  "paymentRequestTransport": "Транспорт",
+  "paymentRequestMintNotAccepted": "Ваш активный минт не в списке принимаемых",
+  "paymentRequestUnitMismatch": "Несовместимая единица: запрос требует {unit}",
+  "paymentRequestInsufficientBalance": "Недостаточный баланс",
+  "paymentRequestErrorParsing": "Ошибка чтения запроса на оплату",
+
   "p2pkTitle": "Ключи P2PK",
   "p2pkSettingsDescription": "Получить заблокированный ecash",
   "p2pkExperimental": "P2PK экспериментальный. Используйте с осторожностью.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "Недействительный nsec",
   "p2pkErrorKeyAlreadyExists": "Этот ключ уже существует",
   "p2pkErrorKeyNotFound": "Ключ не найден",
-  "p2pkErrorCannotDeletePrimary": "Невозможно удалить основной ключ"
+  "p2pkErrorCannotDeletePrimary": "Невозможно удалить основной ключ",
+
+  "request": "Запросить",
+  "requestPayment": "Запросить платёж",
+  "requestPaymentDescription": "Создать унифицированный запрос на оплату",
+  "generateRequest": "Создать запрос",
+  "generatingRequest": "Создание запроса...",
+  "requestPaymentReceived": "Платёж получен",
+  "requestDescriptionHint": "Описание (необязательно)",
+  "universal": "Универсальный",
+  "copiedToClipboard": "Скопировано в буфер обмена"
 }

lib/l10n/app_sw.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "Changanua ankara ya Lightning (lnbc...)",
   "addMintQuestion": "Ongeza mint hii?",
   "cameraPermissionDenied": "Ruhusa ya kamera imekataliwa",
-  "paymentRequestNotSupported": "Maombi ya malipo bado hayatumiki",
+  "paymentRequestTitle": "Ombi la malipo",
+  "paymentRequestFrom": "Ombi kutoka",
+  "paymentRequestAmount": "Kiasi kilichoombwa",
+  "paymentRequestDescription": "Maelezo",
+  "paymentRequestMints": "Mint zinazokubaliwa",
+  "paymentRequestAnyMint": "Mint yoyote",
+  "paymentRequestPay": "Lipa",
+  "paymentRequestPaying": "Inalipa...",
+  "paymentRequestSuccess": "Malipo yametumwa kwa mafanikio",
+  "paymentRequestNoTransport": "Ombi hili halina njia ya uwasilishaji iliyosanidiwa",
+  "paymentRequestTransport": "Njia ya usafirishaji",
+  "paymentRequestMintNotAccepted": "Mint yako hai haiko kwenye orodha ya mint zinazokubaliwa",
+  "paymentRequestUnitMismatch": "Kitengo kisichooana: ombi linahitaji {unit}",
+  "paymentRequestInsufficientBalance": "Salio haitoshi",
+  "paymentRequestErrorParsing": "Hitilafu wakati wa kusoma ombi la malipo",
+
   "p2pkTitle": "Funguo za P2PK",
   "p2pkSettingsDescription": "Pokea ecash iliyofungwa",
   "p2pkExperimental": "P2PK ni ya majaribio. Tumia kwa uangalifu.",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "nsec batili",
   "p2pkErrorKeyAlreadyExists": "Ufunguo huu tayari upo",
   "p2pkErrorKeyNotFound": "Ufunguo haujapatikana",
-  "p2pkErrorCannotDeletePrimary": "Haiwezekani kufuta ufunguo mkuu"
+  "p2pkErrorCannotDeletePrimary": "Haiwezekani kufuta ufunguo mkuu",
+
+  "request": "Omba",
+  "requestPayment": "Omba malipo",
+  "requestPaymentDescription": "Tengeneza ombi la malipo la pamoja",
+  "generateRequest": "Tengeneza ombi",
+  "generatingRequest": "Inatengeneza ombi...",
+  "requestPaymentReceived": "Malipo limepokelewa",
+  "requestDescriptionHint": "Maelezo (si lazima)",
+  "universal": "Universal",
+  "copiedToClipboard": "Imenakiliwa kwenye ubao wa kunakili"
 }

lib/l10n/app_zh.arb

@@ -502,7 +502,22 @@
   "scanLightningInvoiceHint": "扫描闪电发票（lnbc...）",
   "addMintQuestion": "添加此铸造厂？",
   "cameraPermissionDenied": "相机权限被拒绝",
-  "paymentRequestNotSupported": "付款请求尚不支持",
+  "paymentRequestTitle": "付款请求",
+  "paymentRequestFrom": "来自",
+  "paymentRequestAmount": "请求金额",
+  "paymentRequestDescription": "描述",
+  "paymentRequestMints": "接受的铸造厂",
+  "paymentRequestAnyMint": "任何铸造厂",
+  "paymentRequestPay": "支付",
+  "paymentRequestPaying": "支付中...",
+  "paymentRequestSuccess": "付款发送成功",
+  "paymentRequestNoTransport": "此请求未配置交付方式",
+  "paymentRequestTransport": "传输方式",
+  "paymentRequestMintNotAccepted": "您的活跃铸造厂不在接受的铸造厂列表中",
+  "paymentRequestUnitMismatch": "单位不兼容：请求需要 {unit}",
+  "paymentRequestInsufficientBalance": "余额不足",
+  "paymentRequestErrorParsing": "读取付款请求时出错",
+
   "p2pkTitle": "P2PK密钥",
   "p2pkSettingsDescription": "接收锁定的ecash",
   "p2pkExperimental": "P2PK是实验性功能。请谨慎使用。",
@@ -534,5 +549,15 @@
   "p2pkErrorInvalidNsec": "无效的nsec",
   "p2pkErrorKeyAlreadyExists": "此密钥已存在",
   "p2pkErrorKeyNotFound": "未找到密钥",
-  "p2pkErrorCannotDeletePrimary": "无法删除主密钥"
+  "p2pkErrorCannotDeletePrimary": "无法删除主密钥",
+
+  "request": "请求",
+  "requestPayment": "请求付款",
+  "requestPaymentDescription": "生成统一付款请求",
+  "generateRequest": "生成请求",
+  "generatingRequest": "正在生成请求...",
+  "requestPaymentReceived": "已收到付款",
+  "requestDescriptionHint": "描述（可选）",
+  "universal": "通用",
+  "copiedToClipboard": "已复制到剪贴板"
 }

lib/providers/wallet_provider.dart

@@ -7,13 +7,16 @@ import '../src/rust/api/wallet.dart';
 import '../src/rust/api/token.dart';
 import '../src/rust/api/mint_info.dart';
 import '../src/rust/api/keys.dart';
+import '../src/rust/api/payment_request.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
+import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:uuid/uuid.dart';
 import '../data/transaction_meta_storage.dart';
 import '../data/pending_token.dart';
 import '../data/pending_token_storage.dart';
 import '../core/utils/keyset_debug.dart';
+import '../core/utils/p2pk_utils.dart';
 import '../widgets/effects/cashu_confetti.dart';
 
 /// Helper class para info de token parseado
@@ -76,6 +79,7 @@ class WalletProvider extends ChangeNotifier {
   static const _activeMintKey = 'wallet_active_mint';
   static const _activeUnitKey = 'wallet_active_unit';
   static const _pendingMintInvoicesKey = 'pending_mint_invoices';
+  static const _pendingNostrRequestKey = 'pending_nostr_request';
 
   /// Mint de Cuba Bitcoin - siempre aparece primero en la lista
   static const cubaBitcoinMint = 'https://mint.cubabitcoin.org';
@@ -1062,6 +1066,27 @@ class WalletProvider extends ChangeNotifier {
     }
   }
 
+  // ============================================================
+  // PAYMENT REQUEST (NUT-18/26)
+  // ============================================================
+
+  /// Paga un Payment Request (NUT-18 creqA / NUT-26 creqB / BIP-321).
+  /// CDK maneja: NUT-10 spending conditions, transporte (Nostr/HTTP POST),
+  /// preparación del token y entrega automática.
+  Future<void> payPaymentRequest(
+    String encodedRequest, {
+    BigInt? customAmount,
+  }) async {
+    final wallet = await getActiveWallet();
+    debugPrint('[PAY_REQUEST] Paying payment request via ${wallet.mintUrl}');
+    await wallet.payPaymentRequest(
+      encoded: encodedRequest,
+      customAmount: customAmount,
+    );
+    debugPrint('[PAY_REQUEST] Payment delivered successfully');
+    notifyListeners();
+  }
+
   // ============================================================
   // MINT (Depositar via Lightning)
   // ============================================================
@@ -1223,6 +1248,130 @@ class WalletProvider extends ChangeNotifier {
     return null;
   }
 
+  // ============================================================
+  // PENDING NOSTR PAYMENT REQUESTS
+  // ============================================================
+
+  /// TTL for pending Nostr requests (24 hours).
+  static const _pendingNostrRequestTtl = Duration(hours: 24);
+  StreamSubscription<NostrPaymentEvent>? _pendingNostrSubscription;
+  bool _pendingNostrResumeAttempted = false;
+  static const _pendingNostrSecretKey = 'pending_nostr_secret';
+  static const _secureStorage = FlutterSecureStorage();
+
+  /// Save a pending Nostr payment request for recovery after app restart.
+  /// Secret key goes to FlutterSecureStorage, metadata to SharedPreferences.
+  Future<void> savePendingNostrRequest(PersistedRequestData data) async {
+    try {
+      // Secret key in encrypted storage
+      await _secureStorage.write(
+        key: _pendingNostrSecretKey,
+        value: data.secretHex,
+      );
+      // Metadata in SharedPreferences (no secrets)
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.setString(_pendingNostrRequestKey, jsonEncode({
+        'pubkeyHex': data.pubkeyHex,
+        'relays': data.relays,
+        'amount': data.amount?.toString(),
+        'unit': data.unit,
+        'mintUrl': data.mintUrl,
+        'createdAt': DateTime.now().toIso8601String(),
+      }));
+    } catch (e) {
+      debugPrint('Error saving pending Nostr request: $e');
+    }
+  }
+
+  /// Remove the pending Nostr payment request (payment received or cancelled).
+  Future<void> removePendingNostrRequest() async {
+    try {
+      await _secureStorage.delete(key: _pendingNostrSecretKey);
+      final prefs = await SharedPreferences.getInstance();
+      await prefs.remove(_pendingNostrRequestKey);
+    } catch (e) {
+      debugPrint('Error removing pending Nostr request: $e');
+    }
+  }
+
+  /// Check for a pending Nostr payment request and resume listening.
+  /// Called automatically during app startup. Guarded against duplicate calls.
+  Future<void> resumePendingNostrRequest() async {
+    if (_pendingNostrResumeAttempted) return;
+    _pendingNostrResumeAttempted = true;
+    await _pendingNostrSubscription?.cancel();
+    _pendingNostrSubscription = null;
+    try {
+      final prefs = await SharedPreferences.getInstance();
+      final jsonStr = prefs.getString(_pendingNostrRequestKey);
+      if (jsonStr == null) return;
+
+      final map = Map<String, dynamic>.from(jsonDecode(jsonStr));
+
+      // Check TTL
+      final createdAt = DateTime.tryParse(map['createdAt'] ?? '');
+      if (createdAt == null ||
+          DateTime.now().difference(createdAt) > _pendingNostrRequestTtl) {
+        await removePendingNostrRequest();
+        debugPrint('Pending Nostr request expired, removed');
+        return;
+      }
+
+      // Read secret from secure storage
+      final secretHex = await _secureStorage.read(key: _pendingNostrSecretKey);
+      if (secretHex == null) {
+        await prefs.remove(_pendingNostrRequestKey);
+        debugPrint('Pending Nostr request has no secret key, removed');
+        return;
+      }
+
+      // Reconstruct handle
+      final data = PersistedRequestData(
+        secretHex: secretHex,
+        pubkeyHex: map['pubkeyHex'] as String,
+        relays: List<String>.from(map['relays']),
+        amount: map['amount'] != null
+            ? BigInt.tryParse(map['amount'] as String)
+            : null,
+        unit: map['unit'] as String,
+        mintUrl: map['mintUrl'] as String,
+      );
+
+      final handle = NostrListenerHandle.fromPersisted(data: data);
+
+      // Get or create the wallet for this mint+unit (lazy instantiation)
+      Wallet wallet;
+      try {
+        wallet = await getWallet(data.mintUrl, data.unit);
+      } catch (e) {
+        debugPrint('No wallet for pending Nostr request: $e');
+        await removePendingNostrRequest();
+        return;
+      }
+
+      // Resume listening in background
+      debugPrint('Resuming pending Nostr payment request...');
+      _pendingNostrSubscription = wallet.waitForNostrPayment(handle: handle).listen(
+        (event) {
+          if (event.state == NostrPaymentState.received) {
+            debugPrint('Pending Nostr payment received: ${event.amount}');
+            removePendingNostrRequest();
+            confettiController.fire();
+            _pendingNostrSubscription?.cancel();
+            _pendingNostrSubscription = null;
+          }
+        },
+        onError: (error) {
+          debugPrint('Pending Nostr listener error (kept for retry): $error');
+          _pendingNostrSubscription = null;
+          _pendingNostrResumeAttempted = false; // Allow retry on next startup
+        },
+      );
+    } catch (e) {
+      debugPrint('Error resuming pending Nostr request: $e');
+    }
+  }
+
   /// Guarda metadata para una transacción de mint (Lightning deposit).
   Future<void> _saveMintMetadata(Wallet wallet, String invoice) async {
     try {
@@ -1417,6 +1566,9 @@ class WalletProvider extends ChangeNotifier {
 
     // Vincular transacciones incoming sin metadata con pending invoices
     await _matchPendingMintInvoices();
+
+    // Resume pending Nostr payment request if app was killed mid-wait
+    await resumePendingNostrRequest();
   }
 
   /// Busca transacciones incoming sin metadata y las vincula con
@@ -1701,7 +1853,8 @@ class WalletProvider extends ChangeNotifier {
   /// Retorna el monto recibido si tiene éxito, o lanza excepción.
   /// Si el token está gastado o es inválido, lo elimina automáticamente.
   /// Verifica conectividad al mint antes de intentar reclamar.
-  Future<BigInt> claimPendingToken(String id) async {
+  /// [p2pkPrivateKey] clave privada para desbloquear tokens P2PK.
+  Future<BigInt> claimPendingToken(String id, {String? p2pkPrivateKey}) async {
     final pending = _pendingTokenStorage.get(id);
     if (pending == null) {
       throw Exception('Token pendiente no encontrado');
@@ -1714,8 +1867,16 @@ class WalletProvider extends ChangeNotifier {
     }
 
     try {
-      // Intentar reclamar usando el método existente
-      final amount = await receiveToken(pending.encoded);
+      BigInt amount;
+
+      if (P2PKUtils.isP2PKLocked(pending.encoded) && p2pkPrivateKey == null) {
+        throw Exception('P2PK token requires a private key to claim');
+      }
+
+      amount = await receiveToken(
+        pending.encoded,
+        p2pkPrivateKey: p2pkPrivateKey,
+      );
 
       // Éxito: eliminar de pending
       await _pendingTokenStorage.remove(id);
@@ -1744,7 +1905,8 @@ class WalletProvider extends ChangeNotifier {
 
   /// Verifica y reclama automáticamente tokens pendientes.
   /// Retorna un mapa con estadísticas: claimed, failed, removed, totalClaimed, unit.
-  Future<Map<String, dynamic>> checkPendingTokens() async {
+  /// [p2pkKeyResolver] función que dado un token encoded retorna la clave privada P2PK (o null).
+  Future<Map<String, dynamic>> checkPendingTokens({String? Function(String encodedToken)? p2pkKeyResolver}) async {
     final tokens = _pendingTokenStorage.listValid();
     if (tokens.isEmpty) {
       return {'claimed': 0, 'failed': 0, 'removed': 0, 'totalClaimed': BigInt.zero, 'unit': _activeUnit};
@@ -1758,7 +1920,8 @@ class WalletProvider extends ChangeNotifier {
 
     for (final token in tokens) {
       try {
-        final amount = await claimPendingToken(token.id);
+        final p2pkKey = p2pkKeyResolver?.call(token.encoded);
+        final amount = await claimPendingToken(token.id, p2pkPrivateKey: p2pkKey);
         claimed++;
         totalClaimed += amount;
         claimedUnit ??= token.unit; // Usar la unidad del primer token reclamado

lib/screens/10_scanner/scan_screen.dart

@@ -8,6 +8,7 @@ import '../../widgets/scanner/qr_scanner_widget.dart';
 import '../../providers/wallet_provider.dart';
 import '../4_receive/receive_screen.dart';
 import '../7_melt/melt_screen.dart';
+import '../11_payment_request/payment_request_screen.dart';
 
 /// Pantalla de escaneo QR con soporte para diferentes modos
 class ScanScreen extends StatefulWidget {
@@ -195,8 +196,17 @@ class _ScanScreenState extends State<ScanScreen> {
         break;
 
       case IncomingDataType.paymentRequest:
-        // TODO: Implementar manejo de payment requests (post-MVP)
-        _showError(l10n.paymentRequestNotSupported);
+        if (mounted) {
+          Navigator.pop(context);
+          Navigator.push(
+            context,
+            MaterialPageRoute(
+              builder: (context) => PaymentRequestScreen(
+                encodedRequest: data.raw,
+              ),
+            ),
+          );
+        }
         break;
 
       case IncomingDataType.unknown:
@@ -221,8 +231,10 @@ class _ScanScreenState extends State<ScanScreen> {
   }
 
   void _handleInvoiceOnlyMode(ParsedData data) {
-    if (data.type == IncomingDataType.lightningInvoice) {
-      // Retornar el invoice vía callback
+    if (data.type == IncomingDataType.lightningInvoice ||
+        (data.type == IncomingDataType.paymentRequest &&
+            data.invoiceBolt11 != null)) {
+      // Return the invoice — works for pure BOLT11 and BIP-321 URIs with lightning=
       Navigator.pop(context, data.invoiceBolt11 ?? data.raw);
       widget.onDataScanned?.call(data.invoiceBolt11 ?? data.raw);
     } else {

lib/screens/11_payment_request/payment_request_screen.dart

@@ -0,0 +1,338 @@
+import 'package:flutter/material.dart';
+import 'package:provider/provider.dart';
+import 'package:lucide_icons/lucide_icons.dart';
+import 'package:elcaju/l10n/app_localizations.dart';
+import '../../core/constants/colors.dart';
+import '../../core/constants/dimensions.dart';
+import '../../core/utils/formatters.dart';
+import '../../src/rust/api/payment_request.dart';
+import '../../widgets/common/gradient_background.dart';
+import '../../widgets/common/glass_card.dart';
+import '../../widgets/common/primary_button.dart';
+import '../../providers/wallet_provider.dart';
+
+/// Pantalla de confirmación para pagar un Payment Request (NUT-18/26)
+class PaymentRequestScreen extends StatefulWidget {
+  /// Raw encoded payment request (creqA, CREQB1, or bitcoin:?creq=)
+  final String encodedRequest;
+
+  const PaymentRequestScreen({super.key, required this.encodedRequest});
+
+  @override
+  State<PaymentRequestScreen> createState() => _PaymentRequestScreenState();
+}
+
+class _PaymentRequestScreenState extends State<PaymentRequestScreen> {
+  PaymentRequestInfo? _info;
+  String? _parseError;
+  bool _isPaying = false;
+  String? _payError;
+
+  @override
+  void initState() {
+    super.initState();
+    _parseRequest();
+  }
+
+  void _parseRequest() {
+    try {
+      final info = PaymentRequestInfo.parse(encoded: widget.encodedRequest);
+      setState(() => _info = info);
+    } catch (e) {
+      setState(() => _parseError = e.toString());
+    }
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final l10n = L10n.of(context)!;
+
+    return GradientBackground(
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        appBar: AppBar(
+          backgroundColor: Colors.transparent,
+          elevation: 0,
+          title: Text(
+            l10n.paymentRequestTitle,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontWeight: FontWeight.w600,
+            ),
+          ),
+          leading: IconButton(
+            icon: const Icon(LucideIcons.arrowLeft),
+            onPressed: () => Navigator.pop(context),
+          ),
+        ),
+        body: _parseError != null
+            ? _buildError(l10n)
+            : _info == null
+                ? const Center(child: CircularProgressIndicator())
+                : _buildContent(l10n),
+      ),
+    );
+  }
+
+  Widget _buildError(L10n l10n) {
+    return Center(
+      child: Padding(
+        padding: const EdgeInsets.all(AppDimensions.paddingLarge),
+        child: GlassCard(
+          child: Column(
+            mainAxisSize: MainAxisSize.min,
+            children: [
+              const Icon(LucideIcons.alertCircle, color: Colors.redAccent, size: 48),
+              const SizedBox(height: 16),
+              Text(
+                l10n.paymentRequestErrorParsing,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 16,
+                  fontWeight: FontWeight.w600,
+                  color: Colors.white,
+                ),
+                textAlign: TextAlign.center,
+              ),
+              const SizedBox(height: 8),
+              Text(
+                _parseError!,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 13,
+                  color: Colors.white.withValues(alpha: 0.6),
+                ),
+                textAlign: TextAlign.center,
+              ),
+            ],
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildContent(L10n l10n) {
+    final info = _info!;
+    final walletProvider = context.watch<WalletProvider>();
+    final activeUnit = walletProvider.activeUnit;
+    final requestUnit = info.unit ?? 'sat';
+
+    // Validaciones
+    final unitMismatch = info.unit != null && info.unit != activeUnit;
+    String stripSlash(String url) =>
+        url.endsWith('/') ? url.substring(0, url.length - 1) : url;
+    final normalizedMints = info.mints.map(stripSlash).toSet();
+    final activeMint = walletProvider.activeMintUrl;
+    final mintNotAccepted = normalizedMints.isNotEmpty &&
+        (activeMint == null || !normalizedMints.contains(stripSlash(activeMint)));
+    final hasTransport = info.transports.isNotEmpty;
+
+    return SingleChildScrollView(
+      padding: const EdgeInsets.all(AppDimensions.paddingLarge),
+      child: Column(
+        crossAxisAlignment: CrossAxisAlignment.stretch,
+        children: [
+          // Monto
+          if (info.amount != null)
+            _buildAmountCard(info.amount!, requestUnit, l10n),
+
+          const SizedBox(height: 16),
+
+          // Detalles
+          GlassCard(
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.start,
+              children: [
+                // Descripción
+                if (info.description != null && info.description!.isNotEmpty) ...[
+                  _buildDetailRow(
+                    LucideIcons.fileText,
+                    l10n.paymentRequestDescription,
+                    info.description!,
+                  ),
+                  const SizedBox(height: 12),
+                ],
+
+                // Mints aceptados
+                _buildDetailRow(
+                  LucideIcons.server,
+                  l10n.paymentRequestMints,
+                  info.mints.isEmpty
+                      ? l10n.paymentRequestAnyMint
+                      : info.mints.map((m) => Uri.parse(m).host).join(', '),
+                ),
+
+                // Transporte (solo mostrar si hay transporte configurado)
+                if (info.transports.isNotEmpty) ...[
+                  const SizedBox(height: 12),
+                  _buildDetailRow(
+                    LucideIcons.send,
+                    l10n.paymentRequestTransport,
+                    info.transports
+                        .map((t) => t.transportType == 'nostr' ? 'Nostr (NIP-17)' : 'HTTP POST')
+                        .join(', '),
+                  ),
+                ],
+              ],
+            ),
+          ),
+
+          const SizedBox(height: 16),
+
+          // Warnings
+          if (unitMismatch)
+            _buildWarning(
+              LucideIcons.alertTriangle,
+              l10n.paymentRequestUnitMismatch(requestUnit),
+            ),
+          if (mintNotAccepted)
+            _buildWarning(
+              LucideIcons.alertTriangle,
+              l10n.paymentRequestMintNotAccepted,
+            ),
+          if (!hasTransport)
+            _buildWarning(
+              LucideIcons.info,
+              l10n.paymentRequestNoTransport,
+            ),
+
+          if (_payError != null) ...[
+            const SizedBox(height: 12),
+            _buildWarning(LucideIcons.alertCircle, _payError!),
+          ],
+
+          const SizedBox(height: 32),
+
+          // Botón pagar
+          PrimaryButton(
+            text: _isPaying ? l10n.paymentRequestPaying : l10n.paymentRequestPay,
+            icon: LucideIcons.zap,
+            isLoading: _isPaying,
+            onPressed: (!hasTransport || _isPaying)
+                ? null
+                : _pay,
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildAmountCard(BigInt amount, String unit, L10n l10n) {
+    return GlassCard(
+      child: Column(
+        children: [
+          Text(
+            l10n.paymentRequestAmount,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 14,
+              color: Colors.white.withValues(alpha: 0.7),
+            ),
+          ),
+          const SizedBox(height: 8),
+          Text(
+            UnitFormatter.formatBalanceWithUnit(amount, unit),
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 36,
+              fontWeight: FontWeight.w700,
+              color: Colors.white,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildDetailRow(IconData icon, String label, String value) {
+    return Row(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Icon(icon, size: 18, color: AppColors.primaryAction),
+        const SizedBox(width: 10),
+        Expanded(
+          child: Column(
+            crossAxisAlignment: CrossAxisAlignment.start,
+            children: [
+              Text(
+                label,
+                style: TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 12,
+                  fontWeight: FontWeight.w500,
+                  color: Colors.white.withValues(alpha: 0.6),
+                ),
+              ),
+              const SizedBox(height: 2),
+              Text(
+                value,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 14,
+                  color: Colors.white,
+                ),
+              ),
+            ],
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildWarning(IconData icon, String text) {
+    return Padding(
+      padding: const EdgeInsets.only(bottom: 8),
+      child: GlassCard(
+        child: Row(
+          children: [
+            Icon(icon, size: 20, color: Colors.amber),
+            const SizedBox(width: 10),
+            Expanded(
+              child: Text(
+                text,
+                style: const TextStyle(
+                  fontFamily: 'Inter',
+                  fontSize: 13,
+                  color: Colors.amber,
+                ),
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _pay() async {
+    setState(() {
+      _isPaying = true;
+      _payError = null;
+    });
+
+    try {
+      final walletProvider = context.read<WalletProvider>();
+      await walletProvider.payPaymentRequest(
+        widget.encodedRequest,
+        customAmount: _info!.amount,
+      );
+
+      if (!mounted) return;
+
+      // Éxito — mostrar snackbar y volver
+      final l10n = L10n.of(context)!;
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(l10n.paymentRequestSuccess),
+          backgroundColor: Colors.green.shade700,
+        ),
+      );
+      Navigator.pop(context, true);
+    } catch (e) {
+      if (!mounted) return;
+      setState(() {
+        _isPaying = false;
+        _payError = e.toString();
+      });
+    }
+  }
+}

lib/screens/12_request/request_screen.dart

@@ -0,0 +1,895 @@
+import 'dart:async';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:provider/provider.dart';
+import 'package:qr_flutter/qr_flutter.dart';
+import 'package:lucide_icons/lucide_icons.dart';
+import 'package:share_plus/share_plus.dart';
+import '../../src/rust/api/wallet.dart';
+import '../../src/rust/api/payment_request.dart';
+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/bip321_builder.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';
+import '../../widgets/common/numpad_widget.dart';
+import '../../providers/wallet_provider.dart';
+
+enum RequestStatus { input, generating, waiting, received, error }
+enum QrMode { universal, cashu, lightning }
+
+/// Pantalla para solicitar pagos via Payment Request unificado.
+/// Genera creqB (Cashu/Nostr) + Lightning invoice en paralelo.
+class RequestScreen extends StatefulWidget {
+  const RequestScreen({super.key});
+
+  @override
+  State<RequestScreen> createState() => _RequestScreenState();
+}
+
+class _RequestScreenState extends State<RequestScreen> {
+  final TextEditingController _descriptionController = TextEditingController();
+
+  // Input state
+  String _amountValue = '';
+  late String _activeUnit;
+
+  // Request state
+  RequestStatus _status = RequestStatus.input;
+  String? _errorMessage;
+
+  // Payment data
+  String? _creqB;
+  String? _bolt11;
+  QrMode _activeMode = QrMode.cashu;
+  bool _paymentHandled = false;
+
+  // Listeners
+  StreamSubscription<NostrPaymentEvent>? _nostrSubscription;
+  StreamSubscription<MintQuote>? _mintSubscription;
+
+  // NFC
+  NfcState _nfcState = NfcState.unsupported;
+  bool _nfcEmulating = false;
+
+  // Success
+  BigInt _receivedAmount = BigInt.zero;
+
+  late final WalletProvider _walletProvider;
+
+  @override
+  void initState() {
+    super.initState();
+    _walletProvider = context.read<WalletProvider>();
+    _activeUnit = _walletProvider.activeUnit;
+    _checkNfc();
+  }
+
+  @override
+  void dispose() {
+    _descriptionController.dispose();
+    _nostrSubscription?.cancel();
+    _mintSubscription?.cancel();
+    if (_nfcEmulating) NfcService.stopEmulating();
+    // Clear persisted request if user abandoned without receiving payment
+    if (!_paymentHandled && _creqB != null) {
+      _walletProvider.removePendingNostrRequest();
+    }
+    super.dispose();
+  }
+
+  Future<void> _checkNfc() async {
+    final state = await NfcService.checkState();
+    if (mounted) setState(() => _nfcState = state);
+  }
+
+  String get _unitLabel => UnitFormatter.getUnitLabel(_activeUnit);
+  BigInt get _amount => UnitFormatter.parseRawDigits(_amountValue, _activeUnit);
+  bool get _isValidAmount => _amount > BigInt.zero;
+
+  // ─── Build ───
+
+  @override
+  Widget build(BuildContext context) {
+    return GradientBackground(
+      child: Scaffold(
+        backgroundColor: Colors.transparent,
+        appBar: AppBar(
+          backgroundColor: Colors.transparent,
+          elevation: 0,
+          leading: IconButton(
+            icon: const Icon(LucideIcons.arrowLeft, color: Colors.white),
+            onPressed: () => Navigator.pop(context),
+          ),
+          title: Text(
+            L10n.of(context)!.requestPayment,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontWeight: FontWeight.w600,
+              color: Colors.white,
+            ),
+          ),
+          actions: [
+            if (_status == RequestStatus.waiting)
+              IconButton(
+                icon: const Icon(LucideIcons.share2, color: Colors.white),
+                onPressed: _shareRequest,
+              ),
+          ],
+        ),
+        body: SafeArea(child: _buildBody()),
+      ),
+    );
+  }
+
+  Widget _buildBody() {
+    switch (_status) {
+      case RequestStatus.input:
+        return _buildInputView();
+      case RequestStatus.generating:
+        return _buildGeneratingView();
+      case RequestStatus.waiting:
+        return _buildWaitingView();
+      case RequestStatus.received:
+        return _buildSuccessView();
+      case RequestStatus.error:
+        return _buildErrorView();
+    }
+  }
+
+  // ─── Input View ───
+
+  Widget _buildInputView() {
+    return Column(
+      children: [
+        Expanded(
+          child: SingleChildScrollView(
+            padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+            child: Column(
+              crossAxisAlignment: CrossAxisAlignment.stretch,
+              children: [
+                _buildAmountSection(),
+                const SizedBox(height: AppDimensions.paddingLarge),
+                _buildDescriptionSection(),
+                const SizedBox(height: AppDimensions.paddingMedium),
+                if (_errorMessage != null) _buildErrorMessage(),
+              ],
+            ),
+          ),
+        ),
+        Padding(
+          padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+          child: PrimaryButton(
+            text: L10n.of(context)!.generateRequest,
+            onPressed: _isValidAmount ? _generateRequest : null,
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildAmountSection() {
+    final displayAmount =
+        UnitFormatter.formatRawDigitsForDisplay(_amountValue, _activeUnit);
+    return Column(
+      children: [
+        Text(
+          displayAmount,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 48,
+            fontWeight: FontWeight.bold,
+            color: _isValidAmount || _amountValue.isEmpty
+                ? Colors.white
+                : AppColors.error,
+          ),
+        ),
+        const SizedBox(height: 4),
+        Text(
+          _unitLabel,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 18,
+            color: AppColors.textSecondary,
+          ),
+        ),
+        const SizedBox(height: AppDimensions.paddingMedium),
+        NumpadWidget(
+          value: _amountValue,
+          onChanged: (v) => setState(() {
+            _errorMessage = null;
+            _amountValue = v;
+          }),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildDescriptionSection() {
+    final l10n = L10n.of(context)!;
+    return Column(
+      crossAxisAlignment: CrossAxisAlignment.start,
+      children: [
+        Text(
+          l10n.descriptionOptional,
+          style: TextStyle(
+            fontFamily: 'Inter',
+            fontSize: 16,
+            fontWeight: FontWeight.w500,
+            color: AppColors.textSecondary,
+          ),
+        ),
+        const SizedBox(height: AppDimensions.paddingSmall),
+        GlassCard(
+          padding: const EdgeInsets.all(AppDimensions.paddingSmall),
+          child: TextField(
+            controller: _descriptionController,
+            maxLines: 2,
+            maxLength: 100,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              color: Colors.white,
+            ),
+            decoration: InputDecoration(
+              hintText: l10n.requestDescriptionHint,
+              hintStyle: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 16,
+                color: Colors.white.withValues(alpha: 0.3),
+              ),
+              border: InputBorder.none,
+              counterStyle: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 12,
+                color: AppColors.textSecondary.withValues(alpha: 0.5),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildErrorMessage() {
+    return Container(
+      margin: const EdgeInsets.only(bottom: AppDimensions.paddingMedium),
+      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+      decoration: BoxDecoration(
+        color: AppColors.error.withValues(alpha: 0.15),
+        borderRadius: BorderRadius.circular(12),
+        border: Border.all(
+          color: AppColors.error.withValues(alpha: 0.3),
+          width: 1,
+        ),
+      ),
+      child: Row(
+        children: [
+          Icon(LucideIcons.alertCircle, color: AppColors.error, size: 20),
+          const SizedBox(width: 8),
+          Expanded(
+            child: Text(
+              _errorMessage!,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                color: AppColors.error,
+              ),
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Generating View ───
+
+  Widget _buildGeneratingView() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          const CircularProgressIndicator(color: AppColors.primaryAction),
+          const SizedBox(height: AppDimensions.paddingMedium),
+          Text(
+            L10n.of(context)!.generatingRequest,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              color: AppColors.textSecondary,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Waiting View (QR + sub-toggle + actions) ───
+
+  Widget _buildWaitingView() {
+    final l10n = L10n.of(context)!;
+    final formattedAmount = UnitFormatter.formatBalance(_amount, _activeUnit);
+
+    return Column(
+      children: [
+        Expanded(
+          child: SingleChildScrollView(
+            padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+            child: Column(
+              children: [
+                // Amount header
+                Text(
+                  '$formattedAmount $_unitLabel',
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 28,
+                    fontWeight: FontWeight.bold,
+                    color: Colors.white,
+                  ),
+                ),
+                const SizedBox(height: AppDimensions.paddingLarge),
+
+                // QR Code with logo overlay
+                Center(
+                  child: Container(
+                    padding: const EdgeInsets.all(16),
+                    decoration: BoxDecoration(
+                      color: Colors.white,
+                      borderRadius: BorderRadius.circular(16),
+                    ),
+                    child: Stack(
+                      alignment: Alignment.center,
+                      children: [
+                        QrImageView(
+                          data: _getActiveQrContent(),
+                          version: QrVersions.auto,
+                          size: 260,
+                          backgroundColor: Colors.white,
+                          errorCorrectionLevel: _activeMode == QrMode.universal
+                              ? QrErrorCorrectLevel.M
+                              : QrErrorCorrectLevel.H,
+                        ),
+                        if (_activeMode == QrMode.cashu)
+                          Container(
+                            width: 48,
+                            height: 48,
+                            decoration: BoxDecoration(
+                              color: Colors.white,
+                              borderRadius: BorderRadius.circular(10),
+                              border: Border.all(color: Colors.white, width: 4),
+                            ),
+                            child: ClipRRect(
+                              borderRadius: BorderRadius.circular(6),
+                              child: Image.asset(
+                                'assets/img/cashu.png',
+                                fit: BoxFit.contain,
+                              ),
+                            ),
+                          ),
+                        if (_activeMode == QrMode.lightning)
+                          Container(
+                            width: 48,
+                            height: 48,
+                            decoration: BoxDecoration(
+                              color: AppColors.bitcoinOrange,
+                              borderRadius: BorderRadius.circular(10),
+                              border: Border.all(color: Colors.white, width: 4),
+                            ),
+                            child: const Icon(
+                              LucideIcons.zap,
+                              color: Colors.white,
+                              size: 28,
+                            ),
+                          ),
+                      ],
+                    ),
+                  ),
+                ),
+                const SizedBox(height: AppDimensions.paddingMedium),
+
+                // Sub-toggle: Universal / Cashu / Lightning
+                _buildModeToggle(),
+                const SizedBox(height: AppDimensions.paddingMedium),
+
+                // Action buttons: Copy, NFC, Share
+                _buildActionButtons(),
+                const SizedBox(height: AppDimensions.paddingMedium),
+
+                // Status indicator
+                _buildStatusIndicator(),
+              ],
+            ),
+          ),
+        ),
+
+        // Cancel button
+        Padding(
+          padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+          child: GestureDetector(
+            onTap: () => Navigator.pop(context),
+            child: Container(
+              width: double.infinity,
+              padding: const EdgeInsets.symmetric(vertical: 16),
+              decoration: BoxDecoration(
+                color: Colors.white.withValues(alpha: 0.1),
+                borderRadius: BorderRadius.circular(16),
+              ),
+              child: Center(
+                child: Text(
+                  l10n.cancel,
+                  style: const TextStyle(
+                    fontFamily: 'Inter',
+                    fontSize: 16,
+                    fontWeight: FontWeight.w600,
+                    color: Colors.white,
+                  ),
+                ),
+              ),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+
+  Widget _buildModeToggle() {
+    return Container(
+      padding: const EdgeInsets.all(4),
+      decoration: BoxDecoration(
+        color: Colors.white.withValues(alpha: 0.1),
+        borderRadius: BorderRadius.circular(12),
+      ),
+      child: Row(
+        children: [
+          _buildToggleButton(
+            label: L10n.of(context)!.universal,
+            mode: QrMode.universal,
+            enabled: _bolt11 != null,
+          ),
+          _buildToggleButton(
+            label: 'Cashu',
+            mode: QrMode.cashu,
+            enabled: true,
+          ),
+          _buildToggleButton(
+            label: 'Lightning',
+            mode: QrMode.lightning,
+            enabled: _bolt11 != null,
+          ),
+        ],
+      ),
+    );
+  }
+
+  Widget _buildToggleButton({
+    required String label,
+    required QrMode mode,
+    required bool enabled,
+  }) {
+    final isActive = _activeMode == mode;
+    return Expanded(
+      child: GestureDetector(
+        onTap: enabled
+            ? () {
+                setState(() => _activeMode = mode);
+                _updateNfcPayload();
+              }
+            : null,
+        child: Container(
+          padding: const EdgeInsets.symmetric(vertical: 10),
+          decoration: BoxDecoration(
+            gradient: isActive
+                ? const LinearGradient(colors: AppColors.buttonGradient)
+                : null,
+            borderRadius: BorderRadius.circular(10),
+          ),
+          child: Center(
+            child: Text(
+              label,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 13,
+                fontWeight: isActive ? FontWeight.w600 : FontWeight.w400,
+                color: enabled
+                    ? (isActive ? Colors.white : AppColors.textSecondary)
+                    : Colors.white.withValues(alpha: 0.3),
+              ),
+            ),
+          ),
+        ),
+      ),
+    );
+  }
+
+  Widget _buildActionButtons() {
+    return Row(
+      mainAxisAlignment: MainAxisAlignment.center,
+      children: [
+        _buildActionButton(
+          icon: LucideIcons.copy,
+          label: L10n.of(context)!.copy,
+          onTap: _copyRequest,
+        ),
+        if (_nfcState == NfcState.enabled) ...[
+          const SizedBox(width: 16),
+          _buildActionButton(
+            icon: _nfcEmulating ? LucideIcons.wifiOff : LucideIcons.wifi,
+            label: 'NFC',
+            onTap: _toggleNfc,
+            active: _nfcEmulating,
+          ),
+        ],
+        const SizedBox(width: 16),
+        _buildActionButton(
+          icon: LucideIcons.share2,
+          label: L10n.of(context)!.share,
+          onTap: _shareRequest,
+        ),
+      ],
+    );
+  }
+
+  Widget _buildActionButton({
+    required IconData icon,
+    required String label,
+    required VoidCallback onTap,
+    bool active = false,
+  }) {
+    return GestureDetector(
+      onTap: onTap,
+      child: Container(
+        padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 10),
+        decoration: BoxDecoration(
+          color: active
+              ? AppColors.primaryAction.withValues(alpha: 0.2)
+              : Colors.white.withValues(alpha: 0.1),
+          borderRadius: BorderRadius.circular(12),
+          border: active
+              ? Border.all(color: AppColors.primaryAction.withValues(alpha: 0.5))
+              : null,
+        ),
+        child: Row(
+          children: [
+            Icon(icon, color: active ? AppColors.primaryAction : AppColors.textSecondary, size: 18),
+            const SizedBox(width: 6),
+            Text(
+              label,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                color: active ? AppColors.primaryAction : AppColors.textSecondary,
+              ),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Widget _buildStatusIndicator() {
+    return GlassCard(
+      padding: const EdgeInsets.all(AppDimensions.paddingMedium),
+      child: Row(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          SizedBox(
+            width: 20,
+            height: 20,
+            child: CircularProgressIndicator(
+              strokeWidth: 2,
+              valueColor: AlwaysStoppedAnimation<Color>(AppColors.textSecondary),
+            ),
+          ),
+          const SizedBox(width: 12),
+          Text(
+            L10n.of(context)!.waitingForPayment,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              fontWeight: FontWeight.w600,
+              color: AppColors.textSecondary,
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Success View ───
+
+  Widget _buildSuccessView() {
+    final l10n = L10n.of(context)!;
+    final formattedAmount =
+        '+${UnitFormatter.formatBalance(_receivedAmount, _activeUnit)}';
+    final unitLabel = UnitFormatter.getUnitLabel(_activeUnit);
+
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Container(
+            width: 80,
+            height: 80,
+            decoration: BoxDecoration(
+              color: AppColors.success.withValues(alpha: 0.2),
+              shape: BoxShape.circle,
+            ),
+            child: const Icon(
+              LucideIcons.checkCircle2,
+              color: AppColors.success,
+              size: 40,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingMedium),
+          Text(
+            '$formattedAmount $unitLabel',
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 32,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingSmall),
+          Text(
+            l10n.requestPaymentReceived,
+            style: TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 16,
+              color: AppColors.textSecondary,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingLarge * 2),
+          PrimaryButton(
+            text: l10n.backToHome,
+            onPressed: () =>
+                Navigator.popUntil(context, (route) => route.isFirst),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Error View ───
+
+  Widget _buildErrorView() {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          Container(
+            width: 80,
+            height: 80,
+            decoration: BoxDecoration(
+              color: AppColors.error.withValues(alpha: 0.2),
+              shape: BoxShape.circle,
+            ),
+            child: const Icon(
+              LucideIcons.alertCircle,
+              color: AppColors.error,
+              size: 40,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingMedium),
+          Text(
+            L10n.of(context)!.error,
+            style: const TextStyle(
+              fontFamily: 'Inter',
+              fontSize: 20,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingSmall),
+          Padding(
+            padding: const EdgeInsets.symmetric(horizontal: 32),
+            child: Text(
+              _errorMessage ?? L10n.of(context)!.unknownError,
+              style: TextStyle(
+                fontFamily: 'Inter',
+                fontSize: 14,
+                color: AppColors.textSecondary.withValues(alpha: 0.7),
+              ),
+              textAlign: TextAlign.center,
+            ),
+          ),
+          const SizedBox(height: AppDimensions.paddingLarge),
+          PrimaryButton(
+            text: L10n.of(context)!.back,
+            onPressed: () => setState(() {
+              _status = RequestStatus.input;
+              _errorMessage = null;
+            }),
+          ),
+        ],
+      ),
+    );
+  }
+
+  // ─── Logic ───
+
+  static const List<String> _defaultNostrRelays = [
+    'wss://relay.damus.io',
+    'wss://relay.primal.net',
+    'wss://nos.lol',
+  ];
+
+  Future<void> _generateRequest() async {
+    final walletProvider = context.read<WalletProvider>();
+    final wallet = walletProvider.activeWallet;
+
+    // Clean up previous request state — await to ensure Rust locks are released
+    await _nostrSubscription?.cancel();
+    _nostrSubscription = null;
+    await _mintSubscription?.cancel();
+    _mintSubscription = null;
+    if (_nfcEmulating) {
+      NfcService.stopEmulating();
+      _nfcEmulating = false;
+    }
+    _paymentHandled = false;
+    _creqB = null;
+    _bolt11 = null;
+    _activeMode = QrMode.cashu;
+
+    setState(() => _status = RequestStatus.generating);
+
+    if (wallet == null) {
+      setState(() {
+        _status = RequestStatus.error;
+        _errorMessage = 'No active wallet';
+      });
+      return;
+    }
+
+    try {
+      final description = _descriptionController.text.isNotEmpty
+          ? _descriptionController.text
+          : null;
+
+      // 1. Create payment request (creqB + Nostr keys)
+      final request = await wallet.createPaymentRequest(
+        params: CreateRequestParams(
+          amount: _amount,
+          unit: _activeUnit,
+          description: description,
+          nostrRelays: _defaultNostrRelays,
+        ),
+      );
+
+      _creqB = request.creqB;
+
+      // Persist handle for recovery if app is killed
+      await walletProvider.savePendingNostrRequest(
+        request.listenerHandle.toPersisted(),
+      );
+
+      // 2. Start Nostr listener
+      _nostrSubscription = wallet
+          .waitForNostrPayment(handle: request.listenerHandle)
+          .listen(_onNostrEvent);
+
+      // 3. Start Lightning invoice generation directly via CDK
+      _mintSubscription = wallet
+          .mint(amount: _amount, description: description)
+          .listen(_onMintEvent);
+
+      setState(() => _status = RequestStatus.waiting);
+    } catch (e) {
+      setState(() {
+        _status = RequestStatus.error;
+        _errorMessage = e.toString();
+      });
+    }
+  }
+
+  void _onNostrEvent(NostrPaymentEvent event) {
+    if (!mounted || _paymentHandled) return;
+    if (event.state == NostrPaymentState.received) {
+      _paymentHandled = true;
+      _mintSubscription?.cancel();
+      _onPaymentSuccess(event.amount ?? _amount);
+    }
+  }
+
+  void _onMintEvent(MintQuote quote) {
+    if (!mounted) return;
+    switch (quote.state) {
+      case MintQuoteState.unpaid:
+        if (_bolt11 == null) {
+          setState(() {
+            _bolt11 = quote.request;
+            _activeMode = QrMode.universal;
+          });
+          _updateNfcPayload();
+        }
+        break;
+      case MintQuoteState.issued:
+        if (!_paymentHandled) {
+          _paymentHandled = true;
+          _nostrSubscription?.cancel();
+          _onPaymentSuccess(quote.amount ?? _amount);
+        }
+        break;
+      case MintQuoteState.error:
+        // Lightning failed, but Nostr listener continues
+        break;
+      default:
+        break;
+    }
+  }
+
+  Future<void> _onPaymentSuccess(BigInt amount) async {
+    if (_nfcEmulating) NfcService.stopEmulating();
+    setState(() {
+      _status = RequestStatus.received;
+      _receivedAmount = amount;
+    });
+    final walletProvider = context.read<WalletProvider>();
+    walletProvider.confettiController.fire();
+    await walletProvider.removePendingNostrRequest();
+  }
+
+  // ─── QR Content ───
+
+  String _getActiveQrContent() {
+    switch (_activeMode) {
+      case QrMode.universal:
+        return buildUnifiedUri(creqB: _creqB!, bolt11: _bolt11);
+      case QrMode.cashu:
+        return _creqB!.toUpperCase();
+      case QrMode.lightning:
+        return _bolt11?.toUpperCase() ?? '';
+    }
+  }
+
+  // ─── Actions ───
+
+  Future<void> _copyRequest() async {
+    final content = _getActiveQrContent();
+    await Clipboard.setData(ClipboardData(text: content));
+    if (mounted) {
+      ScaffoldMessenger.of(context).showSnackBar(
+        SnackBar(
+          content: Text(L10n.of(context)!.copiedToClipboard),
+          backgroundColor: AppColors.success,
+          duration: const Duration(seconds: 2),
+        ),
+      );
+    }
+  }
+
+  void _toggleNfc() {
+    if (_nfcEmulating) {
+      NfcService.stopEmulating();
+      setState(() => _nfcEmulating = false);
+    } else {
+      NfcService.startEmulating(_getActiveQrContent());
+      setState(() => _nfcEmulating = true);
+    }
+  }
+
+  void _updateNfcPayload() {
+    if (_nfcEmulating) {
+      NfcService.startEmulating(_getActiveQrContent());
+    }
+  }
+
+  void _shareRequest() async {
+    final content = _getActiveQrContent();
+    final formattedAmount =
+        UnitFormatter.formatBalance(_amount, _activeUnit);
+    final unitLabel = UnitFormatter.getUnitLabel(_activeUnit);
+
+    await SharePlus.instance.share(
+      ShareParams(
+        text: '$formattedAmount $unitLabel\n\n$content',
+        subject: 'Payment Request - $formattedAmount $unitLabel',
+      ),
+    );
+  }
+}

lib/screens/3_home/home_screen.dart

@@ -11,9 +11,10 @@ import '../../widgets/common/glass_card.dart';
 import '../../widgets/common/animated_action_button.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/settings_provider.dart';
+import '../../providers/p2pk_provider.dart';
 import '../4_receive/receive_screen.dart';
 import '../5_send/send_screen.dart';
-import '../6_mint/mint_screen.dart';
+import '../12_request/request_screen.dart';
 import '../7_melt/melt_screen.dart';
 import '../8_settings/settings_screen.dart';
 import '../8_settings/mints_screen.dart';
@@ -51,7 +52,10 @@ class _HomeScreenState extends State<HomeScreen> {
     if (!walletProvider.hasPendingTokens) return;
 
     try {
-      final result = await walletProvider.checkPendingTokens();
+      final p2pkProvider = context.read<P2PKProvider>();
+      final result = await walletProvider.checkPendingTokens(
+        p2pkKeyResolver: p2pkProvider.getPrivateKeyForToken,
+      );
       final claimed = (result['claimed'] as int?) ?? 0;
       final totalClaimed = result['totalClaimed'] as BigInt? ?? BigInt.zero;
       final unit = (result['unit'] as String?) ?? walletProvider.activeUnit;
@@ -433,14 +437,14 @@ class _HomeScreenState extends State<HomeScreen> {
             },
           ),
           _MethodOption(
-            icon: LucideIcons.zap,
-            label: l10n.lightning,
-            description: l10n.generateInvoiceToDeposit,
+            icon: LucideIcons.bellRing,
+            label: l10n.request,
+            description: l10n.requestPaymentDescription,
             onTap: () {
               Navigator.pop(context);
               Navigator.push(
                 context,
-                MaterialPageRoute(builder: (context) => const MintScreen()),
+                MaterialPageRoute(builder: (context) => const RequestScreen()),
               );
             },
           ),

lib/screens/4_receive/receive_screen.dart

@@ -16,6 +16,7 @@ import '../../widgets/common/primary_button.dart';
 import '../../providers/wallet_provider.dart';
 import '../../providers/p2pk_provider.dart';
 import '../10_scanner/scan_screen.dart';
+import '../11_payment_request/payment_request_screen.dart';
 
 /// Pantalla para recibir tokens Cashu
 class ReceiveScreen extends StatefulWidget {
@@ -993,6 +994,25 @@ class _ReceiveScreenState extends State<ReceiveScreen> {
         return;
       }
 
+      // Detectar payment request y redirigir
+      final parsed = IncomingDataParser.parse(tokenValue);
+      if (parsed.type == IncomingDataType.paymentRequest) {
+        _isValidToken = false;
+        _tokenInfo = null;
+        WidgetsBinding.instance.addPostFrameCallback((_) {
+          if (!mounted) return;
+          Navigator.pushReplacement(
+            context,
+            MaterialPageRoute(
+              builder: (context) => PaymentRequestScreen(
+                encodedRequest: tokenValue,
+              ),
+            ),
+          );
+        });
+        return;
+      }
+
       // Parsear token real con cdk-flutter
       final tokenInfo = walletProvider.parseToken(tokenValue);
 

lib/screens/5_send/send_screen.dart

@@ -581,6 +581,7 @@ class _SendScreenState extends State<SendScreen> {
     showModalBottomSheet(
       context: context,
       backgroundColor: Colors.transparent,
+      isScrollControlled: true,
       builder: (context) => _ConfirmationModal(
         amount: _amount,
         unit: _activeUnit,

lib/screens/6_mint/invoice_screen.dart

@@ -80,10 +80,9 @@ class _InvoiceScreenState extends State<InvoiceScreen> {
                 _onMintCompleted();
                 break;
 
-              default:
-                // Cualquier otro estado se trata como error
+              case MintQuoteState.error:
                 _status = MintStatus.error;
-                _errorMessage = L10n.of(context)!.unknownState;
+                _errorMessage = quote.error ?? L10n.of(context)!.unknownError;
             }
           });
         },

lib/screens/6_mint/mint_screen.dart

@@ -249,6 +249,7 @@ class _MintScreenState extends State<MintScreen> {
     showModalBottomSheet(
       context: context,
       backgroundColor: Colors.transparent,
+      isScrollControlled: true,
       builder: (context) => _ConfirmationModal(
         amount: _amount,
         unit: _activeUnit,

lib/screens/7_melt/melt_screen.dart

@@ -594,15 +594,28 @@ class _MeltScreenState extends State<MeltScreen> {
       }
     });
 
+    // Extract lightning invoice from BIP-321 URI if present
+    var inputValue = value;
+    if (value.trim().toLowerCase().startsWith('bitcoin:')) {
+      final parsed = IncomingDataParser.parse(value.trim());
+      if (parsed.invoiceBolt11 != null) {
+        inputValue = parsed.invoiceBolt11!;
+        _invoiceController.text = inputValue;
+        _invoiceController.selection = TextSelection.fromPosition(
+          TextPosition(offset: inputValue.length),
+        );
+      }
+    }
+
     // Detectar tipo de input (sin mostrar error, solo detectar)
-    final inputType = LnurlService.detectType(value);
+    final inputType = LnurlService.detectType(inputValue);
     setState(() => _inputType = inputType);
 
     // Solo procesar automáticamente invoices BOLT11
     // LNURL y Lightning Address requieren botón explícito
     if (inputType == LnInputType.bolt11Invoice) {
       // BOLT11 invoices son 200+ chars; evitar llamar API con input parcial
-      final cleaned = LnurlService.cleanInput(value);
+      final cleaned = LnurlService.cleanInput(inputValue);
       if (cleaned.length > 50) {
         _getQuote(cleaned);
       }

lib/screens/9_history/history_screen.dart

@@ -14,6 +14,8 @@ import '../../core/utils/formatters.dart';
 import '../../data/transaction_meta_storage.dart';
 import '../../data/pending_token.dart';
 import '../../providers/wallet_provider.dart';
+import '../../providers/p2pk_provider.dart';
+import '../../core/utils/p2pk_utils.dart';
 import '../../widgets/common/gradient_background.dart';
 
 /// Filtros disponibles para el historial
@@ -222,9 +224,16 @@ class _HistoryScreenState extends State<HistoryScreen> {
   Future<void> _claimPendingToken(PendingToken token) async {
     final l10n = L10n.of(context)!;
     final walletProvider = context.read<WalletProvider>();
+    final p2pkProvider = context.read<P2PKProvider>();
 
     try {
-      final amount = await walletProvider.claimPendingToken(token.id);
+      // Detectar P2PK y obtener clave privada si es necesario
+      String? p2pkKey;
+      if (P2PKUtils.isP2PKLocked(token.encoded)) {
+        p2pkKey = p2pkProvider.getPrivateKeyForToken(token.encoded);
+      }
+
+      final amount = await walletProvider.claimPendingToken(token.id, p2pkPrivateKey: p2pkKey);
       if (mounted) {
         ScaffoldMessenger.of(context).showSnackBar(
           SnackBar(

lib/src/rust/api/payment_request.dart

@@ -0,0 +1,251 @@
+// This file is automatically generated, so please do not edit it.
+// @generated by `flutter_rust_bridge`@ 2.11.1.
+
+// ignore_for_file: invalid_use_of_internal_member, unused_import, unnecessary_import
+
+import '../frb_generated.dart';
+import 'error.dart';
+import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+
+// These functions are ignored because they are not marked as `pub`: `extract_creq_from_uri`, `parse_payment_request_inner`, `percent_decode`, `wait_for_nostr_payment_inner`
+// These function are ignored because they are on traits that is not defined in current crate (put an empty `#[frb]` on it to unignore): `clone`
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<CreatedPaymentRequest>>
+abstract class CreatedPaymentRequest implements RustOpaqueInterface {
+  String get creqA;
+
+  String get creqB;
+
+  NostrListenerHandle get listenerHandle;
+
+  set creqA(String creqA);
+
+  set creqB(String creqB);
+
+  set listenerHandle(NostrListenerHandle listenerHandle);
+}
+
+// Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<NostrListenerHandle>>
+abstract class NostrListenerHandle implements RustOpaqueInterface {
+  /// Reconstruct a handle from persisted data (e.g. after app restart).
+  static NostrListenerHandle fromPersisted({
+    required PersistedRequestData data,
+  }) => RustLib.instance.api
+      .crateApiPaymentRequestNostrListenerHandleFromPersisted(data: data);
+
+  /// Export handle data for persistence (e.g. SharedPreferences).
+  /// The secret key is exposed as hex — the caller is responsible
+  /// for storing it securely.
+  PersistedRequestData toPersisted();
+}
+
+/// Parameters for creating a payment request.
+class CreateRequestParams {
+  /// Amount to request (in smallest unit, e.g. sats)
+  final BigInt? amount;
+
+  /// Currency unit ("sat", "usd", etc.)
+  final String unit;
+
+  /// Human-readable description
+  final String? description;
+
+  /// Nostr relay URLs for the transport
+  final List<String> nostrRelays;
+
+  const CreateRequestParams({
+    this.amount,
+    required this.unit,
+    this.description,
+    required this.nostrRelays,
+  });
+
+  @override
+  int get hashCode =>
+      amount.hashCode ^
+      unit.hashCode ^
+      description.hashCode ^
+      nostrRelays.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is CreateRequestParams &&
+          runtimeType == other.runtimeType &&
+          amount == other.amount &&
+          unit == other.unit &&
+          description == other.description &&
+          nostrRelays == other.nostrRelays;
+}
+
+/// Event emitted by the Nostr payment listener.
+class NostrPaymentEvent {
+  final NostrPaymentState state;
+  final BigInt? amount;
+  final String? error;
+
+  const NostrPaymentEvent({required this.state, this.amount, this.error});
+
+  @override
+  int get hashCode => state.hashCode ^ amount.hashCode ^ error.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is NostrPaymentEvent &&
+          runtimeType == other.runtimeType &&
+          state == other.state &&
+          amount == other.amount &&
+          error == other.error;
+}
+
+/// State of a Nostr payment listener.
+enum NostrPaymentState {
+  /// Connected to relays, waiting for payment
+  waiting,
+
+  /// Payment received and tokens claimed
+  received,
+
+  /// Error occurred
+  error,
+}
+
+/// Parsed payment request info exposed to Flutter.
+/// CDK's FromStr auto-detects creqA (CBOR) vs creqB (Bech32m).
+class PaymentRequestInfo {
+  /// Raw encoded string (creqA... or CREQB1...)
+  final String raw;
+
+  /// Payment id
+  final String? paymentId;
+
+  /// Requested amount (in base unit)
+  final BigInt? amount;
+
+  /// Currency unit ("sat", "usd", etc.)
+  final String? unit;
+
+  /// Whether this is a single-use request
+  final bool? singleUse;
+
+  /// Accepted mints (empty = any mint)
+  final List<String> mints;
+
+  /// Human-readable description
+  final String? description;
+
+  /// Available transports
+  final List<TransportInfo> transports;
+
+  /// Whether NUT-10 spending conditions are required
+  final bool hasNut10;
+
+  const PaymentRequestInfo({
+    required this.raw,
+    this.paymentId,
+    this.amount,
+    this.unit,
+    this.singleUse,
+    required this.mints,
+    this.description,
+    required this.transports,
+    required this.hasNut10,
+  });
+
+  /// Parse a payment request string (creqA, CREQB1, or bitcoin:?creq=).
+  /// Supports NUT-18 (CBOR+base64) and NUT-26 (Bech32m) automatically.
+  static PaymentRequestInfo parse({required String encoded}) => RustLib
+      .instance
+      .api
+      .crateApiPaymentRequestPaymentRequestInfoParse(encoded: encoded);
+
+  @override
+  int get hashCode =>
+      raw.hashCode ^
+      paymentId.hashCode ^
+      amount.hashCode ^
+      unit.hashCode ^
+      singleUse.hashCode ^
+      mints.hashCode ^
+      description.hashCode ^
+      transports.hashCode ^
+      hasNut10.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is PaymentRequestInfo &&
+          runtimeType == other.runtimeType &&
+          raw == other.raw &&
+          paymentId == other.paymentId &&
+          amount == other.amount &&
+          unit == other.unit &&
+          singleUse == other.singleUse &&
+          mints == other.mints &&
+          description == other.description &&
+          transports == other.transports &&
+          hasNut10 == other.hasNut10;
+}
+
+/// Serializable data for persisting a NostrListenerHandle across app restarts.
+class PersistedRequestData {
+  final String secretHex;
+  final String pubkeyHex;
+  final List<String> relays;
+  final BigInt? amount;
+  final String unit;
+  final String mintUrl;
+
+  const PersistedRequestData({
+    required this.secretHex,
+    required this.pubkeyHex,
+    required this.relays,
+    this.amount,
+    required this.unit,
+    required this.mintUrl,
+  });
+
+  @override
+  int get hashCode =>
+      secretHex.hashCode ^
+      pubkeyHex.hashCode ^
+      relays.hashCode ^
+      amount.hashCode ^
+      unit.hashCode ^
+      mintUrl.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is PersistedRequestData &&
+          runtimeType == other.runtimeType &&
+          secretHex == other.secretHex &&
+          pubkeyHex == other.pubkeyHex &&
+          relays == other.relays &&
+          amount == other.amount &&
+          unit == other.unit &&
+          mintUrl == other.mintUrl;
+}
+
+/// Transport info exposed to Flutter
+class TransportInfo {
+  /// "nostr" or "post"
+  final String transportType;
+
+  /// Target (nprofile or URL)
+  final String target;
+
+  const TransportInfo({required this.transportType, required this.target});
+
+  @override
+  int get hashCode => transportType.hashCode ^ target.hashCode;
+
+  @override
+  bool operator ==(Object other) =>
+      identical(this, other) ||
+      other is TransportInfo &&
+          runtimeType == other.runtimeType &&
+          transportType == other.transportType &&
+          target == other.target;
+}

lib/src/rust/api/wallet.dart

@@ -7,6 +7,7 @@ import '../frb_generated.dart';
 import 'error.dart';
 import 'mint_info.dart';
 import 'package:flutter_rust_bridge/flutter_rust_bridge_for_generated.dart';
+import 'payment_request.dart';
 import 'token.dart';
 
 // These functions are ignored because they are not marked as `pub`: `mint_url`, `unit`, `update_balance_streams`
@@ -49,6 +50,15 @@ abstract class Wallet implements RustOpaqueInterface {
 
   Future<void> checkPendingTransactions();
 
+  /// Create a NUT-18 payment request with Nostr transport.
+  ///
+  /// Builds a PaymentRequest with the wallet's mint URL and unit,
+  /// generates ephemeral Nostr keys, and returns both creqA and creqB
+  /// encodings plus the keys needed for the Nostr listener.
+  Future<CreatedPaymentRequest> createPaymentRequest({
+    required CreateRequestParams params,
+  });
+
   Future<void> finalizePendingMelts();
 
   Future<MintInfo?> getMint();
@@ -77,6 +87,16 @@ abstract class Wallet implements RustOpaqueInterface {
     db: db,
   );
 
+  /// Pay a NUT-18 payment request.
+  /// Uses CDK's pay_request() which handles:
+  /// - NUT-10 spending conditions
+  /// - Transport selection (Nostr preferred, HTTP POST fallback)
+  /// - Token preparation and delivery
+  Future<void> payPaymentRequest({
+    required String encoded,
+    BigInt? customAmount,
+  });
+
   Future<PreparedSend> prepareSend({required BigInt amount, SendOptions? opts});
 
   Future<BigInt> receive({required Token token, ReceiveOptions? opts});
@@ -92,6 +112,14 @@ abstract class Wallet implements RustOpaqueInterface {
   });
 
   Stream<BigInt> streamBalance();
+
+  /// Wait for an incoming Nostr payment (NIP-17 gift-wrap).
+  ///
+  /// Takes the opaque NostrListenerHandle returned by create_payment_request().
+  /// The secret key never leaves Rust memory.
+  Stream<NostrPaymentEvent> waitForNostrPayment({
+    required NostrListenerHandle handle,
+  });
 }
 
 // Rust type: RustOpaqueMoi<flutter_rust_bridge::for_generated::RustAutoOpaqueInner<WalletDatabase>>

lib/src/rust/frb_generated.io.dart

@@ -6,6 +6,7 @@
 import 'api/error.dart';
 import 'api/keys.dart';
 import 'api/mint_info.dart';
+import 'api/payment_request.dart';
 import 'api/token.dart';
 import 'api/wallet.dart';
 import 'dart:async';
@@ -22,6 +23,14 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     required super.portManager,
   });
 
+  CrossPlatformFinalizerArg
+  get rust_arc_decrement_strong_count_CreatedPaymentRequestPtr => wire
+      ._rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequestPtr;
+
+  CrossPlatformFinalizerArg
+  get rust_arc_decrement_strong_count_NostrListenerHandlePtr => wire
+      ._rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandlePtr;
+
   CrossPlatformFinalizerArg
   get rust_arc_decrement_strong_count_PreparedSendPtr => wire
       ._rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSendPtr;
@@ -41,6 +50,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   AnyhowException dco_decode_AnyhowException(dynamic raw);
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
+  @protected
+  NostrListenerHandle
+  dco_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -65,6 +86,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     dynamic raw,
   );
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -83,6 +110,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     dynamic raw,
   );
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
+  @protected
+  NostrListenerHandle
+  dco_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -110,6 +149,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   Map<String, String> dco_decode_Map_String_String_None(dynamic raw);
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
+  @protected
+  NostrListenerHandle
+  dco_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -137,6 +188,10 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   RustStreamSink<MintQuote> dco_decode_StreamSink_mint_quote_Sse(dynamic raw);
 
+  @protected
+  RustStreamSink<NostrPaymentEvent>
+  dco_decode_StreamSink_nostr_payment_event_Sse(dynamic raw);
+
   @protected
   RustStreamSink<BigInt> dco_decode_StreamSink_u_64_Sse(dynamic raw);
 
@@ -149,6 +204,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   bool dco_decode_box_autoadd_bool(dynamic raw);
 
+  @protected
+  CreateRequestParams dco_decode_box_autoadd_create_request_params(dynamic raw);
+
   @protected
   MeltQuote dco_decode_box_autoadd_melt_quote(dynamic raw);
 
@@ -158,6 +216,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion dco_decode_box_autoadd_mint_version(dynamic raw);
 
+  @protected
+  PersistedRequestData dco_decode_box_autoadd_persisted_request_data(
+    dynamic raw,
+  );
+
   @protected
   ReceiveOptions dco_decode_box_autoadd_receive_options(dynamic raw);
 
@@ -181,6 +244,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   ContactInfo dco_decode_contact_info(dynamic raw);
 
+  @protected
+  CreateRequestParams dco_decode_create_request_params(dynamic raw);
+
   @protected
   Error dco_decode_error(dynamic raw);
 
@@ -217,6 +283,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   List<Transaction> dco_decode_list_transaction(dynamic raw);
 
+  @protected
+  List<TransportInfo> dco_decode_list_transport_info(dynamic raw);
+
   @protected
   MeltMethodSettings dco_decode_melt_method_settings(dynamic raw);
 
@@ -238,6 +307,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion dco_decode_mint_version(dynamic raw);
 
+  @protected
+  NostrPaymentEvent dco_decode_nostr_payment_event(dynamic raw);
+
+  @protected
+  NostrPaymentState dco_decode_nostr_payment_state(dynamic raw);
+
   @protected
   Nut04Settings dco_decode_nut_04_settings(dynamic raw);
 
@@ -288,6 +363,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   Uint8List? dco_decode_opt_list_prim_u_8_strict(dynamic raw);
 
+  @protected
+  PaymentRequestInfo dco_decode_payment_request_info(dynamic raw);
+
+  @protected
+  PersistedRequestData dco_decode_persisted_request_data(dynamic raw);
+
   @protected
   ReceiveOptions dco_decode_receive_options(dynamic raw);
 
@@ -312,6 +393,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   TransactionStatus dco_decode_transaction_status(dynamic raw);
 
+  @protected
+  TransportInfo dco_decode_transport_info(dynamic raw);
+
   @protected
   BigInt dco_decode_u_64(dynamic raw);
 
@@ -327,6 +411,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   AnyhowException sse_decode_AnyhowException(SseDeserializer deserializer);
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrListenerHandle
+  sse_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -351,6 +447,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -369,6 +471,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrListenerHandle
+  sse_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -398,6 +512,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrListenerHandle
+  sse_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -427,6 +553,10 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  RustStreamSink<NostrPaymentEvent>
+  sse_decode_StreamSink_nostr_payment_event_Sse(SseDeserializer deserializer);
+
   @protected
   RustStreamSink<BigInt> sse_decode_StreamSink_u_64_Sse(
     SseDeserializer deserializer,
@@ -441,6 +571,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   bool sse_decode_box_autoadd_bool(SseDeserializer deserializer);
 
+  @protected
+  CreateRequestParams sse_decode_box_autoadd_create_request_params(
+    SseDeserializer deserializer,
+  );
+
   @protected
   MeltQuote sse_decode_box_autoadd_melt_quote(SseDeserializer deserializer);
 
@@ -450,6 +585,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion sse_decode_box_autoadd_mint_version(SseDeserializer deserializer);
 
+  @protected
+  PersistedRequestData sse_decode_box_autoadd_persisted_request_data(
+    SseDeserializer deserializer,
+  );
+
   @protected
   ReceiveOptions sse_decode_box_autoadd_receive_options(
     SseDeserializer deserializer,
@@ -475,6 +615,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   ContactInfo sse_decode_contact_info(SseDeserializer deserializer);
 
+  @protected
+  CreateRequestParams sse_decode_create_request_params(
+    SseDeserializer deserializer,
+  );
+
   @protected
   Error sse_decode_error(SseDeserializer deserializer);
 
@@ -517,6 +662,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   List<Transaction> sse_decode_list_transaction(SseDeserializer deserializer);
 
+  @protected
+  List<TransportInfo> sse_decode_list_transport_info(
+    SseDeserializer deserializer,
+  );
+
   @protected
   MeltMethodSettings sse_decode_melt_method_settings(
     SseDeserializer deserializer,
@@ -542,6 +692,16 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion sse_decode_mint_version(SseDeserializer deserializer);
 
+  @protected
+  NostrPaymentEvent sse_decode_nostr_payment_event(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrPaymentState sse_decode_nostr_payment_state(
+    SseDeserializer deserializer,
+  );
+
   @protected
   Nut04Settings sse_decode_nut_04_settings(SseDeserializer deserializer);
 
@@ -600,6 +760,16 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   Uint8List? sse_decode_opt_list_prim_u_8_strict(SseDeserializer deserializer);
 
+  @protected
+  PaymentRequestInfo sse_decode_payment_request_info(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  PersistedRequestData sse_decode_persisted_request_data(
+    SseDeserializer deserializer,
+  );
+
   @protected
   ReceiveOptions sse_decode_receive_options(SseDeserializer deserializer);
 
@@ -628,6 +798,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   TransactionStatus sse_decode_transaction_status(SseDeserializer deserializer);
 
+  @protected
+  TransportInfo sse_decode_transport_info(SseDeserializer deserializer);
+
   @protected
   BigInt sse_decode_u_64(SseDeserializer deserializer);
 
@@ -646,6 +819,20 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void
+  sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    NostrListenerHandle self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -674,6 +861,13 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -695,6 +889,20 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void
+  sse_encode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    NostrListenerHandle self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -729,6 +937,20 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void
+  sse_encode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    NostrListenerHandle self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -763,6 +985,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_StreamSink_nostr_payment_event_Sse(
+    RustStreamSink<NostrPaymentEvent> self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_StreamSink_u_64_Sse(
     RustStreamSink<BigInt> self,
@@ -778,6 +1006,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   void sse_encode_box_autoadd_bool(bool self, SseSerializer serializer);
 
+  @protected
+  void sse_encode_box_autoadd_create_request_params(
+    CreateRequestParams self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_box_autoadd_melt_quote(
     MeltQuote self,
@@ -796,6 +1030,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_box_autoadd_persisted_request_data(
+    PersistedRequestData self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_box_autoadd_receive_options(
     ReceiveOptions self,
@@ -826,6 +1066,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   void sse_encode_contact_info(ContactInfo self, SseSerializer serializer);
 
+  @protected
+  void sse_encode_create_request_params(
+    CreateRequestParams self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_error(Error self, SseSerializer serializer);
 
@@ -883,6 +1129,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_list_transport_info(
+    List<TransportInfo> self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_melt_method_settings(
     MeltMethodSettings self,
@@ -913,6 +1165,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   void sse_encode_mint_version(MintVersion self, SseSerializer serializer);
 
+  @protected
+  void sse_encode_nostr_payment_event(
+    NostrPaymentEvent self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void sse_encode_nostr_payment_state(
+    NostrPaymentState self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_nut_04_settings(Nut04Settings self, SseSerializer serializer);
 
@@ -982,6 +1246,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_payment_request_info(
+    PaymentRequestInfo self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void sse_encode_persisted_request_data(
+    PersistedRequestData self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_receive_options(
     ReceiveOptions self,
@@ -1021,6 +1297,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_transport_info(TransportInfo self, SseSerializer serializer);
+
   @protected
   void sse_encode_u_64(BigInt self, SseSerializer serializer);
 
@@ -1048,6 +1327,74 @@ class RustLibWire implements BaseWire {
   RustLibWire(ffi.DynamicLibrary dynamicLibrary)
     : _lookup = dynamicLibrary.lookup;
 
+  void
+  rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    ffi.Pointer<ffi.Void> ptr,
+  ) {
+    return _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+      ptr,
+    );
+  }
+
+  late final _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequestPtr =
+      _lookup<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>)>>(
+        'frbgen_elcaju_rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest',
+      );
+  late final _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest =
+      _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequestPtr
+          .asFunction<void Function(ffi.Pointer<ffi.Void>)>();
+
+  void
+  rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    ffi.Pointer<ffi.Void> ptr,
+  ) {
+    return _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+      ptr,
+    );
+  }
+
+  late final _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequestPtr =
+      _lookup<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>)>>(
+        'frbgen_elcaju_rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest',
+      );
+  late final _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest =
+      _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequestPtr
+          .asFunction<void Function(ffi.Pointer<ffi.Void>)>();
+
+  void
+  rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    ffi.Pointer<ffi.Void> ptr,
+  ) {
+    return _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+      ptr,
+    );
+  }
+
+  late final _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandlePtr =
+      _lookup<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>)>>(
+        'frbgen_elcaju_rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle',
+      );
+  late final _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle =
+      _rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandlePtr
+          .asFunction<void Function(ffi.Pointer<ffi.Void>)>();
+
+  void
+  rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    ffi.Pointer<ffi.Void> ptr,
+  ) {
+    return _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+      ptr,
+    );
+  }
+
+  late final _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandlePtr =
+      _lookup<ffi.NativeFunction<ffi.Void Function(ffi.Pointer<ffi.Void>)>>(
+        'frbgen_elcaju_rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle',
+      );
+  late final _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle =
+      _rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandlePtr
+          .asFunction<void Function(ffi.Pointer<ffi.Void>)>();
+
   void
   rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
     ffi.Pointer<ffi.Void> ptr,

lib/src/rust/frb_generated.web.dart

@@ -9,6 +9,7 @@
 import 'api/error.dart';
 import 'api/keys.dart';
 import 'api/mint_info.dart';
+import 'api/payment_request.dart';
 import 'api/token.dart';
 import 'api/wallet.dart';
 import 'dart:async';
@@ -24,6 +25,14 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     required super.portManager,
   });
 
+  CrossPlatformFinalizerArg
+  get rust_arc_decrement_strong_count_CreatedPaymentRequestPtr => wire
+      .rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest;
+
+  CrossPlatformFinalizerArg
+  get rust_arc_decrement_strong_count_NostrListenerHandlePtr => wire
+      .rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle;
+
   CrossPlatformFinalizerArg
   get rust_arc_decrement_strong_count_PreparedSendPtr => wire
       .rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend;
@@ -43,6 +52,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   AnyhowException dco_decode_AnyhowException(dynamic raw);
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
+  @protected
+  NostrListenerHandle
+  dco_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -67,6 +88,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     dynamic raw,
   );
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -85,6 +112,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     dynamic raw,
   );
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
+  @protected
+  NostrListenerHandle
+  dco_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -112,6 +151,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   Map<String, String> dco_decode_Map_String_String_None(dynamic raw);
 
+  @protected
+  CreatedPaymentRequest
+  dco_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    dynamic raw,
+  );
+
+  @protected
+  NostrListenerHandle
+  dco_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    dynamic raw,
+  );
+
   @protected
   PreparedSend
   dco_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -139,6 +190,10 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   RustStreamSink<MintQuote> dco_decode_StreamSink_mint_quote_Sse(dynamic raw);
 
+  @protected
+  RustStreamSink<NostrPaymentEvent>
+  dco_decode_StreamSink_nostr_payment_event_Sse(dynamic raw);
+
   @protected
   RustStreamSink<BigInt> dco_decode_StreamSink_u_64_Sse(dynamic raw);
 
@@ -151,6 +206,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   bool dco_decode_box_autoadd_bool(dynamic raw);
 
+  @protected
+  CreateRequestParams dco_decode_box_autoadd_create_request_params(dynamic raw);
+
   @protected
   MeltQuote dco_decode_box_autoadd_melt_quote(dynamic raw);
 
@@ -160,6 +218,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion dco_decode_box_autoadd_mint_version(dynamic raw);
 
+  @protected
+  PersistedRequestData dco_decode_box_autoadd_persisted_request_data(
+    dynamic raw,
+  );
+
   @protected
   ReceiveOptions dco_decode_box_autoadd_receive_options(dynamic raw);
 
@@ -183,6 +246,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   ContactInfo dco_decode_contact_info(dynamic raw);
 
+  @protected
+  CreateRequestParams dco_decode_create_request_params(dynamic raw);
+
   @protected
   Error dco_decode_error(dynamic raw);
 
@@ -219,6 +285,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   List<Transaction> dco_decode_list_transaction(dynamic raw);
 
+  @protected
+  List<TransportInfo> dco_decode_list_transport_info(dynamic raw);
+
   @protected
   MeltMethodSettings dco_decode_melt_method_settings(dynamic raw);
 
@@ -240,6 +309,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion dco_decode_mint_version(dynamic raw);
 
+  @protected
+  NostrPaymentEvent dco_decode_nostr_payment_event(dynamic raw);
+
+  @protected
+  NostrPaymentState dco_decode_nostr_payment_state(dynamic raw);
+
   @protected
   Nut04Settings dco_decode_nut_04_settings(dynamic raw);
 
@@ -290,6 +365,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   Uint8List? dco_decode_opt_list_prim_u_8_strict(dynamic raw);
 
+  @protected
+  PaymentRequestInfo dco_decode_payment_request_info(dynamic raw);
+
+  @protected
+  PersistedRequestData dco_decode_persisted_request_data(dynamic raw);
+
   @protected
   ReceiveOptions dco_decode_receive_options(dynamic raw);
 
@@ -314,6 +395,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   TransactionStatus dco_decode_transaction_status(dynamic raw);
 
+  @protected
+  TransportInfo dco_decode_transport_info(dynamic raw);
+
   @protected
   BigInt dco_decode_u_64(dynamic raw);
 
@@ -329,6 +413,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   AnyhowException sse_decode_AnyhowException(SseDeserializer deserializer);
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrListenerHandle
+  sse_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -353,6 +449,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -371,6 +473,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrListenerHandle
+  sse_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -400,6 +514,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  CreatedPaymentRequest
+  sse_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrListenerHandle
+  sse_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    SseDeserializer deserializer,
+  );
+
   @protected
   PreparedSend
   sse_decode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -429,6 +555,10 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseDeserializer deserializer,
   );
 
+  @protected
+  RustStreamSink<NostrPaymentEvent>
+  sse_decode_StreamSink_nostr_payment_event_Sse(SseDeserializer deserializer);
+
   @protected
   RustStreamSink<BigInt> sse_decode_StreamSink_u_64_Sse(
     SseDeserializer deserializer,
@@ -443,6 +573,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   bool sse_decode_box_autoadd_bool(SseDeserializer deserializer);
 
+  @protected
+  CreateRequestParams sse_decode_box_autoadd_create_request_params(
+    SseDeserializer deserializer,
+  );
+
   @protected
   MeltQuote sse_decode_box_autoadd_melt_quote(SseDeserializer deserializer);
 
@@ -452,6 +587,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion sse_decode_box_autoadd_mint_version(SseDeserializer deserializer);
 
+  @protected
+  PersistedRequestData sse_decode_box_autoadd_persisted_request_data(
+    SseDeserializer deserializer,
+  );
+
   @protected
   ReceiveOptions sse_decode_box_autoadd_receive_options(
     SseDeserializer deserializer,
@@ -477,6 +617,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   ContactInfo sse_decode_contact_info(SseDeserializer deserializer);
 
+  @protected
+  CreateRequestParams sse_decode_create_request_params(
+    SseDeserializer deserializer,
+  );
+
   @protected
   Error sse_decode_error(SseDeserializer deserializer);
 
@@ -519,6 +664,11 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   List<Transaction> sse_decode_list_transaction(SseDeserializer deserializer);
 
+  @protected
+  List<TransportInfo> sse_decode_list_transport_info(
+    SseDeserializer deserializer,
+  );
+
   @protected
   MeltMethodSettings sse_decode_melt_method_settings(
     SseDeserializer deserializer,
@@ -544,6 +694,16 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   MintVersion sse_decode_mint_version(SseDeserializer deserializer);
 
+  @protected
+  NostrPaymentEvent sse_decode_nostr_payment_event(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  NostrPaymentState sse_decode_nostr_payment_state(
+    SseDeserializer deserializer,
+  );
+
   @protected
   Nut04Settings sse_decode_nut_04_settings(SseDeserializer deserializer);
 
@@ -602,6 +762,16 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   Uint8List? sse_decode_opt_list_prim_u_8_strict(SseDeserializer deserializer);
 
+  @protected
+  PaymentRequestInfo sse_decode_payment_request_info(
+    SseDeserializer deserializer,
+  );
+
+  @protected
+  PersistedRequestData sse_decode_persisted_request_data(
+    SseDeserializer deserializer,
+  );
+
   @protected
   ReceiveOptions sse_decode_receive_options(SseDeserializer deserializer);
 
@@ -630,6 +800,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   TransactionStatus sse_decode_transaction_status(SseDeserializer deserializer);
 
+  @protected
+  TransportInfo sse_decode_transport_info(SseDeserializer deserializer);
+
   @protected
   BigInt sse_decode_u_64(SseDeserializer deserializer);
 
@@ -648,6 +821,20 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void
+  sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    NostrListenerHandle self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_Auto_Owned_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -676,6 +863,13 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_Auto_RefMut_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -697,6 +891,20 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void
+  sse_encode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    NostrListenerHandle self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_Auto_Ref_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -731,6 +939,20 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void
+  sse_encode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    CreatedPaymentRequest self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void
+  sse_encode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    NostrListenerHandle self,
+    SseSerializer serializer,
+  );
+
   @protected
   void
   sse_encode_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
@@ -765,6 +987,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_StreamSink_nostr_payment_event_Sse(
+    RustStreamSink<NostrPaymentEvent> self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_StreamSink_u_64_Sse(
     RustStreamSink<BigInt> self,
@@ -780,6 +1008,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   void sse_encode_box_autoadd_bool(bool self, SseSerializer serializer);
 
+  @protected
+  void sse_encode_box_autoadd_create_request_params(
+    CreateRequestParams self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_box_autoadd_melt_quote(
     MeltQuote self,
@@ -798,6 +1032,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_box_autoadd_persisted_request_data(
+    PersistedRequestData self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_box_autoadd_receive_options(
     ReceiveOptions self,
@@ -828,6 +1068,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   void sse_encode_contact_info(ContactInfo self, SseSerializer serializer);
 
+  @protected
+  void sse_encode_create_request_params(
+    CreateRequestParams self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_error(Error self, SseSerializer serializer);
 
@@ -885,6 +1131,12 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_list_transport_info(
+    List<TransportInfo> self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_melt_method_settings(
     MeltMethodSettings self,
@@ -915,6 +1167,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
   @protected
   void sse_encode_mint_version(MintVersion self, SseSerializer serializer);
 
+  @protected
+  void sse_encode_nostr_payment_event(
+    NostrPaymentEvent self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void sse_encode_nostr_payment_state(
+    NostrPaymentState self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_nut_04_settings(Nut04Settings self, SseSerializer serializer);
 
@@ -984,6 +1248,18 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_payment_request_info(
+    PaymentRequestInfo self,
+    SseSerializer serializer,
+  );
+
+  @protected
+  void sse_encode_persisted_request_data(
+    PersistedRequestData self,
+    SseSerializer serializer,
+  );
+
   @protected
   void sse_encode_receive_options(
     ReceiveOptions self,
@@ -1023,6 +1299,9 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
     SseSerializer serializer,
   );
 
+  @protected
+  void sse_encode_transport_info(TransportInfo self, SseSerializer serializer);
+
   @protected
   void sse_encode_u_64(BigInt self, SseSerializer serializer);
 
@@ -1041,6 +1320,38 @@ abstract class RustLibApiImplPlatform extends BaseApiImpl<RustLibWire> {
 class RustLibWire implements BaseWire {
   RustLibWire.fromExternalLibrary(ExternalLibrary lib);
 
+  void
+  rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    int ptr,
+  ) => wasmModule
+      .rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+        ptr,
+      );
+
+  void
+  rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    int ptr,
+  ) => wasmModule
+      .rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+        ptr,
+      );
+
+  void
+  rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    int ptr,
+  ) => wasmModule
+      .rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+        ptr,
+      );
+
+  void
+  rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    int ptr,
+  ) => wasmModule
+      .rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+        ptr,
+      );
+
   void
   rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
     int ptr,
@@ -1112,6 +1423,26 @@ external RustLibWasmModule get wasmModule;
 @JS()
 @anonymous
 extension type RustLibWasmModule._(JSObject _) implements JSObject {
+  external void
+  rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    int ptr,
+  );
+
+  external void
+  rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerCreatedPaymentRequest(
+    int ptr,
+  );
+
+  external void
+  rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    int ptr,
+  );
+
+  external void
+  rust_arc_decrement_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerNostrListenerHandle(
+    int ptr,
+  );
+
   external void
   rust_arc_increment_strong_count_RustOpaque_flutter_rust_bridgefor_generatedRustAutoOpaqueInnerPreparedSend(
     int ptr,

rust/Cargo.lock

@@ -17,6 +17,27 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
+[[package]]
+name = "aead"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d122413f284cf2d62fb1b7db97e02edb8cda96d769b16e443a4f6195e35662b0"
+dependencies = [
+ "crypto-common",
+ "generic-array",
+]
+
+[[package]]
+name = "aes"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b169f7a6d4742236a0a00c541b845991d0ac43e546831af1249753ab4c3aa3a0"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
 [[package]]
 name = "ahash"
 version = "0.8.12"
@@ -184,12 +205,49 @@ dependencies = [
  "syn 2.0.117",
 ]
 
+[[package]]
+name = "async-utility"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a34a3b57207a7a1007832416c3e4862378c8451b4e8e093e436f48c2d3d2c151"
+dependencies = [
+ "futures-util",
+ "gloo-timers",
+ "tokio",
+ "wasm-bindgen-futures",
+]
+
+[[package]]
+name = "async-wsocket"
+version = "0.13.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1c92385c7c8b3eb2de1b78aeca225212e4c9a69a78b802832759b108681a5069"
+dependencies = [
+ "async-utility",
+ "futures",
+ "futures-util",
+ "js-sys",
+ "tokio",
+ "tokio-rustls",
+ "tokio-socks",
+ "tokio-tungstenite",
+ "url",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "atomic"
 version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c59bdb34bc650a32731b31bd8f0829cc15d24a708ee31559e0bb34f2bc320cba"
 
+[[package]]
+name = "atomic-destructor"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ef49f5882e4b6afaac09ad239a4f8c70a24b8f2b0897edb1f706008efd109cf4"
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -239,6 +297,12 @@ version = "0.22.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "72b3254f16251a8381aa12e40e3c4d2f0199f8c6508fbecb9d91f575e0fbb8c6"
 
+[[package]]
+name = "base64ct"
+version = "1.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2af50177e190e07a26ab74f8b1efbfe2ef87da2116221318cb1c2e82baf7de06"
+
 [[package]]
 name = "bc-ur"
 version = "0.12.0"
@@ -354,6 +418,15 @@ dependencies = [
  "generic-array",
 ]
 
+[[package]]
+name = "block-padding"
+version = "0.3.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a8894febbff9f758034a5b8e12d87918f56dfc64a8e1fe757d65e29041538d93"
+dependencies = [
+ "generic-array",
+]
+
 [[package]]
 name = "brotli"
 version = "8.0.2"
@@ -425,6 +498,7 @@ dependencies = [
  "ciborium",
  "lightning",
  "lightning-invoice",
+ "nostr-sdk",
  "once_cell",
  "serde",
  "serde_json",
@@ -439,6 +513,15 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "cbc"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26b52a9543ae338f279b96b0b9fed9c8093744685043739079ce85cd58f289a6"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "cbor-diag"
 version = "0.1.12"
@@ -490,6 +573,7 @@ dependencies = [
  "jsonwebtoken",
  "lightning",
  "lightning-invoice",
+ "nostr-sdk",
  "regex",
  "ring",
  "rustls",
@@ -628,6 +712,30 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "613afe47fcd5fac7ccf1db93babcb082c5994d996f20b8b159f2ad1658eb5724"
 
+[[package]]
+name = "chacha20"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3613f74bd2eac03dad61bd53dbe620703d4371614fe0bc3b9f04dd36fe4e818"
+dependencies = [
+ "cfg-if",
+ "cipher",
+ "cpufeatures",
+]
+
+[[package]]
+name = "chacha20poly1305"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "10cd79432192d1c0f4e1a0fef9527696cc039165d729fb41b3f4f4f354c2dc35"
+dependencies = [
+ "aead",
+ "chacha20",
+ "cipher",
+ "poly1305",
+ "zeroize",
+]
+
 [[package]]
 name = "chrono"
 version = "0.4.44"
@@ -669,6 +777,17 @@ dependencies = [
  "half",
 ]
 
+[[package]]
+name = "cipher"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "773f3b9af64447d2ce9850330c473515014aa235e6a783b02db81ff39e4a3dad"
+dependencies = [
+ "crypto-common",
+ "inout",
+ "zeroize",
+]
+
 [[package]]
 name = "clap"
 version = "4.6.0"
@@ -807,6 +926,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
 dependencies = [
  "generic-array",
+ "rand_core 0.6.4",
  "typenum",
 ]
 
@@ -915,6 +1035,7 @@ checksum = "9ed9a281f7bc9b7576e61468ba615a66a5c8cfdff42420a70aa82701a3b1e292"
 dependencies = [
  "block-buffer",
  "crypto-common",
+ "subtle",
 ]
 
 [[package]]
@@ -940,6 +1061,12 @@ version = "1.0.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d0881ea181b1df73ff77ffaaf9c7544ecc11e82fba9b5f27b262a3c73a332555"
 
+[[package]]
+name = "either"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
+
 [[package]]
 name = "elcaju_core"
 version = "0.1.0"
@@ -953,6 +1080,7 @@ dependencies = [
  "flutter_rust_bridge",
  "getrandom 0.3.4",
  "log",
+ "nostr-sdk",
  "oslog",
  "reqwest",
  "serde_json",
@@ -1313,6 +1441,15 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3011d1213f159867b13cfd6ac92d2cd5f1345762c63be3554e84092d85a50bbd"
 
+[[package]]
+name = "hmac"
+version = "0.12.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c49c37c09c17a53d937dfbb742eb3a961d65a994e6bcdcf37e7399d0cc8ab5e"
+dependencies = [
+ "digest",
+]
+
 [[package]]
 name = "home"
 version = "0.5.12"
@@ -1397,7 +1534,7 @@ dependencies = [
  "tokio",
  "tokio-rustls",
  "tower-service",
- "webpki-roots",
+ "webpki-roots 1.0.6",
 ]
 
 [[package]]
@@ -1584,6 +1721,28 @@ dependencies = [
  "serde_core",
 ]
 
+[[package]]
+name = "inout"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "879f10e63c20629ecabbb64a8010319738c66a5cd0c29b02d63d272b03751d01"
+dependencies = [
+ "block-padding",
+ "generic-array",
+]
+
+[[package]]
+name = "instant"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e0242819d153cba4b4b05a5a8f2a7e9bbf97b6055b2a002b395c96b5ff3c0222"
+dependencies = [
+ "cfg-if",
+ "js-sys",
+ "wasm-bindgen",
+ "web-sys",
+]
+
 [[package]]
 name = "ipnet"
 version = "2.12.0"
@@ -1754,6 +1913,12 @@ version = "0.4.29"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e5032e24019045c762d3c0f28f5b6b8bbf38563a65908389bf7978758920897"
 
+[[package]]
+name = "lru"
+version = "0.16.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a1dc47f592c06f33f8e3aea9591776ec7c9f9e4124778ff8a3c3b87159f7e593"
+
 [[package]]
 name = "lru-slab"
 version = "0.1.2"
@@ -1832,6 +1997,12 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
+[[package]]
+name = "negentropy"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0efe882e02d206d8d279c20eb40e03baf7cb5136a1476dc084a324fbc3ec42d"
+
 [[package]]
 name = "nom"
 version = "7.1.3"
@@ -1842,6 +2013,84 @@ dependencies = [
  "minimal-lexical",
 ]
 
+[[package]]
+name = "nostr"
+version = "0.44.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3aa5e3b6a278ed061835fe1ee293b71641e6bf8b401cfe4e1834bbf4ef0a34e1"
+dependencies = [
+ "aes",
+ "base64 0.22.1",
+ "bech32",
+ "bip39",
+ "bitcoin_hashes 0.14.1",
+ "cbc",
+ "chacha20",
+ "chacha20poly1305",
+ "getrandom 0.2.17",
+ "hex",
+ "instant",
+ "scrypt",
+ "secp256k1",
+ "serde",
+ "serde_json",
+ "unicode-normalization",
+ "url",
+]
+
+[[package]]
+name = "nostr-database"
+version = "0.44.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7462c9d8ae5ef6a28d66a192d399ad2530f1f2130b13186296dbb11bdef5b3d1"
+dependencies = [
+ "lru",
+ "nostr",
+ "tokio",
+]
+
+[[package]]
+name = "nostr-gossip"
+version = "0.44.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ade30de16869618919c6b5efc8258f47b654a98b51541eb77f85e8ec5e3c83a6"
+dependencies = [
+ "nostr",
+]
+
+[[package]]
+name = "nostr-relay-pool"
+version = "0.44.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4b1073ccfbaea5549fb914a9d52c68dab2aecda61535e5143dd73e95445a804b"
+dependencies = [
+ "async-utility",
+ "async-wsocket",
+ "atomic-destructor",
+ "hex",
+ "lru",
+ "negentropy",
+ "nostr",
+ "nostr-database",
+ "tokio",
+ "tracing",
+]
+
+[[package]]
+name = "nostr-sdk"
+version = "0.44.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "471732576710e779b64f04c55e3f8b5292f865fea228436daf19694f0bf70393"
+dependencies = [
+ "async-utility",
+ "nostr",
+ "nostr-database",
+ "nostr-gossip",
+ "nostr-relay-pool",
+ "tokio",
+ "tracing",
+]
+
 [[package]]
 name = "nu-ansi-term"
 version = "0.50.3"
@@ -1927,6 +2176,12 @@ version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
+[[package]]
+name = "opaque-debug"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c08d65885ee38876c4f86fa503fb49d7b507c2b62552df7c70b2fce627e06381"
+
 [[package]]
 name = "openssl-probe"
 version = "0.2.1"
@@ -1967,12 +2222,33 @@ dependencies = [
  "windows-link",
 ]
 
+[[package]]
+name = "password-hash"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "346f04948ba92c43e8469c1ee6736c7563d71012b17d40745260fe106aac2166"
+dependencies = [
+ "base64ct",
+ "rand_core 0.6.4",
+ "subtle",
+]
+
 [[package]]
 name = "paste"
 version = "1.0.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "57c0d7b74b563b49d38dae00a0c37d4d6de9b432382b2892f0574ddcae73fd0a"
 
+[[package]]
+name = "pbkdf2"
+version = "0.12.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8ed6a7761f76e3b9f92dfb0a60a6a6477c61024b775147ff0973a02653abaf2"
+dependencies = [
+ "digest",
+ "hmac",
+]
+
 [[package]]
 name = "pem"
 version = "3.0.6"
@@ -2069,6 +2345,17 @@ version = "0.3.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7edddbd0b52d732b21ad9a5fab5c704c14cd949e5e9a1ec5929a24fded1b904c"
 
+[[package]]
+name = "poly1305"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8159bd90725d2df49889a078b54f4f79e87f1f8a8444194cdca81d38f5393abf"
+dependencies = [
+ "cpufeatures",
+ "opaque-debug",
+ "universal-hash",
+]
+
 [[package]]
 name = "portable-atomic"
 version = "1.13.1"
@@ -2365,7 +2652,7 @@ dependencies = [
  "wasm-bindgen",
  "wasm-bindgen-futures",
  "web-sys",
- "webpki-roots",
+ "webpki-roots 1.0.6",
 ]
 
 [[package]]
@@ -2467,6 +2754,15 @@ version = "1.0.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
 
+[[package]]
+name = "salsa20"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "97a22f5af31f73a954c10289c93e8a50cc23d971e80ee446f1f6f7137a088213"
+dependencies = [
+ "cipher",
+]
+
 [[package]]
 name = "schannel"
 version = "0.1.29"
@@ -2506,6 +2802,18 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
+[[package]]
+name = "scrypt"
+version = "0.11.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0516a385866c09368f0b5bcd1caff3366aace790fcd46e2bb032697bb172fd1f"
+dependencies = [
+ "password-hash",
+ "pbkdf2",
+ "salsa20",
+ "sha2",
+]
+
 [[package]]
 name = "secp256k1"
 version = "0.29.1"
@@ -2659,6 +2967,17 @@ dependencies = [
  "digest",
 ]
 
+[[package]]
+name = "sha2"
+version = "0.10.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
+dependencies = [
+ "cfg-if",
+ "cpufeatures",
+ "digest",
+]
+
 [[package]]
 name = "sharded-slab"
 version = "0.1.7"
@@ -2960,6 +3279,18 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-socks"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0d4770b8024672c1101b3f6733eab95b18007dbe0847a8afe341fcf79e06043f"
+dependencies = [
+ "either",
+ "futures-util",
+ "thiserror 1.0.69",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-stream"
 version = "0.1.18"
@@ -2985,6 +3316,7 @@ dependencies = [
  "tokio",
  "tokio-rustls",
  "tungstenite",
+ "webpki-roots 0.26.11",
 ]
 
 [[package]]
@@ -3184,6 +3516,16 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
+[[package]]
+name = "universal-hash"
+version = "0.5.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc1de2c688dc15305988b563c3854064043356019f97a4b46276fe734c4f07ea"
+dependencies = [
+ "crypto-common",
+ "subtle",
+]
+
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -3213,6 +3555,7 @@ dependencies = [
  "idna",
  "percent-encoding",
  "serde",
+ "serde_derive",
 ]
 
 [[package]]
@@ -3405,6 +3748,15 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpki-roots"
+version = "0.26.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "521bc38abb08001b01866da9f51eb7c5d647a19260e00054a8c7fd5f9e57f7a9"
+dependencies = [
+ "webpki-roots 1.0.6",
+]
+
 [[package]]
 name = "webpki-roots"
 version = "1.0.6"

rust/Cargo.toml

@@ -8,8 +8,8 @@ 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 = { version = "0.15.1", default-features = false, features = ["wallet", "nostr"] }
+cdk-common = { version = "0.15.1", default-features = false, features = ["nostr"] }
 cdk-sqlite = { version = "0.15.1", default-features = false, features = ["wallet"] }
 
 # Bridge Flutter <-> Rust
@@ -31,6 +31,9 @@ bip39 = { version = "2.1", default-features = false, features = ["std"] }
 # Entropy
 getrandom = { version = "0.3", default-features = false, features = ["std"] }
 
+# Nostr keys (same version as CDK 0.15.1 — CDK does not re-export Keys)
+nostr-sdk = { version = "0.44.1", default-features = false, features = ["nip04", "nip44", "nip59"] }
+
 # Async runtime
 tokio = { version = "1", default-features = false }
 

rust/src/api/mod.rs

@@ -1,5 +1,6 @@
 pub mod error;
 pub mod keys;
 pub mod mint_info;
+pub mod payment_request;
 pub mod token;
 pub mod wallet;

rust/src/api/payment_request.rs

@@ -0,0 +1,591 @@
+use std::str::FromStr;
+
+use cdk::{
+    amount::Amount,
+    mint_url::MintUrl,
+    nuts::{
+        CurrencyUnit, PaymentRequest as CdkPaymentRequest, Transport, TransportType,
+    },
+    wallet::ReceiveOptions as CdkReceiveOptions,
+};
+use flutter_rust_bridge::frb;
+use nostr_sdk::{
+    nips::nip19::{Nip19Profile, ToBech32},
+    Keys as NostrKeys, PublicKey, RelayUrl,
+};
+
+use crate::frb_generated::StreamSink;
+
+use super::{error::Error, wallet::Wallet};
+
+// ========================================================================
+// Payment Request parsing (NUT-18 creqA + NUT-26 creqB)
+// ========================================================================
+
+/// Parsed payment request info exposed to Flutter.
+/// CDK's FromStr auto-detects creqA (CBOR) vs creqB (Bech32m).
+pub struct PaymentRequestInfo {
+    /// Raw encoded string (creqA... or CREQB1...)
+    pub raw: String,
+    /// Payment id
+    pub payment_id: Option<String>,
+    /// Requested amount (in base unit)
+    pub amount: Option<u64>,
+    /// Currency unit ("sat", "usd", etc.)
+    pub unit: Option<String>,
+    /// Whether this is a single-use request
+    pub single_use: Option<bool>,
+    /// Accepted mints (empty = any mint)
+    pub mints: Vec<String>,
+    /// Human-readable description
+    pub description: Option<String>,
+    /// Available transports
+    pub transports: Vec<TransportInfo>,
+    /// Whether NUT-10 spending conditions are required
+    pub has_nut10: bool,
+}
+
+/// Transport info exposed to Flutter
+pub struct TransportInfo {
+    /// "nostr" or "post"
+    pub transport_type: String,
+    /// Target (nprofile or URL)
+    pub target: String,
+}
+
+impl PaymentRequestInfo {
+    /// Parse a payment request string (creqA, CREQB1, or bitcoin:?creq=).
+    /// Supports NUT-18 (CBOR+base64) and NUT-26 (Bech32m) automatically.
+    #[frb(sync)]
+    pub fn parse(encoded: String) -> Result<PaymentRequestInfo, Error> {
+        parse_payment_request_inner(encoded)
+    }
+}
+
+/// Inner parsing logic, outside of frb macro scope to avoid iterator issues.
+fn parse_payment_request_inner(encoded: String) -> Result<PaymentRequestInfo, Error> {
+    let creq_str = extract_creq_from_uri(&encoded).unwrap_or(encoded);
+
+    let pr = CdkPaymentRequest::from_str(&creq_str)
+        .map_err(|e| Error::Cdk(format!("Invalid payment request: {e}")))?;
+
+    let mints: Vec<String> = match &pr.mints {
+        Some(list) => {
+            let mut v = Vec::new();
+            for m in list {
+                v.push(format!("{}", m));
+            }
+            v
+        }
+        None => Vec::new(),
+    };
+    let mut transports = Vec::new();
+    for t in &pr.transports {
+        transports.push(TransportInfo {
+            transport_type: match t._type {
+                TransportType::Nostr => "nostr".into(),
+                TransportType::HttpPost => "post".into(),
+            },
+            target: t.target.clone(),
+        });
+    }
+    let has_nut10 = pr.nut10.is_some();
+
+    Ok(PaymentRequestInfo {
+        raw: creq_str,
+        payment_id: pr.payment_id,
+        amount: pr.amount.map(|a| a.into()),
+        unit: pr.unit.map(|u| format!("{}", u)),
+        single_use: pr.single_use,
+        mints,
+        description: pr.description,
+        transports,
+        has_nut10,
+    })
+}
+
+/// Extract creq parameter from a BIP-321 bitcoin: URI.
+/// e.g. "bitcoin:?creq=CREQB1...&lightning=lnbc..." → "CREQB1..."
+/// Handles percent-encoding and case-insensitive key matching.
+fn extract_creq_from_uri(input: &str) -> Option<String> {
+    if !input
+        .get(..8)
+        .is_some_and(|scheme| scheme.eq_ignore_ascii_case("bitcoin:"))
+    {
+        return None;
+    }
+    let query = input.split_once('?')?.1;
+    for param in query.split('&') {
+        let (key, value) = param.split_once('=')?;
+        if key.eq_ignore_ascii_case("creq") {
+            return Some(percent_decode(value));
+        }
+    }
+    None
+}
+
+/// Simple percent-decoding for URI query values.
+fn percent_decode(value: &str) -> String {
+    let bytes = value.as_bytes();
+    let mut out = Vec::with_capacity(bytes.len());
+    let mut i = 0;
+    while i < bytes.len() {
+        if bytes[i] == b'%' && i + 2 < bytes.len() {
+            if let Ok(byte) = u8::from_str_radix(
+                std::str::from_utf8(&bytes[i + 1..i + 3]).unwrap_or(""),
+                16,
+            ) {
+                out.push(byte);
+                i += 3;
+                continue;
+            }
+        }
+        out.push(bytes[i]);
+        i += 1;
+    }
+    String::from_utf8(out).unwrap_or_else(|_| value.to_string())
+}
+
+// ========================================================================
+// Payment execution (payer side)
+// ========================================================================
+
+impl Wallet {
+    /// Pay a NUT-18 payment request.
+    /// Uses CDK's pay_request() which handles:
+    /// - NUT-10 spending conditions
+    /// - Transport selection (Nostr preferred, HTTP POST fallback)
+    /// - Token preparation and delivery
+    pub async fn pay_payment_request(
+        &self,
+        encoded: String,
+        custom_amount: Option<u64>,
+    ) -> Result<(), Error> {
+        let creq_str = extract_creq_from_uri(&encoded).unwrap_or(encoded);
+
+        let pr = CdkPaymentRequest::from_str(&creq_str)
+            .map_err(|e| Error::Cdk(format!("Invalid payment request: {e}")))?;
+
+        self.inner
+            .pay_request(pr, custom_amount.map(Amount::from))
+            .await?;
+
+        self.update_balance_streams().await;
+        Ok(())
+    }
+}
+
+// ========================================================================
+// Payment Request creation (payee/receiver side) — NUT-18/26
+// ========================================================================
+
+/// Parameters for creating a payment request.
+pub struct CreateRequestParams {
+    /// Amount to request (in smallest unit, e.g. sats)
+    pub amount: Option<u64>,
+    /// Currency unit ("sat", "usd", etc.)
+    pub unit: String,
+    /// Human-readable description
+    pub description: Option<String>,
+    /// Nostr relay URLs for the transport
+    pub nostr_relays: Vec<String>,
+}
+
+/// Result of creating a payment request.
+pub struct CreatedPaymentRequest {
+    /// NUT-18 encoding: creqA... (CBOR+base64url)
+    pub creq_a: String,
+    /// NUT-26 encoding: CREQB1... (Bech32m, uppercase for QR)
+    pub creq_b: String,
+    /// Opaque handle holding the ephemeral Nostr keys — pass to wait_for_nostr_payment().
+    /// The secret key never leaves Rust.
+    pub listener_handle: NostrListenerHandle,
+}
+
+/// Opaque handle that keeps Nostr ephemeral keys in Rust memory.
+/// Dart receives this as an opaque reference and passes it back
+/// to wait_for_nostr_payment() without ever seeing the secret key.
+/// Also carries the expected payment parameters for validation.
+#[derive(Clone)]
+pub struct NostrListenerHandle {
+    keys: NostrKeys,
+    pubkey: PublicKey,
+    relays: Vec<String>,
+    /// Expected amount (None = any amount accepted)
+    expected_amount: Option<Amount>,
+    /// Expected currency unit
+    expected_unit: CurrencyUnit,
+    /// This wallet's mint URL
+    mint_url: MintUrl,
+}
+
+/// Serializable data for persisting a NostrListenerHandle across app restarts.
+pub struct PersistedRequestData {
+    pub secret_hex: String,
+    pub pubkey_hex: String,
+    pub relays: Vec<String>,
+    pub amount: Option<u64>,
+    pub unit: String,
+    pub mint_url: String,
+}
+
+impl NostrListenerHandle {
+    /// Export handle data for persistence (e.g. SharedPreferences).
+    /// The secret key is exposed as hex — the caller is responsible
+    /// for storing it securely.
+    #[frb(sync)]
+    pub fn to_persisted(&self) -> PersistedRequestData {
+        PersistedRequestData {
+            secret_hex: self.keys.secret_key().to_secret_hex(),
+            pubkey_hex: self.pubkey.to_hex(),
+            relays: self.relays.clone(),
+            amount: self.expected_amount.map(|a| a.into()),
+            unit: self.expected_unit.to_string(),
+            mint_url: self.mint_url.to_string(),
+        }
+    }
+
+    /// Reconstruct a handle from persisted data (e.g. after app restart).
+    #[frb(sync)]
+    pub fn from_persisted(data: PersistedRequestData) -> Result<NostrListenerHandle, Error> {
+        let secret_key = nostr_sdk::SecretKey::from_hex(&data.secret_hex)
+            .map_err(|e| Error::Cdk(format!("Invalid persisted secret key: {e}")))?;
+        let keys = NostrKeys::new(secret_key);
+        // Derive pubkey from secret — don't trust the persisted copy
+        let pubkey = keys.public_key;
+        let unit = CurrencyUnit::from_str(&data.unit)
+            .unwrap_or(CurrencyUnit::Custom(data.unit));
+        let mint_url = MintUrl::from_str(&data.mint_url)
+            .map_err(|e| Error::Cdk(format!("Invalid persisted mint URL: {e}")))?;
+
+        Ok(NostrListenerHandle {
+            keys,
+            pubkey,
+            relays: data.relays,
+            expected_amount: data.amount.map(Amount::from),
+            expected_unit: unit,
+            mint_url,
+        })
+    }
+}
+
+/// State of a Nostr payment listener.
+pub enum NostrPaymentState {
+    /// Connected to relays, waiting for payment
+    Waiting,
+    /// Payment received and tokens claimed
+    Received,
+    /// Error occurred
+    Error,
+}
+
+/// Event emitted by the Nostr payment listener.
+pub struct NostrPaymentEvent {
+    pub state: NostrPaymentState,
+    pub amount: Option<u64>,
+    pub error: Option<String>,
+}
+
+impl Wallet {
+    /// Create a NUT-18 payment request with Nostr transport.
+    ///
+    /// Builds a PaymentRequest with the wallet's mint URL and unit,
+    /// generates ephemeral Nostr keys, and returns both creqA and creqB
+    /// encodings plus the keys needed for the Nostr listener.
+    pub async fn create_payment_request(
+        &self,
+        params: CreateRequestParams,
+    ) -> Result<CreatedPaymentRequest, Error> {
+        // Generate ephemeral Nostr keys for this request
+        let keys = NostrKeys::generate();
+
+        // Parse relay URLs for nprofile
+        if params.nostr_relays.is_empty() {
+            return Err(Error::InvalidInput);
+        }
+
+        let relay_urls: Vec<RelayUrl> = params
+            .nostr_relays
+            .iter()
+            .map(|r| RelayUrl::parse(r))
+            .collect::<Result<Vec<_>, _>>()
+            .map_err(|e| Error::Cdk(format!("Invalid relay URL: {e}")))?;
+
+        let nprofile = Nip19Profile::new(keys.public_key, relay_urls);
+        let nprofile_bech32 = nprofile
+            .to_bech32()
+            .map_err(|e| Error::Cdk(format!("nprofile encoding failed: {e}")))?;
+
+        // Build the Nostr transport
+        let nostr_transport = Transport {
+            _type: TransportType::Nostr,
+            target: nprofile_bech32,
+            tags: Some(vec![vec!["n".to_string(), "17".to_string()]]),
+        };
+
+        // Build the PaymentRequest with this wallet's mint and unit
+        let mint_url = self.mint_url()?;
+        if params.unit != self.unit {
+            return Err(Error::InvalidInput);
+        }
+        let unit = CurrencyUnit::from_str(&self.unit)
+            .unwrap_or(CurrencyUnit::Custom(self.unit.clone()));
+
+        let pr = CdkPaymentRequest {
+            payment_id: None,
+            amount: params.amount.map(Amount::from),
+            unit: Some(unit.clone()),
+            single_use: Some(true),
+            mints: Some(vec![mint_url.clone()]),
+            description: params.description,
+            transports: vec![nostr_transport],
+            nut10: None,
+        };
+
+        // Encode both formats
+        let creq_a = pr.to_string(); // NUT-18: creqA...
+        let creq_b = pr
+            .to_bech32_string()
+            .map_err(|e| Error::Cdk(format!("Bech32m encoding failed: {e}")))?;
+
+        let pubkey = keys.public_key;
+        Ok(CreatedPaymentRequest {
+            creq_a,
+            creq_b,
+            listener_handle: NostrListenerHandle {
+                keys,
+                pubkey,
+                relays: params.nostr_relays,
+                expected_amount: params.amount.map(Amount::from),
+                expected_unit: unit,
+                mint_url,
+            },
+        })
+    }
+
+    /// Wait for an incoming Nostr payment (NIP-17 gift-wrap).
+    ///
+    /// Takes the opaque NostrListenerHandle returned by create_payment_request().
+    /// The secret key never leaves Rust memory.
+    pub async fn wait_for_nostr_payment(
+        &self,
+        handle: NostrListenerHandle,
+        sink: StreamSink<NostrPaymentEvent>,
+    ) -> Result<(), Error> {
+        let NostrListenerHandle {
+            keys,
+            pubkey,
+            relays,
+            expected_amount,
+            expected_unit,
+            mint_url,
+        } = handle;
+
+        // Fail fast if the handle was created for a different wallet
+        let current_mint = self.mint_url()?;
+        let current_unit = CurrencyUnit::from_str(&self.unit)
+            .unwrap_or(CurrencyUnit::Custom(self.unit.clone()));
+        if mint_url != current_mint || expected_unit != current_unit {
+            return Err(Error::InvalidInput);
+        }
+
+        if sink
+            .add(NostrPaymentEvent {
+                state: NostrPaymentState::Waiting,
+                amount: None,
+                error: None,
+            })
+            .is_err()
+        {
+            return Ok(());
+        }
+
+        let _self = self.clone();
+        flutter_rust_bridge::spawn(async move {
+            match wait_for_nostr_payment_inner(
+                &_self, keys, pubkey, relays, expected_amount, expected_unit, mint_url, &sink,
+            )
+            .await
+            {
+                Ok(amount) => {
+                    let _ = sink.add(NostrPaymentEvent {
+                        state: NostrPaymentState::Received,
+                        amount: Some(amount.into()),
+                        error: None,
+                    });
+                    _self.update_balance_streams().await;
+                }
+                Err(e) => {
+                    let _ = sink.add(NostrPaymentEvent {
+                        state: NostrPaymentState::Error,
+                        amount: None,
+                        error: Some(e.to_string()),
+                    });
+                }
+            }
+        });
+
+        Ok(())
+    }
+}
+
+/// Internal: connect to relays, listen for gift-wrapped payment, receive tokens.
+/// Validates incoming payments against expected amount/unit/mint before accepting.
+/// Periodically checks if the Dart stream is still alive and disconnects if not.
+#[allow(clippy::too_many_arguments)]
+async fn wait_for_nostr_payment_inner(
+    wallet: &Wallet,
+    keys: NostrKeys,
+    pubkey: PublicKey,
+    relays: Vec<String>,
+    expected_amount: Option<Amount>,
+    expected_unit: CurrencyUnit,
+    expected_mint: MintUrl,
+    sink: &StreamSink<NostrPaymentEvent>,
+) -> Result<Amount, Error> {
+    use cdk::nuts::{nut00::ProofsMethods, PaymentRequestPayload, Token as CdkToken};
+    use nostr_sdk::{Client, Filter, Kind};
+    use std::time::Duration;
+
+    // Create Nostr client with ephemeral keys
+    let client = Client::new(keys.clone());
+    for relay in &relays {
+        client
+            .add_read_relay(relay)
+            .await
+            .map_err(|e| Error::Cdk(format!("Failed to add relay {relay}: {e}")))?;
+    }
+
+    // Connect with timeout so we fail fast if relays are unreachable
+    tokio::time::timeout(Duration::from_secs(10), client.connect())
+        .await
+        .map_err(|_| Error::Network("Relay connection timed out".to_string()))?;
+
+    // Subscribe to NIP-17 gift-wrap events (kind 1059) addressed to our ephemeral pubkey
+    let filter = Filter::new().pubkey(pubkey).kind(Kind::GiftWrap);
+    client
+        .subscribe(filter, None)
+        .await
+        .map_err(|e| Error::Cdk(format!("Subscription failed: {e}")))?;
+
+    // Listen for notifications with periodic cancellation check.
+    // Every 1s we check if the Dart stream is still alive by attempting
+    // a sink.add(). If it fails, the Dart side disposed the stream and
+    // we disconnect cleanly. Short interval minimizes "Fail to post" spam.
+    let mut notifications = client.notifications();
+    loop {
+        match tokio::time::timeout(Duration::from_secs(1), notifications.recv()).await {
+            Ok(Ok(notification)) => {
+                // Check sink is alive before processing
+                if sink
+                    .add(NostrPaymentEvent {
+                        state: NostrPaymentState::Waiting,
+                        amount: None,
+                        error: None,
+                    })
+                    .is_err()
+                {
+                    client.disconnect().await;
+                    return Err(Error::Network("Listener cancelled by client".to_string()));
+                }
+
+                if let nostr_sdk::RelayPoolNotification::Event { event, .. } = notification {
+                    // Try to unwrap NIP-17 gift-wrap
+                    let unwrapped = match client.unwrap_gift_wrap(&event).await {
+                        Ok(rumor) => rumor,
+                        Err(_) => continue,
+                    };
+
+                    // Parse PaymentRequestPayload from the rumor content
+                    let payload: PaymentRequestPayload =
+                        match serde_json::from_str(&unwrapped.rumor.content) {
+                            Ok(p) => p,
+                            Err(_) => continue,
+                        };
+
+                    // Validate unit matches
+                    if payload.unit != expected_unit {
+                        log::warn!(
+                            "Ignoring payment: unit mismatch (expected {}, got {})",
+                            expected_unit,
+                            payload.unit
+                        );
+                        continue;
+                    }
+
+                    // Validate mint matches
+                    if payload.mint != expected_mint {
+                        log::warn!(
+                            "Ignoring payment: mint mismatch (expected {}, got {})",
+                            expected_mint,
+                            payload.mint
+                        );
+                        continue;
+                    }
+
+                    // Validate amount if a specific amount was requested
+                    if let Some(expected) = expected_amount {
+                        let received_amount = payload.proofs.total_amount().unwrap_or_default();
+                        if received_amount < expected {
+                            log::warn!(
+                                "Ignoring payment: underpayment (expected {}, got {})",
+                                expected,
+                                received_amount
+                            );
+                            continue;
+                        }
+                    }
+
+                    // Build a token from the validated payload and receive it
+                    let token = CdkToken::new(
+                        payload.mint,
+                        payload.proofs,
+                        payload.memo,
+                        payload.unit,
+                    );
+                    let token_str = token.to_string();
+
+                    // Continue listening on receive errors (e.g. already-spent proofs)
+                    match wallet
+                        .inner
+                        .receive(&token_str, CdkReceiveOptions::default())
+                        .await
+                    {
+                        Ok(received) => {
+                            client.disconnect().await;
+                            return Ok(received);
+                        }
+                        Err(e) => {
+                            log::warn!("Failed to receive token, continuing: {e}");
+                            continue;
+                        }
+                    }
+                }
+            }
+            Ok(Err(_)) => {
+                // Notification channel closed
+                break;
+            }
+            Err(_) => {
+                // Timeout — check if the Dart stream is still alive
+                if sink
+                    .add(NostrPaymentEvent {
+                        state: NostrPaymentState::Waiting,
+                        amount: None,
+                        error: None,
+                    })
+                    .is_err()
+                {
+                    // Dart side cancelled the stream, clean up
+                    client.disconnect().await;
+                    return Err(Error::Network("Listener cancelled by client".to_string()));
+                }
+            }
+        }
+    }
+
+    client.disconnect().await;
+    Err(Error::Network(
+        "Nostr listener ended before a payment was received".to_string(),
+    ))
+}

rust/src/api/wallet.rs

@@ -45,7 +45,7 @@ pub struct Wallet {
     pub unit: String,
 
     balance_broadcast: broadcast::Sender<u64>,
-    inner: CdkWallet,
+    pub(crate) inner: CdkWallet,
     seed: [u8; 64],
 }
 
@@ -179,12 +179,33 @@ impl Wallet {
             .inner
             .mint_quote(PaymentMethod::BOLT11, Some(amount.into()), description, None)
             .await?;
-        let _ = sink.add(MintQuote::from(quote.clone()));
+
+        if sink.add(MintQuote::from(quote.clone())).is_err() {
+            return Ok(());
+        }
 
         let _self = self.clone();
         flutter_rust_bridge::spawn(async move {
             loop {
                 sleep(Duration::from_secs(3)).await;
+
+                // Check if the Dart stream is still alive before polling
+                if sink
+                    .add(MintQuote {
+                        id: quote.id.clone(),
+                        request: quote.request.clone(),
+                        amount: quote.amount.map(|a| a.into()),
+                        expiry: Some(quote.expiry),
+                        state: MintQuoteState::Unpaid,
+                        token: None,
+                        error: None,
+                    })
+                    .is_err()
+                {
+                    info!("Mint polling stopped: Dart stream closed for {}", quote.id);
+                    break;
+                }
+
                 info!("Checking mint quote state for {}", quote.id);
                 match _self.inner.check_mint_quote_status(&quote.id).await {
                     Ok(state_res) => match state_res.state {
@@ -383,7 +404,7 @@ impl Wallet {
 
     // === Internal helpers ===
 
-    fn mint_url(&self) -> Result<MintUrl, Error> {
+    pub(crate) fn mint_url(&self) -> Result<MintUrl, Error> {
         Ok(MintUrl::from_str(&self.mint_url)?)
     }
 
@@ -391,7 +412,7 @@ impl Wallet {
         CurrencyUnit::from_str(&self.unit).unwrap_or(CurrencyUnit::Custom(self.unit.clone()))
     }
 
-    async fn update_balance_streams(&self) {
+    pub(crate) async fn update_balance_streams(&self) {
         let balance = self
             .inner
             .total_balance()