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cashu token fixed

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2026-03-21 09:14:02 -04:00
parent f470759b96
commit 2fe36acde4
1 changed files with 33 additions and 6 deletions
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39
nostr_core/cashu_mint.c
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@@ -1632,12 +1632,26 @@ static int cashu_encode_token_b(const cashu_decoded_token_t* token,
if (rc != NOSTR_SUCCESS) goto fail;
const char* inherited_id = token->proofs[0].id;
size_t inherited_id_hex_len = inherited_id ? strlen(inherited_id) : 0;
if (!inherited_id || inherited_id_hex_len == 0 || (inherited_id_hex_len % 2) != 0 ||
!cashu_is_hex_string_len(inherited_id, inherited_id_hex_len) ||
inherited_id_hex_len > (NOSTR_CASHU_KEYSET_ID_HEX_SIZE - 1)) {
rc = NOSTR_ERROR_INVALID_INPUT;
goto fail;
}
unsigned char inherited_id_bytes[(NOSTR_CASHU_KEYSET_ID_HEX_SIZE - 1) / 2] = {0};
size_t inherited_id_byte_len = inherited_id_hex_len / 2;
if (nostr_hex_to_bytes(inherited_id, inherited_id_bytes, inherited_id_byte_len) != 0) {
rc = NOSTR_ERROR_INVALID_INPUT;
goto fail;
}
rc = cashu_cbor_write_type_uint(&b, 5, 2);
if (rc != NOSTR_SUCCESS) goto fail;
rc = cashu_cbor_write_text(&b, "i");
if (rc != NOSTR_SUCCESS) goto fail;
rc = cashu_cbor_write_text(&b, inherited_id);
rc = cashu_cbor_write_bytes(&b, inherited_id_bytes, inherited_id_byte_len);
if (rc != NOSTR_SUCCESS) goto fail;
rc = cashu_cbor_write_text(&b, "p");
@@ -1655,9 +1669,24 @@ static int cashu_encode_token_b(const cashu_decoded_token_t* token,
if (rc != NOSTR_SUCCESS) goto fail;
if (has_local_id) {
size_t local_id_hex_len = p->id ? strlen(p->id) : 0;
if (!p->id || local_id_hex_len == 0 || (local_id_hex_len % 2) != 0 ||
!cashu_is_hex_string_len(p->id, local_id_hex_len) ||
local_id_hex_len > (NOSTR_CASHU_KEYSET_ID_HEX_SIZE - 1)) {
rc = NOSTR_ERROR_INVALID_INPUT;
goto fail;
}
unsigned char local_id_bytes[(NOSTR_CASHU_KEYSET_ID_HEX_SIZE - 1) / 2] = {0};
size_t local_id_byte_len = local_id_hex_len / 2;
if (nostr_hex_to_bytes(p->id, local_id_bytes, local_id_byte_len) != 0) {
rc = NOSTR_ERROR_INVALID_INPUT;
goto fail;
}
rc = cashu_cbor_write_text(&b, "i");
if (rc != NOSTR_SUCCESS) goto fail;
rc = cashu_cbor_write_text(&b, p->id);
rc = cashu_cbor_write_bytes(&b, local_id_bytes, local_id_byte_len);
if (rc != NOSTR_SUCCESS) goto fail;
}
@@ -1671,17 +1700,15 @@ static int cashu_encode_token_b(const cashu_decoded_token_t* token,
goto fail;
}
unsigned char secret_bytes[32] = {0};
unsigned char C_bytes[33] = {0};
if (nostr_hex_to_bytes(p->secret, secret_bytes, 32) != 0 ||
nostr_hex_to_bytes(p->C, C_bytes, 33) != 0) {
if (nostr_hex_to_bytes(p->C, C_bytes, 33) != 0) {
rc = NOSTR_ERROR_INVALID_INPUT;
goto fail;
}
rc = cashu_cbor_write_text(&b, "s");
if (rc != NOSTR_SUCCESS) goto fail;
rc = cashu_cbor_write_bytes(&b, secret_bytes, sizeof(secret_bytes));
rc = cashu_cbor_write_text(&b, p->secret);
if (rc != NOSTR_SUCCESS) goto fail;
rc = cashu_cbor_write_text(&b, "c");