merchant

Merchant backend to process payments, run by merchants
Log | Files | Refs | Submodules | README | LICENSE

insert_fountain_withdraw_sig.h (2203B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2026 Taler Systems SA
      4 
      5    TALER is free software; you can redistribute it and/or modify it under the
      6    terms of the GNU General Public License as published by the Free Software
      7    Foundation; either version 3, or (at your option) any later version.
      8 
      9    TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10    WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11    A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
     12 
     13    You should have received a copy of the GNU General Public License along with
     14    TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>.
     15  */
     16 /**
     17  * @file src/include/merchant-database/insert_fountain_withdraw_sig.h
     18  * @brief record one blind signature of a completed fountain withdrawal
     19  */
     20 #ifndef MERCHANT_DATABASE_INSERT_FOUNTAIN_WITHDRAW_SIG_H
     21 #define MERCHANT_DATABASE_INSERT_FOUNTAIN_WITHDRAW_SIG_H
     22 #include "merchantdb_lib.h"
     23 
     24 /**
     25  * Store one blind signature of a withdrawal so that a repeated request
     26  * can be answered from it.  Must run in the same transaction as the
     27  * quota consumption and the issued-token records, holding the fountain
     28  * lock taken by TALER_MERCHANTDB_get_fountain_withdraw().
     29  *
     30  * @param pg database context with the instance selected
     31  * @param fountain_serial authenticated fountain
     32  * @param h_request hash of the request's grants array
     33  * @param grant_index offset of the grant in the request
     34  * @param token_index offset of the signature within that grant
     35  * @param h_issue_pub hash of the issue key used; its family slug and expiry
     36  *        are copied so replay survives deletion of the key or family
     37  * @param blind_sig the blind signature handed to the wallet
     38  * @return database result code; no result if the issue key is gone
     39  */
     40 enum GNUNET_DB_QueryStatus
     41 TALER_MERCHANTDB_insert_fountain_withdraw_sig (
     42   struct TALER_MERCHANTDB_PostgresContext *pg,
     43   uint64_t fountain_serial,
     44   const struct GNUNET_HashCode *h_request,
     45   uint32_t grant_index,
     46   uint32_t token_index,
     47   const struct TALER_TokenIssuePublicKeyHashP *h_issue_pub,
     48   const struct TALER_BlindedTokenIssueSignature *blind_sig);
     49 
     50 #endif