merchant

Merchant backend to process payments, run by merchants
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pg_lookup_mfa_challenge.h (2338B)


      1 /*
      2    This file is part of TALER
      3    Copyright (C) 2025 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 backenddb/pg_lookup_mfa_challenge.h
     18  * @brief implementation of the lookup_mfa_challenge function for Postgres
     19  * @author Christian Grothoff
     20  */
     21 #ifndef PG_LOOKUP_MFA_CHALLENGE_H
     22 #define PG_LOOKUP_MFA_CHALLENGE_H
     23 
     24 #include <taler/taler_util.h>
     25 #include <taler/taler_json_lib.h>
     26 #include "taler_merchantdb_plugin.h"
     27 
     28 
     29 /**
     30  * Check if a new multi-factor authorization (MFA) challenge
     31  * matching the body exists in the database.
     32  *
     33  * @param cls closure
     34  * @param challenge_id set to the ID of the challenge
     35  * @param h_body hash of the request body
     36  * @param[out] salt salt used to compute @a h_body
     37  * @param[out] required address set to where the challenge is to be send
     38  * @param[out] op operation that triggered the MFA request
     39  * @param[out] confirmation_date when was the challenge solved,
     40  *             set to "GNUNET_TIME_ABSOLUTE_NEVER" if unsolved
     41  * @param[out] retransmission_date set to when a fresh challenge
     42  *             may be transmitted
     43  * @param[out] retry_counter set to the number of attempts that remain
     44  *             for solving the challenge (after this time)
     45  * @param[out] tan_channel which channel was used
     46  * @return database result code
     47  */
     48 enum GNUNET_DB_QueryStatus
     49 TMH_PG_lookup_mfa_challenge (
     50   void *cls,
     51   uint64_t challenge_id,
     52   const struct TALER_MERCHANT_MFA_BodyHash *h_body,
     53   struct TALER_MERCHANT_MFA_BodySalt *salt,
     54   char **required_address,
     55   enum TALER_MERCHANT_MFA_CriticalOperation *op,
     56   struct GNUNET_TIME_Absolute *confirmation_date,
     57   struct GNUNET_TIME_Absolute *retransmission_date,
     58   uint32_t *retry_counter,
     59   enum TALER_MERCHANT_MFA_Channel *tan_channel);
     60 
     61 
     62 #endif