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1 : /* 2 : This file is part of TALER 3 : (C) 2024 Taler Systems SA 4 : 5 : TALER is free software; you can redistribute it and/or modify it under the 6 : terms of the GNU Lesser 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 taler-merchant-httpd_contract.c 18 : * @brief shared logic for contract terms handling 19 : * @author Christian Blättler 20 : */ 21 : #include "platform.h" 22 : #include <gnunet/gnunet_common.h> 23 : #include <jansson.h> 24 : #include <stdint.h> 25 : #include <taler/taler_json_lib.h> 26 : #include "taler-merchant-httpd_contract.h" 27 : 28 : 29 : enum GNUNET_GenericReturnValue 30 0 : TMH_find_token_family_key ( 31 : const char *slug, 32 : struct GNUNET_TIME_Timestamp valid_after, 33 : const struct TALER_MERCHANT_ContractTokenFamily *families, 34 : unsigned int families_len, 35 : struct TALER_MERCHANT_ContractTokenFamily *family, 36 : struct TALER_MERCHANT_ContractTokenFamilyKey *key) 37 : { 38 0 : for (unsigned int i = 0; i < families_len; i++) 39 : { 40 0 : const struct TALER_MERCHANT_ContractTokenFamily *fami 41 0 : = &families[i]; 42 : 43 0 : if (0 != strcmp (fami->slug, 44 : slug)) 45 0 : continue; 46 0 : if (NULL != family) 47 0 : *family = *fami; 48 0 : for (unsigned int k = 0; k < fami->keys_len; k++) 49 : { 50 0 : struct TALER_MERCHANT_ContractTokenFamilyKey *ki = &fami->keys[k]; 51 : 52 0 : if (GNUNET_TIME_timestamp_cmp (ki->valid_after, 53 : ==, 54 : valid_after)) 55 : { 56 0 : if (NULL != key) 57 0 : *key = *ki; 58 0 : return GNUNET_OK; 59 : } 60 : } 61 : /* matching family found, but no key. */ 62 0 : return GNUNET_NO; 63 : } 64 : 65 : /* no matching family found */ 66 0 : return GNUNET_SYSERR; 67 : }