85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
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/*
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This file is part of TALER
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Copyright (C) 2015-2022 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation; either version 3, or (at your option) any later version.
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TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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TALER; see the file COPYING. If not, see
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<http://www.gnu.org/licenses/>
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*/
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/**
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* @file lib/exchange_api_common.h
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* @brief common functions for the exchange API
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* @author Christian Grothoff
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*/
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#ifndef EXCHANGE_API_COMMON_H
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#define EXCHANGE_API_COMMON_H
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#include "taler_json_lib.h"
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/**
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* Check proof of a purse creation conflict.
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*
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* @param cpurse_sig conflicting signature (must
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* not match the signature from the proof)
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* @param purse_pub the public key (must match
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* the signature from the proof)
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* @param proof the proof to check
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* @return #GNUNET_OK if the @a proof is OK for @a purse_pub and conflicts with @a purse_sig
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*/
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enum GNUNET_GenericReturnValue
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TALER_EXCHANGE_check_purse_create_conflict_ (
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const struct TALER_PurseContractSignatureP *cpurse_sig,
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const struct TALER_PurseContractPublicKeyP *purse_pub,
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const json_t *proof);
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/**
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* Check proof of a purse merge conflict.
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*
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* @param cmerge_sig conflicting signature (must
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* not match the signature from the proof)
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* @param merge_pub the public key (must match
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* the signature from the proof)
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* @param exchange_url the base URL of this exchange
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* @param proof the proof to check
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* @return #GNUNET_OK if the @a proof is OK for @a purse_pub and conflicts with @a purse_sig
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*/
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enum GNUNET_GenericReturnValue
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TALER_EXCHANGE_check_purse_merge_conflict_ (
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const struct TALER_PurseMergeSignatureP *cmerge_sig,
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const struct TALER_PurseMergePublicKeyP *merge_pub,
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const struct TALER_PurseContractPublicKeyP *purse_pub,
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const char *exchange_url,
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const json_t *proof);
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/**
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* Check proof of a contract conflict.
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*
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* DESIGN-FIXME: this 'proof' doesn't really proof a conflict!
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*
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* @param ccontract_sig conflicting signature (must
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* not match the signature from the proof)
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* @param purse_pub public key of the purse
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* @param exchange_url the base URL of this exchange
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* @param proof the proof to check
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* @return #GNUNET_OK if the @a proof is OK for @a purse_pub and conflicts with @a purse_sig
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*/
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enum GNUNET_GenericReturnValue
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TALER_EXCHANGE_check_purse_econtract_conflict_ (
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const struct TALER_PurseContractSignatureP *ccontract_sig,
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const struct TALER_PurseContractPublicKeyP *purse_pub,
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const json_t *proof);
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#endif
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