106 lines
3.2 KiB
C
106 lines
3.2 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2014, 2015 GNUnet e.V.
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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 <http://www.gnu.org/licenses/>
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*/
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/**
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* @file include/taler_util_wallet.h
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* @brief Interface for common utility functions for wallets
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* @author Sree Harsha Totakura <sreeharsha@totakura.in>
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*/
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#ifndef TALER_UTIL_H
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#define TALER_UTIL_H
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#include <gnunet/gnunet_util_taler_wallet_lib.h>
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#include "taler_amount_lib.h"
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#include "taler_crypto_lib.h"
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#ifdef __cplusplus
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extern "C"
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{
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#if 0 /* keep Emacsens' auto-indent happy */
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}
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#endif
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#endif
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/* Define logging functions */
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#define TALER_LOG_DEBUG(...) \
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GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, __VA_ARGS__)
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#define TALER_LOG_WARNING(...) \
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GNUNET_log (GNUNET_ERROR_TYPE_WARNING, __VA_ARGS__)
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#define TALER_LOG_ERROR(...) \
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GNUNET_log (GNUNET_ERROR_TYPE_ERROR, __VA_ARGS__)
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/**
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* Tests a given as assertion and if failed prints it as a warning with the
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* given reason
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*
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* @param EXP the expression to test as assertion
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* @param reason string to print as warning
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*/
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#define TALER_assert_as(EXP, reason) \
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do { \
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if (EXP) break; \
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TALER_LOG_ERROR("%s at %s:%d\n", reason, __FILE__, __LINE__); \
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abort(); \
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} while(0)
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/**
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* Log an error message at log-level 'level' that indicates
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* a failure of the command 'cmd' with the message given
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* by gcry_strerror(rc).
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*/
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#define TALER_LOG_GCRY_ERROR(cmd, rc) do { TALER_LOG_ERROR("`%s' failed at %s:%d with error: %s\n", cmd, __FILE__, __LINE__, gcry_strerror(rc)); } while(0)
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#define TALER_gcry_ok(cmd) \
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do {int rc; rc = cmd; if (!rc) break; TALER_LOG_ERROR("A Gcrypt call failed at %s:%d with error: %s\n", __FILE__, __LINE__, gcry_strerror(rc)); abort(); } while (0)
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/**
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* Initialize Gcrypt library.
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*/
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void
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TALER_gcrypt_init (void);
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/**
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* Obtain denomination amount from configuration file.
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*
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* @param section section of the configuration to access
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* @param option option of the configuration to access
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* @param[out] denom set to the amount found in configuration
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* @return #GNUNET_OK on success, #GNUNET_SYSERR on error
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*/
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int
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TALER_config_get_denom (struct GNUNET_CONFIGURATION_Handle *cfg,
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const char *section,
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const char *option,
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struct TALER_Amount *denom);
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#if 0 /* keep Emacsens' auto-indent happy */
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{
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif
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