352 lines
9.6 KiB
C
352 lines
9.6 KiB
C
/*
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This file is part of TALER
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Copyright (C) 2014-2022 Taler Systems SA
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TALER is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3, or
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(at your option) any later version.
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TALER is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public
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License along with 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 testing/testing_api_cmd_recoup_refresh.c
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* @brief Implement the /recoup-refresh test command.
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* @author Marcello Stanisci
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*/
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#include "platform.h"
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#include "taler_json_lib.h"
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#include <gnunet/gnunet_curl_lib.h>
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#include "taler_testing_lib.h"
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/**
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* State for a "pay back" CMD.
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*/
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struct RecoupRefreshState
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{
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/**
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* Expected HTTP status code.
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*/
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unsigned int expected_response_code;
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/**
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* Command that offers a reserve private key,
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* plus a coin to be paid back.
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*/
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const char *coin_reference;
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/**
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* Amount to be recouped.
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*/
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struct TALER_Amount amount;
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/**
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* The interpreter state.
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*/
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struct TALER_TESTING_Interpreter *is;
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/**
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* Handle to the ongoing operation.
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*/
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struct TALER_EXCHANGE_RecoupRefreshHandle *ph;
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/**
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* NULL if coin was not refreshed, otherwise reference
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* to the melt operation underlying @a coin_reference.
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*/
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const char *melt_reference;
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};
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/**
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* Check the result of the recoup_refresh request: checks whether
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* the HTTP response code is good, and that the coin that
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* was paid back belonged to the right old coin.
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*
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* @param cls closure
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* @param hr HTTP response details
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* @param old_coin_pub public key of the dirty coin
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*/
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static void
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recoup_refresh_cb (void *cls,
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const struct TALER_EXCHANGE_HttpResponse *hr,
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const struct TALER_CoinSpendPublicKeyP *old_coin_pub)
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{
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struct RecoupRefreshState *rrs = cls;
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struct TALER_TESTING_Interpreter *is = rrs->is;
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struct TALER_TESTING_Command *cmd = &is->commands[is->ip];
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char *cref;
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unsigned int idx;
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rrs->ph = NULL;
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if (rrs->expected_response_code != hr->http_status)
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{
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GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
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"Unexpected response code %u/%d to command %s in %s:%u\n",
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hr->http_status,
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(int) hr->ec,
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cmd->label,
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__FILE__,
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__LINE__);
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json_dumpf (hr->reply,
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stderr,
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0);
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fprintf (stderr, "\n");
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_parse_coin_reference (
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rrs->coin_reference,
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&cref,
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&idx))
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{
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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(void) idx; /* do NOT use! We ignore 'idx', must be 0 for melt! */
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GNUNET_free (cref);
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switch (hr->http_status)
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{
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case MHD_HTTP_OK:
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/* check old_coin_pub */
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{
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const struct TALER_TESTING_Command *melt_cmd;
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const struct TALER_CoinSpendPrivateKeyP *dirty_priv;
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struct TALER_CoinSpendPublicKeyP oc;
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melt_cmd = TALER_TESTING_interpreter_lookup_command (is,
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rrs->melt_reference);
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if (NULL == melt_cmd)
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_coin_priv (melt_cmd,
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0,
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&dirty_priv))
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{
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GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
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"Coin %u not found in command %s\n",
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0,
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rrs->melt_reference);
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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GNUNET_CRYPTO_eddsa_key_get_public (&dirty_priv->eddsa_priv,
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&oc.eddsa_pub);
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if (0 != GNUNET_memcmp (&oc,
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old_coin_pub))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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}
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break;
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case MHD_HTTP_NOT_FOUND:
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break;
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case MHD_HTTP_CONFLICT:
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break;
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default:
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GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
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"Unmanaged HTTP status code %u/%d.\n",
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hr->http_status,
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(int) hr->ec);
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break;
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}
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TALER_TESTING_interpreter_next (is);
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}
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/**
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* Run the command.
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*
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* @param cls closure.
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* @param cmd the command to execute.
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* @param is the interpreter state.
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*/
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static void
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recoup_refresh_run (void *cls,
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const struct TALER_TESTING_Command *cmd,
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struct TALER_TESTING_Interpreter *is)
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{
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struct RecoupRefreshState *rrs = cls;
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const struct TALER_TESTING_Command *coin_cmd;
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const struct TALER_TESTING_Command *melt_cmd;
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const struct TALER_CoinSpendPrivateKeyP *coin_priv;
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const struct TALER_EXCHANGE_DenomPublicKey *denom_pub;
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const struct TALER_DenominationSignature *coin_sig;
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const struct TALER_RefreshMasterSecretP *rplanchet;
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const struct TALER_PlanchetMasterSecretP *planchet;
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const struct TALER_ExchangeWithdrawValues *ewv;
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char *cref;
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unsigned int idx;
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rrs->is = is;
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if (GNUNET_OK !=
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TALER_TESTING_parse_coin_reference (
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rrs->coin_reference,
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&cref,
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&idx))
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{
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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coin_cmd = TALER_TESTING_interpreter_lookup_command (is,
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cref);
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GNUNET_free (cref);
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if (NULL == coin_cmd)
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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melt_cmd = TALER_TESTING_interpreter_lookup_command (is,
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rrs->melt_reference);
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if (NULL == melt_cmd)
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_coin_priv (coin_cmd,
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idx,
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&coin_priv))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_exchange_wd_value (melt_cmd,
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idx,
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&ewv))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_planchet_secrets (coin_cmd,
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idx,
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&planchet))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_refresh_secret (melt_cmd,
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&rplanchet))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_denom_pub (coin_cmd,
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idx,
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&denom_pub))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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if (GNUNET_OK !=
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TALER_TESTING_get_trait_denom_sig (coin_cmd,
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idx,
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&coin_sig))
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{
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GNUNET_break (0);
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TALER_TESTING_interpreter_fail (is);
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return;
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}
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GNUNET_log (GNUNET_ERROR_TYPE_INFO,
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"Trying to recoup_refresh denomination '%s'\n",
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TALER_B2S (&denom_pub->h_key));
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rrs->ph = TALER_EXCHANGE_recoup_refresh (is->exchange,
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denom_pub,
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coin_sig,
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ewv,
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rplanchet,
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planchet,
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idx,
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&recoup_refresh_cb,
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rrs);
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GNUNET_assert (NULL != rrs->ph);
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}
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/**
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* Cleanup the "recoup_refresh" CMD state, and possibly cancel
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* a pending operation thereof.
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*
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* @param cls closure.
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* @param cmd the command which is being cleaned up.
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*/
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static void
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recoup_refresh_cleanup (void *cls,
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const struct TALER_TESTING_Command *cmd)
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{
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struct RecoupRefreshState *rrs = cls;
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if (NULL != rrs->ph)
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{
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TALER_EXCHANGE_recoup_refresh_cancel (rrs->ph);
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rrs->ph = NULL;
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}
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GNUNET_free (rrs);
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}
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struct TALER_TESTING_Command
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TALER_TESTING_cmd_recoup_refresh (const char *label,
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unsigned int expected_response_code,
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const char *coin_reference,
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const char *melt_reference,
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const char *amount)
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{
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struct RecoupRefreshState *rrs;
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rrs = GNUNET_new (struct RecoupRefreshState);
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rrs->expected_response_code = expected_response_code;
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rrs->coin_reference = coin_reference;
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rrs->melt_reference = melt_reference;
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if (GNUNET_OK !=
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TALER_string_to_amount (amount,
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&rrs->amount))
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{
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GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
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"Failed to parse amount `%s' at %s\n",
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amount,
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label);
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GNUNET_assert (0);
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}
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{
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struct TALER_TESTING_Command cmd = {
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.cls = rrs,
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.label = label,
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.run = &recoup_refresh_run,
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.cleanup = &recoup_refresh_cleanup
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};
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return cmd;
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}
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}
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