diff options
Diffstat (limited to 'src/testing/testing_api_cmd_recoup_refresh.c')
| -rw-r--r-- | src/testing/testing_api_cmd_recoup_refresh.c | 441 |
1 files changed, 441 insertions, 0 deletions
diff --git a/src/testing/testing_api_cmd_recoup_refresh.c b/src/testing/testing_api_cmd_recoup_refresh.c new file mode 100644 index 000000000..68d267be4 --- /dev/null +++ b/src/testing/testing_api_cmd_recoup_refresh.c @@ -0,0 +1,441 @@ +/* + This file is part of TALER + Copyright (C) 2014-2022 Taler Systems SA + + TALER is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 3, or + (at your option) any later version. + + TALER is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public + License along with TALER; see the file COPYING. If not, see + <http://www.gnu.org/licenses/> +*/ +/** + * @file testing/testing_api_cmd_recoup_refresh.c + * @brief Implement the /recoup-refresh test command. + * @author Marcello Stanisci + */ +#include "platform.h" +#include "taler_json_lib.h" +#include <gnunet/gnunet_curl_lib.h> +#include "taler_testing_lib.h" + + +/** + * State for a "pay back" CMD. + */ +struct RecoupRefreshState +{ + /** + * Expected HTTP status code. + */ + unsigned int expected_response_code; + + /** + * Command that offers a reserve private key, + * plus a coin to be paid back. + */ + const char *coin_reference; + + /** + * Entry in the old coin's history generated by this operation. + */ + struct TALER_EXCHANGE_CoinHistoryEntry che_old; + + /** + * Entry in the recouped coin's history generated by this operation. + */ + struct TALER_EXCHANGE_CoinHistoryEntry che_new; + + /** + * Public key of the refunded coin. + */ + struct TALER_CoinSpendPublicKeyP coin_pub_old; + + /** + * Public key of the refunded coin. + */ + struct TALER_CoinSpendPublicKeyP coin_pub_new; + + /** + * Amount to be recouped. + */ + struct TALER_Amount amount; + + /** + * The interpreter state. + */ + struct TALER_TESTING_Interpreter *is; + + /** + * Handle to the ongoing operation. + */ + struct TALER_EXCHANGE_RecoupRefreshHandle *ph; + + /** + * NULL if coin was not refreshed, otherwise reference + * to the melt operation underlying @a coin_reference. + */ + const char *melt_reference; + +}; + + +/** + * Check the result of the recoup_refresh request: checks whether + * the HTTP response code is good, and that the coin that + * was paid back belonged to the right old coin. + * + * @param cls closure + * @param rrr response details + */ +static void +recoup_refresh_cb (void *cls, + const struct TALER_EXCHANGE_RecoupRefreshResponse *rrr) +{ + struct RecoupRefreshState *rrs = cls; + const struct TALER_EXCHANGE_HttpResponse *hr = &rrr->hr; + struct TALER_TESTING_Interpreter *is = rrs->is; + char *cref; + unsigned int idx; + + rrs->ph = NULL; + if (rrs->expected_response_code != hr->http_status) + { + TALER_TESTING_unexpected_status (is, + hr->http_status, + rrs->expected_response_code); + return; + } + + if (GNUNET_OK != + TALER_TESTING_parse_coin_reference ( + rrs->coin_reference, + &cref, + &idx)) + { + TALER_TESTING_interpreter_fail (is); + return; + } + (void) idx; /* do NOT use! We ignore 'idx', must be 0 for melt! */ + + GNUNET_free (cref); + switch (hr->http_status) + { + case MHD_HTTP_OK: + /* check old_coin_pub */ + { + const struct TALER_TESTING_Command *melt_cmd; + const struct TALER_CoinSpendPrivateKeyP *dirty_priv; + struct TALER_CoinSpendPublicKeyP oc; + + melt_cmd = TALER_TESTING_interpreter_lookup_command (is, + rrs->melt_reference); + if (NULL == melt_cmd) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_coin_priv (melt_cmd, + 0, + &dirty_priv)) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Coin %u not found in command %s\n", + 0, + rrs->melt_reference); + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + GNUNET_CRYPTO_eddsa_key_get_public (&dirty_priv->eddsa_priv, + &oc.eddsa_pub); + if (0 != GNUNET_memcmp (&oc, + &rrr->details.ok.old_coin_pub)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + } + break; + case MHD_HTTP_NOT_FOUND: + break; + case MHD_HTTP_CONFLICT: + break; + default: + GNUNET_log (GNUNET_ERROR_TYPE_WARNING, + "Unmanaged HTTP status code %u/%d.\n", + hr->http_status, + (int) hr->ec); + break; + } + TALER_TESTING_interpreter_next (is); +} + + +/** + * Run the command. + * + * @param cls closure. + * @param cmd the command to execute. + * @param is the interpreter state. + */ +static void +recoup_refresh_run (void *cls, + const struct TALER_TESTING_Command *cmd, + struct TALER_TESTING_Interpreter *is) +{ + struct RecoupRefreshState *rrs = cls; + const struct TALER_TESTING_Command *coin_cmd; + const struct TALER_TESTING_Command *melt_cmd; + const struct TALER_CoinSpendPrivateKeyP *coin_priv; + const struct TALER_CoinSpendPrivateKeyP *coin_priv_old; + const struct TALER_EXCHANGE_DenomPublicKey *denom_pub; + const struct TALER_DenominationSignature *coin_sig; + const struct TALER_RefreshMasterSecretP *rplanchet; + const struct TALER_PlanchetMasterSecretP *planchet; + const struct TALER_ExchangeWithdrawValues *ewv; + char *cref; + unsigned int idx; + struct TALER_DenominationHashP h_denom_pub; + + rrs->is = is; + if (GNUNET_OK != + TALER_TESTING_parse_coin_reference ( + rrs->coin_reference, + &cref, + &idx)) + { + TALER_TESTING_interpreter_fail (is); + return; + } + + coin_cmd = TALER_TESTING_interpreter_lookup_command (is, + cref); + GNUNET_free (cref); + if (NULL == coin_cmd) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + melt_cmd = TALER_TESTING_interpreter_lookup_command (is, + rrs->melt_reference); + if (NULL == melt_cmd) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_coin_priv (coin_cmd, + idx, + &coin_priv)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_coin_priv (melt_cmd, + 0, + &coin_priv_old)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + GNUNET_CRYPTO_eddsa_key_get_public ( + &coin_priv->eddsa_priv, + &rrs->coin_pub_new.eddsa_pub); + GNUNET_CRYPTO_eddsa_key_get_public ( + &coin_priv_old->eddsa_priv, + &rrs->coin_pub_old.eddsa_pub); + + if (GNUNET_OK != + TALER_TESTING_get_trait_exchange_wd_value (melt_cmd, + idx, + &ewv)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_planchet_secrets (coin_cmd, + idx, + &planchet)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_refresh_secret (melt_cmd, + &rplanchet)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_denom_pub (coin_cmd, + idx, + &denom_pub)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + if (GNUNET_OK != + TALER_TESTING_get_trait_denom_sig (coin_cmd, + idx, + &coin_sig)) + { + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Trying to recoup_refresh denomination '%s'\n", + TALER_B2S (&denom_pub->h_key)); + rrs->che_old.type + = TALER_EXCHANGE_CTT_OLD_COIN_RECOUP; + rrs->che_old.amount + = rrs->amount; + rrs->che_old.details.old_coin_recoup.new_coin_pub + = rrs->coin_pub_new; + rrs->che_new.type + = TALER_EXCHANGE_CTT_RECOUP_REFRESH; + rrs->che_new.amount + = rrs->amount; + rrs->che_new.details.recoup_refresh.old_coin_pub + = rrs->coin_pub_old; + TALER_planchet_blinding_secret_create ( + planchet, + ewv, + &rrs->che_new.details.recoup_refresh.coin_bks); + TALER_denom_pub_hash (&denom_pub->key, + &h_denom_pub); + TALER_wallet_recoup_refresh_sign ( + &h_denom_pub, + &rrs->che_new.details.recoup_refresh.coin_bks, + coin_priv, + &rrs->che_new.details.recoup_refresh.coin_sig); + rrs->ph = TALER_EXCHANGE_recoup_refresh ( + TALER_TESTING_interpreter_get_context (is), + TALER_TESTING_get_exchange_url (is), + TALER_TESTING_get_keys (is), + denom_pub, + coin_sig, + ewv, + rplanchet, + planchet, + idx, + &recoup_refresh_cb, + rrs); + GNUNET_assert (NULL != rrs->ph); +} + + +/** + * Cleanup the "recoup_refresh" CMD state, and possibly cancel + * a pending operation thereof. + * + * @param cls closure. + * @param cmd the command which is being cleaned up. + */ +static void +recoup_refresh_cleanup (void *cls, + const struct TALER_TESTING_Command *cmd) +{ + struct RecoupRefreshState *rrs = cls; + if (NULL != rrs->ph) + { + TALER_EXCHANGE_recoup_refresh_cancel (rrs->ph); + rrs->ph = NULL; + } + GNUNET_free (rrs); +} + + +/** + * Offer internal data from a "recoup-refresh" CMD state to other + * commands. + * + * @param cls closure + * @param[out] ret result (could be anything) + * @param trait name of the trait + * @param index index number of the object to offer. + * @return #GNUNET_OK on success + */ +static enum GNUNET_GenericReturnValue +recoup_refresh_traits (void *cls, + const void **ret, + const char *trait, + unsigned int index) +{ + struct RecoupRefreshState *rrs = cls; + struct TALER_TESTING_Trait traits[] = { + TALER_TESTING_make_trait_coin_history (0, + &rrs->che_old), + TALER_TESTING_make_trait_coin_pub (0, + &rrs->coin_pub_old), + TALER_TESTING_make_trait_coin_history (1, + &rrs->che_new), + TALER_TESTING_make_trait_coin_pub (1, + &rrs->coin_pub_new), + TALER_TESTING_trait_end () + }; + + return TALER_TESTING_get_trait (traits, + ret, + trait, + index); +} + + +struct TALER_TESTING_Command +TALER_TESTING_cmd_recoup_refresh (const char *label, + unsigned int expected_response_code, + const char *coin_reference, + const char *melt_reference, + const char *amount) +{ + struct RecoupRefreshState *rrs; + + rrs = GNUNET_new (struct RecoupRefreshState); + rrs->expected_response_code = expected_response_code; + rrs->coin_reference = coin_reference; + rrs->melt_reference = melt_reference; + if (GNUNET_OK != + TALER_string_to_amount (amount, + &rrs->amount)) + { + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Failed to parse amount `%s' at %s\n", + amount, + label); + GNUNET_assert (0); + } + { + struct TALER_TESTING_Command cmd = { + .cls = rrs, + .label = label, + .run = &recoup_refresh_run, + .cleanup = &recoup_refresh_cleanup, + .traits = &recoup_refresh_traits + }; + + return cmd; + } +} |