/* This file is part of TALER Copyright (C) 2014-2021 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 */ /** * @file exchangedb/test_exchangedb.c * @brief test cases for DB interaction functions * @author Sree Harsha Totakura * @author Christian Grothoff * @author Marcello Stanisci */ #include "platform.h" #include "taler_exchangedb_lib.h" #include "taler_json_lib.h" #include "taler_exchangedb_plugin.h" /** * Global result from the testcase. */ static int result; /** * Report line of error if @a cond is true, and jump to label "drop". */ #define FAILIF(cond) \ do { \ if (! (cond)) { break;} \ GNUNET_break (0); \ goto drop; \ } while (0) /** * Initializes @a ptr with random data. */ #define RND_BLK(ptr) \ GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, ptr, sizeof (*ptr)) /** * Initializes @a ptr with zeros. */ #define ZR_BLK(ptr) \ memset (ptr, 0, sizeof (*ptr)) /** * Currency we use. Must match test-exchange-db-*.conf. */ #define CURRENCY "EUR" /** * Database plugin under test. */ static struct TALER_EXCHANGEDB_Plugin *plugin; /** * Callback that should never be called. */ static void dead_prepare_cb (void *cls, uint64_t rowid, const char *wire_method, const char *buf, size_t buf_size) { (void) cls; (void) rowid; (void) wire_method; (void) buf; (void) buf_size; GNUNET_assert (0); } /** * Callback that is called with wire prepare data * and then marks it as finished. */ static void mark_prepare_cb (void *cls, uint64_t rowid, const char *wire_method, const char *buf, size_t buf_size) { GNUNET_assert (11 == buf_size); GNUNET_assert (0 == strcasecmp (wire_method, "testcase")); GNUNET_assert (0 == memcmp (buf, "hello world", buf_size)); GNUNET_break (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == plugin->wire_prepare_data_mark_finished (plugin->cls, rowid)); } /** * Test API relating to persisting the wire plugins preparation data. * * @return #GNUNET_OK on success */ static int test_wire_prepare (void) { FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->wire_prepare_data_get (plugin->cls, 0, 1, &dead_prepare_cb, NULL)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->wire_prepare_data_insert (plugin->cls, "testcase", "hello world", 11)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->wire_prepare_data_get (plugin->cls, 0, 1, &mark_prepare_cb, NULL)); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->wire_prepare_data_get (plugin->cls, 0, 1, &dead_prepare_cb, NULL)); return GNUNET_OK; drop: return GNUNET_SYSERR; } /** * Checks if the given reserve has the given amount of balance and expiry * * @param pub the public key of the reserve * @param value balance value * @param fraction balance fraction * @param currency currency of the reserve * @return #GNUNET_OK if the given reserve has the same balance and expiration * as the given parameters; #GNUNET_SYSERR if not */ static enum GNUNET_GenericReturnValue check_reserve (const struct TALER_ReservePublicKeyP *pub, uint64_t value, uint32_t fraction, const char *currency) { struct TALER_EXCHANGEDB_Reserve reserve; struct TALER_EXCHANGEDB_KycStatus kyc; reserve.pub = *pub; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->reserves_get (plugin->cls, &reserve, &kyc)); FAILIF (value != reserve.balance.value); FAILIF (fraction != reserve.balance.fraction); FAILIF (0 != strcmp (currency, reserve.balance.currency)); FAILIF (kyc.ok); return GNUNET_OK; drop: return GNUNET_SYSERR; } struct DenomKeyPair { struct TALER_DenominationPrivateKey priv; struct TALER_DenominationPublicKey pub; }; /** * Destroy a denomination key pair. The key is not necessarily removed from the DB. * * @param dkp the key pair to destroy */ static void destroy_denom_key_pair (struct DenomKeyPair *dkp) { TALER_denom_pub_free (&dkp->pub); TALER_denom_priv_free (&dkp->priv); GNUNET_free (dkp); } /** * Create a denominaiton key pair by registering the denomination in the DB. * * @param size the size of the denomination key * @param now time to use for key generation, legal expiration will be 3h later. * @param fee_withdraw withdraw fee to use * @param fee_deposit deposit fee to use * @param fee_refresh refresh fee to use * @param fee_refund refund fee to use * @return the denominaiton key pair; NULL upon error */ static struct DenomKeyPair * create_denom_key_pair (unsigned int size, struct GNUNET_TIME_Absolute now, const struct TALER_Amount *value, const struct TALER_Amount *fee_withdraw, const struct TALER_Amount *fee_deposit, const struct TALER_Amount *fee_refresh, const struct TALER_Amount *fee_refund) { struct DenomKeyPair *dkp; struct TALER_EXCHANGEDB_DenominationKey dki; struct TALER_EXCHANGEDB_DenominationKeyInformationP issue2; dkp = GNUNET_new (struct DenomKeyPair); dkp->priv.cipher = TALER_DENOMINATION_RSA; dkp->priv.details.rsa_private_key = GNUNET_CRYPTO_rsa_private_key_create ( size); GNUNET_assert (NULL != dkp->priv.details.rsa_private_key); TALER_denom_priv_to_pub (&dkp->priv, 0, /* age mask */ &dkp->pub); /* Using memset() as fields like master key and signature are not properly initialized for this test. */ memset (&dki, 0, sizeof (struct TALER_EXCHANGEDB_DenominationKey)); dki.denom_pub = dkp->pub; GNUNET_TIME_round_abs (&now); dki.issue.properties.start = GNUNET_TIME_absolute_hton (now); dki.issue.properties.expire_withdraw = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (now, GNUNET_TIME_UNIT_HOURS)); dki.issue.properties.expire_deposit = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (now, GNUNET_TIME_relative_multiply ( GNUNET_TIME_UNIT_HOURS, 2))); dki.issue.properties.expire_legal = GNUNET_TIME_absolute_hton (GNUNET_TIME_absolute_add (now, GNUNET_TIME_relative_multiply ( GNUNET_TIME_UNIT_HOURS, 3))); TALER_amount_hton (&dki.issue.properties.value, value); TALER_amount_hton (&dki.issue.properties.fee_withdraw, fee_withdraw); TALER_amount_hton (&dki.issue.properties.fee_deposit, fee_deposit); TALER_amount_hton (&dki.issue.properties.fee_refresh, fee_refresh); TALER_amount_hton (&dki.issue.properties.fee_refund, fee_refund); TALER_denom_pub_hash (&dkp->pub, &dki.issue.properties.denom_hash); dki.issue.properties.purpose.size = htonl (sizeof (struct TALER_DenominationKeyValidityPS)); dki.issue.properties.purpose.purpose = htonl ( TALER_SIGNATURE_MASTER_DENOMINATION_KEY_VALIDITY); if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_denomination_info (plugin->cls, &dki.denom_pub, &dki.issue)) { GNUNET_break (0); destroy_denom_key_pair (dkp); return NULL; } if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_denomination_info (plugin->cls, &dki.issue.properties.denom_hash, &issue2)) { GNUNET_break (0); destroy_denom_key_pair (dkp); return NULL; } if (0 != GNUNET_memcmp (&dki.issue, &issue2)) { GNUNET_break (0); destroy_denom_key_pair (dkp); return NULL; } return dkp; } static struct TALER_Amount value; static struct TALER_Amount fee_withdraw; static struct TALER_Amount fee_deposit; static struct TALER_Amount fee_refresh; static struct TALER_Amount fee_refund; static struct TALER_Amount fee_closing; static struct TALER_Amount amount_with_fee; /** * Number of newly minted coins to use in the test. */ #define MELT_NEW_COINS 5 /** * Which index was 'randomly' chosen for the reveal for the test? */ #define MELT_NOREVEAL_INDEX 1 /** * How big do we make the coin envelopes? */ #define COIN_ENC_MAX_SIZE 512 static struct TALER_EXCHANGEDB_RefreshRevealedCoin *revealed_coins; static struct TALER_TransferPrivateKeyP tprivs[TALER_CNC_KAPPA]; static struct TALER_TransferPublicKeyP tpub; /** * Function called with information about a refresh order. This * one should not be called in a successful test. * * @param cls closure * @param rowid unique serial ID for the row in our database * @param num_freshcoins size of the @a rrcs array * @param rrcs array of @a num_freshcoins information about coins to be created * @param num_tprivs number of entries in @a tprivs, should be #TALER_CNC_KAPPA - 1 * @param tprivs array of @e num_tprivs transfer private keys * @param tp transfer public key information */ static void never_called_cb (void *cls, uint32_t num_freshcoins, const struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrcs, unsigned int num_tprivs, const struct TALER_TransferPrivateKeyP *tprivs, const struct TALER_TransferPublicKeyP *tp) { (void) cls; (void) num_freshcoins; (void) rrcs; (void) num_tprivs; (void) tprivs; (void) tp; GNUNET_assert (0); /* should never be called! */ } /** * Function called with information about a refresh order. * Checks that the response matches what we expect to see. * * @param cls closure * @param rowid unique serial ID for the row in our database * @param num_freshcoins size of the @a rrcs array * @param rrcs array of @a num_freshcoins information about coins to be created * @param num_tprivs number of entries in @a tprivs, should be #TALER_CNC_KAPPA - 1 * @param tprivsr array of @e num_tprivs transfer private keys * @param tpr transfer public key information */ static void check_refresh_reveal_cb ( void *cls, uint32_t num_freshcoins, const struct TALER_EXCHANGEDB_RefreshRevealedCoin *rrcs, unsigned int num_tprivs, const struct TALER_TransferPrivateKeyP *tprivsr, const struct TALER_TransferPublicKeyP *tpr) { (void) cls; /* compare the refresh commit coin arrays */ for (unsigned int cnt = 0; cnt < num_freshcoins; cnt++) { const struct TALER_EXCHANGEDB_RefreshRevealedCoin *acoin = &revealed_coins[cnt]; const struct TALER_EXCHANGEDB_RefreshRevealedCoin *bcoin = &rrcs[cnt]; GNUNET_assert (acoin->coin_ev_size == bcoin->coin_ev_size); GNUNET_assert (0 == GNUNET_memcmp (acoin->coin_ev, bcoin->coin_ev)); GNUNET_assert (0 == TALER_denom_pub_cmp (&acoin->denom_pub, &bcoin->denom_pub)); } GNUNET_assert (0 == GNUNET_memcmp (&tpub, tpr)); GNUNET_assert (0 == memcmp (tprivs, tprivsr, sizeof(struct TALER_TransferPrivateKeyP) * (TALER_CNC_KAPPA - 1))); } /** * Counter used in auditor-related db functions. Used to count * expected rows. */ static unsigned int auditor_row_cnt; /** * Function called with details about coins that were melted, * with the goal of auditing the refresh's execution. * * * @param cls closure * @param rowid unique serial ID for the refresh session in our DB * @param denom_pub denomination of the @a coin_pub * @param coin_pub public key of the coin * @param coin_sig signature from the coin * @param amount_with_fee amount that was deposited including fee * @param num_freshcoins how many coins were issued * @param noreveal_index which index was picked by the exchange in cut-and-choose * @param rc what is the session hash * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static int audit_refresh_session_cb (void *cls, uint64_t rowid, const struct TALER_DenominationPublicKey *denom_pub, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_CoinSpendSignatureP *coin_sig, const struct TALER_Amount *amount_with_fee, uint32_t noreveal_index, const struct TALER_RefreshCommitmentP *rc) { (void) cls; (void) rowid; (void) denom_pub; (void) coin_sig; (void) amount_with_fee; (void) noreveal_index; (void) rc; auditor_row_cnt++; return GNUNET_OK; } /** * Denomination keys used for fresh coins in melt test. */ static struct DenomKeyPair **new_dkp; /** * Function called with the session hashes and transfer secret * information for a given coin. * * @param cls closure * @param transfer_pub public transfer key for the session * @param ldl link data for @a transfer_pub */ static void handle_link_data_cb (void *cls, const struct TALER_TransferPublicKeyP *transfer_pub, const struct TALER_EXCHANGEDB_LinkList *ldl) { (void) cls; (void) transfer_pub; for (const struct TALER_EXCHANGEDB_LinkList *ldlp = ldl; NULL != ldlp; ldlp = ldlp->next) { int found; found = GNUNET_NO; for (unsigned int cnt = 0; cnt < MELT_NEW_COINS; cnt++) { if ( (0 == TALER_denom_pub_cmp (&ldlp->denom_pub, &new_dkp[cnt]->pub)) && (0 == TALER_blinded_denom_sig_cmp (&ldlp->ev_sig, &revealed_coins[cnt].coin_sig)) ) { found = GNUNET_YES; break; } } GNUNET_assert (GNUNET_NO != found); } } /** * Function to test melting of coins as part of a refresh session * * @return #GNUNET_OK if everything went well; #GNUNET_SYSERR if not */ static int test_melting (void) { struct TALER_EXCHANGEDB_Refresh refresh_session; struct TALER_EXCHANGEDB_Melt ret_refresh_session; struct DenomKeyPair *dkp; struct TALER_DenominationPublicKey *new_denom_pubs; int ret; enum GNUNET_DB_QueryStatus qs; struct GNUNET_TIME_Absolute now; ret = GNUNET_SYSERR; RND_BLK (&refresh_session); dkp = NULL; new_dkp = NULL; new_denom_pubs = NULL; /* create and test a refresh session */ refresh_session.noreveal_index = MELT_NOREVEAL_INDEX; /* create a denomination (value: 1; fraction: 100) */ now = GNUNET_TIME_absolute_get (); GNUNET_TIME_round_abs (&now); dkp = create_denom_key_pair (512, now, &value, &fee_withdraw, &fee_deposit, &fee_refresh, &fee_refund); GNUNET_assert (NULL != dkp); /* initialize refresh session melt data */ { struct TALER_CoinPubHash hc; RND_BLK (&refresh_session.coin.coin_pub); TALER_coin_pub_hash (&refresh_session.coin.coin_pub, &hc); refresh_session.coin.denom_sig.cipher = TALER_DENOMINATION_RSA; refresh_session.coin.denom_sig.details.rsa_signature = GNUNET_CRYPTO_rsa_sign_fdh (dkp->priv.details.rsa_private_key, &hc.hash); GNUNET_assert (NULL != refresh_session.coin.denom_sig.details.rsa_signature); TALER_denom_pub_hash (&dkp->pub, &refresh_session.coin.denom_pub_hash); refresh_session.amount_with_fee = amount_with_fee; } /* test insert_melt & get_melt */ FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->get_melt (plugin->cls, &refresh_session.rc, &ret_refresh_session)); FAILIF (TALER_EXCHANGEDB_CKS_ADDED != plugin->ensure_coin_known (plugin->cls, &refresh_session.coin)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_melt (plugin->cls, &refresh_session)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_melt (plugin->cls, &refresh_session.rc, &ret_refresh_session)); FAILIF (refresh_session.noreveal_index != ret_refresh_session.session.noreveal_index); FAILIF (0 != TALER_amount_cmp (&refresh_session.amount_with_fee, &ret_refresh_session.session.amount_with_fee)); FAILIF (0 != TALER_amount_cmp (&fee_refresh, &ret_refresh_session.melt_fee)); FAILIF (0 != GNUNET_memcmp (&refresh_session.rc, &ret_refresh_session.session.rc)); FAILIF (0 != GNUNET_memcmp (&refresh_session.coin_sig, &ret_refresh_session.session.coin_sig)); FAILIF (NULL != ret_refresh_session.session.coin.denom_sig.details.rsa_signature); FAILIF (0 != memcmp (&refresh_session.coin.coin_pub, &ret_refresh_session.session.coin.coin_pub, sizeof (refresh_session.coin.coin_pub))); FAILIF (0 != GNUNET_memcmp (&refresh_session.coin.denom_pub_hash, &ret_refresh_session.session.coin.denom_pub_hash)); /* test 'select_refreshes_above_serial_id' */ auditor_row_cnt = 0; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_refreshes_above_serial_id (plugin->cls, 0, &audit_refresh_session_cb, NULL)); FAILIF (1 != auditor_row_cnt); new_dkp = GNUNET_new_array (MELT_NEW_COINS, struct DenomKeyPair *); new_denom_pubs = GNUNET_new_array (MELT_NEW_COINS, struct TALER_DenominationPublicKey); revealed_coins = GNUNET_new_array (MELT_NEW_COINS, struct TALER_EXCHANGEDB_RefreshRevealedCoin); for (unsigned int cnt = 0; cnt < MELT_NEW_COINS; cnt++) { struct TALER_EXCHANGEDB_RefreshRevealedCoin *ccoin; struct TALER_BlindedCoinHash hc; struct GNUNET_TIME_Absolute now; now = GNUNET_TIME_absolute_get (); GNUNET_TIME_round_abs (&now); new_dkp[cnt] = create_denom_key_pair (1024, now, &value, &fee_withdraw, &fee_deposit, &fee_refresh, &fee_refund); GNUNET_assert (NULL != new_dkp[cnt]); new_denom_pubs[cnt] = new_dkp[cnt]->pub; ccoin = &revealed_coins[cnt]; ccoin->coin_ev_size = (size_t) GNUNET_CRYPTO_random_u64 ( GNUNET_CRYPTO_QUALITY_WEAK, COIN_ENC_MAX_SIZE); ccoin->coin_ev = GNUNET_malloc (ccoin->coin_ev_size); GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, ccoin->coin_ev, ccoin->coin_ev_size); RND_BLK (&hc); ccoin->denom_pub = new_dkp[cnt]->pub; ccoin->coin_sig.cipher = TALER_DENOMINATION_RSA; ccoin->coin_sig.details.blinded_rsa_signature = GNUNET_CRYPTO_rsa_sign_fdh (new_dkp[cnt]->priv.details.rsa_private_key, &hc.hash); } RND_BLK (&tprivs); RND_BLK (&tpub); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->get_refresh_reveal (plugin->cls, &refresh_session.rc, &never_called_cb, NULL)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_refresh_reveal (plugin->cls, &refresh_session.rc, MELT_NEW_COINS, revealed_coins, TALER_CNC_KAPPA - 1, tprivs, &tpub)); FAILIF (0 >= plugin->get_refresh_reveal (plugin->cls, &refresh_session.rc, &check_refresh_reveal_cb, NULL)); qs = plugin->get_link_data (plugin->cls, &refresh_session.coin.coin_pub, &handle_link_data_cb, NULL); FAILIF (0 >= qs); { /* Just to test fetching a coin with melt history */ struct TALER_EXCHANGEDB_TransactionList *tl; enum GNUNET_DB_QueryStatus qs; qs = plugin->get_coin_transactions (plugin->cls, &refresh_session.coin.coin_pub, GNUNET_YES, &tl); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs); plugin->free_coin_transaction_list (plugin->cls, tl); } ret = GNUNET_OK; drop: if (NULL != revealed_coins) { for (unsigned int cnt = 0; cnt < MELT_NEW_COINS; cnt++) { TALER_blinded_denom_sig_free (&revealed_coins[cnt].coin_sig); GNUNET_free (revealed_coins[cnt].coin_ev); } GNUNET_free (revealed_coins); revealed_coins = NULL; } destroy_denom_key_pair (dkp); TALER_denom_sig_free (&refresh_session.coin.denom_sig); GNUNET_free (new_denom_pubs); for (unsigned int cnt = 0; (NULL != new_dkp) && (cnt < MELT_NEW_COINS) && (NULL != new_dkp[cnt]); cnt++) destroy_denom_key_pair (new_dkp[cnt]); GNUNET_free (new_dkp); return ret; } /** * Callback that should never be called. */ static void cb_wt_never (void *cls, uint64_t serial_id, const struct TALER_MerchantPublicKeyP *merchant_pub, const char *account_payto_uri, struct GNUNET_TIME_Absolute exec_time, const struct TALER_PrivateContractHash *h_contract_terms, const struct TALER_DenominationPublicKey *denom_pub, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_Amount *coin_value, const struct TALER_Amount *coin_fee) { GNUNET_assert (0); /* this statement should be unreachable */ } static struct TALER_MerchantPublicKeyP merchant_pub_wt; static struct TALER_MerchantWireHash h_wire_wt; static struct TALER_PrivateContractHash h_contract_terms_wt; static struct TALER_CoinSpendPublicKeyP coin_pub_wt; static struct TALER_Amount coin_value_wt; static struct TALER_Amount coin_fee_wt; static struct TALER_Amount transfer_value_wt; static struct GNUNET_TIME_Absolute wire_out_date; static struct TALER_WireTransferIdentifierRawP wire_out_wtid; /** * Callback that should be called with the WT data. */ static void cb_wt_check (void *cls, uint64_t rowid, const struct TALER_MerchantPublicKeyP *merchant_pub, const char *account_payto_uri, struct GNUNET_TIME_Absolute exec_time, const struct TALER_PrivateContractHash *h_contract_terms, const struct TALER_DenominationPublicKey *denom_pub, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_Amount *coin_value, const struct TALER_Amount *coin_fee) { GNUNET_assert (cls == &cb_wt_never); GNUNET_assert (0 == GNUNET_memcmp (merchant_pub, &merchant_pub_wt)); GNUNET_assert (0 == strcmp (account_payto_uri, "payto://iban/DE67830654080004822650?receiver-name=Test")); GNUNET_assert (exec_time.abs_value_us == wire_out_date.abs_value_us); GNUNET_assert (0 == GNUNET_memcmp (h_contract_terms, &h_contract_terms_wt)); GNUNET_assert (0 == GNUNET_memcmp (coin_pub, &coin_pub_wt)); GNUNET_assert (0 == TALER_amount_cmp (coin_value, &coin_value_wt)); GNUNET_assert (0 == TALER_amount_cmp (coin_fee, &coin_fee_wt)); } /** * Here #deposit_cb() will store the row ID of the deposit. */ static uint64_t deposit_rowid; /** * Here #deposit_cb() will store the row ID of the account. */ static uint64_t wire_target_row; /** * Function called with details about deposits that * have been made. Called in the test on the * deposit given in @a cls. * * @param cls closure a `struct TALER_EXCHANGEDB_Deposit *` * @param rowid unique ID for the deposit in our DB, used for marking * it as 'tiny' or 'done' * @param merchant_pub public key of the merchant * @param coin_pub public key of the coin * @param amount_with_fee amount that was deposited including fee * @param deposit_fee amount the exchange gets to keep as transaction fees * @param h_contract_terms hash of the proposal data known to merchant and customer * @param wire_target unique ID of the receiver account * @param payto_uri how to pay the merchant, URI in payto://-format; * @return transaction status code, #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT to continue to iterate */ static enum GNUNET_DB_QueryStatus deposit_cb (void *cls, uint64_t rowid, const struct TALER_MerchantPublicKeyP *merchant_pub, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_Amount *amount_with_fee, const struct TALER_Amount *deposit_fee, const struct TALER_PrivateContractHash *h_contract_terms, uint64_t wire_target, const char *payto_uri) { struct TALER_EXCHANGEDB_Deposit *deposit = cls; deposit_rowid = rowid; wire_target_row = wire_target; if ( (0 != GNUNET_memcmp (merchant_pub, &deposit->merchant_pub)) || (0 != TALER_amount_cmp (amount_with_fee, &deposit->amount_with_fee)) || (0 != TALER_amount_cmp (deposit_fee, &deposit->deposit_fee)) || (0 != GNUNET_memcmp (h_contract_terms, &deposit->h_contract_terms)) || (0 != memcmp (coin_pub, &deposit->coin.coin_pub, sizeof (struct TALER_CoinSpendPublicKeyP))) || (0 != strcmp (payto_uri, deposit->receiver_wire_account)) ) { GNUNET_break (0); return GNUNET_DB_STATUS_HARD_ERROR; } return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; } /** * Function called with details about deposits that * have been made. Called in the test on the * deposit given in @a cls. * * @param cls closure a `struct TALER_EXCHANGEDB_Deposit *` * @param rowid unique ID for the deposit in our DB, used for marking * it as 'tiny' or 'done' * @param coin_pub public key of the coin * @param amount_with_fee amount that was deposited including fee * @param deposit_fee amount the exchange gets to keep as transaction fees * @param h_contract_terms hash of the proposal data known to merchant and customer * @return transaction status code, #GNUNET_DB_STATUS_SUCCESS_ONE_RESULT to continue to iterate */ static enum GNUNET_DB_QueryStatus matching_deposit_cb (void *cls, uint64_t rowid, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_Amount *amount_with_fee, const struct TALER_Amount *deposit_fee, const struct TALER_PrivateContractHash *h_contract_terms) { struct TALER_EXCHANGEDB_Deposit *deposit = cls; deposit_rowid = rowid; if ( (0 != TALER_amount_cmp (amount_with_fee, &deposit->amount_with_fee)) || (0 != TALER_amount_cmp (deposit_fee, &deposit->deposit_fee)) || (0 != GNUNET_memcmp (h_contract_terms, &deposit->h_contract_terms)) || (0 != GNUNET_memcmp (coin_pub, &deposit->coin.coin_pub)) ) { GNUNET_break (0); return GNUNET_DB_STATUS_HARD_ERROR; } return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT; } /** * Callback for #select_deposits_above_serial_id () * * @param cls closure * @param rowid unique serial ID for the deposit in our DB * @param exchange_timestamp when did the deposit happen * @param deposit deposit details * @param denom_pub denomination of the @a coin_pub * @param done flag set if the deposit was already executed (or not) * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static enum GNUNET_GenericReturnValue audit_deposit_cb (void *cls, uint64_t rowid, struct GNUNET_TIME_Absolute exchange_timestamp, const struct TALER_EXCHANGEDB_Deposit *deposit, const struct TALER_DenominationPublicKey *denom_pub, bool done) { auditor_row_cnt++; return GNUNET_OK; } /** * Function called with details about coins that were refunding, * with the goal of auditing the refund's execution. * * @param cls closure * @param rowid unique serial ID for the refund in our DB * @param denom_pub denomination of the @a coin_pub * @param coin_pub public key of the coin * @param merchant_pub public key of the merchant * @param merchant_sig signature of the merchant * @param h_contract_terms hash of the proposal data in * the contract between merchant and customer * @param rtransaction_id refund transaction ID chosen by the merchant * @param amount_with_fee amount that was deposited including fee * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static int audit_refund_cb (void *cls, uint64_t rowid, const struct TALER_DenominationPublicKey *denom_pub, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_MerchantPublicKeyP *merchant_pub, const struct TALER_MerchantSignatureP *merchant_sig, const struct TALER_PrivateContractHash *h_contract_terms, uint64_t rtransaction_id, const struct TALER_Amount *amount_with_fee) { (void) cls; (void) rowid; (void) denom_pub; (void) coin_pub; (void) merchant_pub; (void) merchant_sig; (void) h_contract_terms; (void) rtransaction_id; (void) amount_with_fee; auditor_row_cnt++; return GNUNET_OK; } /** * Function called with details about incoming wire transfers. * * @param cls closure * @param rowid unique serial ID for the refresh session in our DB * @param reserve_pub public key of the reserve (also the WTID) * @param credit amount that was received * @param sender_account_details information about the sender's bank account * @param wire_reference unique reference identifying the wire transfer * @param execution_date when did we receive the funds * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static int audit_reserve_in_cb (void *cls, uint64_t rowid, const struct TALER_ReservePublicKeyP *reserve_pub, const struct TALER_Amount *credit, const char *sender_account_details, uint64_t wire_reference, struct GNUNET_TIME_Absolute execution_date) { (void) cls; (void) rowid; (void) reserve_pub; (void) credit; (void) sender_account_details; (void) wire_reference; (void) execution_date; auditor_row_cnt++; return GNUNET_OK; } /** * Function called with details about withdraw operations. * * @param cls closure * @param rowid unique serial ID for the refresh session in our DB * @param h_blind_ev blinded hash of the coin's public key * @param denom_pub public denomination key of the deposited coin * @param reserve_pub public key of the reserve * @param reserve_sig signature over the withdraw operation * @param execution_date when did the wallet withdraw the coin * @param amount_with_fee amount that was withdrawn * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static int audit_reserve_out_cb (void *cls, uint64_t rowid, const struct TALER_BlindedCoinHash *h_blind_ev, const struct TALER_DenominationPublicKey *denom_pub, const struct TALER_ReservePublicKeyP *reserve_pub, const struct TALER_ReserveSignatureP *reserve_sig, struct GNUNET_TIME_Absolute execution_date, const struct TALER_Amount *amount_with_fee) { (void) cls; (void) rowid; (void) h_blind_ev; (void) denom_pub; (void) reserve_pub; (void) reserve_sig; (void) execution_date; (void) amount_with_fee; auditor_row_cnt++; return GNUNET_OK; } /** * Test garbage collection. * * @return #GNUNET_OK on success */ static int test_gc (void) { struct DenomKeyPair *dkp; struct GNUNET_TIME_Absolute now; struct GNUNET_TIME_Absolute past; struct TALER_EXCHANGEDB_DenominationKeyInformationP issue2; struct TALER_DenominationHash denom_hash; now = GNUNET_TIME_absolute_get (); GNUNET_TIME_round_abs (&now); past = GNUNET_TIME_absolute_subtract (now, GNUNET_TIME_relative_multiply ( GNUNET_TIME_UNIT_HOURS, 4)); dkp = create_denom_key_pair (1024, past, &value, &fee_withdraw, &fee_deposit, &fee_refresh, &fee_refund); GNUNET_assert (NULL != dkp); if (GNUNET_OK != plugin->gc (plugin->cls)) { GNUNET_break (0); destroy_denom_key_pair (dkp); return GNUNET_SYSERR; } TALER_denom_pub_hash (&dkp->pub, &denom_hash); if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->get_denomination_info (plugin->cls, &denom_hash, &issue2)) { GNUNET_break (0); destroy_denom_key_pair (dkp); return GNUNET_SYSERR; } destroy_denom_key_pair (dkp); return GNUNET_OK; } /** * Test wire fee storage. * * @return #GNUNET_OK on success */ static int test_wire_fees (void) { struct GNUNET_TIME_Absolute start_date; struct GNUNET_TIME_Absolute end_date; struct TALER_Amount wire_fee; struct TALER_Amount closing_fee; struct TALER_MasterSignatureP master_sig; struct GNUNET_TIME_Absolute sd; struct GNUNET_TIME_Absolute ed; struct TALER_Amount fee; struct TALER_Amount fee2; struct TALER_MasterSignatureP ms; start_date = GNUNET_TIME_absolute_get (); GNUNET_TIME_round_abs (&start_date); end_date = GNUNET_TIME_relative_to_absolute (GNUNET_TIME_UNIT_MINUTES); GNUNET_TIME_round_abs (&end_date); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":1.424242", &wire_fee)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":2.424242", &closing_fee)); GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK, &master_sig, sizeof (master_sig)); if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_wire_fee (plugin->cls, "wire-method", start_date, end_date, &wire_fee, &closing_fee, &master_sig)) { GNUNET_break (0); return GNUNET_SYSERR; } if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->insert_wire_fee (plugin->cls, "wire-method", start_date, end_date, &wire_fee, &closing_fee, &master_sig)) { GNUNET_break (0); return GNUNET_SYSERR; } /* This must fail as 'end_date' is NOT in the half-open interval [start_date,end_date) */ if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->get_wire_fee (plugin->cls, "wire-method", end_date, &sd, &ed, &fee, &fee2, &ms)) { GNUNET_break (0); return GNUNET_SYSERR; } if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_wire_fee (plugin->cls, "wire-method", start_date, &sd, &ed, &fee, &fee2, &ms)) { GNUNET_break (0); return GNUNET_SYSERR; } if ( (sd.abs_value_us != start_date.abs_value_us) || (ed.abs_value_us != end_date.abs_value_us) || (0 != TALER_amount_cmp (&fee, &wire_fee)) || (0 != TALER_amount_cmp (&fee2, &closing_fee)) || (0 != GNUNET_memcmp (&ms, &master_sig)) ) { GNUNET_break (0); return GNUNET_SYSERR; } return GNUNET_OK; } static struct TALER_Amount wire_out_amount; /** * Callback with data about an executed wire transfer. * * @param cls closure * @param rowid identifier of the respective row in the database * @param date timestamp of the wire transfer (roughly) * @param wtid wire transfer subject * @param wire wire transfer details of the receiver * @param amount amount that was wired * @return #GNUNET_OK to continue, #GNUNET_SYSERR to stop iteration */ static int audit_wire_cb (void *cls, uint64_t rowid, struct GNUNET_TIME_Absolute date, const struct TALER_WireTransferIdentifierRawP *wtid, const char *payto_uri, const struct TALER_Amount *amount) { auditor_row_cnt++; GNUNET_assert (0 == TALER_amount_cmp (amount, &wire_out_amount)); GNUNET_assert (0 == GNUNET_memcmp (wtid, &wire_out_wtid)); GNUNET_assert (date.abs_value_us == wire_out_date.abs_value_us); return GNUNET_OK; } /** * Test API relating to wire_out handling. * * @return #GNUNET_OK on success */ static int test_wire_out (const struct TALER_EXCHANGEDB_Deposit *deposit) { auditor_row_cnt = 0; memset (&wire_out_wtid, 42, sizeof (wire_out_wtid)); wire_out_date = GNUNET_TIME_absolute_get (); (void) GNUNET_TIME_round_abs (&wire_out_date); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":1", &wire_out_amount)); /* we will transiently violate the wtid constraint on the aggregation table, so we need to start the special transaction where this is allowed... */ FAILIF (GNUNET_OK != plugin->start_deferred_wire_out (plugin->cls)); /* setup values for wire transfer aggregation data */ merchant_pub_wt = deposit->merchant_pub; h_contract_terms_wt = deposit->h_contract_terms; coin_pub_wt = deposit->coin.coin_pub; coin_value_wt = deposit->amount_with_fee; coin_fee_wt = fee_deposit; GNUNET_assert (0 < TALER_amount_subtract (&transfer_value_wt, &coin_value_wt, &coin_fee_wt)); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->lookup_wire_transfer (plugin->cls, &wire_out_wtid, &cb_wt_never, NULL)); { struct TALER_PrivateContractHash h_contract_terms_wt2 = h_contract_terms_wt; bool pending; struct TALER_WireTransferIdentifierRawP wtid2; struct TALER_Amount coin_contribution2; struct TALER_Amount coin_fee2; struct GNUNET_TIME_Absolute execution_time2; struct TALER_EXCHANGEDB_KycStatus kyc; h_contract_terms_wt2.hash.bits[0]++; FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->lookup_transfer_by_deposit (plugin->cls, &h_contract_terms_wt2, &h_wire_wt, &coin_pub_wt, &merchant_pub_wt, &pending, &wtid2, &execution_time2, &coin_contribution2, &coin_fee2, &kyc)); } /* insert WT data */ FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_aggregation_tracking (plugin->cls, &wire_out_wtid, deposit_rowid)); /* Now let's fix the transient constraint violation by putting in the WTID into the wire_out table */ { struct TALER_ReservePublicKeyP rpub; struct TALER_EXCHANGEDB_KycStatus kyc; memset (&rpub, 44, sizeof (rpub)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->inselect_wallet_kyc_status (plugin->cls, &rpub, &kyc)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->store_wire_transfer_out (plugin->cls, wire_out_date, &wire_out_wtid, kyc.payment_target_uuid, "my-config-section", &wire_out_amount)); } /* And now the commit should still succeed! */ FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->commit (plugin->cls)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->lookup_wire_transfer (plugin->cls, &wire_out_wtid, &cb_wt_check, &cb_wt_never)); { bool pending; struct TALER_WireTransferIdentifierRawP wtid2; struct TALER_Amount coin_contribution2; struct TALER_Amount coin_fee2; struct GNUNET_TIME_Absolute execution_time2; struct TALER_EXCHANGEDB_KycStatus kyc; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->lookup_transfer_by_deposit (plugin->cls, &h_contract_terms_wt, &h_wire_wt, &coin_pub_wt, &merchant_pub_wt, &pending, &wtid2, &execution_time2, &coin_contribution2, &coin_fee2, &kyc)); GNUNET_assert (0 == GNUNET_memcmp (&wtid2, &wire_out_wtid)); GNUNET_assert (execution_time2.abs_value_us == wire_out_date.abs_value_us); GNUNET_assert (0 == TALER_amount_cmp (&coin_contribution2, &coin_value_wt)); GNUNET_assert (0 == TALER_amount_cmp (&coin_fee2, &coin_fee_wt)); } FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_wire_out_above_serial_id (plugin->cls, 0, &audit_wire_cb, NULL)); FAILIF (1 != auditor_row_cnt); return GNUNET_OK; drop: return GNUNET_SYSERR; } /** * Function called about recoups the exchange has to perform. * * @param cls closure with the expected value for @a coin_blind * @param rowid row identifier used to uniquely identify the recoup operation * @param timestamp when did we receive the recoup request * @param amount how much should be added back to the reserve * @param reserve_pub public key of the reserve * @param coin public information about the coin * @param denom_pub denomination key of @a coin * @param coin_sig signature with @e coin_pub of type #TALER_SIGNATURE_WALLET_COIN_RECOUP * @param coin_blind blinding factor used to blind the coin * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static int recoup_cb (void *cls, uint64_t rowid, struct GNUNET_TIME_Absolute timestamp, const struct TALER_Amount *amount, const struct TALER_ReservePublicKeyP *reserve_pub, const struct TALER_CoinPublicInfo *coin, const struct TALER_DenominationPublicKey *denom_pub, const struct TALER_CoinSpendSignatureP *coin_sig, const struct TALER_DenominationBlindingKeyP *coin_blind) { const struct TALER_DenominationBlindingKeyP *cb = cls; FAILIF (NULL == cb); FAILIF (0 != GNUNET_memcmp (cb, coin_blind)); return GNUNET_OK; drop: return GNUNET_SYSERR; } /** * Function called on deposits that are past their due date * and have not yet seen a wire transfer. * * @param cls closure a `struct TALER_EXCHANGEDB_Deposit *` * @param rowid deposit table row of the coin's deposit * @param coin_pub public key of the coin * @param amount value of the deposit, including fee * @param payto_uri where should the funds be wired * @param deadline what was the requested wire transfer deadline * @param tiny did the exchange defer this transfer because it is too small? * @param done did the exchange claim that it made a transfer? */ static void wire_missing_cb (void *cls, uint64_t rowid, const struct TALER_CoinSpendPublicKeyP *coin_pub, const struct TALER_Amount *amount, const char *payto_uri, struct GNUNET_TIME_Absolute deadline, bool tiny, bool done) { const struct TALER_EXCHANGEDB_Deposit *deposit = cls; (void) payto_uri; (void) deadline; (void) rowid; if (tiny) { GNUNET_break (0); result = 66; } if (done) { GNUNET_break (0); result = 66; } if (0 != TALER_amount_cmp (amount, &deposit->amount_with_fee)) { GNUNET_break (0); result = 66; } if (0 != GNUNET_memcmp (coin_pub, &deposit->coin.coin_pub)) { GNUNET_break (0); result = 66; } } /** * Callback invoked with information about refunds applicable * to a particular coin. * * @param cls closure with the `struct TALER_EXCHANGEDB_Refund *` we expect to get * @param amount_with_fee amount being refunded * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop */ static enum GNUNET_GenericReturnValue check_refund_cb (void *cls, const struct TALER_Amount *amount_with_fee) { const struct TALER_EXCHANGEDB_Refund *refund = cls; if (0 != TALER_amount_cmp (amount_with_fee, &refund->details.refund_amount)) { GNUNET_break (0); result = 66; } return GNUNET_OK; } /** * Main function that will be run by the scheduler. * * @param cls closure with config */ static void run (void *cls) { struct GNUNET_CONFIGURATION_Handle *cfg = cls; struct TALER_CoinSpendSignatureP coin_sig; struct GNUNET_TIME_Absolute deadline; struct TALER_DenominationBlindingKeyP coin_blind; struct TALER_ReservePublicKeyP reserve_pub; struct TALER_ReservePublicKeyP reserve_pub2; struct DenomKeyPair *dkp; struct TALER_DenominationHash dkp_pub_hash; struct TALER_MasterSignatureP master_sig; struct TALER_EXCHANGEDB_CollectableBlindcoin cbc; struct TALER_EXCHANGEDB_CollectableBlindcoin cbc2; struct TALER_EXCHANGEDB_ReserveHistory *rh; struct TALER_EXCHANGEDB_ReserveHistory *rh_head; struct TALER_EXCHANGEDB_BankTransfer *bt; struct TALER_EXCHANGEDB_CollectableBlindcoin *withdraw; struct TALER_EXCHANGEDB_Deposit deposit; struct TALER_EXCHANGEDB_Deposit deposit2; struct TALER_EXCHANGEDB_Refund refund; struct TALER_EXCHANGEDB_TransactionList *tl; struct TALER_EXCHANGEDB_TransactionList *tlp; const char *sndr = "payto://x-taler-bank/localhost:8080/1"; unsigned int matched; unsigned int cnt; uint64_t rr; enum GNUNET_DB_QueryStatus qs; struct GNUNET_TIME_Absolute now; struct TALER_WireSalt salt; dkp = NULL; rh = NULL; memset (&deposit.coin.denom_sig, 0, sizeof (deposit.coin.denom_sig)); memset (&salt, 45, sizeof (salt)); ZR_BLK (&cbc); ZR_BLK (&cbc2); if (NULL == (plugin = TALER_EXCHANGEDB_plugin_load (cfg))) { result = 77; return; } (void) plugin->drop_tables (plugin->cls); if (GNUNET_OK != plugin->create_tables (plugin->cls)) { result = 77; goto drop; } plugin->preflight (plugin->cls); FAILIF (GNUNET_OK != plugin->start (plugin->cls, "test-1")); /* test DB is empty */ FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->select_recoup_above_serial_id (plugin->cls, 0, &recoup_cb, NULL)); RND_BLK (&reserve_pub); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":1.000010", &value)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":0.000010", &fee_withdraw)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":0.000010", &fee_deposit)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":0.000010", &fee_refresh)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":0.000010", &fee_refund)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":1.000010", &amount_with_fee)); result = 4; FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->get_latest_reserve_in_reference (plugin->cls, "exchange-account-1", &rr)); now = GNUNET_TIME_absolute_get (); (void) GNUNET_TIME_round_abs (&now); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->reserves_in_insert (plugin->cls, &reserve_pub, &value, now, sndr, "exchange-account-1", 4)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_latest_reserve_in_reference (plugin->cls, "exchange-account-1", &rr)); FAILIF (4 != rr); FAILIF (GNUNET_OK != check_reserve (&reserve_pub, value.value, value.fraction, value.currency)); now = GNUNET_TIME_absolute_get (); (void) GNUNET_TIME_round_abs (&now); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->reserves_in_insert (plugin->cls, &reserve_pub, &value, now, sndr, "exchange-account-1", 5)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_latest_reserve_in_reference (plugin->cls, "exchange-account-1", &rr)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_latest_reserve_in_reference (plugin->cls, "exchange-account-1", &rr)); FAILIF (5 != rr); FAILIF (GNUNET_OK != check_reserve (&reserve_pub, value.value * 2, value.fraction * 2, value.currency)); result = 5; now = GNUNET_TIME_absolute_get (); (void) GNUNET_TIME_round_abs (&now); dkp = create_denom_key_pair (1024, now, &value, &fee_withdraw, &fee_deposit, &fee_refresh, &fee_refund); GNUNET_assert (NULL != dkp); TALER_denom_pub_hash (&dkp->pub, &dkp_pub_hash); RND_BLK (&cbc.h_coin_envelope); RND_BLK (&cbc.reserve_sig); cbc.denom_pub_hash = dkp_pub_hash; cbc.sig.cipher = TALER_DENOMINATION_RSA; cbc.sig.details.blinded_rsa_signature = GNUNET_CRYPTO_rsa_sign_fdh (dkp->priv.details.rsa_private_key, &cbc.h_coin_envelope.hash); cbc.reserve_pub = reserve_pub; cbc.amount_with_fee = value; GNUNET_assert (GNUNET_OK == TALER_amount_set_zero (CURRENCY, &cbc.withdraw_fee)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_withdraw_info (plugin->cls, &cbc)); FAILIF (GNUNET_OK != check_reserve (&reserve_pub, value.value, value.fraction, value.currency)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_reserve_by_h_blind (plugin->cls, &cbc.h_coin_envelope, &reserve_pub2)); FAILIF (0 != GNUNET_memcmp (&reserve_pub, &reserve_pub2)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_withdraw_info (plugin->cls, &cbc.h_coin_envelope, &cbc2)); FAILIF (0 != GNUNET_memcmp (&cbc2.reserve_sig, &cbc.reserve_sig)); FAILIF (0 != GNUNET_memcmp (&cbc2.reserve_pub, &cbc.reserve_pub)); result = 6; FAILIF (GNUNET_OK != GNUNET_CRYPTO_rsa_verify (&cbc.h_coin_envelope.hash, cbc2.sig.details.blinded_rsa_signature, dkp->pub.details.rsa_public_key)); RND_BLK (&coin_sig); RND_BLK (&coin_blind); RND_BLK (&deposit.coin.coin_pub); TALER_denom_pub_hash (&dkp->pub, &deposit.coin.denom_pub_hash); deposit.coin.denom_sig.cipher = TALER_DENOMINATION_RSA; deposit.coin.denom_sig.details.rsa_signature = cbc.sig.details.blinded_rsa_signature; deadline = GNUNET_TIME_absolute_get (); (void) GNUNET_TIME_round_abs (&deadline); FAILIF (TALER_EXCHANGEDB_CKS_ADDED != plugin->ensure_coin_known (plugin->cls, &deposit.coin)); { struct TALER_EXCHANGEDB_Reserve pre_reserve; struct TALER_EXCHANGEDB_Reserve post_reserve; struct TALER_Amount delta; struct TALER_EXCHANGEDB_KycStatus kyc; pre_reserve.pub = reserve_pub; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->reserves_get (plugin->cls, &pre_reserve, &kyc)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_recoup_request (plugin->cls, &reserve_pub, &deposit.coin, &coin_sig, &coin_blind, &value, &cbc.h_coin_envelope, deadline)); post_reserve.pub = reserve_pub; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->reserves_get (plugin->cls, &post_reserve, &kyc)); FAILIF (0 >= TALER_amount_subtract (&delta, &post_reserve.balance, &pre_reserve.balance)); FAILIF (0 != TALER_amount_cmp (&delta, &value)); } FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_recoup_above_serial_id (plugin->cls, 0, &recoup_cb, &coin_blind)); GNUNET_assert (0 <= TALER_amount_add (&amount_with_fee, &value, &value)); GNUNET_assert (GNUNET_OK == TALER_string_to_amount (CURRENCY ":0.000010", &fee_closing)); now = GNUNET_TIME_absolute_get (); (void) GNUNET_TIME_round_abs (&now); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_reserve_closed (plugin->cls, &reserve_pub, now, sndr, &wire_out_wtid, &amount_with_fee, &fee_closing)); FAILIF (GNUNET_OK != check_reserve (&reserve_pub, 0, 0, value.currency)); result = 7; qs = plugin->get_reserve_history (plugin->cls, &reserve_pub, &rh); FAILIF (0 > qs); FAILIF (NULL == rh); rh_head = rh; for (cnt = 0; NULL != rh_head; rh_head = rh_head->next, cnt++) { switch (rh_head->type) { case TALER_EXCHANGEDB_RO_BANK_TO_EXCHANGE: bt = rh_head->details.bank; FAILIF (0 != GNUNET_memcmp (&bt->reserve_pub, &reserve_pub)); /* this is the amount we transferred twice*/ FAILIF (1 != bt->amount.value); FAILIF (1000 != bt->amount.fraction); FAILIF (0 != strcmp (CURRENCY, bt->amount.currency)); FAILIF (NULL == bt->sender_account_details); break; case TALER_EXCHANGEDB_RO_WITHDRAW_COIN: withdraw = rh_head->details.withdraw; FAILIF (0 != GNUNET_memcmp (&withdraw->reserve_pub, &reserve_pub)); FAILIF (0 != GNUNET_memcmp (&withdraw->h_coin_envelope, &cbc.h_coin_envelope)); break; case TALER_EXCHANGEDB_RO_RECOUP_COIN: { struct TALER_EXCHANGEDB_Recoup *recoup = rh_head->details.recoup; FAILIF (0 != GNUNET_memcmp (&recoup->coin_sig, &coin_sig)); FAILIF (0 != GNUNET_memcmp (&recoup->coin_blind, &coin_blind)); FAILIF (0 != GNUNET_memcmp (&recoup->reserve_pub, &reserve_pub)); FAILIF (0 != GNUNET_memcmp (&recoup->coin.coin_pub, &deposit.coin.coin_pub)); FAILIF (0 != TALER_amount_cmp (&recoup->value, &value)); } break; case TALER_EXCHANGEDB_RO_EXCHANGE_TO_BANK: { struct TALER_EXCHANGEDB_ClosingTransfer *closing = rh_head->details.closing; FAILIF (0 != GNUNET_memcmp (&closing->reserve_pub, &reserve_pub)); FAILIF (0 != TALER_amount_cmp (&closing->amount, &amount_with_fee)); FAILIF (0 != TALER_amount_cmp (&closing->closing_fee, &fee_closing)); } break; } } FAILIF (5 != cnt); auditor_row_cnt = 0; FAILIF (0 >= plugin->select_reserves_in_above_serial_id (plugin->cls, 0, &audit_reserve_in_cb, NULL)); FAILIF (0 >= plugin->select_withdrawals_above_serial_id (plugin->cls, 0, &audit_reserve_out_cb, NULL)); FAILIF (3 != auditor_row_cnt); /* Tests for deposits */ memset (&deposit, 0, sizeof (deposit)); RND_BLK (&deposit.coin.coin_pub); TALER_denom_pub_hash (&dkp->pub, &deposit.coin.denom_pub_hash); deposit.coin.denom_sig.cipher = TALER_DENOMINATION_RSA; deposit.coin.denom_sig.details.rsa_signature = cbc.sig.details.blinded_rsa_signature; RND_BLK (&deposit.csig); RND_BLK (&deposit.merchant_pub); RND_BLK (&deposit.h_contract_terms); RND_BLK (&deposit.wire_salt); deposit.receiver_wire_account = "payto://iban/DE67830654080004822650?receiver-name=Test"; TALER_merchant_wire_signature_hash ( "payto://iban/DE67830654080004822650?receiver-name=Test", &deposit.wire_salt, &h_wire_wt); deposit.amount_with_fee = value; deposit.deposit_fee = fee_deposit; deposit.refund_deadline = deadline; deposit.wire_deadline = deadline; result = 8; FAILIF (TALER_EXCHANGEDB_CKS_ADDED != plugin->ensure_coin_known (plugin->cls, &deposit.coin)); { struct GNUNET_TIME_Absolute now; struct GNUNET_TIME_Absolute r; struct TALER_Amount deposit_fee; now = GNUNET_TIME_absolute_get (); GNUNET_TIME_round_abs (&now); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_deposit (plugin->cls, now, &deposit)); FAILIF (1 != plugin->have_deposit (plugin->cls, &deposit, &deposit_fee, &r)); FAILIF (now.abs_value_us != r.abs_value_us); } { struct GNUNET_TIME_Absolute start_range; struct GNUNET_TIME_Absolute end_range; start_range = GNUNET_TIME_absolute_subtract (deadline, GNUNET_TIME_UNIT_SECONDS); end_range = GNUNET_TIME_absolute_add (deadline, GNUNET_TIME_UNIT_SECONDS); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_deposits_missing_wire (plugin->cls, start_range, end_range, &wire_missing_cb, &deposit)); FAILIF (8 != result); } auditor_row_cnt = 0; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_deposits_above_serial_id (plugin->cls, 0, &audit_deposit_cb, NULL)); FAILIF (1 != auditor_row_cnt); result = 9; sleep (2); /* give deposit time to be ready */ FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_ready_deposit (plugin->cls, 0, INT64_MAX, &deposit_cb, &deposit)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->iterate_matching_deposits (plugin->cls, wire_target_row, &deposit.merchant_pub, &matching_deposit_cb, &deposit, 2)); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->commit (plugin->cls)); FAILIF (GNUNET_OK != plugin->start (plugin->cls, "test-2")); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->mark_deposit_tiny (plugin->cls, deposit_rowid)); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->get_ready_deposit (plugin->cls, 0, INT64_MAX, &deposit_cb, &deposit)); plugin->rollback (plugin->cls); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_ready_deposit (plugin->cls, 0, INT64_MAX, &deposit_cb, &deposit)); FAILIF (GNUNET_OK != plugin->start (plugin->cls, "test-3")); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->mark_deposit_done (plugin->cls, deposit_rowid)); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->commit (plugin->cls)); result = 10; deposit2 = deposit; FAILIF (GNUNET_OK != plugin->start (plugin->cls, "test-2")); RND_BLK (&deposit2.merchant_pub); /* should fail if merchant is different */ { struct GNUNET_TIME_Absolute r; struct TALER_Amount deposit_fee; FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->have_deposit (plugin->cls, &deposit2, &deposit_fee, &r)); deposit2.merchant_pub = deposit.merchant_pub; RND_BLK (&deposit2.coin.coin_pub); /* should fail if coin is different */ FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->have_deposit (plugin->cls, &deposit2, &deposit_fee, &r)); } FAILIF (GNUNET_OK != test_melting ()); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->commit (plugin->cls)); /* test insert_refund! */ refund.coin = deposit.coin; refund.details.merchant_pub = deposit.merchant_pub; RND_BLK (&refund.details.merchant_sig); refund.details.h_contract_terms = deposit.h_contract_terms; refund.details.rtransaction_id = GNUNET_CRYPTO_random_u64 (GNUNET_CRYPTO_QUALITY_WEAK, UINT64_MAX); refund.details.refund_amount = deposit.amount_with_fee; refund.details.refund_fee = fee_refund; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_refund (plugin->cls, &refund)); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_refunds_by_coin (plugin->cls, &refund.coin.coin_pub, &refund.details.merchant_pub, &refund.details.h_contract_terms, &check_refund_cb, &refund)); /* test recoup / revocation */ RND_BLK (&master_sig); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_denomination_revocation (plugin->cls, &dkp_pub_hash, &master_sig)); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->commit (plugin->cls)); plugin->preflight (plugin->cls); FAILIF (GNUNET_OK != plugin->start (plugin->cls, "test-4")); FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS != plugin->insert_denomination_revocation (plugin->cls, &dkp_pub_hash, &master_sig)); plugin->rollback (plugin->cls); plugin->preflight (plugin->cls); FAILIF (GNUNET_OK != plugin->start (plugin->cls, "test-5")); { struct TALER_MasterSignatureP msig; uint64_t rev_rowid; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->get_denomination_revocation (plugin->cls, &dkp_pub_hash, &msig, &rev_rowid)); FAILIF (0 != GNUNET_memcmp (&msig, &master_sig)); } RND_BLK (&coin_sig); RND_BLK (&coin_blind); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->insert_recoup_request (plugin->cls, &reserve_pub, &deposit.coin, &coin_sig, &coin_blind, &value, &cbc.h_coin_envelope, deadline)); auditor_row_cnt = 0; FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != plugin->select_refunds_above_serial_id (plugin->cls, 0, &audit_refund_cb, NULL)); FAILIF (1 != auditor_row_cnt); qs = plugin->get_coin_transactions (plugin->cls, &refund.coin.coin_pub, GNUNET_YES, &tl); FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != qs); GNUNET_assert (NULL != tl); matched = 0; for (tlp = tl; NULL != tlp; tlp = tlp->next) { switch (tlp->type) { case TALER_EXCHANGEDB_TT_DEPOSIT: { struct TALER_EXCHANGEDB_DepositListEntry *have = tlp->details.deposit; /* Note: we're not comparing the denomination keys, as there is still the question of whether we should even bother exporting them here. */ FAILIF (0 != GNUNET_memcmp (&have->csig, &deposit.csig)); FAILIF (0 != GNUNET_memcmp (&have->merchant_pub, &deposit.merchant_pub)); FAILIF (0 != GNUNET_memcmp (&have->h_contract_terms, &deposit.h_contract_terms)); FAILIF (0 != GNUNET_memcmp (&have->wire_salt, &deposit.wire_salt)); FAILIF (have->timestamp.abs_value_us != deposit.timestamp.abs_value_us); FAILIF (have->refund_deadline.abs_value_us != deposit.refund_deadline.abs_value_us); FAILIF (have->wire_deadline.abs_value_us != deposit.wire_deadline.abs_value_us); FAILIF (0 != TALER_amount_cmp (&have->amount_with_fee, &deposit.amount_with_fee)); FAILIF (0 != TALER_amount_cmp (&have->deposit_fee, &deposit.deposit_fee)); matched |= 1; break; } #if 0 /* this coin pub was actually never melted... */ case TALER_EXCHANGEDB_TT_MELT: FAILIF (0 != GNUNET_memcmp (&melt, &tlp->details.melt)); matched |= 2; break; #endif case TALER_EXCHANGEDB_TT_REFUND: { struct TALER_EXCHANGEDB_RefundListEntry *have = tlp->details.refund; /* Note: we're not comparing the denomination keys, as there is still the question of whether we should even bother exporting them here. */ FAILIF (0 != GNUNET_memcmp (&have->merchant_pub, &refund.details.merchant_pub)); FAILIF (0 != GNUNET_memcmp (&have->merchant_sig, &refund.details.merchant_sig)); FAILIF (0 != GNUNET_memcmp (&have->h_contract_terms, &refund.details.h_contract_terms)); FAILIF (have->rtransaction_id != refund.details.rtransaction_id); FAILIF (0 != TALER_amount_cmp (&have->refund_amount, &refund.details.refund_amount)); FAILIF (0 != TALER_amount_cmp (&have->refund_fee, &refund.details.refund_fee)); matched |= 4; break; } case TALER_EXCHANGEDB_TT_RECOUP: { struct TALER_EXCHANGEDB_RecoupListEntry *recoup = tlp->details.recoup; FAILIF (0 != GNUNET_memcmp (&recoup->coin_sig, &coin_sig)); FAILIF (0 != GNUNET_memcmp (&recoup->coin_blind, &coin_blind)); FAILIF (0 != GNUNET_memcmp (&recoup->reserve_pub, &reserve_pub)); FAILIF (0 != TALER_amount_cmp (&recoup->value, &value)); matched |= 8; break; } default: FAILIF (1); break; } } FAILIF (13 != matched); plugin->free_coin_transaction_list (plugin->cls, tl); plugin->rollback (plugin->cls); FAILIF (GNUNET_OK != test_wire_prepare ()); FAILIF (GNUNET_OK != test_wire_out (&deposit)); FAILIF (GNUNET_OK != test_gc ()); FAILIF (GNUNET_OK != test_wire_fees ()); plugin->preflight (plugin->cls); result = 0; drop: if (0 != result) plugin->rollback (plugin->cls); if (NULL != rh) plugin->free_reserve_history (plugin->cls, rh); rh = NULL; GNUNET_break (GNUNET_OK == plugin->drop_tables (plugin->cls)); if (NULL != dkp) destroy_denom_key_pair (dkp); TALER_blinded_denom_sig_free (&cbc.sig); TALER_blinded_denom_sig_free (&cbc2.sig); dkp = NULL; TALER_EXCHANGEDB_plugin_unload (plugin); plugin = NULL; } int main (int argc, char *const argv[]) { const char *plugin_name; char *config_filename; char *testname; struct GNUNET_CONFIGURATION_Handle *cfg; result = -1; if (NULL == (plugin_name = strrchr (argv[0], (int) '-'))) { GNUNET_break (0); return -1; } GNUNET_log_setup (argv[0], "WARNING", NULL); plugin_name++; (void) GNUNET_asprintf (&testname, "test-exchange-db-%s", plugin_name); (void) GNUNET_asprintf (&config_filename, "%s.conf", testname); cfg = GNUNET_CONFIGURATION_create (); if (GNUNET_OK != GNUNET_CONFIGURATION_parse (cfg, config_filename)) { GNUNET_break (0); GNUNET_free (config_filename); GNUNET_free (testname); return 2; } GNUNET_SCHEDULER_run (&run, cfg); GNUNET_CONFIGURATION_destroy (cfg); GNUNET_free (config_filename); GNUNET_free (testname); return result; } /* end of test_exchangedb.c */