diff --git a/src/mint/plugin_mintdb_postgres.c b/src/mint/plugin_mintdb_postgres.c index adc85251c..16b134350 100644 --- a/src/mint/plugin_mintdb_postgres.c +++ b/src/mint/plugin_mintdb_postgres.c @@ -1637,8 +1637,8 @@ postgres_get_refresh_melt (void *cls, * @param cls the `struct PostgresClosure` with the plugin-specific state * @param session database connection * @param session_pub refresh session key - * @param newcoin_index index of the coin to generate - * @param denom_pub denomination of the coin to create + * @param num_newcoins number of coins to generate, size of the @a denom_pubs array + * @param denom_pubs array denominations of the coins to create * @return #GNUNET_OK on success * #GNUNET_SYSERR on internal error */ @@ -1646,16 +1646,16 @@ static int postgres_insert_refresh_order (void *cls, struct TALER_MINTDB_Session *session, const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub, - uint16_t newcoin_index, - const struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub) + uint16_t num_newcoins, + struct GNUNET_CRYPTO_rsa_PublicKey *const*denom_pubs) { - // FIXME: check logic - uint16_t newcoin_index_nbo = htons (newcoin_index); + // FIXME: check logic: was written for just one COIN! + uint16_t newcoin_index_nbo = htons (num_newcoins); char *buf; size_t buf_size; PGresult *result; - buf_size = GNUNET_CRYPTO_rsa_public_key_encode (denom_pub, + buf_size = GNUNET_CRYPTO_rsa_public_key_encode (*denom_pubs, &buf); { @@ -1687,27 +1687,28 @@ postgres_insert_refresh_order (void *cls, /** - * Lookup in the database the @a newcoin_index coin that we want to + * Lookup in the database the coins that we want to * create in the given refresh operation. * * @param cls the `struct PostgresClosure` with the plugin-specific state * @param session database connection * @param session_pub refresh session key - * @param newcoin_index index of the coin to generate - * @param denom_pub denomination of the coin to create - * @return NULL on error (not found or internal error) + * @param newcoin_index array of the @a denom_pubs array + * @param denom_pubs where to store the deomination keys + * @return #GNUNET_OK on success + * #GNUNET_SYSERR on internal error */ -static struct GNUNET_CRYPTO_rsa_PublicKey * +static int postgres_get_refresh_order (void *cls, struct TALER_MINTDB_Session *session, const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub, - uint16_t newcoin_index) + uint16_t num_newcoins, + struct GNUNET_CRYPTO_rsa_PublicKey **denom_pubs) { - // FIXME: check logic + // FIXME: check logic -- was written for just one coin! char *buf; size_t buf_size; - struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub; - uint16_t newcoin_index_nbo = htons (newcoin_index); + uint16_t newcoin_index_nbo = htons (num_newcoins); struct TALER_DB_QueryParam params[] = { TALER_DB_QUERY_PARAM_PTR(session_pub), @@ -1715,20 +1716,21 @@ postgres_get_refresh_order (void *cls, TALER_DB_QUERY_PARAM_END }; - PGresult *result = TALER_DB_exec_prepared (session->conn, "get_refresh_order", params); + PGresult *result = TALER_DB_exec_prepared (session->conn, + "get_refresh_order", params); if (PGRES_TUPLES_OK != PQresultStatus (result)) { BREAK_DB_ERR (result); PQclear (result); - return NULL; + return GNUNET_SYSERR; } if (0 == PQntuples (result)) { PQclear (result); /* FIXME: may want to distinguish between different error cases! */ - return NULL; + return GNUNET_SYSERR; } GNUNET_assert (1 == PQntuples (result)); struct TALER_DB_ResultSpec rs[] = { @@ -1739,12 +1741,12 @@ postgres_get_refresh_order (void *cls, { PQclear (result); GNUNET_break (0); - return NULL; + return GNUNET_SYSERR; } PQclear (result); - denom_pub = GNUNET_CRYPTO_rsa_public_key_decode (buf, buf_size); + denom_pubs[0] = GNUNET_CRYPTO_rsa_public_key_decode (buf, buf_size); GNUNET_free (buf); - return denom_pub; + return GNUNET_OK; } @@ -1757,34 +1759,36 @@ postgres_get_refresh_order (void *cls, * @param session database connection to use * @param refresh_session_pub refresh session this commitment belongs to * @param i set index (1st dimension) - * @param j coin index (2nd dimension), corresponds to refreshed (new) coins - * @param commit_coin coin commitment to store + * @param num_newcoins coin index size of the @a commit_coins array + * @param commit_coins array of coin commitments to store * @return #GNUNET_OK on success * #GNUNET_SYSERR on error */ static int -postgres_insert_refresh_commit_coin (void *cls, - struct TALER_MINTDB_Session *session, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int i, - unsigned int j, - const struct RefreshCommitCoin *commit_coin) +postgres_insert_refresh_commit_coins (void *cls, + struct TALER_MINTDB_Session *session, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int num_newcoins, + const struct RefreshCommitCoin *commit_coins) { - // FIXME: check logic! + // FIXME: check logic! -- was written for single commit_coin! uint16_t cnc_index_nbo = htons (i); - uint16_t newcoin_index_nbo = htons (j); + uint16_t newcoin_index_nbo = htons (num_newcoins); struct TALER_DB_QueryParam params[] = { TALER_DB_QUERY_PARAM_PTR(refresh_session_pub), - TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coin->coin_ev, commit_coin->coin_ev_size), + TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coins->coin_ev, commit_coins->coin_ev_size), TALER_DB_QUERY_PARAM_PTR(&cnc_index_nbo), TALER_DB_QUERY_PARAM_PTR(&newcoin_index_nbo), - TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coin->refresh_link->coin_priv_enc, - commit_coin->refresh_link->blinding_key_enc_size + + TALER_DB_QUERY_PARAM_PTR_SIZED(commit_coins->refresh_link->coin_priv_enc, + commit_coins->refresh_link->blinding_key_enc_size + sizeof (struct GNUNET_CRYPTO_EcdsaPrivateKey)), TALER_DB_QUERY_PARAM_END }; - PGresult *result = TALER_DB_exec_prepared (session->conn, "insert_refresh_commit_coin", params); + PGresult *result = TALER_DB_exec_prepared (session->conn, + "insert_refresh_commit_coin", + params); if (PGRES_COMMAND_OK != PQresultStatus (result)) { @@ -1819,12 +1823,12 @@ postgres_insert_refresh_commit_coin (void *cls, * #GNUNET_SYSERR on error */ static int -postgres_get_refresh_commit_coin (void *cls, - struct TALER_MINTDB_Session *session, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int cnc_index, - unsigned int newcoin_index, - struct RefreshCommitCoin *cc) +postgres_get_refresh_commit_coins (void *cls, + struct TALER_MINTDB_Session *session, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int cnc_index, + unsigned int newcoin_index, + struct RefreshCommitCoin *cc) { // FIXME: check logic! uint16_t cnc_index_nbo = htons (cnc_index); @@ -1841,7 +1845,9 @@ postgres_get_refresh_commit_coin (void *cls, size_t rl_buf_size; struct TALER_RefreshLinkEncrypted *rl; - PGresult *result = TALER_DB_exec_prepared (session->conn, "get_refresh_commit_coin", params); + PGresult *result = TALER_DB_exec_prepared (session->conn, + "get_refresh_commit_coin", + params); if (PGRES_TUPLES_OK != PQresultStatus (result)) { @@ -1897,12 +1903,12 @@ postgres_get_refresh_commit_coin (void *cls, * @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success */ static int -postgres_insert_refresh_commit_link (void *cls, - struct TALER_MINTDB_Session *session, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int i, - unsigned int j, - const struct RefreshCommitLink *commit_link) +postgres_insert_refresh_commit_links (void *cls, + struct TALER_MINTDB_Session *session, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int j, + const struct RefreshCommitLink *commit_link) { // FIXME: check logic! uint16_t cnc_index_nbo = htons (i); @@ -1946,23 +1952,23 @@ postgres_insert_refresh_commit_link (void *cls, * @param refresh_session_pub public key of the refresh session this * commitment belongs with * @param i set index (1st dimension) - * @param j coin index (2nd dimension), corresponds to melted (old) coins - * @param cc[OUT] link information to return + * @param num_links size of the @a commit_link array + * @param links[OUT] array of link information to return * @return #GNUNET_SYSERR on internal error, * #GNUNET_NO if commitment was not found * #GNUNET_OK on success */ static int -postgres_get_refresh_commit_link (void *cls, - struct TALER_MINTDB_Session *session, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int cnc_index, - unsigned int oldcoin_index, - struct RefreshCommitLink *cc) +postgres_get_refresh_commit_links (void *cls, + struct TALER_MINTDB_Session *session, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int num_links, + struct RefreshCommitLink *links) { - // FIXME: check logic! - uint16_t cnc_index_nbo = htons (cnc_index); - uint16_t oldcoin_index_nbo = htons (oldcoin_index); + // FIXME: check logic: was written for a single link! + uint16_t cnc_index_nbo = htons (i); + uint16_t oldcoin_index_nbo = htons (num_links); struct TALER_DB_QueryParam params[] = { TALER_DB_QUERY_PARAM_PTR(refresh_session_pub), @@ -1988,15 +1994,14 @@ postgres_get_refresh_commit_link (void *cls, } struct TALER_DB_ResultSpec rs[] = { - TALER_DB_RESULT_SPEC("transfer_pub", &cc->transfer_pub), - TALER_DB_RESULT_SPEC("link_secret_enc", &cc->shared_secret_enc), + TALER_DB_RESULT_SPEC("transfer_pub", &links->transfer_pub), + TALER_DB_RESULT_SPEC("link_secret_enc", &links->shared_secret_enc), TALER_DB_RESULT_SPEC_END }; if (GNUNET_YES != TALER_DB_extract_result (result, rs, 0)) { PQclear (result); - GNUNET_free (cc); return GNUNET_SYSERR; } @@ -2318,10 +2323,10 @@ libtaler_plugin_mintdb_postgres_init (void *cls) plugin->get_refresh_melt = &postgres_get_refresh_melt; plugin->insert_refresh_order = &postgres_insert_refresh_order; plugin->get_refresh_order = &postgres_get_refresh_order; - plugin->insert_refresh_commit_coin = &postgres_insert_refresh_commit_coin; - plugin->get_refresh_commit_coin = &postgres_get_refresh_commit_coin; - plugin->insert_refresh_commit_link = &postgres_insert_refresh_commit_link; - plugin->get_refresh_commit_link = &postgres_get_refresh_commit_link; + plugin->insert_refresh_commit_coins = &postgres_insert_refresh_commit_coins; + plugin->get_refresh_commit_coins = &postgres_get_refresh_commit_coins; + plugin->insert_refresh_commit_links = &postgres_insert_refresh_commit_links; + plugin->get_refresh_commit_links = &postgres_get_refresh_commit_links; plugin->insert_refresh_collectable = &postgres_insert_refresh_collectable; plugin->get_link_data_list = &postgres_get_link_data_list; plugin->free_link_data_list = &common_free_link_data_list; diff --git a/src/mint/taler-mint-httpd_db.c b/src/mint/taler-mint-httpd_db.c index 35c6dfb95..a7a603288 100644 --- a/src/mint/taler-mint-httpd_db.c +++ b/src/mint/taler-mint-httpd_db.c @@ -609,7 +609,6 @@ TALER_MINT_db_execute_refresh_melt (struct MHD_Connection *connection, struct TALER_MINTDB_Session *session; int res; unsigned int i; - unsigned int j; if (NULL == (session = plugin->get_session (plugin->cls, GNUNET_NO))) @@ -667,55 +666,46 @@ TALER_MINT_db_execute_refresh_melt (struct MHD_Connection *connection, TALER_MINT_key_state_release (key_state); /* store requested new denominations */ - for (i=0;iinsert_refresh_order (plugin->cls, + session, + refresh_session_pub, + num_new_denoms, + denom_pubs)) + { + plugin->rollback (plugin->cls, + session); + return TALER_MINT_reply_internal_db_error (connection); + } + + for (i = 0; i < kappa; i++) { if (GNUNET_OK != - plugin->insert_refresh_order (plugin->cls, - session, - refresh_session_pub, - i, - denom_pubs[i])) + plugin->insert_refresh_commit_coins (plugin->cls, + session, + refresh_session_pub, + i, + num_new_denoms, + commit_coin[i])) { plugin->rollback (plugin->cls, session); return TALER_MINT_reply_internal_db_error (connection); } } - for (i = 0; i < kappa; i++) { - for (j = 0; j < num_new_denoms; j++) + if (GNUNET_OK != + plugin->insert_refresh_commit_links (plugin->cls, + session, + refresh_session_pub, + i, + coin_count, + commit_link[i])) { - if (GNUNET_OK != - plugin->insert_refresh_commit_coin (plugin->cls, - session, - refresh_session_pub, - i, - j, - &commit_coin[i][j])) - { - plugin->rollback (plugin->cls, - session); - return TALER_MINT_reply_internal_db_error (connection); - } - } - } - for (i = 0; i < kappa; i++) - { - for (j = 0; j < coin_count; j++) - { - if (GNUNET_OK != - plugin->insert_refresh_commit_link (plugin->cls, - session, - refresh_session_pub, - i, - j, - &commit_link[i][j])) - { - plugin->rollback (plugin->cls, - session); - return TALER_MINT_reply_internal_db_error (connection); - } + plugin->rollback (plugin->cls, + session); + return TALER_MINT_reply_internal_db_error (connection); } } @@ -783,44 +773,48 @@ check_commitment (struct MHD_Connection *connection, const struct GNUNET_CRYPTO_EcdsaPrivateKey *transfer_privs, const struct RefreshMelt *melts, unsigned int num_newcoins, - struct GNUNET_CRYPTO_rsa_PublicKey *const*denom_pubs) + struct GNUNET_CRYPTO_rsa_PublicKey **denom_pubs) { unsigned int j; - int res; struct TALER_LinkSecret last_shared_secret; int secret_initialized = GNUNET_NO; struct GNUNET_CRYPTO_EcdhePublicKey coin_ecdhe; struct GNUNET_CRYPTO_EcdhePrivateKey transfer_ecdhe; + struct RefreshCommitLink *commit_links; + struct RefreshCommitCoin *commit_coins; + + commit_links = GNUNET_malloc (num_oldcoins * + sizeof (struct RefreshCommitLink)); + if (GNUNET_OK != + plugin->get_refresh_commit_links (plugin->cls, + session, + refresh_session, + off, + num_oldcoins, + commit_links)) + { + GNUNET_break (0); + GNUNET_free (commit_links); + return (MHD_YES == TALER_MINT_reply_internal_db_error (connection)) + ? GNUNET_NO : GNUNET_SYSERR; + } for (j = 0; j < num_oldcoins; j++) { - struct RefreshCommitLink commit_link; struct TALER_TransferSecret transfer_secret; struct TALER_LinkSecret shared_secret; struct GNUNET_CRYPTO_EcdsaPublicKey transfer_pub_check; - res = plugin->get_refresh_commit_link (plugin->cls, - session, - refresh_session, - off, - j, - &commit_link); - if (GNUNET_OK != res) - { - GNUNET_break (0); - return (MHD_YES == TALER_MINT_reply_internal_db_error (connection)) - ? GNUNET_NO : GNUNET_SYSERR; - } - GNUNET_CRYPTO_ecdsa_key_get_public (&transfer_privs[j], &transfer_pub_check); if (0 != memcmp (&transfer_pub_check, - &commit_link.transfer_pub, + &commit_links[j].transfer_pub, sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey))) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "transfer keys do not match\n"); + GNUNET_free (commit_links); /* FIXME: return more specific error with original signature (#3712) */ return (MHD_YES == TALER_MINT_reply_refresh_reveal_missmatch (connection, @@ -843,17 +837,19 @@ check_commitment (struct MHD_Connection *connection, { GNUNET_break (0); GNUNET_CRYPTO_ecdhe_key_clear (&transfer_ecdhe); + GNUNET_free (commit_links); return (MHD_YES == TALER_MINT_reply_internal_error (connection, "ECDH error")) ? GNUNET_NO : GNUNET_SYSERR; } GNUNET_CRYPTO_ecdhe_key_clear (&transfer_ecdhe); if (GNUNET_OK != - TALER_transfer_decrypt (&commit_link.shared_secret_enc, + TALER_transfer_decrypt (&commit_links[j].shared_secret_enc, &transfer_secret, &shared_secret)) { GNUNET_break (0); + GNUNET_free (commit_links); return (MHD_YES == TALER_MINT_reply_internal_error (connection, "Decryption error")) @@ -871,6 +867,7 @@ check_commitment (struct MHD_Connection *connection, { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "shared secrets do not match\n"); + GNUNET_free (commit_links); /* FIXME: return more specific error with original signature (#3712) */ return (MHD_YES == TALER_MINT_reply_refresh_reveal_missmatch (connection, @@ -881,36 +878,40 @@ check_commitment (struct MHD_Connection *connection, } } GNUNET_break (GNUNET_YES == secret_initialized); - + GNUNET_free (commit_links); /* Check that the commitments for all new coins were correct */ + commit_coins = GNUNET_malloc (num_newcoins * + sizeof (struct RefreshCommitCoin)); + + if (GNUNET_OK != + plugin->get_refresh_commit_coins (plugin->cls, + session, + refresh_session, + off, + num_newcoins, + commit_coins)) + { + GNUNET_break (0); + GNUNET_free (commit_coins); + return (MHD_YES == TALER_MINT_reply_internal_db_error (connection)) + ? GNUNET_NO : GNUNET_SYSERR; + } + for (j = 0; j < num_newcoins; j++) { - struct RefreshCommitCoin commit_coin; struct TALER_RefreshLinkDecrypted *link_data; struct GNUNET_CRYPTO_EcdsaPublicKey coin_pub; struct GNUNET_HashCode h_msg; char *buf; size_t buf_len; - res = plugin->get_refresh_commit_coin (plugin->cls, - session, - refresh_session, - off, - j, - &commit_coin); - if (GNUNET_OK != res) - { - GNUNET_break (0); - return (MHD_YES == TALER_MINT_reply_internal_db_error (connection)) - ? GNUNET_NO : GNUNET_SYSERR; - } - - link_data = TALER_refresh_decrypt (commit_coin.refresh_link, + link_data = TALER_refresh_decrypt (commit_coins[j].refresh_link, &last_shared_secret); if (NULL == link_data) { GNUNET_break (0); + GNUNET_free (commit_coins); return (MHD_YES == TALER_MINT_reply_internal_error (connection, "Decryption error")) ? GNUNET_NO : GNUNET_SYSERR; @@ -932,14 +933,15 @@ check_commitment (struct MHD_Connection *connection, { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "blind failed\n"); + GNUNET_free (commit_coins); return (MHD_YES == TALER_MINT_reply_internal_error (connection, "Blinding error")) ? GNUNET_NO : GNUNET_SYSERR; } - if ( (buf_len != commit_coin.coin_ev_size) || + if ( (buf_len != commit_coins[j].coin_ev_size) || (0 != memcmp (buf, - commit_coin.coin_ev, + commit_coins[j].coin_ev, buf_len)) ) { GNUNET_log (GNUNET_ERROR_TYPE_ERROR, @@ -947,6 +949,7 @@ check_commitment (struct MHD_Connection *connection, off, (int) j); /* FIXME: return more specific error with original signature (#3712) */ + GNUNET_free (commit_coins); return (MHD_YES == TALER_MINT_reply_refresh_reveal_missmatch (connection, off, @@ -956,6 +959,7 @@ check_commitment (struct MHD_Connection *connection, } GNUNET_free (buf); } + GNUNET_free (commit_coins); return GNUNET_OK; } @@ -970,8 +974,7 @@ check_commitment (struct MHD_Connection *connection, * @param refresh_session session to query * @param key_state key state to lookup denomination pubs * @param denom_pub denomination key for the coin to create - * @param noreveal_index which index should we use to obtain the - * envelope for the coin, based on cut-and-choose + * @param commit_coin the coin that was committed * @param coin_off number of the coin * @return NULL on error, otherwise signature over the coin */ @@ -981,25 +984,12 @@ refresh_mint_coin (struct MHD_Connection *connection, const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session, struct MintKeyState *key_state, const struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub, - unsigned int noreveal_index, + const struct RefreshCommitCoin *commit_coin, unsigned int coin_off) { - struct RefreshCommitCoin commit_coin; struct TALER_MINT_DenomKeyIssuePriv *dki; struct GNUNET_CRYPTO_rsa_Signature *ev_sig; - int res; - res = plugin->get_refresh_commit_coin (plugin->cls, - session, - refresh_session, - noreveal_index, - coin_off, - &commit_coin); - if (GNUNET_OK != res) - { - GNUNET_break (0); - return NULL; - } dki = TALER_MINT_get_denom_key (key_state, denom_pub); if (NULL == dki) { @@ -1007,8 +997,8 @@ refresh_mint_coin (struct MHD_Connection *connection, return NULL; } ev_sig = GNUNET_CRYPTO_rsa_sign (dki->denom_priv, - commit_coin.coin_ev, - commit_coin.coin_ev_size); + commit_coin->coin_ev, + commit_coin->coin_ev_size); if (NULL == ev_sig) { GNUNET_break (0); @@ -1057,6 +1047,7 @@ TALER_MINT_db_execute_refresh_reveal (struct MHD_Connection *connection, struct RefreshMelt *melts; struct GNUNET_CRYPTO_rsa_PublicKey **denom_pubs; struct GNUNET_CRYPTO_rsa_Signature **ev_sigs; + struct RefreshCommitCoin *commit_coins; unsigned int i; unsigned int j; unsigned int off; @@ -1101,22 +1092,18 @@ TALER_MINT_db_execute_refresh_reveal (struct MHD_Connection *connection, } denom_pubs = GNUNET_malloc (refresh_session.num_newcoins * sizeof (struct GNUNET_CRYPTO_rsa_PublicKey *)); - for (j=0;jget_refresh_order (plugin->cls, + session, + refresh_session_pub, + refresh_session.num_newcoins, + denom_pubs)) { - denom_pubs[j] = plugin->get_refresh_order (plugin->cls, - session, - refresh_session_pub, - j); - if (NULL == denom_pubs[j]) - { - GNUNET_break (0); - for (i=0;iget_refresh_commit_coins (plugin->cls, + session, + refresh_session_pub, + refresh_session.noreveal_index, + refresh_session.num_newcoins, + commit_coins)) + { + GNUNET_break (0); + GNUNET_free (commit_coins); + for (j=0;jcommit (plugin->cls, diff --git a/src/mint/taler-mint-httpd_db.h b/src/mint/taler-mint-httpd_db.h index dbfecccd1..aefbfc424 100644 --- a/src/mint/taler-mint-httpd_db.h +++ b/src/mint/taler-mint-httpd_db.h @@ -126,7 +126,6 @@ struct MeltDetails * future) * @return MHD result code */ -// FIXME: see #3635. int TALER_MINT_db_execute_refresh_melt (struct MHD_Connection *connection, const struct GNUNET_HashCode *melt_hash, diff --git a/src/mint/taler_mintdb_plugin.h b/src/mint/taler_mintdb_plugin.h index eabb00d9a..bc5cd69a6 100644 --- a/src/mint/taler_mintdb_plugin.h +++ b/src/mint/taler_mintdb_plugin.h @@ -781,8 +781,8 @@ struct TALER_MINTDB_Plugin * @param cls the @e cls of this struct with the plugin-specific state * @param db_conn database connection * @param session_pub refresh session key - * @param newcoin_index index of the coin to generate - * @param denom_pub denomination of the coin to create + * @param num_newcoins number of coins to generate, size of the @a denom_pubs array + * @param denom_pubs array denominations of the coins to create * @return #GNUNET_OK on success * #GNUNET_SYSERR on internal error */ @@ -790,48 +790,50 @@ struct TALER_MINTDB_Plugin (*insert_refresh_order) (void *cls, struct TALER_MINTDB_Session *db_conn, const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub, - uint16_t newcoin_index, - const struct GNUNET_CRYPTO_rsa_PublicKey *denom_pub); + uint16_t num_newcoins, + struct GNUNET_CRYPTO_rsa_PublicKey *const*denom_pubs); /** - * Lookup in the database the @a newcoin_index coin that we want to + * Lookup in the database for the @a num_newcoins coins that we want to * create in the given refresh operation. * * @param cls the @e cls of this struct with the plugin-specific state * @param db_conn database connection * @param session_pub refresh session key - * @param newcoin_index index of the coin to generate - * @param denom_pub denomination of the coin to create - * @return NULL on error (not found or internal error) + * @param num_newcoins size of the @a denom_pubs array + * @param denom_pubs[OUT] where to write @a num_newcoins denomination keys + * @return #GNUNET_OK on success + * #GNUNET_SYSERR on internal error */ - struct GNUNET_CRYPTO_rsa_PublicKey * + int (*get_refresh_order) (void *cls, struct TALER_MINTDB_Session *db_conn, const struct GNUNET_CRYPTO_EddsaPublicKey *session_pub, - uint16_t newcoin_index); + uint16_t num_newcoins, + struct GNUNET_CRYPTO_rsa_PublicKey **denom_pubs); /** - * Store information about the commitment of the - * given coin for the given refresh session in the database. + * Store information about the commitments of the given index @a i + * for the given refresh session in the database. * * @param cls the @e cls of this struct with the plugin-specific state * @param db_conn database connection to use * @param refresh_session_pub refresh session this commitment belongs to - * @param i set index (1st dimension) - * @param j coin index (2nd dimension), corresponds to refreshed (new) coins - * @param commit_coin coin commitment to store + * @param i set index (1st dimension), relating to kappa + * @param num_newcoins coin index size of the @a commit_coins array + * @param commit_coin array of coin commitments to store * @return #GNUNET_OK on success * #GNUNET_SYSERR on error */ int - (*insert_refresh_commit_coin) (void *cls, - struct TALER_MINTDB_Session *db_conn, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int i, - unsigned int j, - const struct RefreshCommitCoin *commit_coin); + (*insert_refresh_commit_coins) (void *cls, + struct TALER_MINTDB_Session *db_conn, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int num_newcoins, + const struct RefreshCommitCoin *commit_coins); /** @@ -849,12 +851,12 @@ struct TALER_MINTDB_Plugin * #GNUNET_SYSERR on error */ int - (*get_refresh_commit_coin) (void *cls, - struct TALER_MINTDB_Session *db_conn, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int i, - unsigned int j, - struct RefreshCommitCoin *commit_coin); + (*get_refresh_commit_coins) (void *cls, + struct TALER_MINTDB_Session *db_conn, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int j, + struct RefreshCommitCoin *commit_coin); /** @@ -865,18 +867,18 @@ struct TALER_MINTDB_Plugin * @param db_conn database connection to use * @param refresh_session_pub public key of the refresh session this * commitment belongs with - * @param i set index (1st dimension) - * @param j coin index (2nd dimension), corresponds to melted (old) coins - * @param commit_link link information to store + * @param i set index (1st dimension), relating to kappa + * @param num_links size of the @a commit_link array + * @param commit_links array of link information to store * @return #GNUNET_SYSERR on internal error, #GNUNET_OK on success */ int - (*insert_refresh_commit_link) (void *cls, - struct TALER_MINTDB_Session *db_conn, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int i, - unsigned int j, - const struct RefreshCommitLink *commit_link); + (*insert_refresh_commit_links) (void *cls, + struct TALER_MINTDB_Session *db_conn, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int num_links, + const struct RefreshCommitLink *commit_links); /** * Obtain the commited (encrypted) refresh link data @@ -887,19 +889,19 @@ struct TALER_MINTDB_Plugin * @param refresh_session_pub public key of the refresh session this * commitment belongs with * @param i set index (1st dimension) - * @param j coin index (2nd dimension), corresponds to melted (old) coins - * @param cc[OUT] link information to return + * @param num_links size of the @links array to return + * @param links[OUT] array link information to return * @return #GNUNET_SYSERR on internal error, * #GNUNET_NO if commitment was not found * #GNUNET_OK on success */ int - (*get_refresh_commit_link) (void *cls, - struct TALER_MINTDB_Session *db_conn, - const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, - unsigned int i, - unsigned int j, - struct RefreshCommitLink *cc); + (*get_refresh_commit_links) (void *cls, + struct TALER_MINTDB_Session *db_conn, + const struct GNUNET_CRYPTO_EddsaPublicKey *refresh_session_pub, + unsigned int i, + unsigned int j, + struct RefreshCommitLink *links); /**