diff options
Diffstat (limited to 'src/backenddb/pg_account_kyc_get_status.c')
| -rw-r--r-- | src/backenddb/pg_account_kyc_get_status.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/backenddb/pg_account_kyc_get_status.c b/src/backenddb/pg_account_kyc_get_status.c new file mode 100644 index 00000000..1c7c5792 --- /dev/null +++ b/src/backenddb/pg_account_kyc_get_status.c @@ -0,0 +1,195 @@ +/* + This file is part of TALER + Copyright (C) 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 backenddb/pg_account_kyc_get_status.c + * @brief Implementation of the account_kyc_get_status function for Postgres + * @author Iván Ávalos + */ +#include "platform.h" +#include <taler/taler_error_codes.h> +#include <taler/taler_dbevents.h> +#include <taler/taler_pq_lib.h> +#include "pg_account_kyc_get_status.h" +#include "pg_helper.h" + +/** + * Closure for kyc_status_cb(). + */ +struct KycStatusContext +{ + /** + * Function to call with results. + */ + TALER_MERCHANTDB_KycCallback kyc_cb; + + /** + * Closure for @e kyc_cb. + */ + void *kyc_cb_cls; + + /** + * Filter, NULL to not filter. + */ + const struct TALER_MerchantWireHashP *h_wire; + + /** + * Filter, NULL to not filter. + */ + const char *exchange_url; + + /** + * Number of results found. + */ + unsigned int count; + + /** + * Set to true on failure(s). + */ + bool failure; +}; + + +/** + * Function to be called with the results of a SELECT statement + * that has returned @a num_results results about accounts. + * + * @param[in,out] cls of type `struct KycStatusContext *` + * @param result the postgres result + * @param num_results the number of results in @a result + */ +static void +kyc_status_cb (void *cls, + PGresult *result, + unsigned int num_results) +{ + struct KycStatusContext *ksc = cls; + + for (unsigned int i = 0; i < num_results; i++) + { + struct TALER_MerchantWireHashP h_wire; + uint64_t kyc_serial; + char *exchange_url; + char *payto_uri; + struct GNUNET_TIME_Timestamp last_check; + bool kyc_ok; + uint32_t aml_decision; + struct GNUNET_PQ_ResultSpec rs[] = { + GNUNET_PQ_result_spec_auto_from_type ("h_wire", + &h_wire), + GNUNET_PQ_result_spec_uint64 ("exchange_kyc_serial", + &kyc_serial), + GNUNET_PQ_result_spec_string ("payto_uri", + &payto_uri), + GNUNET_PQ_result_spec_string ("exchange_url", + &exchange_url), + GNUNET_PQ_result_spec_timestamp ("kyc_timestamp", + &last_check), + GNUNET_PQ_result_spec_bool ("kyc_ok", + &kyc_ok), + GNUNET_PQ_result_spec_uint32 ("aml_decision", + &aml_decision), + GNUNET_PQ_result_spec_end + }; + + if (GNUNET_OK != + GNUNET_PQ_extract_result (result, + rs, + i)) + { + GNUNET_break (0); + ksc->failure = true; + return; + } + if ( (NULL != ksc->exchange_url) && + (0 != strcmp (ksc->exchange_url, + exchange_url)) ) + { + GNUNET_PQ_cleanup_result (rs); + continue; + } + if ( (NULL != ksc->h_wire) && + (0 != GNUNET_memcmp (ksc->h_wire, + &h_wire)) ) + { + GNUNET_PQ_cleanup_result (rs); + continue; + } + ksc->count++; + ksc->kyc_cb (ksc->kyc_cb_cls, + &h_wire, + kyc_serial, + payto_uri, + exchange_url, + last_check, + kyc_ok, + (enum TALER_AmlDecisionState) aml_decision); + GNUNET_PQ_cleanup_result (rs); + } +} + + +enum GNUNET_DB_QueryStatus +TMH_PG_account_kyc_get_status (void *cls, + const char *merchant_id, + const struct TALER_MerchantWireHashP *h_wire, + const char *exchange_url, + TALER_MERCHANTDB_KycCallback kyc_cb, + void *kyc_cb_cls) +{ + struct PostgresClosure *pg = cls; + struct KycStatusContext ksc = { + .kyc_cb = kyc_cb, + .kyc_cb_cls = kyc_cb_cls, + .exchange_url = exchange_url, + .h_wire = h_wire + }; + struct GNUNET_PQ_QueryParam params[] = { + GNUNET_PQ_query_param_string (merchant_id), + GNUNET_PQ_query_param_end + }; + enum GNUNET_DB_QueryStatus qs; + + check_connection (pg); + PREPARE (pg, + "lookup_kyc_status", + "SELECT" + " h_wire" + ",exchange_kyc_serial" + ",payto_uri" + ",exchange_url" + ",kyc_timestamp" + ",kyc_ok" + ",aml_decision" + " FROM merchant_instances" + " JOIN merchant_accounts" + " USING (merchant_serial)" + " JOIN merchant_kyc" + " USING (account_serial)" + " WHERE merchant_instances.merchant_id=$1"); + qs = GNUNET_PQ_eval_prepared_multi_select (pg->conn, + "lookup_kyc_status", + params, + &kyc_status_cb, + &ksc); + if (ksc.failure) + { + GNUNET_break (0); + return GNUNET_DB_STATUS_HARD_ERROR; + } + if (0 > qs) + return qs; + return ksc.count; +} |