implement plugin function for auditor to check reserve closures
This commit is contained in:
Christian Grothoff
parent
13a153616e
commit
4bf5236959
@ -1473,7 +1473,7 @@ postgres_prepare (PGconn *db_conn)
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" WHERE finished=true",
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0, NULL);
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/* Used in #postgres_select_wire__out_above_serial_id() */
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/* Used in #postgres_select_wire_out_above_serial_id() */
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PREPARE ("audit_get_wire_incr",
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"SELECT"
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" wireout_uuid"
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@ -1527,6 +1527,26 @@ postgres_prepare (PGconn *db_conn)
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" ORDER BY payback_uuid ASC",
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1, NULL);
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/* Used in #postgres_select_reserve_closed_above_serial_id() to
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obtain information about closed reserves */
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PREPARE ("reserves_close_get_incr",
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"SELECT"
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" close_uuid"
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",reserve_pub"
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",execution_date"
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",transfer_details"
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",receiver_account"
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",amount_val"
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",amount_frac"
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",amount_curr"
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",closing_fee_val"
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",closing_fee_frac"
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",closing_fee_curr"
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" FROM reserves_close"
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" WHERE close_uuid>=$1"
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" ORDER BY close_uuid ASC",
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1, NULL);
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/* Used in #postgres_get_reserve_history() to obtain payback transactions
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for a reserve */
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PREPARE ("payback_by_reserve",
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@ -5998,6 +6018,106 @@ postgres_select_payback_above_serial_id (void *cls,
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}
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/**
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* Function called to select reserve close operations the aggregator
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* triggered, ordered by serial ID (monotonically increasing).
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*
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* @param cls closure
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* @param session database connection
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* @param serial_id lowest serial ID to include (select larger or equal)
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* @param cb function to call for ONE unfinished item
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* @param cb_cls closure for @a cb
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* @return #GNUNET_OK on success,
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* #GNUNET_NO if there are no entries,
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* #GNUNET_SYSERR on DB errors
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*/
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static int
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postgres_select_reserve_closed_above_serial_id (void *cls,
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struct TALER_EXCHANGEDB_Session *session,
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uint64_t serial_id,
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TALER_EXCHANGEDB_ReserveClosedCallback cb,
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void *cb_cls)
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{
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struct GNUNET_PQ_QueryParam params[] = {
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GNUNET_PQ_query_param_uint64 (&serial_id),
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GNUNET_PQ_query_param_end
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};
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PGresult *result;
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result = GNUNET_PQ_exec_prepared (session->conn,
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"reserves_close_get_incr",
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params);
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if (PGRES_TUPLES_OK !=
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PQresultStatus (result))
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{
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BREAK_DB_ERR (result, session->conn);
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PQclear (result);
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return GNUNET_SYSERR;
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}
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int nrows;
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int ret;
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nrows = PQntuples (result);
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if (0 == nrows)
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{
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GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
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"select_reserve_closed_above_serial_id() returned 0 matching rows\n");
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PQclear (result);
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return GNUNET_NO;
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}
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for (int i=0;i<nrows;i++)
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{
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uint64_t rowid;
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struct TALER_ReservePublicKeyP reserve_pub;
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json_t *receiver_account;
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json_t *transfer_details;
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struct TALER_Amount amount_with_fee;
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struct TALER_Amount closing_fee;
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struct GNUNET_TIME_Absolute execution_date;
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struct GNUNET_PQ_ResultSpec rs[] = {
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GNUNET_PQ_result_spec_uint64 ("close_uuid",
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&rowid),
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GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
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&reserve_pub),
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GNUNET_PQ_result_spec_absolute_time ("execution_date",
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&execution_date),
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TALER_PQ_result_spec_json ("transfer_details",
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&transfer_details),
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TALER_PQ_result_spec_json ("receiver_account",
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&receiver_account),
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TALER_PQ_result_spec_amount ("amount",
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&amount_with_fee),
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TALER_PQ_result_spec_amount ("closing_fee",
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&closing_fee),
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GNUNET_PQ_result_spec_end
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};
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if (GNUNET_OK !=
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GNUNET_PQ_extract_result (result,
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rs,
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i))
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{
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GNUNET_break (0);
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PQclear (result);
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return GNUNET_SYSERR;
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}
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ret = cb (cb_cls,
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rowid,
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execution_date,
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&amount_with_fee,
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&closing_fee,
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&reserve_pub,
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receiver_account,
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transfer_details);
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GNUNET_PQ_cleanup_result (rs);
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if (GNUNET_OK != ret)
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break;
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}
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PQclear (result);
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return GNUNET_OK;
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}
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/**
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* Function called to add a request for an emergency payback for a
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* coin. The funds are to be added back to the reserve. The function
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@ -6404,6 +6524,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
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plugin->select_reserves_out_above_serial_id = &postgres_select_reserves_out_above_serial_id;
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plugin->select_wire_out_above_serial_id = &postgres_select_wire_out_above_serial_id;
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plugin->select_payback_above_serial_id = &postgres_select_payback_above_serial_id;
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plugin->select_reserve_closed_above_serial_id = &postgres_select_reserve_closed_above_serial_id;
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plugin->insert_payback_request = &postgres_insert_payback_request;
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plugin->get_reserve_by_h_blind = &postgres_get_reserve_by_h_blind;
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plugin->insert_denomination_revocation = &postgres_insert_denomination_revocation;
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@ -969,6 +969,31 @@ typedef int
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const struct TALER_DenominationBlindingKeyP *coin_blind);
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/**
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* Function called about reserve closing operations
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* the aggregator triggered.
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*
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* @param cls closure
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* @param rowid row identifier used to uniquely identify the reserve closing operation
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* @param execution_date when did we execute the close operation
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* @param amount_with_fee how much did we debit the reserve
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* @param closing_fee how much did we charge for closing the reserve
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* @param reserve_pub public key of the reserve
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* @param receiver_account where did we send the funds
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* @param transfer_details details about the wire transfer
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* @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to stop
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*/
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typedef int
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(*TALER_EXCHANGEDB_ReserveClosedCallback)(void *cls,
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uint64_t rowid,
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struct GNUNET_TIME_Absolute execution_date,
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const struct TALER_Amount *amount_with_fee,
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const struct TALER_Amount *closing_fee,
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const struct TALER_ReservePublicKeyP *reserve_pub,
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const json_t *receiver_account,
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const json_t *transfer_details);
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/**
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* Function called with information justifying an aggregate payback.
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* (usually implemented by the auditor when verifying losses from paybacks).
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@ -2031,6 +2056,27 @@ struct TALER_EXCHANGEDB_Plugin
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void *cb_cls);
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/**
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* Function called to select reserve close operations the aggregator
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* triggered, ordered by serial ID (monotonically increasing).
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*
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* @param cls closure
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* @param session database connection
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* @param serial_id lowest serial ID to include (select larger or equal)
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* @param cb function to call
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* @param cb_cls closure for @a cb
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* @return #GNUNET_OK on success,
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* #GNUNET_NO if there are no entries,
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* #GNUNET_SYSERR on DB errors
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*/
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int
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(*select_reserve_closed_above_serial_id)(void *cls,
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struct TALER_EXCHANGEDB_Session *session,
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uint64_t serial_id,
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TALER_EXCHANGEDB_ReserveClosedCallback cb,
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void *cb_cls);
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/**
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* Function called to add a request for an emergency payback for a
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* coin. The funds are to be added back to the reserve. The
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