diff options
Diffstat (limited to 'src/exchange/taler-exchange-httpd_db.c')
| -rw-r--r-- | src/exchange/taler-exchange-httpd_db.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/src/exchange/taler-exchange-httpd_db.c b/src/exchange/taler-exchange-httpd_db.c index 5ba9f989f..34993150b 100644 --- a/src/exchange/taler-exchange-httpd_db.c +++ b/src/exchange/taler-exchange-httpd_db.c @@ -34,6 +34,43 @@ /** + * Execute database transaction to ensure coin is known. Run the transaction + * logic; IF it returns a non-error code, the transaction logic MUST + * NOT queue a MHD response. IF it returns an hard error, the + * transaction logic MUST queue a MHD response and set @a mhd_ret. IF + * it returns the soft error code, the function MAY be called again to + * retry and MUST not queue a MHD response. + * + * @param cls a `struct DepositContext` + * @param connection MHD request context + * @param session database session and transaction to use + * @param[out] mhd_ret set to MHD status on error + * @return transaction status + */ +enum GNUNET_DB_QueryStatus +TEH_DB_know_coin_transaction (void *cls, + struct MHD_Connection *connection, + struct TALER_EXCHANGEDB_Session *session, + int *mhd_ret) +{ + struct TEH_DB_KnowCoinContext *kcc = cls; + enum GNUNET_DB_QueryStatus qs; + + qs = TEH_plugin->ensure_coin_known (TEH_plugin->cls, + session, + kcc->coin); + if (GNUNET_DB_STATUS_HARD_ERROR == qs) + { + *mhd_ret + = TEH_RESPONSE_reply_internal_db_error (connection, + TALER_EC_DB_COIN_HISTORY_STORE_ERROR); + return GNUNET_DB_STATUS_HARD_ERROR; + } + return qs; +} + + +/** * Run a database transaction for @a connection. * Starts a transaction and calls @a cb. Upon success, * attempts to commit the transaction. Upon soft failures, |