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-rw-r--r--src/exchangedb/plugin_exchangedb_postgres.c194
-rw-r--r--src/exchangedb/test_exchangedb.c8
2 files changed, 101 insertions, 101 deletions
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index 7267ef66f..2f05c0233 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -4430,50 +4430,44 @@ postgres_get_coin_transactions (void *cls,
/**
- * Lookup the list of Taler transactions that were aggregated
- * into a wire transfer by the respective @a wtid.
- *
- * @param cls closure
- * @param session database connection
- * @param wtid the raw wire transfer identifier we used
- * @param cb function to call on each transaction found
- * @param cb_cls closure for @a cb
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on database errors,
- * #GNUNET_NO if we found no results
+ * Closure for #handle_wt_result.
*/
-static int
-postgres_lookup_wire_transfer (void *cls,
- struct TALER_EXCHANGEDB_Session *session,
- const struct TALER_WireTransferIdentifierRawP *wtid,
- TALER_EXCHANGEDB_WireTransferDataCallback cb,
- void *cb_cls)
+struct WireTransferResultContext
{
- PGresult *result;
- struct GNUNET_PQ_QueryParam params[] = {
- GNUNET_PQ_query_param_auto_from_type (wtid),
- GNUNET_PQ_query_param_end
- };
- int nrows;
+ /**
+ * Function to call on each result.
+ */
+ TALER_EXCHANGEDB_WireTransferDataCallback cb;
- /* check if the melt record exists and get it */
- result = GNUNET_PQ_exec_prepared (session->conn,
- "lookup_transactions",
- params);
- if (PGRES_TUPLES_OK != PQresultStatus (result))
- {
- BREAK_DB_ERR (result, session->conn);
- PQclear (result);
- return GNUNET_SYSERR;
- }
- nrows = PQntuples (result);
- if (0 == nrows)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "lookup_wire_transfer() returned 0 matching rows\n");
- PQclear (result);
- return GNUNET_NO;
- }
- for (int i=0;i<nrows;i++)
+ /**
+ * Closure for @e cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Set to #GNUNET_SYSERR on serious errors.
+ */
+ int status;
+};
+
+
+/**
+ * Function to be called with the results of a SELECT statement
+ * that has returned @a num_results results. Helper function
+ * for #postgres_lookup_wire_transfer().
+ *
+ * @param cls closure of type `struct WireTransferResultContext *`
+ * @param result the postgres result
+ * @param num_result the number of results in @a result
+ */
+static void
+handle_wt_result (void *cls,
+ PGresult *result,
+ unsigned int num_results)
+{
+ struct WireTransferResultContext *ctx = cls;
+
+ for (unsigned int i=0;i<num_results;i++)
{
uint64_t rowid;
struct GNUNET_HashCode h_contract_terms;
@@ -4505,37 +4499,75 @@ postgres_lookup_wire_transfer (void *cls,
i))
{
GNUNET_break (0);
- PQclear (result);
- return GNUNET_SYSERR;
+ ctx->status = GNUNET_SYSERR;
+ return;
}
t = json_object_get (wire, "type");
if (NULL == t)
{
GNUNET_break (0);
- PQclear (result);
- return GNUNET_SYSERR;
+ ctx->status = GNUNET_SYSERR;
+ return;
}
wire_method = json_string_value (t);
if (NULL == wire_method)
{
GNUNET_break (0);
- PQclear (result);
- return GNUNET_SYSERR;
+ ctx->status = GNUNET_SYSERR;
+ return;
}
- cb (cb_cls,
- rowid,
- &merchant_pub,
- wire_method,
- &h_wire,
- exec_time,
- &h_contract_terms,
- &coin_pub,
- &amount_with_fee,
- &deposit_fee);
+ ctx->cb (ctx->cb_cls,
+ rowid,
+ &merchant_pub,
+ wire_method,
+ &h_wire,
+ exec_time,
+ &h_contract_terms,
+ &coin_pub,
+ &amount_with_fee,
+ &deposit_fee);
GNUNET_PQ_cleanup_result (rs);
}
- PQclear (result);
- return GNUNET_OK;
+}
+
+
+/**
+ * Lookup the list of Taler transactions that were aggregated
+ * into a wire transfer by the respective @a wtid.
+ *
+ * @param cls closure
+ * @param session database connection
+ * @param wtid the raw wire transfer identifier we used
+ * @param cb function to call on each transaction found
+ * @param cb_cls closure for @a cb
+ * @return query status of the transaction
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_lookup_wire_transfer (void *cls,
+ struct TALER_EXCHANGEDB_Session *session,
+ const struct TALER_WireTransferIdentifierRawP *wtid,
+ TALER_EXCHANGEDB_WireTransferDataCallback cb,
+ void *cb_cls)
+{
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_auto_from_type (wtid),
+ GNUNET_PQ_query_param_end
+ };
+ struct WireTransferResultContext ctx;
+ enum GNUNET_DB_QueryStatus qs;
+
+ ctx.cb = cb;
+ ctx.cb_cls = cb_cls;
+ ctx.status = GNUNET_OK;
+ /* check if the melt record exists and get it */
+ qs = GNUNET_PQ_eval_prepared_multi_select (session->conn,
+ "lookup_transactions",
+ params,
+ &handle_wt_result,
+ &ctx);
+ if (GNUNET_OK != ctx.status)
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ return qs;
}
@@ -4733,10 +4765,9 @@ postgres_insert_aggregation_tracking (void *cls,
* @param[out] end_date when does the fee end being valid
* @param[out] wire_fee how high is the wire transfer fee
* @param[out] master_sig signature over the above by the exchange master key
- * @return #GNUNET_OK on success, #GNUNET_NO if no fee is known
- * #GNUNET_SYSERR on failure
+ * @return status of the transaction
*/
-static int
+static enum GNUNET_DB_QueryStatus
postgres_get_wire_fee (void *cls,
struct TALER_EXCHANGEDB_Session *session,
const char *type,
@@ -4758,42 +4789,11 @@ postgres_get_wire_fee (void *cls,
GNUNET_PQ_result_spec_auto_from_type ("master_sig", master_sig),
GNUNET_PQ_result_spec_end
};
- PGresult *result;
- int nrows;
- result = GNUNET_PQ_exec_prepared (session->conn,
- "get_wire_fee",
- params);
- if (PGRES_TUPLES_OK !=
- PQresultStatus (result))
- {
- BREAK_DB_ERR (result, session->conn);
- PQclear (result);
- return GNUNET_SYSERR;
- }
- nrows = PQntuples (result);
- if (0 == nrows)
- {
- /* no matches found */
- PQclear (result);
- return GNUNET_NO;
- }
- if (1 != nrows)
- {
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- if (GNUNET_OK !=
- GNUNET_PQ_extract_result (result,
- rs,
- 0))
- {
- PQclear (result);
- GNUNET_break (0);
- return GNUNET_SYSERR;
- }
- PQclear (result);
- return GNUNET_OK;
+ return GNUNET_PQ_eval_prepared_singleton_select (session->conn,
+ "get_wire_fee",
+ params,
+ rs);
}
diff --git a/src/exchangedb/test_exchangedb.c b/src/exchangedb/test_exchangedb.c
index 380b037cd..5c33418e1 100644
--- a/src/exchangedb/test_exchangedb.c
+++ b/src/exchangedb/test_exchangedb.c
@@ -1185,7 +1185,7 @@ test_wire_fees (struct TALER_EXCHANGEDB_Session *session)
}
/* This must fail as 'end_date' is NOT in the
half-open interval [start_date,end_date) */
- if (GNUNET_OK ==
+ if (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS !=
plugin->get_wire_fee (plugin->cls,
session,
"wire-method",
@@ -1198,7 +1198,7 @@ test_wire_fees (struct TALER_EXCHANGEDB_Session *session)
GNUNET_break (0);
return GNUNET_SYSERR;
}
- if (GNUNET_OK !=
+ if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
plugin->get_wire_fee (plugin->cls,
session,
"wire-method",
@@ -1302,7 +1302,7 @@ test_wire_out (struct TALER_EXCHANGEDB_Session *session,
TALER_amount_subtract (&transfer_value_wt,
&coin_value_wt,
&coin_fee_wt));
- FAILIF (GNUNET_NO !=
+ FAILIF (GNUNET_DB_STATUS_SUCCESS_NO_RESULTS !=
plugin->lookup_wire_transfer (plugin->cls,
session,
&wire_out_wtid,
@@ -1344,7 +1344,7 @@ test_wire_out (struct TALER_EXCHANGEDB_Session *session,
plugin->commit (plugin->cls,
session));
- FAILIF (GNUNET_OK !=
+ FAILIF (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT !=
plugin->lookup_wire_transfer (plugin->cls,
session,
&wire_out_wtid,