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authorChristian Grothoff <christian@grothoff.org>2017-10-16 17:25:13 +0200
committerChristian Grothoff <christian@grothoff.org>2017-10-16 17:57:29 +0200
commit272f1135fca8bfd667dccc84f2bd6f31b7d2cc90 (patch)
tree4ab604ec478dacae6c10903af5d92da4d27f0f9d /src/exchangedb/plugin_exchangedb_postgres.c
parent4a845205144875ae6be960fa02d5c0f4a82130dc (diff)
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add exchangedb function for #4961
Diffstat (limited to 'src/exchangedb/plugin_exchangedb_postgres.c')
-rw-r--r--src/exchangedb/plugin_exchangedb_postgres.c153
1 files changed, 153 insertions, 0 deletions
diff --git a/src/exchangedb/plugin_exchangedb_postgres.c b/src/exchangedb/plugin_exchangedb_postgres.c
index 807c1913..d39adf2c 100644
--- a/src/exchangedb/plugin_exchangedb_postgres.c
+++ b/src/exchangedb/plugin_exchangedb_postgres.c
@@ -1300,6 +1300,29 @@ postgres_prepare (PGconn *db_conn)
" ORDER BY prewire_uuid ASC"
" LIMIT 1;",
0),
+ /* Used in #postgres_select_deposits_missing_wire */
+ GNUNET_PQ_make_prepare ("deposits_get_overdue",
+ "SELECT"
+ " deposit_serial_id"
+ ",coin_pub"
+ ",amount_with_fee_val"
+ ",amount_with_fee_frac"
+ ",amount_with_fee_curr"
+ ",wire"
+ ",wire_deadline"
+ ",tiny"
+ ",done"
+ " FROM deposits"
+ " WHERE wire_deadline <= $1"
+ " AND wire_deadline > $2"
+ " AND NOT (EXISTS (SELECT 1"
+ " FROM refunds"
+ " WHERE (refunds.coin_pub = deposits.coin_pub))"
+ " OR EXISTS (SELECT 1"
+ " FROM aggregation_tracking"
+ " WHERE (aggregation_tracking.deposit_serial_id = deposits.deposit_serial_id)))"
+ " ORDER BY wire_deadline ASC",
+ 2),
/* Used in #postgres_gc() */
GNUNET_PQ_make_prepare ("gc_prewire",
"DELETE"
@@ -6217,6 +6240,135 @@ postgres_get_denomination_revocation (void *cls,
/**
+ * Closure for #missing_wire_cb().
+ */
+struct MissingWireContext
+{
+ /**
+ * Function to call per result.
+ */
+ TALER_EXCHANGEDB_WireMissingCallback cb;
+
+ /**
+ * Closure for @e cb.
+ */
+ void *cb_cls;
+
+ /**
+ * Set to #GNUNET_SYSERR on error.
+ */
+ int status;
+};
+
+
+/**
+ * Invoke the callback for each result.
+ *
+ * @param cls a `struct MissingWireContext *`
+ * @param result SQL result
+ * @param num_results number of rows in @a result
+ */
+static void
+missing_wire_cb (void *cls,
+ PGresult *result,
+ unsigned int num_results)
+{
+ struct MissingWireContext *mwc = cls;
+
+ while (0 < num_results)
+ {
+ uint64_t rowid;
+ struct TALER_CoinSpendPublicKeyP coin_pub;
+ struct TALER_Amount amount;
+ json_t *wire;
+ struct GNUNET_TIME_Absolute deadline;
+ /* bool? */ uint32_t tiny;
+ /* bool? */ uint32_t done;
+ struct GNUNET_PQ_ResultSpec rs[] = {
+ GNUNET_PQ_result_spec_uint64 ("deposit_serial_id",
+ &rowid),
+ GNUNET_PQ_result_spec_auto_from_type ("coin_pub",
+ &coin_pub),
+ TALER_PQ_result_spec_amount ("amount_with_fee",
+ &amount),
+ TALER_PQ_result_spec_json ("wire",
+ &wire),
+ GNUNET_PQ_result_spec_absolute_time ("wire_deadline",
+ &deadline),
+ GNUNET_PQ_result_spec_uint32 ("tiny",
+ &tiny),
+ GNUNET_PQ_result_spec_uint32 ("done",
+ &done),
+ GNUNET_PQ_result_spec_end
+ };
+
+ if (GNUNET_OK !=
+ GNUNET_PQ_extract_result (result,
+ rs,
+ --num_results))
+ {
+ GNUNET_break (0);
+ mwc->status = GNUNET_SYSERR;
+ return;
+ }
+ mwc->cb (mwc->cb_cls,
+ rowid,
+ &coin_pub,
+ &amount,
+ wire,
+ deadline,
+ tiny,
+ done);
+ GNUNET_PQ_cleanup_result (rs);
+ }
+}
+
+
+/**
+ * Select all of those deposits in the database for which we do
+ * not have a wire transfer (or a refund) and which should have
+ * been deposited between @a start_date and @a end_date.
+ *
+ * @param cls closure
+ * @param session a session
+ * @param start_date lower bound on the requested wire execution date
+ * @param end_date upper bound on the requested wire execution date
+ * @param cb function to call on all such deposits
+ * @param cb_cls closure for @a cb
+ * @return transaction status code
+ */
+static enum GNUNET_DB_QueryStatus
+postgres_select_deposits_missing_wire (void *cls,
+ struct TALER_EXCHANGEDB_Session *session,
+ struct GNUNET_TIME_Absolute start_date,
+ struct GNUNET_TIME_Absolute end_date,
+ TALER_EXCHANGEDB_WireMissingCallback cb,
+ void *cb_cls)
+{
+ struct GNUNET_PQ_QueryParam params[] = {
+ GNUNET_PQ_query_param_absolute_time (&start_date),
+ GNUNET_PQ_query_param_absolute_time (&end_date),
+ GNUNET_PQ_query_param_end
+ };
+ struct MissingWireContext mwc = {
+ .cb = cb,
+ .cb_cls = cb_cls,
+ .status = GNUNET_OK
+ };
+ enum GNUNET_DB_QueryStatus qs;
+
+ qs = GNUNET_PQ_eval_prepared_multi_select (session->conn,
+ "deposits_get_overdue",
+ params,
+ &missing_wire_cb,
+ &mwc);
+ if (GNUNET_OK != mwc.status)
+ return GNUNET_DB_STATUS_HARD_ERROR;
+ return qs;
+}
+
+
+/**
* Initialize Postgres database subsystem.
*
* @param cls a configuration instance
@@ -6337,6 +6489,7 @@ libtaler_plugin_exchangedb_postgres_init (void *cls)
plugin->get_reserve_by_h_blind = &postgres_get_reserve_by_h_blind;
plugin->insert_denomination_revocation = &postgres_insert_denomination_revocation;
plugin->get_denomination_revocation = &postgres_get_denomination_revocation;
+ plugin->select_deposits_missing_wire = &postgres_select_deposits_missing_wire;
return plugin;
}