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[merchant] branch master updated: try to fix unthrottled merchant-exchan
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Subject: |
[merchant] branch master updated: try to fix unthrottled merchant-exchange interaction on missing wire transfer |
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Date: |
Tue, 25 Feb 2025 20:18:10 +0100 |
This is an automated email from the git hooks/post-receive script.
grothoff pushed a commit to branch master
in repository merchant.
The following commit(s) were added to refs/heads/master by this push:
new 35678332 try to fix unthrottled merchant-exchange interaction on
missing wire transfer
35678332 is described below
commit 35678332df0f2bd45491bc062f06cdc7a4d3b86a
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Tue Feb 25 20:17:58 2025 +0100
try to fix unthrottled merchant-exchange interaction on missing wire
transfer
---
src/backend/taler-merchant-depositcheck.c | 20 ++++++++++-
src/backenddb/pg_insert_deposit_to_transfer.c | 9 ++---
src/backenddb/pg_insert_deposit_to_transfer.h | 4 ++-
src/backenddb/pg_insert_deposit_to_transfer.sql | 19 +++++++----
.../pg_update_deposit_confirmation_status.c | 2 +-
src/backenddb/test_merchantdb.c | 39 ++++++++++++++++------
src/include/taler_merchantdb_plugin.h | 4 ++-
7 files changed, 72 insertions(+), 25 deletions(-)
diff --git a/src/backend/taler-merchant-depositcheck.c
b/src/backend/taler-merchant-depositcheck.c
index ae15a9e7..12f99f4d 100644
--- a/src/backend/taler-merchant-depositcheck.c
+++ b/src/backend/taler-merchant-depositcheck.c
@@ -423,6 +423,7 @@ deposit_get_cb (
case MHD_HTTP_OK:
{
enum GNUNET_DB_QueryStatus qs;
+ bool cleared = false;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Exchange returned wire transfer over %s for deposited coin
%s\n",
@@ -431,7 +432,24 @@ deposit_get_cb (
qs = db_plugin->insert_deposit_to_transfer (
db_plugin->cls,
w->deposit_serial,
- &dr->details.ok);
+ &dr->details.ok,
+ &cleared);
+ if (qs < 0)
+ {
+ GNUNET_break (0);
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ if (! cleared)
+ {
+ qs = db_plugin->update_deposit_confirmation_status (
+ db_plugin->cls,
+ w->deposit_serial,
+ true, /* this failed, wire_pending remains true */
+ GNUNET_TIME_absolute_to_timestamp (future_retry),
+ w->retry_backoff,
+ "wire transfer unknown");
+ }
if (qs < 0)
{
GNUNET_break (0);
diff --git a/src/backenddb/pg_insert_deposit_to_transfer.c
b/src/backenddb/pg_insert_deposit_to_transfer.c
index 7b6e6a79..bbd97075 100644
--- a/src/backenddb/pg_insert_deposit_to_transfer.c
+++ b/src/backenddb/pg_insert_deposit_to_transfer.c
@@ -30,7 +30,8 @@ enum GNUNET_DB_QueryStatus
TMH_PG_insert_deposit_to_transfer (
void *cls,
uint64_t deposit_serial,
- const struct TALER_EXCHANGE_DepositData *dd)
+ const struct TALER_EXCHANGE_DepositData *dd,
+ bool *wpc)
{
struct PostgresClosure *pg = cls;
struct GNUNET_PQ_QueryParam params[] = {
@@ -43,12 +44,11 @@ TMH_PG_insert_deposit_to_transfer (
GNUNET_PQ_query_param_auto_from_type (&dd->wtid),
GNUNET_PQ_query_param_end
};
- bool wpc;
bool conflict;
bool no_exchange_pub;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_bool ("out_wire_pending_cleared",
- &wpc),
+ wpc),
GNUNET_PQ_result_spec_bool ("out_conflict",
&conflict),
GNUNET_PQ_result_spec_bool ("out_no_exchange_pub",
@@ -57,6 +57,7 @@ TMH_PG_insert_deposit_to_transfer (
};
enum GNUNET_DB_QueryStatus qs;
+ *wpc = false;
PREPARE (pg,
"insert_deposit_to_transfer",
"SELECT"
@@ -74,7 +75,7 @@ TMH_PG_insert_deposit_to_transfer (
if (no_exchange_pub)
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Exchange public key unknown (bug!?)\n");
- if (wpc)
+ if (*wpc)
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Wire pending flag cleared (good!)\n");
if (conflict)
diff --git a/src/backenddb/pg_insert_deposit_to_transfer.h
b/src/backenddb/pg_insert_deposit_to_transfer.h
index 049cbcac..b567a109 100644
--- a/src/backenddb/pg_insert_deposit_to_transfer.h
+++ b/src/backenddb/pg_insert_deposit_to_transfer.h
@@ -32,13 +32,15 @@
* @param cls closure
* @param deposit_serial serial number of the deposit
* @param dd deposit transfer data from the exchange to store
+ * @param[out] wpc set to true if the wire_pending flag was cleared
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
TMH_PG_insert_deposit_to_transfer (
void *cls,
uint64_t deposit_serial,
- const struct TALER_EXCHANGE_DepositData *dd);
+ const struct TALER_EXCHANGE_DepositData *dd,
+ bool *wpc);
#endif
diff --git a/src/backenddb/pg_insert_deposit_to_transfer.sql
b/src/backenddb/pg_insert_deposit_to_transfer.sql
index 7ffa19b0..b029eedf 100644
--- a/src/backenddb/pg_insert_deposit_to_transfer.sql
+++ b/src/backenddb/pg_insert_deposit_to_transfer.sql
@@ -80,12 +80,19 @@ INSERT INTO merchant_deposit_to_transfer
IF NOT FOUND
THEN
- -- Same or conflicting wire transfer existed in the table already
- -- Note: we don't distinguish here between
- -- conflict and duplicate. Do we need to?
+ PERFORM FROM merchant_deposit_to_transfer
+ WHERE deposit_serial=in_deposit_serial
+ AND wtid=in_wtid
+ AND signkey_serial=my_signkey_serial
+ AND exchange_sig=in_exchange_sig;
+END IF;
+
+IF NOT FOUND
+THEN
+ -- Conflicting (!) wire transfer existed in the table already
out_conflict=TRUE;
out_wire_pending_cleared=FALSE;
- return;
+ RETURN;
END IF;
out_conflict=FALSE;
@@ -123,9 +130,9 @@ UPDATE merchant_deposit_confirmations
(SELECT 1
FROM merchant_deposits md
LEFT JOIN merchant_deposit_to_transfer mdtt
- USING (wtid)
+ USING (deposit_serial)
WHERE md.deposit_confirmation_serial=my_decose
- AND mdtt.credit_serial IS NULL);
+ AND mdtt.signkey_serial IS NULL);
-- credit_serial will be NULL due to LEFT JOIN
-- if we do not have an entry in mdtt for the deposit
-- and thus some entry in md was not yet wired.
diff --git a/src/backenddb/pg_update_deposit_confirmation_status.c
b/src/backenddb/pg_update_deposit_confirmation_status.c
index d83dc9b0..ea400317 100644
--- a/src/backenddb/pg_update_deposit_confirmation_status.c
+++ b/src/backenddb/pg_update_deposit_confirmation_status.c
@@ -54,7 +54,7 @@ TMH_PG_update_deposit_confirmation_status (
" wire_transfer_deadline=$2"
",exchange_failure=$3"
",retry_backoff=$4"
- ",wire_pending=$5"
+ ",wire_pending=$5 AND wire_pending"
" WHERE deposit_confirmation_serial="
" (SELECT deposit_confirmation_serial"
" FROM merchant_deposits"
diff --git a/src/backenddb/test_merchantdb.c b/src/backenddb/test_merchantdb.c
index 5958742f..4df8e7b6 100644
--- a/src/backenddb/test_merchantdb.c
+++ b/src/backenddb/test_merchantdb.c
@@ -4208,6 +4208,7 @@ test_insert_transfer (const struct InstanceData *instance,
* @param order the order the deposit and transfer were made for.
* @param transfer the transfer.
* @param expected_result the result the database should return.
+ * @param expected_cleared clearance status the database should return.
* @return 0 on success, 1 otherwise.
*/
static int
@@ -4216,7 +4217,8 @@ test_insert_deposit_to_transfer (const struct
InstanceData *instance,
const struct OrderData *order,
const struct DepositData *deposit,
const struct TransferData *transfer,
- enum GNUNET_DB_QueryStatus expected_result)
+ enum GNUNET_DB_QueryStatus expected_result,
+ bool expect_cleared)
{
const struct TALER_EXCHANGE_DepositData deposit_data = {
.exchange_pub = signkey->exchange_pub,
@@ -4228,12 +4230,17 @@ test_insert_deposit_to_transfer (const struct
InstanceData *instance,
uint64_t deposit_serial = get_deposit_serial (instance,
order,
deposit);
+ bool cleared;
TEST_COND_RET_ON_FAIL (expected_result ==
plugin->insert_deposit_to_transfer (plugin->cls,
deposit_serial,
- &deposit_data),
+ &deposit_data,
+ &cleared),
"insert deposit to transfer failed\n");
+ TEST_COND_RET_ON_FAIL (expect_cleared ==
+ cleared,
+ "cleared status wrong");
return 0;
}
@@ -4255,13 +4262,13 @@ test_insert_transfer_details (
enum GNUNET_DB_QueryStatus expected_result)
{
TEST_COND_RET_ON_FAIL (expected_result ==
- plugin->insert_transfer_details (plugin->cls,
-
instance->instance.id,
-
transfer->exchange_url
- ,
- account->payto_uri,
- &transfer->wtid,
- &transfer->data),
+ plugin->insert_transfer_details (
+ plugin->cls,
+ instance->instance.id,
+ transfer->exchange_url,
+ account->payto_uri,
+ &transfer->wtid,
+ &transfer->data),
"Insert transfer details failed\n");
return 0;
}
@@ -4452,13 +4459,15 @@ run_test_transfers (struct TestTransfers_Closure *cls)
&cls->order,
&cls->deposit,
&cls->transfers[0],
-
GNUNET_DB_STATUS_SUCCESS_ONE_RESULT));
+
GNUNET_DB_STATUS_SUCCESS_ONE_RESULT,
+ false));
TEST_RET_ON_FAIL (test_insert_deposit_to_transfer (&cls->instance,
&cls->signkey,
&cls->order,
&cls->deposit,
&cls->transfers[0],
-
GNUNET_DB_STATUS_SUCCESS_NO_RESULTS));
+
GNUNET_DB_STATUS_SUCCESS_ONE_RESULT,
+ false));
TEST_RET_ON_FAIL (test_insert_transfer_details (&cls->instance,
&cls->account,
&cls->transfers[0],
@@ -4482,6 +4491,14 @@ run_test_transfers (struct TestTransfers_Closure *cls)
cls->transfers[0].confirmed = true;
TEST_RET_ON_FAIL (test_lookup_transfer (&cls->instance,
&cls->transfers[0]));
+ TEST_RET_ON_FAIL (test_insert_deposit_to_transfer (&cls->instance,
+ &cls->signkey,
+ &cls->order,
+ &cls->deposit,
+ &cls->transfers[0],
+
GNUNET_DB_STATUS_SUCCESS_ONE_RESULT,
+ true));
+
TEST_RET_ON_FAIL (test_lookup_transfer_summary (cls->deposit.exchange_url,
&cls->transfers[0].wtid,
cls->order.id,
diff --git a/src/include/taler_merchantdb_plugin.h
b/src/include/taler_merchantdb_plugin.h
index 104a73e3..0a401495 100644
--- a/src/include/taler_merchantdb_plugin.h
+++ b/src/include/taler_merchantdb_plugin.h
@@ -2627,12 +2627,14 @@ struct TALER_MERCHANTDB_Plugin
* @param cls closure
* @param deposit_serial serial number of the deposit
* @param dd deposit transfer data from the exchange to store
+ * @param[out] wpc set to true if the wire_pending flag was cleared
* @return transaction status
*/
enum GNUNET_DB_QueryStatus
(*insert_deposit_to_transfer)(void *cls,
uint64_t deposit_serial,
- const struct TALER_EXCHANGE_DepositData *dd);
+ const struct TALER_EXCHANGE_DepositData *dd,
+ bool *wpc);
/**
--
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