exchange

Base system with REST service to issue digital coins, run by the payment service provider
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commit 1e7e0058e85e7399ff39e1fc9eaa4316afd5b91c
parent 7212cd12bc1ac962b59c9542b28e7c2b55f2d171
Author: Christian Grothoff <christian@grothoff.org>
Date:   Wed, 28 Dec 2022 12:41:49 +0100

handle idempotency on purse deletion

Diffstat:

Msrc/exchangedb/exchange_do_delete_purse.sql | 8+++++++-


1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/src/exchangedb/exchange_do_delete_purse.sql b/src/exchangedb/exchange_do_delete_purse.sql
@@ -54,7 +54,13 @@ INSERT INTO purse_deletion
   ,purse_sig)
 VALUES
   (in_purse_pub
-  ,in_purse_sig);
+  ,in_purse_sig)
+ON CONFLICT DO NOTHING;
+
+IF NOT FOUND
+THEN
+  RETURN;
+END IF;
 
 -- store purse decision
 INSERT INTO purse_decision