From a2a8080a9eb89ac5a40edf5c9e5590fc20d1d6df Mon Sep 17 00:00:00 2001
From: Omar Abdulaziz <omarabdul3ziz@gmail.com>
Date: Sat, 31 Aug 2024 17:11:52 +0300
Subject: [PATCH 1/2] lock cache row to prevent concurrent updates

---
 grid-proxy/internal/explorer/db/setup.sql | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/grid-proxy/internal/explorer/db/setup.sql b/grid-proxy/internal/explorer/db/setup.sql
index d349ef3e..7f54733b 100644
--- a/grid-proxy/internal/explorer/db/setup.sql
+++ b/grid-proxy/internal/explorer/db/setup.sql
@@ -408,6 +408,12 @@ $$
 BEGIN
     IF (TG_OP = 'UPDATE' AND NEW.state = 'Deleted') THEN
         BEGIN
+            -- lock cache row to prevent concurrent updates
+            PERFORM 1
+            FROM resources_cache 
+            WHERE node_id = NEW.node_id
+            FOR UPDATE;
+
             UPDATE resources_cache
             SET 
                 used_cru = resources_cache.used_cru - contract_resources.cru,
@@ -621,7 +627,7 @@ BEGIN
 
             total_ips = total_ips + (
                 CASE 
-                WHEN TG_OP = 'INSERT' 
+                WHEN TG_OP = 'INSERT'
                     THEN 1 
                 WHEn TG_OP = 'DELETE'
                     THEN -1

From 603a57a53db1cd3987f0c7b09dfeb31f732a8866 Mon Sep 17 00:00:00 2001
From: Omar Abdulaziz <omarabdul3ziz@gmail.com>
Date: Sun, 1 Sep 2024 10:45:26 +0300
Subject: [PATCH 2/2] update chart and changelog

---
 grid-proxy/CHANGELOG.md                | 10 +++++++---
 grid-proxy/charts/gridproxy/Chart.yaml |  2 +-
 2 files changed, 8 insertions(+), 4 deletions(-)

diff --git a/grid-proxy/CHANGELOG.md b/grid-proxy/CHANGELOG.md
index 2867ad09..b4f0c34e 100644
--- a/grid-proxy/CHANGELOG.md
+++ b/grid-proxy/CHANGELOG.md
@@ -6,11 +6,15 @@ Check `/version` on any instance to know the version.
 
 ### 3.13
 
----
+## Releases
 
-- include releases from v0.13.5 to v0.14.11
+### v0.15.12
 
-## Releases
+---
+
+- `fix` serialization_failure due to concurrent update
+- `feat` include gpu cards in the node response
+- `feat` use proper level logging
 
 ### v0.15.11
 
diff --git a/grid-proxy/charts/gridproxy/Chart.yaml b/grid-proxy/charts/gridproxy/Chart.yaml
index 7724c0d4..07fa8f3b 100644
--- a/grid-proxy/charts/gridproxy/Chart.yaml
+++ b/grid-proxy/charts/gridproxy/Chart.yaml
@@ -20,6 +20,6 @@ version: 1.0.0
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to
 # follow Semantic Versioning. They should reflect the version the application is using.
-appVersion: 0.15.11
+appVersion: 0.15.12
 
 # make sure to update the changelog with the changes in this release