From 218424f4607ae6562b3ebc021d898ed70628ecf3 Mon Sep 17 00:00:00 2001
From: aitbc <aitbc@keisanki.net>
Date: Wed, 20 May 2026 10:11:10 +0200
Subject: [PATCH] fix: use psycopg2 instead of psycopg for PostgreSQL
 connection

- Fix connection string to use postgresql+psycopg2://
- Add libpq-dev for PostgreSQL development headers
- Update deployment script with correct PostgreSQL driver
---
 scripts/deployment/deploy-integrated-blockchain-node.sh | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/scripts/deployment/deploy-integrated-blockchain-node.sh b/scripts/deployment/deploy-integrated-blockchain-node.sh
index 41b75f37..1807e1c9 100755
--- a/scripts/deployment/deploy-integrated-blockchain-node.sh
+++ b/scripts/deployment/deploy-integrated-blockchain-node.sh
@@ -136,12 +136,12 @@ setup_directories() {
 setup_postgresql() {
     log_info "Setting up PostgreSQL for mempool..."
     
-    # Install PostgreSQL
+    # Install PostgreSQL and development headers
     if command -v apt-get &> /dev/null; then
         apt-get update
-        apt-get install -y postgresql postgresql-contrib python3-psycopg2
+        apt-get install -y postgresql postgresql-contrib libpq-dev
     elif command -v yum &> /dev/null; then
-        yum install -y postgresql-server postgresql-contrib python3-psycopg2
+        yum install -y postgresql-server postgresql-contrib postgresql-devel
     else
         log_error "Unsupported package manager"
         exit 1
@@ -189,7 +189,7 @@ ENABLE_BLOCK_PRODUCTION=false
 GOSSIP_BROADCAST_URL=redis://127.0.0.1:6379
 CROSS_SITE_REMOTE_ENDPOINTS=
 MEMPOOL_BACKEND=database
-MEMPOOL_DB_URL=postgresql+psycopg://aitbc_mempool:aitbc_mempool_password@localhost:5432/aitbc_mempool
+MEMPOOL_DB_URL=postgresql+psycopg2://aitbc_mempool:aitbc_mempool_password@localhost:5432/aitbc_mempool
 EOF
         chmod 600 "$ENV_FILE"
         log_info "Created $ENV_FILE with chain ID: $CHAIN_ID"