From 1c8bdce50c4c6440a0eaefca72ec4b86283c2a88 Mon Sep 17 00:00:00 2001
From: aitbc <aitbc@keisanki.net>
Date: Wed, 29 Apr 2026 17:08:43 +0200
Subject: [PATCH] fix: Use proper JSON parsing for chain ID in
 sync-verification

- Replace grep-based parsing with python3 JSON parsing
- Increase timeout from 5 to 10 seconds for RPC calls
- Fixes Not Found error when querying chain ID from aitbc1
- Same fix pattern as blockchain-health-check.sh
---
 scripts/multi-node/sync-verification.sh | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/scripts/multi-node/sync-verification.sh b/scripts/multi-node/sync-verification.sh
index 966e3bee..e33490df 100755
--- a/scripts/multi-node/sync-verification.sh
+++ b/scripts/multi-node/sync-verification.sh
@@ -72,12 +72,15 @@ get_block_height() {
 get_chain_id() {
     local node_ip="$1"
     
-    # Get chain ID from /health endpoint
-    chain_id=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/health" 2>/dev/null | grep -o '"supported_chains":\["[^"]*"\]' | grep -o '\["[^"]*"\]' | grep -o '[^"\[\]]*' || echo "")
+    # Get chain ID from /health endpoint using proper JSON parsing
+    local health_response=$(curl -s --max-time 10 "http://${node_ip}:${RPC_PORT}/health" 2>/dev/null)
     
-    if [ -z "$chain_id" ]; then
+    # Check if response is valid JSON and contains supported_chains
+    if echo "$health_response" | python3 -c "import sys, json; data = json.load(sys.stdin); print(','.join(data.get('supported_chains', [])))" 2>/dev/null; then
+        chain_id=$(echo "$health_response" | python3 -c "import sys, json; data = json.load(sys.stdin); print(','.join(data.get('supported_chains', [])))" 2>/dev/null)
+    else
         # Try alternative endpoint
-        chain_id=$(curl -s --max-time 5 "http://${node_ip}:${RPC_PORT}/chain-id" 2>/dev/null || echo "")
+        chain_id=$(curl -s --max-time 10 "http://${node_ip}:${RPC_PORT}/chain-id" 2>/dev/null || echo "")
     fi
     
     echo "$chain_id"