From a2bf43c0e6f1e891fa80eb726d0e8dfa466d9f40 Mon Sep 17 00:00:00 2001
From: Matt Hess <mxhess@gmail.com>
Date: Wed, 17 Dec 2025 05:54:30 +0000
Subject: [PATCH] fix post start sync hang

---
 src/p2pool.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/p2pool.cpp b/src/p2pool.cpp
index ee7932d..54efc44 100644
--- a/src/p2pool.cpp
+++ b/src/p2pool.cpp
@@ -1464,6 +1464,10 @@ void p2pool::download_block_headers4(uint64_t start_height, uint64_t current_hei
 					// Pre-fetch recent mainchain blocks to populate cache before sidechain sync
 					prefetch_mainchain_blocks(current_height);
 
+					// Retry verification of any unverified sidechain blocks now that mainchain data is available
+					// This catches up the sidechain immediately instead of waiting for the next ZMQ notification
+					m_sideChain->retry_unverified_blocks();
+
 					api_update_network_stats();
 					get_miner_data();