From d4e27a27cbfa5f787e967c920eb9fc878c9bd0e0 Mon Sep 17 00:00:00 2001
From: SChernykh <sergey.v.chernykh@gmail.com>
Date: Wed, 17 Aug 2022 16:44:40 +0200
Subject: [PATCH] Tweaked SideChain::get_missing_blocks()

---
 src/side_chain.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/side_chain.cpp b/src/side_chain.cpp
index 199fd57..614ce96 100644
--- a/src/side_chain.cpp
+++ b/src/side_chain.cpp
@@ -1904,9 +1904,18 @@ void SideChain::get_missing_blocks(std::vector<hash>& missing_blocks) const
 			missing_blocks.push_back(b.second->m_parent);
 		}
 
+		int num_missing_uncles = 0;
+
 		for (const hash& h : b.second->m_uncles) {
 			if (!h.empty() && (m_blocksById.find(h) == m_blocksById.end())) {
 				missing_blocks.push_back(h);
+
+				// Get no more than 2 first missing uncles at a time from each block
+				// Blocks with more than 2 uncles are very rare and they will be processed in several steps
+				++num_missing_uncles;
+				if (num_missing_uncles >= 2) {
+					break;
+				}
 			}
 		}
 	}