From 42b2a0ff8c7fa9211d187d826230bf799de381e7 Mon Sep 17 00:00:00 2001
From: SergiySW <sergiysw@gmail.com>
Date: Fri, 28 Sep 2018 04:20:19 +0300
Subject: [PATCH]  Escalation for long unconfirmed elections (#1237)

---
 rai/node/node.cpp | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/rai/node/node.cpp b/rai/node/node.cpp
index de5b2004..c63a93a5 100644
--- a/rai/node/node.cpp
+++ b/rai/node/node.cpp
@@ -3946,6 +3946,30 @@ void rai::active_transactions::announce_votes ()
 					auto tally_l (election_l->tally (transaction));
 					election_l->log_votes (tally_l);
 				}
+				/* Escalation for long unconfirmed elections
+				Start new elections for previous block & source
+				if there are less than 100 active elections */
+				if (i->announcements % announcement_long == 1 && roots.size () < 100)
+				{
+					auto previous_hash (election_l->status.winner->previous ());
+					if (!previous_hash.is_zero ())
+					{
+						auto previous (node.store.block_get (transaction, previous_hash));
+						if (previous != nullptr)
+						{
+							start (std::move (previous));
+						}
+					}
+					auto source_hash (node.ledger.block_source (transaction, *election_l->status.winner));
+					if (!source_hash.is_zero ())
+					{
+						auto source (node.store.block_get (transaction, source_hash));
+						if (source != nullptr)
+						{
+							start (std::move (source));
+						}
+					}
+				}
 			}
 			if (i->announcements < announcement_long || i->announcements % announcement_long == 1)
 			{