From 2323fff7ac6dab75db68b4a165ce56263a6ff9b3 Mon Sep 17 00:00:00 2001
From: Alexander Block <ablock84@gmail.com>
Date: Mon, 16 Mar 2020 11:15:55 +0100
Subject: [PATCH] Faster opening of masternode connections

Only sleep 100ms when we previously tried to connect a MN. The back-off
logic in ThreadOpenMasternodeConnections will prevent too many unsuccessful
connects to offline/bad nodes.
---
 src/net.cpp | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/net.cpp b/src/net.cpp
index 0448b09d9e3b..bb44627a2413 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -2102,11 +2102,18 @@ void CConnman::ThreadOpenMasternodeConnections()
 
     auto& chainParams = Params();
 
+    bool didConnect = false;
     while (!interruptNet)
     {
-        if (!interruptNet.sleep_for(std::chrono::milliseconds(1000)))
+        int sleepTime = 1000;
+        if (didConnect) {
+            sleepTime = 100;
+        }
+        if (!interruptNet.sleep_for(std::chrono::milliseconds(sleepTime)))
             return;
 
+        didConnect = false;
+
         std::set<CService> connectedNodes;
         std::set<uint256> connectedProRegTxHashes;
         ForEachNode([&](const CNode* pnode) {
@@ -2170,6 +2177,8 @@ void CConnman::ThreadOpenMasternodeConnections()
             continue;
         }
 
+        didConnect = true;
+
         mmetaman.GetMetaInfo(connectToDmn->proTxHash)->SetLastOutboundAttempt(nANow);
 
         OpenMasternodeConnection(CAddress(connectToDmn->pdmnState->addr, NODE_NETWORK));