From c6c862d482c027dee7fa93a90021d1aeae40952f Mon Sep 17 00:00:00 2001
From: Srdjan Obucina <obucinac@gmail.com>
Date: Sun, 19 Apr 2020 05:00:59 +0200
Subject: [PATCH] Add check for settle proposal duplicate

---
 .../plugins/peerplays_sidechain/sidechain_net_handler.cpp     | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/libraries/plugins/peerplays_sidechain/sidechain_net_handler.cpp b/libraries/plugins/peerplays_sidechain/sidechain_net_handler.cpp
index 30278919..b769ddfa 100644
--- a/libraries/plugins/peerplays_sidechain/sidechain_net_handler.cpp
+++ b/libraries/plugins/peerplays_sidechain/sidechain_net_handler.cpp
@@ -455,6 +455,10 @@ void sidechain_net_handler::settle_sidechain_transactions() {
          return;
       }
 
+      if (proposal_exists(chain::operation::tag<chain::sidechain_transaction_settle_operation>::value, sto.id)) {
+         return;
+      }
+
       ilog("Sidechain transaction to settle: ${sto}", ("sto", sto.id));
 
       int64_t settle_amount = settle_sidechain_transaction(sto);