From 23b0fe34f526693985099d9160806d00d48a9ecd Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Fri, 3 Feb 2017 19:14:02 +0000
Subject: [PATCH] bitcoin-tx: rbfoptin: Avoid touching nSequence if the value
 is already opting in

---
 src/bitcoin-tx.cpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/bitcoin-tx.cpp b/src/bitcoin-tx.cpp
index a67c42ec5..367801dd7 100644
--- a/src/bitcoin-tx.cpp
+++ b/src/bitcoin-tx.cpp
@@ -216,7 +216,9 @@ static void MutateTxRBFOptIn(CMutableTransaction& tx, const std::string& strInId
     int cnt = 0;
     for (CTxIn& txin : tx.vin) {
         if (strInIdx == "" || cnt == inIdx) {
-            txin.nSequence = MAX_BIP125_RBF_SEQUENCE;
+            if (txin.nSequence > MAX_BIP125_RBF_SEQUENCE) {
+                txin.nSequence = MAX_BIP125_RBF_SEQUENCE;
+            }
         }
         ++cnt;
     }