From 82ae8088deb6da4b5f655e933aff58f72e79625b Mon Sep 17 00:00:00 2001
From: Oscar Guindzberg <oscar.guindzberg@gmail.com>
Date: Thu, 9 Jun 2016 16:50:04 -0300
Subject: [PATCH] Disable retargeting for regtest

---
 core/src/main/java/org/bitcoinj/params/RegTestParams.java | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/core/src/main/java/org/bitcoinj/params/RegTestParams.java b/core/src/main/java/org/bitcoinj/params/RegTestParams.java
index d426b0af6..5bde32c22 100644
--- a/core/src/main/java/org/bitcoinj/params/RegTestParams.java
+++ b/core/src/main/java/org/bitcoinj/params/RegTestParams.java
@@ -30,7 +30,9 @@ public class RegTestParams extends TestNet2Params {
 
     public RegTestParams() {
         super();
-        interval = 10000;
+        // Difficulty adjustments are disabled for regtest. 
+        // By setting the block interval for difficulty adjustments to Integer.MAX_VALUE we make sure difficulty never changes.    
+        interval = Integer.MAX_VALUE;
         maxTarget = MAX_TARGET;
         subsidyDecreaseBlockCount = 150;
         port = 18444;