From f036bb7e90a229a7f5bc6491299f7e30befd424d Mon Sep 17 00:00:00 2001
From: jl777 <jameslee777@yahoo.com>
Date: Mon, 5 Aug 2019 09:11:25 -1100
Subject: [PATCH] *= 2 and average

---
 src/pow.cpp | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/pow.cpp b/src/pow.cpp
index da7c8595c..a0352c807 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -302,13 +302,19 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
                         bnTarget = (origtarget + bnTarget + bnPrev) / arith_uint256(3);
                     else bnTarget = origtarget;
                 }
-                else
+                else if ( pindexLast->GetHeight()+1 < 290 )
                 {
                     if ( bnTarget < origtarget )
                         bnTarget = bnTarget * arith_uint256(2);
                 }
+                else
+                {
+                    bnTarget *= arith_uint256(2);
+                    if ( bnTarget < origtarget )
+                        bnTarget = (origtarget + bnTarget + bnPrev) / arith_uint256(3);
+                    else bnTarget = origtarget;
+                }
             }
-            
         }
         nbits = bnTarget.GetCompact();
     }