From d516a21d54aed18aa678b4f556fe28758b6b286b Mon Sep 17 00:00:00 2001
From: Duke Leto <duke@leto.net>
Date: Sat, 11 Jul 2020 11:10:15 -0400
Subject: [PATCH] Create setter to modify blocktime consensus params at
 run-time

---
 src/chainparams.cpp |  8 ++++++++
 src/chainparams.h   |  1 +
 src/main.cpp        | 12 +++++-------
 3 files changed, 14 insertions(+), 7 deletions(-)

diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 0a2b819e7..f14e2d9ef 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -544,6 +544,14 @@ int32_t MAX_BLOCK_SIZE(int32_t height)
     else return(2000000);
 }
 
+// Change the Hush blocktime at run-time(!)
+void hush_changeblocktime()
+{
+    pCurrentParams->consensus.nMaxFutureBlockTime = 7 * ASSETCHAINS_BLOCKTIME;
+    pCurrentParams->consensus.nPowTargetSpacing = ASSETCHAINS_BLOCKTIME;
+    fprintf(stderr,"HUSH blocktime changing to %d seconds\n",ASSETCHAINS_BLOCKTIME);
+}
+
 void komodo_setactivation(int32_t height)
 {
     pCurrentParams->consensus.vUpgrades[Consensus::UPGRADE_SAPLING].nActivationHeight = height;
diff --git a/src/chainparams.h b/src/chainparams.h
index daa16af8c..7bd1057ec 100644
--- a/src/chainparams.h
+++ b/src/chainparams.h
@@ -1,5 +1,6 @@
 // Copyright (c) 2009-2010 Satoshi Nakamoto
 // Copyright (c) 2009-2014 The Bitcoin Core developers
+// Copyright (c) 2019-2020 The Hush developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
diff --git a/src/main.cpp b/src/main.cpp
index 00d470573..d4426e181 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -85,6 +85,7 @@ int32_t komodo_block2pubkey33(uint8_t *pubkey33,CBlock *block);
 //void komodo_broadcast(CBlock *pblock,int32_t limit);
 bool Getscriptaddress(char *destaddr,const CScript &scriptPubKey);
 void komodo_setactivation(int32_t height);
+void hush_changeblocktime();
 void komodo_pricesupdate(int32_t height,CBlock *pblock);
 
 BlockMap mapBlockIndex;
@@ -3233,9 +3234,8 @@ bool DisconnectBlock(CBlock& block, CValidationState& state, CBlockIndex* pindex
     int nHeight = pindex->pprev->GetHeight();
     if (ishush3 && (ASSETCHAINS_BLOCKTIME != 150) && (nHeight < nFirstHalvingHeight)) {
         LogPrintf("%s: Setting blocktime to 150s at height %d!\n",__func__,nHeight);
-        ASSETCHAINS_BLOCKTIME = 150;
-        Params.GetConsensus().nMaxFutureBlockTime = 7 * ASSETCHAINS_BLOCKTIME;
-        Params.GetConsensus().nPowTargetSpacing   = ASSETCHAINS_BLOCKTIME;
+        ASSETCHAINS_BLOCKTIME      = 150;
+        hush_changeblocktime();
     }
 
 
@@ -3388,8 +3388,7 @@ bool ConnectBlock(const CBlock& block, CValidationState& state, CBlockIndex* pin
     if (ishush3 && (ASSETCHAINS_BLOCKTIME != 75) && (chainActive.Height() >= nFirstHalvingHeight)) {
         LogPrintf("%s: Blocktime halving to 75s at height %d!\n",__func__,pindex->GetHeight());
         ASSETCHAINS_BLOCKTIME = 75;
-        Params.GetConsensus().nMaxFutureBlockTime = 7 * ASSETCHAINS_BLOCKTIME;
-        Params.GetConsensus().nPowTargetSpacing   = ASSETCHAINS_BLOCKTIME;
+        hush_changeblocktime();
     }
 
     bool fExpensiveChecks = true;
@@ -3992,8 +3991,7 @@ void static UpdateTip(CBlockIndex *pindexNew) {
         if (ASSETCHAINS_BLOCKTIME != 75 && (chainActive.Height() >= nFirstHalvingHeight)) {
             LogPrintf("%s: Blocktime halving to 75s at height %d!\n",__func__,chainActive.Height());
             ASSETCHAINS_BLOCKTIME = 75;
-            Params.GetConsensus().nMaxFutureBlockTime = 7 * ASSETCHAINS_BLOCKTIME;
-            Params.GetConsensus().nPowTargetSpacing   = ASSETCHAINS_BLOCKTIME;
+            hush_changeblocktime();
         }
     }