From b3b594039d97cf58e58b3800e22f104ad7d190aa Mon Sep 17 00:00:00 2001
From: Evan <evan@evan-ubuntu>
Date: Fri, 10 Jan 2014 18:38:44 -0700
Subject: [PATCH] added nouce calculation

---
 src/main.cpp | 34 ++++++++++++++++++++++++++++++++--
 1 file changed, 32 insertions(+), 2 deletions(-)

diff --git a/src/main.cpp b/src/main.cpp
index 9f70191c1a..fae601b53b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -31,7 +31,7 @@ CTxMemPool mempool;
 unsigned int nTransactionsUpdated = 0;
 
 map<uint256, CBlockIndex*> mapBlockIndex;
-uint256 hashGenesisBlock("0x61a8e2e4a21ff79a135f0928e958ef3e9d8031f52a977ac0f49cfd9cecb33cf6");
+uint256 hashGenesisBlock("0xa8f2c5db0ff04ecc771dc58964473b5d565902628b05b13130f157dab27701ba");
 static CBigNum bnProofOfWorkLimit(~uint256(0) >> 20); // Xcoin: starting difficulty is 1 / 2^12
 CBlockIndex* pindexGenesisBlock = NULL;
 int nBestHeight = -1;
@@ -2770,7 +2770,7 @@ bool InitBlockIndex() {
         block.nVersion = 1;
         block.nTime    = 1389401959;
         block.nBits    = 0x1e0ffff0;
-        block.nNonce   = 1084524493;
+        block.nNonce   = 17355177984;
 
         if (fTestNet)
         {
@@ -2778,6 +2778,36 @@ bool InitBlockIndex() {
             block.nNonce   = 385270584;
         }
 
+        if (true && block.GetHash() != hashGenesisBlock)
+        {
+            printf("Searching for genesis block...\n");
+            // This will figure out a valid hash and Nonce if you're
+            // creating a different genesis block:
+            uint256 hashTarget = CBigNum().SetCompact(block.nBits).getuint256();
+            uint256 thash;
+            char scratchpad[SCRYPT_SCRATCHPAD_SIZE];
+
+            loop
+            {
+                scrypt_1024_1_1_256_sp(BEGIN(block.nVersion), BEGIN(thash), scratchpad);
+                if (thash <= hashTarget)
+                    break;
+                if ((block.nNonce & 0xFFF) == 0)
+                {
+                    printf("nonce %08X: hash = %s (target = %s)\n", block.nNonce, thash.ToString().c_str(), hashTarget.ToString().c_str());
+                }
+                ++block.nNonce;
+                if (block.nNonce == 0)
+                {
+                    printf("NONCE WRAPPED, incrementing time\n");
+                    ++block.nTime;
+                }
+            }
+            printf("block.nTime = %u \n", block.nTime);
+            printf("block.nNonce = %u \n", block.nNonce);
+            printf("block.GetHash = %s\n", block.GetHash().ToString().c_str());
+        }
+
         //// debug print
         uint256 hash = block.GetHash();
         printf("%s\n", hash.ToString().c_str());