From 464e20b92fdbcd57206868939faac8aa618d9eaa Mon Sep 17 00:00:00 2001
From: Nikko <40539492+Nikkoid@users.noreply.github.com>
Date: Sun, 9 Dec 2018 00:01:10 +0700
Subject: [PATCH] Initial commit

This function generate the genesis for any coin.
---
 creategenesis.cpp | 50 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 50 insertions(+)
 create mode 100644 creategenesis.cpp

diff --git a/creategenesis.cpp b/creategenesis.cpp
new file mode 100644
index 0000000..aaf6555
--- /dev/null
+++ b/creategenesis.cpp
@@ -0,0 +1,50 @@
+// Copyright (c) 2010 Satoshi Nakamoto
+// Copyright (c) 2009-2014 The Bitcoin Core developers
+// Copyright (c) 2014-2017 The Dash Core developers
+// Copyright (c) 2017-2017 The Pura Core developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+Mining algorithm
+
+const arith_uint256 maxUint = UintToArith256(
+        uint256S("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"));
+
+static void MineGenesis(CBlockHeader &genesisBlock, const uint256 &powLimit, bool noProduction) {
+    if (noProduction) genesisBlock.nTime = std::time(0);
+    genesisBlock.nNonce = 0;
+
+    printf("NOTE: Genesis nTime = %u \n", genesisBlock.nTime);
+    printf("WARN: Genesis nNonce (BLANK!) = %u \n", genesisBlock.nNonce);
+
+    arith_uint256 besthash;
+    memset(&besthash, 0xFF, 32);
+    arith_uint256 hashTarget = UintToArith256(powLimit);
+    printf("Target: %s\n", hashTarget.GetHex().c_str());
+    arith_uint256 newhash = UintToArith256(genesisBlock.GetHash());
+    while (newhash > hashTarget) {
+        genesisBlock.nNonce++;
+        if (genesisBlock.nNonce == 0) {
+            printf("NONCE WRAPPED, incrementing time\n");
+            ++genesisBlock.nTime;
+        }
+        // If nothing found after trying for a while, print status
+        if ((genesisBlock.nNonce & 0xffff) == 0)
+            printf("nonce %08X: hash = %s \n(target = %s)\n",
+                   genesisBlock.nNonce, newhash.ToString().c_str(),
+                   hashTarget.ToString().c_str());
+
+        if (newhash < besthash) {
+            besthash = newhash;
+            printf("New best: %s\n", newhash.GetHex().c_str());
+        }
+        newhash = UintToArith256(genesisBlock.GetHash());
+    }
+    printf("Genesis nTime = %u \n", genesisBlock.nTime);
+    printf("Genesis nNonce = %u \n", genesisBlock.nNonce);
+    printf("Genesis nBits: %08x\n", genesisBlock.nBits);
+    printf("Genesis Hash = %s\n", newhash.ToString().c_str());
+    printf("Genesis Hash Merkle Root = %s\n", genesisBlock.hashMerkleRoot.ToString().c_str());
+    printf("Genesis Hash Merkle Root = %s\n", genesisBlock.hashMerkleRoot.ToString().c_str());
+}
+