Myriadcoin 0.11 port

src/primitives/pureheader.cpp

@@ -0,0 +1,77 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Distributed under the MIT/X11 software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#include "primitives/pureheader.h"
+
+#include "chainparams.h"
+#include "crypto/hashgroestl.h"
+#include "crypto/hashqubit.h"
+#include "crypto/hashskein.h"
+#include "crypto/scrypt.h"
+#include "hash.h"
+#include "utilstrencodings.h"
+
+uint256 CPureBlockHeader::GetHash() const
+{
+    return SerializeHash(*this);
+}
+
+uint256 CPureBlockHeader::GetPoWHash(int algo) const
+{
+    switch(algo)
+    {
+        case ALGO_SHA256D:
+            return GetHash();
+        case ALGO_SCRYPT:
+        {
+            uint256 thash;
+            scrypt_1024_1_1_256(BEGIN(nVersion), BEGIN(thash));
+            return thash;
+        }
+        case ALGO_GROESTL:
+            return HashGroestl(BEGIN(nVersion), END(nNonce));
+        case ALGO_SKEIN:
+            return HashSkein(BEGIN(nVersion), END(nNonce));
+        case ALGO_QUBIT:
+            return HashQubit(BEGIN(nVersion), END(nNonce));
+    }
+    return GetHash();
+}
+
+int GetAlgo(int nVersion)
+{
+    switch (nVersion & BLOCK_VERSION_ALGO)
+    {
+        case 0:
+            return ALGO_SHA256D;
+        case BLOCK_VERSION_SCRYPT:
+            return ALGO_SCRYPT;
+        case BLOCK_VERSION_GROESTL:
+            return ALGO_GROESTL;
+        case BLOCK_VERSION_SKEIN:
+            return ALGO_SKEIN;
+        case BLOCK_VERSION_QUBIT:
+            return ALGO_QUBIT;
+    }
+    return ALGO_SHA256D;
+}
+
+std::string GetAlgoName(int Algo)
+{
+    switch (Algo)
+    {
+        case ALGO_SHA256D:
+            return std::string("sha256d");
+        case ALGO_SCRYPT:
+            return std::string("scrypt");
+        case ALGO_GROESTL:
+            return std::string("groestl");
+        case ALGO_SKEIN:
+            return std::string("skein");
+        case ALGO_QUBIT:
+            return std::string("qubit");
+    }
+    return std::string("unknown");       
+}