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| 1 | // If genesis block hash does not match, then generate new genesis hash. | |
| 2 | - | if (false && block.GetHash() != hashGenesisBlock) |
| 2 | + | if (true && block.GetHash() != hashGenesisBlock) |
| 3 | {
| |
| 4 | printf("Searching for genesis block...\n");
| |
| 5 | // This will figure out a valid hash and Nonce if you're | |
| 6 | // creating a different genesis block: | |
| 7 | uint256 hashTarget = CBigNum().SetCompact(block.nBits).getuint256(); | |
| 8 | uint256 thash; | |
| 9 | char scratchpad[SCRYPT_SCRATCHPAD_SIZE]; | |
| 10 | ||
| 11 | loop | |
| 12 | {
| |
| 13 | #if defined(USE_SSE2) | |
| 14 | // Detection would work, but in cases where we KNOW it always has SSE2, | |
| 15 | // it is faster to use directly than to use a function pointer or conditional. | |
| 16 | #if defined(_M_X64) || defined(__x86_64__) || defined(_M_AMD64) || (defined(MAC_OSX) && defined(__i386__)) | |
| 17 | // Always SSE2: x86_64 or Intel MacOS X | |
| 18 | scrypt_1024_1_1_256_sp_sse2(BEGIN(block.nVersion), BEGIN(thash), scratchpad); | |
| 19 | #else | |
| 20 | // Detect SSE2: 32bit x86 Linux or Windows | |
| 21 | scrypt_1024_1_1_256_sp(BEGIN(block.nVersion), BEGIN(thash), scratchpad); | |
| 22 | #endif | |
| 23 | #else | |
| 24 | // Generic scrypt | |
| 25 | scrypt_1024_1_1_256_sp_generic(BEGIN(block.nVersion), BEGIN(thash), scratchpad); | |
| 26 | #endif | |
| 27 | if (thash <= hashTarget) | |
| 28 | break; | |
| 29 | if ((block.nNonce & 0xFFF) == 0) | |
| 30 | {
| |
| 31 | printf("nonce %08X: hash = %s (target = %s)\n", block.nNonce, thash.ToString().c_str(), hashTarget.ToString().c_str());
| |
| 32 | } | |
| 33 | ++block.nNonce; | |
| 34 | if (block.nNonce == 0) | |
| 35 | {
| |
| 36 | printf("NONCE WRAPPED, incrementing time\n");
| |
| 37 | ++block.nTime; | |
| 38 | } | |
| 39 | } | |
| 40 | printf("block.nTime = %u \n", block.nTime);
| |
| 41 | printf("block.nNonce = %u \n", block.nNonce);
| |
| 42 | printf("block.GetHash = %s\n", block.GetHash().ToString().c_str());
| |
| 43 | } |
