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POHow to create a genesis block of my altercoin?
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  1. POHow to create a genesis block of my altercoin?
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    copied!<p>I create my new altercoin,but when I first run it,it already shows:"No block source available 5 week(s) behind". And I start anther computer in the LAN, they link succefully. I use the code of Datacoin.</p> <pre><code>static const uint256 hashGenesisBlockOfficial("f9f6d9a689f7a4093c71f397d8fe3fbef3a05cd6f919d51b4a9447aa22743dfb"); static const uint256 hashGenesisBlockTestNet("f9f6d9a689f7a4093c71f397d8fe3fbef3a05cd6f919d51b4a9447aa22743dfb"); // Genesis block qDebug()&lt;&lt;"Genesis block"; const char* pszStartTopic = "The Times 26/Dec/2013 Chancellor on brink of second bailout for banks";//https://bitcointalk.org/index.php?topic=325735.0"; CTransaction txNew; txNew.vin.resize(1); txNew.vout.resize(1); txNew.vin[0].scriptSig = CScript() &lt;&lt; 0 &lt;&lt; CBigNum(999) &lt;&lt; vector&lt;unsigned char&gt;((const unsigned char*)pszStartTopic, (const unsigned char*)pszStartTopic + strlen(pszStartTopic)); txNew.vout[0].nValue = COIN; txNew.vout[0].scriptPubKey = CScript(); CBlock block; block.vtx.push_back(txNew); block.hashPrevBlock = 0; block.hashMerkleRoot = block.BuildMerkleTree(); block.nTime = 1387977869 ;//http://www.unixtimestamp.com/index.php block.nBits = TargetFromInt(6); block.nNonce = 49030125; block.bnPrimeChainMultiplier = (uint64) 5651310; if (fTestNet) { block.nTime = 1387977869 ; block.nBits = TargetFromInt(4); block.nNonce = 46032; block.bnPrimeChainMultiplier = (uint64) 211890; } //// debug print uint256 hash = block.GetHash(); printf("%s\n", hash.ToString().c_str()); qDebug()&lt;&lt;"hash:"&lt;&lt;hash.ToString().c_str(); printf("%s\n", hashGenesisBlock.ToString().c_str()); qDebug()&lt;&lt;"hashGenesisBlock:"&lt;&lt;hashGenesisBlock.ToString().c_str(); printf("%s\n", block.hashMerkleRoot.ToString().c_str()); qDebug()&lt;&lt;"block.hashMerkleRoot:"&lt;&lt;block.hashMerkleRoot.ToString().c_str(); assert(block.hashMerkleRoot == uint256("a0c44c1b6dd50fcaa2bc1c4d7f8ca406506caee88578d751fb3824b41bc34d84")); block.print(); assert(hash == hashGenesisBlock); { CValidationState state; assert(block.CheckBlock(state, true, true)); assert(CheckProofOfWork(block.GetHeaderHash(), block.nBits, block.bnPrimeChainMultiplier, block.nPrimeChainType, block.nPrimeChainLength)); } </code></pre> <p>Failed at <em>assert(CheckProofOfWork(block.GetHeaderHash(), block.nBits, block.bnPrimeChainMultiplier, block.nPrimeChainType, block.nPrimeChainLength));</em>. And the debug.log says:</p> <pre><code> CBlock(hash=f9f6d9a689f7a4093c71f397d8fe3fbef3a05cd6f919d51b4a9447aa22743dfb, hashBlockHeader=7d6aeeb7ca2b87d2f48bbd7a675c8374691c4f44f0db1a10de66436bfbcb0188, ver=2, hashPrevBlock=0000000000000000000000000000000000000000000000000000000000000000, hashMerkleRoot=a0c44c1b6dd50fcaa2bc1c4d7f8ca406506caee88578d751fb3824b41bc34d84, nTime=1387977869, nBits=06000000, nNonce=49030125, vtx=1) CTransaction(hash=a0c44c1b6dd50fcaa2bc1c4d7f8ca406506caee88578d751fb3824b41bc34d84, ver=1, vin.size=1, vout.size=1, nLockTime=0, data.size=0) CTxIn(COutPoint(0000000000000000000000000000000000000000000000000000000000000000, 4294967295), coinbase 0002e703455468652054696d65732032362f4465632f32303133204368616e63656c6c6f72206f6e206272696e6b206f66207365636f6e64206261696c6f757420666f722062616e6b73) CTxOut(error) ERROR: CheckPrimeProofOfWork() : block header hash under limit ERROR: CheckProofOfWork() : check failed for prime proof-of-work </code></pre> <p>Anything else can I change to make the genesis block work?</p>
 

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