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Fixed genesis block generation - GetPoWHash is scrypt hash, GetHash is SHA2 hash!

cn
Jianping Wu 6 years ago
parent
108ab19e27
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ec7aaa8b1f
1 changed files with 10 additions and 9 deletions
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  1. 19
      src/chainparams.cpp

19
src/chainparams.cpp
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@ -121,25 +121,26 @@ public:
nDefaultPort = 9333; nDefaultPort = 9333;
nPruneAfterHeight = 100000; nPruneAfterHeight = 100000;
genesis = CreateGenesisBlock(1317972665, 2084524493, 0x1e0ffff0, 1, 50 * COIN); // JWU change the timestamp!
genesis = CreateGenesisBlock(1317972665, 176784, 0x1e0ffff0, 1, 50 * COIN);
//JW remove the following code! //JW remove the following code!
arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits); arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits);
uint256 hashGenesisBlock = uint256S("0x01"); uint256 hashGenesisBlock = uint256S("0x01");
if (true && genesis.GetHash() != hashGenesisBlock) { if (false && genesis.GetHash() != hashGenesisBlock) {
printf("recalculating params for mainnet.\n"); printf("recalculating params for mainnet.\n");
printf("old mainnet genesis nonce: %d\n", genesis.nNonce); printf("old mainnet genesis nonce: %d\n", genesis.nNonce);
printf("old mainnet genesis hash: %s\n", hashGenesisBlock.ToString().c_str()); printf("old mainnet genesis hash: %s\n", hashGenesisBlock.ToString().c_str());
// deliberately empty for loop finds nonce value. // deliberately empty for loop finds nonce value.
for(genesis.nNonce = 0; hashTarget < UintToArith256(genesis.GetHash()); genesis.nNonce++){} for(genesis.nNonce = 0; hashTarget < UintToArith256(genesis.GetPoWHash()); genesis.nNonce++){}
printf("new mainnet genesis merkle root: %s\n", genesis.hashMerkleRoot.ToString().c_str()); printf("new mainnet genesis merkle root: %s\n", genesis.hashMerkleRoot.ToString().c_str());
printf("new mainnet genesis nonce: %d\n", genesis.nNonce); printf("new mainnet genesis nonce: %d\n", genesis.nNonce);
printf("new mainnet genesis hash: %s\n", genesis.GetHash().ToString().c_str()); printf("new mainnet genesis hash: %s\n", genesis.GetHash().ToString().c_str());
} }
consensus.hashGenesisBlock = genesis.GetHash(); consensus.hashGenesisBlock = genesis.GetHash();
assert(consensus.hashGenesisBlock == uint256S("0x12a765e31ffd4059bada1e25190f6e98c99d9714d334efa41a195a7e7e04bfe2")); assert(consensus.hashGenesisBlock == uint256S("0xd7a681608b8fc3bd6d85110317357920291e1c6a4fdf6ee38e5d04c49b878c33"));
assert(genesis.hashMerkleRoot == uint256S("0x97ddfbbae6be97fd6cdf3e7ca13232a3afff2353e29badfab7f73011edd4ced9")); assert(genesis.hashMerkleRoot == uint256S("0x677b0cc3aa49a118484f34bc1b1065e4ecdbd9a895e43d7fcd1c4b74beb492da"));
// Note that of those with the service bits flag, most only support a subset of possible options // Note that of those with the service bits flag, most only support a subset of possible options
vSeeds.emplace_back("seed-a.litecoin.loshan.co.uk"); vSeeds.emplace_back("seed-a.litecoin.loshan.co.uk");
@ -247,12 +248,12 @@ public:
//JW remove the following code! //JW remove the following code!
arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits); arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits);
uint256 hashGenesisBlock = uint256S("0x01"); uint256 hashGenesisBlock = uint256S("0x01");
if (true && genesis.GetHash() != hashGenesisBlock) { if (false && genesis.GetHash() != hashGenesisBlock) {
printf("recalculating params for mainnet.\n"); printf("recalculating params for mainnet.\n");
printf("old mainnet genesis nonce: %d\n", genesis.nNonce); printf("old mainnet genesis nonce: %d\n", genesis.nNonce);
printf("old mainnet genesis hash: %s\n", hashGenesisBlock.ToString().c_str()); printf("old mainnet genesis hash: %s\n", hashGenesisBlock.ToString().c_str());
// deliberately empty for loop finds nonce value. // deliberately empty for loop finds nonce value.
for(genesis.nNonce = 0; hashTarget < UintToArith256(genesis.GetHash()); genesis.nNonce++){} for(genesis.nNonce = 0; hashTarget < UintToArith256(genesis.GetPoWHash()); genesis.nNonce++){}
printf("new mainnet genesis merkle root: %s\n", genesis.hashMerkleRoot.ToString().c_str()); printf("new mainnet genesis merkle root: %s\n", genesis.hashMerkleRoot.ToString().c_str());
printf("new mainnet genesis nonce: %d\n", genesis.nNonce); printf("new mainnet genesis nonce: %d\n", genesis.nNonce);
printf("new mainnet genesis hash: %s\n", genesis.GetHash().ToString().c_str()); printf("new mainnet genesis hash: %s\n", genesis.GetHash().ToString().c_str());
@ -348,12 +349,12 @@ public:
//JW remove the following code! //JW remove the following code!
arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits); arith_uint256 hashTarget = arith_uint256().SetCompact(genesis.nBits);
uint256 hashGenesisBlock = uint256S("0x01"); uint256 hashGenesisBlock = uint256S("0x01");
if (true && genesis.GetHash() != hashGenesisBlock) { if (false && genesis.GetHash() != hashGenesisBlock) {
printf("recalculating params for mainnet.\n"); printf("recalculating params for mainnet.\n");
printf("old mainnet genesis nonce: %d\n", genesis.nNonce); printf("old mainnet genesis nonce: %d\n", genesis.nNonce);
printf("old mainnet genesis hash: %s\n", hashGenesisBlock.ToString().c_str()); printf("old mainnet genesis hash: %s\n", hashGenesisBlock.ToString().c_str());
// deliberately empty for loop finds nonce value. // deliberately empty for loop finds nonce value.
for(genesis.nNonce = 0; hashTarget < UintToArith256(genesis.GetHash()); genesis.nNonce++){} for(genesis.nNonce = 0; hashTarget < UintToArith256(genesis.GetPoWHash()); genesis.nNonce++){}
printf("new mainnet genesis merkle root: %s\n", genesis.hashMerkleRoot.ToString().c_str()); printf("new mainnet genesis merkle root: %s\n", genesis.hashMerkleRoot.ToString().c_str());
printf("new mainnet genesis nonce: %d\n", genesis.nNonce); printf("new mainnet genesis nonce: %d\n", genesis.nNonce);
printf("new mainnet genesis hash: %s\n", genesis.GetHash().ToString().c_str()); printf("new mainnet genesis hash: %s\n", genesis.GetHash().ToString().c_str());

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