private Block CreateGenesis(SmartContractPoAConsensusFactory consensusFactory, uint genesisTime, uint nonce, uint bits, int version, Money reward, string coinbaseText)
{
Transaction genesisTransaction = consensusFactory.CreateTransaction();
genesisTransaction.Version = 1;
genesisTransaction.AddInput(new TxIn()
{
ScriptSig = new Script(Op.GetPushOp(0), new Op()
{
Code = (OpcodeType)0x1,
PushData = new[] { (byte)42 }
}, Op.GetPushOp(Encoders.ASCII.DecodeData(coinbaseText)))
});
genesisTransaction.AddOutput(new TxOut()
{
Value = reward
});
Block genesis = consensusFactory.CreateBlock();
genesis.Header.BlockTime = Utils.UnixTimeToDateTime(genesisTime);
genesis.Header.Bits = bits;
genesis.Header.Nonce = nonce;
genesis.Header.Version = version;
genesis.Transactions.Add(genesisTransaction);
genesis.Header.HashPrevBlock = uint256.Zero;
genesis.UpdateMerkleRoot();
((SmartContractPoABlockHeader)genesis.Header).HashStateRoot = SmartContractPoABlockDefinition.StateRootEmptyTrie;
return(genesis);
}
public static Block CreateGenesis(SmartContractPoAConsensusFactory consensusFactory, uint genesisTime, uint nonce, uint bits, int version, Money reward, string coinbaseText)
{
Transaction genesisTransaction = consensusFactory.CreateTransaction();
genesisTransaction.Time = genesisTime;
genesisTransaction.Version = 1;
genesisTransaction.AddInput(new TxIn()
{
ScriptSig = new Script(Op.GetPushOp(0), new Op()
{
Code = (OpcodeType)0x1,
PushData = new[] { (byte)42 }
}, Op.GetPushOp(Encoders.ASCII.DecodeData(coinbaseText)))
});
genesisTransaction.AddOutput(new TxOut()
{
Value = reward
});
Block genesis = consensusFactory.CreateBlock();
genesis.Header.BlockTime = Utils.UnixTimeToDateTime(genesisTime);
genesis.Header.Bits = bits;
genesis.Header.Nonce = nonce;
genesis.Header.Version = version;
genesis.Transactions.Add(genesisTransaction);
genesis.Header.HashPrevBlock = uint256.Zero;
genesis.UpdateMerkleRoot();
((SmartContractPoABlockHeader)genesis.Header).HashStateRoot = new uint256("21B463E3B52F6201C0AD6C991BE0485B6EF8C092E64583FFA655CC1B171FE856");
return(genesis);
}
public static Block MineGenesisBlock(SmartContractPoAConsensusFactory consensusFactory, string coinbaseText, Target target, Money genesisReward, int version = 1)
{
if (consensusFactory == null)
{
throw new ArgumentException($"Parameter '{nameof(consensusFactory)}' cannot be null. Use 'new ConsensusFactory()' for Bitcoin-like proof-of-work blockchains and 'new PosConsensusFactory()' for Stratis-like proof-of-stake blockchains.");
}
if (string.IsNullOrEmpty(coinbaseText))
{
throw new ArgumentException($"Parameter '{nameof(coinbaseText)}' cannot be null. Use a news headline or any other appropriate string.");
}
if (target == null)
{
throw new ArgumentException($"Parameter '{nameof(target)}' cannot be null. Example use: new Target(new uint256(\"0000ffff00000000000000000000000000000000000000000000000000000000\"))");
}
if (coinbaseText.Length >= 92)
{
throw new ArgumentException($"Parameter '{nameof(coinbaseText)}' should be shorter than 92 characters.");
}
if (genesisReward == null)
{
throw new ArgumentException($"Parameter '{nameof(genesisReward)}' cannot be null. Example use: 'Money.Coins(50m)'.");
}
DateTimeOffset time = DateTimeOffset.Now;
uint unixTime = Utils.DateTimeToUnixTime(time);
Transaction txNew = consensusFactory.CreateTransaction();
txNew.Version = (uint)version;
txNew.Time = unixTime;
txNew.AddInput(new TxIn()
{
ScriptSig = new Script(
Op.GetPushOp(0),
new Op()
{
Code = (OpcodeType)0x1,
PushData = new[] { (byte)42 }
},
Op.GetPushOp(Encoders.ASCII.DecodeData(coinbaseText)))
});
txNew.AddOutput(new TxOut()
{
Value = genesisReward,
});
Block genesis = consensusFactory.CreateBlock();
genesis.Header.BlockTime = time;
genesis.Header.Bits = target;
genesis.Header.Nonce = 0;
genesis.Header.Version = version;
genesis.Transactions.Add(txNew);
genesis.Header.HashPrevBlock = uint256.Zero;
genesis.UpdateMerkleRoot();
((SmartContractPoABlockHeader)genesis.Header).HashStateRoot = new uint256("21B463E3B52F6201C0AD6C991BE0485B6EF8C092E64583FFA655CC1B171FE856"); // Set StateRoot to empty trie.
// Iterate over the nonce until the proof-of-work is valid.
// This will mean the block header hash is under the target.
while (!genesis.CheckProofOfWork())
{
genesis.Header.Nonce++;
if (genesis.Header.Nonce == 0)
{
genesis.Header.Time++;
}
}
return(genesis);
}