public static ChainedHeader CreateForGenesisBlock(BlockHeader genesisBlockHeader)
{
return new ChainedHeader
(
blockHeader: genesisBlockHeader,
height: 0,
totalWork: genesisBlockHeader.CalculateWork()
);
}
public static ChainedHeader CreateFromPrev(ChainedHeader prevChainedHeader, BlockHeader blockHeader, DateTimeOffset dateSeen)
{
var headerWork = blockHeader.CalculateWork();
return new ChainedHeader(blockHeader,
prevChainedHeader.Height + 1,
prevChainedHeader.TotalWork + headerWork.ToBigInteger(),
dateSeen);
}
public static ChainedHeader CreateForGenesisBlock(BlockHeader genesisBlockHeader)
{
return(new ChainedHeader
(
blockHeader: genesisBlockHeader,
height: 0,
totalWork: genesisBlockHeader.CalculateWork()
));
}
public static ChainedHeader CreateFromPrev(ChainedHeader prevChainedHeader, BlockHeader blockHeader, DateTimeOffset dateSeen)
{
var headerWork = blockHeader.CalculateWork();
return(new ChainedHeader(blockHeader,
prevChainedHeader.Height + 1,
prevChainedHeader.TotalWork + headerWork.ToBigInteger(),
dateSeen));
}
public static ChainedHeader CreateForGenesisBlock(BlockHeader genesisBlockHeader)
{
return new ChainedHeader
(
blockHeader: genesisBlockHeader,
height: 0,
totalWork: genesisBlockHeader.CalculateWork().ToBigInteger(),
dateSeen: DateTimeOffset.MinValue
);
}
public static ChainedHeader CreateFromPrev(ChainedHeader prevChainedHeader, BlockHeader blockHeader)
{
var headerWork = blockHeader.CalculateWork();
if (headerWork < 0)
return null;
return new ChainedHeader(blockHeader,
prevChainedHeader.Height + 1,
prevChainedHeader.TotalWork + headerWork);
}
public static ChainedHeader CreateForGenesisBlock(BlockHeader genesisBlockHeader)
{
return(new ChainedHeader
(
blockHeader: genesisBlockHeader,
height: 0,
totalWork: genesisBlockHeader.CalculateWork().ToBigInteger(),
dateSeen: DateTimeOffset.MinValue
));
}
public ChainedHeader GenesisChained()
{
if (this.blockHeaders.Count > 0)
throw new InvalidOperationException();
var blockHeader = new BlockHeader(0, UInt256.Zero, UInt256.Zero, 0, this.bits, this.nonce);
this.totalWork = blockHeader.CalculateWork();
var chainedHeader = new ChainedHeader(blockHeader, 0, this.totalWork);
this.blockHeaders.Add(chainedHeader);
return chainedHeader;
}
public ChainedHeader NextChained(UInt32? bits = null)
{
if (this.blockHeaders.Count == 0)
throw new InvalidOperationException();
var prevBlockHeader = this.blockHeaders.Last();
var blockHeader = new BlockHeader(0, prevBlockHeader.Hash, UInt256.Zero, 0, bits ?? this.bits, this.nonce);
this.totalWork += blockHeader.CalculateWork();
var chainedHeader = new ChainedHeader(blockHeader, this.blockHeaders.Count, this.totalWork);
this.blockHeaders.Add(chainedHeader);
return chainedHeader;
}
