private void AddGenesisBlock()
{
if (_chain.Count > 0)
{
return;
}
_logger.LogInformation("Adding genesis block");
var genesisData = new BlockData(Encoding.ASCII.GetBytes("This is the genesis block!!"));
var sha512 = SHA512.Create();
var blockParams = new BlockParams
{
Hash = sha512.ComputeHash(genesisData.GetBytes().ToArray()),
PreviousHash = new byte[0],
Data = genesisData,
Index = 0,
Timestamp = DateTime.Now
};
var genesisBlock = new Block(blockParams);
_chain.AddLast(genesisBlock);
}
public Block(BlockParams param)
{
this.Index = param.Index;
this.PreviousHash = param.PreviousHash;
this.TimeStamp = param.Timestamp;
this.Hash = param.Hash;
this.BlockData = param.Data;
this.Signature = param.Signature;
}
private Block GenerateNextBlock(BlockData newData)
{
var previousBlock = _chain.Last.Value;
var nextIndex = previousBlock.Index + 1;
var nextTimestamp = DateTime.Now;
var blockParams = new BlockParams()
{
Data = newData,
Timestamp = nextTimestamp,
PreviousHash = previousBlock.Hash,
Index = nextIndex,
Hash = CalculateHash(previousBlock.Hash, nextIndex, nextTimestamp, newData.GetBytes())
};
return(new Block(blockParams));
}