/// <summary>
/// Block headers are sent in a headers packet in response to a getheaders message.
/// </summary>
/// <remarks>
/// https://en.bitcoin.it/wiki/Protocol_specification#Block_Headers
/// </remarks>
/// <example>
/// nodejs: https://github.com/zone117x/node-stratum-pool/blob/master/lib/blockTemplate.js#L85
/// </example>
/// <param name="job"></param>
/// <param name="merkleRoot"></param>
/// <param name="nTime"></param>
/// <param name="nonce"></param>
/// <returns></returns>
public static byte[] SerializeHeader(IJob job, byte[] merkleRoot, UInt64 nTime, UInt64 nonce)
{
byte[] result;
using (var stream = new MemoryStream())
{
stream.WriteValueU64(nonce.BigEndian());
stream.WriteValueU64(job.Height.BigEndian());
stream.WriteValueU64(nTime.BigEndian());
stream.WriteBytes(job.AccountRootHash.HexToByteArray());
stream.WriteBytes(merkleRoot);
stream.WriteBytes(job.PreviousBlockHash.HexToByteArray());
stream.WriteValueU16(job.BlockTemplate.Version.BigEndian());
result = stream.ToArray();
result = result.ReverseBytes();
}
return(result);
}
