public static (ChainedHeader ChainedHeader, Block Block) AppendBlock(Network network, ChainedHeader previous, ChainIndexer chainIndexer)
{
ChainedHeader last = null;
uint nonce = RandomUtils.GetUInt32();
Block block = network.CreateBlock();
block.AddTransaction(network.CreateTransaction());
block.UpdateMerkleRoot();
block.Header.HashPrevBlock = previous == null ? chainIndexer.Tip.HashBlock : previous.HashBlock;
block.Header.Nonce = nonce;
if (!chainIndexer.TrySetTip(block.Header, out last))
{
throw new InvalidOperationException("Previous not existing");
}
return(last, block);
}
public static Block AppendTransactionInNewBlockToChain(ChainIndexer chainIndexer, Transaction transaction)
{
ChainedHeader last = null;
uint nonce = RandomUtils.GetUInt32();
Block block = chainIndexer.Network.Consensus.ConsensusFactory.CreateBlock();
block.AddTransaction(transaction);
block.UpdateMerkleRoot();
block.Header.HashPrevBlock = chainIndexer.Tip.HashBlock;
block.Header.Nonce = nonce;
if (!chainIndexer.TrySetTip(block.Header, out last))
{
throw new InvalidOperationException("Previous not existing");
}
return(block);
}
/// <summary>
/// Sets the tip of this chain based upon another block header.
/// </summary>
/// <param name="header">The block header to set to tip.</param>
/// <returns>Whether the tip was set successfully.</returns>
public static bool SetTip(this ChainIndexer chainIndexer, BlockHeader header)
{
ChainedHeader chainedHeader;
return(chainIndexer.TrySetTip(header, out chainedHeader));
}