private Transaction BuildSignedCloseTransaction(LocalChannel channel, TransactionSignature remoteClosingSignature, ulong feeSatoshi)
{
var builder = new CloseChannelTransactionBuilder(channel, _networkParameters);
builder.FeeSatoshi = feeSatoshi;
return(builder.BuildWithSignatures(remoteClosingSignature));
}
private void RespondWithClosingSigned(IPeer peer, LocalChannel channel, ulong fee = 0)
{
var oldState = channel.State;
ulong ourFeeRate = _blockchainClientService.GetFeeRatePerKw(3);
channel.State = LocalChannelState.ClosingSigned;
var builder = new CloseChannelTransactionBuilder(channel, _networkParameters);
builder.FeeSatoshi = 0;
var zeroFeeTx = builder.Build();
builder.FeeSatoshi = fee != 0 ? fee : TransactionFee.CalculateFee(ourFeeRate, (ulong)zeroFeeTx.GetSerializedSize(2, SerializationType.Network));
ClosingSignedMessage closingSignedMessage = new ClosingSignedMessage();
closingSignedMessage.FeeSatoshi = builder.FeeSatoshi;
closingSignedMessage.ChannelId = channel.ChannelId.HexToByteArray();
closingSignedMessage.Signature = builder.Sign().ToRawSignature();
peer.Messaging.Send(closingSignedMessage);
_channelLoggingService.LogStateUpdate(channel, oldState, "Respond with closing signed");
}