public static UnsignedTx CreateDebugChannelWithdraw(this FlatClient client, ChannelWithdrawTx tx) => client.CreateDebugChannelWithdrawAsync(tx).RunAndUnwrap();
public Task <UnsignedTx> CreateDebugChannelWithdrawAsync(ChannelWithdrawTx tx, CancellationToken token = default(CancellationToken)) => _apiClient.PostChannelWithdrawAsync(tx, token);