public static UnsignedTx CreateDebugChannelSlash(this FlatClient client, ChannelSlashTx tx) => client.CreateDebugChannelSlashAsync(tx).RunAndUnwrap();
public Task <UnsignedTx> CreateDebugChannelSlashAsync(ChannelSlashTx tx, CancellationToken token = default(CancellationToken)) => _apiClient.PostChannelSlashAsync(tx, token);