signForClaim method

Implementation

String signForClaim() {
  List<int> prefix = BytesUtils.fromHexString("434C4D00");
  final channelx = Hash256.fromValue(channel);
  final amountx = UInt64.fromValue(amount!.toInt());
  return BytesUtils.toHexString(
      [...prefix, ...channelx.toBytes(), ...amountx.toBytes()]);
}