sign method
Sign The sign method calculates an Moac specific signature with: sign(keccak256("\x19Moac Signed Message:\n" + len(message) + message))). Note the address to sign with must be unlocked.
Implementation
Future<int> sign(BigInt account, int message) async {
if (account == null) {
throw ArgumentError.notNull("Moac::sign - account");
}
if (message == null) {
throw ArgumentError.notNull("Moac::sign - message");
}
final String method = MoacRpcMethods.sign;
final List params = [
MoacUtilities.bigIntegerToHex(account),
MoacUtilities.intToHex(message)
];
final res = await rpcClient.request(method, params);
if (res != null && res.containsKey(moacResultKey)) {
return MoacUtilities.hexToInt(res[moacResultKey]);
}
_processError(method, res);
return null;
}