signMessage()
Sign a message using SECP256K1.
Method Signature:
String signMessage(String plainMessage, String privateKey);
Parameters
Name
Type
Description
plainMessage
String
Message that you want to sign. In transactions it must be the TxID.
privateKey
String
Private key in hexadecimal format.
Example
import 'package:circular_api/circular_api.dart';
void main() {
final circular = CircularAPI();
final privateKey = "0x248ea24763f3aeb2590114257b0b95ebc8fc40e287574aa25379bb24c6d661ec";
final message = "Hello, World!";
final signedMessage = circular.signMessage(message, privateKey);
print(signedMessage);
}
Result
The result will be a String object:
6aa65e46e2db7fe30c7ea68c931e26f1a97f60f35745b25b1baec250f62432e670b0267dd7e3d78e02e5dc6fc2db0aa720d6db617b9cb251403aec5aec03e582
Last updated