signMessage()

Sign a message using SECP256K1.

Method Signature:

function signMessage(message, privateKey)

Parameters

Name	Type	Description
message	string	Message that you want to sign. In transactions it must be the TxID.
privateKey	string	Private key in hexadecimal format.

Example

var message = "Hello, World!";
var privatekey = "0x9f1dd25076c04c5139acba458f86cdccd2d322c61d19bc28daa3bbd9450837af";

var signedMessage = CircularProtocolAPI.signMessage(message, privateKey);

Result

The result will be of type String

af14525076c04c5139acba458f86c69cd2d322c61d19bc28daa3bbd9450837ab