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

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