SignMessage()

Sign a message using SECP256K1.

Method Signature:

func SignMessage(message string, privateKey string) map[string]interface{}

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

package main

import (
	"fmt"

	"github.com/circular-protocol/circular-go/circular_protocol_api"
	"github.com/circular-protocol/circular-go/utils"
)

func main() {
	var private_key := "0x40942ed2f05daf2a1b0a36453e5164755dd9ac4c79636f1a243eb21a16e0e4df"
	var message := "Hello, World!"

	result := utils.SignMessage(message, private_key)
	fmt.Println(result)
}

Result

The result will be of type Map, but for easier readability, here is the equivalent in JSON.

{
 "Signature" : "0x...",
 "R" : "value",
 "S" : "value"
}