public-pool/src/controllers/address/address.controller.ts

import { Controller, Patch } from '@nestjs/common';
import * as bitcoinMessage from 'bitcoinjs-message';


@Controller('address')
export class AddressController {

    @Patch('settings')
    async settings() {

        const publicKey = '...'; // Public key corresponding to the private key used for signing
        const message = '...'; // The message that was signed
        const signature = '...'; // The signature of the message

        const isValid: boolean = bitcoinMessage.verify(message, publicKey, signature);
        if (isValid) {
            console.log('Signature is valid!');
        } else {
            console.log('Signature is not valid!');
        }
    }
}