const {ecc} = require('eosjs/dist/eosjs-ecc-migration')
const eccLegacy = require('eosjs-ecc')
const {PrivateKey} = require('eosjs/dist/eosjs-jssig');

const privateKey = PrivateKey.fromString('PVT_K1_z6FmcRrEYH5MMK4Htfvo1y6cDf3MpnBkvTSmcBsr6KfaAoSXB');
const publicKey = privateKey.getPublicKey();

const signingValue = 'pink';

const actualSignature = ecc.sign(signingValue, privateKey, 'utf8');
const expectedSignature = eccLegacy.sign(signingValue, privateKey.toLegacyString(), 'utf8');

const actualRecoveredKey = eccLegacy.recover(actualSignature, signingValue, 'utf8');
const expectedRecoveredKey = eccLegacy.recover(expectedSignature, signingValue, 'utf8');

// different keys
console.log('Public Key', publicKey.toLegacyString());
console.log('')
console.log('Actual Recovered Key', actualRecoveredKey);
console.log('Expected Recovered Key', expectedRecoveredKey);
console.log('')
// different signatures (not a problem in general but actual signature cant be verified)
console.log('Actual Signature', actualSignature);
console.log('Expected Signature', expectedSignature);