diff --git a/test/unit/keyrings/simple-test.js b/test/unit/keyrings/simple-test.js index 77eeb834c..60b762cb8 100644 --- a/test/unit/keyrings/simple-test.js +++ b/test/unit/keyrings/simple-test.js @@ -1,5 +1,7 @@ const assert = require('assert') const extend = require('xtend') +const Web3 = require('web3') +const web3 = new Web3() const ethUtil = require('ethereumjs-util') const SimpleKeyring = require('../../../app/scripts/keyrings/simple') const TYPE_STR = 'Simple Key Pair' @@ -65,6 +67,37 @@ describe('simple-keyring', function() { done() }) }) + + it('reliably can decode messages it signs', function (done) { + + const message = 'hello there!' + let address, msgHex + + keyring.addAccounts(10) + .then((addresses) => { + address = addresses[0] + msgHex = web3.sha3(message) + return keyring.signMessage(address, msgHex) + }) + .then((signature) => { + var sgn = signature + var r = ethUtil.toBuffer(sgn.slice(0,66)) + var s = ethUtil.toBuffer('0x' + sgn.slice(66,130)) + var v = parseInt(sgn.slice(130,132)) + 27 + var msgBuffer = ethUtil.toBuffer(msgHex) + var msgHash = ethUtil.hashPersonalMessage(msgBuffer) + var pub = ethUtil.ecrecover(msgHash, v, r, s) + var adr = '0x' + ethUtil.pubToAddress(pub).toString('hex') + assert.equal(adr, address) + done() + }) + .catch((reason) => { + console.log('failed for reason:') + console.dir(reason) + assert.equal(true, false, reason) + done() + }) + }) }) describe('#addAccounts', function() {