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