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Merge pull request #3879 from MetaMask/normalize-transactions
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Normalize transactions
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kumavis authored Apr 4, 2018
2 parents e1b1da9 + 245c01b commit bcb5f14
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1 change: 1 addition & 0 deletions CHANGELOG.md
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Expand Up @@ -2,6 +2,7 @@

## Current Master

- Fix bug where checksum address are messing with balance issue [#3843](https://github.com/MetaMask/metamask-extension/issues/3843)
- new ui: fix the confirm transaction screen

## 4.5.2 Wed Apr 04 2018
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59 changes: 57 additions & 2 deletions app/scripts/controllers/transactions.js
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Expand Up @@ -185,7 +185,8 @@ module.exports = class TransactionController extends EventEmitter {

async addUnapprovedTransaction (txParams) {
// validate
await this.txGasUtil.validateTxParams(txParams)
this._validateTxParams(txParams)
this._normalizeTxParams(txParams)
// construct txMeta
let txMeta = this.txStateManager.generateTxMeta({txParams})
this.addTx(txMeta)
Expand Down Expand Up @@ -215,7 +216,6 @@ module.exports = class TransactionController extends EventEmitter {
}
txParams.gasPrice = ethUtil.addHexPrefix(gasPrice.toString(16))
txParams.value = txParams.value || '0x0'
if (txParams.to === null) delete txParams.to
// set gasLimit
return await this.txGasUtil.analyzeGasUsage(txMeta)
}
Expand Down Expand Up @@ -314,6 +314,61 @@ module.exports = class TransactionController extends EventEmitter {
// PRIVATE METHODS
//

_normalizeTxParams (txParams) {
delete txParams.chainId

if ( !txParams.to ) {
delete txParams.to
} else {
txParams.to = ethUtil.addHexPrefix(txParams.to)
}
txParams.from = ethUtil.addHexPrefix(txParams.from).toLowerCase()

if (!txParams.data) {
delete txParams.data
} else {
txParams.data = ethUtil.addHexPrefix(txParams.data)
}

if (txParams.value) txParams.value = ethUtil.addHexPrefix(txParams.value)

if (txParams.gas) txParams.gas = ethUtil.addHexPrefix(txParams.gas)
if (txParams.gasPrice) txParams.gas = ethUtil.addHexPrefix(txParams.gas)
}

_validateTxParams (txParams) {
this._validateFrom(txParams)
this._validateRecipient(txParams)
if ('value' in txParams) {
const value = txParams.value.toString()
if (value.includes('-')) {
throw new Error(`Invalid transaction value of ${txParams.value} not a positive number.`)
}

if (value.includes('.')) {
throw new Error(`Invalid transaction value of ${txParams.value} number must be in wei`)
}
}
}

_validateFrom (txParams) {
if ( !(typeof txParams.from === 'string') ) throw new Error(`Invalid from address ${txParams.from} not a string`)
if (!ethUtil.isValidAddress(txParams.from)) throw new Error('Invalid from address')
}

_validateRecipient (txParams) {
if (txParams.to === '0x' || txParams.to === null ) {
if (txParams.data) {
delete txParams.to
} else {
throw new Error('Invalid recipient address')
}
} else if ( txParams.to !== undefined && !ethUtil.isValidAddress(txParams.to) ) {
throw new Error('Invalid recipient address')
}
return txParams
}

_markNonceDuplicatesDropped (txId) {
this.txStateManager.setTxStatusConfirmed(txId)
// get the confirmed transactions nonce and from address
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35 changes: 1 addition & 34 deletions app/scripts/lib/tx-gas-utils.js
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Expand Up @@ -4,7 +4,7 @@ const {
BnMultiplyByFraction,
bnToHex,
} = require('./util')
const { addHexPrefix, isValidAddress } = require('ethereumjs-util')
const { addHexPrefix } = require('ethereumjs-util')
const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.

/*
Expand Down Expand Up @@ -100,37 +100,4 @@ module.exports = class TxGasUtil {
// otherwise use blockGasLimit
return bnToHex(upperGasLimitBn)
}

async validateTxParams (txParams) {
this.validateFrom(txParams)
this.validateRecipient(txParams)
if ('value' in txParams) {
const value = txParams.value.toString()
if (value.includes('-')) {
throw new Error(`Invalid transaction value of ${txParams.value} not a positive number.`)
}

if (value.includes('.')) {
throw new Error(`Invalid transaction value of ${txParams.value} number must be in wei`)
}
}
}

validateFrom (txParams) {
if ( !(typeof txParams.from === 'string') ) throw new Error(`Invalid from address ${txParams.from} not a string`)
if (!isValidAddress(txParams.from)) throw new Error('Invalid from address')
}

validateRecipient (txParams) {
if (txParams.to === '0x' || txParams.to === null ) {
if (txParams.data) {
delete txParams.to
} else {
throw new Error('Invalid recipient address')
}
} else if ( txParams.to !== undefined && !isValidAddress(txParams.to) ) {
throw new Error('Invalid recipient address')
}
return txParams
}
}
45 changes: 45 additions & 0 deletions app/scripts/migrations/024.js
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@@ -0,0 +1,45 @@

const version = 24

/*
This migration ensures that the from address in txParams is to lower case for
all unapproved transactions
*/

const clone = require('clone')

module.exports = {
version,

migrate: function (originalVersionedData) {
const versionedData = clone(originalVersionedData)
versionedData.meta.version = version
try {
const state = versionedData.data
const newState = transformState(state)
versionedData.data = newState
} catch (err) {
console.warn(`MetaMask Migration #${version}` + err.stack)
}
return Promise.resolve(versionedData)
},
}

function transformState (state) {
const newState = state
const transactions = newState.TransactionController.transactions

newState.TransactionController.transactions = transactions.map((txMeta, _, txList) => {
if (
txMeta.status === 'unapproved' &&
txMeta.txParams &&
txMeta.txParams.from
) {
txMeta.txParams.from = txMeta.txParams.from.toLowerCase()
}
return txMeta
})
return newState
}
1 change: 1 addition & 0 deletions app/scripts/migrations/index.js
Original file line number Diff line number Diff line change
Expand Up @@ -34,4 +34,5 @@ module.exports = [
require('./021'),
require('./022'),
require('./023'),
require('./024'),
]
37 changes: 37 additions & 0 deletions test/unit/migrations/024-test.js
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@@ -0,0 +1,37 @@
const assert = require('assert')
const migration24 = require('../../../app/scripts/migrations/024')
const properTime = (new Date()).getTime()
const storage = {
"meta": {},
"data": {
"TransactionController": {
"transactions": [
]
},
},
}

const transactions = []


while (transactions.length <= 10) {
transactions.push({ txParams: { from: '0x8aCce2391c0d510a6c5E5d8f819a678f79b7e675' }, status: 'unapproved' })
transactions.push({ txParams: { from: '0x8aCce2391c0d510a6c5E5d8f819a678f79b7e675' }, status: 'confirmed' })
}


storage.data.TransactionController.transactions = transactions

describe('storage is migrated successfully and the txParams.from are lowercase', () => {
it('should lowercase the from for unapproved txs', (done) => {
migration24.migrate(storage)
.then((migratedData) => {
const migratedTransactions = migratedData.data.TransactionController.transactions
migratedTransactions.forEach((tx) => {
if (tx.status === 'unapproved') assert.equal(tx.txParams.from, '0x8acce2391c0d510a6c5e5d8f819a678f79b7e675')
else assert.equal(tx.txParams.from, '0x8aCce2391c0d510a6c5E5d8f819a678f79b7e675')
})
done()
}).catch(done)
})
})
89 changes: 78 additions & 11 deletions test/unit/tx-controller-test.js
Original file line number Diff line number Diff line change
Expand Up @@ -210,29 +210,96 @@ describe('Transaction Controller', function () {
})
})

describe('#validateTxParams', function () {
it('does not throw for positive values', function (done) {
describe('#_validateTxParams', function () {
it('does not throw for positive values', function () {
var sample = {
from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
value: '0x01',
}
txController.txGasUtil.validateTxParams(sample).then(() => {
done()
}).catch(done)
txController._validateTxParams(sample)
})

it('returns error for negative values', function (done) {
it('returns error for negative values', function () {
var sample = {
from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
value: '-0x01',
}
txController.txGasUtil.validateTxParams(sample)
.then(() => done('expected to thrown on negativity values but didn\'t'))
.catch((err) => {
try {
txController._validateTxParams(sample)
} catch (err) {
assert.ok(err, 'error')
done()
})
}
})
})

describe('#_normalizeTxParams', () => {
it('should normalize txParams', () => {
let txParams = {
chainId: '0x1',
from: 'a7df1beDBF813f57096dF77FCd515f0B3900e402',
to: null,
data: '68656c6c6f20776f726c64',
}

txController._normalizeTxParams(txParams)

assert(!txParams.chainId, 'their should be no chainId')
assert(!txParams.to, 'their should be no to address if null')
assert.equal(txParams.from.slice(0, 2), '0x', 'from should be hexPrefixd')
assert.equal(txParams.data.slice(0, 2), '0x', 'data should be hexPrefixd')

txParams.to = 'a7df1beDBF813f57096dF77FCd515f0B3900e402'

txController._normalizeTxParams(txParams)
assert.equal(txParams.to.slice(0, 2), '0x', 'to should be hexPrefixd')

})
})

describe('#_validateRecipient', () => {
it('removes recipient for txParams with 0x when contract data is provided', function () {
const zeroRecipientandDataTxParams = {
from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
to: '0x',
data: 'bytecode',
}
const sanitizedTxParams = txController._validateRecipient(zeroRecipientandDataTxParams)
assert.deepEqual(sanitizedTxParams, { from: '0x1678a085c290ebd122dc42cba69373b5953b831d', data: 'bytecode' }, 'no recipient with 0x')
})

it('should error when recipient is 0x', function () {
const zeroRecipientTxParams = {
from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
to: '0x',
}
assert.throws(() => { txController._validateRecipient(zeroRecipientTxParams) }, Error, 'Invalid recipient address')
})
})


describe('#_validateFrom', () => {
it('should error when from is not a hex string', function () {

// where from is undefined
const txParams = {}
assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)

// where from is array
txParams.from = []
assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)

// where from is a object
txParams.from = {}
assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)

// where from is a invalid address
txParams.from = 'im going to fail'
assert.throws(() => { txController._validateFrom(txParams) }, Error, `Invalid from address`)

// should run
txParams.from ='0x1678a085c290ebd122dc42cba69373b5953b831d'
txController._validateFrom(txParams)
})
})

describe('#addTx', function () {
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42 changes: 0 additions & 42 deletions test/unit/tx-gas-util-test.js
Original file line number Diff line number Diff line change
Expand Up @@ -11,46 +11,4 @@ describe('Tx Gas Util', function () {
provider,
})
})

it('removes recipient for txParams with 0x when contract data is provided', function () {
const zeroRecipientandDataTxParams = {
from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
to: '0x',
data: 'bytecode',
}
const sanitizedTxParams = txGasUtil.validateRecipient(zeroRecipientandDataTxParams)
assert.deepEqual(sanitizedTxParams, { from: '0x1678a085c290ebd122dc42cba69373b5953b831d', data: 'bytecode' }, 'no recipient with 0x')
})

it('should error when recipient is 0x', function () {
const zeroRecipientTxParams = {
from: '0x1678a085c290ebd122dc42cba69373b5953b831d',
to: '0x',
}
assert.throws(() => { txGasUtil.validateRecipient(zeroRecipientTxParams) }, Error, 'Invalid recipient address')
})

it('should error when from is not a hex string', function () {

// where from is undefined
const txParams = {}
assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)

// where from is array
txParams.from = []
assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)

// where from is a object
txParams.from = {}
assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address ${txParams.from} not a string`)

// where from is a invalid address
txParams.from = 'im going to fail'
assert.throws(() => { txGasUtil.validateFrom(txParams) }, Error, `Invalid from address`)

// should run
txParams.from ='0x1678a085c290ebd122dc42cba69373b5953b831d'
txGasUtil.validateFrom(txParams)
})

})

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