1
0
mirror of https://github.com/kremalicious/metamask-extension.git synced 2024-11-24 19:10:22 +01:00
metamask-extension/ui/app/pages/send/tests/send-utils.test.js
2020-11-02 17:41:28 -06:00

496 lines
15 KiB
JavaScript

import assert from 'assert'
import sinon from 'sinon'
import proxyquire from 'proxyquire'
import {
BASE_TOKEN_GAS_COST,
SIMPLE_GAS_COST,
INSUFFICIENT_FUNDS_ERROR,
INSUFFICIENT_TOKENS_ERROR,
} from '../send.constants'
const stubs = {
addCurrencies: sinon.stub().callsFake((a, b) => {
let [a1, b1] = [a, b]
if (String(a).match(/^0x.+/u)) {
a1 = Number(String(a).slice(2))
}
if (String(b).match(/^0x.+/u)) {
b1 = Number(String(b).slice(2))
}
return a1 + b1
}),
conversionUtil: sinon.stub().callsFake((val) => parseInt(val, 16)),
conversionGTE: sinon
.stub()
.callsFake((obj1, obj2) => obj1.value >= obj2.value),
multiplyCurrencies: sinon.stub().callsFake((a, b) => `${a}x${b}`),
calcTokenAmount: sinon.stub().callsFake((a, d) => `calc:${a}${d}`),
rawEncode: sinon.stub().returns([16, 1100]),
conversionGreaterThan: sinon
.stub()
.callsFake((obj1, obj2) => obj1.value > obj2.value),
conversionLessThan: sinon
.stub()
.callsFake((obj1, obj2) => obj1.value < obj2.value),
}
const sendUtils = proxyquire('../send.utils.js', {
'../../helpers/utils/conversion-util': {
addCurrencies: stubs.addCurrencies,
conversionUtil: stubs.conversionUtil,
conversionGTE: stubs.conversionGTE,
multiplyCurrencies: stubs.multiplyCurrencies,
conversionGreaterThan: stubs.conversionGreaterThan,
conversionLessThan: stubs.conversionLessThan,
},
'../../helpers/utils/token-util': { calcTokenAmount: stubs.calcTokenAmount },
'ethereumjs-abi': {
rawEncode: stubs.rawEncode,
},
})
const {
calcGasTotal,
estimateGasForSend,
doesAmountErrorRequireUpdate,
generateTokenTransferData,
getAmountErrorObject,
getGasFeeErrorObject,
getToAddressForGasUpdate,
calcTokenBalance,
isBalanceSufficient,
isTokenBalanceSufficient,
removeLeadingZeroes,
} = sendUtils
describe('send utils', function () {
describe('calcGasTotal()', function () {
it('should call multiplyCurrencies with the correct params and return the multiplyCurrencies return', function () {
const result = calcGasTotal(12, 15)
assert.equal(result, '12x15')
const call_ = stubs.multiplyCurrencies.getCall(0).args
assert.deepEqual(call_, [
12,
15,
{
toNumericBase: 'hex',
multiplicandBase: 16,
multiplierBase: 16,
},
])
})
})
describe('doesAmountErrorRequireUpdate()', function () {
const config = {
'should return true if balances are different': {
balance: 0,
prevBalance: 1,
expectedResult: true,
},
'should return true if gasTotals are different': {
gasTotal: 0,
prevGasTotal: 1,
expectedResult: true,
},
'should return true if token balances are different': {
tokenBalance: 0,
prevTokenBalance: 1,
sendToken: { address: '0x0' },
expectedResult: true,
},
'should return false if they are all the same': {
balance: 1,
prevBalance: 1,
gasTotal: 1,
prevGasTotal: 1,
tokenBalance: 1,
prevTokenBalance: 1,
sendToken: { address: '0x0' },
expectedResult: false,
},
}
Object.entries(config).forEach(([description, obj]) => {
it(description, function () {
assert.equal(doesAmountErrorRequireUpdate(obj), obj.expectedResult)
})
})
})
describe('generateTokenTransferData()', function () {
it('should return undefined if not passed a send token', function () {
assert.equal(
generateTokenTransferData({
toAddress: 'mockAddress',
amount: '0xa',
sendToken: undefined,
}),
undefined,
)
})
it('should call abi.rawEncode with the correct params', function () {
stubs.rawEncode.resetHistory()
generateTokenTransferData({
toAddress: 'mockAddress',
amount: 'ab',
sendToken: { address: '0x0' },
})
assert.deepEqual(stubs.rawEncode.getCall(0).args, [
['address', 'uint256'],
['mockAddress', '0xab'],
])
})
it('should return encoded token transfer data', function () {
assert.equal(
generateTokenTransferData({
toAddress: 'mockAddress',
amount: '0xa',
sendToken: { address: '0x0' },
}),
'0xa9059cbb104c',
)
})
})
describe('getAmountErrorObject()', function () {
const config = {
'should return insufficientFunds error if isBalanceSufficient returns false': {
amount: 15,
balance: 1,
conversionRate: 3,
gasTotal: 17,
primaryCurrency: 'ABC',
expectedResult: { amount: INSUFFICIENT_FUNDS_ERROR },
},
'should not return insufficientFunds error if sendToken is truthy': {
amount: '0x0',
balance: 1,
conversionRate: 3,
gasTotal: 17,
primaryCurrency: 'ABC',
sendToken: { address: '0x0', symbol: 'DEF', decimals: 0 },
decimals: 0,
tokenBalance: 'sometokenbalance',
expectedResult: { amount: null },
},
'should return insufficientTokens error if token is selected and isTokenBalanceSufficient returns false': {
amount: '0x10',
balance: 100,
conversionRate: 3,
decimals: 10,
gasTotal: 17,
primaryCurrency: 'ABC',
sendToken: { address: '0x0' },
tokenBalance: 123,
expectedResult: { amount: INSUFFICIENT_TOKENS_ERROR },
},
}
Object.entries(config).forEach(([description, obj]) => {
it(description, function () {
assert.deepEqual(getAmountErrorObject(obj), obj.expectedResult)
})
})
})
describe('getGasFeeErrorObject()', function () {
const config = {
'should return insufficientFunds error if isBalanceSufficient returns false': {
balance: 16,
conversionRate: 3,
gasTotal: 17,
primaryCurrency: 'ABC',
expectedResult: { gasFee: INSUFFICIENT_FUNDS_ERROR },
},
'should return null error if isBalanceSufficient returns true': {
balance: 16,
conversionRate: 3,
gasTotal: 15,
primaryCurrency: 'ABC',
expectedResult: { gasFee: null },
},
}
Object.entries(config).forEach(([description, obj]) => {
it(description, function () {
assert.deepEqual(getGasFeeErrorObject(obj), obj.expectedResult)
})
})
})
describe('calcTokenBalance()', function () {
it('should return the calculated token balance', function () {
assert.equal(
calcTokenBalance({
sendToken: {
address: '0x0',
decimals: 11,
},
usersToken: {
balance: 20,
},
}),
'calc:2011',
)
})
})
describe('isBalanceSufficient()', function () {
it('should correctly call addCurrencies and return the result of calling conversionGTE', function () {
stubs.conversionGTE.resetHistory()
const result = isBalanceSufficient({
amount: 15,
balance: 100,
conversionRate: 3,
gasTotal: 17,
primaryCurrency: 'ABC',
})
assert.deepEqual(stubs.addCurrencies.getCall(0).args, [
15,
17,
{
aBase: 16,
bBase: 16,
toNumericBase: 'hex',
},
])
assert.deepEqual(stubs.conversionGTE.getCall(0).args, [
{
value: 100,
fromNumericBase: 'hex',
fromCurrency: 'ABC',
conversionRate: 3,
},
{
value: 32,
fromNumericBase: 'hex',
conversionRate: 3,
fromCurrency: 'ABC',
},
])
assert.equal(result, true)
})
})
describe('isTokenBalanceSufficient()', function () {
it('should correctly call conversionUtil and return the result of calling conversionGTE', function () {
stubs.conversionGTE.resetHistory()
stubs.conversionUtil.resetHistory()
const result = isTokenBalanceSufficient({
amount: '0x10',
tokenBalance: 123,
decimals: 10,
})
assert.deepEqual(stubs.conversionUtil.getCall(0).args, [
'0x10',
{
fromNumericBase: 'hex',
},
])
assert.deepEqual(stubs.conversionGTE.getCall(0).args, [
{
value: 123,
fromNumericBase: 'hex',
},
{
value: 'calc:1610',
},
])
assert.equal(result, false)
})
})
describe('estimateGasForSend', function () {
const baseMockParams = {
blockGasLimit: '0x64',
selectedAddress: 'mockAddress',
to: '0xisContract',
estimateGasMethod: sinon.stub().callsFake(({ to }) => {
if (typeof to === 'string' && to.match(/willFailBecauseOf:/u)) {
throw new Error(to.match(/:(.+)$/u)[1])
}
return { toString: (n) => `0xabc${n}` }
}),
}
const baseExpectedCall = {
from: 'mockAddress',
gas: '0x64x0.95',
to: '0xisContract',
value: '0xff',
}
beforeEach(function () {
global.eth = {
getCode: sinon
.stub()
.callsFake((address) =>
Promise.resolve(address.match(/isContract/u) ? 'not-0x' : '0x'),
),
}
})
afterEach(function () {
baseMockParams.estimateGasMethod.resetHistory()
global.eth.getCode.resetHistory()
})
it('should call ethQuery.estimateGasForSend with the expected params', async function () {
const result = await estimateGasForSend(baseMockParams)
assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
assert.deepEqual(baseMockParams.estimateGasMethod.getCall(0).args[0], {
gasPrice: undefined,
value: undefined,
...baseExpectedCall,
})
assert.equal(result, '0xabc16')
})
it('should call ethQuery.estimateGasForSend with the expected params when initialGasLimitHex is lower than the upperGasLimit', async function () {
const result = await estimateGasForSend({
...baseMockParams,
blockGasLimit: '0xbcd',
})
assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
assert.deepEqual(baseMockParams.estimateGasMethod.getCall(0).args[0], {
gasPrice: undefined,
value: undefined,
...baseExpectedCall,
gas: '0xbcdx0.95',
})
assert.equal(result, '0xabc16x1.5')
})
it('should call ethQuery.estimateGasForSend with a value of 0x0 and the expected data and to if passed a sendToken', async function () {
const result = await estimateGasForSend({
data: 'mockData',
sendToken: { address: 'mockAddress' },
...baseMockParams,
})
assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
assert.deepEqual(baseMockParams.estimateGasMethod.getCall(0).args[0], {
...baseExpectedCall,
gasPrice: undefined,
value: '0x0',
data: '0xa9059cbb104c',
to: 'mockAddress',
})
assert.equal(result, '0xabc16')
})
it('should call ethQuery.estimateGasForSend without a recipient if the recipient is empty and data passed', async function () {
const data = 'mockData'
const to = ''
const result = await estimateGasForSend({ ...baseMockParams, data, to })
assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
assert.deepEqual(baseMockParams.estimateGasMethod.getCall(0).args[0], {
gasPrice: undefined,
value: '0xff',
data,
from: baseExpectedCall.from,
gas: baseExpectedCall.gas,
})
assert.equal(result, '0xabc16')
})
it(`should return ${SIMPLE_GAS_COST} if ethQuery.getCode does not return '0x'`, async function () {
assert.equal(baseMockParams.estimateGasMethod.callCount, 0)
const result = await estimateGasForSend({
...baseMockParams,
to: '0x123',
})
assert.equal(result, SIMPLE_GAS_COST)
})
it(`should return ${SIMPLE_GAS_COST} if not passed a sendToken or truthy to address`, async function () {
assert.equal(baseMockParams.estimateGasMethod.callCount, 0)
const result = await estimateGasForSend({ ...baseMockParams, to: null })
assert.equal(result, SIMPLE_GAS_COST)
})
it(`should not return ${SIMPLE_GAS_COST} if passed a sendToken`, async function () {
assert.equal(baseMockParams.estimateGasMethod.callCount, 0)
const result = await estimateGasForSend({
...baseMockParams,
to: '0x123',
sendToken: { address: '0x0' },
})
assert.notEqual(result, SIMPLE_GAS_COST)
})
it(`should return ${BASE_TOKEN_GAS_COST} if passed a sendToken but no to address`, async function () {
const result = await estimateGasForSend({
...baseMockParams,
to: null,
sendToken: { address: '0x0' },
})
assert.equal(result, BASE_TOKEN_GAS_COST)
})
it(`should return the adjusted blockGasLimit if it fails with a 'Transaction execution error.'`, async function () {
const result = await estimateGasForSend({
...baseMockParams,
to: 'isContract willFailBecauseOf:Transaction execution error.',
})
assert.equal(result, '0x64x0.95')
})
it(`should return the adjusted blockGasLimit if it fails with a 'gas required exceeds allowance or always failing transaction.'`, async function () {
const result = await estimateGasForSend({
...baseMockParams,
to:
'isContract willFailBecauseOf:gas required exceeds allowance or always failing transaction.',
})
assert.equal(result, '0x64x0.95')
})
it(`should reject other errors`, async function () {
try {
await estimateGasForSend({
...baseMockParams,
to: 'isContract willFailBecauseOf:some other error',
})
} catch (err) {
assert.equal(err.message, 'some other error')
}
})
})
describe('getToAddressForGasUpdate()', function () {
it('should return empty string if all params are undefined or null', function () {
assert.equal(getToAddressForGasUpdate(undefined, null), '')
})
it('should return the first string that is not defined or null in lower case', function () {
assert.equal(getToAddressForGasUpdate('A', null), 'a')
assert.equal(getToAddressForGasUpdate(undefined, 'B'), 'b')
})
})
describe('removeLeadingZeroes()', function () {
it('should remove leading zeroes from int when user types', function () {
assert.equal(removeLeadingZeroes('0'), '0')
assert.equal(removeLeadingZeroes('1'), '1')
assert.equal(removeLeadingZeroes('00'), '0')
assert.equal(removeLeadingZeroes('01'), '1')
})
it('should remove leading zeroes from int when user copy/paste', function () {
assert.equal(removeLeadingZeroes('001'), '1')
})
it('should remove leading zeroes from float when user types', function () {
assert.equal(removeLeadingZeroes('0.'), '0.')
assert.equal(removeLeadingZeroes('0.0'), '0.0')
assert.equal(removeLeadingZeroes('0.00'), '0.00')
assert.equal(removeLeadingZeroes('0.001'), '0.001')
assert.equal(removeLeadingZeroes('0.10'), '0.10')
})
it('should remove leading zeroes from float when user copy/paste', function () {
assert.equal(removeLeadingZeroes('00.1'), '0.1')
})
})
})