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258 lines
9.2 KiB
258 lines
9.2 KiB
var assert = require('assert')
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var sinon = require('sinon')
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const ethUtil = require('ethereumjs-util')
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var path = require('path')
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var util = require(path.join(__dirname, '..', '..', 'ui', 'app', 'helpers', 'utils', 'util.js'))
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describe('util', function () {
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var ethInWei = '1'
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for (var i = 0; i < 18; i++) { ethInWei += '0' }
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beforeEach(function () {
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this.sinon = sinon.createSandbox()
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})
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afterEach(function () {
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this.sinon.restore()
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})
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describe('#parseBalance', function () {
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it('should render 0.01 eth correctly', function () {
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const input = '0x2386F26FC10000'
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const output = util.parseBalance(input)
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assert.deepEqual(output, ['0', '01'])
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})
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it('should render 12.023 eth correctly', function () {
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const input = 'A6DA46CCA6858000'
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const output = util.parseBalance(input)
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assert.deepEqual(output, ['12', '023'])
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})
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it('should render 0.0000000342422 eth correctly', function () {
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const input = '0x7F8FE81C0'
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const output = util.parseBalance(input)
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assert.deepEqual(output, ['0', '0000000342422'])
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})
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it('should render 0 eth correctly', function () {
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const input = '0x0'
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const output = util.parseBalance(input)
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assert.deepEqual(output, ['0', '0'])
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})
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})
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describe('#addressSummary', function () {
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it('should add case-sensitive checksum', function () {
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var address = '0xfdea65c8e26263f6d9a1b5de9555d2931a33b825'
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var result = util.addressSummary(address)
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assert.equal(result, '0xFDEa65C8...b825')
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})
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it('should accept arguments for firstseg, lastseg, and keepPrefix', function () {
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var address = '0xfdea65c8e26263f6d9a1b5de9555d2931a33b825'
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var result = util.addressSummary(address, 4, 4, false)
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assert.equal(result, 'FDEa...b825')
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})
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})
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describe('#isValidAddress', function () {
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it('should allow 40-char non-prefixed hex', function () {
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var address = 'fdea65c8e26263f6d9a1b5de9555d2931a33b825'
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var result = util.isValidAddress(address)
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assert.ok(result)
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})
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it('should allow 42-char non-prefixed hex', function () {
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var address = '0xfdea65c8e26263f6d9a1b5de9555d2931a33b825'
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var result = util.isValidAddress(address)
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assert.ok(result)
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})
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it('should not allow less non hex-prefixed', function () {
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var address = 'fdea65c8e26263f6d9a1b5de9555d2931a33b85'
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var result = util.isValidAddress(address)
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assert.ok(!result)
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})
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it('should not allow less hex-prefixed', function () {
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var address = '0xfdea65ce26263f6d9a1b5de9555d2931a33b85'
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var result = util.isValidAddress(address)
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assert.ok(!result)
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})
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it('should recognize correct capitalized checksum', function () {
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var address = '0xFDEa65C8e26263F6d9A1B5de9555D2931A33b825'
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var result = util.isValidAddress(address)
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assert.ok(result)
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})
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it('should recognize incorrect capitalized checksum', function () {
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var address = '0xFDea65C8e26263F6d9A1B5de9555D2931A33b825'
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var result = util.isValidAddress(address)
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assert.ok(!result)
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})
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it('should recognize this sample hashed address', function () {
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const address = '0x5Fda30Bb72B8Dfe20e48A00dFc108d0915BE9Bb0'
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const result = util.isValidAddress(address)
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const hashed = ethUtil.toChecksumAddress(address.toLowerCase())
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assert.equal(hashed, address, 'example is hashed correctly')
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assert.ok(result, 'is valid by our check')
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})
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})
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describe('#numericBalance', function () {
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it('should return a BN 0 if given nothing', function () {
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var result = util.numericBalance()
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assert.equal(result.toString(10), 0)
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})
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it('should work with hex prefix', function () {
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var result = util.numericBalance('0x012')
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assert.equal(result.toString(10), '18')
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})
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it('should work with no hex prefix', function () {
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var result = util.numericBalance('012')
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assert.equal(result.toString(10), '18')
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})
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})
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describe('#formatBalance', function () {
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it('when given nothing', function () {
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var result = util.formatBalance()
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assert.equal(result, 'None', 'should return "None"')
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})
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it('should return eth as string followed by ETH', function () {
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var input = new ethUtil.BN(ethInWei, 10).toJSON()
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var result = util.formatBalance(input, 4)
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assert.equal(result, '1.0000 ETH')
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})
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it('should return eth as string followed by ETH', function () {
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var input = new ethUtil.BN(ethInWei, 10).div(new ethUtil.BN('2', 10)).toJSON()
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var result = util.formatBalance(input, 3)
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assert.equal(result, '0.500 ETH')
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})
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it('should display specified decimal points', function () {
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var input = '0x128dfa6a90b28000'
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var result = util.formatBalance(input, 2)
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assert.equal(result, '1.33 ETH')
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})
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it('should default to 3 decimal points', function () {
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var input = '0x128dfa6a90b28000'
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var result = util.formatBalance(input)
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assert.equal(result, '1.337 ETH')
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})
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it('should show 2 significant digits for tiny balances', function () {
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var input = '0x1230fa6a90b28'
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var result = util.formatBalance(input)
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assert.equal(result, '0.00032 ETH')
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})
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it('should not parse the balance and return value with 2 decimal points with ETH at the end', function () {
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var value = '1.2456789'
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var needsParse = false
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var result = util.formatBalance(value, 2, needsParse)
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assert.equal(result, '1.24 ETH')
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})
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})
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describe('normalizing values', function () {
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describe('#normalizeToWei', function () {
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it('should convert an eth to the appropriate equivalent values', function () {
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var valueTable = {
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wei: '1000000000000000000',
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kwei: '1000000000000000',
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mwei: '1000000000000',
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gwei: '1000000000',
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szabo: '1000000',
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finney: '1000',
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ether: '1',
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// kether:'0.001',
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// mether:'0.000001',
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// AUDIT: We're getting BN numbers on these ones.
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// I think they're big enough to ignore for now.
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// gether:'0.000000001',
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// tether:'0.000000000001',
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}
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var oneEthBn = new ethUtil.BN(ethInWei, 10)
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for (var currency in valueTable) {
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var value = new ethUtil.BN(valueTable[currency], 10)
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var output = util.normalizeToWei(value, currency)
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assert.equal(output.toString(10), valueTable.wei, `value of ${output.toString(10)} ${currency} should convert to ${oneEthBn}`)
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}
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})
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})
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describe('#normalizeEthStringToWei', function () {
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it('should convert decimal eth to pure wei BN', function () {
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var input = '1.23456789'
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var output = util.normalizeEthStringToWei(input)
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assert.equal(output.toString(10), '1234567890000000000')
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})
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it('should convert 1 to expected wei', function () {
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var input = '1'
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var output = util.normalizeEthStringToWei(input)
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assert.equal(output.toString(10), ethInWei)
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})
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it('should account for overflow numbers gracefully by dropping extra precision.', function () {
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var input = '1.11111111111111111111'
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var output = util.normalizeEthStringToWei(input)
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assert.equal(output.toString(10), '1111111111111111111')
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})
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it('should not truncate very exact wei values that do not have extra precision.', function () {
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var input = '1.100000000000000001'
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var output = util.normalizeEthStringToWei(input)
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assert.equal(output.toString(10), '1100000000000000001')
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})
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})
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describe('#normalizeNumberToWei', function () {
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it('should handle a simple use case', function () {
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var input = 0.0002
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var output = util.normalizeNumberToWei(input, 'ether')
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var str = output.toString(10)
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assert.equal(str, '200000000000000')
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})
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it('should convert a kwei number to the appropriate equivalent wei', function () {
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var result = util.normalizeNumberToWei(1.111, 'kwei')
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assert.equal(result.toString(10), '1111', 'accepts decimals')
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})
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it('should convert a ether number to the appropriate equivalent wei', function () {
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var result = util.normalizeNumberToWei(1.111, 'ether')
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assert.equal(result.toString(10), '1111000000000000000', 'accepts decimals')
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})
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})
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describe('#isHex', function () {
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it('should return true when given a hex string', function () {
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var result = util.isHex('c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2')
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assert(result)
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})
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it('should return false when given a non-hex string', function () {
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var result = util.isHex('c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714imnotreal')
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assert(!result)
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})
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it('should return false when given a string containing a non letter/number character', function () {
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var result = util.isHex('c3ab8ff13720!8ad9047dd39466b3c%8974e592c2fa383d4a396071imnotreal')
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assert(!result)
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})
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it('should return true when given a hex string with hex-prefix', function () {
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var result = util.isHex('0xc3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2')
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assert(result)
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})
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})
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})
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})
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