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Code

added a failing case and fixed it by refactoring everything to strings

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This commit is contained in:
Zac Mitton 2016-06-20 18:46:29 -04:00
parent d19c286ee8
commit 9132f08507
2 changed files with 23 additions and 11 deletions
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16
test/unit/util_test.js
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@ -25,12 +25,26 @@ describe('util', function() {
}) })
}) })
describe('parseBalance', function() { describe('parseBalance', function() {
it('should render 0.01 eth correctly', function() { it('should render 12.023 eth correctly', function() {
const input = 'A6DA46CCA6858000' const input = 'A6DA46CCA6858000'
const output = util.parseBalance(input) const output = util.parseBalance(input)
assert.deepEqual(output, ['12', '023']) assert.deepEqual(output, ['12', '023'])
}) })
}) })
describe('parseBalance', function() {
it('should render 0.0000000342422 eth correctly', function() {
const input = '0x7F8FE81C0'
const output = util.parseBalance(input)
assert.deepEqual(output, ['0', '0000000342422'])
})
})
describe('parseBalance', function() {
it('should render 0 eth correctly', function() {
const input = '0x0'
const output = util.parseBalance(input)
assert.deepEqual(output, ['0', '0'])
})
})
describe('addressSummary', function() { describe('addressSummary', function() {
it('should add case-sensitive checksum', function() { it('should add case-sensitive checksum', function() {

18
ui/app/util.js
View File

@ -85,22 +85,20 @@ function weiToEth(bn) {
// Takes hex, returns [beforeDecimal, afterDecimal] // Takes hex, returns [beforeDecimal, afterDecimal]
function parseBalance(balance) { function parseBalance(balance) {
if (!balance || balance === '0x0') return ['0', '0'] let beforeDecimal, afterDecimal
var wei = numericBalance(balance).toString(10) let wei = numericBalance(balance).toString()
var eth = String(wei/valueTable['wei']) let trailingZeros = /0+$/
var beforeDecimal = String(Math.floor(eth))
var afterDecimal beforeDecimal = wei.length > 18 ? wei.slice(0, wei.length - 18) : '0'
if(eth.indexOf('.') > -1){ afterDecimal = ("000000000000000000" + wei).slice(-18).replace(trailingZeros, "")
afterDecimal = eth.slice(eth.indexOf('.') + 1) if(afterDecimal == ""){afterDecimal = "0" }
}else{
afterDecimal = '0'
}
return [beforeDecimal, afterDecimal] return [beforeDecimal, afterDecimal]
} }
// Takes wei hex, returns "None" or "${formattedAmount} ETH" // Takes wei hex, returns "None" or "${formattedAmount} ETH"
function formatBalance(balance, decimalsToKeep) { function formatBalance(balance, decimalsToKeep) {
var parsed = parseBalance(balance) var parsed = parseBalance(balance)
console.log(parsed)
var beforeDecimal = parsed[0] var beforeDecimal = parsed[0]
var afterDecimal = parsed[1] var afterDecimal = parsed[1]
var formatted = "None" var formatted = "None"