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util - sufficientBalance - validate input

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This commit is contained in:
kumavis 2017-08-08 21:05:59 -07:00
parent d40bd9a726
commit 5418813ed1
1 changed files with 6 additions and 1 deletions
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7
app/scripts/lib/util.js
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@ -1,5 +1,6 @@
const ethUtil = require('ethereumjs-util') const ethUtil = require('ethereumjs-util')
const BN = ethUtil.BN const assert = require('assert')
const BN = require('bn.js')
module.exports = { module.exports = {
getStack, getStack,
@ -15,6 +16,10 @@ function getStack () {
} }
function sufficientBalance (txParams, hexBalance) { function sufficientBalance (txParams, hexBalance) {
// validate hexBalance is a hex string
assert.equal(typeof hexBalance, 'string', 'sufficientBalance - hexBalance is not a hex string')
assert.equal(hexBalance.slice(0, 2), '0x', 'sufficientBalance - hexBalance is not a hex string')
const balance = hexToBn(hexBalance) const balance = hexToBn(hexBalance)
const value = hexToBn(txParams.value) const value = hexToBn(txParams.value)
const gasLimit = hexToBn(txParams.gas) const gasLimit = hexToBn(txParams.gas)