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| author | kumavis <aaron@kumavis.me> | 2017-08-09 12:05:59 +0800 |
|---|---|---|
| committer | kumavis <aaron@kumavis.me> | 2017-08-09 12:05:59 +0800 |
| commit | 5418813ed146630cf2a84da2d9537955771e4d62 (patch) | |
| tree | de540e2c0cd367a71b08cae413051ea6c756e947 /app | |
| parent | d40bd9a726b7bef900d36ed195e38e8537cc791d (diff) | |
| download | tangerine-wallet-browser-5418813ed146630cf2a84da2d9537955771e4d62.tar.gz tangerine-wallet-browser-5418813ed146630cf2a84da2d9537955771e4d62.tar.zst tangerine-wallet-browser-5418813ed146630cf2a84da2d9537955771e4d62.zip | |
util - sufficientBalance - validate input
Diffstat (limited to 'app')
| -rw-r--r-- | app/scripts/lib/util.js | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/app/scripts/lib/util.js b/app/scripts/lib/util.js index 70390e95c..6dee9edf0 100644 --- a/app/scripts/lib/util.js +++ b/app/scripts/lib/util.js @@ -1,5 +1,6 @@ const ethUtil = require('ethereumjs-util') -const BN = ethUtil.BN +const assert = require('assert') +const BN = require('bn.js') module.exports = { getStack, @@ -15,6 +16,10 @@ function getStack () { } 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 value = hexToBn(txParams.value) const gasLimit = hexToBn(txParams.gas) |