m/metamask-extension
1
0
Fork 0
mirror of https://github.com/kremalicious/metamask-extension.git synced 2024-11-29 07:16:36 +01:00
Code

Add frontend validation to ensure that ether inputs are valid.

Browse Source
This commit is contained in:
Kevin Serrano 2017-12-27 18:22:10 -08:00
parent 92eb16fc11
commit e682fb05fc
No known key found for this signature in database
GPG Key ID: BF999DEFC7371BA1
1 changed files with 12 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
ui/app/send.js
View File

@ -247,16 +247,26 @@ SendTransactionScreen.prototype.onSubmit = function () {
const recipient = state.recipient || document.querySelector('input[name="address"]').value.replace(/^[.\s]+|[.\s]+$/g, '')
const nickname = state.nickname || ' '
const input = document.querySelector('input[name="amount"]').value
const parts = input.split('')
if (isNaN(input)) {
let message
if (isNaN(input) || input === '') {
message = 'Invalid ether value.'
return this.props.dispatch(actions.displayWarning(message))
}
if (parts[1]) {
var decimal = parts[1]
if (decimal.length > 18) {
message = 'Ether amount is too precise.'
return this.props.dispatch(actions.displayWarning(message))
}
}
const value = util.normalizeEthStringToWei(input)
const txData = document.querySelector('input[name="txData"]').value
const balance = this.props.balance
let message
if (value.gt(balance)) {
message = 'Insufficient funds.'