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Add frontend validation to ensure that ether inputs are valid.

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This commit is contained in:
Kevin Serrano 2017-12-27 18:22:10 -08:00
parent 92eb16fc11
commit e682fb05fc
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1 changed files with 12 additions and 2 deletions
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14
ui/app/send.js
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@ -247,16 +247,26 @@ SendTransactionScreen.prototype.onSubmit = function () {
const recipient = state.recipient || document.querySelector('input[name="address"]').value.replace(/^[.\s]+|[.\s]+$/g, '') const recipient = state.recipient || document.querySelector('input[name="address"]').value.replace(/^[.\s]+|[.\s]+$/g, '')
const nickname = state.nickname || ' ' const nickname = state.nickname || ' '
const input = document.querySelector('input[name="amount"]').value 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.' message = 'Invalid ether value.'
return this.props.dispatch(actions.displayWarning(message)) 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 value = util.normalizeEthStringToWei(input)
const txData = document.querySelector('input[name="txData"]').value const txData = document.querySelector('input[name="txData"]').value
const balance = this.props.balance const balance = this.props.balance
let message
if (value.gt(balance)) { if (value.gt(balance)) {
message = 'Insufficient funds.' message = 'Insufficient funds.'