diff options
Diffstat (limited to 'ui/app/add-token.js')
| -rw-r--r-- | ui/app/add-token.js | 219 |
1 files changed, 0 insertions, 219 deletions
diff --git a/ui/app/add-token.js b/ui/app/add-token.js deleted file mode 100644 index b303b5c0d..000000000 --- a/ui/app/add-token.js +++ /dev/null @@ -1,219 +0,0 @@ -const inherits = require('util').inherits -const Component = require('react').Component -const h = require('react-hyperscript') -const connect = require('react-redux').connect -const actions = require('./actions') - -const ethUtil = require('ethereumjs-util') -const abi = require('human-standard-token-abi') -const Eth = require('ethjs-query') -const EthContract = require('ethjs-contract') - -const emptyAddr = '0x0000000000000000000000000000000000000000' - -module.exports = connect(mapStateToProps)(AddTokenScreen) - -function mapStateToProps (state) { - return { - } -} - -inherits(AddTokenScreen, Component) -function AddTokenScreen () { - this.state = { - warning: null, - address: null, - symbol: 'TOKEN', - decimals: 18, - } - Component.call(this) -} - -AddTokenScreen.prototype.render = function () { - const state = this.state - const props = this.props - const { warning, symbol, decimals } = state - - return ( - h('.flex-column.flex-grow', [ - - // subtitle and nav - h('.section-title.flex-row.flex-center', [ - h('i.fa.fa-arrow-left.fa-lg.cursor-pointer', { - onClick: (event) => { - props.dispatch(actions.goHome()) - }, - }), - h('h2.page-subtitle', 'Add Token'), - ]), - - h('.error', { - style: { - display: warning ? 'block' : 'none', - padding: '0 20px', - textAlign: 'center', - }, - }, warning), - - // conf view - h('.flex-column.flex-justify-center.flex-grow.select-none', [ - h('.flex-space-around', { - style: { - padding: '20px', - }, - }, [ - - h('div', [ - h('span', { - style: { fontWeight: 'bold', paddingRight: '10px'}, - }, 'Token Address'), - ]), - - h('section.flex-row.flex-center', [ - h('input#token-address', { - name: 'address', - placeholder: 'Token Address', - onChange: this.tokenAddressDidChange.bind(this), - style: { - width: 'inherit', - flex: '1 0 auto', - height: '30px', - margin: '8px', - }, - }), - ]), - - h('div', [ - h('span', { - style: { fontWeight: 'bold', paddingRight: '10px'}, - }, 'Token Sybmol'), - ]), - - h('div', { style: {display: 'flex'} }, [ - h('input#token_symbol', { - placeholder: `Like "ETH"`, - value: symbol, - style: { - width: 'inherit', - flex: '1 0 auto', - height: '30px', - margin: '8px', - }, - onChange: (event) => { - var element = event.target - var symbol = element.value - this.setState({ symbol }) - }, - }), - ]), - - h('div', [ - h('span', { - style: { fontWeight: 'bold', paddingRight: '10px'}, - }, 'Decimals of Precision'), - ]), - - h('div', { style: {display: 'flex'} }, [ - h('input#token_decimals', { - value: decimals, - type: 'number', - min: 0, - max: 36, - style: { - width: 'inherit', - flex: '1 0 auto', - height: '30px', - margin: '8px', - }, - onChange: (event) => { - var element = event.target - var decimals = element.value.trim() - this.setState({ decimals }) - }, - }), - ]), - - h('button', { - style: { - alignSelf: 'center', - }, - onClick: (event) => { - const valid = this.validateInputs() - if (!valid) return - - const { address, symbol, decimals } = this.state - this.props.dispatch(actions.addToken(address.trim(), symbol.trim(), decimals)) - }, - }, 'Add'), - ]), - ]), - ]) - ) -} - -AddTokenScreen.prototype.componentWillMount = function () { - if (typeof global.ethereumProvider === 'undefined') return - - this.eth = new Eth(global.ethereumProvider) - this.contract = new EthContract(this.eth) - this.TokenContract = this.contract(abi) -} - -AddTokenScreen.prototype.tokenAddressDidChange = function (event) { - const el = event.target - const address = el.value.trim() - if (ethUtil.isValidAddress(address) && address !== emptyAddr) { - this.setState({ address }) - this.attemptToAutoFillTokenParams(address) - } -} - -AddTokenScreen.prototype.validateInputs = function () { - let msg = '' - const state = this.state - const { address, symbol, decimals } = state - - const validAddress = ethUtil.isValidAddress(address) - if (!validAddress) { - msg += 'Address is invalid. ' - } - - const validDecimals = decimals >= 0 && decimals < 36 - if (!validDecimals) { - msg += 'Decimals must be at least 0, and not over 36. ' - } - - const symbolLen = symbol.trim().length - const validSymbol = symbolLen > 0 && symbolLen < 10 - if (!validSymbol) { - msg += 'Symbol must be between 0 and 10 characters.' - } - - const isValid = validAddress && validDecimals - - if (!isValid) { - this.setState({ - warning: msg, - }) - } else { - this.setState({ warning: null }) - } - - return isValid -} - -AddTokenScreen.prototype.attemptToAutoFillTokenParams = async function (address) { - const contract = this.TokenContract.at(address) - - const results = await Promise.all([ - contract.symbol(), - contract.decimals(), - ]) - - const [ symbol, decimals ] = results - if (symbol && decimals) { - console.log('SETTING SYMBOL AND DECIMALS', { symbol, decimals }) - this.setState({ symbol: symbol[0], decimals: decimals[0].toString() }) - } -} - |