const { Component } = require('react') const connect = require('../../metamask-connect') const h = require('react-hyperscript') const PropTypes = require('prop-types') const actions = require('../../actions') const clone = require('clone') const ethUtil = require('ethereumjs-util') const BN = ethUtil.BN const hexToBn = require('../../../../app/scripts/lib/hex-to-bn') const { conversionUtil } = require('../../conversion-util') const t = require('../../../i18n-helper').getMessage const SenderToRecipient = require('../sender-to-recipient') const { MIN_GAS_PRICE_HEX } = require('../send/send-constants') class ConfirmDeployContract extends Component { constructor (props) { super(props) this.state = { valid: false, submitting: false, } } onSubmit (event) { event.preventDefault() const txMeta = this.gatherTxMeta() const valid = this.checkValidity() this.setState({ valid, submitting: true }) if (valid && this.verifyGasParams()) { this.props.sendTransaction(txMeta, event) } else { this.props.displayWarning('invalidGasParams') this.setState({ submitting: false }) } } cancel (event, txMeta) { event.preventDefault() this.props.cancelTransaction(txMeta) } checkValidity () { const form = this.getFormEl() const valid = form.checkValidity() return valid } getFormEl () { const form = document.querySelector('form#pending-tx-form') // Stub out form for unit tests: if (!form) { return { checkValidity () { return true } } } return form } // After a customizable state value has been updated, gatherTxMeta () { const props = this.props const state = this.state const txData = clone(state.txData) || clone(props.txData) // log.debug(`UI has defaulted to tx meta ${JSON.stringify(txData)}`) return txData } verifyGasParams () { // We call this in case the gas has not been modified at all if (!this.state) { return true } return ( this._notZeroOrEmptyString(this.state.gas) && this._notZeroOrEmptyString(this.state.gasPrice) ) } _notZeroOrEmptyString (obj) { return obj !== '' && obj !== '0x0' } bnMultiplyByFraction (targetBN, numerator, denominator) { const numBN = new BN(numerator) const denomBN = new BN(denominator) return targetBN.mul(numBN).div(denomBN) } getData () { const { identities } = this.props const txMeta = this.gatherTxMeta() const txParams = txMeta.txParams || {} return { from: { address: txParams.from, name: identities[txParams.from].name, }, memo: txParams.memo || '', } } getAmount () { const { conversionRate, currentCurrency } = this.props const txMeta = this.gatherTxMeta() const txParams = txMeta.txParams || {} const FIAT = conversionUtil(txParams.value, { fromNumericBase: 'hex', toNumericBase: 'dec', fromCurrency: 'ETH', toCurrency: currentCurrency, numberOfDecimals: 2, fromDenomination: 'WEI', conversionRate, }) const ETH = conversionUtil(txParams.value, { fromNumericBase: 'hex', toNumericBase: 'dec', fromCurrency: 'ETH', toCurrency: 'ETH', fromDenomination: 'WEI', conversionRate, numberOfDecimals: 6, }) return { fiat: Number(FIAT), token: Number(ETH), } } getGasFee () { const { conversionRate, currentCurrency } = this.props const txMeta = this.gatherTxMeta() const txParams = txMeta.txParams || {} // Gas const gas = txParams.gas const gasBn = hexToBn(gas) // Gas Price const gasPrice = txParams.gasPrice || MIN_GAS_PRICE_HEX const gasPriceBn = hexToBn(gasPrice) const txFeeBn = gasBn.mul(gasPriceBn) const FIAT = conversionUtil(txFeeBn, { fromNumericBase: 'BN', toNumericBase: 'dec', fromDenomination: 'WEI', fromCurrency: 'ETH', toCurrency: currentCurrency, numberOfDecimals: 2, conversionRate, }) const ETH = conversionUtil(txFeeBn, { fromNumericBase: 'BN', toNumericBase: 'dec', fromDenomination: 'WEI', fromCurrency: 'ETH', toCurrency: 'ETH', numberOfDecimals: 6, conversionRate, }) return { fiat: Number(FIAT), eth: Number(ETH), } } renderGasFee () { const { currentCurrency } = this.props const { fiat: fiatGas, eth: ethGas } = this.getGasFee() return ( h('section.flex-row.flex-center.confirm-screen-row', [ h('span.confirm-screen-label.confirm-screen-section-column', [ t(this.props.localeMessages, 'gasFee') ]), h('div.confirm-screen-section-column', [ h('div.confirm-screen-row-info', `${fiatGas} ${currentCurrency.toUpperCase()}`), h( 'div.confirm-screen-row-detail', `${ethGas} ETH` ), ]), ]) ) } renderHeroAmount () { const { currentCurrency } = this.props const { fiat: fiatAmount } = this.getAmount() const txMeta = this.gatherTxMeta() const txParams = txMeta.txParams || {} const { memo = '' } = txParams return ( h('div.confirm-send-token__hero-amount-wrapper', [ h('h3.flex-center.confirm-screen-send-amount', `${fiatAmount}`), h('h3.flex-center.confirm-screen-send-amount-currency', currentCurrency.toUpperCase()), h('div.flex-center.confirm-memo-wrapper', [ h('h3.confirm-screen-send-memo', memo), ]), ]) ) } renderTotalPlusGas () { const { currentCurrency } = this.props const { fiat: fiatAmount, token: tokenAmount } = this.getAmount() const { fiat: fiatGas, eth: ethGas } = this.getGasFee() return ( h('section.flex-row.flex-center.confirm-screen-row.confirm-screen-total-box ', [ h('div.confirm-screen-section-column', [ h('span.confirm-screen-label', [ t(this.props.localeMessages, 'total') + ' ' ]), h('div.confirm-screen-total-box__subtitle', [ t(this.props.localeMessages, 'amountPlusGas') ]), ]), h('div.confirm-screen-section-column', [ h('div.confirm-screen-row-info', `${fiatAmount + fiatGas} ${currentCurrency.toUpperCase()}`), h('div.confirm-screen-row-detail', `${tokenAmount + ethGas} ETH`), ]), ]) ) } render () { const { backToAccountDetail, selectedAddress } = this.props const txMeta = this.gatherTxMeta() const { from: { address: fromAddress, name: fromName, }, } = this.getData() this.inputs = [] return ( h('.page-container', [ h('.page-container__header', [ h('.page-container__back-button', { onClick: () => backToAccountDetail(selectedAddress), }, t(this.props.localeMessages, 'back')), h('.page-container__title', t(this.props.localeMessages, 'confirmContract')), h('.page-container__subtitle', t(this.props.localeMessages, 'pleaseReviewTransaction')), ]), // Main Send token Card h('.page-container__content', [ h(SenderToRecipient, { senderName: fromName, senderAddress: fromAddress, }), // h('h3.flex-center.confirm-screen-sending-to-message', { // style: { // textAlign: 'center', // fontSize: '16px', // }, // }, [ // `You're deploying a new contract.`, // ]), this.renderHeroAmount(), h('div.confirm-screen-rows', [ h('section.flex-row.flex-center.confirm-screen-row', [ h('span.confirm-screen-label.confirm-screen-section-column', [ t(this.props.localeMessages, 'from') ]), h('div.confirm-screen-section-column', [ h('div.confirm-screen-row-info', fromName), h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`), ]), ]), h('section.flex-row.flex-center.confirm-screen-row', [ h('span.confirm-screen-label.confirm-screen-section-column', [ t(this.props.localeMessages, 'to') ]), h('div.confirm-screen-section-column', [ h('div.confirm-screen-row-info', t(this.props.localeMessages, 'newContract')), ]), ]), this.renderGasFee(), this.renderTotalPlusGas(), ]), ]), h('form#pending-tx-form', { onSubmit: event => this.onSubmit(event), }, [ h('.page-container__footer', [ // Cancel Button h('button.btn-cancel.page-container__footer-button.allcaps', { onClick: event => this.cancel(event, txMeta), }, t(this.props.localeMessages, 'cancel')), // Accept Button h('button.btn-confirm.page-container__footer-button.allcaps', { onClick: event => this.onSubmit(event), }, t(this.props.localeMessages, 'confirm')), ]), ]), ]) ) } } ConfirmDeployContract.propTypes = { sendTransaction: PropTypes.func, cancelTransaction: PropTypes.func, backToAccountDetail: PropTypes.func, displayWarning: PropTypes.func, identities: PropTypes.object, conversionRate: PropTypes.number, currentCurrency: PropTypes.string, selectedAddress: PropTypes.string, localeMessages: PropTypes.object, } const mapStateToProps = state => { const { conversionRate, identities, currentCurrency, } = state.metamask const accounts = state.metamask.accounts const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0] return { currentCurrency, conversionRate, identities, selectedAddress, } } const mapDispatchToProps = dispatch => { return { backToAccountDetail: address => dispatch(actions.backToAccountDetail(address)), cancelTransaction: ({ id }) => dispatch(actions.cancelTx({ id })), displayWarning: warning => actions.displayWarning(t(this.props.localeMessages, warning)), } } module.exports = connect(mapStateToProps, mapDispatchToProps)(ConfirmDeployContract)