const Component = require('react').Component const PropTypes = require('prop-types') const h = require('react-hyperscript') const inherits = require('util').inherits import Identicon from './identicon' const connect = require('react-redux').connect const ethUtil = require('ethereumjs-util') const classnames = require('classnames') const { compose } = require('recompose') const { withRouter } = require('react-router-dom') const { ObjectInspector } = require('react-inspector') import AccountDropdownMini from './account-dropdown-mini' const actions = require('../actions') const { conversionUtil } = require('../conversion-util') const { getSelectedAccount, getCurrentAccountWithSendEtherInfo, getSelectedAddress, accountsWithSendEtherInfoSelector, conversionRateSelector, } = require('../selectors.js') import { clearConfirmTransaction } from '../ducks/confirm-transaction.duck' import Button from './button' const { DEFAULT_ROUTE } = require('../routes') function mapStateToProps (state) { return { balance: getSelectedAccount(state).balance, selectedAccount: getCurrentAccountWithSendEtherInfo(state), selectedAddress: getSelectedAddress(state), requester: null, requesterAddress: null, accounts: accountsWithSendEtherInfoSelector(state), conversionRate: conversionRateSelector(state), } } function mapDispatchToProps (dispatch) { return { goHome: () => dispatch(actions.goHome()), clearConfirmTransaction: () => dispatch(clearConfirmTransaction()), } } SignatureRequest.contextTypes = { t: PropTypes.func, } module.exports = compose( withRouter, connect(mapStateToProps, mapDispatchToProps) )(SignatureRequest) inherits(SignatureRequest, Component) function SignatureRequest (props) { Component.call(this) this.state = { selectedAccount: props.selectedAccount, } } SignatureRequest.prototype.renderHeader = function () { return h('div.request-signature__header', [ h('div.request-signature__header-background'), h('div.request-signature__header__text', this.context.t('sigRequest')), h('div.request-signature__header__tip-container', [ h('div.request-signature__header__tip'), ]), ]) } SignatureRequest.prototype.renderAccountDropdown = function () { const { selectedAccount } = this.state const { accounts, } = this.props return h('div.request-signature__account', [ h('div.request-signature__account-text', [this.context.t('account') + ':']), h(AccountDropdownMini, { selectedAccount, accounts, disabled: true, }), ]) } SignatureRequest.prototype.renderBalance = function () { const { balance, conversionRate } = this.props const balanceInEther = conversionUtil(balance, { fromNumericBase: 'hex', toNumericBase: 'dec', fromDenomination: 'WEI', numberOfDecimals: 6, conversionRate, }) return h('div.request-signature__balance', [ h('div.request-signature__balance-text', `${this.context.t('balance')}:`), h('div.request-signature__balance-value', `${balanceInEther} ETH`), ]) } SignatureRequest.prototype.renderAccountInfo = function () { return h('div.request-signature__account-info', [ this.renderAccountDropdown(), this.renderRequestIcon(), this.renderBalance(), ]) } SignatureRequest.prototype.renderRequestIcon = function () { const { requesterAddress } = this.props return h('div.request-signature__request-icon', [ h(Identicon, { diameter: 40, address: requesterAddress, }), ]) } SignatureRequest.prototype.renderRequestInfo = function () { return h('div.request-signature__request-info', [ h('div.request-signature__headline', [ this.context.t('yourSigRequested'), ]), ]) } SignatureRequest.prototype.msgHexToText = function (hex) { try { const stripped = ethUtil.stripHexPrefix(hex) const buff = Buffer.from(stripped, 'hex') return buff.length === 32 ? hex : buff.toString('utf8') } catch (e) { return hex } } // eslint-disable-next-line react/display-name SignatureRequest.prototype.renderTypedDataV3 = function (data) { const { domain, message } = JSON.parse(data) return [ h('div.request-signature__typed-container', [ domain ? h('div', [ h('h1', 'Domain'), h(ObjectInspector, { data: domain, expandLevel: 1, name: 'domain' }), ]) : '', message ? h('div', [ h('h1', 'Message'), h(ObjectInspector, { data: message, expandLevel: 1, name: 'message' }), ]) : '', ]), ] } SignatureRequest.prototype.renderBody = function () { let rows let notice = this.context.t('youSign') + ':' const { txData } = this.props const { type, msgParams: { data, version } } = txData if (type === 'personal_sign') { rows = [{ name: this.context.t('message'), value: this.msgHexToText(data) }] } else if (type === 'eth_signTypedData') { rows = data } else if (type === 'eth_sign') { rows = [{ name: this.context.t('message'), value: data }] notice = [this.context.t('signNotice'), h('span.request-signature__help-link', { onClick: () => { global.platform.openWindow({ url: 'https://metamask.zendesk.com/hc/en-us/articles/360015488751', }) }, }, this.context.t('learnMore'))] } return h('div.request-signature__body', {}, [ this.renderAccountInfo(), this.renderRequestInfo(), h('div.request-signature__notice', { className: classnames({ 'request-signature__notice': type === 'personal_sign' || type === 'eth_signTypedData', 'request-signature__warning': type === 'eth_sign', }), }, [notice]), h('div.request-signature__rows', type === 'eth_signTypedData' && version === 'V3' ? this.renderTypedDataV3(data) : rows.map(({ name, value }) => { if (typeof value === 'boolean') { value = value.toString() } return h('div.request-signature__row', [ h('div.request-signature__row-title', [`${name}:`]), h('div.request-signature__row-value', value), ]) }), ), ]) } SignatureRequest.prototype.renderFooter = function () { const { signPersonalMessage, signTypedMessage, cancelPersonalMessage, cancelTypedMessage, signMessage, cancelMessage, } = this.props const { txData } = this.props const { type } = txData let cancel let sign if (type === 'personal_sign') { cancel = cancelPersonalMessage sign = signPersonalMessage } else if (type === 'eth_signTypedData') { cancel = cancelTypedMessage sign = signTypedMessage } else if (type === 'eth_sign') { cancel = cancelMessage sign = signMessage } return h('div.request-signature__footer', [ h(Button, { type: 'default', large: true, className: 'request-signature__footer__cancel-button', onClick: event => { cancel(event).then(() => { this.props.clearConfirmTransaction() this.props.history.push(DEFAULT_ROUTE) }) }, }, this.context.t('cancel')), h(Button, { type: 'primary', large: true, className: 'request-signature__footer__sign-button', onClick: event => { sign(event).then(() => { this.props.clearConfirmTransaction() this.props.history.push(DEFAULT_ROUTE) }) }, }, this.context.t('sign')), ]) } SignatureRequest.prototype.render = function () { return ( h('div.request-signature__container', [ this.renderHeader(), this.renderBody(), this.renderFooter(), ]) ) }