diff options
Diffstat (limited to 'ui/app/components/pending-tx/confirm-send-ether.js')
| -rw-r--r-- | ui/app/components/pending-tx/confirm-send-ether.js | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/ui/app/components/pending-tx/confirm-send-ether.js b/ui/app/components/pending-tx/confirm-send-ether.js new file mode 100644 index 000000000..566224864 --- /dev/null +++ b/ui/app/components/pending-tx/confirm-send-ether.js @@ -0,0 +1,471 @@ +const Component = require('react').Component +const { connect } = require('react-redux') +const h = require('react-hyperscript') +const inherits = require('util').inherits +const actions = require('../../actions') +const clone = require('clone') +const Identicon = require('../identicon') +const ethUtil = require('ethereumjs-util') +const BN = ethUtil.BN +const hexToBn = require('../../../../app/scripts/lib/hex-to-bn') +const { conversionUtil, addCurrencies } = require('../../conversion-util') + +const { MIN_GAS_PRICE_HEX } = require('../send/send-constants') + +module.exports = connect(mapStateToProps, mapDispatchToProps)(ConfirmSendEther) + +function mapStateToProps (state) { + const { + conversionRate, + identities, + currentCurrency, + send, + } = state.metamask + const accounts = state.metamask.accounts + const selectedAddress = state.metamask.selectedAddress || Object.keys(accounts)[0] + return { + conversionRate, + identities, + selectedAddress, + currentCurrency, + send, + } +} + +function mapDispatchToProps (dispatch) { + return { + clearSend: () => dispatch(actions.clearSend()), + editTransaction: txMeta => { + const { id, txParams } = txMeta + const { + gas: gasLimit, + gasPrice, + to, + value: amount, + } = txParams + dispatch(actions.updateSend({ + gasLimit, + gasPrice, + gasTotal: null, + to, + amount, + errors: { to: null, amount: null }, + editingTransactionId: id, + })) + dispatch(actions.showSendPage()) + }, + cancelTransaction: ({ id }) => dispatch(actions.cancelTx({ id })), + } +} + +inherits(ConfirmSendEther, Component) +function ConfirmSendEther () { + Component.call(this) + this.state = {} + this.onSubmit = this.onSubmit.bind(this) +} + +ConfirmSendEther.prototype.getAmount = function () { + 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, + ETH, + } + +} + +ConfirmSendEther.prototype.getGasFee = function () { + const { conversionRate, currentCurrency } = this.props + const txMeta = this.gatherTxMeta() + const txParams = txMeta.txParams || {} + + // Gas + const gas = txParams.gas + const gasBn = hexToBn(gas) + + // From latest master +// const gasLimit = new BN(parseInt(blockGasLimit)) +// const safeGasLimitBN = this.bnMultiplyByFraction(gasLimit, 19, 20) +// const saferGasLimitBN = this.bnMultiplyByFraction(gasLimit, 18, 20) +// const safeGasLimit = safeGasLimitBN.toString(10) + + // 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, + ETH, + } +} + +ConfirmSendEther.prototype.getData = function () { + const { identities } = this.props + const txMeta = this.gatherTxMeta() + const txParams = txMeta.txParams || {} + const { FIAT: gasFeeInFIAT, ETH: gasFeeInETH } = this.getGasFee() + const { FIAT: amountInFIAT, ETH: amountInETH } = this.getAmount() + + const totalInFIAT = addCurrencies(gasFeeInFIAT, amountInFIAT, { + toNumericBase: 'dec', + numberOfDecimals: 2, + }) + const totalInETH = addCurrencies(gasFeeInETH, amountInETH, { + toNumericBase: 'dec', + numberOfDecimals: 6, + }) + + return { + from: { + address: txParams.from, + name: identities[txParams.from].name, + }, + to: { + address: txParams.to, + name: identities[txParams.to] ? identities[txParams.to].name : 'New Recipient', + }, + memo: txParams.memo || '', + gasFeeInFIAT, + gasFeeInETH, + amountInFIAT, + amountInETH, + totalInFIAT, + totalInETH, + } +} + +ConfirmSendEther.prototype.render = function () { + const { editTransaction, currentCurrency, clearSend } = this.props + const txMeta = this.gatherTxMeta() + const txParams = txMeta.txParams || {} + + const { + from: { + address: fromAddress, + name: fromName, + }, + to: { + address: toAddress, + name: toName, + }, + memo, + gasFeeInFIAT, + gasFeeInETH, + amountInFIAT, + totalInFIAT, + totalInETH, + } = this.getData() + + // This is from the latest master + // It handles some of the errors that we are not currently handling + // Leaving as comments fo reference + + // const balanceBn = hexToBn(balance) + // const insufficientBalance = balanceBn.lt(maxCost) + // const buyDisabled = insufficientBalance || !this.state.valid || !isValidAddress || this.state.submitting + // const showRejectAll = props.unconfTxListLength > 1 +// const dangerousGasLimit = gasBn.gte(saferGasLimitBN) +// const gasLimitSpecified = txMeta.gasLimitSpecified + + this.inputs = [] + + return ( + h('div.confirm-screen-container.confirm-send-ether', { + style: { minWidth: '355px' }, + }, [ + // Main Send token Card + h('div.confirm-screen-wrapper.flex-column.flex-grow', [ + h('h3.flex-center.confirm-screen-header', [ + h('button.confirm-screen-back-button', { + onClick: () => editTransaction(txMeta), + }, 'EDIT'), + h('div.confirm-screen-title', 'Confirm Transaction'), + h('div.confirm-screen-header-tip'), + ]), + h('div.flex-row.flex-center.confirm-screen-identicons', [ + h('div.confirm-screen-account-wrapper', [ + h( + Identicon, + { + address: fromAddress, + diameter: 60, + }, + ), + h('span.confirm-screen-account-name', fromName), + // h('span.confirm-screen-account-number', fromAddress.slice(fromAddress.length - 4)), + ]), + h('i.fa.fa-arrow-right.fa-lg'), + h('div.confirm-screen-account-wrapper', [ + h( + Identicon, + { + address: txParams.to, + diameter: 60, + }, + ), + h('span.confirm-screen-account-name', toName), + // h('span.confirm-screen-account-number', toAddress.slice(toAddress.length - 4)), + ]), + ]), + + // h('h3.flex-center.confirm-screen-sending-to-message', { + // style: { + // textAlign: 'center', + // fontSize: '16px', + // }, + // }, [ + // `You're sending to Recipient ...${toAddress.slice(toAddress.length - 4)}`, + // ]), + + h('h3.flex-center.confirm-screen-send-amount', [`${amountInFIAT}`]), + 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 ? `"${memo}"` : '' ]), + ]), + + h('div.confirm-screen-rows', [ + h('section.flex-row.flex-center.confirm-screen-row', [ + h('span.confirm-screen-label.confirm-screen-section-column', [ 'From' ]), + h('div.confirm-screen-section-column', [ + h('div.confirm-screen-row-info', fromName), + h('div.confirm-screen-row-detail', `...${fromAddress.slice(fromAddress.length - 4)}`), + ]), + ]), + + h('section.flex-row.flex-center.confirm-screen-row', [ + h('span.confirm-screen-label.confirm-screen-section-column', [ 'To' ]), + h('div.confirm-screen-section-column', [ + h('div.confirm-screen-row-info', toName), + h('div.confirm-screen-row-detail', `...${toAddress.slice(toAddress.length - 4)}`), + ]), + ]), + + h('section.flex-row.flex-center.confirm-screen-row', [ + h('span.confirm-screen-label.confirm-screen-section-column', [ 'Gas Fee' ]), + h('div.confirm-screen-section-column', [ + h('div.confirm-screen-row-info', `${gasFeeInFIAT} ${currentCurrency.toUpperCase()}`), + + h('div.confirm-screen-row-detail', `${gasFeeInETH} ETH`), + ]), + ]), + + + h('section.flex-row.flex-center.confirm-screen-total-box ', [ + h('div.confirm-screen-section-column', [ + h('span.confirm-screen-label', [ 'Total ' ]), + h('div.confirm-screen-total-box__subtitle', [ 'Amount + Gas' ]), + ]), + + h('div.confirm-screen-section-column', [ + h('div.confirm-screen-row-info', `${totalInFIAT} ${currentCurrency.toUpperCase()}`), + h('div.confirm-screen-row-detail', `${totalInETH} ETH`), + ]), + ]), + ]), + +// These are latest errors handling from master +// Leaving as comments as reference when we start implementing error handling +// h('style', ` +// .conf-buttons button { +// margin-left: 10px; +// text-transform: uppercase; +// } +// `), + +// txMeta.simulationFails ? +// h('.error', { +// style: { +// marginLeft: 50, +// fontSize: '0.9em', +// }, +// }, 'Transaction Error. Exception thrown in contract code.') +// : null, + +// !isValidAddress ? +// h('.error', { +// style: { +// marginLeft: 50, +// fontSize: '0.9em', +// }, +// }, 'Recipient address is invalid. Sending this transaction will result in a loss of ETH.') +// : null, + +// insufficientBalance ? +// h('span.error', { +// style: { +// marginLeft: 50, +// fontSize: '0.9em', +// }, +// }, 'Insufficient balance for transaction') +// : null, + +// // send + cancel +// h('.flex-row.flex-space-around.conf-buttons', { +// style: { +// display: 'flex', +// justifyContent: 'flex-end', +// margin: '14px 25px', +// }, +// }, [ +// h('button', { +// onClick: (event) => { +// this.resetGasFields() +// event.preventDefault() +// }, +// }, 'Reset'), + +// // Accept Button or Buy Button +// insufficientBalance ? h('button.btn-green', { onClick: props.buyEth }, 'Buy Ether') : +// h('input.confirm.btn-green', { +// type: 'submit', +// value: 'SUBMIT', +// style: { marginLeft: '10px' }, +// disabled: buyDisabled, +// }), + +// h('button.cancel.btn-red', { +// onClick: props.cancelTransaction, +// }, 'Reject'), +// ]), +// showRejectAll ? h('.flex-row.flex-space-around.conf-buttons', { +// style: { +// display: 'flex', +// justifyContent: 'flex-end', +// margin: '14px 25px', +// }, +// }, [ +// h('button.cancel.btn-red', { +// onClick: props.cancelAllTransactions, +// }, 'Reject All'), +// ]) : null, +// ]), +// ]) +// ) +// } + ]), + + h('form#pending-tx-form', { + onSubmit: this.onSubmit, + }, [ + // Cancel Button + h('div.cancel.btn-light.confirm-screen-cancel-button', { + onClick: (event) => { + clearSend() + this.cancel(event, txMeta) + }, + }, 'CANCEL'), + + // Accept Button + h('button.confirm-screen-confirm-button', ['CONFIRM']), + ]), + ]) + ) +} + +ConfirmSendEther.prototype.onSubmit = function (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.dispatch(actions.displayWarning('Invalid Gas Parameters')) + this.setState({ submitting: false }) + } +} + +ConfirmSendEther.prototype.cancel = function (event, txMeta) { + event.preventDefault() + const { cancelTransaction } = this.props + + cancelTransaction(txMeta) +} + +ConfirmSendEther.prototype.checkValidity = function () { + const form = this.getFormEl() + const valid = form.checkValidity() + return valid +} + +ConfirmSendEther.prototype.getFormEl = function () { + 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, +ConfirmSendEther.prototype.gatherTxMeta = function () { + 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 +} + +ConfirmSendEther.prototype.verifyGasParams = function () { + // 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) + ) +} + +ConfirmSendEther.prototype._notZeroOrEmptyString = function (obj) { + return obj !== '' && obj !== '0x0' +} + +ConfirmSendEther.prototype.bnMultiplyByFraction = function (targetBN, numerator, denominator) { + const numBN = new BN(numerator) + const denomBN = new BN(denominator) + return targetBN.mul(numBN).div(denomBN) +} |