1 files changed, 230 insertions, 0 deletions
diff --git a/ui/app/pages/send/send.component.js b/ui/app/pages/send/send.component.js
new file mode 100644
index 000000000..5f0c9c9f2
--- /dev/null
+++ b/ui/app/pages/send/send.component.js
@@ -0,0 +1,230 @@
+import React from 'react'
+import PropTypes from 'prop-types'
+import PersistentForm from '../../../lib/persistent-form'
+import {
+  getAmountErrorObject,
+  getGasFeeErrorObject,
+  getToAddressForGasUpdate,
+  doesAmountErrorRequireUpdate,
+} from './send.utils'
+
+import SendHeader from './send-header'
+import SendContent from './send-content'
+import SendFooter from './send-footer'
+
+export default class SendTransactionScreen extends PersistentForm {
+
+  static propTypes = {
+    amount: PropTypes.string,
+    amountConversionRate: PropTypes.oneOfType([
+      PropTypes.string,
+      PropTypes.number,
+    ]),
+    blockGasLimit: PropTypes.string,
+    conversionRate: PropTypes.number,
+    editingTransactionId: PropTypes.string,
+    from: PropTypes.object,
+    gasLimit: PropTypes.string,
+    gasPrice: PropTypes.string,
+    gasTotal: PropTypes.string,
+    history: PropTypes.object,
+    network: PropTypes.string,
+    primaryCurrency: PropTypes.string,
+    recentBlocks: PropTypes.array,
+    selectedAddress: PropTypes.string,
+    selectedToken: PropTypes.object,
+    tokenBalance: PropTypes.string,
+    tokenContract: PropTypes.object,
+    fetchBasicGasEstimates: PropTypes.func,
+    updateAndSetGasTotal: PropTypes.func,
+    updateSendErrors: PropTypes.func,
+    updateSendTokenBalance: PropTypes.func,
+    scanQrCode: PropTypes.func,
+    qrCodeDetected: PropTypes.func,
+    qrCodeData: PropTypes.object,
+  }
+
+  static contextTypes = {
+    t: PropTypes.func,
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.qrCodeData) {
+      if (nextProps.qrCodeData.type === 'address') {
+        const scannedAddress = nextProps.qrCodeData.values.address.toLowerCase()
+        const currentAddress = this.props.to && this.props.to.toLowerCase()
+        if (currentAddress !== scannedAddress) {
+          this.props.updateSendTo(scannedAddress)
+          this.updateGas({ to: scannedAddress })
+          // Clean up QR code data after handling
+          this.props.qrCodeDetected(null)
+        }
+      }
+    }
+  }
+
+  updateGas ({ to: updatedToAddress, amount: value, data } = {}) {
+    const {
+      amount,
+      blockGasLimit,
+      editingTransactionId,
+      gasLimit,
+      gasPrice,
+      recentBlocks,
+      selectedAddress,
+      selectedToken = {},
+      to: currentToAddress,
+      updateAndSetGasLimit,
+    } = this.props
+
+    updateAndSetGasLimit({
+      blockGasLimit,
+      editingTransactionId,
+      gasLimit,
+      gasPrice,
+      recentBlocks,
+      selectedAddress,
+      selectedToken,
+      to: getToAddressForGasUpdate(updatedToAddress, currentToAddress),
+      value: value || amount,
+      data,
+    })
+  }
+
+  componentDidUpdate (prevProps) {
+    const {
+      amount,
+      amountConversionRate,
+      conversionRate,
+      from: { address, balance },
+      gasTotal,
+      network,
+      primaryCurrency,
+      selectedToken,
+      tokenBalance,
+      updateSendErrors,
+      updateSendTokenBalance,
+      tokenContract,
+    } = this.props
+
+    const {
+      from: { balance: prevBalance },
+      gasTotal: prevGasTotal,
+      tokenBalance: prevTokenBalance,
+      network: prevNetwork,
+      selectedToken: prevSelectedToken,
+    } = prevProps
+
+    const uninitialized = [prevBalance, prevGasTotal].every(n => n === null)
+
+    const amountErrorRequiresUpdate = doesAmountErrorRequireUpdate({
+      balance,
+      gasTotal,
+      prevBalance,
+      prevGasTotal,
+      prevTokenBalance,
+      selectedToken,
+      tokenBalance,
+    })
+
+    if (amountErrorRequiresUpdate) {
+      const amountErrorObject = getAmountErrorObject({
+        amount,
+        amountConversionRate,
+        balance,
+        conversionRate,
+        gasTotal,
+        primaryCurrency,
+        selectedToken,
+        tokenBalance,
+      })
+      const gasFeeErrorObject = selectedToken
+        ? getGasFeeErrorObject({
+          amountConversionRate,
+          balance,
+          conversionRate,
+          gasTotal,
+          primaryCurrency,
+          selectedToken,
+        })
+        : { gasFee: null }
+      updateSendErrors(Object.assign(amountErrorObject, gasFeeErrorObject))
+    }
+
+    if (!uninitialized) {
+
+      if (network !== prevNetwork && network !== 'loading') {
+        updateSendTokenBalance({
+          selectedToken,
+          tokenContract,
+          address,
+        })
+        this.updateGas()
+      }
+    }
+
+    const prevTokenAddress = prevSelectedToken && prevSelectedToken.address
+    const selectedTokenAddress = selectedToken && selectedToken.address
+
+    if (selectedTokenAddress && prevTokenAddress !== selectedTokenAddress) {
+      this.updateSendToken()
+    }
+  }
+
+  componentDidMount () {
+    this.props.fetchBasicGasEstimates()
+    .then(() => {
+      this.updateGas()
+    })
+  }
+
+  componentWillMount () {
+    this.updateSendToken()
+
+    // Show QR Scanner modal  if ?scan=true
+    if (window.location.search === '?scan=true') {
+      this.props.scanQrCode()
+
+      // Clear the queryString param after showing the modal
+      const cleanUrl = location.href.split('?')[0]
+      history.pushState({}, null, `${cleanUrl}`)
+      window.location.hash = '#send'
+    }
+  }
+
+  componentWillUnmount () {
+    this.props.resetSendState()
+  }
+
+  updateSendToken () {
+    const {
+      from: { address },
+      selectedToken,
+      tokenContract,
+      updateSendTokenBalance,
+    } = this.props
+
+    updateSendTokenBalance({
+      selectedToken,
+      tokenContract,
+      address,
+    })
+  }
+
+  render () {
+    const { history, showHexData } = this.props
+
+    return (
+      <div className="page-container">
+        <SendHeader history={history}/>
+        <SendContent
+          updateGas={(updateData) => this.updateGas(updateData)}
+          scanQrCode={_ => this.props.scanQrCode()}
+          showHexData={showHexData}
+        />
+        <SendFooter history={history}/>
+      </div>
+    )
+  }
+
+}