1 files changed, 170 insertions, 0 deletions
diff --git a/old-ui/app/components/ens-input.js b/old-ui/app/components/ens-input.js
new file mode 100644
index 000000000..c85a23514
--- /dev/null
+++ b/old-ui/app/components/ens-input.js
@@ -0,0 +1,170 @@
+const Component = require('react').Component
+const h = require('react-hyperscript')
+const inherits = require('util').inherits
+const extend = require('xtend')
+const debounce = require('debounce')
+const copyToClipboard = require('copy-to-clipboard')
+const ENS = require('ethjs-ens')
+const networkMap = require('ethjs-ens/lib/network-map.json')
+const ensRE = /.+\..+$/
+const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000'
+
+
+module.exports = EnsInput
+
+inherits(EnsInput, Component)
+function EnsInput () {
+  Component.call(this)
+}
+
+EnsInput.prototype.render = function () {
+  const props = this.props
+  const opts = extend(props, {
+    list: 'addresses',
+    onChange: () => {
+      const network = this.props.network
+      const networkHasEnsSupport = getNetworkEnsSupport(network)
+      if (!networkHasEnsSupport) return
+
+      const recipient = document.querySelector('input[name="address"]').value
+      if (recipient.match(ensRE) === null) {
+        return this.setState({
+          loadingEns: false,
+          ensResolution: null,
+          ensFailure: null,
+        })
+      }
+
+      this.setState({
+        loadingEns: true,
+      })
+      this.checkName()
+    },
+  })
+  return h('div', {
+    style: { width: '100%' },
+  }, [
+    h('input.large-input', opts),
+    // The address book functionality.
+    h('datalist#addresses',
+      [
+        // Corresponds to the addresses owned.
+        Object.keys(props.identities).map((key) => {
+          const identity = props.identities[key]
+          return h('option', {
+            value: identity.address,
+            label: identity.name,
+            key: identity.address,
+          })
+        }),
+        // Corresponds to previously sent-to addresses.
+        props.addressBook.map((identity) => {
+          return h('option', {
+            value: identity.address,
+            label: identity.name,
+            key: identity.address,
+          })
+        }),
+      ]),
+    this.ensIcon(),
+  ])
+}
+
+EnsInput.prototype.componentDidMount = function () {
+  const network = this.props.network
+  const networkHasEnsSupport = getNetworkEnsSupport(network)
+  this.setState({ ensResolution: ZERO_ADDRESS })
+
+  if (networkHasEnsSupport) {
+    const provider = global.ethereumProvider
+    this.ens = new ENS({ provider, network })
+    this.checkName = debounce(this.lookupEnsName.bind(this), 200)
+  }
+}
+
+EnsInput.prototype.lookupEnsName = function () {
+  const recipient = document.querySelector('input[name="address"]').value
+  const { ensResolution } = this.state
+
+  log.info(`ENS attempting to resolve name: ${recipient}`)
+  this.ens.lookup(recipient.trim())
+  .then((address) => {
+    if (address === ZERO_ADDRESS) throw new Error('No address has been set for this name.')
+    if (address !== ensResolution) {
+      this.setState({
+        loadingEns: false,
+        ensResolution: address,
+        nickname: recipient.trim(),
+        hoverText: address + '\nClick to Copy',
+        ensFailure: false,
+      })
+    }
+  })
+  .catch((reason) => {
+    log.error(reason)
+    return this.setState({
+      loadingEns: false,
+      ensResolution: ZERO_ADDRESS,
+      ensFailure: true,
+      hoverText: reason.message,
+    })
+  })
+}
+
+EnsInput.prototype.componentDidUpdate = function (prevProps, prevState) {
+  const state = this.state || {}
+  const ensResolution = state.ensResolution
+  // If an address is sent without a nickname, meaning not from ENS or from
+  // the user's own accounts, a default of a one-space string is used.
+  const nickname = state.nickname || ' '
+  if (prevState && ensResolution && this.props.onChange &&
+      ensResolution !== prevState.ensResolution) {
+    this.props.onChange(ensResolution, nickname)
+  }
+}
+
+EnsInput.prototype.ensIcon = function (recipient) {
+  const { hoverText } = this.state || {}
+  return h('span', {
+    title: hoverText,
+    style: {
+      position: 'absolute',
+      padding: '9px',
+      transform: 'translatex(-40px)',
+    },
+  }, this.ensIconContents(recipient))
+}
+
+EnsInput.prototype.ensIconContents = function (recipient) {
+  const { loadingEns, ensFailure, ensResolution } = this.state || { ensResolution: ZERO_ADDRESS}
+
+  if (loadingEns) {
+    return h('img', {
+      src: 'images/loading.svg',
+      style: {
+        width: '30px',
+        height: '30px',
+        transform: 'translateY(-6px)',
+      },
+    })
+  }
+
+  if (ensFailure) {
+    return h('i.fa.fa-warning.fa-lg.warning')
+  }
+
+  if (ensResolution && (ensResolution !== ZERO_ADDRESS)) {
+    return h('i.fa.fa-check-circle.fa-lg.cursor-pointer', {
+      style: { color: 'green' },
+      onClick: (event) => {
+        event.preventDefault()
+        event.stopPropagation()
+        copyToClipboard(ensResolution)
+      },
+    })
+  }
+}
+
+function getNetworkEnsSupport (network) {
+  return Boolean(networkMap[network])
+}