fix merge conflicts

54 files changed, 569 insertions, 203 deletions

diff --git a/ui/app/actions.js b/ui/app/actions.js
index 758696203..c822ef3ee 100644
--- a/ui/app/actions.js
+++ b/ui/app/actions.js
@@ -177,6 +177,8 @@ var actions = {
   CLEAR_SEND: 'CLEAR_SEND',
   OPEN_FROM_DROPDOWN: 'OPEN_FROM_DROPDOWN',
   CLOSE_FROM_DROPDOWN: 'CLOSE_FROM_DROPDOWN',
+  GAS_LOADING_STARTED: 'GAS_LOADING_STARTED',
+  GAS_LOADING_FINISHED: 'GAS_LOADING_FINISHED',
   setGasLimit,
   setGasPrice,
   updateGasData,
@@ -192,6 +194,8 @@ var actions = {
   updateSendErrors,
   clearSend,
   setSelectedAddress,
+  gasLoadingStarted,
+  gasLoadingFinished,
   // app messages
   confirmSeedWords: confirmSeedWords,
   showAccountDetail: showAccountDetail,
@@ -782,8 +786,9 @@ function updateGasData ({
   to,
   value,
 }) {
-  const estimatedGasPrice = estimateGasPriceFromRecentBlocks(recentBlocks)
   return (dispatch) => {
+    dispatch(actions.gasLoadingStarted())
+    const estimatedGasPrice = estimateGasPriceFromRecentBlocks(recentBlocks)
     return Promise.all([
       Promise.resolve(estimatedGasPrice),
       estimateGas({
@@ -804,14 +809,28 @@ function updateGasData ({
     .then((gasEstimate) => {
       dispatch(actions.setGasTotal(gasEstimate))
       dispatch(updateSendErrors({ gasLoadingError: null }))
+      dispatch(actions.gasLoadingFinished())
     })
     .catch(err => {
       log.error(err)
       dispatch(updateSendErrors({ gasLoadingError: 'gasLoadingError' }))
+      dispatch(actions.gasLoadingFinished())
     })
   }
 }
 
+function gasLoadingStarted () {
+  return {
+    type: actions.GAS_LOADING_STARTED,
+  }
+}
+
+function gasLoadingFinished () {
+  return {
+    type: actions.GAS_LOADING_FINISHED,
+  }
+}
+
 function updateSendTokenBalance ({
   selectedToken,
   tokenContract,
diff --git a/ui/app/app.js b/ui/app/app.js
index ec2329463..d0e48a368 100644
--- a/ui/app/app.js
+++ b/ui/app/app.js
@@ -314,7 +314,7 @@ function mapStateToProps (state) {
     noActiveNotices,
     seedWords,
     unapprovedTxs,
-    lastUnreadNotice,
+    nextUnreadNotice,
     lostAccounts,
     unapprovedMsgCount,
     unapprovedPersonalMsgCount,
@@ -348,7 +348,7 @@ function mapStateToProps (state) {
     network: state.metamask.network,
     provider: state.metamask.provider,
     forgottenPassword: state.appState.forgottenPassword,
-    lastUnreadNotice,
+    nextUnreadNotice,
     lostAccounts,
     frequentRpcList: state.metamask.frequentRpcList || [],
     currentCurrency: state.metamask.currentCurrency,
diff --git a/ui/app/components/customize-gas-modal/index.js b/ui/app/components/customize-gas-modal/index.js
index c8522a3c7..cd8f76ed5 100644
--- a/ui/app/components/customize-gas-modal/index.js
+++ b/ui/app/components/customize-gas-modal/index.js
@@ -33,6 +33,7 @@ const {
 const {
   getGasPrice,
   getGasLimit,
+  getGasIsLoading,
   getForceGasMin,
   conversionRateSelector,
   getSendAmount,
@@ -51,6 +52,7 @@ function mapStateToProps (state) {
   return {
     gasPrice: getGasPrice(state),
     gasLimit: getGasLimit(state),
+    gasIsLoading: getGasIsLoading(state),
     forceGasMin: getForceGasMin(state),
     conversionRate,
     amount: getSendAmount(state),
@@ -73,7 +75,7 @@ function mapDispatchToProps (dispatch) {
   }
 }
 
-function getOriginalState (props) {
+function getFreshState (props) {
   const gasPrice = props.gasPrice || MIN_GAS_PRICE_DEC
   const gasLimit = props.gasLimit || MIN_GAS_LIMIT_DEC
 
@@ -97,7 +99,11 @@ inherits(CustomizeGasModal, Component)
 function CustomizeGasModal (props) {
   Component.call(this)
 
-  this.state = getOriginalState(props)
+  const originalState = getFreshState(props)
+  this.state = {
+    ...originalState,
+    originalState,
+  }
 }
 
 CustomizeGasModal.contextTypes = {
@@ -106,6 +112,36 @@ CustomizeGasModal.contextTypes = {
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(CustomizeGasModal)
 
+CustomizeGasModal.prototype.componentWillReceiveProps = function (nextProps) {
+  const currentState = getFreshState(this.props)
+  const {
+    gasPrice: currentGasPrice,
+    gasLimit: currentGasLimit,
+  } = currentState
+  const newState = getFreshState(nextProps)
+  const {
+    gasPrice: newGasPrice,
+    gasLimit: newGasLimit,
+    gasTotal: newGasTotal,
+  } = newState
+  const gasPriceChanged = currentGasPrice !== newGasPrice
+  const gasLimitChanged = currentGasLimit !== newGasLimit
+
+  if (gasPriceChanged) {
+    this.setState({
+      gasPrice: newGasPrice,
+      gasTotal: newGasTotal,
+      priceSigZeros: '',
+      priceSigDec: '',
+    })
+  }
+  if (gasLimitChanged) {
+    this.setState({ gasLimit: newGasLimit, gasTotal: newGasTotal })
+  }
+  if (gasLimitChanged || gasPriceChanged) {
+    this.validate({ gasLimit: newGasLimit, gasTotal: newGasTotal })
+  }
+}
 
 CustomizeGasModal.prototype.save = function (gasPrice, gasLimit, gasTotal) {
   const {
@@ -137,7 +173,7 @@ CustomizeGasModal.prototype.save = function (gasPrice, gasLimit, gasTotal) {
 }
 
 CustomizeGasModal.prototype.revert = function () {
-  this.setState(getOriginalState(this.props))
+  this.setState(this.state.originalState)
 }
 
 CustomizeGasModal.prototype.validate = function ({ gasTotal, gasLimit }) {
@@ -233,7 +269,7 @@ CustomizeGasModal.prototype.convertAndSetGasPrice = function (newGasPrice) {
 }
 
 CustomizeGasModal.prototype.render = function () {
-  const { hideModal, forceGasMin } = this.props
+  const { hideModal, forceGasMin, gasIsLoading } = this.props
   const { gasPrice, gasLimit, gasTotal, error, priceSigZeros, priceSigDec } = this.state
 
   let convertedGasPrice = conversionUtil(gasPrice, {
@@ -266,7 +302,7 @@ CustomizeGasModal.prototype.render = function () {
     toNumericBase: 'dec',
   })
 
-  return h('div.send-v2__customize-gas', {}, [
+  return !gasIsLoading && h('div.send-v2__customize-gas', {}, [
     h('div.send-v2__customize-gas__content', {
     }, [
       h('div.send-v2__customize-gas__header', {}, [
@@ -288,6 +324,7 @@ CustomizeGasModal.prototype.render = function () {
           onChange: value => this.convertAndSetGasPrice(value),
           title: this.context.t('gasPrice'),
           copy: this.context.t('gasPriceCalculation'),
+          gasIsLoading,
         }),
 
         h(GasModalCard, {
@@ -297,6 +334,7 @@ CustomizeGasModal.prototype.render = function () {
           onChange: value => this.convertAndSetGasLimit(value),
           title: this.context.t('gasLimit'),
           copy: this.context.t('gasLimitCalculation'),
+          gasIsLoading,
         }),
 
       ]),
diff --git a/ui/app/components/dropdowns/token-menu-dropdown.js b/ui/app/components/dropdowns/token-menu-dropdown.js
index b70d0b893..fac7c451b 100644
--- a/ui/app/components/dropdowns/token-menu-dropdown.js
+++ b/ui/app/components/dropdowns/token-menu-dropdown.js
@@ -4,14 +4,21 @@ const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const connect = require('react-redux').connect
 const actions = require('../../actions')
-
+const genAccountLink = require('etherscan-link').createAccountLink
+const copyToClipboard = require('copy-to-clipboard')
+const { Menu, Item, CloseArea } = require('./components/menu')
 
 TokenMenuDropdown.contextTypes = {
   t: PropTypes.func,
 }
 
-module.exports = connect(null, mapDispatchToProps)(TokenMenuDropdown)
+module.exports = connect(mapStateToProps, mapDispatchToProps)(TokenMenuDropdown)
 
+function mapStateToProps (state) {
+  return {
+    network: state.metamask.network,
+  }
+}
 
 function mapDispatchToProps (dispatch) {
   return {
@@ -37,22 +44,34 @@ TokenMenuDropdown.prototype.onClose = function (e) {
 TokenMenuDropdown.prototype.render = function () {
   const { showHideTokenConfirmationModal } = this.props
 
-  return h('div.token-menu-dropdown', {}, [
-    h('div.token-menu-dropdown__close-area', {
+  return h(Menu, { className: 'token-menu-dropdown', isShowing: true }, [
+    h(CloseArea, {
       onClick: this.onClose,
     }),
-    h('div.token-menu-dropdown__container', {}, [
-      h('div.token-menu-dropdown__options', {}, [
-
-        h('div.token-menu-dropdown__option', {
-          onClick: (e) => {
-            e.stopPropagation()
-            showHideTokenConfirmationModal(this.props.token)
-            this.props.onClose()
-          },
-        }, this.context.t('hideToken')),
-
-      ]),
-    ]),
+    h(Item, {
+      onClick: (e) => {
+        e.stopPropagation()
+        showHideTokenConfirmationModal(this.props.token)
+        this.props.onClose()
+      },
+      text: this.context.t('hideToken'), 
+    }),
+    h(Item, {
+      onClick: (e) => {
+        e.stopPropagation()
+        copyToClipboard(this.props.token.address)
+        this.props.onClose()
+      },
+      text: this.context.t('copyContractAddress'), 
+    }),
+    h(Item, {
+      onClick: (e) => {
+        e.stopPropagation()
+        const url = genAccountLink(this.props.token.address, this.props.network)
+        global.platform.openWindow({ url })
+        this.props.onClose()
+      },
+      text: this.context.t('viewOnEtherscan'), 
+    }),
   ])
 }
diff --git a/ui/app/components/ens-input.js b/ui/app/components/ens-input.js
index aff4b6ef6..292dcdde6 100644
--- a/ui/app/components/ens-input.js
+++ b/ui/app/components/ens-input.js
@@ -12,6 +12,7 @@ const ZERO_ADDRESS = '0x0000000000000000000000000000000000000000'
 const connect = require('react-redux').connect
 const ToAutoComplete = require('./send/to-autocomplete')
 const log = require('loglevel')
+const { isValidENSAddress } = require('../util')
 
 EnsInput.contextTypes = {
   t: PropTypes.func,
@@ -25,31 +26,34 @@ function EnsInput () {
   Component.call(this)
 }
 
-EnsInput.prototype.render = function () {
-  const props = this.props
-  const opts = extend(props, {
-    list: 'addresses',
-    onChange: (recipient) => {
-      const network = this.props.network
-      const networkHasEnsSupport = getNetworkEnsSupport(network)
+EnsInput.prototype.onChange = function (recipient) {
+  const network = this.props.network
+  const networkHasEnsSupport = getNetworkEnsSupport(network)
 
-      props.onChange(recipient)
+  this.props.onChange({ toAddress: recipient })
 
-      if (!networkHasEnsSupport) return
+  if (!networkHasEnsSupport) return
 
-      if (recipient.match(ensRE) === null) {
-        return this.setState({
-          loadingEns: false,
-          ensResolution: null,
-          ensFailure: null,
-        })
-      }
+  if (recipient.match(ensRE) === null) {
+    return this.setState({
+      loadingEns: false,
+      ensResolution: null,
+      ensFailure: null,
+      toError: null,
+    })
+  }
 
-      this.setState({
-        loadingEns: true,
-      })
-      this.checkName(recipient)
-    },
+  this.setState({
+    loadingEns: true,
+  })
+  this.checkName(recipient)
+}
+
+EnsInput.prototype.render = function () {
+  const props = this.props
+  const opts = extend(props, {
+    list: 'addresses',
+    onChange: this.onChange.bind(this),
   })
   return h('div', {
     style: { width: '100%', position: 'relative' },
@@ -85,17 +89,27 @@ EnsInput.prototype.lookupEnsName = function (recipient) {
         nickname: recipient.trim(),
         hoverText: address + '\n' + this.context.t('clickCopy'),
         ensFailure: false,
+        toError: null,
       })
     }
   })
   .catch((reason) => {
-    log.error(reason)
-    return this.setState({
+    const setStateObj = {
       loadingEns: false,
-      ensResolution: ZERO_ADDRESS,
+      ensResolution: recipient,
       ensFailure: true,
-      hoverText: reason.message,
-    })
+      toError: null,
+    }
+    if (isValidENSAddress(recipient) && reason.message === 'ENS name not defined.') {
+      setStateObj.hoverText = this.context.t('ensNameNotFound')
+      setStateObj.toError = 'ensNameNotFound'
+      setStateObj.ensFailure = false
+    } else {
+      log.error(reason)
+      setStateObj.hoverText = reason.message
+    }
+
+    return this.setState(setStateObj)
   })
 }
 
@@ -105,9 +119,14 @@ EnsInput.prototype.componentDidUpdate = function (prevProps, prevState) {
   // 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 (prevProps.network !== this.props.network) {
+    const provider = global.ethereumProvider
+    this.ens = new ENS({ provider, network: this.props.network })
+    this.onChange(ensResolution)
+  }
   if (prevState && ensResolution && this.props.onChange &&
       ensResolution !== prevState.ensResolution) {
-    this.props.onChange(ensResolution, nickname)
+    this.props.onChange({ toAddress: ensResolution, nickname, toError: state.toError })
   }
 }
 
@@ -124,7 +143,9 @@ EnsInput.prototype.ensIcon = function (recipient) {
 }
 
 EnsInput.prototype.ensIconContents = function (recipient) {
-  const { loadingEns, ensFailure, ensResolution } = this.state || { ensResolution: ZERO_ADDRESS}
+  const { loadingEns, ensFailure, ensResolution, toError } = this.state || { ensResolution: ZERO_ADDRESS }
+
+  if (toError) return
 
   if (loadingEns) {
     return h('img', {
diff --git a/ui/app/components/identicon.js b/ui/app/components/identicon.js
index dce9b0449..424048745 100644
--- a/ui/app/components/identicon.js
+++ b/ui/app/components/identicon.js
@@ -36,6 +36,7 @@ IdenticonComponent.prototype.render = function () {
         key: 'identicon-' + address,
         style: {
           display: 'flex',
+          flexShrink: 0,
           alignItems: 'center',
           justifyContent: 'center',
           height: diameter,
diff --git a/ui/app/components/input-number.js b/ui/app/components/input-number.js
index de5fcca54..59c6842ef 100644
--- a/ui/app/components/input-number.js
+++ b/ui/app/components/input-number.js
@@ -22,12 +22,16 @@ function isValidInput (text) {
   return re.test(text)
 }
 
+function removeLeadingZeroes (str) {
+  return str.replace(/^0*(?=\d)/, '')
+}
+
 InputNumber.prototype.setValue = function (newValue) {
+  newValue = removeLeadingZeroes(newValue)
   if (newValue && !isValidInput(newValue)) return
   const { fixed, min = -1, max = Infinity, onChange } = this.props
 
   newValue = fixed ? newValue.toFixed(4) : newValue
-
   const newValueGreaterThanMin = conversionGTE(
     { value: newValue || '0', fromNumericBase: 'dec' },
     { value: min, fromNumericBase: 'hex' },
@@ -47,7 +51,7 @@ InputNumber.prototype.setValue = function (newValue) {
 }
 
 InputNumber.prototype.render = function () {
-  const { unitLabel, step = 1, placeholder, value = 0 } = this.props
+  const { unitLabel, step = 1, placeholder, value } = this.props
 
   return h('div.customize-gas-input-wrapper', {}, [
     h('input', {
@@ -63,11 +67,11 @@ InputNumber.prototype.render = function () {
     h('span.gas-tooltip-input-detail', {}, [unitLabel]),
     h('div.gas-tooltip-input-arrows', {}, [
       h('i.fa.fa-angle-up', {
-        onClick: () => this.setValue(addCurrencies(value, step)),
+        onClick: () => this.setValue(addCurrencies(value, step, { toNumericBase: 'dec' })),
       }),
       h('i.fa.fa-angle-down', {
         style: { cursor: 'pointer' },
-        onClick: () => this.setValue(subtractCurrencies(value, step)),
+        onClick: () => this.setValue(subtractCurrencies(value, step, { toNumericBase: 'dec' })),
       }),
     ]),
   ])
diff --git a/ui/app/components/pages/home.js b/ui/app/components/pages/home.js
index 9110f8202..c53413d3b 100644
--- a/ui/app/components/pages/home.js
+++ b/ui/app/components/pages/home.js
@@ -86,9 +86,9 @@ class Home extends Component {
     // if (!props.noActiveNotices) {
     //   log.debug('rendering notice screen for unread notices.')
     //   return h(NoticeScreen, {
-    //     notice: props.lastUnreadNotice,
+    //     notice: props.nextUnreadNotice,
     //     key: 'NoticeScreen',
-    //     onConfirm: () => props.dispatch(actions.markNoticeRead(props.lastUnreadNotice)),
+    //     onConfirm: () => props.dispatch(actions.markNoticeRead(props.nextUnreadNotice)),
     //   })
     // } else if (props.lostAccounts && props.lostAccounts.length > 0) {
     //   log.debug('rendering notice screen for lost accounts view.')
@@ -279,7 +279,7 @@ function mapStateToProps (state) {
     noActiveNotices,
     seedWords,
     unapprovedTxs,
-    lastUnreadNotice,
+    nextUnreadNotice,
     lostAccounts,
     unapprovedMsgCount,
     unapprovedPersonalMsgCount,
@@ -313,7 +313,7 @@ function mapStateToProps (state) {
     network: state.metamask.network,
     provider: state.metamask.provider,
     forgottenPassword: state.appState.forgottenPassword,
-    lastUnreadNotice,
+    nextUnreadNotice,
     lostAccounts,
     frequentRpcList: state.metamask.frequentRpcList || [],
     currentCurrency: state.metamask.currentCurrency,
diff --git a/ui/app/components/pages/notice.js b/ui/app/components/pages/notice.js
index 2329a9147..a9077b98b 100644
--- a/ui/app/components/pages/notice.js
+++ b/ui/app/components/pages/notice.js
@@ -154,11 +154,11 @@ class Notice extends Component {
 
 const mapStateToProps = state => {
   const { metamask } = state
-  const { noActiveNotices, lastUnreadNotice, lostAccounts } = metamask
+  const { noActiveNotices, nextUnreadNotice, lostAccounts } = metamask
 
   return {
     noActiveNotices,
-    lastUnreadNotice,
+    nextUnreadNotice,
     lostAccounts,
   }
 }
@@ -171,21 +171,21 @@ Notice.propTypes = {
 
 const mapDispatchToProps = dispatch => {
   return {
-    markNoticeRead: lastUnreadNotice => dispatch(actions.markNoticeRead(lastUnreadNotice)),
+    markNoticeRead: nextUnreadNotice => dispatch(actions.markNoticeRead(nextUnreadNotice)),
     markAccountsFound: () => dispatch(actions.markAccountsFound()),
   }
 }
 
 const mergeProps = (stateProps, dispatchProps, ownProps) => {
-  const { noActiveNotices, lastUnreadNotice, lostAccounts } = stateProps
+  const { noActiveNotices, nextUnreadNotice, lostAccounts } = stateProps
   const { markNoticeRead, markAccountsFound } = dispatchProps
 
   let notice
   let onConfirm
 
   if (!noActiveNotices) {
-    notice = lastUnreadNotice
-    onConfirm = () => markNoticeRead(lastUnreadNotice)
+    notice = nextUnreadNotice
+    onConfirm = () => markNoticeRead(nextUnreadNotice)
   } else if (lostAccounts && lostAccounts.length > 0) {
     notice = generateLostAccountsNotice(lostAccounts)
     onConfirm = () => markAccountsFound()
diff --git a/ui/app/components/pending-tx/confirm-send-ether.js b/ui/app/components/pending-tx/confirm-send-ether.js
index bbf5683f0..22b2670d8 100644
--- a/ui/app/components/pending-tx/confirm-send-ether.js
+++ b/ui/app/components/pending-tx/confirm-send-ether.js
@@ -20,7 +20,7 @@ const {
   calcGasTotal,
   isBalanceSufficient,
 } = require('../send_/send.utils')
-const GasFeeDisplay = require('../send/gas-fee-display-v2')
+const GasFeeDisplay = require('../send_/send-content/send-gas-row/gas-fee-display/gas-fee-display.component').default
 const SenderToRecipient = require('../sender-to-recipient')
 const NetworkDisplay = require('../network-display')
 const currencyFormatter = require('currency-formatter')
diff --git a/ui/app/components/pending-tx/confirm-send-token.js b/ui/app/components/pending-tx/confirm-send-token.js
index ee066b8f4..535347cee 100644
--- a/ui/app/components/pending-tx/confirm-send-token.js
+++ b/ui/app/components/pending-tx/confirm-send-token.js
@@ -11,7 +11,7 @@ abiDecoder.addABI(tokenAbi)
 const actions = require('../../actions')
 const clone = require('clone')
 const Identicon = require('../identicon')
-const GasFeeDisplay = require('../send/gas-fee-display-v2.js')
+const GasFeeDisplay = require('../send_/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js').default
 const NetworkDisplay = require('../network-display')
 const ethUtil = require('ethereumjs-util')
 const BN = ethUtil.BN
diff --git a/ui/app/components/send/currency-display.js b/ui/app/components/send/currency-display.js
index 3bc9ad226..5e2c5fdf6 100644
--- a/ui/app/components/send/currency-display.js
+++ b/ui/app/components/send/currency-display.js
@@ -57,6 +57,7 @@ CurrencyDisplay.prototype.getValueToRender = function ({ selectedToken, conversi
   return selectedToken
     ? conversionUtil(ethUtil.addHexPrefix(value), {
       fromNumericBase: 'hex',
+      toNumericBase: 'dec',
       toCurrency: symbol,
       conversionRate: multiplier,
       invertConversionRate: true,
@@ -91,8 +92,12 @@ CurrencyDisplay.prototype.getConvertedValueToRender = function (nonFormattedValu
     : convertedValue
 }
 
+function removeLeadingZeroes (str) {
+  return str.replace(/^0*(?=\d)/, '')
+}
+
 CurrencyDisplay.prototype.handleChange = function (newVal) {
-  this.setState({ valueToRender: newVal })
+  this.setState({ valueToRender: removeLeadingZeroes(newVal) })
   this.props.onChange(this.getAmount(newVal))
 }
 
@@ -113,6 +118,7 @@ CurrencyDisplay.prototype.render = function () {
     readOnly = false,
     inError = false,
     onBlur,
+    step,
   } = this.props
   const { valueToRender } = this.state
 
@@ -147,6 +153,7 @@ CurrencyDisplay.prototype.render = function () {
             width: this.getInputWidth(valueToRender, readOnly),
           },
           min: 0,
+          step,
         }),
 
         h('span.currency-display__currency-symbol', primaryCurrency),
diff --git a/ui/app/components/send/gas-fee-display-v2.js b/ui/app/components/send/gas-fee-display-v2.js
deleted file mode 100644
index 1423aa84d..000000000
--- a/ui/app/components/send/gas-fee-display-v2.js
+++ /dev/null
@@ -1,53 +0,0 @@
-const Component = require('react').Component
-const PropTypes = require('prop-types')
-const h = require('react-hyperscript')
-const inherits = require('util').inherits
-const CurrencyDisplay = require('./currency-display')
-const connect = require('react-redux').connect
-
-GasFeeDisplay.contextTypes = {
-  t: PropTypes.func,
-}
-
-module.exports = connect()(GasFeeDisplay)
-
-
-inherits(GasFeeDisplay, Component)
-function GasFeeDisplay () {
-  Component.call(this)
-}
-
-GasFeeDisplay.prototype.render = function () {
-  const {
-    conversionRate,
-    gasTotal,
-    onClick,
-    primaryCurrency = 'ETH',
-    convertedCurrency,
-    gasLoadingError,
-  } = this.props
-
-  return h('div.send-v2__gas-fee-display', [
-
-    gasTotal
-      ? h(CurrencyDisplay, {
-        primaryCurrency,
-        convertedCurrency,
-        value: gasTotal,
-        conversionRate,
-        convertedPrefix: '$',
-        readOnly: true,
-      })
-      : gasLoadingError
-        ? h('div.currency-display.currency-display--message', this.context.t('setGasPrice'))
-        : h('div.currency-display', this.context.t('loading')),
-
-    h('button.sliders-icon-container', {
-      onClick,
-      disabled: !gasTotal && !gasLoadingError,
-    }, [
-      h('i.fa.fa-sliders.sliders-icon'),
-    ]),
-
-  ])
-}
diff --git a/ui/app/components/send_/account-list-item/account-list-item.container.js b/ui/app/components/send_/account-list-item/account-list-item.container.js
index 3151b1f1d..4b4519288 100644
--- a/ui/app/components/send_/account-list-item/account-list-item.container.js
+++ b/ui/app/components/send_/account-list-item/account-list-item.container.js
@@ -1,7 +1,7 @@
 import { connect } from 'react-redux'
 import {
     getConversionRate,
-    getConvertedCurrency,
+    getCurrentCurrency,
 } from '../send.selectors.js'
 import AccountListItem from './account-list-item.component'
 
@@ -10,6 +10,6 @@ export default connect(mapStateToProps)(AccountListItem)
 function mapStateToProps (state) {
   return {
     conversionRate: getConversionRate(state),
-    currentCurrency: getConvertedCurrency(state),
+    currentCurrency: getCurrentCurrency(state),
   }
 }
diff --git a/ui/app/components/send_/account-list-item/tests/account-list-item-container.test.js b/ui/app/components/send_/account-list-item/tests/account-list-item-container.test.js
index 49da920e6..af0859117 100644
--- a/ui/app/components/send_/account-list-item/tests/account-list-item-container.test.js
+++ b/ui/app/components/send_/account-list-item/tests/account-list-item-container.test.js
@@ -12,7 +12,7 @@ proxyquire('../account-list-item.container.js', {
   },
   '../send.selectors.js': {
     getConversionRate: (s) => `mockConversionRate:${s}`,
-    getConvertedCurrency: (s) => `mockCurrentCurrency:${s}`,
+    getCurrentCurrency: (s) => `mockCurrentCurrency:${s}`,
   },
 })
 
diff --git a/ui/app/components/send_/send-content/send-amount-row/send-amount-row.component.js b/ui/app/components/send_/send-content/send-amount-row/send-amount-row.component.js
index 8aefeed4a..196538c11 100644
--- a/ui/app/components/send_/send-content/send-amount-row/send-amount-row.component.js
+++ b/ui/app/components/send_/send-content/send-amount-row/send-amount-row.component.js
@@ -23,6 +23,7 @@ export default class SendAmountRow extends Component {
     tokenBalance: PropTypes.string,
     updateSendAmount: PropTypes.func,
     updateSendAmountError: PropTypes.func,
+    updateGas: PropTypes.func,
   }
 
   validateAmount (amount) {
@@ -56,6 +57,14 @@ export default class SendAmountRow extends Component {
     updateSendAmount(amount)
   }
 
+  updateGas (amount) {
+    const { selectedToken, updateGas } = this.props
+
+    if (selectedToken) {
+      updateGas({ amount })
+    }
+  }
+
   render () {
     const {
       amount,
@@ -77,12 +86,16 @@ export default class SendAmountRow extends Component {
         <CurrencyDisplay
           conversionRate={amountConversionRate}
           convertedCurrency={convertedCurrency}
-          onBlur={newAmount => this.updateAmount(newAmount)}
+          onBlur={newAmount => {
+            this.updateGas(newAmount)
+            this.updateAmount(newAmount)
+          }}
           onChange={newAmount => this.validateAmount(newAmount)}
           inError={inError}
           primaryCurrency={primaryCurrency || 'ETH'}
           selectedToken={selectedToken}
-          value={amount || '0x0'}
+          value={amount}
+          step="any"
         />
       </SendRowWrapper>
     )
diff --git a/ui/app/components/send_/send-content/send-amount-row/send-amount-row.container.js b/ui/app/components/send_/send-content/send-amount-row/send-amount-row.container.js
index bbbf56971..b816d948f 100644
--- a/ui/app/components/send_/send-content/send-amount-row/send-amount-row.container.js
+++ b/ui/app/components/send_/send-content/send-amount-row/send-amount-row.container.js
@@ -2,7 +2,7 @@ import { connect } from 'react-redux'
 import {
   getAmountConversionRate,
   getConversionRate,
-  getConvertedCurrency,
+  getCurrentCurrency,
   getGasTotal,
   getPrimaryCurrency,
   getSelectedToken,
@@ -31,7 +31,7 @@ function mapStateToProps (state) {
     amountConversionRate: getAmountConversionRate(state),
     balance: getSendFromBalance(state),
     conversionRate: getConversionRate(state),
-    convertedCurrency: getConvertedCurrency(state),
+    convertedCurrency: getCurrentCurrency(state),
     gasTotal: getGasTotal(state),
     inError: sendAmountIsInError(state),
     primaryCurrency: getPrimaryCurrency(state),
diff --git a/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-component.test.js b/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-component.test.js
index 2205579ca..579e18585 100644
--- a/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-component.test.js
+++ b/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-component.test.js
@@ -12,10 +12,12 @@ const propsMethodSpies = {
   setMaxModeTo: sinon.spy(),
   updateSendAmount: sinon.spy(),
   updateSendAmountError: sinon.spy(),
+  updateGas: sinon.spy(),
 }
 
 sinon.spy(SendAmountRow.prototype, 'updateAmount')
 sinon.spy(SendAmountRow.prototype, 'validateAmount')
+sinon.spy(SendAmountRow.prototype, 'updateGas')
 
 describe('SendAmountRow Component', function () {
   let wrapper
@@ -36,6 +38,7 @@ describe('SendAmountRow Component', function () {
       tokenBalance={'mockTokenBalance'}
       updateSendAmount={propsMethodSpies.updateSendAmount}
       updateSendAmountError={propsMethodSpies.updateSendAmountError}
+      updateGas={propsMethodSpies.updateGas}
     />, { context: { t: str => str + '_t' } })
     instance = wrapper.instance()
   })
@@ -139,8 +142,14 @@ describe('SendAmountRow Component', function () {
       assert.equal(primaryCurrency, 'mockPrimaryCurrency')
       assert.deepEqual(selectedToken, { address: 'mockTokenAddress' })
       assert.equal(value, 'mockAmount')
+      assert.equal(SendAmountRow.prototype.updateGas.callCount, 0)
       assert.equal(SendAmountRow.prototype.updateAmount.callCount, 0)
       onBlur('mockNewAmount')
+      assert.equal(SendAmountRow.prototype.updateGas.callCount, 1)
+      assert.deepEqual(
+        SendAmountRow.prototype.updateGas.getCall(0).args,
+        ['mockNewAmount']
+      )
       assert.equal(SendAmountRow.prototype.updateAmount.callCount, 1)
       assert.deepEqual(
         SendAmountRow.prototype.updateAmount.getCall(0).args,
diff --git a/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-container.test.js b/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-container.test.js
index e4c913c69..94d9918a7 100644
--- a/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-container.test.js
+++ b/ui/app/components/send_/send-content/send-amount-row/tests/send-amount-row-container.test.js
@@ -24,7 +24,7 @@ proxyquire('../send-amount-row.container.js', {
   '../../send.selectors': {
     getAmountConversionRate: (s) => `mockAmountConversionRate:${s}`,
     getConversionRate: (s) => `mockConversionRate:${s}`,
-    getConvertedCurrency: (s) => `mockConvertedCurrency:${s}`,
+    getCurrentCurrency: (s) => `mockConvertedCurrency:${s}`,
     getGasTotal: (s) => `mockGasTotal:${s}`,
     getPrimaryCurrency: (s) => `mockPrimaryCurrency:${s}`,
     getSelectedToken: (s) => `mockSelectedToken:${s}`,
diff --git a/ui/app/components/send_/send-content/send-content.component.js b/ui/app/components/send_/send-content/send-content.component.js
index 3a14054eb..adc114c0e 100644
--- a/ui/app/components/send_/send-content/send-content.component.js
+++ b/ui/app/components/send_/send-content/send-content.component.js
@@ -18,7 +18,7 @@ export default class SendContent extends Component {
         <div className="send-v2__form">
           <SendFromRow />
           <SendToRow updateGas={(updateData) => this.props.updateGas(updateData)} />
-          <SendAmountRow />
+          <SendAmountRow updateGas={(updateData) => this.props.updateGas(updateData)} />
           <SendGasRow />
         </div>
       </PageContainerContent>
diff --git a/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js b/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
new file mode 100644
index 000000000..b1fd67412
--- /dev/null
+++ b/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/gas-fee-display.component.js
@@ -0,0 +1,61 @@
+import React, {Component} from 'react'
+import PropTypes from 'prop-types'
+import CurrencyDisplay from '../../../../send/currency-display'
+
+
+export default class GasFeeDisplay extends Component {
+
+  static propTypes = {
+    conversionRate: PropTypes.number,
+    primaryCurrency: PropTypes.string,
+    convertedCurrency: PropTypes.string,
+    gasLoadingError: PropTypes.bool,
+    gasTotal: PropTypes.string,
+    onClick: PropTypes.func,
+  };
+
+  render() {
+    const {
+      conversionRate,
+      gasTotal,
+      onClick,
+      primaryCurrency = 'ETH',
+      convertedCurrency,
+      gasLoadingError,
+    } = this.props
+
+    return (
+      <div className="send-v2__gas-fee-display">
+        {gasTotal
+          ? <CurrencyDisplay
+              primaryCurrency={primaryCurrency}
+              convertedCurrency={convertedCurrency}
+              value={gasTotal}
+              conversionRate={conversionRate}
+              gasLoadingError={gasLoadingError}
+              convertedPrefix={'$'}
+              readOnly
+            />
+          : gasLoadingError
+            ? <div className="currency-display.currency-display--message">
+                {this.context.t('setGasPrice')}
+              </div>
+            : <div className="currency-display">
+                {this.context.t('loading')}
+              </div>
+        }
+        <button
+          className="sliders-icon-container"
+          onClick={onClick}
+          disabled={!gasTotal && !gasLoadingError}
+        >
+          <i className="fa fa-sliders sliders-icon" />
+        </button>
+      </div>
+    )
+  }
+}
+
+GasFeeDisplay.contextTypes = {
+  t: PropTypes.func,
+}
diff --git a/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/index.js b/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/index.js
new file mode 100644
index 000000000..dba0edb7b
--- /dev/null
+++ b/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/index.js
@@ -0,0 +1 @@
+export { default } from './gas-fee-display.component'
diff --git a/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js b/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js
new file mode 100644
index 000000000..66f3a94df
--- /dev/null
+++ b/ui/app/components/send_/send-content/send-gas-row/gas-fee-display/test/gas-fee-display.component.test.js
@@ -0,0 +1,55 @@
+import React from 'react'
+import assert from 'assert'
+import {shallow} from 'enzyme'
+import GasFeeDisplay from '../gas-fee-display.component'
+import CurrencyDisplay from '../../../../../send/currency-display'
+import sinon from 'sinon'
+
+
+const propsMethodSpies = {
+  showCustomizeGasModal: sinon.spy(),
+}
+
+describe('SendGasRow Component', function() {
+  let wrapper
+
+  beforeEach(() => {
+    wrapper = shallow(<GasFeeDisplay
+      conversionRate={20}
+      gasTotal={'mockGasTotal'}
+      onClick={propsMethodSpies.showCustomizeGasModal}
+      primaryCurrency={'mockPrimaryCurrency'}
+      convertedCurrency={'mockConvertedCurrency'}
+    />, {context: {t: str => str + '_t'}})
+  })
+
+  afterEach(() => {
+    propsMethodSpies.showCustomizeGasModal.resetHistory()
+  })
+
+  describe('render', () => {
+    it('should render a CurrencyDisplay component', () => {
+      assert.equal(wrapper.find(CurrencyDisplay).length, 1)
+    })
+
+    it('should render the CurrencyDisplay with the correct props', () => {
+      const {
+        conversionRate,
+        convertedCurrency,
+        value,
+      } = wrapper.find(CurrencyDisplay).props()
+      assert.equal(conversionRate, 20)
+      assert.equal(convertedCurrency, 'mockConvertedCurrency')
+      assert.equal(value, 'mockGasTotal')
+    })
+
+    it('should render the Button with the correct props', () => {
+      const {
+        onClick,
+      } = wrapper.find('button').props()
+      assert.equal(propsMethodSpies.showCustomizeGasModal.callCount, 0)
+      onClick()
+      assert.equal(propsMethodSpies.showCustomizeGasModal.callCount, 1)
+    })
+  })
+})
diff --git a/ui/app/components/send_/send-content/send-gas-row/send-gas-row.component.js b/ui/app/components/send_/send-content/send-gas-row/send-gas-row.component.js
index c80d8c0bb..17cea3d4e 100644
--- a/ui/app/components/send_/send-content/send-gas-row/send-gas-row.component.js
+++ b/ui/app/components/send_/send-content/send-gas-row/send-gas-row.component.js
@@ -1,7 +1,7 @@
 import React, { Component } from 'react'
 import PropTypes from 'prop-types'
 import SendRowWrapper from '../send-row-wrapper/'
-import GasFeeDisplay from '../../../send/gas-fee-display-v2'
+import GasFeeDisplay from './gas-fee-display/gas-fee-display.component'
 
 export default class SendGasRow extends Component {
 
diff --git a/ui/app/components/send_/send-content/send-gas-row/send-gas-row.container.js b/ui/app/components/send_/send-content/send-gas-row/send-gas-row.container.js
index 20d3daa59..6e6fbc8a8 100644
--- a/ui/app/components/send_/send-content/send-gas-row/send-gas-row.container.js
+++ b/ui/app/components/send_/send-content/send-gas-row/send-gas-row.container.js
@@ -1,7 +1,7 @@
 import { connect } from 'react-redux'
 import {
     getConversionRate,
-    getConvertedCurrency,
+    getCurrentCurrency,
     getGasTotal,
 } from '../../send.selectors.js'
 import { sendGasIsInError } from './send-gas-row.selectors.js'
@@ -13,7 +13,7 @@ export default connect(mapStateToProps, mapDispatchToProps)(SendGasRow)
 function mapStateToProps (state) {
   return {
     conversionRate: getConversionRate(state),
-    convertedCurrency: getConvertedCurrency(state),
+    convertedCurrency: getCurrentCurrency(state),
     gasTotal: getGasTotal(state),
     gasLoadingError: sendGasIsInError(state),
   }
diff --git a/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-component.test.js b/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-component.test.js
index e4f05d708..db37f18be 100644
--- a/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-component.test.js
+++ b/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-component.test.js
@@ -5,7 +5,7 @@ import sinon from 'sinon'
 import SendGasRow from '../send-gas-row.component.js'
 
 import SendRowWrapper from '../../send-row-wrapper/send-row-wrapper.component'
-import GasFeeDisplay from '../../../../send/gas-fee-display-v2'
+import GasFeeDisplay from '../gas-fee-display/gas-fee-display.component'
 
 const propsMethodSpies = {
   showCustomizeGasModal: sinon.spy(),
diff --git a/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-container.test.js b/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-container.test.js
index 9135524d1..e928c8aba 100644
--- a/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-container.test.js
+++ b/ui/app/components/send_/send-content/send-gas-row/tests/send-gas-row-container.test.js
@@ -19,7 +19,7 @@ proxyquire('../send-gas-row.container.js', {
   },
   '../../send.selectors.js': {
     getConversionRate: (s) => `mockConversionRate:${s}`,
-    getConvertedCurrency: (s) => `mockConvertedCurrency:${s}`,
+    getCurrentCurrency: (s) => `mockConvertedCurrency:${s}`,
     getGasTotal: (s) => `mockGasTotal:${s}`,
   },
   './send-gas-row.selectors.js': { sendGasIsInError: (s) => `mockGasLoadingError:${s}` },
diff --git a/ui/app/components/send_/send-content/send-to-row/send-to-row.component.js b/ui/app/components/send_/send-content/send-to-row/send-to-row.component.js
index 0a83186a5..1c2ecdf9c 100644
--- a/ui/app/components/send_/send-content/send-to-row/send-to-row.component.js
+++ b/ui/app/components/send_/send-content/send-to-row/send-to-row.component.js
@@ -19,9 +19,9 @@ export default class SendToRow extends Component {
     updateSendToError: PropTypes.func,
   };
 
-  handleToChange (to, nickname = '') {
+  handleToChange (to, nickname = '', toError) {
     const { updateSendTo, updateSendToError, updateGas } = this.props
-    const toErrorObject = getToErrorObject(to)
+    const toErrorObject = getToErrorObject(to, toError)
     updateSendTo(to, nickname)
     updateSendToError(toErrorObject)
     if (toErrorObject.to === null) {
@@ -53,7 +53,7 @@ export default class SendToRow extends Component {
           inError={inError}
           name={'address'}
           network={network}
-          onChange={(newTo, newNickname) => this.handleToChange(newTo, newNickname)}
+          onChange={({ toAddress, nickname, toError }) => this.handleToChange(toAddress, nickname, toError)}
           openDropdown={() => openToDropdown()}
           placeholder={this.context.t('recipientAddress')}
           to={to}
diff --git a/ui/app/components/send_/send-content/send-to-row/send-to-row.utils.js b/ui/app/components/send_/send-content/send-to-row/send-to-row.utils.js
index cea51ee20..6b90a9f09 100644
--- a/ui/app/components/send_/send-content/send-to-row/send-to-row.utils.js
+++ b/ui/app/components/send_/send-content/send-to-row/send-to-row.utils.js
@@ -4,12 +4,10 @@ const {
 } = require('../../send.constants')
 const { isValidAddress } = require('../../../../util')
 
-function getToErrorObject (to) {
-  let toError = null
-
+function getToErrorObject (to, toError = null) {
   if (!to) {
     toError = REQUIRED_ERROR
-  } else if (!isValidAddress(to)) {
+  } else if (!isValidAddress(to) && !toError) {
     toError = INVALID_RECIPIENT_ADDRESS_ERROR
   }
 
diff --git a/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-component.test.js b/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-component.test.js
index 58fe51dcf..781371004 100644
--- a/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-component.test.js
+++ b/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-component.test.js
@@ -6,8 +6,8 @@ import proxyquire from 'proxyquire'
 
 const SendToRow = proxyquire('../send-to-row.component.js', {
   './send-to-row.utils.js': {
-    getToErrorObject: (to) => ({
-      to: to === false ? null : `mockToErrorObject:${to}`,
+    getToErrorObject: (to, toError) => ({
+      to: to === false ? null : `mockToErrorObject:${to}${toError}`,
     }),
   },
 }).default
@@ -67,11 +67,11 @@ describe('SendToRow Component', function () {
 
     it('should call updateSendToError', () => {
       assert.equal(propsMethodSpies.updateSendToError.callCount, 0)
-      instance.handleToChange('mockTo2')
+      instance.handleToChange('mockTo2', '', 'mockToError')
       assert.equal(propsMethodSpies.updateSendToError.callCount, 1)
       assert.deepEqual(
         propsMethodSpies.updateSendToError.getCall(0).args,
-        [{ to: 'mockToErrorObject:mockTo2' }]
+        [{ to: 'mockToErrorObject:mockTo2mockToError' }]
       )
     })
 
@@ -138,11 +138,11 @@ describe('SendToRow Component', function () {
       openDropdown()
       assert.equal(propsMethodSpies.openToDropdown.callCount, 1)
       assert.equal(SendToRow.prototype.handleToChange.callCount, 0)
-      onChange('mockNewTo', 'mockNewNickname')
+      onChange({ toAddress: 'mockNewTo', nickname: 'mockNewNickname', toError: 'mockToError' })
       assert.equal(SendToRow.prototype.handleToChange.callCount, 1)
       assert.deepEqual(
         SendToRow.prototype.handleToChange.getCall(0).args,
-        ['mockNewTo', 'mockNewNickname']
+        ['mockNewTo', 'mockNewNickname', 'mockToError']
       )
     })
   })
diff --git a/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-utils.test.js b/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-utils.test.js
index 615c9581b..4d2447c32 100644
--- a/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-utils.test.js
+++ b/ui/app/components/send_/send-content/send-to-row/tests/send-to-row-utils.test.js
@@ -40,6 +40,12 @@ describe('send-to-row utils', () => {
         to: null,
       })
     })
+
+    it('should return the passed error if to is truthy but invalid if to is truthy and valid', () => {
+      assert.deepEqual(getToErrorObject('invalid #$ 345878', 'someExplicitError'), {
+        to: 'someExplicitError',
+      })
+    })
   })
 
 })
diff --git a/ui/app/components/send_/send.component.js b/ui/app/components/send_/send.component.js
index 516251e22..219b362f2 100644
--- a/ui/app/components/send_/send.component.js
+++ b/ui/app/components/send_/send.component.js
@@ -3,6 +3,7 @@ import PropTypes from 'prop-types'
 import PersistentForm from '../../../lib/persistent-form'
 import {
   getAmountErrorObject,
+  getToAddressForGasUpdate,
   doesAmountErrorRequireUpdate,
 } from './send.utils'
 
@@ -38,7 +39,7 @@ export default class SendTransactionScreen extends PersistentForm {
     updateSendTokenBalance: PropTypes.func,
   };
 
-  updateGas ({ to } = {}) {
+  updateGas ({ to: updatedToAddress, amount: value } = {}) {
     const {
       amount,
       blockGasLimit,
@@ -48,6 +49,7 @@ export default class SendTransactionScreen extends PersistentForm {
       recentBlocks,
       selectedAddress,
       selectedToken = {},
+      to: currentToAddress,
       updateAndSetGasTotal,
     } = this.props
 
@@ -59,8 +61,8 @@ export default class SendTransactionScreen extends PersistentForm {
       recentBlocks,
       selectedAddress,
       selectedToken,
-      to: to && to.toLowerCase(),
-      value: amount,
+      to: getToAddressForGasUpdate(updatedToAddress, currentToAddress),
+      value: value || amount,
     })
   }
 
diff --git a/ui/app/components/send_/send.constants.js b/ui/app/components/send_/send.constants.js
index df5dee371..8acdf0641 100644
--- a/ui/app/components/send_/send.constants.js
+++ b/ui/app/components/send_/send.constants.js
@@ -36,6 +36,7 @@ const ONE_GWEI_IN_WEI_HEX = ethUtil.addHexPrefix(conversionUtil('0x1', {
 }))
 
 const SIMPLE_GAS_COST = '0x5208' // Hex for 21000, cost of a simple send.
+const BASE_TOKEN_GAS_COST = '0x186a0' // Hex for 100000, a base estimate for token transfers.
 
 module.exports = {
   INSUFFICIENT_FUNDS_ERROR,
@@ -52,4 +53,5 @@ module.exports = {
   REQUIRED_ERROR,
   SIMPLE_GAS_COST,
   TOKEN_TRANSFER_FUNCTION_SIGNATURE,
+  BASE_TOKEN_GAS_COST,
 }
diff --git a/ui/app/components/send_/send.container.js b/ui/app/components/send_/send.container.js
index 1fd96d61f..185653c5f 100644
--- a/ui/app/components/send_/send.container.js
+++ b/ui/app/components/send_/send.container.js
@@ -19,6 +19,7 @@ import {
   getSendAmount,
   getSendEditingTransactionId,
   getSendFromObject,
+  getSendTo,
   getTokenBalance,
 } from './send.selectors'
 import {
@@ -54,6 +55,7 @@ function mapStateToProps (state) {
     recentBlocks: getRecentBlocks(state),
     selectedAddress: getSelectedAddress(state),
     selectedToken: getSelectedToken(state),
+    to: getSendTo(state),
     tokenBalance: getTokenBalance(state),
     tokenContract: getSelectedTokenContract(state),
     tokenToFiatRate: getSelectedTokenToFiatRate(state),
diff --git a/ui/app/components/send_/send.selectors.js b/ui/app/components/send_/send.selectors.js
index 7e7cfe2e9..f910f7caf 100644
--- a/ui/app/components/send_/send.selectors.js
+++ b/ui/app/components/send_/send.selectors.js
@@ -14,7 +14,6 @@ const selectors = {
   getAmountConversionRate,
   getBlockGasLimit,
   getConversionRate,
-  getConvertedCurrency,
   getCurrentAccountWithSendEtherInfo,
   getCurrentCurrency,
   getCurrentNetwork,
@@ -98,10 +97,6 @@ function getConversionRate (state) {
   return state.metamask.conversionRate
 }
 
-function getConvertedCurrency (state) {
-  return state.metamask.currentCurrency
-}
-
 function getCurrentAccountWithSendEtherInfo (state) {
   const currentAddress = getSelectedAddress(state)
   const accounts = accountsWithSendEtherInfoSelector(state)
diff --git a/ui/app/components/send_/send.utils.js b/ui/app/components/send_/send.utils.js
index 67699be77..872df1d2f 100644
--- a/ui/app/components/send_/send.utils.js
+++ b/ui/app/components/send_/send.utils.js
@@ -4,11 +4,13 @@ const {
   conversionGTE,
   multiplyCurrencies,
   conversionGreaterThan,
+  conversionLessThan,
 } = require('../../conversion-util')
 const {
   calcTokenAmount,
 } = require('../../token-util')
 const {
+  BASE_TOKEN_GAS_COST,
   INSUFFICIENT_FUNDS_ERROR,
   INSUFFICIENT_TOKENS_ERROR,
   NEGATIVE_ETH_ERROR,
@@ -20,6 +22,7 @@ const abi = require('ethereumjs-abi')
 const ethUtil = require('ethereumjs-util')
 
 module.exports = {
+  addGasBuffer,
   calcGasTotal,
   calcTokenBalance,
   doesAmountErrorRequireUpdate,
@@ -27,6 +30,7 @@ module.exports = {
   estimateGasPriceFromRecentBlocks,
   generateTokenTransferData,
   getAmountErrorObject,
+  getToAddressForGasUpdate,
   isBalanceSufficient,
   isTokenBalanceSufficient,
 }
@@ -175,12 +179,13 @@ async function estimateGas ({ selectedAddress, selectedToken, blockGasLimit, to,
   }
 
   // if recipient has no code, gas is 21k max:
-  const hasRecipient = Boolean(to)
-  if (hasRecipient && !selectedToken) {
-    const code = await global.eth.getCode(to)
+  if (!selectedToken) {
+    const code = Boolean(to) && await global.eth.getCode(to)
     if (!code || code === '0x') {
       return SIMPLE_GAS_COST
     }
+  } else if (selectedToken && !to) {
+    return BASE_TOKEN_GAS_COST
   }
 
   paramsForGasEstimate.to = selectedToken ? selectedToken.address : to
@@ -201,16 +206,46 @@ async function estimateGas ({ selectedAddress, selectedToken, blockGasLimit, to,
           err.message.includes('gas required exceeds allowance or always failing transaction')
         )
         if (simulationFailed) {
-          return resolve(paramsForGasEstimate.gas)
+          const estimateWithBuffer = addGasBuffer(paramsForGasEstimate.gas, blockGasLimit, 1.5)
+          return resolve(ethUtil.addHexPrefix(estimateWithBuffer))
         } else {
           return reject(err)
         }
       }
-      return resolve(estimatedGas.toString(16))
+      const estimateWithBuffer = addGasBuffer(estimatedGas.toString(16), blockGasLimit, 1.5)
+      return resolve(ethUtil.addHexPrefix(estimateWithBuffer))
     })
   })
 }
 
+function addGasBuffer (initialGasLimitHex, blockGasLimitHex, bufferMultiplier = 1.5) {
+  const upperGasLimit = multiplyCurrencies(blockGasLimitHex, 0.9, {
+    toNumericBase: 'hex',
+    multiplicandBase: 16,
+    multiplierBase: 10,
+    numberOfDecimals: '0',
+  })
+  const bufferedGasLimit = multiplyCurrencies(initialGasLimitHex, bufferMultiplier, {
+    toNumericBase: 'hex',
+    multiplicandBase: 16,
+    multiplierBase: 10,
+    numberOfDecimals: '0',
+  })
+
+  // if initialGasLimit is above blockGasLimit, dont modify it
+  if (conversionGreaterThan(
+    { value: initialGasLimitHex, fromNumericBase: 'hex' },
+    { value: upperGasLimit, fromNumericBase: 'hex' },
+  )) return initialGasLimitHex
+  // if bufferedGasLimit is below blockGasLimit, use bufferedGasLimit
+  if (conversionLessThan(
+    { value: bufferedGasLimit, fromNumericBase: 'hex' },
+    { value: upperGasLimit, fromNumericBase: 'hex' },
+  )) return bufferedGasLimit
+  // otherwise use blockGasLimit
+  return upperGasLimit
+}
+
 function generateTokenTransferData ({ toAddress = '0x0', amount = '0x0', selectedToken }) {
   if (!selectedToken) return
   return TOKEN_TRANSFER_FUNCTION_SIGNATURE + Array.prototype.map.call(
@@ -237,3 +272,7 @@ function estimateGasPriceFromRecentBlocks (recentBlocks) {
 
   return lowestPrices[Math.floor(lowestPrices.length / 2)]
 }
+
+function getToAddressForGasUpdate (...addresses) {
+  return [...addresses, ''].find(str => str !== undefined && str !== null).toLowerCase()
+}
diff --git a/ui/app/components/send_/tests/send-component.test.js b/ui/app/components/send_/tests/send-component.test.js
index 4e33d8f63..4ba9b226d 100644
--- a/ui/app/components/send_/tests/send-component.test.js
+++ b/ui/app/components/send_/tests/send-component.test.js
@@ -201,7 +201,7 @@ describe('Send Component', function () {
   })
 
   describe('updateGas', () => {
-    it('should call updateAndSetGasTotal with the correct params', () => {
+    it('should call updateAndSetGasTotal with the correct params if no to prop is passed', () => {
       propsMethodSpies.updateAndSetGasTotal.resetHistory()
       wrapper.instance().updateGas()
       assert.equal(propsMethodSpies.updateAndSetGasTotal.callCount, 1)
@@ -215,12 +215,22 @@ describe('Send Component', function () {
           recentBlocks: ['mockBlock'],
           selectedAddress: 'mockSelectedAddress',
           selectedToken: 'mockSelectedToken',
-          to: undefined,
+          to: '',
           value: 'mockAmount',
         }
       )
     })
 
+    it('should call updateAndSetGasTotal with the correct params if a to prop is passed', () => {
+      propsMethodSpies.updateAndSetGasTotal.resetHistory()
+      wrapper.setProps({ to: 'someAddress' })
+      wrapper.instance().updateGas()
+      assert.equal(
+        propsMethodSpies.updateAndSetGasTotal.getCall(0).args[0].to,
+        'someaddress',
+      )
+    })
+
     it('should call updateAndSetGasTotal with to set to lowercase if passed', () => {
       propsMethodSpies.updateAndSetGasTotal.resetHistory()
       wrapper.instance().updateGas({ to: '0xABC' })
diff --git a/ui/app/components/send_/tests/send-container.test.js b/ui/app/components/send_/tests/send-container.test.js
index 056aad148..91484f4d8 100644
--- a/ui/app/components/send_/tests/send-container.test.js
+++ b/ui/app/components/send_/tests/send-container.test.js
@@ -39,6 +39,7 @@ proxyquire('../send.container.js', {
     getSelectedTokenContract: (s) => `mockTokenContract:${s}`,
     getSelectedTokenToFiatRate: (s) => `mockTokenToFiatRate:${s}`,
     getSendAmount: (s) => `mockAmount:${s}`,
+    getSendTo: (s) => `mockTo:${s}`,
     getSendEditingTransactionId: (s) => `mockEditingTransactionId:${s}`,
     getSendFromObject: (s) => `mockFrom:${s}`,
     getTokenBalance: (s) => `mockTokenBalance:${s}`,
@@ -70,6 +71,7 @@ describe('send container', () => {
         recentBlocks: 'mockRecentBlocks:mockState',
         selectedAddress: 'mockSelectedAddress:mockState',
         selectedToken: 'mockSelectedToken:mockState',
+        to: 'mockTo:mockState',
         tokenBalance: 'mockTokenBalance:mockState',
         tokenContract: 'mockTokenContract:mockState',
         tokenToFiatRate: 'mockTokenToFiatRate:mockState',
diff --git a/ui/app/components/send_/tests/send-selectors.test.js b/ui/app/components/send_/tests/send-selectors.test.js
index 152af8059..218da656b 100644
--- a/ui/app/components/send_/tests/send-selectors.test.js
+++ b/ui/app/components/send_/tests/send-selectors.test.js
@@ -8,7 +8,6 @@ const {
   getBlockGasLimit,
   getAmountConversionRate,
   getConversionRate,
-  getConvertedCurrency,
   getCurrentAccountWithSendEtherInfo,
   getCurrentCurrency,
   getCurrentNetwork,
@@ -154,15 +153,6 @@ describe('send selectors', () => {
     })
   })
 
-  describe('getConvertedCurrency()', () => {
-    it('should return the currently selected currency', () => {
-      assert.equal(
-        getConvertedCurrency(mockState),
-        'USD'
-      )
-    })
-  })
-
   describe('getCurrentAccountWithSendEtherInfo()', () => {
     it('should return the currently selected account with identity info', () => {
       assert.deepEqual(
diff --git a/ui/app/components/send_/tests/send-utils.test.js b/ui/app/components/send_/tests/send-utils.test.js
index b3f6372ef..a518a64e9 100644
--- a/ui/app/components/send_/tests/send-utils.test.js
+++ b/ui/app/components/send_/tests/send-utils.test.js
@@ -2,6 +2,7 @@ import assert from 'assert'
 import sinon from 'sinon'
 import proxyquire from 'proxyquire'
 import {
+  BASE_TOKEN_GAS_COST,
   ONE_GWEI_IN_WEI_HEX,
   SIMPLE_GAS_COST,
 } from '../send.constants'
@@ -18,10 +19,12 @@ const {
 const stubs = {
   addCurrencies: sinon.stub().callsFake((a, b, obj) => a + b),
   conversionUtil: sinon.stub().callsFake((val, obj) => parseInt(val, 16)),
-  conversionGTE: sinon.stub().callsFake((obj1, obj2) => obj1.value > obj2.value),
+  conversionGTE: sinon.stub().callsFake((obj1, obj2) => obj1.value >= obj2.value),
   multiplyCurrencies: sinon.stub().callsFake((a, b) => `${a}x${b}`),
   calcTokenAmount: sinon.stub().callsFake((a, d) => 'calc:' + a + d),
   rawEncode: sinon.stub().returns([16, 1100]),
+  conversionGreaterThan: sinon.stub().callsFake((obj1, obj2) => obj1.value > obj2.value),
+  conversionLessThan: sinon.stub().callsFake((obj1, obj2) => obj1.value < obj2.value),
 }
 
 const sendUtils = proxyquire('../send.utils.js', {
@@ -30,6 +33,8 @@ const sendUtils = proxyquire('../send.utils.js', {
     conversionUtil: stubs.conversionUtil,
     conversionGTE: stubs.conversionGTE,
     multiplyCurrencies: stubs.multiplyCurrencies,
+    conversionGreaterThan: stubs.conversionGreaterThan,
+    conversionLessThan: stubs.conversionLessThan,
   },
   '../../token-util': { calcTokenAmount: stubs.calcTokenAmount },
   'ethereumjs-abi': {
@@ -44,6 +49,7 @@ const {
   estimateGasPriceFromRecentBlocks,
   generateTokenTransferData,
   getAmountErrorObject,
+  getToAddressForGasUpdate,
   calcTokenBalance,
   isBalanceSufficient,
   isTokenBalanceSufficient,
@@ -255,7 +261,7 @@ describe('send utils', () => {
       estimateGasMethod: sinon.stub().callsFake(
         (data, cb) => cb(
           data.to.match(/willFailBecauseOf:/) ? { message: data.to.match(/:(.+)$/)[1] } : null,
-          { toString: (n) => `mockToString:${n}` }
+          { toString: (n) => `0xabc${n}` }
         )
       ),
     }
@@ -279,13 +285,23 @@ describe('send utils', () => {
     })
 
     it('should call ethQuery.estimateGas with the expected params', async () => {
-      const result = await estimateGas(baseMockParams)
+      const result = await sendUtils.estimateGas(baseMockParams)
       assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
       assert.deepEqual(
         baseMockParams.estimateGasMethod.getCall(0).args[0],
         Object.assign({ gasPrice: undefined, value: undefined }, baseExpectedCall)
       )
-      assert.equal(result, 'mockToString:16')
+      assert.equal(result, '0xabc16')
+    })
+
+    it('should call ethQuery.estimateGas with the expected params when initialGasLimitHex is lower than the upperGasLimit', async () => {
+      const result = await estimateGas(Object.assign({}, baseMockParams, { blockGasLimit: '0xbcd' }))
+      assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
+      assert.deepEqual(
+        baseMockParams.estimateGasMethod.getCall(0).args[0],
+        Object.assign({ gasPrice: undefined, value: undefined }, baseExpectedCall, { gas: '0xbcdx0.95' })
+      )
+      assert.equal(result, '0xabc16x1.5')
     })
 
     it('should call ethQuery.estimateGas with a value of 0x0 and the expected data and to if passed a selectedToken', async () => {
@@ -300,7 +316,7 @@ describe('send utils', () => {
           to: 'mockAddress',
         })
       )
-      assert.equal(result, 'mockToString:16')
+      assert.equal(result, '0xabc16')
     })
 
     it(`should return ${SIMPLE_GAS_COST} if ethQuery.getCode does not return '0x'`, async () => {
@@ -309,12 +325,23 @@ describe('send utils', () => {
       assert.equal(result, SIMPLE_GAS_COST)
     })
 
+    it(`should return ${SIMPLE_GAS_COST} if not passed a selectedToken or truthy to address`, async () => {
+      assert.equal(baseMockParams.estimateGasMethod.callCount, 0)
+      const result = await estimateGas(Object.assign({}, baseMockParams, { to: null }))
+      assert.equal(result, SIMPLE_GAS_COST)
+    })
+
     it(`should not return ${SIMPLE_GAS_COST} if passed a selectedToken`, async () => {
       assert.equal(baseMockParams.estimateGasMethod.callCount, 0)
       const result = await estimateGas(Object.assign({}, baseMockParams, { to: '0x123', selectedToken: { address: '' } }))
       assert.notEqual(result, SIMPLE_GAS_COST)
     })
 
+    it(`should return ${BASE_TOKEN_GAS_COST} if passed a selectedToken but no to address`, async () => {
+      const result = await estimateGas(Object.assign({}, baseMockParams, { to: null, selectedToken: { address: '' } }))
+      assert.equal(result, BASE_TOKEN_GAS_COST)
+    })
+
     it(`should return the adjusted blockGasLimit if it fails with a 'Transaction execution error.'`, async () => {
       const result = await estimateGas(Object.assign({}, baseMockParams, {
         to: 'isContract willFailBecauseOf:Transaction execution error.',
@@ -401,4 +428,15 @@ describe('send utils', () => {
       assert.equal(estimateGasPriceFromRecentBlocks(mockRecentBlocks), '0x5')
     })
   })
+
+  describe('getToAddressForGasUpdate()', () => {
+    it('should return empty string if all params are undefined or null', () => {
+      assert.equal(getToAddressForGasUpdate(undefined, null), '')
+    })
+
+    it('should return the first string that is not defined or null in lower case', () => {
+      assert.equal(getToAddressForGasUpdate('A', null), 'a')
+      assert.equal(getToAddressForGasUpdate(undefined, 'B'), 'b')
+    })
+  })
 })
diff --git a/ui/app/components/shapeshift-form.js b/ui/app/components/shapeshift-form.js
index 93d2023b5..2c4ba40bf 100644
--- a/ui/app/components/shapeshift-form.js
+++ b/ui/app/components/shapeshift-form.js
@@ -181,7 +181,7 @@ ShapeshiftForm.prototype.render = function () {
   return h('div.shapeshift-form-wrapper', [
     showQrCode
       ? this.renderQrCode()
-      : h('div.shapeshift-form', [
+      : h('div.modal-shapeshift-form', [
           h('div.shapeshift-form__selectors', [
 
             h('div.shapeshift-form__selector', [
diff --git a/ui/app/components/signature-request.js b/ui/app/components/signature-request.js
index ab780dcf4..bbb340fcf 100644
--- a/ui/app/components/signature-request.js
+++ b/ui/app/components/signature-request.js
@@ -178,7 +178,14 @@ SignatureRequest.prototype.renderBody = function () {
     rows = data
   } else if (type === 'eth_sign') {
     rows = [{ name: this.context.t('message'), value: data }]
-    notice = this.context.t('signNotice')
+    notice = [this.context.t('signNotice'),
+      h('span.request-signature__help-link', {
+        onClick: () => {
+          global.platform.openWindow({
+            url: 'https://consensys.zendesk.com/hc/en-us/articles/360004427792',
+          })
+        },
+    }, this.context.t('learnMore'))]
   }
 
   return h('div.request-signature__body', {}, [
@@ -197,6 +204,9 @@ SignatureRequest.prototype.renderBody = function () {
     h('div.request-signature__rows', [
 
       ...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),
diff --git a/ui/app/components/token-balance.js b/ui/app/components/token-balance.js
index 1900ccec7..df3bd59bb 100644
--- a/ui/app/components/token-balance.js
+++ b/ui/app/components/token-balance.js
@@ -34,7 +34,7 @@ TokenBalance.prototype.render = function () {
   return isLoading
     ? h('span', '')
     : h('span.token-balance', [
-      h('span.token-balance__amount', string),
+      h('span.hide-text-overflow.token-balance__amount', string),
       !balanceOnly && h('span.token-balance__symbol', symbol),
     ])
 }
diff --git a/ui/app/conversion-util.js b/ui/app/conversion-util.js
index 100402d95..337763067 100644
--- a/ui/app/conversion-util.js
+++ b/ui/app/conversion-util.js
@@ -190,6 +190,16 @@ const conversionGreaterThan = (
   return firstValue.gt(secondValue)
 }
 
+const conversionLessThan = (
+  { ...firstProps },
+  { ...secondProps },
+) => {
+  const firstValue = converter({ ...firstProps })
+  const secondValue = converter({ ...secondProps })
+
+  return firstValue.lt(secondValue)
+}
+
 const conversionMax = (
   { ...firstProps },
   { ...secondProps },
@@ -229,6 +239,7 @@ module.exports = {
   addCurrencies,
   multiplyCurrencies,
   conversionGreaterThan,
+  conversionLessThan,
   conversionGTE,
   conversionLTE,
   conversionMax,
diff --git a/ui/app/css/itcss/components/currency-display.scss b/ui/app/css/itcss/components/currency-display.scss
index 3560b0b0c..b1a74dce2 100644
--- a/ui/app/css/itcss/components/currency-display.scss
+++ b/ui/app/css/itcss/components/currency-display.scss
@@ -1,6 +1,5 @@
 .currency-display {
   height: 54px;
-  width: 100%ß;
   border: 1px solid $alto;
   border-radius: 4px;
   background-color: $white;
@@ -21,7 +20,7 @@
     line-height: 22px;
     border: none;
     outline: 0 !important;
-    max-width: 100%;
+    max-width: 22ch;
   }
 
   &__primary-currency {
@@ -47,14 +46,22 @@
   &__input-wrapper {
     position: relative;
     display: flex;
+    flex: 1;
+    max-width: 100%;
+
+    input[type="number"] {
+      -moz-appearance: textfield;
+    }
 
     input[type="number"]::-webkit-inner-spin-button {
       -webkit-appearance: none;
+      -moz-appearance: none;
       display: none;
     }
 
     input[type="number"]:hover::-webkit-inner-spin-button {
       -webkit-appearance: none;
+      -moz-appearance: none;
       display: none;
     }
   }
@@ -67,12 +74,14 @@
   .react-numeric-input {
     input[type="number"]::-webkit-inner-spin-button {
       -webkit-appearance: none;
+      -moz-appearance: none;
       display: none;
     }
 
     input[type="number"]:hover::-webkit-inner-spin-button {
       -webkit-appearance: none;
+      -moz-appearance: none;
       display: none;
     }
   }
-}
\ No newline at end of file
+}
diff --git a/ui/app/css/itcss/components/hero-balance.scss b/ui/app/css/itcss/components/hero-balance.scss
index 09d66aedd..eba93ecb4 100644
--- a/ui/app/css/itcss/components/hero-balance.scss
+++ b/ui/app/css/itcss/components/hero-balance.scss
@@ -27,25 +27,37 @@
     @media screen and (max-width: $break-small) {
       flex-direction: column;
       flex: 0 0 auto;
+      max-width: 100%;
     }
 
     @media screen and (min-width: $break-large) {
       flex-direction: row;
       flex-grow: 3;
+      min-width: 0;
     }
   }
 
   .balance-display {
     .token-amount {
       color: $black;
+      max-width: 100%;
+
+      .token-balance {
+        display: flex;
+      }
     }
 
     @media screen and (max-width: $break-small) {
+      max-width: 100%;
       text-align: center;
 
       .token-amount {
         font-size: 1.75rem;
         margin-top: 1rem;
+
+        .token-balance {
+          flex-direction: column;
+        }
       }
 
       .fiat-amount {
@@ -56,9 +68,10 @@
     }
 
     @media screen and (min-width: $break-large) {
-      margin-left: .8em;
+      margin: 0 .8em;
       justify-content: flex-start;
       align-items: flex-start;
+      min-width: 0;
 
       .token-amount {
         font-size: 1.5rem;
diff --git a/ui/app/css/itcss/components/modal.scss b/ui/app/css/itcss/components/modal.scss
index 74658f656..42ef7ae0a 100644
--- a/ui/app/css/itcss/components/modal.scss
+++ b/ui/app/css/itcss/components/modal.scss
@@ -642,10 +642,31 @@
     display: flex;
     flex-flow: column nowrap;
     flex: 1;
+    align-items: center;
 
     @media screen and (max-width: 575px) {
       height: 0;
     }
+
+    .shapeshift-form-wrapper {
+      display: flex;
+      flex-flow: column;
+      justify-content: center;
+      align-items: center;
+      flex: 1 0 auto;
+
+      .shapeshift-form, .modal-shapeshift-form {
+        border-radius: 8px;
+        background-color: rgba(0, 0, 0, .05);
+        padding: 17px 15px;
+        margin-bottom: 10px;
+
+        &__caret {
+          width: auto;
+          flex: 1;
+        }
+      }
+    }
   }
 
   &__logo {
@@ -773,17 +794,15 @@
     margin-top: 28px;
     flex: 1 0 auto;
 
-    .shapeshift-form {
-      width: auto;
+    .shapeshift-form, .modal-shapeshift-form {
+      border-radius: 8px;
+      background-color: rgba(0, 0, 0, .05);
+      padding: 17px 15px;
 
       &__caret {
         width: auto;
         flex: 1;
       }
-
-      @media screen and (max-width: 575px) {
-        width: auto;
-      }
     }
   }
 
diff --git a/ui/app/css/itcss/components/newui-sections.scss b/ui/app/css/itcss/components/newui-sections.scss
index bbe0ee661..667e45ba2 100644
--- a/ui/app/css/itcss/components/newui-sections.scss
+++ b/ui/app/css/itcss/components/newui-sections.scss
@@ -26,14 +26,16 @@ $wallet-view-bg: $alabaster;
 //Account and transaction details
 .account-and-transaction-details {
   display: flex;
-  flex: 1 0 auto;
+  flex: 1 1 auto;
+  min-width: 0;
 }
 
 // tx view
 
 .tx-view {
-  flex: 63.5 0 66.5%;
+  flex: 1 1 66.5%;
   background: $tx-view-bg;
+  min-width: 0;
 
   // No title on mobile
   @media screen and (max-width: 575px) {
@@ -286,7 +288,7 @@ $wallet-view-bg: $alabaster;
 }
 
 .token-balance__amount {
-  padding-right: 6px;
+  padding: 0 6px;
 }
 
 // first time
diff --git a/ui/app/css/itcss/components/request-signature.scss b/ui/app/css/itcss/components/request-signature.scss
index e6916c418..4707ff60e 100644
--- a/ui/app/css/itcss/components/request-signature.scss
+++ b/ui/app/css/itcss/components/request-signature.scss
@@ -183,6 +183,12 @@
     padding: 6px 18px 15px;
   }
 
+  &__help-link {
+    cursor: pointer;
+    text-decoration: underline;
+    color: $curious-blue;
+  }
+
   &__footer {
     width: 100%;
     display: flex;
diff --git a/ui/app/css/itcss/components/token-list.scss b/ui/app/css/itcss/components/token-list.scss
index 72fda372f..4b706abce 100644
--- a/ui/app/css/itcss/components/token-list.scss
+++ b/ui/app/css/itcss/components/token-list.scss
@@ -81,13 +81,9 @@ $wallet-balance-breakpoint-range: "screen and (min-width: #{$break-large}) and (
 }
 
 .token-menu-dropdown {
-  height: 55px;
   width: 80%;
-  border-radius: 4px;
-  background-color: rgba(0, 0, 0, .82);
-  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, .5);
   position: absolute;
-  top: 60px;
+  top: 52px;
   right: 25px;
   z-index: 2000;
 
diff --git a/ui/app/reducers/app.js b/ui/app/reducers/app.js
index 4e9d0848c..9cacf5fe7 100644
--- a/ui/app/reducers/app.js
+++ b/ui/app/reducers/app.js
@@ -62,6 +62,7 @@ function reduceApp (state, action) {
     warning: null,
     buyView: {},
     isMouseUser: false,
+    gasIsLoading: false,
   }, state.appState)
 
   switch (action.type) {
@@ -675,6 +676,16 @@ function reduceApp (state, action) {
         isMouseUser: action.value,
       })
 
+    case actions.GAS_LOADING_STARTED:
+      return extend(appState, {
+        gasIsLoading: true,
+      })
+
+    case actions.GAS_LOADING_FINISHED:
+      return extend(appState, {
+        gasIsLoading: false,
+      }) 
+
     default:
       return appState
   }
diff --git a/ui/app/reducers/metamask.js b/ui/app/reducers/metamask.js
index a4d1aece5..6c8ac9ed7 100644
--- a/ui/app/reducers/metamask.js
+++ b/ui/app/reducers/metamask.js
@@ -21,7 +21,7 @@ function reduceMetamask (state, action) {
     identities: {},
     unapprovedTxs: {},
     noActiveNotices: true,
-    lastUnreadNotice: undefined,
+    nextUnreadNotice: undefined,
     frequentRpcList: [],
     addressBook: [],
     selectedTokenAddress: null,
@@ -65,7 +65,7 @@ function reduceMetamask (state, action) {
     case actions.SHOW_NOTICE:
       return extend(metamaskState, {
         noActiveNotices: false,
-        lastUnreadNotice: action.value,
+        nextUnreadNotice: action.value,
       })
 
     case actions.CLEAR_NOTICES:
diff --git a/ui/app/selectors.js b/ui/app/selectors.js
index a29294b86..cf0affe9c 100644
--- a/ui/app/selectors.js
+++ b/ui/app/selectors.js
@@ -16,6 +16,7 @@ const selectors = {
   transactionsSelector,
   accountsWithSendEtherInfoSelector,
   getCurrentAccountWithSendEtherInfo,
+  getGasIsLoading,
   getGasPrice,
   getGasLimit,
   getForceGasMin,
@@ -117,6 +118,10 @@ function transactionsSelector (state) {
       .sort((a, b) => b.time - a.time)
 }
 
+function getGasIsLoading (state) {
+  return state.appState.gasIsLoading
+}
+
 function getGasPrice (state) {
   return state.metamask.send.gasPrice
 }
diff --git a/ui/app/util.js b/ui/app/util.js
index 1ccd17ba7..8c85c5926 100644
--- a/ui/app/util.js
+++ b/ui/app/util.js
@@ -36,6 +36,7 @@ module.exports = {
   miniAddressSummary: miniAddressSummary,
   isAllOneCase: isAllOneCase,
   isValidAddress: isValidAddress,
+  isValidENSAddress,
   numericBalance: numericBalance,
   parseBalance: parseBalance,
   formatBalance: formatBalance,
@@ -87,6 +88,10 @@ function isValidAddress (address) {
   return (isAllOneCase(prefixed) && ethUtil.isValidAddress(prefixed)) || ethUtil.isValidChecksumAddress(prefixed)
 }
 
+function isValidENSAddress (address) {
+  return address.match(/^.{7,}\.(eth|test)$/)
+}
+
 function isInvalidChecksumAddress (address) {
   var prefixed = ethUtil.addHexPrefix(address)
   if (address === '0x0000000000000000000000000000000000000000') return false