Update gas when hex data changes on send screen

ui/app/actions.js

@@ -917,6 +917,7 @@ function updateGasData ({
   selectedToken,
   to,
   value,
+  data,
 }) {
   return (dispatch) => {
     dispatch(actions.gasLoadingStarted())
@@ -937,6 +938,7 @@ function updateGasData ({
           to,
           value,
           estimateGasPrice,
+          data,
         }),
       ])
     })

ui/app/components/send/send-content/send-content.component.js

@@ -15,18 +15,24 @@ export default class SendContent extends Component {
     showHexData: PropTypes.bool,
   };
 
+  updateGas = (updateData) => this.props.updateGas(updateData)
+
   render () {
     return (
       <PageContainerContent>
         <div className="send-v2__form">
           <SendFromRow />
           <SendToRow
-            updateGas={(updateData) => this.props.updateGas(updateData)}
+            updateGas={this.updateGas}
             scanQrCode={ _ => this.props.scanQrCode()}
           />
-          <SendAmountRow updateGas={(updateData) => this.props.updateGas(updateData)} />
+          <SendAmountRow updateGas={this.updateGas} />
           <SendGasRow />
-          { this.props.showHexData ? <SendHexDataRow /> : null }
+          {(this.props.showHexData && (
+            <SendHexDataRow
+              updateGas={this.updateGas}
+            />
+          ))}
         </div>
       </PageContainerContent>
     )

ui/app/components/send/send-content/send-hex-data-row/send-hex-data-row.component.js

@@ -7,6 +7,7 @@ export default class SendHexDataRow extends Component {
     data: PropTypes.string,
     inError: PropTypes.bool,
     updateSendHexData: PropTypes.func.isRequired,
+    updateGas: PropTypes.func.isRequired,
   };
 
   static contextTypes = {
@@ -14,9 +15,10 @@ export default class SendHexDataRow extends Component {
   };
 
   onInput = (event) => {
-    const {updateSendHexData} = this.props
+    const {updateSendHexData, updateGas} = this.props
-    event.target.value = event.target.value.replace(/\n/g, '')
+    const data = event.target.value.replace(/\n/g, '') || null
-    updateSendHexData(event.target.value || null)
+    updateSendHexData(data)
+    updateGas({ data })
   }
 
   render () {

ui/app/components/send/send.component.js

@@ -62,7 +62,7 @@ export default class SendTransactionScreen extends PersistentForm {
     }
   }
 
-  updateGas ({ to: updatedToAddress, amount: value } = {}) {
+  updateGas ({ to: updatedToAddress, amount: value, data } = {}) {
     const {
       amount,
       blockGasLimit,
@@ -86,6 +86,7 @@ export default class SendTransactionScreen extends PersistentForm {
       selectedToken,
       to: getToAddressForGasUpdate(updatedToAddress, currentToAddress),
       value: value || amount,
+      data,
     })
   }
 

ui/app/components/send/send.container.js

@@ -86,9 +86,10 @@ function mapDispatchToProps (dispatch) {
       selectedToken,
       to,
       value,
+      data,
     }) => {
       !editingTransactionId
-        ? dispatch(updateGasData({ recentBlocks, selectedAddress, selectedToken, blockGasLimit, to, value }))
+        ? dispatch(updateGasData({ recentBlocks, selectedAddress, selectedToken, blockGasLimit, to, value, data }))
         : dispatch(setGasTotal(calcGasTotal(gasLimit, gasPrice)))
     },
     updateSendTokenBalance: ({ selectedToken, tokenContract, address }) => {

ui/app/components/send/send.utils.js

@@ -200,16 +200,34 @@ function doesAmountErrorRequireUpdate ({
   return amountErrorRequiresUpdate
 }
 
-async function estimateGas ({ selectedAddress, selectedToken, blockGasLimit, to, value, gasPrice, estimateGasMethod }) {
+async function estimateGas ({
+  selectedAddress,
+  selectedToken,
+  blockGasLimit,
+  to,
+  value,
+  data,
+  gasPrice,
+  estimateGasMethod,
+}) {
   const paramsForGasEstimate = { from: selectedAddress, value, gasPrice }
 
   if (selectedToken) {
     paramsForGasEstimate.value = '0x0'
     paramsForGasEstimate.data = generateTokenTransferData({ toAddress: to, amount: value, selectedToken })
+    paramsForGasEstimate.to = selectedToken.address
+  } else {
+    if (data) {
+      paramsForGasEstimate.data = data
+    }
+
+    if (to) {
+      paramsForGasEstimate.to = to
+    }
   }
 
   // if recipient has no code, gas is 21k max:
-  if (!selectedToken) {
+  if (!selectedToken && !data) {
     const code = Boolean(to) && await global.eth.getCode(to)
     if (!code || code === '0x') {
       return SIMPLE_GAS_COST
@@ -218,8 +236,6 @@ async function estimateGas ({ selectedAddress, selectedToken, blockGasLimit, to,
     return BASE_TOKEN_GAS_COST
   }
 
-  paramsForGasEstimate.to = selectedToken ? selectedToken.address : to
-
   // if not, fall back to block gasLimit
   paramsForGasEstimate.gas = ethUtil.addHexPrefix(multiplyCurrencies(blockGasLimit, 0.95, {
     multiplicandBase: 16,

ui/app/components/send/tests/send-component.test.js

@@ -289,6 +289,7 @@ describe('Send Component', function () {
           selectedToken: 'mockSelectedToken',
           to: '',
           value: 'mockAmount',
+          data: undefined,
         }
       )
     })

ui/app/components/send/tests/send-container.test.js

@@ -105,6 +105,7 @@ describe('send container', () => {
         selectedToken: { address: '0x1' },
         to: 'mockTo',
         value: 'mockValue',
+        data: undefined,
       }
 
       it('should dispatch a setGasTotal action when editingTransactionId is truthy', () => {
@@ -117,14 +118,14 @@ describe('send container', () => {
       })
 
       it('should dispatch an updateGasData action when editingTransactionId is falsy', () => {
-        const { selectedAddress, selectedToken, recentBlocks, blockGasLimit, to, value } = mockProps
+        const { selectedAddress, selectedToken, recentBlocks, blockGasLimit, to, value, data } = mockProps
         mapDispatchToPropsObject.updateAndSetGasTotal(
           Object.assign({}, mockProps, {editingTransactionId: false})
         )
         assert(dispatchSpy.calledOnce)
         assert.deepEqual(
           actionSpies.updateGasData.getCall(0).args[0],
-          { selectedAddress, selectedToken, recentBlocks, blockGasLimit, to, value }
+          { selectedAddress, selectedToken, recentBlocks, blockGasLimit, to, value, data }
         )
       })
     })

ui/app/components/send/tests/send-utils.test.js

@@ -367,6 +367,18 @@ describe('send utils', () => {
       assert.equal(result, '0xabc16')
     })
 
+    it('should call ethQuery.estimateGas without a recipient if the recipient is empty and data passed', async () => {
+      const data = 'mockData'
+      const to = ''
+      const result = await estimateGas({...baseMockParams, data, to})
+      assert.equal(baseMockParams.estimateGasMethod.callCount, 1)
+      assert.deepEqual(
+        baseMockParams.estimateGasMethod.getCall(0).args[0],
+        { gasPrice: undefined, value: undefined, data, from: baseExpectedCall.from, gas: baseExpectedCall.gas},
+      )
+      assert.equal(result, '0xabc16')
+    })
+
     it(`should return ${SIMPLE_GAS_COST} if ethQuery.getCode does not return '0x'`, async () => {
       assert.equal(baseMockParams.estimateGasMethod.callCount, 0)
       const result = await estimateGas(Object.assign({}, baseMockParams, { to: '0x123' }))