Complete integration of gas chart with redux.

ui/app/components/gas-customization/gas-modal-page-container/advanced-tab-content/advanced-tab-content.component.js

@@ -97,7 +97,7 @@ export default class AdvancedTabContent extends Component {
               updateCustomGasLimit
           ) }
           <div className="advanced-tab__fee-chart__title">Live Gas Price Predictions</div>
-          <GasPriceChart {...gasChartProps} />
+          <GasPriceChart {...gasChartProps} updateCustomGasPrice={updateCustomGasPrice} />
           <div className="advanced-tab__fee-chart__speed-buttons">
             <span>Slower</span>
             <span>Faster</span>

ui/app/components/gas-customization/gas-modal-page-container/gas-modal-page-container.component.js

@@ -47,6 +47,7 @@ export default class GasModalPageContainer extends Component {
     customGasLimit,
     newTotalFiat,
     gasChartProps,
+    currentTimeEstimate,
   }) {
     const { transactionFee } = this.props
     return (
@@ -55,7 +56,7 @@ export default class GasModalPageContainer extends Component {
         updateCustomGasLimit={convertThenUpdateCustomGasLimit}
         customGasPrice={customGasPrice}
         customGasLimit={customGasLimit}
-        timeRemaining="1 min 31 sec"
+        timeRemaining={currentTimeEstimate}
         transactionFee={transactionFee}
         totalFee={newTotalFiat}
         gasChartProps={gasChartProps}

ui/app/components/gas-customization/gas-modal-page-container/gas-modal-page-container.container.js

@@ -10,6 +10,7 @@ import {
   setCustomGasPrice,
   setCustomGasLimit,
   resetCustomData,
+  setCustomTimeEstimate,
 } from '../../../ducks/gas.duck'
 import {
   hideGasButtonGroup,
@@ -29,6 +30,7 @@ import {
   getBasicGasEstimateLoadingStatus,
   getAveragePriceEstimateInHexWEI,
   getDefaultActiveButtonIndex,
+  formatTimeEstimate,
 } from '../../../selectors/custom-gas'
 import {
   formatCurrency,
@@ -65,20 +67,24 @@ const mapStateToProps = state => {
 
   const hideBasic = state.appState.modal.modalState.props.hideBasic
 
+  const customGasPrice = calcCustomGasPrice(customModalGasPriceInHex)
+
   return {
     hideBasic,
     isConfirm: isConfirm(state),
     customModalGasPriceInHex,
     customModalGasLimitInHex,
-    customGasPrice: calcCustomGasPrice(customModalGasPriceInHex),
+    customGasPrice,
     customGasLimit: calcCustomGasLimit(customModalGasLimitInHex),
     newTotalFiat,
+    currentTimeEstimate: getRenderableTimeEstimate(customGasPrice, state.gas.priceAndTimeEstimates),
     gasPriceButtonGroupProps: {
       buttonDataLoading,
       defaultActiveButtonIndex: getDefaultActiveButtonIndex(gasButtonInfo, customModalGasPriceInHex),
       gasButtonInfo,
     },
     gasChartProps: {
+      currentPrice: customGasPrice,
       priceAndTimeEstimates: state.gas.priceAndTimeEstimates,
     },
     infoRowProps: {
@@ -111,6 +117,7 @@ const mapDispatchToProps = dispatch => {
       return dispatch(updateGasAndCalculate({ gasLimit, gasPrice }))
     },
     hideGasButtonGroup: () => dispatch(hideGasButtonGroup()),
+    setCustomTimeEstimate: (timeEstimateInSeconds) => dispatch(setCustomTimeEstimate(timeEstimateInSeconds)),
   }
 }
 
@@ -181,3 +188,25 @@ function addHexWEIsToRenderableFiat (aHexWEI, bHexWEI, convertedCurrency, conver
     partialRight(formatCurrency, [convertedCurrency]),
   )(aHexWEI, bHexWEI)
 }
+
+function getRenderableTimeEstimate (currentGasPrice, priceAndTimeEstimates) {
+  const gasPrices = priceAndTimeEstimates.map(({ gasprice }) => gasprice)
+  const estimatedTimes = priceAndTimeEstimates.map(({ expectedTime }) => expectedTime)
+
+  const closestLowerValueIndex = gasPrices.findIndex((e, i, a) => {
+    return e <= currentGasPrice && a[i + 1] >= currentGasPrice
+  })
+  const closestHigherValueIndex = gasPrices.findIndex((e, i, a) => {
+    return e > currentGasPrice
+  })
+
+  const closestLowerValue = gasPrices[closestLowerValueIndex]
+  const closestHigherValue = gasPrices[closestHigherValueIndex]
+  const estimatedClosestLowerTimeEstimate = estimatedTimes[closestLowerValueIndex]
+  const estimatedClosestHigherTimeEstimate = estimatedTimes[closestHigherValueIndex]
+
+  const slope = (estimatedClosestHigherTimeEstimate - estimatedClosestLowerTimeEstimate) / (closestHigherValue - closestLowerValue)
+  const newTimeEstimate = -1 * (slope * (closestHigherValue - currentGasPrice) - estimatedClosestHigherTimeEstimate)
+
+  return formatTimeEstimate(newTimeEstimate)
+}

ui/app/components/gas-customization/gas-modal-page-container/tests/gas-modal-page-container-component.test.js

@@ -65,6 +65,7 @@ describe('GasModalPageContainer Component', function () {
       customGasLimit={54321}
       gasPriceButtonGroupProps={mockGasPriceButtonGroupProps}
       infoRowProps={mockInfoRowProps}
+      currentTimeEstimate={'1 min 31 sec'}
       customGasPriceInHex={'mockCustomGasPriceInHex'}
       customGasLimitInHex={'mockCustomGasLimitInHex'}
     />, { context: { t: (str1, str2) => str2 ? str1 + str2 : str1 } })
@@ -199,6 +200,7 @@ describe('GasModalPageContainer Component', function () {
         customGasPrice: 123,
         customGasLimit: 456,
         newTotalFiat: '$0.30',
+        currentTimeEstimate: '1 min 31 sec',
       })
       const advancedTabContentProps = renderAdvancedTabContentResult.props
       assert.equal(advancedTabContentProps.updateCustomGasPrice(), 'mockConvertThenUpdateCustomGasPrice')

ui/app/components/gas-customization/gas-modal-page-container/tests/gas-modal-page-container-container.test.js

@@ -75,7 +75,12 @@ describe('gas-modal-page-container container', () => {
             limit: 'aaaaaaaa',
             price: 'ffffffff',
           },
-          priceAndTimeEstimates: 'mockPriceAndTimeEstimates',
+          priceAndTimeEstimates: [
+            { gasprice: 3, expectedTime: '31' },
+            { gasprice: 4, expectedTime: '62' },
+            { gasprice: 5, expectedTime: '93' },
+            { gasprice: 6, expectedTime: '124' },
+          ],
         },
         confirmTransaction: {
           txData: {
@@ -93,11 +98,18 @@ describe('gas-modal-page-container container', () => {
         isConfirm: true,
         customGasPrice: 4.294967295,
         customGasLimit: 2863311530,
+        currentTimeEstimate: '~1 min 11 sec',
         newTotalFiat: '637.41',
         customModalGasLimitInHex: 'aaaaaaaa',
         customModalGasPriceInHex: 'ffffffff',
         gasChartProps: {
-          priceAndTimeEstimates: 'mockPriceAndTimeEstimates',
+          'currentPrice': 4.294967295,
+          priceAndTimeEstimates: [
+            { gasprice: 3, expectedTime: '31' },
+            { gasprice: 4, expectedTime: '62' },
+            { gasprice: 5, expectedTime: '93' },
+            { gasprice: 6, expectedTime: '124' },
+          ],
         },
         gasPriceButtonGroupProps: {
           buttonDataLoading: 'mockBasicGasEstimateLoadingStatus:4',

ui/app/components/gas-customization/gas-price-chart/gas-price-chart.component.js

@@ -35,6 +35,43 @@ function appendOrUpdateCircle ({ circle, data, itemIndex, cx, cy, cssId, appendO
   }
 }
 
+function setSelectedCircle ({ chart, gasPrices, currentPrice, chartXStart, chartWidth }) {
+  const numberOfValues = chart.internal.data.xs.data1.length
+  const closestLowerValueIndex = gasPrices.findIndex((e, i, a) => {
+    return e <= currentPrice && a[i + 1] >= currentPrice
+  })
+  const closestHigherValueIndex = gasPrices.findIndex((e, i, a) => {
+    return e > currentPrice
+  })
+  const closestHigherValue = gasPrices[closestHigherValueIndex]
+  const closestLowerValue = gasPrices[closestLowerValueIndex]
+
+  if (closestHigherValue && closestLowerValue) {
+    const closestLowerCircle = d3.select(`.c3-circle-${closestLowerValueIndex}`)
+    const closestHigherCircle = d3.select(`.c3-circle-${closestHigherValueIndex}`)
+    const { x: lowerX, y: lowerY } = closestLowerCircle.node().getBoundingClientRect()
+    const { x: higherX, y: higherY } = closestHigherCircle.node().getBoundingClientRect()
+    const currentX = lowerX + (higherX - lowerX) * (currentPrice - closestLowerValue) / (closestHigherValue - closestLowerValue)
+    const slope = (higherY - lowerY) / (higherX - lowerX)
+    const newTimeEstimate = -1 * (slope * (higherX - currentX) - higherY)
+    chart.internal.selectPointB({
+      x: currentX,
+      value: newTimeEstimate,
+      id: 'data1',
+      index: numberOfValues,
+      name: 'data1',
+    }, numberOfValues)
+  } else {
+    const setCircle = d3.select('#set-circle')
+    if (!setCircle.empty()) {
+      setCircle.remove()
+    }
+    d3.select('.c3-tooltip-container').style('display', 'none !important')
+    chart.internal.hideXGridFocus()
+    return
+  }
+}
+
 export default class GasPriceChart extends Component {
   static contextTypes = {
     t: PropTypes.func,
@@ -42,12 +79,15 @@ export default class GasPriceChart extends Component {
 
   static propTypes = {
     priceAndTimeEstimates: PropTypes.array,
+    currentPrice: PropTypes.number,
+    updateCustomGasPrice: PropTypes.func,
   }
 
-  renderChart (priceAndTimeEstimates) {
+  renderChart (currentPrice, priceAndTimeEstimates, updateCustomGasPrice) {
     const gasPrices = priceAndTimeEstimates.map(({ gasprice }) => gasprice)
     const gasPricesMax = gasPrices[gasPrices.length - 1] + 1
     const estimatedTimes = priceAndTimeEstimates.map(({ expectedTime }) => expectedTime)
+
     const estimatedTimesMax = estimatedTimes[0]
     const chart = c3.generate({
       size: {
@@ -187,6 +227,28 @@ export default class GasPriceChart extends Component {
       })
     }
 
+    chart.internal.selectPointB = function (data, itemIndex = (data.index || 0)) {
+      const { x: chartXStart, y: chartYStart } = d3.select('.c3-areas-data1')
+        .node()
+        .getBoundingClientRect()
+
+      d3.select('#set-circle').remove()
+
+      const circle = this.main
+        .select('.' + 'c3-selected-circles' + this.getTargetSelectorSuffix(data.id))
+        .selectAll('.' + 'c3-selected-circle' + '-' + itemIndex)
+
+      appendOrUpdateCircle.bind(this)({
+        circle,
+        data,
+        itemIndex,
+        cx: () => data.x - chartXStart + 11,
+        cy: () => data.value - chartYStart + 10,
+        cssId: 'set-circle',
+        appendOnly: true,
+      })
+    }
+
     chart.internal.overlayPoint = function (data, itemIndex) {
         const circle = this.main
           .select('.' + 'c3-selected-circles' + this.getTargetSelectorSuffix(data.id))
@@ -238,13 +300,13 @@ export default class GasPriceChart extends Component {
 
     setTimeout(function () {
       setTickPosition('y', 0, -5, 8)
-      setTickPosition('y', 1, -3)
-      setTickPosition('x', 0, 3, 20)
-      setTickPosition('x', 1, 3, -10)
+      setTickPosition('y', 1, -3, -5)
+      setTickPosition('x', 0, 3, 15)
+      setTickPosition('x', 1, 3, -8)
 
       // TODO: Confirm the below constants work with all data sets and screen sizes
       d3.select('.c3-axis-x-label').attr('transform', 'translate(0,-15)')
-      d3.select('.c3-axis-y-label').attr('transform', 'translate(32, 2) rotate(-90)')
+      d3.select('.c3-axis-y-label').attr('transform', 'translate(52, 2) rotate(-90)')
       d3.select('.c3-xgrid-focus line').attr('y2', 98)
 
       d3.select('.c3-chart').on('mouseout', () => {
@@ -262,6 +324,7 @@ export default class GasPriceChart extends Component {
         const overlayedCircle = d3.select('#overlayed-circle')
         const numberOfValues = chart.internal.data.xs.data1.length
         const { x: circleX, y: circleY } = overlayedCircle.node().getBoundingClientRect()
+        const { x: xData } = overlayedCircle.datum()
         chart.internal.selectPoint({
           x: circleX - chartXStart,
           value: circleY - 1.5,
@@ -269,13 +332,15 @@ export default class GasPriceChart extends Component {
           index: numberOfValues,
           name: 'data1',
         }, numberOfValues)
+        updateCustomGasPrice(xData)
       })
 
+      setSelectedCircle({ chart, gasPrices, currentPrice, chartXStart, chartWidth })
+
       d3.select('.c3-chart').on('mousemove', function () {
         const chartMouseXPos = d3.event.clientX - chartXStart
         const posPercentile = chartMouseXPos / chartWidth
 
-
         const currentPosValue = (gasPrices[gasPrices.length - 1] - gasPrices[0]) * posPercentile + gasPrices[0]
         const closestLowerValueIndex = gasPrices.findIndex((e, i, a) => {
           return e <= currentPosValue && a[i + 1] >= currentPosValue
@@ -326,11 +391,26 @@ export default class GasPriceChart extends Component {
       })
     }, 0)
 
+    this.chart = chart
+  }
 
+  componentDidUpdate (prevProps) {
+    if (prevProps.currentPrice !== this.props.currentPrice) {
+      const chartRect = d3.select('.c3-areas-data1')
+      const { x: chartXStart, width: chartWidth } = chartRect.node().getBoundingClientRect()
+      setSelectedCircle({
+        chart: this.chart,
+        currentPrice: this.props.currentPrice,
+        gasPrices: this.props.priceAndTimeEstimates.map(({ gasprice }) => gasprice),
+        chartXStart,
+        chartWidth,
+      })
+    }
   }
 
   componentDidMount () {
-    this.renderChart(this.props.priceAndTimeEstimates)
+    const { currentPrice, priceAndTimeEstimates, updateCustomGasPrice } = this.props
+    this.renderChart(currentPrice, priceAndTimeEstimates, updateCustomGasPrice)
   }
 
   render () {

ui/app/components/gas-customization/gas-price-chart/tests/gas-price-chart.component.test.js

@@ -10,6 +10,9 @@ const mockSelectReturn = {
   node: () => ({
     getBoundingClientRect: () => ({ x: 123, y: 321, width: 400 }),
   }),
+  empty: sinon.spy(),
+  remove: sinon.spy(),
+  style: sinon.spy(),
   select: d3.select,
   attr: sinon.spy(),
   on: sinon.spy(),
@@ -17,11 +20,17 @@ const mockSelectReturn = {
 
 const GasPriceChart = proxyquire('../gas-price-chart.component.js', {
   'c3': {
-    generate: function () {
+    generate: function ({ data: { columns } }) {
       return {
         internal: {
           showTooltip: () => {},
           showXGridFocus: () => {},
+          hideXGridFocus: () => {},
+          data: {
+            xs: {
+              [columns[1][0]]: columns[1].slice(1),
+            },
+          },
         },
       }
     },

ui/app/ducks/gas.duck.js

@@ -212,7 +212,7 @@ export function fetchGasEstimates (blockTime) {
         const estimatedPricesAndTimes = r.map(({ expectedTime, expectedWait, gasprice }) => ({ expectedTime, expectedWait, gasprice }))
         const estimatedTimeWithUniquePrices = uniqBy(({ expectedTime }) => expectedTime, estimatedPricesAndTimes)
         const timeMappedToSeconds = estimatedTimeWithUniquePrices.map(({ expectedWait, gasprice }) => {
-          const expectedTime = (new BigNumber(expectedWait)).times(Number(blockTime), 10).div(60, 10).toString(10)
+          const expectedTime = (new BigNumber(expectedWait)).times(Number(blockTime), 10).toString(10)
           return {
             expectedTime,
             expectedWait,

ui/app/selectors/custom-gas.js

@@ -31,6 +31,7 @@ const selectors = {
   getAveragePriceEstimateInHexWEI,
   getDefaultActiveButtonIndex,
   priceEstimateToWei,
+  formatTimeEstimate,
 }
 
 module.exports = selectors