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Diffstat (limited to 'ui/app/ducks/gas.duck.js')
| -rw-r--r-- | ui/app/ducks/gas.duck.js | 517 |
1 files changed, 0 insertions, 517 deletions
diff --git a/ui/app/ducks/gas.duck.js b/ui/app/ducks/gas.duck.js deleted file mode 100644 index 957b00163..000000000 --- a/ui/app/ducks/gas.duck.js +++ /dev/null @@ -1,517 +0,0 @@ -import { clone, uniqBy, flatten } from 'ramda' -import BigNumber from 'bignumber.js' -import { - loadLocalStorageData, - saveLocalStorageData, -} from '../../lib/local-storage-helpers' -import { - decGWEIToHexWEI, -} from '../helpers/conversions.util' - -// Actions -const BASIC_GAS_ESTIMATE_LOADING_FINISHED = 'metamask/gas/BASIC_GAS_ESTIMATE_LOADING_FINISHED' -const BASIC_GAS_ESTIMATE_LOADING_STARTED = 'metamask/gas/BASIC_GAS_ESTIMATE_LOADING_STARTED' -const GAS_ESTIMATE_LOADING_FINISHED = 'metamask/gas/GAS_ESTIMATE_LOADING_FINISHED' -const GAS_ESTIMATE_LOADING_STARTED = 'metamask/gas/GAS_ESTIMATE_LOADING_STARTED' -const RESET_CUSTOM_GAS_STATE = 'metamask/gas/RESET_CUSTOM_GAS_STATE' -const RESET_CUSTOM_DATA = 'metamask/gas/RESET_CUSTOM_DATA' -const SET_BASIC_GAS_ESTIMATE_DATA = 'metamask/gas/SET_BASIC_GAS_ESTIMATE_DATA' -const SET_CUSTOM_GAS_ERRORS = 'metamask/gas/SET_CUSTOM_GAS_ERRORS' -const SET_CUSTOM_GAS_LIMIT = 'metamask/gas/SET_CUSTOM_GAS_LIMIT' -const SET_CUSTOM_GAS_PRICE = 'metamask/gas/SET_CUSTOM_GAS_PRICE' -const SET_CUSTOM_GAS_TOTAL = 'metamask/gas/SET_CUSTOM_GAS_TOTAL' -const SET_PRICE_AND_TIME_ESTIMATES = 'metamask/gas/SET_PRICE_AND_TIME_ESTIMATES' -const SET_API_ESTIMATES_LAST_RETRIEVED = 'metamask/gas/SET_API_ESTIMATES_LAST_RETRIEVED' -const SET_BASIC_API_ESTIMATES_LAST_RETRIEVED = 'metamask/gas/SET_BASIC_API_ESTIMATES_LAST_RETRIEVED' -const SET_BASIC_PRICE_ESTIMATES_LAST_RETRIEVED = 'metamask/gas/SET_BASIC_PRICE_ESTIMATES_LAST_RETRIEVED' - -// TODO: determine if this approach to initState is consistent with conventional ducks pattern -const initState = { - customData: { - price: null, - limit: null, - }, - basicEstimates: { - average: null, - fastestWait: null, - fastWait: null, - fast: null, - safeLowWait: null, - blockNum: null, - avgWait: null, - blockTime: null, - speed: null, - fastest: null, - safeLow: null, - }, - basicEstimateIsLoading: true, - gasEstimatesLoading: true, - priceAndTimeEstimates: [], - basicPriceAndTimeEstimates: [], - priceAndTimeEstimatesLastRetrieved: 0, - basicPriceAndTimeEstimatesLastRetrieved: 0, - basicPriceEstimatesLastRetrieved: 0, - errors: {}, -} - -// Reducer -export default function reducer ({ gas: gasState = initState }, action = {}) { - const newState = clone(gasState) - - switch (action.type) { - case BASIC_GAS_ESTIMATE_LOADING_STARTED: - return { - ...newState, - basicEstimateIsLoading: true, - } - case BASIC_GAS_ESTIMATE_LOADING_FINISHED: - return { - ...newState, - basicEstimateIsLoading: false, - } - case GAS_ESTIMATE_LOADING_STARTED: - return { - ...newState, - gasEstimatesLoading: true, - } - case GAS_ESTIMATE_LOADING_FINISHED: - return { - ...newState, - gasEstimatesLoading: false, - } - case SET_BASIC_GAS_ESTIMATE_DATA: - return { - ...newState, - basicEstimates: action.value, - } - case SET_CUSTOM_GAS_PRICE: - return { - ...newState, - customData: { - ...newState.customData, - price: action.value, - }, - } - case SET_CUSTOM_GAS_LIMIT: - return { - ...newState, - customData: { - ...newState.customData, - limit: action.value, - }, - } - case SET_CUSTOM_GAS_TOTAL: - return { - ...newState, - customData: { - ...newState.customData, - total: action.value, - }, - } - case SET_PRICE_AND_TIME_ESTIMATES: - return { - ...newState, - priceAndTimeEstimates: action.value, - } - case SET_CUSTOM_GAS_ERRORS: - return { - ...newState, - errors: { - ...newState.errors, - ...action.value, - }, - } - case SET_API_ESTIMATES_LAST_RETRIEVED: - return { - ...newState, - priceAndTimeEstimatesLastRetrieved: action.value, - } - case SET_BASIC_API_ESTIMATES_LAST_RETRIEVED: - return { - ...newState, - basicPriceAndTimeEstimatesLastRetrieved: action.value, - } - case SET_BASIC_PRICE_ESTIMATES_LAST_RETRIEVED: - return { - ...newState, - basicPriceEstimatesLastRetrieved: action.value, - } - case RESET_CUSTOM_DATA: - return { - ...newState, - customData: clone(initState.customData), - } - case RESET_CUSTOM_GAS_STATE: - return clone(initState) - default: - return newState - } -} - -// Action Creators -export function basicGasEstimatesLoadingStarted () { - return { - type: BASIC_GAS_ESTIMATE_LOADING_STARTED, - } -} - -export function basicGasEstimatesLoadingFinished () { - return { - type: BASIC_GAS_ESTIMATE_LOADING_FINISHED, - } -} - -export function gasEstimatesLoadingStarted () { - return { - type: GAS_ESTIMATE_LOADING_STARTED, - } -} - -export function gasEstimatesLoadingFinished () { - return { - type: GAS_ESTIMATE_LOADING_FINISHED, - } -} - -export function fetchBasicGasEstimates () { - return (dispatch, getState) => { - const { - basicPriceEstimatesLastRetrieved, - basicPriceAndTimeEstimates, - } = getState().gas - const timeLastRetrieved = basicPriceEstimatesLastRetrieved || loadLocalStorageData('BASIC_PRICE_ESTIMATES_LAST_RETRIEVED') || 0 - - dispatch(basicGasEstimatesLoadingStarted()) - - const promiseToFetch = Date.now() - timeLastRetrieved > 75000 - ? fetch('https://dev.blockscale.net/api/gasexpress.json', { - 'headers': {}, - 'referrer': 'https://dev.blockscale.net/api/', - 'referrerPolicy': 'no-referrer-when-downgrade', - 'body': null, - 'method': 'GET', - 'mode': 'cors'} - ) - .then(r => r.json()) - .then(({ - safeLow, - standard: average, - fast, - fastest, - block_time: blockTime, - blockNum, - }) => { - const basicEstimates = { - safeLow, - average, - fast, - fastest, - blockTime, - blockNum, - } - - const timeRetrieved = Date.now() - dispatch(setBasicPriceEstimatesLastRetrieved(timeRetrieved)) - saveLocalStorageData(timeRetrieved, 'BASIC_PRICE_ESTIMATES_LAST_RETRIEVED') - saveLocalStorageData(basicEstimates, 'BASIC_PRICE_ESTIMATES') - - return basicEstimates - }) - : Promise.resolve(basicPriceAndTimeEstimates.length - ? basicPriceAndTimeEstimates - : loadLocalStorageData('BASIC_PRICE_ESTIMATES') - ) - - return promiseToFetch.then(basicEstimates => { - dispatch(setBasicGasEstimateData(basicEstimates)) - dispatch(basicGasEstimatesLoadingFinished()) - return basicEstimates - }) - } -} - -export function fetchBasicGasAndTimeEstimates () { - return (dispatch, getState) => { - const { - basicPriceAndTimeEstimatesLastRetrieved, - basicPriceAndTimeEstimates, - } = getState().gas - const timeLastRetrieved = basicPriceAndTimeEstimatesLastRetrieved || loadLocalStorageData('BASIC_GAS_AND_TIME_API_ESTIMATES_LAST_RETRIEVED') || 0 - - dispatch(basicGasEstimatesLoadingStarted()) - - const promiseToFetch = Date.now() - timeLastRetrieved > 75000 - ? fetch('https://ethgasstation.info/json/ethgasAPI.json', { - 'headers': {}, - 'referrer': 'http://ethgasstation.info/json/', - 'referrerPolicy': 'no-referrer-when-downgrade', - 'body': null, - 'method': 'GET', - 'mode': 'cors'} - ) - .then(r => r.json()) - .then(({ - average: averageTimes10, - avgWait, - block_time: blockTime, - blockNum, - fast: fastTimes10, - fastest: fastestTimes10, - fastestWait, - fastWait, - safeLow: safeLowTimes10, - safeLowWait, - speed, - }) => { - const [average, fast, fastest, safeLow] = [ - averageTimes10, - fastTimes10, - fastestTimes10, - safeLowTimes10, - ].map(price => (new BigNumber(price)).div(10).toNumber()) - - const basicEstimates = { - average, - avgWait, - blockTime, - blockNum, - fast, - fastest, - fastestWait, - fastWait, - safeLow, - safeLowWait, - speed, - } - - const timeRetrieved = Date.now() - dispatch(setBasicApiEstimatesLastRetrieved(timeRetrieved)) - saveLocalStorageData(timeRetrieved, 'BASIC_GAS_AND_TIME_API_ESTIMATES_LAST_RETRIEVED') - saveLocalStorageData(basicEstimates, 'BASIC_GAS_AND_TIME_API_ESTIMATES') - - return basicEstimates - }) - : Promise.resolve(basicPriceAndTimeEstimates.length - ? basicPriceAndTimeEstimates - : loadLocalStorageData('BASIC_GAS_AND_TIME_API_ESTIMATES') - ) - - return promiseToFetch.then(basicEstimates => { - dispatch(setBasicGasEstimateData(basicEstimates)) - dispatch(basicGasEstimatesLoadingFinished()) - return basicEstimates - }) - } -} - -function extrapolateY ({ higherY, lowerY, higherX, lowerX, xForExtrapolation }) { - higherY = new BigNumber(higherY, 10) - lowerY = new BigNumber(lowerY, 10) - higherX = new BigNumber(higherX, 10) - lowerX = new BigNumber(lowerX, 10) - xForExtrapolation = new BigNumber(xForExtrapolation, 10) - const slope = (higherY.minus(lowerY)).div(higherX.minus(lowerX)) - const newTimeEstimate = slope.times(higherX.minus(xForExtrapolation)).minus(higherY).negated() - - return Number(newTimeEstimate.toPrecision(10)) -} - -function getRandomArbitrary (min, max) { - min = new BigNumber(min, 10) - max = new BigNumber(max, 10) - const random = new BigNumber(String(Math.random()), 10) - return new BigNumber(random.times(max.minus(min)).plus(min)).toPrecision(10) -} - -function calcMedian (list) { - const medianPos = (Math.floor(list.length / 2) + Math.ceil(list.length / 2)) / 2 - return medianPos === Math.floor(medianPos) - ? (list[medianPos - 1] + list[medianPos]) / 2 - : list[Math.floor(medianPos)] -} - -function quartiles (data) { - const lowerHalf = data.slice(0, Math.floor(data.length / 2)) - const upperHalf = data.slice(Math.floor(data.length / 2) + (data.length % 2 === 0 ? 0 : 1)) - const median = calcMedian(data) - const lowerQuartile = calcMedian(lowerHalf) - const upperQuartile = calcMedian(upperHalf) - return { - median, - lowerQuartile, - upperQuartile, - } -} - -function inliersByIQR (data, prop) { - const { lowerQuartile, upperQuartile } = quartiles(data.map(d => prop ? d[prop] : d)) - const IQR = upperQuartile - lowerQuartile - const lowerBound = lowerQuartile - 1.5 * IQR - const upperBound = upperQuartile + 1.5 * IQR - return data.filter(d => { - const value = prop ? d[prop] : d - return value >= lowerBound && value <= upperBound - }) -} - -export function fetchGasEstimates (blockTime) { - return (dispatch, getState) => { - const { - priceAndTimeEstimatesLastRetrieved, - priceAndTimeEstimates, - } = getState().gas - const timeLastRetrieved = priceAndTimeEstimatesLastRetrieved || loadLocalStorageData('GAS_API_ESTIMATES_LAST_RETRIEVED') || 0 - - dispatch(gasEstimatesLoadingStarted()) - - const promiseToFetch = Date.now() - timeLastRetrieved > 75000 - ? fetch('https://ethgasstation.info/json/predictTable.json', { - 'headers': {}, - 'referrer': 'http://ethgasstation.info/json/', - 'referrerPolicy': 'no-referrer-when-downgrade', - 'body': null, - 'method': 'GET', - 'mode': 'cors'} - ) - .then(r => r.json()) - .then(r => { - const estimatedPricesAndTimes = r.map(({ expectedTime, expectedWait, gasprice }) => ({ expectedTime, expectedWait, gasprice })) - const estimatedTimeWithUniquePrices = uniqBy(({ expectedTime }) => expectedTime, estimatedPricesAndTimes) - - const withSupplementalTimeEstimates = flatten(estimatedTimeWithUniquePrices.map(({ expectedWait, gasprice }, i, arr) => { - const next = arr[i + 1] - if (!next) { - return [{ expectedWait, gasprice }] - } else { - const supplementalPrice = getRandomArbitrary(gasprice, next.gasprice) - const supplementalTime = extrapolateY({ - higherY: next.expectedWait, - lowerY: expectedWait, - higherX: next.gasprice, - lowerX: gasprice, - xForExtrapolation: supplementalPrice, - }) - const supplementalPrice2 = getRandomArbitrary(supplementalPrice, next.gasprice) - const supplementalTime2 = extrapolateY({ - higherY: next.expectedWait, - lowerY: supplementalTime, - higherX: next.gasprice, - lowerX: supplementalPrice, - xForExtrapolation: supplementalPrice2, - }) - return [ - { expectedWait, gasprice }, - { expectedWait: supplementalTime, gasprice: supplementalPrice }, - { expectedWait: supplementalTime2, gasprice: supplementalPrice2 }, - ] - } - })) - const withOutliersRemoved = inliersByIQR(withSupplementalTimeEstimates.slice(0).reverse(), 'expectedWait').reverse() - const timeMappedToSeconds = withOutliersRemoved.map(({ expectedWait, gasprice }) => { - const expectedTime = (new BigNumber(expectedWait)).times(Number(blockTime), 10).toNumber() - return { - expectedTime, - gasprice: (new BigNumber(gasprice, 10).toNumber()), - } - }) - - const timeRetrieved = Date.now() - dispatch(setApiEstimatesLastRetrieved(timeRetrieved)) - saveLocalStorageData(timeRetrieved, 'GAS_API_ESTIMATES_LAST_RETRIEVED') - saveLocalStorageData(timeMappedToSeconds, 'GAS_API_ESTIMATES') - - return timeMappedToSeconds - }) - : Promise.resolve(priceAndTimeEstimates.length - ? priceAndTimeEstimates - : loadLocalStorageData('GAS_API_ESTIMATES') - ) - - return promiseToFetch.then(estimates => { - dispatch(setPricesAndTimeEstimates(estimates)) - dispatch(gasEstimatesLoadingFinished()) - }) - } -} - -export function setCustomGasPriceForRetry (newPrice) { - return (dispatch) => { - if (newPrice !== '0x0') { - dispatch(setCustomGasPrice(newPrice)) - } else { - const { fast } = loadLocalStorageData('BASIC_PRICE_ESTIMATES') - dispatch(setCustomGasPrice(decGWEIToHexWEI(fast))) - } - } -} - -export function setBasicGasEstimateData (basicGasEstimateData) { - return { - type: SET_BASIC_GAS_ESTIMATE_DATA, - value: basicGasEstimateData, - } -} - -export function setPricesAndTimeEstimates (estimatedPricesAndTimes) { - return { - type: SET_PRICE_AND_TIME_ESTIMATES, - value: estimatedPricesAndTimes, - } -} - -export function setCustomGasPrice (newPrice) { - return { - type: SET_CUSTOM_GAS_PRICE, - value: newPrice, - } -} - -export function setCustomGasLimit (newLimit) { - return { - type: SET_CUSTOM_GAS_LIMIT, - value: newLimit, - } -} - -export function setCustomGasTotal (newTotal) { - return { - type: SET_CUSTOM_GAS_TOTAL, - value: newTotal, - } -} - -export function setCustomGasErrors (newErrors) { - return { - type: SET_CUSTOM_GAS_ERRORS, - value: newErrors, - } -} - -export function setApiEstimatesLastRetrieved (retrievalTime) { - return { - type: SET_API_ESTIMATES_LAST_RETRIEVED, - value: retrievalTime, - } -} - -export function setBasicApiEstimatesLastRetrieved (retrievalTime) { - return { - type: SET_BASIC_API_ESTIMATES_LAST_RETRIEVED, - value: retrievalTime, - } -} - -export function setBasicPriceEstimatesLastRetrieved (retrievalTime) { - return { - type: SET_BASIC_PRICE_ESTIMATES_LAST_RETRIEVED, - value: retrievalTime, - } -} - -export function resetCustomGasState () { - return { type: RESET_CUSTOM_GAS_STATE } -} - -export function resetCustomData () { - return { type: RESET_CUSTOM_DATA } -} |