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42 lines
982 B
42 lines
982 B
/*
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This migration breaks out the CurrencyController substate
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*/
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import { cloneDeep, merge } from 'lodash'
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const version = 9
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export default {
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version,
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migrate(originalVersionedData) {
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const versionedData = cloneDeep(originalVersionedData)
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versionedData.meta.version = version
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try {
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const state = versionedData.data
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const newState = transformState(state)
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versionedData.data = newState
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} catch (err) {
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console.warn(`MetaMask Migration #${version}${err.stack}`)
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}
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return Promise.resolve(versionedData)
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},
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}
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function transformState(state) {
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const newState = merge({}, state, {
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CurrencyController: {
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currentCurrency: state.currentFiat || state.fiatCurrency || 'USD',
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conversionRate: state.conversionRate,
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conversionDate: state.conversionDate,
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},
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})
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delete newState.currentFiat
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delete newState.fiatCurrency
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delete newState.conversionRate
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delete newState.conversionDate
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return newState
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}
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