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42 lines
998 B
42 lines
998 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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