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42 lines
906 B
42 lines
906 B
7 years ago
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const version = 20
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/*
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This migration ensures previous installations
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get a `firstTimeInfo` key on the metamask state,
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so that we can version notices in the future.
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*/
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const clone = require('clone')
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module.exports = {
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version,
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migrate: function (originalVersionedData) {
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const versionedData = clone(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 = state
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if ('metamask' in newState &&
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!('firstTimeInfo' in newState.metamask)) {
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newState.metamask.firstTimeInfo = {
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version: '3.12.0',
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date: Date.now(),
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}
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}
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return newState
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}
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