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metamask-extension/app/scripts/migrations/010.js
2017-03-14 17:05:47 -07:00

39 lines
822 B
JavaScript

const version = 10
/*
This migration breaks out the ShapeShiftController substate
*/
const merge = require('deep-extend')
const clone = require('clone')
module.exports = {
version,
migrate: function (originalVersionedData) {
let versionedData = clone(originalVersionedData)
versionedData.meta.version = version
try {
const state = versionedData.data
const newState = transformState(state)
versionedData.data = newState
} catch (err) {
console.warn(`MetaMask Migration #${version}` + err.stack)
}
return Promise.resolve(versionedData)
},
}
function transformState (state) {
const newState = merge({}, state, {
ShapeShiftController: {
shapeShiftTxList: state.shapeShiftTxList || [],
},
})
delete newState.shapeShiftTxList
return newState
}