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metamask-extension/app/scripts/migrations/030.js
Mark Stacey 398a45bfdd
Replace clone dependency with cloneDeep from lodash (#7926)
This was done to reduce the number of direct dependencies we have. It
should be functionally equivalent. The bundle size should not change,
as we use `clone` as a transitive dependency in a number of places.
2020-01-29 13:14:33 -04:00

50 lines
1.4 KiB
JavaScript

// next version number
const version = 30
/*
removes invalid chaids from preferences and networkController for custom rpcs
*/
import { cloneDeep } from 'lodash'
export default {
version,
migrate: async function (originalVersionedData) {
const versionedData = cloneDeep(originalVersionedData)
versionedData.meta.version = version
const state = versionedData.data
const newState = transformState(state)
versionedData.data = newState
return versionedData
},
}
function transformState (state) {
const newState = state
if (state.PreferencesController) {
const frequentRpcListDetail = newState.PreferencesController.frequentRpcListDetail
if (frequentRpcListDetail) {
frequentRpcListDetail.forEach((rpc, index) => {
if (!!rpc.chainId && Number.isNaN(parseInt(rpc.chainId))) {
delete frequentRpcListDetail[index].chainId
}
})
newState.PreferencesController.frequentRpcListDetail = frequentRpcListDetail
}
}
if (state.NetworkController) {
if (newState.NetworkController.network && Number.isNaN(parseInt(newState.NetworkController.network))) {
delete newState.NetworkController.network
}
if (newState.NetworkController.provider && newState.NetworkController.provider.chainId && Number.isNaN(parseInt(newState.NetworkController.provider.chainId))) {
delete newState.NetworkController.provider.chainId
}
}
return newState
}