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metamask-extension/app/scripts/migrations/030.js
Mark Stacey 398a45bfdd
Replace clone dependency with cloneDeep from lodash ()
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
}