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metamask-extension/app/scripts/migrations/030.js
Whymarrh Whitby 92971d3c87
Migrate codebase to use ESM (#7730)
* Update eslint-plugin-import version

* Convert JS files to use ESM

* Update ESLint rules to check imports

* Fix test:unit:global command env

* Cleanup mock-dev script
2020-01-09 00:04:58 -03:30

50 lines
1.4 KiB
JavaScript

// next version number
const version = 30
/*
removes invalid chaids from preferences and networkController for custom rpcs
*/
import clone from 'clone'
export default {
version,
migrate: async function (originalVersionedData) {
const versionedData = clone(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
}