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metamask-extension/app/scripts/migrations/084.ts

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import { cloneDeep } from 'lodash';
import { hasProperty, isObject } from '@metamask/utils';
export const version = 84;
/**
* The `network` property in state was replaced with `networkId` and `networkStatus`.
*
* @param originalVersionedData - Versioned MetaMask extension state, exactly what we persist to dist.
* @param originalVersionedData.meta - State metadata.
* @param originalVersionedData.meta.version - The current state version.
* @param originalVersionedData.data - The persisted MetaMask state, keyed by controller.
* @returns Updated versioned MetaMask extension state.
*/
export async function migrate(originalVersionedData: {
meta: { version: number };
data: Record<string, unknown>;
}) {
const versionedData = cloneDeep(originalVersionedData);
versionedData.meta.version = version;
versionedData.data = transformState(versionedData.data);
return versionedData;
}
function transformState(state: Record<string, unknown>) {
if (
!hasProperty(state, 'NetworkController') ||
!isObject(state.NetworkController) ||
!hasProperty(state.NetworkController, 'network')
) {
return state;
}
const NetworkController = { ...state.NetworkController };
if (NetworkController.network === 'loading') {
NetworkController.networkId = null;
NetworkController.networkStatus = 'unknown';
} else {
NetworkController.networkId = NetworkController.network;
NetworkController.networkStatus = 'available';
}
delete NetworkController.network;
return { ...state, NetworkController };
}