A Metamask fork with Infura removed and default networks editable
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ciphermask/app/scripts/migrations/037.js

53 lines
1.4 KiB

import { cloneDeep } from 'lodash';
import { normalizeEnsName } from '@metamask/controller-utils';
const version = 37;
/**
* The purpose of this migration is to update the address book state
* to the new schema with chainId as a key.
* and to add the isEns flag to all entries
*/
export default {
version,
async migrate(originalVersionedData) {
const versionedData = cloneDeep(originalVersionedData);
versionedData.meta.version = version;
const state = versionedData.data;
versionedData.data = transformState(state);
return versionedData;
},
};
function transformState(state) {
if (state.AddressBookController) {
const ab = state.AddressBookController.addressBook;
const chainIds = new Set();
const newAddressBook = {};
// add all of the chainIds to a set
Object.values(ab).forEach((v) => {
chainIds.add(v.chainId);
});
// fill the chainId object with the entries with the matching chainId
for (const id of chainIds.values()) {
// make an empty object entry for each chainId
newAddressBook[id] = {};
for (const address in ab) {
if (ab[address].chainId === id) {
ab[address].isEns = false;
if (normalizeEnsName(ab[address].name)) {
ab[address].isEns = true;
}
newAddressBook[id][address] = ab[address];
}
}
}
state.AddressBookController.addressBook = newAddressBook;
}
return state;
}