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