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61 lines
1.6 KiB
61 lines
1.6 KiB
/*
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This migration removes transactions that are no longer usefull down to 40 total
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*/
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import { cloneDeep } from 'lodash';
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import { TRANSACTION_STATUSES } from '../../../shared/constants/transaction';
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const version = 23;
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export default {
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version,
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migrate(originalVersionedData) {
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const versionedData = cloneDeep(originalVersionedData);
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versionedData.meta.version = version;
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try {
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const state = versionedData.data;
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const newState = transformState(state);
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versionedData.data = newState;
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} catch (err) {
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console.warn(`MetaMask Migration #${version}${err.stack}`);
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}
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return Promise.resolve(versionedData);
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},
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};
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function transformState(state) {
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const newState = state;
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const { TransactionController } = newState;
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if (TransactionController && TransactionController.transactions) {
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const { transactions } = newState.TransactionController;
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if (transactions.length <= 40) {
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return newState;
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}
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const reverseTxList = transactions.reverse();
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let stripping = true;
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while (reverseTxList.length > 40 && stripping) {
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const txIndex = reverseTxList.findIndex((txMeta) => {
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return (
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txMeta.status === TRANSACTION_STATUSES.FAILED ||
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txMeta.status === TRANSACTION_STATUSES.REJECTED ||
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txMeta.status === TRANSACTION_STATUSES.CONFIRMED ||
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txMeta.status === TRANSACTION_STATUSES.DROPPED
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);
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});
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if (txIndex < 0) {
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stripping = false;
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} else {
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reverseTxList.splice(txIndex, 1);
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}
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}
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newState.TransactionController.transactions = reverseTxList.reverse();
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}
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return newState;
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}
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