1
0
mirror of https://github.com/kremalicious/metamask-extension.git synced 2024-12-23 01:39:44 +01:00
metamask-extension/app/scripts/migrations/023.js

62 lines
1.6 KiB
JavaScript

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