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59 lines
1.4 KiB
59 lines
1.4 KiB
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const version = 23
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/*
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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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export default {
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version,
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migrate: function (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 (txMeta.status === 'failed' ||
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txMeta.status === 'rejected' ||
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txMeta.status === 'confirmed' ||
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txMeta.status === 'dropped')
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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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