You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.5 KiB
55 lines
1.5 KiB
/*
|
|
|
|
This migration updates "transaction state history" to diffs style
|
|
|
|
*/
|
|
|
|
import { cloneDeep } from 'lodash'
|
|
import {
|
|
snapshotFromTxMeta,
|
|
migrateFromSnapshotsToDiffs,
|
|
} from '../controllers/transactions/lib/tx-state-history-helpers'
|
|
|
|
const version = 18
|
|
|
|
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
|
|
newState.TransactionController.transactions = transactions.map((txMeta) => {
|
|
// no history: initialize
|
|
if (!txMeta.history || txMeta.history.length === 0) {
|
|
const snapshot = snapshotFromTxMeta(txMeta)
|
|
txMeta.history = [snapshot]
|
|
return txMeta
|
|
}
|
|
// has history: migrate
|
|
const newHistory = migrateFromSnapshotsToDiffs(txMeta.history)
|
|
// remove empty diffs
|
|
.filter((entry) => {
|
|
return !Array.isArray(entry) || entry.length > 0
|
|
})
|
|
txMeta.history = newHistory
|
|
return txMeta
|
|
})
|
|
}
|
|
return newState
|
|
}
|
|
|