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metamask-extension/app/scripts/migrations/047.js

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const version = 47
import { cloneDeep } from 'lodash'
/**
* Stringify numbers:
* - PreferencesController.frequentRpcListDetail item chainId
* - TransactionsController.transactions item metamaskNetworkId
*/
export default {
version,
migrate: async function (originalVersionedData) {
const versionedData = cloneDeep(originalVersionedData)
versionedData.meta.version = version
const state = versionedData.data
versionedData.data = transformState(state)
return versionedData
},
}
function transformState (state) {
const transactions = state?.TransactionsController?.transactions
if (Array.isArray(transactions)) {
transactions.forEach((transaction) => {
if (typeof transaction.metamaskNetworkId === 'number') {
transaction.metamaskNetworkId = transaction.metamaskNetworkId.toString()
}
})
}
return state
}