const version = 8 /* This migration breaks out the NoticeController substate */ import clone from 'clone' export default { version, migrate: function (originalVersionedData) { const versionedData = clone(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, NoticeController: { noticesList: state.noticesList || [], }, } delete newState.noticesList return newState }