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metamask-extension/app/scripts/migrations/011.js

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/*
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This migration removes the discaimer state from our app, which was integrated into our notices.
*/
import { cloneDeep } from 'lodash';
const version = 11;
export default {
version,
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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);
},
};
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function transformState(state) {
const newState = state;
delete newState.TOSHash;
delete newState.isDisclaimerConfirmed;
return newState;
}