mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 01:39:44 +01:00
66 lines
2.0 KiB
JavaScript
66 lines
2.0 KiB
JavaScript
import { cloneDeep } from 'lodash';
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import BigNumber from 'bignumber.js';
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import { TEST_CHAINS } from '../../../shared/constants/network';
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const hexNumberIsGreaterThanZero = (hexNumber) =>
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new BigNumber(hexNumber || '0x0', 16).gt(0);
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const version = 67;
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/**
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* Sets the showTestNetworks property to true if it was false or undefined, and there is evidence
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* that the user has used a test net
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*/
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export default {
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version,
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async migrate(originalVersionedData) {
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const versionedData = cloneDeep(originalVersionedData);
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versionedData.meta.version = version;
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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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return versionedData;
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},
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};
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function transformState(state) {
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const PreferencesController = state?.PreferencesController || {};
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const preferences = PreferencesController.preferences || {};
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if (preferences.showTestNetworks) {
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return state;
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}
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const transactions = state?.TransactionController?.transactions || {};
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const provider = state.NetworkController?.provider || {};
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const cachedBalances = state.CachedBalancesController?.cachedBalances || {};
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const userIsCurrentlyOnATestNet = TEST_CHAINS.includes(provider?.chainId);
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const userHasMadeATestNetTransaction = Object.values(transactions).some(
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({ chainId }) => TEST_CHAINS.includes(chainId),
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);
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const userHasACachedBalanceOnATestnet = TEST_CHAINS.some((chainId) => {
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const cachedBalancesForChain = Object.values(cachedBalances[chainId] || {});
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const userHasABalanceGreaterThanZeroOnThisChain =
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cachedBalancesForChain.some(hexNumberIsGreaterThanZero);
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return userHasABalanceGreaterThanZeroOnThisChain;
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});
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const userHasUsedATestnet =
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userIsCurrentlyOnATestNet ||
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userHasMadeATestNetTransaction ||
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userHasACachedBalanceOnATestnet;
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const newState = {
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...state,
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PreferencesController: {
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...PreferencesController,
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preferences: {
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...preferences,
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showTestNetworks: userHasUsedATestnet,
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},
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},
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};
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return newState;
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}
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