MyCrypto/common/sagas/config/network.ts

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import { select, takeEvery, put } from 'redux-saga/effects';
import { getCustomNodeConfigs, getCustomNetworkConfigs } from 'selectors/config';
import { removeCustomNetwork, TypeKeys } from 'actions/config';
import { SagaIterator } from 'redux-saga';
import { AppState } from 'reducers';
// If there are any orphaned custom networks, prune them
export function* pruneCustomNetworks(): SagaIterator {
const customNodes: AppState['config']['nodes']['customNodes'] = yield select(
getCustomNodeConfigs
);
const customNetworks: AppState['config']['networks']['customNetworks'] = yield select(
getCustomNetworkConfigs
);
//construct lookup table of networks
const linkedNetworks: { [key: string]: boolean } = Object.values(customNodes).reduce(
(networkMap, currentNode) => ({ ...networkMap, [currentNode.network]: true }),
{}
);
for (const currNetwork of Object.keys(customNetworks)) {
if (!linkedNetworks[currNetwork]) {
yield put(removeCustomNetwork({ id: currNetwork }));
}
}
}
export const network = [takeEvery(TypeKeys.CONFIG_REMOVE_CUSTOM_NODE, pruneCustomNetworks)];