69 lines
2.0 KiB
TypeScript
69 lines
2.0 KiB
TypeScript
import {
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resolveDomainFailed,
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resolveDomainSucceeded,
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ResolveDomainRequested,
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resolveDomainCached
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} from 'actions/ens';
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import { TypeKeys } from 'actions/ens/constants';
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import { SagaIterator, delay, buffers } from 'redux-saga';
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import { INode } from 'libs/nodes/INode';
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import { getNodeLib } from 'selectors/config';
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import { call, put, select, all, actionChannel, take, fork, race } from 'redux-saga/effects';
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import { showNotification } from 'actions/notifications';
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import { resolveDomainRequest } from './modeMap';
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import { getCurrentDomainName, getCurrentDomainData } from 'selectors/ens';
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function* shouldResolveDomain(domain: string) {
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const currentDomainName = yield select(getCurrentDomainName);
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if (currentDomainName === domain) {
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const currentDomainData = yield select(getCurrentDomainData);
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if (currentDomainData) {
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return false;
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}
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}
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return true;
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}
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function* resolveDomain(): SagaIterator {
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const requestChan = yield actionChannel(
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TypeKeys.ENS_RESOLVE_DOMAIN_REQUESTED,
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buffers.sliding(1)
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);
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while (true) {
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const { payload }: ResolveDomainRequested = yield take(requestChan);
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const { domain } = payload;
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try {
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const shouldResolve = yield call(shouldResolveDomain, domain);
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if (!shouldResolve) {
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yield put(resolveDomainCached({ domain }));
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continue;
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}
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const node: INode = yield select(getNodeLib);
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const result = yield race({
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domainData: call(resolveDomainRequest, domain, node),
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err: call(delay, 4000)
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});
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const { domainData } = result;
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if (!domainData) {
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throw Error();
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}
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const domainSuccessAction = resolveDomainSucceeded(domain, domainData);
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yield put(domainSuccessAction);
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yield;
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} catch (e) {
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const domainFailAction = resolveDomainFailed(domain, e);
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yield put(domainFailAction);
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yield put(showNotification('danger', e.message || 'Could not resolve ENS address', 5000));
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}
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}
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}
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export function* ens(): SagaIterator {
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yield all([fork(resolveDomain)]);
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}
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