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D6552.1768760393.diff
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D6552.1768760393.diff
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diff --git a/lib/utils/ens-cache.js b/lib/utils/ens-cache.js
--- a/lib/utils/ens-cache.js
+++ b/lib/utils/ens-cache.js
@@ -2,8 +2,16 @@
import namehash from 'eth-ens-namehash';
+import sleep from './sleep';
+
const cacheTimeout = 24 * 60 * 60 * 1000; // one day
const failedQueryCacheTimeout = 5 * 60 * 1000; // five minutes
+const queryTimeout = 5 * 1000; // five seconds
+
+async function throwOnTimeout(ethAddressOrName: string) {
+ await sleep(queryTimeout);
+ throw new Error(`ENS fetch for ${ethAddressOrName} timed out`);
+}
export type EthersProvider = {
+lookupAddress: (address: string) => Promise<?string>,
@@ -73,7 +81,10 @@
// ethers.js handles checking forward resolution (point 1 above) for us
let ensName;
try {
- ensName = await this.provider.lookupAddress(normalizedETHAddress);
+ ensName = await Promise.race([
+ this.provider.lookupAddress(normalizedETHAddress),
+ throwOnTimeout(normalizedETHAddress),
+ ]);
} catch (e) {
console.log(e);
return null;
@@ -92,7 +103,7 @@
this.nameQueryCache.set(normalizedETHAddress, {
normalizedETHAddress,
- expirationTime: Date.now() + cacheTimeout,
+ expirationTime: Date.now() + queryTimeout * 2,
normalizedENSName: fetchENSNamePromise,
});
@@ -154,7 +165,10 @@
const fetchETHAddressPromise = (async () => {
let ethAddress;
try {
- ethAddress = await this.provider.resolveName(normalizedENSName);
+ ethAddress = await Promise.race([
+ this.provider.resolveName(normalizedENSName),
+ throwOnTimeout(normalizedENSName),
+ ]);
} catch (e) {
console.log(e);
return null;
@@ -167,7 +181,7 @@
this.addressQueryCache.set(normalizedENSName, {
normalizedENSName,
- expirationTime: Date.now() + cacheTimeout,
+ expirationTime: Date.now() + queryTimeout * 2,
normalizedETHAddress: fetchETHAddressPromise,
});

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