Skip to content

Retry transient Ponder GraphQL network errors #64

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
Danswar merged 1 commit into from
Jul 24, 2026
Merged

Retry transient Ponder GraphQL network errors #64

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
11 changes: 10 additions & 1 deletion api.apollo.config.ts
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import { ApolloClient, ApolloLink, createHttpLink, InMemoryCache } from '@apollo/client/core';
import { onError } from '@apollo/client/link/error';
import { RetryLink } from '@apollo/client/link/retry';
import { Logger } from '@nestjs/common';
import fetch from 'cross-fetch';
import { CONFIG } from './api.config';
Expand Down Expand Up @@ -57,6 +58,14 @@ const errorLink = onError(({ graphQLErrors, networkError, operation, forward })
}
});

// Retries transport-level failures (e.g. a stale keep-alive socket closing
// mid-response) before they reach errorLink, so a one-off blip self-heals
// instead of tripping the fallback/error path.
const retryLink = new RetryLink({
delay: { initial: 200, max: 2000, jitter: true },
attempts: { max: 3, retryIf: (error) => !!error },
});

const httpLink = createHttpLink({
uri: (operation) => operation.getContext().targetUrl ?? getIndexerUrl(),
fetch: (uri: RequestInfo | URL, options?: RequestInit) => {
Expand All @@ -74,7 +83,7 @@ const httpLink = createHttpLink({
},
});

const link = ApolloLink.from([errorLink, routingLink, httpLink]);
const link = ApolloLink.from([errorLink, routingLink, retryLink, httpLink]);

export const PONDER_CLIENT = new ApolloClient({
link,
Expand Down
Loading