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feat: Exponential Backoff on sync #101

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merged 1 commit into from
Jun 20, 2024
Merged

feat: Exponential Backoff on sync #101

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9 changes: 8 additions & 1 deletion utils/xmtpRN/sync.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -63,6 +63,10 @@ export const getXmtpClient = async (
throw new Error(`[XmtpRN] No client found for ${account}`);
};

const INITIAL_BACKOFF = 1000; // Initial backoff interval in ms
const MAX_BACKOFF = 60000; // Maximum backoff interval in ms
let currentBackoff = INITIAL_BACKOFF;

const onSyncLost = async (account: string, error: any) => {
console.log(
`[XmtpRN] An error occured while syncing for ${account}: ${error}`
Expand All @@ -71,7 +75,9 @@ const onSyncLost = async (account: string, error: any) => {
// If there is an error let's show it
getChatStore(account).getState().setReconnecting(true);
// Wait a bit before reco
await new Promise((r) => setTimeout(r, 1000));
console.log(`[XmtpRN] Reconnecting in ${currentBackoff}ms`);
await new Promise((r) => setTimeout(r, currentBackoff));
currentBackoff = Math.min(currentBackoff * 2, MAX_BACKOFF);
// Now let's reload !
syncXmtpClient(account);
};
Expand Down Expand Up @@ -161,6 +167,7 @@ export const syncXmtpClient = async (account: string) => {
...groupTopicsToQuery,
]);
}
currentBackoff = INITIAL_BACKOFF;
console.log(`[XmtpRN] Finished syncing ${account}`);
} catch (e) {
console.log("main sync error");
Expand Down
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