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fix(hyperliquid): honor marketId/eventId filters and OHLCV/trades limit #1254

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Merged
realfishsam merged 1 commit into from
Jun 21, 2026
Merged

fix(hyperliquid): honor marketId/eventId filters and OHLCV/trades limit #1254

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32 changes: 29 additions & 3 deletions core/src/exchanges/hyperliquid/fetcher.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -226,6 +226,22 @@ export class HyperliquidFetcher implements IExchangeFetcher<HyperliquidRawOutcom
);
}

// Direct lookup by marketId (canonical or outcome-token form)
if ((params as any)?.marketId) {
try {
const targetOutcomeId = fromMarketId(String((params as any).marketId));
results = results.filter(r => r.outcome.outcome === targetOutcomeId);
} catch {
results = [];
}
}

// Filter by parent eventId (HL question number)
if ((params as any)?.eventId !== undefined && (params as any).eventId !== null) {
const targetEventId = String((params as any).eventId);
results = results.filter(r => r.question && String(r.question.question) === targetEventId);
}

// Limit
const limit = params?.limit || 250000;
const offset = params?.offset || 0;
Expand All @@ -239,6 +255,12 @@ export class HyperliquidFetcher implements IExchangeFetcher<HyperliquidRawOutcom

let results = [...meta.questions];

// Direct lookup by eventId (HL question number)
if (params?.eventId !== undefined && params.eventId !== null) {
const targetEventId = String(params.eventId);
results = results.filter(q => String(q.question) === targetEventId);
}

// Filter by query
if (params?.query) {
const lowerQuery = params.query.toLowerCase();
Expand Down Expand Up @@ -278,18 +300,22 @@ export class HyperliquidFetcher implements IExchangeFetcher<HyperliquidRawOutcom
const startTime = params.start ? params.start.getTime() : now - 24 * 60 * 60 * 1000;
const endTime = params.end ? params.end.getTime() : now;

return this.postInfo<HyperliquidRawCandle[]>({
const raw = await this.postInfo<HyperliquidRawCandle[]>({
type: 'candleSnapshot',
req: { coin, interval: params.resolution || '1h', startTime, endTime },
});
// ponytail: HL returns the full window; honor caller's limit by trimming to the most recent N
return params.limit && raw.length > params.limit ? raw.slice(-params.limit) : raw;
}

// -- Trades ----------------------------------------------------------------

async fetchRawTrades(marketId: string, _params: TradesParams): Promise<HyperliquidRawTrade[]> {
async fetchRawTrades(marketId: string, params: TradesParams): Promise<HyperliquidRawTrade[]> {
const outcomeId = fromMarketId(marketId);
const coin = toCoinNotation(outcomeId, 'yes');
return this.postInfo<HyperliquidRawTrade[]>({ type: 'recentTrades', coin });
const raw = await this.postInfo<HyperliquidRawTrade[]>({ type: 'recentTrades', coin });
// ponytail: HL recentTrades returns a fixed page; honor caller's limit (most recent N)
return params?.limit && raw.length > params.limit ? raw.slice(0, params.limit) : raw;
}

// -- User data -------------------------------------------------------------
Expand Down
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