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fix: sync hyperliquid spec with upstream API changes #599

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Merged
realfishsam merged 1 commit into from
May 24, 2026
+5 −2
Merged

fix: sync hyperliquid spec with upstream API changes #599

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4 changes: 3 additions & 1 deletion core/src/exchanges/hyperliquid/fetcher.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -66,6 +66,7 @@ export interface HyperliquidRawTrade {
hash: string; // transaction hash
time: number; // timestamp (ms)
tid: number; // trade id
users: string[]; // [takerAddress, makerAddress]
}

export interface HyperliquidRawMid {
Expand All @@ -87,6 +88,7 @@ export interface HyperliquidRawFill {
fee: string;
tid: number;
feeToken: string;
builderFee?: string; // present when order was placed through a builder
}

export interface HyperliquidRawOpenOrder {
Expand All @@ -96,7 +98,7 @@ export interface HyperliquidRawOpenOrder {
side: string;
sz: string;
timestamp: number;
origSz: string;
origSz?: string; // only returned by frontendOpenOrders, not openOrders
cloid?: string;
}

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3 changes: 2 additions & 1 deletion core/src/exchanges/hyperliquid/normalizer.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -346,8 +346,9 @@ export class HyperliquidNormalizer implements IExchangeNormalizer<HyperliquidRaw
}

normalizeOpenOrder(raw: HyperliquidRawOpenOrder): Order {
const origSz = parseFloat(raw.origSz);
const currentSz = parseFloat(raw.sz);
// origSz is only available from frontendOpenOrders; fall back to sz
const origSz = raw.origSz !== undefined ? parseFloat(raw.origSz) : currentSz;

return {
id: String(raw.oid),
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