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Fix: empty markets fallback + rotation fix

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multipleof4
2026-03-15 14:40:21 -07:00
parent 677050a224
commit 6921fb1cdd
1 changed files with 24 additions and 10 deletions
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34
lib/market/tracker.js
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@@ -2,6 +2,8 @@ import { getActiveBTCEvent, getEventMarkets, getOrderbook, getMarket } from '../
import { KalshiWS } from '../kalshi/websocket.js';
import { EventEmitter } from 'events';
const OPEN_MARKET_STATUSES = new Set(['open', 'active', 'initialized', 'trading']);
/**
* Tracks the currently active BTC 15-min market.
* Auto-rotates when the current market expires.
@@ -80,28 +82,41 @@ export class MarketTracker extends EventEmitter {
async _findAndSubscribe() {
try {
const event = await getActiveBTCEvent();
if (!event) {
if (!this.currentTicker) this.emit('update', null);
console.log('[Tracker] No active BTC 15m event found. Retrying in 30s...');
return;
}
const markets = event.markets || await getEventMarkets(event.event_ticker);
// Find the up/down market (usually only one market per event)
const market = markets.find(m => m.status === 'active' || m.status === 'open') || markets[0];
const inlineMarkets = Array.isArray(event.markets) ? event.markets : [];
const markets = inlineMarkets.length ? inlineMarkets : await getEventMarkets(event.event_ticker);
const market = markets.find((m) => OPEN_MARKET_STATUSES.has(String(m?.status || '').toLowerCase())) || markets[0];
if (!market) {
console.log('[Tracker] No active market in event. Retrying...');
if (!this.currentTicker) {
this.currentEvent = event.event_ticker || null;
this.marketData = null;
this.orderbook = { yes: [], no: [] };
this.emit('update', null);
}
console.log(`[Tracker] Event ${event.event_ticker} has no active market yet. Retrying...`);
return;
}
const newTicker = market.ticker;
if (newTicker === this.currentTicker) {
this.currentEvent = event.event_ticker;
return;
}
if (newTicker === this.currentTicker) return;
const oldTicker = this.currentTicker;
// Unsubscribe from old
if (this.currentTicker) {
console.log(`[Tracker] Rotating from ${this.currentTicker} → ${newTicker}`);
this.ws.unsubscribeTicker(this.currentTicker);
if (oldTicker) {
console.log(`[Tracker] Rotating from ${oldTicker} → ${newTicker}`);
this.ws.unsubscribeTicker(oldTicker);
}
this.currentTicker = newTicker;
@@ -122,8 +137,7 @@ export class MarketTracker extends EventEmitter {
console.log(`[Tracker] Now tracking: ${newTicker} (${market.title || market.subtitle})`);
this.emit('update', this.getState());
this.emit('market-rotated', { from: this.currentTicker, to: newTicker });
this.emit('market-rotated', { from: oldTicker, to: newTicker });
} catch (err) {
console.error('[Tracker] Discovery error:', err.message);
}