critical: Fix ghost detection P&L compounding - delete from Map BEFORE check
Bug: Multiple monitoring loops detect ghost simultaneously - Loop 1: has(tradeId) → true → proceeds - Loop 2: has(tradeId) → true → ALSO proceeds (race condition) - Both send Telegram notifications with compounding P&L Real incident (Dec 2, 2025): - Manual SHORT at $138.84 - 23 duplicate notifications - P&L compounded: -$47.96 → -$1,129.24 (23× accumulation) - Database shows single trade with final compounded value Fix: Map.delete() returns true if key existed, false if already removed - Call delete() FIRST - Check return value proceeds - All other loops get false → skip immediately - Atomic operation prevents race condition Pattern: This is variant of Common Pitfalls #48, #49, #59, #60, #61 - All had "check then delete" pattern - All vulnerable to async timing issues - Solution: "delete then check" pattern - Map.delete() is synchronous and atomic Files changed: - lib/trading/position-manager.ts lines 390-410 Related: DUPLICATE PREVENTED message was working but too late
This commit is contained in:
mindesbunister
@@ -318,6 +318,293 @@ export class BlockedSignalTracker {
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return { tp1Percent, tp2Percent, slPercent }
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}
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/**
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* Query all 1-minute price data for a signal's tracking window
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* Purpose: Get minute-by-minute granular data instead of 8 polling checkpoints
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* Returns: Array of MarketData objects with price, timestamp, ATR, ADX, etc.
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*/
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private async getHistoricalPrices(
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symbol: string,
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startTime: Date,
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endTime: Date
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): Promise<any[]> {
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try {
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const marketData = await this.prisma.marketData.findMany({
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where: {
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symbol,
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timeframe: '1', // 1-minute data
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timestamp: {
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gte: startTime,
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lte: endTime
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}
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},
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orderBy: {
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timestamp: 'asc' // Chronological order
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}
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})
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console.log(`📊 Retrieved ${marketData.length} 1-minute data points for ${symbol}`)
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return marketData
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} catch (error) {
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console.error('❌ Error querying historical prices:', error)
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return []
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}
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}
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/**
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* Analyze minute-by-minute data to find EXACT timing of TP/SL hits
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* Purpose: Replace 8 polling checkpoints with 480 data point analysis
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* Algorithm:
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* 1. Calculate TP1/TP2/SL target prices
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* 2. Loop through all 1-minute data points:
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* - Calculate profit % for each minute
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* - Check if TP1/TP2/SL hit (first time only)
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* - Record exact timestamp when hit
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* - Track max favorable/adverse prices
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* 3. Return updates object with all findings
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*/
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private async analyzeHistoricalData(
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signal: BlockedSignalWithTracking,
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historicalPrices: any[],
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config: any
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): Promise<any> {
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const updates: any = {}
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const entryPrice = Number(signal.entryPrice)
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const direction = signal.direction
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// Calculate TP/SL targets using ATR
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const targets = this.calculateTargets(signal.atr || 0, entryPrice, config)
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// Calculate actual target prices based on direction
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let tp1Price: number, tp2Price: number, slPrice: number
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if (direction === 'long') {
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tp1Price = entryPrice * (1 + targets.tp1Percent / 100)
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tp2Price = entryPrice * (1 + targets.tp2Percent / 100)
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slPrice = entryPrice * (1 - targets.slPercent / 100)
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} else {
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tp1Price = entryPrice * (1 - targets.tp1Percent / 100)
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tp2Price = entryPrice * (1 - targets.tp2Percent / 100)
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slPrice = entryPrice * (1 + targets.slPercent / 100)
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}
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console.log(`🎯 Analyzing ${signal.symbol} ${direction}: Entry $${entryPrice.toFixed(2)}, TP1 $${tp1Price.toFixed(2)}, TP2 $${tp2Price.toFixed(2)}, SL $${slPrice.toFixed(2)}`)
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// Track hits (only record first occurrence)
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let tp1HitTime: Date | null = null
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let tp2HitTime: Date | null = null
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let slHitTime: Date | null = null
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// Track max favorable/adverse
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let maxFavorablePrice = entryPrice
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let maxAdversePrice = entryPrice
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let maxFavorableExcursion = 0
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let maxAdverseExcursion = 0
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// Checkpoint tracking (for comparison with old system)
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const checkpoints = {
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'1min': null as number | null,
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'5min': null as number | null,
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'15min': null as number | null,
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'30min': null as number | null,
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'1hr': null as number | null,
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'2hr': null as number | null,
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'4hr': null as number | null,
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'8hr': null as number | null
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}
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// Process each 1-minute data point
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for (const dataPoint of historicalPrices) {
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const currentPrice = Number(dataPoint.price)
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const timestamp = new Date(dataPoint.timestamp)
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const minutesElapsed = Math.floor((timestamp.getTime() - signal.createdAt.getTime()) / 60000)
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// Calculate profit percentage
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const profitPercent = this.calculateProfitPercent(entryPrice, currentPrice, direction)
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// Track max favorable/adverse
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if (profitPercent > maxFavorableExcursion) {
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maxFavorableExcursion = profitPercent
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maxFavorablePrice = currentPrice
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}
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if (profitPercent < maxAdverseExcursion) {
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maxAdverseExcursion = profitPercent
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maxAdversePrice = currentPrice
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}
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// Check for TP1 hit (first time only)
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if (!tp1HitTime) {
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const tp1Hit = direction === 'long'
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? currentPrice >= tp1Price
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: currentPrice <= tp1Price
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if (tp1Hit) {
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tp1HitTime = timestamp
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console.log(`✅ TP1 hit at ${timestamp.toISOString()} (${minutesElapsed}min) - Price: $${currentPrice.toFixed(2)}`)
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}
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}
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// Check for TP2 hit (first time only)
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if (!tp2HitTime) {
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const tp2Hit = direction === 'long'
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? currentPrice >= tp2Price
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: currentPrice <= tp2Price
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if (tp2Hit) {
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tp2HitTime = timestamp
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console.log(`✅ TP2 hit at ${timestamp.toISOString()} (${minutesElapsed}min) - Price: $${currentPrice.toFixed(2)}`)
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}
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}
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// Check for SL hit (first time only)
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if (!slHitTime) {
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const slHit = direction === 'long'
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? currentPrice <= slPrice
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: currentPrice >= slPrice
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if (slHit) {
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slHitTime = timestamp
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console.log(`❌ SL hit at ${timestamp.toISOString()} (${minutesElapsed}min) - Price: $${currentPrice.toFixed(2)}`)
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}
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}
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// Record checkpoint prices (for comparison)
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if (minutesElapsed >= 1 && !checkpoints['1min']) checkpoints['1min'] = currentPrice
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if (minutesElapsed >= 5 && !checkpoints['5min']) checkpoints['5min'] = currentPrice
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if (minutesElapsed >= 15 && !checkpoints['15min']) checkpoints['15min'] = currentPrice
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if (minutesElapsed >= 30 && !checkpoints['30min']) checkpoints['30min'] = currentPrice
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if (minutesElapsed >= 60 && !checkpoints['1hr']) checkpoints['1hr'] = currentPrice
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if (minutesElapsed >= 120 && !checkpoints['2hr']) checkpoints['2hr'] = currentPrice
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if (minutesElapsed >= 240 && !checkpoints['4hr']) checkpoints['4hr'] = currentPrice
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if (minutesElapsed >= 480 && !checkpoints['8hr']) checkpoints['8hr'] = currentPrice
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}
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// Build updates object with findings
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updates.wouldHitTP1 = tp1HitTime !== null
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updates.wouldHitTP2 = tp2HitTime !== null
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updates.wouldHitSL = slHitTime !== null
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// CRITICAL: Store exact timestamps (minute precision)
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if (tp1HitTime) updates.tp1HitTime = tp1HitTime
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if (tp2HitTime) updates.tp2HitTime = tp2HitTime
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if (slHitTime) updates.slHitTime = slHitTime
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// Store max favorable/adverse
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updates.maxFavorablePrice = maxFavorablePrice
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updates.maxAdversePrice = maxAdversePrice
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updates.maxFavorableExcursion = maxFavorableExcursion
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updates.maxAdverseExcursion = maxAdverseExcursion
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// Store checkpoint prices (for comparison with old system)
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if (checkpoints['1min']) updates.priceAfter1Min = checkpoints['1min']
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if (checkpoints['5min']) updates.priceAfter5Min = checkpoints['5min']
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if (checkpoints['15min']) updates.priceAfter15Min = checkpoints['15min']
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if (checkpoints['30min']) updates.priceAfter30Min = checkpoints['30min']
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if (checkpoints['1hr']) updates.priceAfter1Hr = checkpoints['1hr']
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if (checkpoints['2hr']) updates.priceAfter2Hr = checkpoints['2hr']
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if (checkpoints['4hr']) updates.priceAfter4Hr = checkpoints['4hr']
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if (checkpoints['8hr']) updates.priceAfter8Hr = checkpoints['8hr']
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console.log(`📊 Analysis complete: TP1=${updates.wouldHitTP1}, TP2=${updates.wouldHitTP2}, SL=${updates.wouldHitSL}, MFE=${maxFavorableExcursion.toFixed(2)}%, MAE=${maxAdverseExcursion.toFixed(2)}%`)
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return updates
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}
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/**
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* ONE-TIME BATCH PROCESSING: Process all signals with historical data
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* Purpose: Analyze completed tracking windows using collected MarketData
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* Algorithm:
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* 1. Find signals NOT yet analyzed (analysisComplete = false)
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* 2. Check if enough historical data exists (8 hours or TP/SL hit)
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* 3. Query MarketData for signal's time window
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* 4. Run minute-precision analysis
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* 5. Update database with exact TP/SL timing
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*
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* This replaces the polling approach with batch historical analysis
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*/
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async processCompletedSignals(): Promise<void> {
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try {
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const config = getMergedConfig()
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// Find signals ready for batch processing
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// CRITICAL FIX (Dec 2, 2025): Changed from 30min to 1min
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// Rationale: We collect 1-minute data, so use it! No reason to wait longer.
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const oneMinuteAgo = new Date(Date.now() - 1 * 60 * 1000)
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const signalsToProcess = await this.prisma.blockedSignal.findMany({
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where: {
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analysisComplete: false,
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createdAt: {
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lte: oneMinuteAgo // At least 1 minute old (we have 1-min data!)
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},
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blockReason: {
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in: ['DATA_COLLECTION_ONLY', 'QUALITY_SCORE_TOO_LOW']
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}
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},
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orderBy: {
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createdAt: 'asc'
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}
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})
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if (signalsToProcess.length === 0) {
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console.log('📊 No signals ready for batch processing')
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return
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}
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console.log(`🔄 Processing ${signalsToProcess.length} signals with historical data...`)
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let processed = 0
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let skipped = 0
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for (const signal of signalsToProcess) {
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try {
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// Define 8-hour tracking window
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const startTime = signal.createdAt
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const endTime = new Date(startTime.getTime() + 8 * 60 * 60 * 1000)
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// Query historical 1-minute data
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const historicalPrices = await this.getHistoricalPrices(
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signal.symbol,
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startTime,
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endTime
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)
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if (historicalPrices.length === 0) {
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console.log(`⏭️ Skipping ${signal.symbol} ${signal.direction} - no historical data`)
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skipped++
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continue
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}
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console.log(`📊 Processing ${signal.symbol} ${signal.direction} with ${historicalPrices.length} data points...`)
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// Analyze minute-by-minute
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const updates = await this.analyzeHistoricalData(
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signal as any, // Database model has more fields than interface
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historicalPrices,
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config
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)
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// Mark as complete
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updates.analysisComplete = true
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// Update database with findings
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await this.prisma.blockedSignal.update({
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where: { id: signal.id },
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data: updates
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})
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processed++
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console.log(`✅ ${signal.symbol} ${signal.direction} analyzed successfully`)
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} catch (error) {
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console.error(`❌ Error processing signal ${signal.id}:`, error)
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skipped++
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}
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}
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console.log(`🎉 Batch processing complete: ${processed} analyzed, ${skipped} skipped`)
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} catch (error) {
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console.error('❌ Error in batch processing:', error)
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}
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}
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}
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// Singleton instance
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Reference in New Issue
Block a user