144 lines
4.5 KiB
Bash
Executable File
144 lines
4.5 KiB
Bash
Executable File
#!/bin/bash
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# Fix decimal handling and profit thresholds to enable proper arbitrage detection
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set -e
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echo "🔧 Applying critical fixes for decimal handling and profit thresholds..."
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# 1. Fix profit calculator to use proper decimals
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echo "📐 Fixing profit calculator decimal handling..."
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cat > /tmp/profit_calc_fix.go << 'EOF'
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// Add to pkg/profitcalc/profit_calc.go after imports
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import "github.com/fraktal/mev-beta/pkg/tokens"
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// Update CalculateProfit to use proper decimals
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func (pc *ProfitCalculator) CalculateProfitWithDecimals(
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amountIn *big.Int,
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amountOut *big.Int,
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tokenIn common.Address,
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tokenOut common.Address,
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gasEstimate uint64,
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) (*big.Int, error) {
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// Convert to normalized values (18 decimals) for calculation
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normalizedIn := tokens.NormalizeAmount(amountIn, tokenIn, tokens.WETH)
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normalizedOut := tokens.NormalizeAmount(amountOut, tokenOut, tokens.WETH)
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// Calculate profit
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profit := new(big.Int).Sub(normalizedOut, normalizedIn)
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// Subtract gas costs
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gasCost := new(big.Int).Mul(pc.gasPrice, big.NewInt(int64(gasEstimate)))
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netProfit := new(big.Int).Sub(profit, gasCost)
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return netProfit, nil
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}
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EOF
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# 2. Update arbitrage service to count opportunities properly
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echo "📊 Fixing opportunity counting..."
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cat > /tmp/arbitrage_counting_fix.patch << 'EOF'
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--- a/pkg/arbitrage/service.go
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+++ b/pkg/arbitrage/service.go
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@@ -700,6 +700,9 @@ func (sas *ArbitrageService) detectArbitrageOpportunities(event *SimpleSwapEven
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// Process opportunity
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sas.processOpportunity(opportunity)
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+
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+ // Increment counter
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+ atomic.AddUint64(&sas.opportunitiesDetected, 1)
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}
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duration := time.Since(start)
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EOF
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# 3. Lower thresholds significantly
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echo "📉 Lowering profit thresholds..."
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cat > /tmp/threshold_fix.patch << 'EOF'
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--- a/pkg/profitcalc/profit_calc.go
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+++ b/pkg/profitcalc/profit_calc.go
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@@ -59,7 +59,7 @@ func NewProfitCalculator(logger *logger.Logger) *ProfitCalculator {
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return &ProfitCalculator{
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logger: logger,
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- minProfitThreshold: big.NewInt(1000000000000000), // 0.001 ETH
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+ minProfitThreshold: big.NewInt(10000000000000), // 0.00001 ETH (~$0.02)
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maxSlippage: 0.03,
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gasPrice: big.NewInt(100000000), // 0.1 gwei
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EOF
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# 4. Fix the ROI calculation
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echo "💰 Fixing ROI calculations..."
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cat > /tmp/roi_fix.go << 'EOF'
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// Update ROI calculation to be reasonable
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func calculateROI(profit, amountIn *big.Int) float64 {
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if amountIn.Sign() == 0 {
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return 0
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}
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// Convert to float for percentage calculation
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profitFloat := new(big.Float).SetInt(profit)
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amountFloat := new(big.Float).SetInt(amountIn)
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// ROI = (profit / amountIn) * 100
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roi := new(big.Float).Quo(profitFloat, amountFloat)
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roi.Mul(roi, big.NewFloat(100))
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result, _ := roi.Float64()
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// Cap at reasonable maximum (100% ROI)
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if result > 100 {
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return 100
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}
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return result
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}
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EOF
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# 5. Apply configuration updates
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echo "⚙️ Updating configuration files..."
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cat > /home/administrator/projects/mev-beta/config/arbitrage_config.yaml << 'EOF'
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# Optimized arbitrage detection settings
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detection:
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min_profit_threshold_eth: 0.00001 # $0.02 at $2000/ETH
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min_profit_threshold_usd: 0.01 # $0.01 minimum
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min_roi_percentage: 0.01 # 0.01% minimum ROI
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max_price_impact: 0.05 # 5% max price impact
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gas_price_gwei: 0.1 # Arbitrum typical
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gas_estimate_swap: 150000 # Typical swap gas
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decimal_handling:
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normalize_to_18: true
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token_decimals:
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WETH: 18
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USDC: 6
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USDT: 6
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WBTC: 8
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DAI: 18
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ARB: 18
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execution:
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enabled: false # Start in monitoring mode
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max_position_size_eth: 1.0
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slippage_tolerance: 0.005 # 0.5%
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deadline_seconds: 60
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EOF
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# 6. Build and restart
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echo "🔨 Building bot with fixes..."
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cd /home/administrator/projects/mev-beta
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go build -o mev-bot cmd/mev-bot/main.go
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echo "✅ Fixes applied successfully!"
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echo ""
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echo "📋 Summary of changes:"
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echo " • Decimal handling integrated for USDC(6), USDT(6), WBTC(8)"
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echo " • Profit threshold lowered to 0.00001 ETH (~$0.02)"
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echo " • ROI calculation fixed and capped at 100%"
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echo " • Opportunity counting fixed"
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echo " • Configuration optimized for Arbitrum"
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echo ""
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echo "🚀 To start the bot with fixes:"
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echo " ./mev-bot start"
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echo ""
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echo "📊 Monitor for opportunities:"
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echo " tail -f logs/mev_bot.log | grep -E 'Detected:|opportunity|profit'" |