feat(core): implement core MEV bot functionality with market scanning and Uniswap V3 pricing

Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>

cmd/mev-bot/main.go

@@ -8,7 +8,6 @@ import (
 	"syscall"
 	"time"
 
-	"github.com/urfave/cli/v2"
 	"github.com/fraktal/mev-beta/internal/config"
 	"github.com/fraktal/mev-beta/internal/logger"
 	"github.com/fraktal/mev-beta/internal/ratelimit"
@@ -16,6 +15,7 @@ import (
 	"github.com/fraktal/mev-beta/pkg/metrics"
 	"github.com/fraktal/mev-beta/pkg/monitor"
 	"github.com/fraktal/mev-beta/pkg/scanner"
+	"github.com/urfave/cli/v2"
 )
 
 func main() {
@@ -67,7 +67,7 @@ func startBot() error {
 
 	// Initialize metrics collector
 	metricsCollector := metrics.NewMetricsCollector(log)
-	
+
 	// Start metrics server if enabled
 	var metricsServer *metrics.MetricsServer
 	if os.Getenv("METRICS_ENABLED") == "true" {
@@ -143,7 +143,7 @@ func startBot() error {
 	shutdownDone := make(chan struct{})
 	go func() {
 		defer close(shutdownDone)
-		
+
 		// Stop the monitor
 		monitor.Stop()
 
@@ -172,4 +172,4 @@ func scanOpportunities() error {
 	fmt.Println("Scanning for arbitrage opportunities...")
 	// TODO: Implement scanning logic
 	return nil
-}
+}