115 lines
2.5 KiB
Go
115 lines
2.5 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"os/signal"
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"syscall"
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"github.com/urfave/cli/v2"
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"github.com/your-username/mev-beta/internal/config"
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"github.com/your-username/mev-beta/internal/logger"
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"github.com/your-username/mev-beta/internal/ratelimit"
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"github.com/your-username/mev-beta/pkg/market"
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"github.com/your-username/mev-beta/pkg/monitor"
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"github.com/your-username/mev-beta/pkg/scanner"
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)
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func main() {
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app := &cli.App{
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Name: "mev-bot",
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Usage: "An MEV bot that monitors Arbitrum sequencer for swap opportunities",
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Commands: []*cli.Command{
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{
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Name: "start",
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Usage: "Start the MEV bot",
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Action: func(c *cli.Context) error {
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return startBot()
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},
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},
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{
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Name: "scan",
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Usage: "Scan for potential arbitrage opportunities",
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Action: func(c *cli.Context) error {
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fmt.Println("Scanning for arbitrage opportunities...")
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// TODO: Implement scanning logic
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return nil
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},
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},
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},
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}
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if err := app.Run(os.Args); err != nil {
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fmt.Fprintf(os.Stderr, "Error: %v\n", err)
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os.Exit(1)
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}
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}
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func startBot() error {
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// Load configuration
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cfg, err := config.Load("config/config.yaml")
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if err != nil {
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return fmt.Errorf("failed to load config: %w", err)
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}
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// Initialize logger
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log := logger.New(cfg.Log.Level, cfg.Log.Format, cfg.Log.File)
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log.Info("Starting MEV bot...")
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// Create rate limiter manager
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rateLimiter := ratelimit.NewLimiterManager(&cfg.Arbitrum)
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// Create market manager
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marketMgr := market.NewMarketManager(&cfg.Uniswap, log)
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// Create market scanner
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scanner := scanner.NewMarketScanner(&cfg.Bot, log)
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// Create Arbitrum monitor with concurrency support
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monitor, err := monitor.NewArbitrumMonitor(
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&cfg.Arbitrum,
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&cfg.Bot,
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log,
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rateLimiter,
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marketMgr,
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scanner,
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)
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if err != nil {
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return fmt.Errorf("failed to create Arbitrum monitor: %w", err)
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}
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// Set up context with cancellation
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Set up signal handling for graceful shutdown
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sigChan := make(chan os.Signal, 1)
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signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
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// Start monitoring in a goroutine
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go func() {
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if err := monitor.Start(ctx); err != nil {
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log.Error("Monitor error: ", err)
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}
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}()
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log.Info("MEV bot started. Press Ctrl+C to stop.")
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// Wait for signal
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<-sigChan
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log.Info("Received shutdown signal...")
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// Cancel context to stop monitor
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cancel()
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// Stop the monitor
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monitor.Stop()
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// Stop the scanner
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scanner.Stop()
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log.Info("MEV bot stopped.")
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return nil
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} |