Add additional project structure, config, Docker support, and more prompt files

.gitignore

@@ -32,3 +32,6 @@ Thumbs.db
 
 # Database files
 *.db
+
+# Data directory
+data/

@prompts/database.md

@@ -0,0 +1,24 @@
+You are an expert in Go database integration and data persistence. I'm building an MEV bot in Go that needs to store and query historical data for analysis and strategy optimization.
+
+I need help with:
+
+1. Setting up a database for storing transaction data
+2. Designing efficient database schemas for MEV data
+3. Implementing efficient data access patterns
+4. Handling database migrations
+5. Optimizing queries for performance
+6. Implementing data retention policies
+
+Please provide production-ready Go code that:
+- Uses an embedded database like SQLite or BadgerDB
+- Implements efficient data access patterns
+- Handles database connections properly
+- Follows Go best practices
+- Includes comprehensive comments
+
+The code should:
+- Store transaction and swap data efficiently
+- Support fast querying of historical data
+- Implement proper indexing for performance
+- Handle concurrent access safely
+- Include backup and recovery mechanisms

@prompts/performance-optimization.md

@@ -0,0 +1,26 @@
+You are an expert in Go performance optimization and high-frequency trading systems. I'm building an MEV bot in Go that needs to process thousands of transactions per second with minimal latency.
+
+I need help with:
+
+1. Optimizing data structures for high-frequency access
+2. Minimizing memory allocations and garbage collection
+3. Implementing efficient caching strategies
+4. Optimizing network I/O for RPC calls
+5. Parallel processing of transactions
+6. Profiling and benchmarking techniques
+
+Please provide production-ready Go code that:
+- Implements lock-free or low-lock data structures where appropriate
+- Minimizes memory allocations through object pooling
+- Uses efficient algorithms for data processing
+- Implements caching for frequently accessed data
+- Handles concurrency properly
+- Follows Go best practices
+- Includes comprehensive comments
+
+The code should:
+- Process transactions with minimal latency
+- Scale efficiently across multiple CPU cores
+- Handle backpressure gracefully
+- Provide metrics for performance monitoring
+- Include benchmarks for critical functions

@prompts/security.md

@@ -0,0 +1,24 @@
+You are an expert in blockchain security and MEV bot development. I'm building an MEV bot in Go that needs to be secure against various attack vectors.
+
+I need help with:
+
+1. Protecting private keys and signing credentials
+2. Preventing frontrunning by other bots
+3. Securing RPC endpoint connections
+4. Handling MEV submission securely
+5. Preventing sandwich attacks
+6. Implementing secure configuration management
+
+Please provide production-ready Go code that:
+- Implements secure key management practices
+- Protects against common MEV bot vulnerabilities
+- Handles sensitive data securely
+- Follows security best practices
+- Includes comprehensive comments
+
+The code should:
+- Store private keys securely using hardware wallets or secure enclaves
+- Use encrypted connections for RPC endpoints
+- Implement proper access controls
+- Handle errors without exposing sensitive information
+- Include security checks and validations

@prompts/smart-contract-interaction.md

@@ -0,0 +1,25 @@
+You are an expert in Ethereum smart contract interaction and Web3 development. I'm building an MEV bot in Go that needs to interact with Uniswap V3 smart contracts.
+
+I need help with:
+
+1. Interacting with Uniswap V3 factory contract to get pool addresses
+2. Querying pool contracts for liquidity and price information
+3. Simulating swap transactions to estimate outputs
+4. Building and signing transactions for submission
+5. Working with contract ABIs and function selectors
+6. Handling contract events and logs
+
+Please provide production-ready Go code that:
+- Uses the go-ethereum library for contract interaction
+- Implements efficient contract querying
+- Handles errors gracefully
+- Follows Go best practices
+- Is optimized for performance
+- Includes comprehensive comments
+
+The code should:
+- Connect to Ethereum contracts using ABI bindings
+- Query pool state efficiently
+- Simulate transactions before execution
+- Handle contract events and logs
+- Work with both RPC and WebSocket connections

@prompts/testing-simulation.md

@@ -0,0 +1,26 @@
+You are an expert in Go testing and blockchain simulation. I'm building an MEV bot in Go that needs comprehensive testing to ensure reliability and profitability.
+
+I need help with:
+
+1. Creating realistic test scenarios for MEV detection
+2. Simulating Arbitrum network conditions
+3. Testing pricing calculations with real-world data
+4. Implementing integration tests with mock contracts
+5. Creating benchmarks for performance testing
+6. Implementing property-based testing for mathematical functions
+
+Please provide production-ready Go test code that:
+- Uses the standard testing package and testify for assertions
+- Implements realistic test scenarios
+- Creates mock data for testing
+- Includes benchmarks for performance-critical functions
+- Follows Go testing best practices
+- Provides comprehensive coverage
+
+The test code should:
+- Test edge cases and boundary conditions
+- Validate mathematical accuracy of pricing functions
+- Simulate network errors and timeouts
+- Test various swap scenarios and arbitrage opportunities
+- Benchmark performance of critical algorithms
+- Provide meaningful test output

Dockerfile

@@ -0,0 +1,53 @@
+# Dockerfile for MEV Bot
+
+# Build stage
+FROM golang:1.24-alpine AS builder
+
+# Install git (needed for go mod download with private repos)
+RUN apk add --no-cache git
+
+# Set working directory
+WORKDIR /app
+
+# Copy go mod and sum files
+COPY go.mod go.sum ./
+
+# Download dependencies
+RUN go mod download
+
+# Copy source code
+COPY . .
+
+# Build the application
+RUN go build -o bin/mev-bot cmd/mev-bot/main.go
+
+# Final stage
+FROM alpine:latest
+
+# Install ca-certificates for HTTPS requests
+RUN apk --no-cache add ca-certificates
+
+# Create a non-root user
+RUN adduser -D -s /bin/sh mevbot
+
+# Set working directory
+WORKDIR /app
+
+# Copy the binary from builder stage
+COPY --from=builder /app/bin/mev-bot .
+
+# Copy config files
+COPY --from=builder /app/config ./config
+
+# Change ownership to non-root user
+RUN chown -R mevbot:mevbot .
+
+# Switch to non-root user
+USER mevbot
+
+# Expose port (if needed for any web interfaces)
+EXPOSE 8080
+
+# Command to run the application
+ENTRYPOINT ["./mev-bot"]
+CMD ["start"]

Makefile

@@ -0,0 +1,97 @@
+# Makefile for MEV Bot
+
+# Variables
+BINARY=mev-bot
+MAIN_FILE=cmd/mev-bot/main.go
+BINARY_PATH=bin/$(BINARY)
+
+# Default target
+.PHONY: all
+all: build
+
+# Build the application
+.PHONY: build
+build:
+	@echo "Building $(BINARY)..."
+	@mkdir -p bin
+	@go build -o $(BINARY_PATH) $(MAIN_FILE)
+	@echo "Build successful!"
+
+# Run the application
+.PHONY: run
+run: build
+	@echo "Running $(BINARY)..."
+	@$(BINARY_PATH)
+
+# Run tests
+.PHONY: test
+test:
+	@echo "Running tests..."
+	@go test -v ./...
+
+# Run tests with coverage
+.PHONY: test-coverage
+test-coverage:
+	@echo "Running tests with coverage..."
+	@go test -coverprofile=coverage.out ./...
+	@go tool cover -html=coverage.out -o coverage.html
+	@echo "Coverage report generated: coverage.html"
+
+# Clean build artifacts
+.PHONY: clean
+clean:
+	@echo "Cleaning..."
+	@rm -rf bin/
+	@rm -f coverage.out coverage.html
+	@echo "Clean complete!"
+
+# Install dependencies
+.PHONY: deps
+deps:
+	@echo "Installing dependencies..."
+	@go mod tidy
+	@echo "Dependencies installed!"
+
+# Format code
+.PHONY: fmt
+fmt:
+	@echo "Formatting code..."
+	@go fmt ./...
+
+# Vet code
+.PHONY: vet
+vet:
+	@echo "Vetting code..."
+	@go vet ./...
+
+# Lint code (requires golangci-lint)
+.PHONY: lint
+lint:
+	@echo "Linting code..."
+	@which golangci-lint > /dev/null || (echo "golangci-lint not found, installing..." && go install github.com/golangci/golangci-lint/cmd/golangci-lint@latest)
+	@golangci-lint run
+
+# Update dependencies
+.PHONY: update
+update:
+	@echo "Updating dependencies..."
+	@go get -u ./...
+	@go mod tidy
+	@echo "Dependencies updated!"
+
+# Help
+.PHONY: help
+help:
+	@echo "Available targets:"
+	@echo "  all             - Build the application (default)"
+	@echo "  build           - Build the application"
+	@echo "  run             - Build and run the application"
+	@echo "  test            - Run tests"
+	@echo "  test-coverage   - Run tests with coverage report"
+	@echo "  clean           - Clean build artifacts"
+	@echo "  deps            - Install dependencies"
+	@echo "  fmt             - Format code"
+	@echo "  vet             - Vet code"
+	@echo "  lint            - Lint code (requires golangci-lint)"
+	@echo "  update          - Update dependencies"
+	@echo "  help            - Show this help"

cmd/mev-bot/main.go

@@ -1,11 +1,18 @@
 package main
 
 import (
+	"context"
 	"fmt"
 	"log"
 	"os"
+	"os/signal"
+	"syscall"
+	"time"
 
 	"github.com/urfave/cli/v2"
+	"github.com/your-username/mev-beta/internal/config"
+	"github.com/your-username/mev-beta/internal/logger"
+	"github.com/your-username/mev-beta/pkg/monitor"
 )
 
 func main() {
@@ -17,9 +24,7 @@ func main() {
 				Name:  "start",
 				Usage: "Start the MEV bot",
 				Action: func(c *cli.Context) error {
-					fmt.Println("Starting MEV bot...")
+					return startBot()
-					// TODO: Implement bot start logic
-					return nil
 				},
 			},
 			{
@@ -38,3 +43,52 @@ func main() {
 		log.Fatal(err)
 	}
 }
+
+func startBot() error {
+	// Load configuration
+	cfg, err := config.Load("config/config.yaml")
+	if err != nil {
+		return fmt.Errorf("failed to load config: %w", err)
+	}
+
+	// Initialize logger
+	log := logger.New(cfg.Log.Level, cfg.Log.Format, cfg.Log.File)
+
+	log.Info("Starting MEV bot...")
+
+	// Create Arbitrum monitor
+	monitor, err := monitor.NewArbitrumMonitor(cfg.Arbitrum.RPCEndpoint, time.Duration(cfg.Bot.PollingInterval)*time.Second)
+	if err != nil {
+		return fmt.Errorf("failed to create Arbitrum monitor: %w", err)
+	}
+
+	// Set up context with cancellation
+	ctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+
+	// Set up signal handling for graceful shutdown
+	sigChan := make(chan os.Signal, 1)
+	signal.Notify(sigChan, syscall.SIGINT, syscall.SIGTERM)
+
+	// Start monitoring in a goroutine
+	go func() {
+		if err := monitor.Start(ctx); err != nil {
+			log.Error("Monitor error: ", err)
+		}
+	}()
+
+	log.Info("MEV bot started. Press Ctrl+C to stop.")
+
+	// Wait for signal
+	<-sigChan
+	log.Info("Received shutdown signal...")
+
+	// Cancel context to stop monitor
+	cancel()
+
+	// Stop the monitor
+	monitor.Stop()
+
+	log.Info("MEV bot stopped.")
+	return nil
+}

config/config.dev.yaml

@@ -0,0 +1,47 @@
+# MEV Bot Development Configuration
+
+# Arbitrum node configuration
+arbitrum:
+  # RPC endpoint for Arbitrum node (using public endpoint for development)
+  rpc_endpoint: "https://arb1.arbitrum.io/rpc"
+  # WebSocket endpoint for Arbitrum node (optional)
+  ws_endpoint: ""
+  # Chain ID for Arbitrum (42161 for mainnet)
+  chain_id: 42161
+
+# Bot configuration
+bot:
+  # Enable or disable the bot
+  enabled: true
+  # Polling interval in seconds
+  polling_interval: 5
+  # Minimum profit threshold in USD
+  min_profit_threshold: 5.0
+  # Gas price multiplier (for faster transactions)
+  gas_price_multiplier: 1.2
+
+# Uniswap configuration
+uniswap:
+  # Factory contract address
+  factory_address: "0x1F98431c8aD98523631AE4a59f267346ea31F984"
+  # Position manager contract address
+  position_manager_address: "0xC36442b4a4522E871399CD717aBDD847Ab11FE88"
+  # Supported fee tiers
+  fee_tiers:
+    - 500    # 0.05%
+    - 3000   # 0.3%
+    - 10000  # 1%
+
+# Logging configuration
+log:
+  # Log level (debug, info, warn, error)
+  level: "debug"
+  # Log format (json, text)
+  format: "text"
+  # Log file path (empty for stdout)
+  file: ""
+
+# Database configuration
+database:
+  # Database file path
+  file: "data/mev-bot.db"

docker-compose.yml

@@ -0,0 +1,15 @@
+version: '3.8'
+
+services:
+  mev-bot:
+    build: .
+    container_name: mev-bot
+    restart: unless-stopped
+    volumes:
+      - ./config:/app/config
+      - ./data:/app/data
+    environment:
+      - LOG_LEVEL=info
+    ports:
+      - "8080:8080"
+    command: ["start"]

go.mod

@@ -4,35 +4,41 @@ go 1.24
 
 require (
 	github.com/ethereum/go-ethereum v1.14.12
+	github.com/holiman/uint256 v1.3.1
 	github.com/urfave/cli/v2 v2.27.4
+	gopkg.in/yaml.v3 v3.0.1
 )
 
 require (
+	github.com/Microsoft/go-winio v0.6.2 // indirect
+	github.com/StackExchange/wmi v1.2.1 // indirect
+	github.com/bits-and-blooms/bitset v1.13.0 // indirect
+	github.com/consensys/bavard v0.1.13 // indirect
+	github.com/consensys/gnark-crypto v0.12.1 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect
-	github.com/gballet/go-libpcsclite v0.0.0-20200512141541-2758323733fd // indirect
+	github.com/crate-crypto/go-ipa v0.0.0-20240223125850-b1e8a79f509c // indirect
+	github.com/crate-crypto/go-kzg-4844 v1.0.0 // indirect
+	github.com/deckarep/golang-set/v2 v2.6.0 // indirect
+	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
+	github.com/ethereum/c-kzg-4844 v1.0.0 // indirect
+	github.com/ethereum/go-verkle v0.1.1-0.20240829091221-dffa7562dbe9 // indirect
+	github.com/go-ole/go-ole v1.3.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/hashicorp/go-bexpr v0.1.11 // indirect
-	github.com/holiman/uint256 v1.2.4 // indirect
 	github.com/klauspost/compress v1.17.9 // indirect
-	github.com/kr/text v0.2.0 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
+	github.com/mmcloughlin/addchain v0.4.0 // indirect
-	github.com/pkg/errors v0.9.1 // indirect
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/shopspring/decimal v1.4.0 // indirect
+	github.com/shirou/gopsutil v3.21.4-0.20210419000835-c7a38de76ee5+incompatible // indirect
-	github.com/xeipuuv/gojsonpointer v0.0.0-20190905194746-02993c407bfb // indirect
+	github.com/supranational/blst v0.3.13 // indirect
-	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
+	github.com/tklauser/go-sysconf v0.3.12 // indirect
-	github.com/xeipuuv/gojsonschema v1.2.0 // indirect
+	github.com/tklauser/numcpus v0.6.1 // indirect
-	github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 // indirect
+	github.com/xrash/smetrics v0.0.0-20240521201337-686a1a2994c1 // indirect
 	golang.org/x/crypto v0.26.0 // indirect
 	golang.org/x/exp v0.0.0-20240719175910-8a7402abbf56 // indirect
-	golang.org/x/mod v0.19.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
-	golang.org/x/sys v0.24.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
-	golang.org/x/term v0.23.0 // indirect
+	rsc.io/tmplfunc v0.0.3 // indirect
-	golang.org/x/text v0.17.0 // indirect
-	golang.org/x/tools v0.25.0 // indirect
-	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
-	gopkg.in/yaml.v3 v3.0.1 // indirect
 )
 
 // Replace with your actual fork or repository when available

go.sum

@@ -0,0 +1,177 @@
+github.com/DataDog/zstd v1.4.5 h1:EndNeuB0l9syBZhut0wns3gV1hL8zX8LIu6ZiVHWLIQ=
+github.com/DataDog/zstd v1.4.5/go.mod h1:1jcaCB/ufaK+sKp1NBhlGmpz41jOoPQ35bpF36t7BBo=
+github.com/Microsoft/go-winio v0.6.2 h1:F2VQgta7ecxGYO8k3ZZz3RS8fVIXVxONVUPlNERoyfY=
+github.com/Microsoft/go-winio v0.6.2/go.mod h1:yd8OoFMLzJbo9gZq8j5qaps8bJ9aShtEA8Ipt1oGCvU=
+github.com/StackExchange/wmi v1.2.1 h1:VIkavFPXSjcnS+O8yTq7NI32k0R5Aj+v39y29VYDOSA=
+github.com/StackExchange/wmi v1.2.1/go.mod h1:rcmrprowKIVzvc+NUiLncP2uuArMWLCbu9SBzvHz7e8=
+github.com/VictoriaMetrics/fastcache v1.12.2 h1:N0y9ASrJ0F6h0QaC3o6uJb3NIZ9VKLjCM7NQbSmF7WI=
+github.com/VictoriaMetrics/fastcache v1.12.2/go.mod h1:AmC+Nzz1+3G2eCPapF6UcsnkThDcMsQicp4xDukwJYI=
+github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
+github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
+github.com/bits-and-blooms/bitset v1.13.0 h1:bAQ9OPNFYbGHV6Nez0tmNI0RiEu7/hxlYJRUA0wFAVE=
+github.com/bits-and-blooms/bitset v1.13.0/go.mod h1:7hO7Gc7Pp1vODcmWvKMRA9BNmbv6a/7QIWpPxHddWR8=
+github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs=
+github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
+github.com/cockroachdb/errors v1.11.3 h1:5bA+k2Y6r+oz/6Z/RFlNeVCesGARKuC6YymtcDrbC/I=
+github.com/cockroachdb/errors v1.11.3/go.mod h1:m4UIW4CDjx+R5cybPsNrRbreomiFqt8o1h1wUVazSd8=
+github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce h1:giXvy4KSc/6g/esnpM7Geqxka4WSqI1SZc7sMJFd3y4=
+github.com/cockroachdb/fifo v0.0.0-20240606204812-0bbfbd93a7ce/go.mod h1:9/y3cnZ5GKakj/H4y9r9GTjCvAFta7KLgSHPJJYc52M=
+github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b h1:r6VH0faHjZeQy818SGhaone5OnYfxFR/+AzdY3sf5aE=
+github.com/cockroachdb/logtags v0.0.0-20230118201751-21c54148d20b/go.mod h1:Vz9DsVWQQhf3vs21MhPMZpMGSht7O/2vFW2xusFUVOs=
+github.com/cockroachdb/pebble v1.1.2 h1:CUh2IPtR4swHlEj48Rhfzw6l/d0qA31fItcIszQVIsA=
+github.com/cockroachdb/pebble v1.1.2/go.mod h1:4exszw1r40423ZsmkG/09AFEG83I0uDgfujJdbL6kYU=
+github.com/cockroachdb/redact v1.1.5 h1:u1PMllDkdFfPWaNGMyLD1+so+aq3uUItthCFqzwPJ30=
+github.com/cockroachdb/redact v1.1.5/go.mod h1:BVNblN9mBWFyMyqK1k3AAiSxhvhfK2oOZZ2lK+dpvRg=
+github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06 h1:zuQyyAKVxetITBuuhv3BI9cMrmStnpT18zmgmTxunpo=
+github.com/cockroachdb/tokenbucket v0.0.0-20230807174530-cc333fc44b06/go.mod h1:7nc4anLGjupUW/PeY5qiNYsdNXj7zopG+eqsS7To5IQ=
+github.com/consensys/bavard v0.1.13 h1:oLhMLOFGTLdlda/kma4VOJazblc7IM5y5QPd2A/YjhQ=
+github.com/consensys/bavard v0.1.13/go.mod h1:9ItSMtA/dXMAiL7BG6bqW2m3NdSEObYWoH223nGHukI=
+github.com/consensys/gnark-crypto v0.12.1 h1:lHH39WuuFgVHONRl3J0LRBtuYdQTumFSDtJF7HpyG8M=
+github.com/consensys/gnark-crypto v0.12.1/go.mod h1:v2Gy7L/4ZRosZ7Ivs+9SfUDr0f5UlG+EM5t7MPHiLuY=
+github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4=
+github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o=
+github.com/crate-crypto/go-ipa v0.0.0-20240223125850-b1e8a79f509c h1:uQYC5Z1mdLRPrZhHjHxufI8+2UG/i25QG92j0Er9p6I=
+github.com/crate-crypto/go-ipa v0.0.0-20240223125850-b1e8a79f509c/go.mod h1:geZJZH3SzKCqnz5VT0q/DyIG/tvu/dZk+VIfXicupJs=
+github.com/crate-crypto/go-kzg-4844 v1.0.0 h1:TsSgHwrkTKecKJ4kadtHi4b3xHW5dCFUDFnUp1TsawI=
+github.com/crate-crypto/go-kzg-4844 v1.0.0/go.mod h1:1kMhvPgI0Ky3yIa+9lFySEBUBXkYxeOi8ZF1sYioxhc=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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+gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+rsc.io/tmplfunc v0.0.3 h1:53XFQh69AfOa8Tw0Jm7t+GV7KZhOi6jzsCzTtKbMvzU=
+rsc.io/tmplfunc v0.0.3/go.mod h1:AG3sTPzElb1Io3Yg4voV9AGZJuleGAwaVRxL9M49PhA=

internal/config/config.go

@@ -0,0 +1,68 @@
+package config
+
+import (
+	"fmt"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+// Config represents the application configuration
+type Config struct {
+	Arbitrum ArbitrumConfig `yaml:"arbitrum"`
+	Bot      BotConfig      `yaml:"bot"`
+	Uniswap  UniswapConfig  `yaml:"uniswap"`
+	Log      LogConfig      `yaml:"log"`
+	Database DatabaseConfig `yaml:"database"`
+}
+
+// ArbitrumConfig represents the Arbitrum node configuration
+type ArbitrumConfig struct {
+	RPCEndpoint string `yaml:"rpc_endpoint"`
+	WSEndpoint  string `yaml:"ws_endpoint"`
+	ChainID     int64  `yaml:"chain_id"`
+}
+
+// BotConfig represents the bot configuration
+type BotConfig struct {
+	Enabled             bool    `yaml:"enabled"`
+	PollingInterval     int     `yaml:"polling_interval"`
+	MinProfitThreshold  float64 `yaml:"min_profit_threshold"`
+	GasPriceMultiplier  float64 `yaml:"gas_price_multiplier"`
+}
+
+// UniswapConfig represents the Uniswap configuration
+type UniswapConfig struct {
+	FactoryAddress         string  `yaml:"factory_address"`
+	PositionManagerAddress string  `yaml:"position_manager_address"`
+	FeeTiers               []int64 `yaml:"fee_tiers"`
+}
+
+// LogConfig represents the logging configuration
+type LogConfig struct {
+	Level  string `yaml:"level"`
+	Format string `yaml:"format"`
+	File   string `yaml:"file"`
+}
+
+// DatabaseConfig represents the database configuration
+type DatabaseConfig struct {
+	File string `yaml:"file"`
+}
+
+// Load loads the configuration from a file
+func Load(filename string) (*Config, error) {
+	// Read the config file
+	data, err := os.ReadFile(filename)
+	if err != nil {
+		return nil, fmt.Errorf("failed to read config file: %w", err)
+	}
+
+	// Parse the YAML
+	var config Config
+	if err := yaml.Unmarshal(data, &config); err != nil {
+		return nil, fmt.Errorf("failed to parse config file: %w", err)
+	}
+
+	return &config, nil
+}

internal/logger/logger.go

@@ -0,0 +1,61 @@
+package logger
+
+import (
+	"log"
+	"os"
+)
+
+// Logger represents a simple logger wrapper
+type Logger struct {
+	logger *log.Logger
+	level  string
+}
+
+// New creates a new logger
+func New(level string, format string, file string) *Logger {
+	// Determine output destination
+	var output *os.File
+	if file != "" {
+		f, err := os.OpenFile(file, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0666)
+		if err != nil {
+			log.Fatal(err)
+		}
+		output = f
+	} else {
+		output = os.Stdout
+	}
+
+	// Create the logger
+	logger := log.New(output, "", log.LstdFlags|log.Lshortfile)
+
+	return &Logger{
+		logger: logger,
+		level:  level,
+	}
+}
+
+// Debug logs a debug message
+func (l *Logger) Debug(v ...interface{}) {
+	if l.level == "debug" {
+		l.logger.Print("DEBUG: ", v)
+	}
+}
+
+// Info logs an info message
+func (l *Logger) Info(v ...interface{}) {
+	if l.level == "debug" || l.level == "info" {
+		l.logger.Print("INFO: ", v)
+	}
+}
+
+// Warn logs a warning message
+func (l *Logger) Warn(v ...interface{}) {
+	if l.level == "debug" || l.level == "info" || l.level == "warn" {
+		l.logger.Print("WARN: ", v)
+	}
+}
+
+// Error logs an error message
+func (l *Logger) Error(v ...interface{}) {
+	l.logger.Print("ERROR: ", v)
+}

internal/utils/utils.go

@@ -0,0 +1,34 @@
+package utils
+
+import (
+	"math/big"
+	"time"
+)
+
+// FormatWeiToEther formats a wei amount to ether
+func FormatWeiToEther(wei *big.Int) *big.Float {
+	ether := new(big.Float).SetInt(wei)
+	ether.Quo(ether, big.NewFloat(1e18))
+	return ether
+}
+
+// FormatTime formats a timestamp to a readable string
+func FormatTime(timestamp uint64) string {
+	return time.Unix(int64(timestamp), 0).Format("2006-01-02 15:04:05")
+}
+
+// Min returns the smaller of two integers
+func Min(a, b int) int {
+	if a < b {
+		return a
+	}
+	return b
+}
+
+// Max returns the larger of two integers
+func Max(a, b int) int {
+	if a > b {
+		return a
+	}
+	return b
+}

pkg/monitor/monitor.go

@@ -7,7 +7,6 @@ import (
 	"math/big"
 	"time"
 
-	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethclient"