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

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Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>
This commit is contained in:
Krypto Kajun
2025-09-14 10:16:29 -05:00
parent 5db7587923
commit c16182d80c
1364 changed files with 473970 additions and 1202 deletions
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114
pkg/metrics/metrics.go
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@@ -14,41 +14,41 @@ import (
type MetricsCollector struct {
logger *logger.Logger
mu sync.RWMutex
// L2 Message Metrics
L2MessagesProcessed uint64
L2MessagesPerSecond float64
L2MessageLag time.Duration
BatchesProcessed uint64
L2MessagesProcessed uint64
L2MessagesPerSecond float64
L2MessageLag time.Duration
BatchesProcessed uint64
// DEX Interaction Metrics
DEXInteractionsFound uint64
SwapOpportunities uint64
DEXInteractionsFound uint64
SwapOpportunities uint64
ArbitrageOpportunities uint64
// Performance Metrics
ProcessingLatency time.Duration
ErrorRate float64
SuccessfulTrades uint64
FailedTrades uint64
ProcessingLatency time.Duration
ErrorRate float64
SuccessfulTrades uint64
FailedTrades uint64
// Financial Metrics
TotalProfit float64
TotalLoss float64
GasCostsSpent float64
NetProfit float64
TotalProfit float64
TotalLoss float64
GasCostsSpent float64
NetProfit float64
// Gas Metrics
AverageGasPrice uint64
L1DataFeesSpent float64
L2ComputeFeesSpent float64
AverageGasPrice uint64
L1DataFeesSpent float64
L2ComputeFeesSpent float64
// Health Metrics
UptimeSeconds uint64
LastHealthCheck time.Time
UptimeSeconds uint64
LastHealthCheck time.Time
// Start time for calculations
startTime time.Time
startTime time.Time
}
// NewMetricsCollector creates a new metrics collector
@@ -64,10 +64,10 @@ func NewMetricsCollector(logger *logger.Logger) *MetricsCollector {
func (m *MetricsCollector) RecordL2Message(processingTime time.Duration) {
m.mu.Lock()
defer m.mu.Unlock()
m.L2MessagesProcessed++
m.ProcessingLatency = processingTime
// Calculate messages per second
elapsed := time.Since(m.startTime).Seconds()
if elapsed > 0 {
@@ -79,7 +79,7 @@ func (m *MetricsCollector) RecordL2Message(processingTime time.Duration) {
func (m *MetricsCollector) RecordL2MessageLag(lag time.Duration) {
m.mu.Lock()
defer m.mu.Unlock()
m.L2MessageLag = lag
}
@@ -87,7 +87,7 @@ func (m *MetricsCollector) RecordL2MessageLag(lag time.Duration) {
func (m *MetricsCollector) RecordBatchProcessed() {
m.mu.Lock()
defer m.mu.Unlock()
m.BatchesProcessed++
}
@@ -95,7 +95,7 @@ func (m *MetricsCollector) RecordBatchProcessed() {
func (m *MetricsCollector) RecordDEXInteraction() {
m.mu.Lock()
defer m.mu.Unlock()
m.DEXInteractionsFound++
}
@@ -103,7 +103,7 @@ func (m *MetricsCollector) RecordDEXInteraction() {
func (m *MetricsCollector) RecordSwapOpportunity() {
m.mu.Lock()
defer m.mu.Unlock()
m.SwapOpportunities++
}
@@ -111,7 +111,7 @@ func (m *MetricsCollector) RecordSwapOpportunity() {
func (m *MetricsCollector) RecordArbitrageOpportunity() {
m.mu.Lock()
defer m.mu.Unlock()
m.ArbitrageOpportunities++
}
@@ -119,12 +119,12 @@ func (m *MetricsCollector) RecordArbitrageOpportunity() {
func (m *MetricsCollector) RecordSuccessfulTrade(profit float64, gasCost float64) {
m.mu.Lock()
defer m.mu.Unlock()
m.SuccessfulTrades++
m.TotalProfit += profit
m.GasCostsSpent += gasCost
m.NetProfit = m.TotalProfit - m.TotalLoss - m.GasCostsSpent
// Update error rate
totalTrades := m.SuccessfulTrades + m.FailedTrades
if totalTrades > 0 {
@@ -136,12 +136,12 @@ func (m *MetricsCollector) RecordSuccessfulTrade(profit float64, gasCost float64
func (m *MetricsCollector) RecordFailedTrade(loss float64, gasCost float64) {
m.mu.Lock()
defer m.mu.Unlock()
m.FailedTrades++
m.TotalLoss += loss
m.GasCostsSpent += gasCost
m.NetProfit = m.TotalProfit - m.TotalLoss - m.GasCostsSpent
// Update error rate
totalTrades := m.SuccessfulTrades + m.FailedTrades
if totalTrades > 0 {
@@ -153,7 +153,7 @@ func (m *MetricsCollector) RecordFailedTrade(loss float64, gasCost float64) {
func (m *MetricsCollector) RecordGasMetrics(gasPrice uint64, l1DataFee, l2ComputeFee float64) {
m.mu.Lock()
defer m.mu.Unlock()
m.AverageGasPrice = gasPrice
m.L1DataFeesSpent += l1DataFee
m.L2ComputeFeesSpent += l2ComputeFee
@@ -163,7 +163,7 @@ func (m *MetricsCollector) RecordGasMetrics(gasPrice uint64, l1DataFee, l2Comput
func (m *MetricsCollector) UpdateHealthCheck() {
m.mu.Lock()
defer m.mu.Unlock()
m.LastHealthCheck = time.Now()
m.UptimeSeconds = uint64(time.Since(m.startTime).Seconds())
}
@@ -172,7 +172,7 @@ func (m *MetricsCollector) UpdateHealthCheck() {
func (m *MetricsCollector) GetSnapshot() MetricsSnapshot {
m.mu.RLock()
defer m.mu.RUnlock()
return MetricsSnapshot{
L2MessagesProcessed: m.L2MessagesProcessed,
L2MessagesPerSecond: m.L2MessagesPerSecond,
@@ -232,32 +232,32 @@ type MetricsServer struct {
// NewMetricsServer creates a new metrics server
func NewMetricsServer(collector *MetricsCollector, logger *logger.Logger, port string) *MetricsServer {
mux := http.NewServeMux()
// Create authentication configuration
authConfig := &auth.AuthConfig{
Logger: logger,
RequireHTTPS: false, // Set to true in production
RequireHTTPS: false, // Set to true in production
AllowedIPs: []string{"127.0.0.1", "::1"}, // Localhost only by default
}
// Create authentication middleware
middleware := auth.NewMiddleware(authConfig)
server := &MetricsServer{
collector: collector,
logger: logger,
collector: collector,
logger: logger,
server: &http.Server{
Addr: ":" + port,
Handler: mux,
},
middleware: middleware,
}
// Register endpoints with authentication
mux.HandleFunc("/metrics", middleware.RequireAuthentication(server.handleMetrics))
mux.HandleFunc("/health", middleware.RequireAuthentication(server.handleHealth))
mux.HandleFunc("/metrics/prometheus", middleware.RequireAuthentication(server.handlePrometheus))
return server
}
@@ -276,10 +276,10 @@ func (s *MetricsServer) Stop() error {
// handleMetrics serves metrics in JSON format
func (s *MetricsServer) handleMetrics(w http.ResponseWriter, r *http.Request) {
snapshot := s.collector.GetSnapshot()
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
// Simple JSON serialization
response := `{
"l2_messages_processed": ` + uintToString(snapshot.L2MessagesProcessed) + `,
@@ -302,14 +302,14 @@ func (s *MetricsServer) handleMetrics(w http.ResponseWriter, r *http.Request) {
"l2_compute_fees_spent_eth": ` + floatToString(snapshot.L2ComputeFeesSpent) + `,
"uptime_seconds": ` + uintToString(snapshot.UptimeSeconds) + `
}`
w.Write([]byte(response))
}
// handleHealth serves health check
func (s *MetricsServer) handleHealth(w http.ResponseWriter, r *http.Request) {
s.collector.UpdateHealthCheck()
w.Header().Set("Content-Type", "application/json")
w.WriteHeader(http.StatusOK)
w.Write([]byte(`{"status": "healthy", "timestamp": "` + time.Now().Format(time.RFC3339) + `"}`))
@@ -318,10 +318,10 @@ func (s *MetricsServer) handleHealth(w http.ResponseWriter, r *http.Request) {
// handlePrometheus serves metrics in Prometheus format
func (s *MetricsServer) handlePrometheus(w http.ResponseWriter, r *http.Request) {
snapshot := s.collector.GetSnapshot()
w.Header().Set("Content-Type", "text/plain")
w.WriteHeader(http.StatusOK)
prometheus := `# HELP mev_bot_l2_messages_processed Total L2 messages processed
# TYPE mev_bot_l2_messages_processed counter
mev_bot_l2_messages_processed ` + uintToString(snapshot.L2MessagesProcessed) + `
@@ -350,7 +350,7 @@ mev_bot_error_rate ` + floatToString(snapshot.ErrorRate) + `
# TYPE mev_bot_uptime_seconds counter
mev_bot_uptime_seconds ` + uintToString(snapshot.UptimeSeconds) + `
`
w.Write([]byte(prometheus))
}
@@ -365,4 +365,4 @@ func floatToString(val float64) string {
func durationToString(val time.Duration) string {
return fmt.Sprintf("%.2f", float64(val.Nanoseconds())/1000000.0)
}
}