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Create a binary for proxying from central. infra
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,172 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "log" | ||
| "net/http" | ||
| "net/http/pprof" | ||
| "os" | ||
| "os/signal" | ||
| "syscall" | ||
| "time" | ||
|
|
||
| "github.com/VictoriaMetrics/metrics" | ||
| "github.com/flashbots/go-utils/signature" | ||
| "github.com/flashbots/tdx-orderflow-proxy/common" | ||
| "github.com/flashbots/tdx-orderflow-proxy/proxy" | ||
| "github.com/google/uuid" | ||
| "github.com/urfave/cli/v2" // imports as package "cli" | ||
| ) | ||
|
|
||
| var flags []cli.Flag = []cli.Flag{ | ||
| // input and output | ||
| &cli.StringFlag{ | ||
| Name: "listen-address", | ||
| Value: "127.0.0.1:8080", | ||
| Usage: "address to listen on for requests", | ||
| }, | ||
| &cli.StringFlag{ | ||
| Name: "builder-confighub-endpoint", | ||
| Value: "http://127.0.0.1:14892", | ||
| Usage: "address of the builder config hub enpoint (directly or throught the cvm-proxy)", | ||
| }, | ||
| &cli.StringFlag{ | ||
| Name: "orderflow-signer-key", | ||
| Value: "0xfb5ad18432422a84514f71d63b45edf51165d33bef9c2bd60957a48d4c4cb68e", | ||
| Usage: "ordreflow will be signed with this address", | ||
| }, | ||
| &cli.Int64Flag{ | ||
| Name: "max-request-body-size-bytes", | ||
| Value: 0, | ||
| Usage: "Maximum size of the request body, if 0 default will be used", | ||
| }, | ||
|
|
||
| // logging, metrics and debug | ||
| &cli.StringFlag{ | ||
| Name: "metrics-addr", | ||
| Value: "127.0.0.1:8090", | ||
| Usage: "address to listen on for Prometheus metrics (metrics are served on $metrics-addr/metrics)", | ||
| }, | ||
| &cli.BoolFlag{ | ||
| Name: "log-json", | ||
| Value: false, | ||
| Usage: "log in JSON format", | ||
| }, | ||
| &cli.BoolFlag{ | ||
| Name: "log-debug", | ||
| Value: false, | ||
| Usage: "log debug messages", | ||
| }, | ||
| &cli.BoolFlag{ | ||
| Name: "log-uid", | ||
| Value: false, | ||
| Usage: "generate a uuid and add to all log messages", | ||
| }, | ||
| &cli.StringFlag{ | ||
| Name: "log-service", | ||
| Value: "tdx-orderflow-proxy-sender", | ||
| Usage: "add 'service' tag to logs", | ||
| }, | ||
| &cli.BoolFlag{ | ||
| Name: "pprof", | ||
| Value: false, | ||
| Usage: "enable pprof debug endpoint (pprof is served on $metrics-addr/debug/pprof/*)", | ||
| }, | ||
| } | ||
|
|
||
| func main() { | ||
| app := &cli.App{ | ||
| Name: "sender-proxy", | ||
| Usage: "Serve API, and metrics", | ||
| Flags: flags, | ||
| Action: func(cCtx *cli.Context) error { | ||
| logJSON := cCtx.Bool("log-json") | ||
| logDebug := cCtx.Bool("log-debug") | ||
| logUID := cCtx.Bool("log-uid") | ||
| logService := cCtx.String("log-service") | ||
|
|
||
| log := common.SetupLogger(&common.LoggingOpts{ | ||
| Debug: logDebug, | ||
| JSON: logJSON, | ||
| Service: logService, | ||
| Version: common.Version, | ||
| }) | ||
|
|
||
| if logUID { | ||
| id := uuid.Must(uuid.NewRandom()) | ||
| log = log.With("uid", id.String()) | ||
| } | ||
|
|
||
| exit := make(chan os.Signal, 1) | ||
| signal.Notify(exit, os.Interrupt, syscall.SIGTERM) | ||
|
|
||
| // metrics server | ||
| go func() { | ||
| metricsAddr := cCtx.String("metrics-addr") | ||
| usePprof := cCtx.Bool("pprof") | ||
| metricsMux := http.NewServeMux() | ||
| metricsMux.HandleFunc("/metrics", func(w http.ResponseWriter, r *http.Request) { | ||
| metrics.WritePrometheus(w, true) | ||
| }) | ||
| if usePprof { | ||
| metricsMux.Handle("/debug/pprof/", http.HandlerFunc(pprof.Index)) | ||
| metricsMux.Handle("/debug/pprof/cmdline", http.HandlerFunc(pprof.Cmdline)) | ||
| metricsMux.Handle("/debug/pprof/profile", http.HandlerFunc(pprof.Profile)) | ||
| metricsMux.Handle("/debug/pprof/symbol", http.HandlerFunc(pprof.Symbol)) | ||
| metricsMux.Handle("/debug/pprof/trace", http.HandlerFunc(pprof.Trace)) | ||
| } | ||
|
|
||
| metricsServer := &http.Server{ | ||
| Addr: metricsAddr, | ||
| ReadHeaderTimeout: 5 * time.Second, | ||
| Handler: metricsMux, | ||
| } | ||
|
|
||
| err := metricsServer.ListenAndServe() | ||
| if err != nil { | ||
| log.Error("Failed to start metrics server", "err", err) | ||
| } | ||
| }() | ||
|
|
||
| builderConfigHubEndpoint := cCtx.String("builder-confighub-endpoint") | ||
| orderflowSignerKeyStr := cCtx.String("orderflow-signer-key") | ||
| orderflowSigner, err := signature.NewSignerFromHexPrivateKey(orderflowSignerKeyStr) | ||
| if err != nil { | ||
| log.Error("Failed to get signer from private key", "error", err) | ||
| } | ||
| log.Info("Ordeflow signing address", "address", orderflowSigner.Address()) | ||
| maxRequestBodySizeBytes := cCtx.Int64("max-request-body-size-bytes") | ||
|
|
||
| proxyConfig := &proxy.SenderProxyConfig{ | ||
| SenderProxyConstantConfig: proxy.SenderProxyConstantConfig{ | ||
| Log: log, | ||
| OrderflowSigner: orderflowSigner, | ||
| }, | ||
| BuilderConfigHubEndpoint: builderConfigHubEndpoint, | ||
| MaxRequestBodySizeBytes: maxRequestBodySizeBytes, | ||
| } | ||
|
|
||
| instance, err := proxy.NewSenderProxy(*proxyConfig) | ||
| if err != nil { | ||
| log.Error("Failed to create proxy server", "err", err) | ||
| return err | ||
| } | ||
|
|
||
| listenAddr := cCtx.String("listen-address") | ||
| servers, err := proxy.StartSenderServers(instance, listenAddr) | ||
| if err != nil { | ||
| log.Error("Failed to start proxy server", "err", err) | ||
| return err | ||
| } | ||
|
|
||
| log.Info("Started sender proxy", "listenAddres", listenAddr) | ||
|
|
||
| <-exit | ||
| servers.Stop() | ||
| return nil | ||
| }, | ||
| } | ||
|
|
||
| if err := app.Run(os.Args); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| } |
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