fix: hide private key

cmd/main.go

@@ -37,7 +37,8 @@ func main() {
 
 	openPrometheusAndPprof(cfg.Debug.ListenAddr)
 
-	log.Infow("bsc mev-sentry start", "configPath", *configPath, "config", cfg)
+	hidedCfg, _ := cfg.HidePrivateKey()
+	log.Infow("bsc mev-sentry start", "configPath", *configPath, "config", hidedCfg)
 
 	validators := make(map[string]node.Validator)
 	for _, v := range cfg.Validators {

config/config.go

@@ -7,6 +7,7 @@ import (
 	"reflect"
 	"unicode"
 
+	jsoniter "github.com/json-iterator/go"
 	"github.com/naoina/toml"
 
 	"github.com/bnb-chain/bsc-mev-sentry/node"
@@ -39,6 +40,24 @@ func Load(file string) *Config {
 	return &cfg
 }
 
+func (c *Config) HidePrivateKey() (*Config, error) {
+	origJSON, err := jsoniter.Marshal(c)
+	if err != nil {
+		return nil, err
+	}
+
+	clone := Config{}
+	if err = jsoniter.Unmarshal(origJSON, &clone); err != nil {
+		return nil, err
+	}
+
+	for i, _ := range clone.Validators {
+		clone.Validators[i].SentryPrivateKey = ""
+	}
+
+	return &clone, nil
+}
+
 // TomlSettings - These settings ensure that TOML keys use the same names as Go struct fields.
 var tomlSettings = toml.Config{
 	NormFieldName: func(rt reflect.Type, key string) string {

node/validator.go

@@ -58,15 +58,15 @@ type ValidatorConfig struct {
 	PrivateURL     string
 	PublicHostName string
 
-	PayAccountMode account.Mode
-	// PrivateKey private key of sentry wallet
-	PrivateKey string
-	// KeystorePath path of keystore
-	KeystorePath string
-	// PasswordFilePath stores keystore password
-	PasswordFilePath string
-	// PayAccountAddress public address of sentry wallet
-	PayAccountAddress string
+	SentryAccountMode account.Mode
+	// SentryPrivateKey private key of sentry wallet
+	SentryPrivateKey string
+	// SentryKeystorePath path of sentry keystore
+	SentryKeystorePath string
+	// SentryPasswordFilePath stores sentry keystore password
+	SentryPasswordFilePath string
+	// SentryAddress public address of sentry wallet
+	SentryAddress string
 }
 
 func NewValidator(config ValidatorConfig) Validator {
@@ -77,11 +77,11 @@ func NewValidator(config ValidatorConfig) Validator {
 	}
 
 	acc, err := account.New(&account.Config{
-		Mode:             config.PayAccountMode,
-		PrivateKey:       config.PrivateKey,
-		KeystorePath:     config.KeystorePath,
-		PasswordFilePath: config.PasswordFilePath,
-		Address:          config.PayAccountAddress})
+		Mode:             config.SentryAccountMode,
+		PrivateKey:       config.SentryPrivateKey,
+		KeystorePath:     config.SentryKeystorePath,
+		PasswordFilePath: config.SentryPasswordFilePath,
+		Address:          config.SentryAddress})
 	if err != nil {
 		log.Panicw("failed to create payAccount", "err", err)
 	}