Use LoadConfig from ipld-eth-server

cmd/state_validator.go

@@ -2,16 +2,14 @@ package cmd
 
 import (
 	"context"
-	"encoding/json"
 	"fmt"
-	"os"
 
-	"github.com/ethereum/go-ethereum/params"
 	log "github.com/sirupsen/logrus"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 
 	"github.com/vulcanize/ipld-eth-db-validator/pkg/validator"
+	"github.com/vulcanize/ipld-eth-server/pkg/eth"
 )
 
 // stateValidatorCmd represents the stateValidator command
@@ -40,8 +38,7 @@ func stateValidator() {
 	trail := viper.GetUint64("validate.trail")
 
 	chainConfigPath := viper.GetString("ethereum.chainConfig")
-	chainCfg, err := LoadConfig(chainConfigPath)
-	fmt.Println("chainCfg", chainCfg)
+	chainCfg, err := eth.LoadConfig(chainConfigPath)
 	if err != nil {
 		logWithCommand.Fatal(err)
 	}
@@ -62,12 +59,12 @@ func init() {
 	stateValidatorCmd.PersistentFlags().String("block-height", "1", "block height to initiate state validation")
 	stateValidatorCmd.PersistentFlags().String("trail", "0", "trail of block height to validate")
 
-	stateValidatorCmd.PersistentFlags().String("chainConfig", "", "path to chain config")
+	stateValidatorCmd.PersistentFlags().String("chain-config", "", "path to chain config")
 
 	_ = viper.BindPFlag("validate.block-height", stateValidatorCmd.PersistentFlags().Lookup("block-height"))
 	_ = viper.BindPFlag("validate.trail", stateValidatorCmd.PersistentFlags().Lookup("trail"))
 
-	_ = viper.BindPFlag("ethereum.chainConfig", stateValidatorCmd.PersistentFlags().Lookup("chainConfig"))
+	_ = viper.BindPFlag("ethereum.chainConfig", stateValidatorCmd.PersistentFlags().Lookup("chain-config"))
 }
 
 func initConfig() {
@@ -82,25 +79,3 @@ func initConfig() {
 		log.Warn("No config file passed with --config flag")
 	}
 }
-
-// LoadConfig loads chain config from json file
-func LoadConfig(chainConfigPath string) (*params.ChainConfig, error) {
-	file, err := os.Open(chainConfigPath)
-	if err != nil {
-		log.Error(fmt.Sprintf("Failed to read chain config file: %v", err))
-
-		return nil, err
-	}
-	defer file.Close()
-
-	chainConfig := new(params.ChainConfig)
-	if err := json.NewDecoder(file).Decode(chainConfig); err != nil {
-		log.Error(fmt.Sprintf("invalid chain config file: %v", err))
-
-		return nil, err
-	}
-
-	log.Info(fmt.Sprintf("Using chain config from %s file. Content %+v", chainConfigPath, chainConfig))
-
-	return chainConfig, nil
-}