add back name check

Author: klemenfn

server/cmd/server/config.go

@@ -3,6 +3,7 @@ package main
 import (
 	"encoding/json"
 	"errors"
+	"fmt"
 	"os"
 
 	"github.com/ava-labs/avalanchego/utils/constants"
@@ -87,10 +88,9 @@ func (c *config) validate() error {
 		return errors.New("network name not provided")
 	}
 
-	// TODO: Re-enable network name validation once we use go-flare's avalanchego fork
-	// if _, err := constants.NetworkID(c.NetworkName); err != nil {
-	// 	return fmt.Errorf("network name %q not mapping to any known network ID", c.NetworkName)
-	// }
+	if _, err := constants.NetworkID(c.NetworkName); err != nil {
+		return fmt.Errorf("network name %q not mapping to any known network ID", c.NetworkName)
+	}
 
 	if c.GenesisBlockHash == "" {
 		return errGenesisBlockRequired