Moved import to utils

cmd/ethereum/main.go

@@ -26,7 +26,6 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/ethutil"
 	"github.com/ethereum/go-ethereum/logger"
-	"github.com/ethereum/go-ethereum/rlp"
 )
 
 const (
@@ -118,26 +117,11 @@ func main() {
 	}
 
 	if len(ImportChain) > 0 {
-		clilogger.Infof("importing chain '%s'\n", ImportChain)
-		fh, err := os.OpenFile(ImportChain, os.O_RDONLY, os.ModePerm)
+		err := utils.ImportChain(ethereum, ImportChain)
 		if err != nil {
 			clilogger.Infoln(err)
-			return
 		}
-		defer fh.Close()
-
-		var chain types.Blocks
-		if err := rlp.Decode(fh, &chain); err != nil {
-			clilogger.Infoln(err)
-			return
-		}
-
-		ethereum.ChainManager().Reset()
-		if err := ethereum.ChainManager().InsertChain(chain); err != nil {
-			clilogger.Infoln(err)
-			return
-		}
-		clilogger.Infof("imported %d blocks\n", len(chain))
+		return
 	}
 
 	// better reworked as cases

cmd/utils/cmd.go

@@ -13,6 +13,7 @@ import (
 	"runtime"
 
 	"bitbucket.org/kardianos/osext"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/ethdb"
@@ -20,6 +21,7 @@ import (
 	"github.com/ethereum/go-ethereum/logger"
 	"github.com/ethereum/go-ethereum/miner"
 	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/ethereum/go-ethereum/rlp"
 	"github.com/ethereum/go-ethereum/rpc"
 	"github.com/ethereum/go-ethereum/xeth"
 )
@@ -335,3 +337,25 @@ func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
 	return nil
 
 }
+
+func ImportChain(ethereum *eth.Ethereum, fn string) error {
+	clilogger.Infof("importing chain '%s'\n", ImportChain)
+	fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
+	if err != nil {
+		return err
+	}
+	defer fh.Close()
+
+	var chain types.Blocks
+	if err := rlp.Decode(fh, &chain); err != nil {
+		return err
+	}
+
+	ethereum.ChainManager().Reset()
+	if err := ethereum.ChainManager().InsertChain(chain); err != nil {
+		return err
+	}
+	clilogger.Infof("imported %d blocks\n", len(chain))
+
+	return nil
+}