merge upstream

1 files changed, 18 insertions, 0 deletions

diff --git a/utils/cmd.go b/utils/cmd.go
index 8bc9c63fa..34716b94a 100644
--- a/utils/cmd.go
+++ b/utils/cmd.go
@@ -219,3 +219,21 @@ func StopMining(ethereum *eth.Ethereum) bool {
   }
   return false
 }
+
+// Replay block
+func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
+	block := ethereum.BlockChain().GetBlock(hash)
+	if block == nil {
+		return fmt.Errorf("unknown block %x", hash)
+	}
+
+	parent := ethereum.BlockChain().GetBlock(block.PrevHash)
+
+	_, err := ethereum.StateManager().ApplyDiff(parent.State(), parent, block)
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}