try remove mid status (#2016)

[bytom/bytom.git] / protocol / state / checkpoint.go

diff --git a/protocol/state/checkpoint.go b/protocol/state/checkpoint.go
index 0d2a535..3dc61c5 100644 (file)
--- a/protocol/state/checkpoint.go
+++ b/protocol/state/checkpoint.go
@@ -52,6 +52,9 @@ type Checkpoint struct {
 // NewCheckpoint create a new checkpoint instance
 func NewCheckpoint(parent *Checkpoint) *Checkpoint {
        checkpoint := &Checkpoint{
+               Height:     parent.Height,
+               Hash:       parent.Hash,
+               Timestamp:  parent.Timestamp,
                ParentHash: parent.Hash,
                Parent:     parent,
                Status:     Growing,
@@ -98,13 +101,7 @@ func (c *Checkpoint) ContainsVerification(validatorOrder int, sourceHash *bc.Has
 
 // Increase will increase the height of checkpoint
 func (c *Checkpoint) Increase(block *types.Block) error {
-       empty := bc.Hash{}
-       prevHash := c.Hash
-       if c.Hash == empty {
-               prevHash = c.ParentHash
-       }
-
-       if block.PreviousBlockHash != prevHash {
+       if block.PreviousBlockHash != c.Hash {
                return errIncreaseCheckpoint
        }