Dev (#148)

[bytom/bytom.git] / protocol / bc / legacy / block_commitment.go

diff --git a/protocol/bc/legacy/block_commitment.go b/protocol/bc/legacy/block_commitment.go
index 7ad0bce..e7c2330 100644 (file)
--- a/protocol/bc/legacy/block_commitment.go
+++ b/protocol/bc/legacy/block_commitment.go
@@ -7,6 +7,7 @@ import (
        "github.com/bytom/protocol/bc"
 )
 
+// BlockCommitment store the TransactionsMerkleRoot && AssetsMerkleRoot
 type BlockCommitment struct {
        // TransactionsMerkleRoot is the root hash of the Merkle binary hash
        // tree formed by the hashes of all transactions included in the
@@ -20,14 +21,10 @@ type BlockCommitment struct {
 }
 
 func (bc *BlockCommitment) readFrom(r *blockchain.Reader) error {
-       _, err := bc.TransactionsMerkleRoot.ReadFrom(r)
-       if err != nil {
-               return err
-       }
-       _, err = bc.AssetsMerkleRoot.ReadFrom(r)
-       if err != nil {
+       if _, err := bc.TransactionsMerkleRoot.ReadFrom(r); err != nil {
                return err
        }
+       _, err := bc.AssetsMerkleRoot.ReadFrom(r)
        return err
 }