Remove logs

diff.go

@@ -27,7 +27,6 @@ func (ndb *nodeDB) extractStateChanges(prevVersion int64, prevRoot []byte, root
 	if err != nil {
 		return err
 	}
-	fmt.Printf("curIter %d\n", prevVersion)
 
 	prevIter, err := NewNodeIterator(prevRoot, ndb)
 	if err != nil {
@@ -69,7 +68,6 @@ func (ndb *nodeDB) extractStateChanges(prevVersion int64, prevRoot []byte, root
 		for curIter.Valid() {
 			node := curIter.GetNode()
 			shared := node.version <= prevVersion
-			fmt.Printf("curIter version %d has %d nodesToVisit \n", node.version, len(curIter.nodesToVisit))
 			curIter.Next(shared)
 			if shared {
 				sharedNode = node
@@ -81,14 +79,11 @@ func (ndb *nodeDB) extractStateChanges(prevVersion int64, prevRoot []byte, root
 
 		return nil
 	}
-	fmt.Printf("before advanceSharedNode\n")
 
 	if err := advanceSharedNode(); err != nil {
 		return err
 	}
 
-	fmt.Printf("after advanceSharedNode\n")
-
 	// addOrphanedLeave receives a new orphaned leave node found in previous version,
 	// compare with the current newLeaves, to produce `iavl.KVPair` stream.
 	addOrphanedLeave := func(orphaned *Node) error {

nodedb.go

@@ -1060,7 +1060,7 @@ func (ndb *nodeDB) traverseNodes(fn func(hash []byte, node *Node) error) error {
 	return nil
 }
 
-// traverseStateChanges iterate the range of versions, compare each version to it's predecessor to extract the state changes of it.
+// traverseStateChanges iterate the range of versions, compare each version to its predecessor to extract the state changes of it.
 // endVersion is exclusive, set to `math.MaxInt64` to cover the latest version.
 func (ndb *nodeDB) traverseStateChanges(startVersion, endVersion int64, fn func(version int64, changeSet *ChangeSet) error) error {
 	predecessor, err := ndb.getPreviousVersion(startVersion)
@@ -1071,24 +1071,20 @@ func (ndb *nodeDB) traverseStateChanges(startVersion, endVersion int64, fn func(
 	if err != nil {
 		return err
 	}
-	fmt.Printf("Traversing range from %d to %d with predecessor %d\n", startVersion, endVersion, predecessor)
 	return ndb.traverseRange(rootKeyFormat.Key(startVersion), rootKeyFormat.Key(endVersion), func(k, hash []byte) error {
 		var version int64
 		rootKeyFormat.Scan(k, &version)
 
-		fmt.Printf("traversed version: %d\n", version)
 		var changeSet ChangeSet
 		receiveKVPair := func(pair *KVPair) error {
 			changeSet.Pairs = append(changeSet.Pairs, pair)
 			return nil
 		}
 
-		fmt.Printf("extractStateChanges version: %d\n", version)
 		if err := ndb.extractStateChanges(predecessor, prevRoot, hash, receiveKVPair); err != nil {
 			return err
 		}
 
-		fmt.Printf("applying fn for version: %d\n", version)
 		if err := fn(version, &changeSet); err != nil {
 			return err
 		}