implement Copy and toDot for HashedNode

gballet · gballet · commit a62b80534ebf · 2025-08-06T21:21:40.000+02:00
Signed-off-by: Guillaume Ballet &lt;3272758+gballet@users.noreply.github.com&gt;
diff --git a/trie/binary.go b/trie/binary.go
@@ -132,7 +132,9 @@ func (h HashedNode) Commit() common.Hash {
 }
 
 func (h HashedNode) Copy() BinaryNode {
-	panic("not implemented") // TODO: Implement
+	var nh common.Hash
+	nh = common.Hash(h)
+	return HashedNode(nh)
 }
 
 func (h HashedNode) Hash() common.Hash {
@@ -161,7 +163,10 @@ func (h HashedNode) InsertValuesAtStem(key []byte, values [][]byte, resolver Nod
 }
 
 func (h HashedNode) toDot(parent string, path string) string {
-	panic("not implemented") // TODO: Implement
+	me := fmt.Sprintf("hash%s", path)
+	ret := fmt.Sprintf("%s [label=\"%x\"]\n", me, h)
+	ret = fmt.Sprintf("%s %s -> %s\n", ret, parent, me)
+	return ret
 }
 
 func (h HashedNode) CollectNodes([]byte, NodeFlushFn) error {

Original file line number	Diff line number	Diff line change
`@@ -132,7 +132,9 @@ func (h HashedNode) Commit() common.Hash {`
`132`	`132`	`}`
`133`	`133`
`134`	`134`	`func (h HashedNode) Copy() BinaryNode {`
`135`		`- panic("not implemented") // TODO: Implement`
	`135`	`+ var nh common.Hash`
	`136`	`+ nh = common.Hash(h)`
	`137`	`+ return HashedNode(nh)`
`136`	`138`	`}`
`137`	`139`
`138`	`140`	`func (h HashedNode) Hash() common.Hash {`
`@@ -161,7 +163,10 @@ func (h HashedNode) InsertValuesAtStem(key []byte, values [][]byte, resolver Nod`
`161`	`163`	`}`
`162`	`164`
`163`	`165`	`func (h HashedNode) toDot(parent string, path string) string {`
`164`		`- panic("not implemented") // TODO: Implement`
	`166`	`+ me := fmt.Sprintf("hash%s", path)`
	`167`	`+ ret := fmt.Sprintf("%s [label=\"%x\"]\n", me, h)`
	`168`	`+ ret = fmt.Sprintf("%s %s -> %s\n", ret, parent, me)`
	`169`	`+ return ret`
`165`	`170`	`}`
`166`	`171`
`167`	`172`	`func (h HashedNode) CollectNodes([]byte, NodeFlushFn) error {`