public void Extension_can_accept_visitors()
{
ITreeVisitor visitor = Substitute.For <ITreeVisitor>();
TrieVisitContext context = new();
TrieNode ignore = TrieNodeFactory.CreateLeaf(HexPrefix.Leaf("ccc"), Array.Empty <byte>());
TrieNode node = TrieNodeFactory.CreateExtension(HexPrefix.Extension("aa"), ignore);
node.Accept(visitor, NullTrieNodeResolver.Instance, context);
visitor.Received().VisitExtension(node, context);
}
public void Leaf_with_contract_without_storage_and_empty_code_can_accept_visitors()
{
ITreeVisitor visitor = Substitute.For <ITreeVisitor>();
TrieVisitContext context = new();
Account account = new(1, 100, Keccak.EmptyTreeHash, Keccak.OfAnEmptyString);
AccountDecoder decoder = new();
TrieNode node = TrieNodeFactory.CreateLeaf(HexPrefix.Leaf("aa"), decoder.Encode(account).Bytes);
node.Accept(visitor, NullTrieNodeResolver.Instance, context);
visitor.Received().VisitLeaf(node, context, node.Value);
}
public void Leaf_with_simple_account_can_accept_visitors()
{
ITreeVisitor visitor = Substitute.For <ITreeVisitor>();
TrieVisitContext context = new();
Account account = new(100);
AccountDecoder decoder = new();
TrieNode node = TrieNodeFactory.CreateLeaf(HexPrefix.Leaf("aa"), decoder.Encode(account).Bytes);
node.Accept(visitor, NullTrieNodeResolver.Instance, context);
visitor.Received().VisitLeaf(node, context, node.Value);
}
public Context()
{
TiniestLeaf = new TrieNode(NodeType.Leaf);
TiniestLeaf.Key = new HexPrefix(true, 5);
TiniestLeaf.Value = new byte[] { 10 };
HeavyLeaf = new TrieNode(NodeType.Leaf);
HeavyLeaf.Key = new HexPrefix(true, new byte[20]);
HeavyLeaf.Value = Keccak.EmptyTreeHash.Bytes.Concat(Keccak.EmptyTreeHash.Bytes).ToArray();
Account account = new(100);
AccountDecoder decoder = new();
AccountLeaf = TrieNodeFactory.CreateLeaf(
HexPrefix.Leaf("bbb"),
decoder.Encode(account).Bytes);
}
public void Small_child_unresolve()
{
TrieNode child = new(NodeType.Leaf);
child.Value = Bytes.FromHexString("a");
child.Key = HexPrefix.Leaf("b");
child.ResolveKey(NullTrieStore.Instance, false);
child.IsPersisted = true;
TrieNode trieNode = new(NodeType.Extension);
trieNode.SetChild(0, child);
trieNode.Key = HexPrefix.Extension("abcd");
trieNode.ResolveKey(NullTrieStore.Instance, false);
trieNode.PrunePersistedRecursively(2);
trieNode.GetChild(NullTrieStore.Instance, 0).Should().Be(child);
}
public void Batch_not_db_regression()
{
TrieNode child = new(NodeType.Leaf);
child.Key = HexPrefix.Leaf("abc");
child.Value = new byte[200];
child.Seal();
TrieNode trieNode = new(NodeType.Extension);
trieNode.SetChild(0, child);
trieNode.Seal();
ITrieNodeResolver trieStore = Substitute.For <ITrieNodeResolver>();
trieStore.LoadRlp(Arg.Any <Keccak>()).Throws(new TrieException());
child.ResolveKey(trieStore, false);
child.IsPersisted = true;
trieStore.FindCachedOrUnknown(Arg.Any <Keccak>()).Returns(new TrieNode(NodeType.Unknown, child.Keccak !));
trieNode.GetChild(trieStore, 0);
Assert.Throws <TrieException>(() => trieNode.GetChild(trieStore, 0).ResolveNode(trieStore));
}