public bool Put(byte[] key, byte[] value)
{
if (key.Length > ExtensionNode.MaxKeyLength)
{
throw new ArgumentOutOfRangeException("key out of mpt limit");
}
if (value.Length > LeafNode.MaxValueLength)
{
throw new ArgumentOutOfRangeException("value out of mpt limit");
}
var path = key.ToNibbles();
if (value.Length == 0)
{
return(TryDelete(ref root, path));
}
var n = new LeafNode(value);
return(Put(ref root, path, n));
}
public static MPTNode Decode(byte[] data)
{
if (data is null || data.Length == 0)
{
return(null);
}
MPTNode node;
using (BinaryReader reader = new BinaryReader(new MemoryStream(data, false), Encoding.UTF8))
{
var nodeType = (NodeType)reader.ReadByte();
switch (nodeType)
{
case NodeType.BranchNode:
{
node = new BranchNode();
break;
}
case NodeType.ExtensionNode:
{
node = new ExtensionNode();
break;
}
case NodeType.LeafNode:
{
node = new LeafNode();
break;
}
default:
throw new System.InvalidOperationException();
}
node.DecodeSpecific(reader);
}
return(node);
}