public MPTNode Clone()
{
switch (type)
{
case NodeType.BranchNode:
var n = new MPTNode
{
type = type,
Reference = Reference,
Children = new MPTNode[BranchChildCount],
};
for (int i = 0; i < BranchChildCount; i++)
{
n.Children[i] = Children[i].CloneAsChild();
}
return(n);
case NodeType.ExtensionNode:
return(new MPTNode
{
type = type,
Key = (byte[])Key.Clone(),
Next = Next.CloneAsChild(),
Reference = Reference,
});
case NodeType.LeafNode:
return(new MPTNode
{
type = type,
Value = (byte[])Value.Clone(),
Reference = Reference,
});
case NodeType.HashNode:
case NodeType.Empty:
return(this);
default:
throw new InvalidOperationException(nameof(Clone));
}
}
