public static BlobIdentifier Random(HashType hashType = HashType.Vso0)
{
var randomBlob = new byte[32];
ThreadSafeRandom.Generator.NextBytes(randomBlob);
return(CreateFromAlgorithmResult(randomBlob, AlgorithmIdLookup.Find(hashType)));
}
/// <nodoc />
public static bool IsHashTagValid(ContentHash contentHash)
{
bool isValid = true;
var hashTag = contentHash[contentHash.ByteLength - 1];
switch (contentHash.HashType)
{
case HashType.Vso0:
isValid = hashTag == AlgorithmIdLookup.Find(HashType.Vso0);
break;
case HashType.DedupNodeOrChunk:
isValid = hashTag == AlgorithmIdLookup.Find(HashType.DedupNode) || hashTag == AlgorithmIdLookup.Find(HashType.DedupChunk);
break;
case HashType.Murmur:
isValid = hashTag == AlgorithmIdLookup.Find(HashType.Murmur);
break;
default:
throw new ArgumentException($"{contentHash.HashType} is not a tagged hash.");
}
return(isValid);
}
/// <nodoc />
public static NodeDedupIdentifier GetNodeIdentifier(this DedupNode node, HashType hashType)
{
if (node.Type != DedupNode.NodeType.InnerNode)
{
throw new ArgumentException($"The given hash does not represent a {nameof(NodeDedupIdentifier)}");
}
return(new NodeDedupIdentifier(node.Hash, (NodeAlgorithmId)AlgorithmIdLookup.Find(hashType)));
}
/// <nodoc />
public static bool IsHashTagValid(ContentHash contentHash)
{
var hashTag = contentHash[contentHash.ByteLength - 1];
return(contentHash.HashType switch
{
HashType.Vso0 => hashTag == AlgorithmIdLookup.Find(HashType.Vso0),
HashType.DedupNodeOrChunk => hashTag == AlgorithmIdLookup.Find(HashType.DedupNode) ||
hashTag == AlgorithmIdLookup.Find(HashType.DedupChunk),
HashType.Murmur => hashTag == AlgorithmIdLookup.Find(HashType.Murmur),
_ => throw new ArgumentException($"{contentHash.HashType} is not a tagged hash.")
});
