Reference Objects

File representation in the Blobber DB.

Reference objects represent the files in the DB of the blobber, for ease of access for validation and other operations.

Some Important Properties

Check the definition of the Ref struct here

Properties	Definition
FileID	ID of the file in the system.
Type	Either file or directory.
AllocationID	ID of the allocation the file belongs to.
LookupHash	Hash of the file path and the allocation ID, used to lookup for the file.
Name	Name of the file.
Path	Full absolute path of the file on the allocation.
FileMetaHash	Hash of file metadata. Used for verification.
Hash	Hash of the file content. Used for verification.
NumBlocks	Number of blocks that belong to the file.
PathHash	Hashed value of the file path. Used for verification.
Size	Size of the file.
FixedMerkleRoot	Calculated hash based on the contents of the file. Used for challenges. Changes only when the file contents changes. Calculated only for files.
MimeType	Mime type of the file.
AllocationRoot	Root hash of the allocation the file belongs to.
ThumbnailHash	Hash of the thumbnail contents.
ThumbnailSize	Size of the thumbnail.
ChunkSize	Size of the chunk of the file stored in this blobber.
NumUpdates	How many times the file was updated (contents changed by owner).
NumBlockDownloads	How many times the file was downloaded.