Module adb 

A collection of authenticated databases (ADB).

Terminology

A key in an authenticated database either has a value or it doesn’t. Two types of operations can be applied to the db to modify the state of a specific key. A key that has a value can change to one without a value through the delete operation. The update operation gives a key a specific value whether it previously had no value or had a different value.

Keys with values are called active. An operation is called active if (1) its key is active, (2) it is an update operation, and (3) it is the most recent operation for that key.

Re-exports

pub use verify::create_multi_proof;

pub use verify::create_proof;

pub use verify::create_proof_store;

pub use verify::create_proof_store_from_digests;

pub use verify::digests_required_for_proof;

pub use verify::extract_pinned_nodes;

pub use verify::verify_multi_proof;

pub use verify::verify_proof;

pub use verify::verify_proof_and_extract_digests;

Modules

any

Authenticated databases (ADBs) that provides succinct proofs of any value ever associated with a key.

current

An authenticated database (ADB) that provides succinct proofs of any value ever associated with a key, and also whether that value is the current value associated with it. Its implementation is based on an Any authenticated database combined with an authenticated Bitmap over the activity status of each operation. The two structures are “grafted” together to minimize proof sizes.

immutable

An authenticated database (ADB) that only supports adding new keyed values (no updates or deletions), where values can have varying sizes.

keyless

The Keyless adb allows for append-only storage of arbitrary variable-length data that can later be retrieved by its location.

sync

Shared sync types and functionality for authenticated databases.

verify

Enums

Error

Errors that can occur when interacting with an authenticated database.