Class TrieStateStore

An IStateStore implementation. It stores states with MerkleTrie.

Inheritance
Object
TrieStateStore
Implements
IDisposable
Namespace: Libplanet.Store
Assembly: Libplanet.dll
Syntax
public class TrieStateStore : object, IStateStore, IDisposable

Constructors

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TrieStateStore(IKeyValueStore, Boolean)

Creates a new TrieStateStore.

Declaration
public TrieStateStore(IKeyValueStore stateKeyValueStore, bool secure = false)
Parameters
Type Name Description
IKeyValueStore stateKeyValueStore

The storage to store states. It used by MerkleTrie in internal.
Boolean secure

Whether to use MerkleTrie in secure mode. Libplanet.Store.Trie.MerkleTrie.#ctor(Libplanet.Store.Trie.IKeyValueStore,Libplanet.Store.Trie.Nodes.INode,System.Boolean).

Methods

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Dispose()

Declaration
public void Dispose()
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GetStateRoot(Nullable<HashDigest<SHA256>>)

Gets the state root trie of the stateRootHash from the state store.

Declaration
public ITrie GetStateRoot(HashDigest<SHA256>? stateRootHash)
Parameters
Type Name Description
Nullable<HashDigest<SHA256>> stateRootHash

The state root hash of the state root trie to get. If null is passed the empty state root trie is returned.
Returns
Type Description
ITrie

The state root trie of the stateRootHash. If null is passed the empty state root trie is returned.
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PruneStates(IImmutableSet<HashDigest<SHA256>>)

Prunes the states no more used from the state store.

Declaration
public void PruneStates(IImmutableSet<HashDigest<SHA256>> survivingStateRootHashes)
Parameters
Type Name Description
IImmutableSet<HashDigest<SHA256>> survivingStateRootHashes

The state root hashes not to prune. These state root hashes are guaranteed to survive after pruning.

Implements

IDisposable