Interface IBlockChainStates

A minimal interface to get states from a .

Note that implements this interface.

Namespace: Libplanet.Action.State

Assembly: Libplanet.Action.dll

Syntax

public interface IBlockChainStates

Methods

GetWorldState(Nullable<HashDigest<SHA256>>)

Returns the IWorldState in the 's state storage with stateRootHash.

Declaration

IWorldState GetWorldState(HashDigest<SHA256>? stateRootHash)

Parameters

Type	Name	Description
Nullable<HashDigest<SHA256>>	stateRootHash	The state root hash for which to create an IWorldState.

Returns

Type	Description
IWorldState	The IWorldState with stateRootHash.

Exceptions

Type	Condition
ArgumentException	Thrown when no ITrie with hash as its state root hash is found.

See Also

IWorldState

GetWorldState(Nullable<BlockHash>)

Returns the IWorldState in the at offset.

Declaration

IWorldState GetWorldState(BlockHash? offset)

Parameters

Type	Name	Description
Nullable<BlockHash>	offset	The BlockHash of the Block to create for which to create an IWorldState.

Returns

Type	Description
IWorldState	The IWorldState at offset.

Exceptions

Type	Condition
ArgumentException	Thrown when offset is not null and one of the following is true. Corresponding Block is not found in the IStore. Corresponding Block is found but its state root is not found in the IStateStore.

See Also

IWorldState