Interface WorldStatePreimageStorage

public interface WorldStatePreimageStorage

Stores and retrieves preimage mappings for the Ethereum world-state trie.

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	WorldStatePreimageStorage.Updater	A write transaction for batching preimage insertions into world state preimage storage.

Method Summary

Modifier and Type	Method	Description
Optional<org.hyperledger.besu.datatypes.Address>	getAccountTrieKeyPreimage(org.apache.tuweni.bytes.Bytes32 trieKey)	Returns the account address preimage for the given account trie key
Optional<org.apache.tuweni.units.bigints.UInt256>	getStorageTrieKeyPreimage(org.apache.tuweni.bytes.Bytes32 trieKey)	Returns the storage slot index preimage for the given storage trie key.
WorldStatePreimageStorage.Updater	updater()	Creates and returns a new WorldStatePreimageStorage.Updater for batching preimage write operations.

Method Details

getStorageTrieKeyPreimage

Optional<org.apache.tuweni.units.bigints.UInt256> getStorageTrieKeyPreimage(org.apache.tuweni.bytes.Bytes32 trieKey)

Returns the storage slot index preimage for the given storage trie key.

Parameters:

trieKey - whose associated with storage index being retrieved

Returns:

an Optional containing the UInt256 slot index, or empty if not found

getAccountTrieKeyPreimage

Optional<org.hyperledger.besu.datatypes.Address> getAccountTrieKeyPreimage(org.apache.tuweni.bytes.Bytes32 trieKey)

Returns the account address preimage for the given account trie key

Parameters:

trieKey - whose associated with the Address is being retrieved

Returns:

an Optional containing the Address, or empty if not found

updater

WorldStatePreimageStorage.Updater updater()

Creates and returns a new WorldStatePreimageStorage.Updater for batching preimage write operations.

Returns:

a new WorldStatePreimageStorage.Updater scoped to a single write transaction