pub struct ForkedDatabase {
backend: SharedBackend,
cache_db: CacheDB<SharedBackend>,
db: BlockchainDb,
state_snapshots: Arc<Mutex<StateSnapshots<ForkDbStateSnapshot>>>,
}Expand description
a [revm::Database] that’s forked off another client
The backend is used to retrieve (missing) data, which is then fetched from the remote
endpoint. The inner in-memory database holds this storage and will be used for write operations.
This database uses the backend for read and the db for write operations. But note the
backend will also write (missing) data to the db in the background
Fields§
§backend: SharedBackendResponsible for fetching missing data.
This is responsible for getting data.
cache_db: CacheDB<SharedBackend>Cached Database layer, ensures that changes are not written to the database that exclusively stores the state of the remote client.
This separates Read/Write operations
- reads from the
SharedBackend as DatabaseRefwrites to the internal cache storage.
db: BlockchainDbContains all the data already fetched.
This exclusively stores the unchanged remote client state.
state_snapshots: Arc<Mutex<StateSnapshots<ForkDbStateSnapshot>>>Holds the state snapshots of a blockchain.
Implementations§
Source§impl ForkedDatabase
impl ForkedDatabase
Sourcepub fn new(backend: SharedBackend, db: BlockchainDb) -> Self
pub fn new(backend: SharedBackend, db: BlockchainDb) -> Self
Creates a new instance of this DB
pub fn database(&self) -> &CacheDB<SharedBackend>
pub fn database_mut(&mut self) -> &mut CacheDB<SharedBackend>
pub fn state_snapshots( &self, ) -> &Arc<Mutex<StateSnapshots<ForkDbStateSnapshot>>>
Sourcepub fn reset(
&mut self,
_url: Option<String>,
block_number: impl Into<BlockId>,
) -> Result<(), String>
pub fn reset( &mut self, _url: Option<String>, block_number: impl Into<BlockId>, ) -> Result<(), String>
Reset the fork to a fresh forked state, and optionally update the fork config
Sourcepub fn flush_cache(&self)
pub fn flush_cache(&self)
Flushes the cache to disk if configured
Sourcepub fn inner(&self) -> &BlockchainDb
pub fn inner(&self) -> &BlockchainDb
Returns the database that holds the remote state
pub fn create_state_snapshot(&self) -> ForkDbStateSnapshot
pub fn insert_state_snapshot(&self) -> U256
Sourcepub fn revert_state_snapshot(
&mut self,
id: U256,
action: RevertStateSnapshotAction,
) -> bool
pub fn revert_state_snapshot( &mut self, id: U256, action: RevertStateSnapshotAction, ) -> bool
Removes the snapshot from the tracked snapshot and sets it as the current state
Trait Implementations§
Source§impl Clone for ForkedDatabase
impl Clone for ForkedDatabase
Source§fn clone(&self) -> ForkedDatabase
fn clone(&self) -> ForkedDatabase
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source. Read moreSource§impl Database for ForkedDatabase
impl Database for ForkedDatabase
Source§type Error = DatabaseError
type Error = DatabaseError
Source§fn basic(
&mut self,
address: Address,
) -> Result<Option<AccountInfo>, Self::Error>
fn basic( &mut self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>
Source§fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>
fn code_by_hash(&mut self, code_hash: B256) -> Result<Bytecode, Self::Error>
Source§fn storage(
&mut self,
address: Address,
index: U256,
) -> Result<U256, Self::Error>
fn storage( &mut self, address: Address, index: U256, ) -> Result<U256, Self::Error>
Source§fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>
fn block_hash(&mut self, number: u64) -> Result<B256, Self::Error>
Source§impl DatabaseCommit for ForkedDatabase
impl DatabaseCommit for ForkedDatabase
Source§impl DatabaseRef for ForkedDatabase
impl DatabaseRef for ForkedDatabase
Source§type Error = DatabaseError
type Error = DatabaseError
Source§fn basic_ref(
&self,
address: Address,
) -> Result<Option<AccountInfo>, Self::Error>
fn basic_ref( &self, address: Address, ) -> Result<Option<AccountInfo>, Self::Error>
Source§fn code_by_hash_ref(&self, code_hash: B256) -> Result<Bytecode, Self::Error>
fn code_by_hash_ref(&self, code_hash: B256) -> Result<Bytecode, Self::Error>
Source§fn storage_ref(
&self,
address: Address,
index: U256,
) -> Result<U256, Self::Error>
fn storage_ref( &self, address: Address, index: U256, ) -> Result<U256, Self::Error>
Source§fn block_hash_ref(&self, number: u64) -> Result<B256, Self::Error>
fn block_hash_ref(&self, number: u64) -> Result<B256, Self::Error>
Auto Trait Implementations§
impl Freeze for ForkedDatabase
impl !RefUnwindSafe for ForkedDatabase
impl Send for ForkedDatabase
impl Sync for ForkedDatabase
impl Unpin for ForkedDatabase
impl !UnwindSafe for ForkedDatabase
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Size: 224 bytes