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DatabaseProviderRW

reth_provider::providers

Struct DatabaseProviderRW 

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pub struct DatabaseProviderRW<DB: Database, N: NodeTypes>(pub DatabaseProvider<<DB as Database>::TXMut, N>);
Expand description

A DatabaseProvider that holds a read-write database transaction.

Ideally this would be an alias type. However, there’s some weird compiler error (https://github.com/rust-lang/rust/issues/102211), that forces us to wrap this in a struct instead. Once that issue is solved, we can probably revert back to being an alias type.

Tuple Fields§

§0: DatabaseProvider<<DB as Database>::TXMut, N>

Implementations§

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impl<DB: Database, N: NodeTypes> DatabaseProviderRW<DB, N>

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pub fn commit(self) -> ProviderResult<()>

Commit database transaction and static file if it exists.

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pub fn into_tx(self) -> <DB as Database>::TXMut

Consume DbTx or DbTxMut.

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pub const fn with_minimum_pruning_distance(self, distance: u64) -> Self

Available on crate features test-utils only.

Override the minimum pruning distance for testing purposes.

Methods from Deref<Target = DatabaseProvider<<DB as Database>::TXMut, N>>§

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pub fn prune_modes_ref(&self) -> &PruneModes

Returns reference to prune modes.

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pub fn latest<'a>(&'a self) -> Box<dyn StateProvider + 'a>

State provider for latest state

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pub fn set_prune_modes(&mut self, prune_modes: PruneModes)

Available on crate feature test-utils only.

Sets the prune modes for provider.

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pub fn with_rocksdb_batch<F, R>(&self, f: F) -> ProviderResult<R>
where F: FnOnce(RocksBatchArg<'_>) -> ProviderResult<(R, Option<RawRocksDBBatch>)>,

Executes a closure with a RocksDB batch, automatically registering it for commit.

This helper encapsulates all the cfg-gated RocksDB batch handling.

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pub fn save_blocks( &self, input: &SaveBlocksInput<N::Primitives>, ) -> ProviderResult<()>

Advances the independent persistence frontiers described by SaveBlocksInput.

Ordinary block data and hashed-state/trie updates advance independently according to the ranges derived by the input.

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pub fn unwind_trie_state_from(&self, from: BlockNumber) -> ProviderResult<()>

Unwinds trie state starting at and including the given block.

This includes calculating the resulted state root and comparing it with the parent block state root.

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pub fn tx_mut(&mut self) -> &mut TX

Pass DbTx or DbTxMut mutable reference.

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pub fn tx_ref(&self) -> &TX

Pass DbTx or DbTxMut immutable reference.

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pub fn chain_spec(&self) -> &N::ChainSpec

Returns a reference to the chain specification.

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pub fn anchor_pruned_static_files( &self, pivot: BlockNumber, ) -> ProviderResult<()>

Deletes the transaction, receipt, sender and changeset static files and restarts each segment after pivot, so the next block appended is pivot + 1. Headers are kept.

Each segment gets an empty file anchored at pivot. Blocks below it read as expired history although the pruner never ran, and pivot itself reads as missing since nothing is stored for it.

CAUTION: destructive. The files are deleted immediately, while the anchor is written on commit. The caller moves the stage and prune checkpoints to pivot in the same commit and must be able to resume if the process stops between the static file and database commits. Errors unless storage v2 is enabled.

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pub fn ensure_snap_sync_layout(&self) -> ProviderResult<()>

Refuses snap sync on a database without the hashed state layout it downloads into.

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pub fn snap_bootstraps(&self) -> ProviderResult<bool>

Returns whether snap sync bootstraps this database: an attempt is left to finish or replace, or nothing has executed past genesis.

Call this after genesis is initialized: until then the cached settings fall back to the legacy layout and no execution checkpoint exists.

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pub fn ensure_sync_mode(&self, snap_enabled: bool) -> ProviderResult<()>

Refuses a database the selected sync can’t continue: snap needs the hashed state layout when it bootstraps, and only snap can finish or replace an unverified snap attempt.

Call this after genesis is initialized, see Self::snap_bootstraps.

Trait Implementations§

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impl<DB: Database, N: NodeTypes> AsRef<DatabaseProvider<<DB as Database>::TXMut, N>> for DatabaseProviderRW<DB, N>

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fn as_ref(&self) -> &DatabaseProvider<<DB as Database>::TXMut, N>

Converts this type into a shared reference of the (usually inferred) input type.
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impl<DB: Debug + Database, N: Debug + NodeTypes> Debug for DatabaseProviderRW<DB, N>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl<DB: Database, N: NodeTypes> Deref for DatabaseProviderRW<DB, N>

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type Target = DatabaseProvider<<DB as Database>::TXMut, N>

The resulting type after dereferencing.
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fn deref(&self) -> &Self::Target

Dereferences the value.
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impl<DB: Database, N: NodeTypes> DerefMut for DatabaseProviderRW<DB, N>

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fn deref_mut(&mut self) -> &mut Self::Target

Mutably dereferences the value.
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impl<DB: Database, N: NodeTypes> From<DatabaseProviderRW<DB, N>> for DatabaseProvider<<DB as Database>::TXMut, N>

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fn from(provider: DatabaseProviderRW<DB, N>) -> Self

Converts to this type from the input type.

Auto Trait Implementations§

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impl<DB, N> !Freeze for DatabaseProviderRW<DB, N>

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impl<DB, N> !RefUnwindSafe for DatabaseProviderRW<DB, N>

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impl<DB, N> !UnwindSafe for DatabaseProviderRW<DB, N>

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impl<DB, N> Send for DatabaseProviderRW<DB, N>
where DatabaseProvider<<DB as Database>::TXMut, N>: Send,

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impl<DB, N> Sync for DatabaseProviderRW<DB, N>
where DatabaseProvider<<DB as Database>::TXMut, N>: Sync,

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impl<DB, N> Unpin for DatabaseProviderRW<DB, N>
where DatabaseProvider<<DB as Database>::TXMut, N>: Unpin,

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impl<DB, N> UnsafeUnpin for DatabaseProviderRW<DB, N>
where DatabaseProvider<<DB as Database>::TXMut, N>: UnsafeUnpin,

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fn from(t: T) -> T

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impl<TxEnv, T> FromRecoveredTx<&T> for TxEnv
where TxEnv: FromRecoveredTx<T>,

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fn from_recovered_tx(tx: &&T, sender: Address) -> TxEnv

Builds a [TxEnv] from a transaction and a sender address.
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impl<TxEnv, T> FromTxWithEncoded<&T> for TxEnv
where TxEnv: FromTxWithEncoded<T>,

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fn from_encoded_tx(tx: &&T, sender: Address, encoded: Bytes) -> TxEnv

Builds a [TxEnv] from a transaction, its sender, and encoded transaction bytes.
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