fuel_core::state::historical_rocksdb

Struct HistoricalRocksDB

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pub struct HistoricalRocksDB<Description> { /* private fields */ }

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impl<Description> HistoricalRocksDB<Description>
where Description: DatabaseDescription,

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pub fn new( db: RocksDb<Historical<Description>>, state_rewind_policy: StateRewindPolicy, ) -> DatabaseResult<Self>

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pub fn default_open<P: AsRef<Path>>( path: P, capacity: Option<usize>, state_rewind_policy: StateRewindPolicy, ) -> DatabaseResult<Self>

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pub fn latest_view(&self) -> RocksDb<Description>

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pub fn create_view_at( &self, height: &Description::Height, ) -> StorageResult<ViewAtHeight<Description>>

Trait Implementations§

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impl<Description: Debug> Debug for HistoricalRocksDB<Description>

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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<Description> IterableStore for HistoricalRocksDB<Description>
where Description: DatabaseDescription,

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fn iter_store( &self, column: Self::Column, prefix: Option<&[u8]>, start: Option<&[u8]>, direction: IterDirection, ) -> BoxedIter<'_, KVItem>

Returns an iterator over the values in the storage.
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fn iter_store_keys( &self, column: Self::Column, prefix: Option<&[u8]>, start: Option<&[u8]>, direction: IterDirection, ) -> BoxedIter<'_, KeyItem>

Returns an iterator over keys in the storage.
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impl<Description> KeyValueInspect for HistoricalRocksDB<Description>
where Description: DatabaseDescription,

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type Column = <Description as DatabaseDescription>::Column

The type of the column.
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fn exists(&self, key: &[u8], column: Self::Column) -> StorageResult<bool>

Checks if the value exists in the storage.
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fn size_of_value( &self, key: &[u8], column: Self::Column, ) -> StorageResult<Option<usize>>

Returns the size of the value in the storage.
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fn get(&self, key: &[u8], column: Self::Column) -> StorageResult<Option<Value>>

Returns the value from the storage.
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fn read( &self, key: &[u8], column: Self::Column, buf: &mut [u8], ) -> StorageResult<Option<usize>>

Reads the value from the storage into the buf and returns the number of read bytes.
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impl<Description> TransactableStorage<<Description as DatabaseDescription>::Height> for HistoricalRocksDB<Description>
where Description: DatabaseDescription,

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fn commit_changes( &self, height: Option<Description::Height>, changes: Changes, ) -> StorageResult<()>

Commits the changes into the storage.
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fn view_at_height( &self, height: &Description::Height, ) -> StorageResult<KeyValueView<ColumnType<Description>>>

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fn latest_view( &self, ) -> StorageResult<IterableKeyValueView<ColumnType<Description>>>

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fn rollback_block_to(&self, height: &Description::Height) -> StorageResult<()>

Auto Trait Implementations§

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impl<Description> Freeze for HistoricalRocksDB<Description>

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impl<Description> !RefUnwindSafe for HistoricalRocksDB<Description>

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impl<Description> Send for HistoricalRocksDB<Description>
where Description: Send,

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impl<Description> Sync for HistoricalRocksDB<Description>
where Description: Sync,

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impl<Description> Unpin for HistoricalRocksDB<Description>
where Description: Unpin,

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impl<Description> !UnwindSafe for HistoricalRocksDB<Description>

Blanket Implementations§

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impl<T> Any for T
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fn iter_table_keys<P>( &self, prefix: Option<P>, start: Option<&<M as Mappable>::Key>, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<<M as Mappable>::OwnedKey, Error>>
where P: AsRef<[u8]>,

Returns an iterator over the all keys in the table with a prefix after a specific start key.
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fn iter_table<P>( &self, prefix: Option<P>, start: Option<&<M as Mappable>::Key>, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<(<M as Mappable>::OwnedKey, <M as Mappable>::OwnedValue), Error>>
where P: AsRef<[u8]>,

Returns an iterator over the all entries in the table with a prefix after a specific start key.
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fn iter_all_keys<M>( &self, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<<M as Mappable>::OwnedKey, Error>>
where M: Mappable, Self: IterableTable<M>,

Returns an iterator over the all keys in the table.
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fn iter_all_by_prefix_keys<M, P>( &self, prefix: Option<P>, ) -> BoxedIter<'_, Result<<M as Mappable>::OwnedKey, Error>>
where M: Mappable, P: AsRef<[u8]>, Self: IterableTable<M>,

Returns an iterator over the all keys in the table with the specified prefix.
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fn iter_all_by_start_keys<M>( &self, start: Option<&<M as Mappable>::Key>, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<<M as Mappable>::OwnedKey, Error>>
where M: Mappable, Self: IterableTable<M>,

Returns an iterator over the all keys in the table after a specific start key.
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fn iter_all_filtered_keys<M, P>( &self, prefix: Option<P>, start: Option<&<M as Mappable>::Key>, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<<M as Mappable>::OwnedKey, Error>>
where M: Mappable, P: AsRef<[u8]>, Self: IterableTable<M>,

Returns an iterator over the all keys in the table with a prefix after a specific start key.
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where M: Mappable, Self: IterableTable<M>,

Returns an iterator over the all entries in the table.
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fn iter_all_by_prefix<M, P>( &self, prefix: Option<P>, ) -> BoxedIter<'_, Result<(<M as Mappable>::OwnedKey, <M as Mappable>::OwnedValue), Error>>
where M: Mappable, P: AsRef<[u8]>, Self: IterableTable<M>,

Returns an iterator over the all entries in the table with the specified prefix.
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fn iter_all_by_start<M>( &self, start: Option<&<M as Mappable>::Key>, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<(<M as Mappable>::OwnedKey, <M as Mappable>::OwnedValue), Error>>
where M: Mappable, Self: IterableTable<M>,

Returns an iterator over the all entries in the table after a specific start key.
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fn iter_all_filtered<M, P>( &self, prefix: Option<P>, start: Option<&<M as Mappable>::Key>, direction: Option<IterDirection>, ) -> BoxedIter<'_, Result<(<M as Mappable>::OwnedKey, <M as Mappable>::OwnedValue), Error>>
where M: Mappable, P: AsRef<[u8]>, Self: IterableTable<M>,

Returns an iterator over the all entries in the table with a prefix after a specific start key.
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Returns the read transaction without ability to commit the changes.
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