Trait cfx_storage::storage_db::snapshot_db_manager::SnapshotDbWriteableTrait

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pub trait SnapshotDbWriteableTrait: KeyValueDbTypes {
    type SnapshotDbBorrowMutType: SnapshotMptTraitRw;

    // Required methods
    fn start_transaction(&mut self) -> Result<()>;
    fn commit_transaction(&mut self) -> Result<()>;
    fn put_kv(
        &mut self,
        key: &[u8],
        value: &<Self::ValueType as DbValueType>::Type
    ) -> Result<Option<Option<Self::ValueType>>>;
    fn open_snapshot_mpt_owned(
        &mut self
    ) -> Result<Self::SnapshotDbBorrowMutType>;
}