chore: split db abstraction into new crate (#8594)

testing/ef-tests/Cargo.toml

@@ -18,6 +18,7 @@ asm-keccak = ["reth-primitives/asm-keccak"]
 [dependencies]
 reth-primitives.workspace = true
 reth-db = { workspace = true, features = ["mdbx", "test-utils"] }
+reth-db-api.workspace = true
 reth-provider = { workspace = true, features = ["test-utils"] }
 reth-stages.workspace = true
 reth-evm-ethereum.workspace = true

testing/ef-tests/src/models.rs

@@ -1,9 +1,9 @@
 //! Shared models for <https://github.com/ethereum/tests>
 
 use crate::{assert::assert_equal, Error};
-use reth_db::{
+use reth_db::tables;
+use reth_db_api::{
     cursor::DbDupCursorRO,
-    tables,
     transaction::{DbTx, DbTxMut},
 };
 use reth_primitives::{