Adding rollback and tests functionallity (#23)

* Adding rollback and tests functionallity

Signed-off-by: Ramon Navarro Bosch <ramon.nb@gmail.com>

* Update .gitignore

Co-authored-by: Andy Lok <andylokandy@hotmail.com>
Signed-off-by: Ramon Navarro Bosch <ramon.nb@gmail.com>

* Update pyproject.toml

Co-authored-by: Andy Lok <andylokandy@hotmail.com>
Signed-off-by: Ramon Navarro Bosch <ramon.nb@gmail.com>

* Rollback returns Ok

Signed-off-by: Ramon Navarro Bosch <ramon.nb@gmail.com>

* Removing tests infra

Signed-off-by: Ramon Navarro Bosch <ramon.nb@gmail.com>

* Clean up

Signed-off-by: Ramon Navarro Bosch <ramon.nb@gmail.com>

Co-authored-by: Andy Lok <andylokandy@hotmail.com>

Author: bloodbare

.gitignore

@@ -2,3 +2,5 @@
 *.so
 __pycache__/
 .vscode
+.python-version
+dist

src/transaction.rs

@@ -384,4 +384,17 @@ impl Transaction {
             Ok(Python::with_gil(|py| timestamp.to_object(py)))
         })
     }
+
+    fn rollback<'p>(&self, py: Python<'p>) -> PyResult<&'p PyAny> {
+        let inner = self.inner.clone();
+        future_into_py(py, async move {
+            inner
+                .write()
+                .await
+                .rollback()
+                .await
+                .map_err(to_py_execption)?;
+            Ok(Python::with_gil(|py| py.None()))
+        })
+    }
 }