fix(coprocessor): restore truncate

Author: PanGan21

coprocessor/fhevm-engine/transaction-sender/tests/common.rs

@@ -88,6 +88,20 @@ impl TestEnvironment {
             .connect(db_instance.db_url())
             .await?;
 
+        Self::truncate_tables(
+            &db_pool,
+            vec![
+                "verify_proofs",
+                "ciphertext_digest",
+                "allowed_handles",
+                "delegate_user_decrypt",
+                "keys",
+                "crs",
+                "host_chains",
+            ],
+        )
+        .await?;
+
         let anvil = Self::new_anvil()?;
         let chain_id =
             get_chain_id(anvil.ws_endpoint_url(), std::time::Duration::from_secs(1)).await;
@@ -167,4 +181,12 @@ impl TestEnvironment {
     fn new_anvil_with_port(port: u16) -> anyhow::Result<AnvilInstance> {
         Ok(Anvil::new().block_time(1).port(port).try_spawn()?)
     }
+
+    async fn truncate_tables(db_pool: &sqlx::PgPool, tables: Vec<&str>) -> Result<(), sqlx::Error> {
+        for table in tables {
+            let query = format!("TRUNCATE {}", table);
+            sqlx::query(&query).execute(db_pool).await?;
+        }
+        Ok(())
+    }
 }