diff --git a/Cargo.lock b/Cargo.lock
index 0b5d93a2be3..370cfca523d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7831,6 +7831,7 @@ dependencies = [
  "colored 3.0.0",
  "ethers",
  "ethers-core",
+ "mockall",
  "papyrus_config",
  "pretty_assertions",
  "serde",
diff --git a/crates/papyrus_base_layer/Cargo.toml b/crates/papyrus_base_layer/Cargo.toml
index b322a078fd7..9d73eaadfd6 100644
--- a/crates/papyrus_base_layer/Cargo.toml
+++ b/crates/papyrus_base_layer/Cargo.toml
@@ -16,6 +16,7 @@ alloy = { workspace = true, features = ["contract", "json-rpc", "rpc-types"] }
 async-trait.workspace = true
 colored = { workspace = true, optional = true }
 ethers.workspace = true
+mockall.workspace = true
 papyrus_config.workspace = true
 serde.workspace = true
 starknet-types-core.workspace = true
diff --git a/crates/papyrus_base_layer/src/ethereum_base_layer_contract.rs b/crates/papyrus_base_layer/src/ethereum_base_layer_contract.rs
index d5b35ac6fe3..da5e7a8bc82 100644
--- a/crates/papyrus_base_layer/src/ethereum_base_layer_contract.rs
+++ b/crates/papyrus_base_layer/src/ethereum_base_layer_contract.rs
@@ -92,10 +92,10 @@ impl BaseLayerContract for EthereumBaseLayerContract {
         self.get_proved_block_at(ethereum_block_number).await.map(Some)
     }
 
-    async fn events(
-        &self,
+    async fn events<'a>(
+        &'a self,
         block_range: RangeInclusive<u64>,
-        events: &[&str],
+        events: &'a [&'a str],
     ) -> EthereumBaseLayerResult<Vec<L1Event>> {
         let filter = EthEventFilter::new().select(block_range).events(events);
 
diff --git a/crates/papyrus_base_layer/src/lib.rs b/crates/papyrus_base_layer/src/lib.rs
index 640c0ce51f3..d0fe8f59ebe 100644
--- a/crates/papyrus_base_layer/src/lib.rs
+++ b/crates/papyrus_base_layer/src/lib.rs
@@ -3,11 +3,14 @@ use std::fmt::{Debug, Display};
 use std::ops::RangeInclusive;
 
 use async_trait::async_trait;
+#[cfg(test)]
+use mockall::automock;
 use serde::{Deserialize, Serialize};
 use starknet_api::block::BlockHashAndNumber;
 use starknet_api::core::{ContractAddress, EntryPointSelector, EthAddress, Nonce};
 use starknet_api::transaction::fields::{Calldata, Fee};
 use starknet_api::transaction::L1HandlerTransaction;
+use thiserror::Error;
 
 pub mod constants;
 pub mod ethereum_base_layer_contract;
@@ -22,7 +25,11 @@ mod base_layer_test;
 
 pub type L1BlockNumber = u64;
 
+#[derive(Debug, Error)]
+pub enum MockError {}
+
 /// Interface for getting data from the Starknet base contract.
+#[cfg_attr(test, automock(type Error = MockError;))]
 #[async_trait]
 pub trait BaseLayerContract {
     type Error: Error + Display + Debug;
@@ -55,10 +62,10 @@ pub trait BaseLayerContract {
     ) -> Result<Option<L1BlockReference>, Self::Error>;
 
     /// Get specific events from the Starknet base contract between two L1 block numbers.
-    async fn events(
-        &self,
+    async fn events<'a>(
+        &'a self,
         block_range: RangeInclusive<L1BlockNumber>,
-        event_identifiers: &[&str],
+        event_identifiers: &'a [&'a str],
     ) -> Result<Vec<L1Event>, Self::Error>;
 
     async fn get_price_sample(