diff --git a/crates/erc20_payment_lib/src/runtime.rs b/crates/erc20_payment_lib/src/runtime.rs
index e5489dba..557c445f 100644
--- a/crates/erc20_payment_lib/src/runtime.rs
+++ b/crates/erc20_payment_lib/src/runtime.rs
@@ -527,6 +527,10 @@ impl PaymentRuntime {
     pub fn network_name(&self, chain_id: i64) -> Option<&str> {
         self.get_chain(chain_id).map(|chain| chain.network.as_str())
     }
+
+    pub fn chains(&self) -> Vec<i64> {
+        self.setup.chain_setup.keys().copied().collect()
+    }
 }
 
 pub async fn remove_last_unsent_transactions(