diff --git a/pallets/traits/src/exposure.rs b/pallets/traits/src/exposure.rs
new file mode 100644
index 0000000..df8fe78
--- /dev/null
+++ b/pallets/traits/src/exposure.rs
@@ -0,0 +1,7 @@
+use sp_runtime::traits::AtLeast32BitUnsigned;
+
+pub trait ExposureListener<Balance: AtLeast32BitUnsigned, EraIndex, AuthIndex> {
+    fn get_current_era() -> EraIndex;
+    fn get_total_exposure(era: EraIndex) -> Balance;
+    fn get_validator_exposure(index: AuthIndex) -> Balance;
+}
diff --git a/pallets/traits/src/lib.rs b/pallets/traits/src/lib.rs
index 4d8e9f7..619e5b1 100644
--- a/pallets/traits/src/lib.rs
+++ b/pallets/traits/src/lib.rs
@@ -1,3 +1,4 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 
 pub mod networks;
+pub mod exposure;