diff --git a/pallets/traits/Cargo.toml b/pallets/traits/Cargo.toml
index c31da82..81906b0 100644
--- a/pallets/traits/Cargo.toml
+++ b/pallets/traits/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ghost-traits"
-version = "0.3.26"
+version = "0.3.27"
 license.workspace = true
 authors.workspace = true
 edition.workspace = true
diff --git a/pallets/traits/src/networks.rs b/pallets/traits/src/networks.rs
index 9cb8374..ba15b3c 100644
--- a/pallets/traits/src/networks.rs
+++ b/pallets/traits/src/networks.rs
@@ -16,6 +16,8 @@ pub trait NetworkDataBasicHandler {
 }
 
 pub trait NetworkDataInspectHandler<Network>: NetworkDataBasicHandler {
+    fn count() -> u32;
+    fn next_network_for_block(b: impl Into<usize>) -> Option<(Self::NetworkId, Network)>;
     fn get(n: &Self::NetworkId) -> Option<Network>;
     fn iter() -> PrefixIterator<(Self::NetworkId, Network)>;
     fn is_nullification_period() -> bool;