Jail validators for inactivity

apps/src/lib/config/genesis/chain.rs

@@ -334,6 +334,8 @@ impl Finalized {
             light_client_attack_min_slash_rate,
             cubic_slashing_window_length,
             validator_stake_threshold,
+            liveness_window_check,
+            liveness_threshold,
         } = self.parameters.pos_params.clone();
 
         namada::proof_of_stake::parameters::PosParams {
@@ -350,6 +352,8 @@ impl Finalized {
                 light_client_attack_min_slash_rate,
                 cubic_slashing_window_length,
                 validator_stake_threshold,
+                liveness_window_check,
+                liveness_threshold,
             },
             max_proposal_period: self.parameters.gov_params.max_proposal_period,
         }

apps/src/lib/config/genesis/templates.rs

@@ -400,6 +400,12 @@ pub struct PosParams {
     /// The minimum amount of bonded tokens that a validator needs to be in
     /// either the `consensus` or `below_capacity` validator sets
     pub validator_stake_threshold: token::Amount,
+    /// The length, in blocks, of the sliding window for consensus validators
+    /// inactivity verification
+    pub liveness_window_check: u64,
+    /// The minimum required activity of consensus validators, in percentage,
+    /// over the `liveness_window_check`
+    pub liveness_threshold: Dec,
 }
 
 #[derive(