fix seed call

Author: patrick-ogrady

chain/src/actors/application/supervisor.rs

@@ -1,6 +1,7 @@
 use alto_types::leader_index;
 use commonware_consensus::{
-    threshold_simplex::types::View, Supervisor as Su, ThresholdSupervisor as TSu,
+    threshold_simplex::types::{Seed, View},
+    Supervisor as Su, ThresholdSupervisor as TSu,
 };
 use commonware_cryptography::{
     bls12381::primitives::{
@@ -66,8 +67,8 @@ impl TSu for Supervisor {
     type Identity = poly::Public;
     type Share = group::Share;
 
-    fn leader(&self, _: Self::Index, seed: Self::Seed) -> Option<Self::PublicKey> {
-        let seed = seed.serialize();
+    fn leader(&self, view: Self::Index, seed: Self::Seed) -> Option<Self::PublicKey> {
+        let seed = Seed::new(view, seed);
         let index = leader_index(&seed, self.participants.len());
         Some(self.participants[index].clone())
     }

types/src/consensus.rs

@@ -3,7 +3,7 @@ use commonware_consensus::threshold_simplex::types::Seed;
 use commonware_utils::modulo;
 
 /// The leader for a given seed is determined by the modulo of the seed with the number of participants.
-pub fn leader_index(seed: Seed, participants: usize) -> usize {
+pub fn leader_index(seed: &Seed, participants: usize) -> usize {
     let signature = seed.signature.encode().freeze();
     modulo(&signature, participants as u64) as usize
 }

types/src/wasm.rs

@@ -124,5 +124,5 @@ pub fn parse_block(bytes: Vec<u8>) -> JsValue {
 #[wasm_bindgen]
 pub fn leader_index(seed: Vec<u8>, participants: usize) -> usize {
     let seed = Seed::decode(seed.as_ref()).unwrap();
-    compute_leader_index(seed, participants)
+    compute_leader_index(&seed, participants)
 }