refac: add bolean arithmetic

contracts/escrow/src/lib.rs

@@ -641,6 +641,16 @@ impl EscrowContract {
         Ok(m.player1_deposited && m.player2_deposited)
     }
 
+    /// Return the number of players who have deposited for a match (0, 1, or 2).
+    pub fn get_depositor_count(env: Env, match_id: u64) -> Result<u32, Error> {
+        let m: Match = env
+            .storage()
+            .persistent()
+            .get(&DataKey::Match(match_id))
+            .ok_or(Error::MatchNotFound)?;
+        Ok(Self::depositor_count(&m) as u32)
+    }
+
     /// Return the total escrowed balance for a match (0, 1x, or 2x stake).
     pub fn get_escrow_balance(env: Env, match_id: u64) -> Result<i128, Error> {
         let m: Match = env
@@ -652,8 +662,7 @@ impl EscrowContract {
             return Ok(0);
         }
         // Count depositors explicitly — avoids fragile bool-to-integer casting.
-        let depositors: i128 = if m.player1_deposited { 1 } else { 0 }
-            + if m.player2_deposited { 1 } else { 0 };
+        let depositors: i128 = Self::depositor_count(&m);
         Ok(depositors * m.stake_amount)
     }
 

contracts/escrow/src/tests.rs

@@ -106,6 +106,29 @@ fn test_deposit_and_activate() {
     assert_eq!(client.get_escrow_balance(&id), 200);
 }
 
+#[test]
+fn test_get_depositor_count_tracks_player_deposits() {
+    let (env, contract_id, _oracle, player1, player2, token, _admin) = setup();
+    let client = EscrowContractClient::new(&env, &contract_id);
+
+    let id = client.create_match(
+        &player1,
+        &player2,
+        &100,
+        &token,
+        &String::from_str(&env, "depositor_count_test"),
+        &Platform::Lichess,
+    );
+
+    assert_eq!(client.get_depositor_count(&id), 0);
+
+    client.deposit(&id, &player1);
+    assert_eq!(client.get_depositor_count(&id), 1);
+
+    client.deposit(&id, &player2);
+    assert_eq!(client.get_depositor_count(&id), 2);
+}
+
 #[test]
 fn test_deposit_emits_activated_event() {
     let (env, contract_id, _oracle, player1, player2, token, _admin) = setup();