From 050b1bda8a45f46c7ff46f2e29fb9943ebf6253f Mon Sep 17 00:00:00 2001
From: conduition <conduition@proton.me>
Date: Sat, 9 Mar 2024 16:28:26 +0000
Subject: [PATCH] check for unregistered players

---
 src/contract/mod.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/contract/mod.rs b/src/contract/mod.rs
index 96701d7..e0a84a1 100644
--- a/src/contract/mod.rs
+++ b/src/contract/mod.rs
@@ -120,11 +120,16 @@ impl ContractParameters {
                 return Err(Error);
             }
 
-            // Check for zero payout weights.
-            for &weight in payout_map.values() {
+            for (player, &weight) in payout_map.iter() {
+                // Check for zero payout weights.
                 if weight == 0 {
                     return Err(Error);
                 }
+
+                // Check for unregistered players.
+                if !self.players.contains(player) {
+                    return Err(Error);
+                }
             }
         }