feat: impl vote

bguiz · Oct 5, 2020 · 0b031b7 · 0b031b7
1 parent 61345bc
commit 0b031b7
Showing 1 changed file with 10 additions and 3 deletions.
diff --git a/contracts/Election.sol b/contracts/Election.sol
@@ -31,12 +31,19 @@ contract Election {
     function vote (
         uint _candidateId
     ) public {
-        // TODO check that account hasn't voted before
-        // and that candidate is valid
+        // require that they haven't voted before
+        require(
+            !voters[msg.sender]);
+
+        // require a valid candidate
         require(
             _candidateId > 0 &&
             _candidateId <= candidatesCount);
 
-        // TODO record that voter has voted
+        // record that voter has voted
+        voters[msg.sender] = true;
+
+        // update candidate vote Count
+        candidates[_candidateId].voteCount++;
     }
 }