Update clientreceipt.sol

clientreceipt/clientreceipt.sol

@@ -1,48 +1,52 @@
+pragma solidity ^0.4.10;
 import "owned";
-
 contract killswitch is owned {
+          /* State variables */
+  bool isOpen;
+  address keyholder;
+  address executive;
+        /* Modifiers */
+  modifier restricted {
+  require(msg.sender == owner || (isOpen && msg.sender == executive));
+  _;
+  }
+        /* Events */
   event NomineesChanged(address keyholder, address executive);
   event BoxOpened();
   event BoxClosed();
+        /* Methods */
   function nominate(address _keyholder, address _executive) onlyowner {
   keyholder = _keyholder;
   executive = _executive;
   NomineesChanged(keyholder, executive);
   }
-
   function open() {
-    if (msg.sender == owner || msg.sender == keyholder) {
+    require(msg.sender == owner || msg.sender == keyholder) {
       isOpen = true;
       BoxOpened();
     }
   }
   function close() {
-    if (msg.sender == owner || msg.sender == keyholder) {
+    require(msg.sender == owner || msg.sender == keyholder) {
       isOpen = false;
       BoxClosed();
     }
   }
-  modifier restricted {
-  if (msg.sender == owner || (isOpen && msg.sender == executive)) {
-    _
-  }
-  }
 
-  bool isOpen;
-  address keyholder;
-  address executive;
 }
 
 contract ClientReceipt is owned, killswitch {
+        /* Events */
   event AnonymousDeposit(address indexed _from, uint _value);
   event Deposit(address indexed _from, bytes32 _id, uint _value);
   event Refill(address indexed _from, uint _value);
   event Withdraw(address indexed _from, address indexed _to, uint _value);
   event Drain(address indexed _from, address indexed _to, uint _value);
-
-  function() {
+        /* fallback function */
+  function() payable {
     AnonymousDeposit(msg.sender, msg.value);
   }
+        /* Methods */
   function deposit(bytes32 _id) {
     Deposit(msg.sender, _id, msg.value);
   }
@@ -57,4 +61,4 @@ contract ClientReceipt is owned, killswitch {
     _to.send(_value);
     Drain(msg.sender, _to, _value);
   }
-}
+}