tidy up

contracts/examples/StoppableBid.sol

@@ -0,0 +1,26 @@
+import './PullPaymentCapable.sol';
+import './Stoppable.sol';
+
+contract StoppableBid is Stoppable, PullPaymentCapable {
+  address public highestBidder;
+  uint public highestBid;
+
+  function StoppableBid(address _curator)
+    Stoppable(_curator)
+    PullPaymentCapable() {}
+
+  function bid() external stopInEmergency {
+    if (msg.value <= highestBid) throw;
+    
+    if (highestBidder != 0) {
+      asyncSend(highestBidder, highestBid);
+    }
+    highestBidder = msg.sender;
+    highestBid = msg.value;
+  }
+
+  function withdraw() onlyInEmergency {
+    suicide(curator);
+  }
+
+}