From 4bfc2ba858103aabdbb818ef714b57dc7728c033 Mon Sep 17 00:00:00 2001
From: Manuel Araoz <manuelaraoz@gmail.com>
Date: Thu, 11 Aug 2016 18:21:15 -0300
Subject: [PATCH] stoppable and stoppablebid example

---
 contracts/Stoppable.sol          | 25 +++++++++++++++++++++++++
 contracts/StoppableBid.sol       | 26 ++++++++++++++++++++++++++
 migrations/2_deploy_contracts.js |  2 --
 3 files changed, 51 insertions(+), 2 deletions(-)
 create mode 100644 contracts/Stoppable.sol
 create mode 100644 contracts/StoppableBid.sol

diff --git a/contracts/Stoppable.sol b/contracts/Stoppable.sol
new file mode 100644
index 000000000..11f4b88b3
--- /dev/null
+++ b/contracts/Stoppable.sol
@@ -0,0 +1,25 @@
+/*
+ * Stoppable
+ */
+contract Stoppable {
+  address public curator;
+  bool public stopped;
+
+  modifier stopInEmergency { if (!stopped) _ }
+  modifier onlyInEmergency { if (stopped) _ }
+
+  function Stoppable(address _curator) {
+		if (_curator == 0) {
+      throw;
+    }
+    curator = _curator;
+  }
+
+  function emergencyStop() external {
+    if (msg.sender != curator) {
+      throw;
+    }
+    stopped = true;
+  }
+
+}
diff --git a/contracts/StoppableBid.sol b/contracts/StoppableBid.sol
new file mode 100644
index 000000000..fa5ac0707
--- /dev/null
+++ b/contracts/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);
+  }
+
+}
diff --git a/migrations/2_deploy_contracts.js b/migrations/2_deploy_contracts.js
index 1cb418de3..86e1b0b12 100644
--- a/migrations/2_deploy_contracts.js
+++ b/migrations/2_deploy_contracts.js
@@ -1,6 +1,4 @@
 module.exports = function(deployer) {
-  deployer.deploy(BadFailEarly);
-  deployer.deploy(GoodFailEarly);
   deployer.deploy(PullPaymentBid);
   deployer.deploy(BadArrayUse);
   deployer.deploy(Bounty);