Merge pull request #1 from OpenZeppelin/master

Merge from master

README.md

@@ -45,7 +45,7 @@ contract MetaCoin is Rejector {
 For more info see [the Truffle Beta package management tutorial](http://truffleframework.com/tutorials/package-management).
 
 ## Security
-Zeppelin is meant to provide secure, tested and community-audited code, but please use common sense when doing anything that deals with real money! We take no responsibility for your implementation decisions.
+Zeppelin is meant to provide secure, tested and community-audited code, but please use common sense when doing anything that deals with real money! We take no responsibility for your implementation decisions and any security problem you might experience.
 
 If you find a security issue, please email [security@openzeppelin.org](mailto:security@openzeppelin.org).
 

contracts/bounties/CrowdsaleTokenBounty.sol

@@ -0,0 +1,38 @@
+pragma solidity ^0.4.0;
+import '../PullPayment.sol';
+import '../token/CrowdsaleToken.sol';
+
+/*
+ * Bounty
+ * This bounty will pay out if you can cause a CrowdsaleToken's balance
+ * to be lower than its totalSupply, which would mean that it doesn't 
+ * have sufficient ether for everyone to withdraw.
+ */
+contract CrowdsaleTokenBounty is PullPayment {
+
+  bool public claimed;
+  mapping(address => address) public researchers;
+
+  function() {
+    if (claimed) throw;
+  }
+
+  function createTarget() returns(CrowdsaleToken) {
+    CrowdsaleToken target = new CrowdsaleToken();
+    researchers[target] = msg.sender;
+    return target;
+  }
+
+  function claim(CrowdsaleToken target) {
+    address researcher = researchers[target];
+    if (researcher == 0) throw;
+    // Check CrowdsaleToken contract invariants
+    // Customize this to the specifics of your contract
+    if (target.totalSupply() == target.balance) {
+      throw;
+    }
+    asyncSend(researcher, this.balance);
+    claimed = true;
+  }
+
+}

contracts/Bounty.sol → contracts/bounties/SimpleTokenBounty.sol

@@ -1,6 +1,6 @@
 pragma solidity ^0.4.0;
-import './PullPayment.sol';
-import './token/SimpleToken.sol';
+import '../PullPayment.sol';
+import '../token/SimpleToken.sol';
 
 /*
  * Bounty
@@ -8,7 +8,7 @@ import './token/SimpleToken.sol';
  * to be lower than its totalSupply, which would mean that it doesn't 
  * have sufficient ether for everyone to withdraw.
  */
-contract Bounty is PullPayment {
+contract SimpleTokenBounty is PullPayment {
 
   bool public claimed;
   mapping(address => address) public researchers;

migrations/2_deploy_contracts.js

@@ -2,7 +2,8 @@ module.exports = function(deployer) {
   deployer.deploy(PullPaymentBid);
   deployer.deploy(BadArrayUse);
   deployer.deploy(ProofOfExistence);
-  deployer.deploy(Bounty);
+  deployer.deploy(SimpleTokenBounty);
+  deployer.deploy(CrowdsaleTokenBounty);
   deployer.deploy(Ownable);
   deployer.deploy(LimitFunds);
 };