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authorchriseth <chris@ethereum.org>2017-07-05 18:28:15 +0800
committerchriseth <chris@ethereum.org>2017-07-05 18:39:55 +0800
commitac84b36144f746662e5ddb984d283e053c7d06ba (patch)
treef50ee438a384e60574a4c28ea32d2b6ae2315795 /test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol
parent05a26fc98c1201057c618c536ca0537e456c9b15 (diff)
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Added various contracts for testing.
Diffstat (limited to 'test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol')
-rw-r--r--test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol33
1 files changed, 33 insertions, 0 deletions
diff --git a/test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol b/test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol
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index 00000000..f04649f3
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+++ b/test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol
@@ -0,0 +1,33 @@
+pragma solidity ^0.4.11;
+
+import '../math/SafeMath.sol';
+import './Crowdsale.sol';
+
+/**
+ * @title CappedCrowdsale
+ * @dev Extension of Crowsdale with a max amount of funds raised
+ */
+contract CappedCrowdsale is Crowdsale {
+ using SafeMath for uint256;
+
+ uint256 public cap;
+
+ function CappedCrowdsale(uint256 _cap) {
+ cap = _cap;
+ }
+
+ // overriding Crowdsale#validPurchase to add extra cap logic
+ // @return true if investors can buy at the moment
+ function validPurchase() internal constant returns (bool) {
+ bool withinCap = weiRaised.add(msg.value) <= cap;
+ return super.validPurchase() && withinCap;
+ }
+
+ // overriding Crowdsale#hasEnded to add cap logic
+ // @return true if crowdsale event has ended
+ function hasEnded() public constant returns (bool) {
+ bool capReached = weiRaised >= cap;
+ return super.hasEnded() || capReached;
+ }
+
+}