diff options
author | chriseth <chris@ethereum.org> | 2017-07-05 18:28:15 +0800 |
---|---|---|
committer | chriseth <chris@ethereum.org> | 2017-07-05 18:39:55 +0800 |
commit | ac84b36144f746662e5ddb984d283e053c7d06ba (patch) | |
tree | f50ee438a384e60574a4c28ea32d2b6ae2315795 /test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol | |
parent | 05a26fc98c1201057c618c536ca0537e456c9b15 (diff) | |
download | dexon-solidity-ac84b36144f746662e5ddb984d283e053c7d06ba.tar.gz dexon-solidity-ac84b36144f746662e5ddb984d283e053c7d06ba.tar.zst dexon-solidity-ac84b36144f746662e5ddb984d283e053c7d06ba.zip |
Added various contracts for testing.
Diffstat (limited to 'test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol')
-rw-r--r-- | test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol b/test/compilationTests/zeppelin/crowdsale/CappedCrowdsale.sol new file mode 100644 index 00000000..f04649f3 --- /dev/null +++ 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; + } + +} |