pragma solidity ^0.4.23; import "../crowdsale/validation/CappedCrowdsale.sol"; import "../crowdsale/distribution/RefundableCrowdsale.sol"; import "../crowdsale/emission/MintedCrowdsale.sol"; import "../token/ERC20/MintableToken.sol"; /** * @title SampleCrowdsaleToken * @dev Very simple ERC20 Token that can be minted. * It is meant to be used in a crowdsale contract. */ contract SampleCrowdsaleToken is MintableToken { // solium-disable-next-line uppercase string public constant name = "Sample Crowdsale Token"; string public constant symbol = "SCT"; // solium-disable-line uppercase uint8 public constant decimals = 18; // solium-disable-line uppercase } /** * @title SampleCrowdsale * @dev This is an example of a fully fledged crowdsale. * The way to add new features to a base crowdsale is by multiple inheritance. * In this example we are providing following extensions: * CappedCrowdsale - sets a max boundary for raised funds * RefundableCrowdsale - set a min goal to be reached and returns funds if it's not met * * After adding multiple features it's good practice to run integration tests * to ensure that subcontracts works together as intended. */ // XXX There doesn't seem to be a way to split this line that keeps solium // happy. See: // https://github.com/duaraghav8/Solium/issues/205 // --elopio - 2018-05-10 // solium-disable-next-line max-len contract SampleCrowdsale is CappedCrowdsale, RefundableCrowdsale, MintedCrowdsale { constructor( uint256 _openingTime, uint256 _closingTime, uint256 _rate, address _wallet, uint256 _cap, MintableToken _token, uint256 _goal ) public Crowdsale(_rate, _wallet, _token) CappedCrowdsale(_cap) TimedCrowdsale(_openingTime, _closingTime) RefundableCrowdsale(_goal) { //As goal needs to be met for a successful crowdsale //the value needs to less or equal than a cap which is limit for accepted funds require(_goal <= _cap); } }