pragma solidity ^0.5.0; import "../token/ERC20/IERC20.sol"; import "../crowdsale/validation/CappedCrowdsale.sol"; contract CappedCrowdsaleImpl is CappedCrowdsale { constructor (uint256 rate, address payable wallet, IERC20 token, uint256 cap) public { Crowdsale.initialize(rate, wallet, token); CappedCrowdsale.initialize(cap); } }