pragma solidity ^0.4.24; import "../token/ERC20/IERC20.sol"; import "../crowdsale/distribution/PostDeliveryCrowdsale.sol"; contract PostDeliveryCrowdsaleImpl is PostDeliveryCrowdsale { constructor ( uint256 openingTime, uint256 closingTime, uint256 rate, address wallet, IERC20 token ) public TimedCrowdsale(openingTime, closingTime) Crowdsale(rate, wallet, token) { } }