30 lines
957 B
Solidity
30 lines
957 B
Solidity
pragma solidity ^0.5.2;
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import "../Crowdsale.sol";
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import "../../access/roles/WhitelistedRole.sol";
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/**
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* @title WhitelistCrowdsale
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* @dev Crowdsale in which only whitelisted users can contribute.
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*/
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contract WhitelistCrowdsale is Initializable, WhitelistedRole, Crowdsale {
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function initialize(address sender) public initializer {
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WhitelistedRole.initialize(sender);
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assert(Crowdsale._hasBeenInitialized());
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}
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/**
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* @dev Extend parent behavior requiring beneficiary to be whitelisted. Note that no
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* restriction is imposed on the account sending the transaction.
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* @param _beneficiary Token beneficiary
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* @param _weiAmount Amount of wei contributed
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*/
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function _preValidatePurchase(address _beneficiary, uint256 _weiAmount) internal view {
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require(isWhitelisted(_beneficiary));
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super._preValidatePurchase(_beneficiary, _weiAmount);
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}
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uint256[50] private ______gap;
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}
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