25 lines
822 B
Solidity
25 lines
822 B
Solidity
pragma solidity ^0.5.0;
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import "../Crowdsale.sol";
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import "../../token/ERC20/ERC20Mintable.sol";
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/**
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* @title MintedCrowdsale
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* @dev Extension of Crowdsale contract whose tokens are minted in each purchase.
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* Token ownership should be transferred to MintedCrowdsale for minting.
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*/
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contract MintedCrowdsale is Crowdsale {
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/**
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* @dev Overrides delivery by minting tokens upon purchase.
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* @param beneficiary Token purchaser
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* @param tokenAmount Number of tokens to be minted
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*/
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function _deliverTokens(address beneficiary, uint256 tokenAmount) internal {
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// Potentially dangerous assumption about the type of the token.
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require(
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ERC20Mintable(address(token())).mint(beneficiary, tokenAmount),
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"MintedCrowdsale: minting failed"
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);
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}
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}
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