12345678910111213141516171819202122232425262728293031 |
- pragma solidity ^0.4.11;
- import "./MintableToken.sol";
- /**
- * @title Capped token
- * @dev Mintable token with a token cap.
- */
- contract CappedToken is MintableToken {
- uint256 public cap;
- function CappedToken(uint256 _cap) public {
- require(_cap > 0);
- cap = _cap;
- }
- /**
- * @dev Function to mint tokens
- * @param _to The address that will receive the minted tokens.
- * @param _amount The amount of tokens to mint.
- * @return A boolean that indicates if the operation was successful.
- */
- function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
- require(totalSupply_.add(_amount) <= cap);
- return super.mint(_to, _amount);
- }
- }
|