61 lines
1.6 KiB
Solidity
61 lines
1.6 KiB
Solidity
/*
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Copyright 2018 ZeroEx Intl.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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pragma solidity 0.4.24;
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import "../../utils/SafeMath/SafeMath.sol";
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import "./UnlimitedAllowanceERC20Token.sol";
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contract MintableERC20Token is
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SafeMath,
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UnlimitedAllowanceERC20Token
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{
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/// @dev Mints new tokens
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/// @param _to Address of the beneficiary that will own the minted token
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/// @param _value Amount of tokens to mint
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function _mint(address _to, uint256 _value)
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internal
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{
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balances[_to] = safeAdd(_value, balances[_to]);
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_totalSupply = safeAdd(_totalSupply, _value);
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emit Transfer(
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address(0),
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_to,
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_value
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);
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}
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/// @dev Mints new tokens
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/// @param _owner Owner of tokens that will be burned
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/// @param _value Amount of tokens to burn
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function _burn(address _owner, uint256 _value)
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internal
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{
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balances[_owner] = safeSub(balances[_owner], _value);
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_totalSupply = safeSub(_totalSupply, _value);
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emit Transfer(
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_owner,
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address(0),
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_value
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);
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}
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}
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