aboutsummaryrefslogtreecommitdiffstats
path: root/contracts/tokens/contracts/ERC20Token/MintableERC20Token.sol
diff options
context:
space:
mode:
Diffstat (limited to 'contracts/tokens/contracts/ERC20Token/MintableERC20Token.sol')
-rw-r--r--contracts/tokens/contracts/ERC20Token/MintableERC20Token.sol60
1 files changed, 60 insertions, 0 deletions
diff --git a/contracts/tokens/contracts/ERC20Token/MintableERC20Token.sol b/contracts/tokens/contracts/ERC20Token/MintableERC20Token.sol
new file mode 100644
index 000000000..1108db53d
--- /dev/null
+++ b/contracts/tokens/contracts/ERC20Token/MintableERC20Token.sol
@@ -0,0 +1,60 @@
+/*
+
+ Copyright 2018 ZeroEx Intl.
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+*/
+
+pragma solidity ^0.4.24;
+
+import "@0x/contracts-utils/contracts/src/SafeMath.sol";
+import "./UnlimitedAllowanceERC20Token.sol";
+
+
+contract MintableERC20Token is
+ SafeMath,
+ UnlimitedAllowanceERC20Token
+{
+ /// @dev Mints new tokens
+ /// @param _to Address of the beneficiary that will own the minted token
+ /// @param _value Amount of tokens to mint
+ function _mint(address _to, uint256 _value)
+ internal
+ {
+ balances[_to] = safeAdd(_value, balances[_to]);
+ _totalSupply = safeAdd(_totalSupply, _value);
+
+ emit Transfer(
+ address(0),
+ _to,
+ _value
+ );
+ }
+
+ /// @dev Mints new tokens
+ /// @param _owner Owner of tokens that will be burned
+ /// @param _value Amount of tokens to burn
+ function _burn(address _owner, uint256 _value)
+ internal
+ {
+ balances[_owner] = safeSub(balances[_owner], _value);
+ _totalSupply = safeSub(_totalSupply, _value);
+
+ emit Transfer(
+ _owner,
+ address(0),
+ _value
+ );
+ }
+}