github.com/klaytn/klaytn@v1.12.1/contracts/sc_erc20/sc_token.sol (about)

     1  // Copyright 2019 The klaytn Authors
     2  // This file is part of the klaytn library.
     3  //
     4  // The klaytn library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The klaytn library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the klaytn library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  pragma solidity 0.5.6;
    18  
    19  import "../externals/openzeppelin-solidity/contracts/token/ERC20/ERC20.sol";
    20  import "../externals/openzeppelin-solidity/contracts/token/ERC20/ERC20Mintable.sol";
    21  import "../externals/openzeppelin-solidity/contracts/token/ERC20/ERC20Burnable.sol";
    22  
    23  import "../externals/openzeppelin-solidity/contracts/utils/Address.sol";
    24  import "./ERC20ServiceChain.sol";
    25  
    26  
    27  contract ServiceChainToken is ERC20, ERC20Mintable, ERC20Burnable, ERC20ServiceChain {
    28      string public constant NAME = "ServiceChainToken";
    29      string public constant SYMBOL = "SCT";
    30      uint8 public constant DECIMALS = 18;
    31  
    32      // one billion in initial supply
    33      uint256 public constant INITIAL_SUPPLY = 1000000000 * (10 ** uint256(DECIMALS));
    34  
    35      constructor(address _bridge) ERC20ServiceChain(_bridge) public {
    36          _mint(msg.sender, INITIAL_SUPPLY);
    37      }
    38  }