cic-contracts/python-contract-interfaces/cic_contracts/unittest/solidity/BurnerTest.sol

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2023-06-09 10:44:03 +02:00
pragma solidity >=0.6.3;
// Author: Louis Holbrook <dev@holbrook.no> 0826EDA1702D1E87C6E2875121D2E7BB88C2A746
// SPDX-License-Identifier: AGPL-3.0-or-later
contract MinterTest {
uint256 public totalMinted;
uint256 public totalBurned;
uint256 balance;
event Burn(address indexed _burner, uint256 _burned);
constructor(uint256 _mintValue) {
totalMinted = _mintValue;
balance = _mintValue;
}
function burn(address _from, uint256 _value, bytes calldata _data) public {
_from;
_data;
burn(_value);
}
function burn(uint256 _value) public returns (bool) {
burnCore(_value);
return true;
}
function burnCore(uint256 _value) internal returns(uint256) {
require(balance - _value >= 0);
totalBurned += _value;
balance -= _value;
emit Burn(msg.sender, _value);
return _value;
}
function burn() public returns (uint256) {
return burnCore(totalMinted);
}
function supportsInterface(bytes4 _sum) public pure returns (bool) {
if (_sum == 0x01ffc9a7) { // EIP165
return true;
}
if (_sum == 0xbc4babdd) { // Burner
return true;
}
return false;
}
}