41 lines
789 B
Solidity
41 lines
789 B
Solidity
pragma solidity ^0.4.24;
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import "../Roles.sol";
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contract MinterRole {
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using Roles for Roles.Role;
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event MinterAdded(address indexed account);
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event MinterRemoved(address indexed account);
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Roles.Role private minters;
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constructor() public {
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minters.add(msg.sender);
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}
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modifier onlyMinter() {
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require(isMinter(msg.sender));
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_;
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}
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function isMinter(address _account) public view returns (bool) {
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return minters.has(_account);
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}
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function addMinter(address _account) public onlyMinter {
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minters.add(_account);
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emit MinterAdded(_account);
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}
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function renounceMinter() public {
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minters.remove(msg.sender);
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}
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function _removeMinter(address _account) internal {
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minters.remove(_account);
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emit MinterRemoved(_account);
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}
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}
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