60 lines
1.8 KiB
Solidity
60 lines
1.8 KiB
Solidity
// SPDX-License-Identifier: MIT
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pragma solidity 0.8.19;
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import {ERC20} from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
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import {IMintable} from "../../interfaces/IMintable.sol";
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import {Governable} from "../../core/Governable.sol";
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contract EsToken is ERC20, IMintable, Governable {
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bool public inPrivateTransferMode;
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mapping(address account => bool status) public override isMinter;
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mapping(address account => bool status) public isHandler;
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constructor(string memory _name, string memory _symbol) ERC20(_name, _symbol) {}
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modifier onlyMinter() {
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require(isMinter[msg.sender], "EsToken: forbidden");
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_;
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}
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function setMinter(address _minter, bool _isActive) external override onlyGov {
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isMinter[_minter] = _isActive;
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}
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function mint(address _account, uint256 _amount) external override onlyMinter {
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_mint(_account, _amount);
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}
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function burn(address _account, uint256 _amount) external override onlyMinter {
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_burn(_account, _amount);
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}
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function setInPrivateTransferMode(bool _inPrivateTransferMode) external onlyGov {
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inPrivateTransferMode = _inPrivateTransferMode;
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}
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function setHandler(address _handler, bool _isActive) external onlyGov {
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isHandler[_handler] = _isActive;
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}
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function transferFrom(address _sender, address _recipient, uint256 _amount) public override returns (bool) {
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if (isHandler[msg.sender]) {
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_transfer(_sender, _recipient, _amount);
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return true;
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}
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_spendAllowance(_sender, msg.sender, _amount);
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_transfer(_sender, _recipient, _amount);
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return true;
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}
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function _beforeTokenTransfer(address from, address to, uint256 amount) internal override {
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if (inPrivateTransferMode) {
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require(isHandler[msg.sender], "EsToken: msg.sender not whitelisted");
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}
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super._beforeTokenTransfer(from, to, amount);
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}
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}
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