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guruhoursfactory.sol
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guruhoursfactory.sol
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/*
This file is part of the Guru Collective DAO.
The GuruHoursFactory Contract is free software: you can redistribute it and/or
modify it under the terms of the GNU lesser General Public License as published
by the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The GuruHoursFactory Contract is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU lesser General Public License for more details.
You should have received a copy of the GNU lesser General Public License
along with the GuruHoursFactory Contract. If not, see <http://www.gnu.org/licenses/>.
@author Ilya Svirin <is.svirin@gmail.com>
*/
// SPDX-License-Identifier: GNU lesser General Public License
pragma solidity ^0.8.0;
import "./guruhourstoken.sol";
contract GuruHoursFactory is Ownable, IGuruHoursFactory
{
event FeeChanged(uint256 fee);
event DAOChanged(address dao);
event TokenCreated(address indexed token, address owner, string name, string symbod);
event Transfer(address indexed token, address indexed sender, address indexed recepient, uint256 amount);
uint256 public _fee;
address public _dao;
mapping (address => address) public _tokenToOwner;
mapping (address => address) public _ownerToToken;
constructor ()
{
setFee(20);
setDAO(_msgSender());
}
function setFee(uint256 newFee) public onlyOwner
{
_fee = newFee;
emit FeeChanged(_fee);
}
function fee() view external override returns(uint256)
{
return _fee;
}
function setDAO(address newdao) public onlyOwner
{
_dao = newdao;
emit DAOChanged(_dao);
}
function dao() view external override returns(address)
{
return _dao;
}
function deployGuruHoursToken(string memory name, string memory symbol) public payable
{
require(_ownerToToken[_msgSender()] == address(0), "already has token");
GuruHoursToken token = new GuruHoursToken(address(this), _msgSender(), name, symbol);
_tokenToOwner[address(token)] = _msgSender();
_ownerToToken[_msgSender()] = address(token);
emit TokenCreated(address(token), _msgSender(), name, symbol);
}
function validateToken() internal view
{
require(_tokenToOwner[_msgSender()] != address(0), "unknown token contract");
}
function onTransfer(address sender, address recipient, uint256 amount) public override
{
validateToken();
emit Transfer(_msgSender(), sender, recipient, amount);
}
}