// File: contracts/IMintableNft.sol
interface IMintableNft{
/// @dev mint item (only for factories)
/// @param toAddress receiving address
function mint(
address toAddress
) external;
/// @dev total minted tokens
function mintedCount() external returns(uint256);
}
// File: @openzeppelin/contracts/utils/Context.sol
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)
pragma solidity ^0.8.0;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
// File: @openzeppelin/contracts/access/Ownable.sol
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: contracts/Factories/FactoryBase.sol
contract FactoryBase is Ownable {
address public nftAddress = 0x7761ec033f4D8519c72Ed395D95C25efabF91a34;
uint256 public price;
address public withdrawAddress;
function setNftAddress(address newNftAddress) external onlyOwner {
nftAddress = newNftAddress;
}
function setPrice(uint256 newPrice) external onlyOwner {
price = newPrice;
}
function setWithdrawAddress(address newWithdrawAddress) external onlyOwner {
withdrawAddress = newWithdrawAddress;
}
function _mint(address toAddress) internal {
(IMintableNft(nftAddress)).mint(toAddress);
}
}
// File: contracts/Factories/FactoryErc20.sol
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20 {
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, uint256 amount)
external
returns (bool);
/**
* @dev Moves `amount` tokens from `sender` to `recipient` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
}
contract FactoryErc20 is FactoryBase {
IERC20 public erc20Contract;
constructor() {
price = 1000e18;
withdrawAddress = 0xa3eBf7bB02f83E43D3C0C9eEC28FEB2d0684Ad84;
}
function setErc20Contract(address newErc20Address) external onlyOwner {
erc20Contract = IERC20(newErc20Address);
}
function withdraw() external onlyOwner {
erc20Contract.transfer(
withdrawAddress,
erc20Contract.balanceOf(address(this))
);
payable(withdrawAddress).transfer(address(this).balance);
}
function mint(address to, uint256 count) external {
erc20Contract.transferFrom(msg.sender, address(this), price * count);
for (uint256 i = 0; i < count; ++i) _mint(to);
}
}
{
"compilationTarget": {
"FactoryErc20.sol": "FactoryErc20"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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