// SPDX-License-Identifier: MIT
// 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;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
pragma solidity ^0.8.0;
import "../utils/Context.sol";
/**
* @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 Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling 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);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "@openzeppelin/contracts/access/Ownable.sol";
interface IERC1155 {
function balanceOf(address account, uint256 id) external view returns (uint256);
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes calldata data
) external;
}
interface IERC721 {
function ownerOf(uint256 tokenId) external view returns (address);
}
contract TokenInterface is Ownable{
IERC1155 public erc1155;
IERC721 public erc721;
mapping(uint256 => bool) public usedERC721Tokens;
mapping(uint256 => uint256) public erc1155TotalBurnCounter;
mapping(uint256 => uint256) public erc721ToBurnedErc1155;
mapping(uint256 => uint256) public erc721BurnCount;
address public gemStash = 0x94112A7B2aE525e9E370e2C2a80Ae3a48b69F780;
event TokenEvolved(
address indexed user,
uint256 burnedErc1155TokenId,
uint256 usedErc721TokenId
);
constructor() {
erc1155 = IERC1155(0x7cC7ADd921e2222738561D03c89589929ceFcF21);
erc721 = IERC721(0x80336Ad7A747236ef41F47ed2C7641828a480BAA);
}
function updateGemStash(address newGemStash) onlyOwner public {
gemStash = newGemStash;
}
function ownsERC1155TokenView(address user, uint256 tokenId) public view returns (bool) {
return erc1155.balanceOf(user, tokenId) > 0;
}
function ownsERC721View(address user, uint256 tokenId) public view returns (bool) {
return erc721.ownerOf(tokenId) == user;
}
function evolveChimp(uint256 erc1155TokenId, uint256 erc721TokenId) public {
require(ownsERC1155TokenView(msg.sender, erc1155TokenId), "You don't own the ERC-1155 token");
require(ownsERC721View(msg.sender, erc721TokenId), "You don't own the ERC-721 token");
require(erc1155TokenId == 12 || erc1155TokenId == 13 || erc1155TokenId == 14, "Invalid ERC-1155 token ID, you can only burn gems");
require(!usedERC721Tokens[erc721TokenId], "ERC-721 token has already been used");
usedERC721Tokens[erc721TokenId] = true;
erc1155TotalBurnCounter[erc1155TokenId] += 1;
erc1155.safeTransferFrom(msg.sender, gemStash, erc1155TokenId, 1, "0x");
emit TokenEvolved(msg.sender, erc1155TokenId, erc721TokenId);
erc721ToBurnedErc1155[erc721TokenId] = erc1155TokenId;
erc721BurnCount[erc721TokenId] = erc1155TotalBurnCounter[erc1155TokenId];
}
function getBurnInfoForERC1155(uint256 erc1155TokenId) public view returns (uint256 totalBurned) {
return erc1155TotalBurnCounter[erc1155TokenId];
}
function getBurnInfoForERC721(uint256 erc721TokenId) public view returns (uint256 erc1155TokenId, uint256 count) {
erc1155TokenId = erc721ToBurnedErc1155[erc721TokenId];
if (erc1155TokenId == 0) {
return (0, 0);
}
return (erc1155TokenId, erc721BurnCount[erc721TokenId]);
}
}
{
"compilationTarget": {
"contracts/chimpers-middle.sol": "TokenInterface"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"burnedErc1155TokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"usedErc721TokenId","type":"uint256"}],"name":"TokenEvolved","type":"event"},{"inputs":[],"name":"erc1155","outputs":[{"internalType":"contract IERC1155","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"erc1155TotalBurnCounter","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"erc721","outputs":[{"internalType":"contract IERC721","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"erc721BurnCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"erc721ToBurnedErc1155","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"erc1155TokenId","type":"uint256"},{"internalType":"uint256","name":"erc721TokenId","type":"uint256"}],"name":"evolveChimp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"gemStash","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"erc1155TokenId","type":"uint256"}],"name":"getBurnInfoForERC1155","outputs":[{"internalType":"uint256","name":"totalBurned","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"erc721TokenId","type":"uint256"}],"name":"getBurnInfoForERC721","outputs":[{"internalType":"uint256","name":"erc1155TokenId","type":"uint256"},{"internalType":"uint256","name":"count","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownsERC1155TokenView","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownsERC721View","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newGemStash","type":"address"}],"name":"updateGemStash","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"usedERC721Tokens","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]