// File: @openzeppelin/contracts/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
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() {
_setOwner(_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 {
_setOwner(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");
_setOwner(newOwner);
}
function _setOwner(address newOwner) private {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
// File: contracts/HowlStore.sol
pragma solidity ^0.8.2;
interface IHowl {
function equipProperties(
address _caller,
uint256 _tokenId,
uint16[8] calldata _w
) external;
}
interface ISoul {
function mint(address _address, uint256 _amount) external;
function collectAndBurn(address _address, uint256 _amount) external;
}
contract HowlStore is Ownable {
constructor(address _howlContractAddress, address _soulContractAddress)
Ownable()
{
howlContractAddress = _howlContractAddress;
soulContractAddress = _soulContractAddress;
}
address public howlContractAddress;
address public soulContractAddress;
function setHowlContractAddress(address _address) external onlyOwner {
howlContractAddress = _address;
}
function setSoulContractAddress(address _address) external onlyOwner {
soulContractAddress = _address;
}
event StorePurchase(
uint256 indexed _tokenId,
address indexed _address,
uint16[8] _properties,
uint16 _remainingQty
);
struct StoreItem {
uint16[8] properties;
uint16 qty;
uint128 soulPrice;
}
mapping(uint256 => StoreItem) public store;
function addStoreItem(
uint256 _slot,
uint16[8] calldata properties,
uint16 _qty,
uint128 _soulPrice
) external onlyOwner {
store[_slot] = StoreItem(properties, _qty, _soulPrice);
}
function deleteStoreItems(uint256[] calldata _slotsToDelete)
external
onlyOwner
{
for (uint256 i = 0; i < _slotsToDelete.length; i++) {
delete store[_slotsToDelete[i]];
}
}
function buyStoreItem(uint256 _tokenId, uint256 _slot) external {
StoreItem storage item = store[_slot];
require(item.qty > 0, "HOWL Store: item is sold out or doesn't exist");
item.qty -= 1;
ISoul(soulContractAddress).collectAndBurn(msg.sender, item.soulPrice);
IHowl(howlContractAddress).equipProperties(
msg.sender, // howl will verify that this address owns the token
_tokenId,
item.properties
);
emit StorePurchase(_tokenId, msg.sender, item.properties, item.qty);
}
}
{
"compilationTarget": {
"HowlStore_flat.sol": "HowlStore"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
[{"inputs":[{"internalType":"address","name":"_howlContractAddress","type":"address"},{"internalType":"address","name":"_soulContractAddress","type":"address"}],"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":"uint256","name":"_tokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"_address","type":"address"},{"indexed":false,"internalType":"uint16[8]","name":"_properties","type":"uint16[8]"},{"indexed":false,"internalType":"uint16","name":"_remainingQty","type":"uint16"}],"name":"StorePurchase","type":"event"},{"inputs":[{"internalType":"uint256","name":"_slot","type":"uint256"},{"internalType":"uint16[8]","name":"properties","type":"uint16[8]"},{"internalType":"uint16","name":"_qty","type":"uint16"},{"internalType":"uint128","name":"_soulPrice","type":"uint128"}],"name":"addStoreItem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"},{"internalType":"uint256","name":"_slot","type":"uint256"}],"name":"buyStoreItem","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256[]","name":"_slotsToDelete","type":"uint256[]"}],"name":"deleteStoreItems","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"howlContractAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"setHowlContractAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_address","type":"address"}],"name":"setSoulContractAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"soulContractAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"store","outputs":[{"internalType":"uint16","name":"qty","type":"uint16"},{"internalType":"uint128","name":"soulPrice","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]