文件 1 的 5:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 2 的 5:IExecutionStrategy.sol
pragma solidity ^0.8.0;
import {OrderTypes} from "../libraries/OrderTypes.sol";
interface IExecutionStrategy {
function canExecuteTakerAsk(OrderTypes.TakerOrder calldata takerAsk, OrderTypes.MakerOrder calldata makerBid)
external
view
returns (
bool,
uint256,
uint256
);
function canExecuteTakerBid(OrderTypes.TakerOrder calldata takerBid, OrderTypes.MakerOrder calldata makerAsk)
external
view
returns (
bool,
uint256,
uint256
);
function viewProtocolFee() external view returns (uint256);
}
文件 3 的 5:OrderTypes.sol
pragma solidity ^0.8.0;
library OrderTypes {
bytes32 internal constant MAKER_ORDER_HASH = 0x40261ade532fa1d2c7293df30aaadb9b3c616fae525a0b56d3d411c841a85028;
struct MakerOrder {
bool isOrderAsk;
address signer;
address collection;
uint256 price;
uint256 tokenId;
uint256 amount;
address strategy;
address currency;
uint256 nonce;
uint256 startTime;
uint256 endTime;
uint256 minPercentageToAsk;
bytes params;
uint8 v;
bytes32 r;
bytes32 s;
}
struct TakerOrder {
bool isOrderAsk;
address taker;
uint256 price;
uint256 tokenId;
uint256 minPercentageToAsk;
bytes params;
}
function hash(MakerOrder memory makerOrder) internal pure returns (bytes32) {
return
keccak256(
abi.encode(
MAKER_ORDER_HASH,
makerOrder.isOrderAsk,
makerOrder.signer,
makerOrder.collection,
makerOrder.price,
makerOrder.tokenId,
makerOrder.amount,
makerOrder.strategy,
makerOrder.currency,
makerOrder.nonce,
makerOrder.startTime,
makerOrder.endTime,
makerOrder.minPercentageToAsk,
keccak256(makerOrder.params)
)
);
}
}
文件 4 的 5:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
_;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 5 的 5:StrategyStandardSaleForFixedPriceV1B.sol
pragma solidity ^0.8.0;
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {OrderTypes} from "../libraries/OrderTypes.sol";
import {IExecutionStrategy} from "../interfaces/IExecutionStrategy.sol";
contract StrategyStandardSaleForFixedPriceV1B is Ownable, IExecutionStrategy {
event NewProtocolFee(uint256 protocolFee);
uint256 internal _protocolFee = 150;
function canExecuteTakerAsk(OrderTypes.TakerOrder calldata takerAsk, OrderTypes.MakerOrder calldata makerBid)
external
view
override
returns (
bool,
uint256,
uint256
)
{
return (
((makerBid.price == takerAsk.price) &&
(makerBid.tokenId == takerAsk.tokenId) &&
(makerBid.startTime <= block.timestamp) &&
(makerBid.endTime >= block.timestamp)),
makerBid.tokenId,
makerBid.amount
);
}
function canExecuteTakerBid(OrderTypes.TakerOrder calldata takerBid, OrderTypes.MakerOrder calldata makerAsk)
external
view
override
returns (
bool,
uint256,
uint256
)
{
return (
((makerAsk.price == takerBid.price) &&
(makerAsk.tokenId == takerBid.tokenId) &&
(makerAsk.startTime <= block.timestamp) &&
(makerAsk.endTime >= block.timestamp)),
makerAsk.tokenId,
makerAsk.amount
);
}
function setProtocolFee(uint256 newProtocolFee) external onlyOwner {
require(newProtocolFee < _protocolFee, "Owner: Protocol fee too high");
_protocolFee = newProtocolFee;
emit NewProtocolFee(newProtocolFee);
}
function viewProtocolFee() external view override returns (uint256) {
return _protocolFee;
}
}
{
"compilationTarget": {
"@looksrare/contracts-exchange-v1/contracts/executionStrategies/StrategyStandardSaleForFixedPriceV1B.sol": "StrategyStandardSaleForFixedPriceV1B"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 888888
},
"remappings": []
}
[{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"protocolFee","type":"uint256"}],"name":"NewProtocolFee","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"components":[{"internalType":"bool","name":"isOrderAsk","type":"bool"},{"internalType":"address","name":"taker","type":"address"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"minPercentageToAsk","type":"uint256"},{"internalType":"bytes","name":"params","type":"bytes"}],"internalType":"struct OrderTypes.TakerOrder","name":"takerAsk","type":"tuple"},{"components":[{"internalType":"bool","name":"isOrderAsk","type":"bool"},{"internalType":"address","name":"signer","type":"address"},{"internalType":"address","name":"collection","type":"address"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"strategy","type":"address"},{"internalType":"address","name":"currency","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"minPercentageToAsk","type":"uint256"},{"internalType":"bytes","name":"params","type":"bytes"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct OrderTypes.MakerOrder","name":"makerBid","type":"tuple"}],"name":"canExecuteTakerAsk","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"bool","name":"isOrderAsk","type":"bool"},{"internalType":"address","name":"taker","type":"address"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"minPercentageToAsk","type":"uint256"},{"internalType":"bytes","name":"params","type":"bytes"}],"internalType":"struct OrderTypes.TakerOrder","name":"takerBid","type":"tuple"},{"components":[{"internalType":"bool","name":"isOrderAsk","type":"bool"},{"internalType":"address","name":"signer","type":"address"},{"internalType":"address","name":"collection","type":"address"},{"internalType":"uint256","name":"price","type":"uint256"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"strategy","type":"address"},{"internalType":"address","name":"currency","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"},{"internalType":"uint256","name":"minPercentageToAsk","type":"uint256"},{"internalType":"bytes","name":"params","type":"bytes"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"internalType":"struct OrderTypes.MakerOrder","name":"makerAsk","type":"tuple"}],"name":"canExecuteTakerBid","outputs":[{"internalType":"bool","name":"","type":"bool"},{"internalType":"uint256","name":"","type":"uint256"},{"internalType":"uint256","name":"","type":"uint256"}],"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":"uint256","name":"newProtocolFee","type":"uint256"}],"name":"setProtocolFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"viewProtocolFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]