编译器
0.8.17+commit.8df45f5f
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 4 的 5:OrdinaryFrogs.sol
pragma solidity >=0.4.22 <0.9.0;
import "https://github.com/chiru-labs/ERC721A/blob/main/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
contract OrdinaryFrogs is ERC721A, Ownable {
uint256 public constant SUPPLY_UPPER_LIMIT = 3334;
uint256 public constant ADDRESS_UPPER_LIMIT = 6;
uint256 public price = 0.0033 ether;
bool public open;
string private _metadataURI;
constructor() ERC721A("OrdinaryFrogs", "FROG") {}
function mint(uint256 quantity_) external payable {
require(msg.sender == tx.origin, "Nop");
require(open, "Closed");
require(_totalMinted() + quantity_ < SUPPLY_UPPER_LIMIT, "No supply left");
uint256 minted = _numberMinted(msg.sender);
require(minted + quantity_ < ADDRESS_UPPER_LIMIT, "Reached maximum allowed per address");
require(msg.value == (quantity_ - (minted > 0 ? 0 : 1)) * price, "Incorrect value");
_mint(msg.sender, quantity_);
}
function setMetadataURI(string memory metadataURI_) external onlyOwner {
_metadataURI = metadataURI_;
}
function flip() external onlyOwner {
open = !open;
}
function setPrice(uint256 price_) external onlyOwner {
price = price_;
}
function airdrop(address to_, uint256 quantity_) external onlyOwner {
require(_totalMinted() + quantity_ < SUPPLY_UPPER_LIMIT, "No supply left");
_mint(to_, quantity_);
}
function tokenURI(uint256 id_)
public
view
override
returns (string memory)
{
if (!_exists(id_)) _revert(URIQueryForNonexistentToken.selector);
return bytes(_metadataURI).length != 0 ? string(abi.encodePacked(_metadataURI, _toString(id_), ".json")) : "";
}
function withdraw() external onlyOwner {
(bool success, ) = payable(owner()).call{value: address(this).balance}(
""
);
require(success);
}
}
文件 5 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());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
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);
}
}
{
"compilationTarget": {
"contracts/OrdinaryFrogs.sol": "OrdinaryFrogs"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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