编译器
0.8.11+commit.d7f03943
文件 1 的 20：Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
文件 2 的 20：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 3 的 20：DeadFreaks.sol
pragma solidity ^0.8.11;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/interfaces/IERC20.sol";
import "@openzeppelin/contracts/interfaces/IERC721.sol";
import "@openzeppelin/contracts/interfaces/IERC1155.sol";
import "@openzeppelin/contracts/token/ERC721/ERC721.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/common/ERC2981.sol";
import "@openzeppelin/contracts/utils/Strings.sol";
import "./NonblockingReceiver.sol";
contract DeadFreaks is ERC721, ERC2981, Ownable, ReentrancyGuard, NonblockingReceiver {
using Strings for uint256;
string public constant PROVENANCE_HASH = "e494bf6bedaf8ae78c09e94c414e115d5b73843ec253771bef8e461b738a12c8";
uint256 public OFFSET_VALUE;
string public constant RANDOMIZER_ADDRESS_BSC = "0xccaD0A7929AdB6987f84275FfCe3ED151A54Df7C";
string public baseUri;
string public placeholderUri;
uint256 public immutable CHAIN_SUPPLY;
uint256 public immutable CHAIN_OFFSET;
uint256 currentTokenId;
uint256 public gasForDestinationLzReceive = 350000;
uint256 public mintActiveFrom;
uint256 public remainingTeamSupply;
mapping(address => bool) public walletMinted;
bool public metadataFrozen;
bool public isRevealing;
bool public revealed;
modifier whenMetadataNotFrozen {
require(!metadataFrozen, "Metadata is frozen");
_;
}
modifier whenNotContract {
require(msg.sender == tx.origin, "No-No to Mojo Jojo's mojo");
_;
}
constructor(
uint256 supply,
uint256 offset,
uint256 teamSupply,
string memory _placeholderUri,
address _layerZeroEndpoint,
address royaltyReceiver
) ERC721("Dead Freaks Resurrection", "DFR") {
CHAIN_SUPPLY = supply;
CHAIN_OFFSET = offset;
currentTokenId = CHAIN_OFFSET;
remainingTeamSupply = teamSupply;
placeholderUri = _placeholderUri;
_setDefaultRoyalty(royaltyReceiver, 1000);
endpoint = ILayerZeroEndpoint(_layerZeroEndpoint);
}
function _baseURI() internal view virtual override returns (string memory) {
return baseUri;
}
function tokenURI(uint256 tokenId) public view override returns (string memory) {
if (!revealed) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
return placeholderUri;
} else {
return super.tokenURI(tokenId);
}
}
function mintActive() external view returns (bool) {
return mintActiveFrom > 0 && block.timestamp >= mintActiveFrom;
}
function mint(uint256 amount)
external
payable
whenNotContract
nonReentrant
{
require(mintActiveFrom > 0 && block.timestamp >= mintActiveFrom, "Mint inactive");
require(amount > 0, "Mint at least 1");
require(amount < 4, "Max 3 per tx");
require(!walletMinted[msg.sender], "Max 1 mint per wallet");
require(currentTokenId + amount <= CHAIN_OFFSET + CHAIN_SUPPLY, "Over supply on this chain");
for (uint i = 0; i < amount; i++) {
_safeMint(msg.sender, ++currentTokenId);
}
walletMinted[msg.sender] = true;
}
function mintTeam(uint256 amount) external onlyOwner {
require(amount > 0, "Mint at least 1");
require(amount <= remainingTeamSupply, "Over team supply");
require(currentTokenId + amount <= CHAIN_OFFSET + CHAIN_SUPPLY, "Over supply on this chain");
for (uint i = 0; i < amount; i++) {
_safeMint(msg.sender, ++currentTokenId);
}
remainingTeamSupply -= amount;
}
function setMintActiveFrom(uint256 startTimestamp) external onlyOwner {
mintActiveFrom = startTimestamp;
}
function prepareReveal() external onlyOwner {
require(!isRevealing && !revealed, "Already revealed");
isRevealing = true;
}
function reveal(string calldata uri, uint256 offset) external whenMetadataNotFrozen onlyOwner {
require(isRevealing, "Call prepareReveal first");
require(bytes(uri).length > 0, "Reveal needs to set base uri");
require(offset > 0, "Reveal needs to set non zero offset");
require(!revealed, "Already revealed");
baseUri = uri;
OFFSET_VALUE = offset;
}
function finishReveal() external onlyOwner {
require(!revealed, "Already revealed");
require(isRevealing, "Call prepareReveal first");
isRevealing = false;
revealed = true;
}
function freezeMetadata() external whenMetadataNotFrozen onlyOwner {
require(bytes(baseUri).length > 0, "Need something to freeze");
require(revealed, "Must be revealed before the freeze");
metadataFrozen = true;
}
function setBaseUri(string calldata uri) external whenMetadataNotFrozen onlyOwner {
baseUri = uri;
}
function setPlaceholderUri(string calldata uri) external whenMetadataNotFrozen onlyOwner {
placeholderUri = uri;
}
function withdraw() external onlyOwner {
require(payable(owner()).send(address(this).balance));
}
function setRoyalties(address receiver, uint96 value) external onlyOwner {
_setDefaultRoyalty(receiver, value);
}
function withdrawERC20(IERC20 token, address toAddress, uint256 amount) external onlyOwner {
token.transfer(toAddress, amount);
}
function withdrawERC721(IERC721 token, address toAddress, uint256 tokenId) external onlyOwner {
token.transferFrom(address(this), toAddress, tokenId);
}
function withdrawERC1155(IERC1155 token, address toAddress, uint256 tokenId) external onlyOwner {
token.safeTransferFrom(address(this), toAddress, tokenId, token.balanceOf(address(this), tokenId), "");
}
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal override {
require(!isRevealing, "Transfers paused during reveal");
}
function traverseChains(uint16 _chainId, uint tokenId) public payable {
require(!isRevealing, "Traversals paused during reveal");
require(msg.sender == ownerOf(tokenId), "You must own the token");
require(trustedRemoteLookup[_chainId].length > 0, "This chain is unavailable");
_burn(tokenId);
bytes memory payload = abi.encode(msg.sender, tokenId);
uint16 version = 1;
bytes memory adapterParams = abi.encodePacked(version, gasForDestinationLzReceive);
(uint messageFee,) = endpoint.estimateFees(_chainId, address(this), payload, false, adapterParams);
require(msg.value >= messageFee, "send value not enough to cover messageFee. Send gas for message fees");
endpoint.send{value : msg.value}(
_chainId,
trustedRemoteLookup[_chainId],
payload,
payable(msg.sender),
address(0x0),
adapterParams
);
}
function _LzReceive(
uint16 _srcChainId,
bytes memory _srcAddress,
uint64 _nonce,
bytes memory _payload
) internal override {
(address toAddr, uint tokenId) = abi.decode(_payload, (address, uint));
_safeMint(toAddr, tokenId);
}
function setGasForDestinationLzReceive(uint256 gas) external onlyOwner {
gasForDestinationLzReceive = gas;
}
function supportsInterface(bytes4 interfaceId)
public
view
virtual
override(ERC721, ERC2981)
returns (bool)
{
return super.supportsInterface(interfaceId);
}
}
文件 4 的 20：ERC165.sol
pragma solidity ^0.8.0;
import "./IERC165.sol";
abstract contract ERC165 is IERC165 {
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
文件 5 的 20：ERC2981.sol
pragma solidity ^0.8.0;
import "../../interfaces/IERC2981.sol";
import "../../utils/introspection/ERC165.sol";
abstract contract ERC2981 is IERC2981, ERC165 {
struct RoyaltyInfo {
address receiver;
uint96 royaltyFraction;
}
RoyaltyInfo private _defaultRoyaltyInfo;
mapping(uint256 => RoyaltyInfo) private _tokenRoyaltyInfo;
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC165) returns (bool) {
return interfaceId == type(IERC2981).interfaceId || super.supportsInterface(interfaceId);
}
function royaltyInfo(uint256 _tokenId, uint256 _salePrice)
external
view
virtual
override
returns (address, uint256)
{
RoyaltyInfo memory royalty = _tokenRoyaltyInfo[_tokenId];
if (royalty.receiver == address(0)) {
royalty = _defaultRoyaltyInfo;
}
uint256 royaltyAmount = (_salePrice * royalty.royaltyFraction) / _feeDenominator();
return (royalty.receiver, royaltyAmount);
}
function _feeDenominator() internal pure virtual returns (uint96) {
return 10000;
}
function _setDefaultRoyalty(address receiver, uint96 feeNumerator) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: invalid receiver");
_defaultRoyaltyInfo = RoyaltyInfo(receiver, feeNumerator);
}
function _deleteDefaultRoyalty() internal virtual {
delete _defaultRoyaltyInfo;
}
function _setTokenRoyalty(
uint256 tokenId,
address receiver,
uint96 feeNumerator
) internal virtual {
require(feeNumerator <= _feeDenominator(), "ERC2981: royalty fee will exceed salePrice");
require(receiver != address(0), "ERC2981: Invalid parameters");
_tokenRoyaltyInfo[tokenId] = RoyaltyInfo(receiver, feeNumerator);
}
function _resetTokenRoyalty(uint256 tokenId) internal virtual {
delete _tokenRoyaltyInfo[tokenId];
}
}
文件 6 的 20：ERC721.sol
pragma solidity ^0.8.0;
import "./IERC721.sol";
import "./IERC721Receiver.sol";
import "./extensions/IERC721Metadata.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/Strings.sol";
import "../../utils/introspection/ERC165.sol";
contract ERC721 is Context, ERC165, IERC721, IERC721Metadata {
using Address for address;
using Strings for uint256;
string private _name;
string private _symbol;
mapping(uint256 => address) private _owners;
mapping(address => uint256) private _balances;
mapping(uint256 => address) private _tokenApprovals;
mapping(address => mapping(address => bool)) private _operatorApprovals;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return
interfaceId == type(IERC721).interfaceId ||
interfaceId == type(IERC721Metadata).interfaceId ||
super.supportsInterface(interfaceId);
}
function balanceOf(address owner) public view virtual override returns (uint256) {
require(owner != address(0), "ERC721: balance query for the zero address");
return _balances[owner];
}
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _owners[tokenId];
require(owner != address(0), "ERC721: owner query for nonexistent token");
return owner;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
require(_exists(tokenId), "ERC721Metadata: URI query for nonexistent token");
string memory baseURI = _baseURI();
return bytes(baseURI).length > 0 ? string(abi.encodePacked(baseURI, tokenId.toString())) : "";
}
function _baseURI() internal view virtual returns (string memory) {
return "";
}
function approve(address to, uint256 tokenId) public virtual override {
address owner = ERC721.ownerOf(tokenId);
require(to != owner, "ERC721: approval to current owner");
require(
_msgSender() == owner || isApprovedForAll(owner, _msgSender()),
"ERC721: approve caller is not owner nor approved for all"
);
_approve(to, tokenId);
}
function getApproved(uint256 tokenId) public view virtual override returns (address) {
require(_exists(tokenId), "ERC721: approved query for nonexistent token");
return _tokenApprovals[tokenId];
}
function setApprovalForAll(address operator, bool approved) public virtual override {
_setApprovalForAll(_msgSender(), operator, approved);
}
function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
return _operatorApprovals[owner][operator];
}
function transferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_transfer(from, to, tokenId);
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) public virtual override {
safeTransferFrom(from, to, tokenId, "");
}
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes memory _data
) public virtual override {
require(_isApprovedOrOwner(_msgSender(), tokenId), "ERC721: transfer caller is not owner nor approved");
_safeTransfer(from, to, tokenId, _data);
}
function _safeTransfer(
address from,
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_transfer(from, to, tokenId);
require(_checkOnERC721Received(from, to, tokenId, _data), "ERC721: transfer to non ERC721Receiver implementer");
}
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _owners[tokenId] != address(0);
}
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
require(_exists(tokenId), "ERC721: operator query for nonexistent token");
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || getApproved(tokenId) == spender || isApprovedForAll(owner, spender));
}
function _safeMint(address to, uint256 tokenId) internal virtual {
_safeMint(to, tokenId, "");
}
function _safeMint(
address to,
uint256 tokenId,
bytes memory _data
) internal virtual {
_mint(to, tokenId);
require(
_checkOnERC721Received(address(0), to, tokenId, _data),
"ERC721: transfer to non ERC721Receiver implementer"
);
}
function _mint(address to, uint256 tokenId) internal virtual {
require(to != address(0), "ERC721: mint to the zero address");
require(!_exists(tokenId), "ERC721: token already minted");
_beforeTokenTransfer(address(0), to, tokenId);
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
_afterTokenTransfer(address(0), to, tokenId);
}
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId);
_approve(address(0), tokenId);
_balances[owner] -= 1;
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
_afterTokenTransfer(owner, address(0), tokenId);
}
function _transfer(
address from,
address to,
uint256 tokenId
) internal virtual {
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
require(to != address(0), "ERC721: transfer to the zero address");
_beforeTokenTransfer(from, to, tokenId);
_approve(address(0), tokenId);
_balances[from] -= 1;
_balances[to] += 1;
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
_afterTokenTransfer(from, to, tokenId);
}
function _approve(address to, uint256 tokenId) internal virtual {
_tokenApprovals[tokenId] = to;
emit Approval(ERC721.ownerOf(tokenId), to, tokenId);
}
function _setApprovalForAll(
address owner,
address operator,
bool approved
) internal virtual {
require(owner != operator, "ERC721: approve to caller");
_operatorApprovals[owner][operator] = approved;
emit ApprovalForAll(owner, operator, approved);
}
function _checkOnERC721Received(
address from,
address to,
uint256 tokenId,
bytes memory _data
) private returns (bool) {
if (to.isContract()) {
try IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data) returns (bytes4 retval) {
return retval == IERC721Receiver.onERC721Received.selector;
} catch (bytes memory reason) {
if (reason.length == 0) {
revert("ERC721: transfer to non ERC721Receiver implementer");
} else {
assembly {
revert(add(32, reason), mload(reason))
}
}
}
} else {
return true;
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 tokenId
) internal virtual {}
}
文件 7 的 20：IERC1155.sol
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
interface IERC1155 is IERC165 {
event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
event TransferBatch(
address indexed operator,
address indexed from,
address indexed to,
uint256[] ids,
uint256[] values
);
event ApprovalForAll(address indexed account, address indexed operator, bool approved);
event URI(string value, uint256 indexed id);
function balanceOf(address account, uint256 id) external view returns (uint256);
function balanceOfBatch(address[] calldata accounts, uint256[] calldata ids)
external
view
returns (uint256[] memory);
function setApprovalForAll(address operator, bool approved) external;
function isApprovedForAll(address account, address operator) external view returns (bool);
function safeTransferFrom(
address from,
address to,
uint256 id,
uint256 amount,
bytes calldata data
) external;
function safeBatchTransferFrom(
address from,
address to,
uint256[] calldata ids,
uint256[] calldata amounts,
bytes calldata data
) external;
}
文件 8 的 20：IERC165.sol
pragma solidity ^0.8.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 9 的 20：IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
文件 10 的 20：IERC2981.sol
pragma solidity ^0.8.0;
import "./IERC165.sol";
interface IERC2981 is IERC165 {
function royaltyInfo(uint256 tokenId, uint256 salePrice)
external
view
returns (address receiver, uint256 royaltyAmount);
}
文件 11 的 20：IERC721.sol
pragma solidity ^0.8.0;
import "../../utils/introspection/IERC165.sol";
interface IERC721 is IERC165 {
event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);
event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);
event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
function balanceOf(address owner) external view returns (uint256 balance);
function ownerOf(uint256 tokenId) external view returns (address owner);
function safeTransferFrom(
address from,
address to,
uint256 tokenId
) external;
function transferFrom(
address from,
address to,
uint256 tokenId
) external;
function approve(address to, uint256 tokenId) external;
function getApproved(uint256 tokenId) external view returns (address operator);
function setApprovalForAll(address operator, bool _approved) external;
function isApprovedForAll(address owner, address operator) external view returns (bool);
function safeTransferFrom(
address from,
address to,
uint256 tokenId,
bytes calldata data
) external;
}
文件 12 的 20：IERC721Metadata.sol
pragma solidity ^0.8.0;
import "../IERC721.sol";
interface IERC721Metadata is IERC721 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function tokenURI(uint256 tokenId) external view returns (string memory);
}
文件 13 的 20：IERC721Receiver.sol
pragma solidity ^0.8.0;
interface IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
文件 14 的 20：ILayerZeroEndpoint.sol
pragma solidity >=0.5.0;
import "./ILayerZeroUserApplicationConfig.sol";
interface ILayerZeroEndpoint is ILayerZeroUserApplicationConfig {
function send(uint16 _dstChainId, bytes calldata _destination, bytes calldata _payload, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;
function receivePayload(uint16 _srcChainId, bytes calldata _srcAddress, address _dstAddress, uint64 _nonce, uint _gasLimit, bytes calldata _payload) external;
function getInboundNonce(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (uint64);
function getOutboundNonce(uint16 _dstChainId, address _srcAddress) external view returns (uint64);
function estimateFees(uint16 _dstChainId, address _userApplication, bytes calldata _payload, bool _payInZRO, bytes calldata _adapterParam) external view returns (uint nativeFee, uint zroFee);
function getChainId() external view returns (uint16);
function retryPayload(uint16 _srcChainId, bytes calldata _srcAddress, bytes calldata _payload) external;
function hasStoredPayload(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool);
function getSendLibraryAddress(address _userApplication) external view returns (address);
function getReceiveLibraryAddress(address _userApplication) external view returns (address);
function isSendingPayload() external view returns (bool);
function isReceivingPayload() external view returns (bool);
function getConfig(uint16 _version, uint16 _chainId, address _userApplication, uint _configType) external view returns (bytes memory);
function getSendVersion(address _userApplication) external view returns (uint16);
function getReceiveVersion(address _userApplication) external view returns (uint16);
}
文件 15 的 20：ILayerZeroReceiver.sol
pragma solidity >=0.5.0;
interface ILayerZeroReceiver {
function lzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) external;
}
文件 16 的 20：ILayerZeroUserApplicationConfig.sol
pragma solidity >=0.5.0;
interface ILayerZeroUserApplicationConfig {
function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external;
function setSendVersion(uint16 _version) external;
function setReceiveVersion(uint16 _version) external;
function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external;
}
文件 17 的 20：NonblockingReceiver.sol
pragma solidity ^0.8.6;
import "@openzeppelin/contracts/access/Ownable.sol";
import "./layerzerolabs/contracts/interfaces/ILayerZeroReceiver.sol";
import "./layerzerolabs/contracts/interfaces/ILayerZeroEndpoint.sol";
abstract contract NonblockingReceiver is Ownable, ILayerZeroReceiver {
ILayerZeroEndpoint public endpoint;
struct FailedMessages {
uint payloadLength;
bytes32 payloadHash;
}
mapping(uint16 => mapping(bytes => mapping(uint => FailedMessages))) public failedMessages;
mapping(uint16 => bytes) public trustedRemoteLookup;
event MessageFailed(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes _payload);
function lzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) external override {
require(msg.sender == address(endpoint));
require(_srcAddress.length == trustedRemoteLookup[_srcChainId].length &&
keccak256(_srcAddress) == keccak256(trustedRemoteLookup[_srcChainId]), "NonblockingReceiver: invalid source sending contract");
try this.onLzReceive(_srcChainId, _srcAddress, _nonce, _payload) {
} catch {
failedMessages[_srcChainId][_srcAddress][_nonce] = FailedMessages(_payload.length, keccak256(_payload));
emit MessageFailed(_srcChainId, _srcAddress, _nonce, _payload);
}
}
function onLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) public {
require(msg.sender == address(this), "NonblockingReceiver: caller must be Bridge.");
_LzReceive( _srcChainId, _srcAddress, _nonce, _payload);
}
function _LzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) virtual internal;
function _lzSend(uint16 _dstChainId, bytes memory _payload, address payable _refundAddress, address _zroPaymentAddress, bytes memory _txParam) internal {
endpoint.send{value: msg.value}(_dstChainId, trustedRemoteLookup[_dstChainId], _payload, _refundAddress, _zroPaymentAddress, _txParam);
}
function retryMessage(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes calldata _payload) external payable {
FailedMessages storage failedMsg = failedMessages[_srcChainId][_srcAddress][_nonce];
require(failedMsg.payloadHash != bytes32(0), "NonblockingReceiver: no stored message");
require(_payload.length == failedMsg.payloadLength && keccak256(_payload) == failedMsg.payloadHash, "LayerZero: invalid payload");
failedMsg.payloadLength = 0;
failedMsg.payloadHash = bytes32(0);
this.onLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
}
function setTrustedRemote(uint16 _chainId, bytes calldata _trustedRemote) external onlyOwner {
trustedRemoteLookup[_chainId] = _trustedRemote;
}
}
文件 18 的 20：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 19 的 20：ReentrancyGuard.sol
pragma solidity ^0.8.0;
abstract contract ReentrancyGuard {
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
modifier nonReentrant() {
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
_status = _ENTERED;
_;
_status = _NOT_ENTERED;
}
}
文件 20 的 20：Strings.sol
pragma solidity ^0.8.0;
library Strings {
bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";
function toString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0";
}
uint256 temp = value;
uint256 digits;
while (temp != 0) {
digits++;
temp /= 10;
}
bytes memory buffer = new bytes(digits);
while (value != 0) {
digits -= 1;
buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
value /= 10;
}
return string(buffer);
}
function toHexString(uint256 value) internal pure returns (string memory) {
if (value == 0) {
return "0x00";
}
uint256 temp = value;
uint256 length = 0;
while (temp != 0) {
length++;
temp >>= 8;
}
return toHexString(value, length);
}
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _HEX_SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
}
{
"compilationTarget": {
"contracts/DeadFreaks.sol": "DeadFreaks"
},
"evmVersion": "london",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 1000
},
"remappings": []
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