文件 1 的 1：GetMintONFT721.sol
pragma solidity ^0.8.13;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
interface IONFT721Core is IERC165 {
event SendToChain(uint16 indexed _dstChainId, address indexed _from, bytes indexed _toAddress, uint[] _tokenIds);
event ReceiveFromChain(uint16 indexed _srcChainId, bytes indexed _srcAddress, address indexed _toAddress, uint[] _tokenIds);
event SetMinGasToTransferAndStore(uint256 _minGasToTransferAndStore);
event SetDstChainIdToTransferGas(uint16 _dstChainId, uint256 _dstChainIdToTransferGas);
event SetDstChainIdToBatchLimit(uint16 _dstChainId, uint256 _dstChainIdToBatchLimit);
event CreditStored(bytes32 _hashedPayload, bytes _payload);
event CreditCleared(bytes32 _hashedPayload);
function sendFrom(address _from, uint16 _dstChainId, bytes calldata _toAddress, uint _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;
function sendBatchFrom(address _from, uint16 _dstChainId, bytes calldata _toAddress, uint[] calldata _tokenIds, address payable _refundAddress, address _zroPaymentAddress, bytes calldata _adapterParams) external payable;
function estimateSendFee(uint16 _dstChainId, bytes calldata _toAddress, uint _tokenId, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);
function estimateSendBatchFee(uint16 _dstChainId, bytes calldata _toAddress, uint[] calldata _tokenIds, bool _useZro, bytes calldata _adapterParams) external view returns (uint nativeFee, uint zroFee);
}
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, bytes calldata data) external;
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 setApprovalForAll(address operator, bool approved) external;
function getApproved(uint256 tokenId) external view returns (address operator);
function isApprovedForAll(address owner, address operator) external view returns (bool);
}
interface IONFT721 is IONFT721Core, IERC721 {
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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);
}
}
interface ILayerZeroReceiver {
function lzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) external;
}
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;
}
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);
}
library BytesLib {
function concat(
bytes memory _preBytes,
bytes memory _postBytes
)
internal
pure
returns (bytes memory)
{
bytes memory tempBytes;
assembly {
tempBytes := mload(0x40)
let length := mload(_preBytes)
mstore(tempBytes, length)
let mc := add(tempBytes, 0x20)
let end := add(mc, length)
for {
let cc := add(_preBytes, 0x20)
} lt(mc, end) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
mstore(mc, mload(cc))
}
length := mload(_postBytes)
mstore(tempBytes, add(length, mload(tempBytes)))
mc := end
end := add(mc, length)
for {
let cc := add(_postBytes, 0x20)
} lt(mc, end) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
mstore(mc, mload(cc))
}
mstore(0x40, and(
add(add(end, iszero(add(length, mload(_preBytes)))), 31),
not(31)
))
}
return tempBytes;
}
function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal {
assembly {
let fslot := sload(_preBytes.slot)
let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)
let mlength := mload(_postBytes)
let newlength := add(slength, mlength)
switch add(lt(slength, 32), lt(newlength, 32))
case 2 {
sstore(
_preBytes.slot,
add(
fslot,
add(
mul(
div(
mload(add(_postBytes, 0x20)),
exp(0x100, sub(32, mlength))
),
exp(0x100, sub(32, newlength))
),
mul(mlength, 2)
)
)
)
}
case 1 {
mstore(0x0, _preBytes.slot)
let sc := add(keccak256(0x0, 0x20), div(slength, 32))
sstore(_preBytes.slot, add(mul(newlength, 2), 1))
let submod := sub(32, slength)
let mc := add(_postBytes, submod)
let end := add(_postBytes, mlength)
let mask := sub(exp(0x100, submod), 1)
sstore(
sc,
add(
and(
fslot,
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00
),
and(mload(mc), mask)
)
)
for {
mc := add(mc, 0x20)
sc := add(sc, 1)
} lt(mc, end) {
sc := add(sc, 1)
mc := add(mc, 0x20)
} {
sstore(sc, mload(mc))
}
mask := exp(0x100, sub(mc, end))
sstore(sc, mul(div(mload(mc), mask), mask))
}
default {
mstore(0x0, _preBytes.slot)
let sc := add(keccak256(0x0, 0x20), div(slength, 32))
sstore(_preBytes.slot, add(mul(newlength, 2), 1))
let slengthmod := mod(slength, 32)
let mlengthmod := mod(mlength, 32)
let submod := sub(32, slengthmod)
let mc := add(_postBytes, submod)
let end := add(_postBytes, mlength)
let mask := sub(exp(0x100, submod), 1)
sstore(sc, add(sload(sc), and(mload(mc), mask)))
for {
sc := add(sc, 1)
mc := add(mc, 0x20)
} lt(mc, end) {
sc := add(sc, 1)
mc := add(mc, 0x20)
} {
sstore(sc, mload(mc))
}
mask := exp(0x100, sub(mc, end))
sstore(sc, mul(div(mload(mc), mask), mask))
}
}
}
function slice(
bytes memory _bytes,
uint256 _start,
uint256 _length
)
internal
pure
returns (bytes memory)
{
require(_length + 31 >= _length, "slice_overflow");
require(_bytes.length >= _start + _length, "slice_outOfBounds");
bytes memory tempBytes;
assembly {
switch iszero(_length)
case 0 {
tempBytes := mload(0x40)
let lengthmod := and(_length, 31)
let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))
let end := add(mc, _length)
for {
let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)
} lt(mc, end) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
mstore(mc, mload(cc))
}
mstore(tempBytes, _length)
mstore(0x40, and(add(mc, 31), not(31)))
}
default {
tempBytes := mload(0x40)
mstore(tempBytes, 0)
mstore(0x40, add(tempBytes, 0x20))
}
}
return tempBytes;
}
function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) {
require(_bytes.length >= _start + 20, "toAddress_outOfBounds");
address tempAddress;
assembly {
tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000)
}
return tempAddress;
}
function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) {
require(_bytes.length >= _start + 1 , "toUint8_outOfBounds");
uint8 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x1), _start))
}
return tempUint;
}
function toUint16(bytes memory _bytes, uint256 _start) internal pure returns (uint16) {
require(_bytes.length >= _start + 2, "toUint16_outOfBounds");
uint16 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x2), _start))
}
return tempUint;
}
function toUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32) {
require(_bytes.length >= _start + 4, "toUint32_outOfBounds");
uint32 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x4), _start))
}
return tempUint;
}
function toUint64(bytes memory _bytes, uint256 _start) internal pure returns (uint64) {
require(_bytes.length >= _start + 8, "toUint64_outOfBounds");
uint64 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x8), _start))
}
return tempUint;
}
function toUint96(bytes memory _bytes, uint256 _start) internal pure returns (uint96) {
require(_bytes.length >= _start + 12, "toUint96_outOfBounds");
uint96 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0xc), _start))
}
return tempUint;
}
function toUint128(bytes memory _bytes, uint256 _start) internal pure returns (uint128) {
require(_bytes.length >= _start + 16, "toUint128_outOfBounds");
uint128 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x10), _start))
}
return tempUint;
}
function toUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256) {
require(_bytes.length >= _start + 32, "toUint256_outOfBounds");
uint256 tempUint;
assembly {
tempUint := mload(add(add(_bytes, 0x20), _start))
}
return tempUint;
}
function toBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32) {
require(_bytes.length >= _start + 32, "toBytes32_outOfBounds");
bytes32 tempBytes32;
assembly {
tempBytes32 := mload(add(add(_bytes, 0x20), _start))
}
return tempBytes32;
}
function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) {
bool success = true;
assembly {
let length := mload(_preBytes)
switch eq(length, mload(_postBytes))
case 1 {
let cb := 1
let mc := add(_preBytes, 0x20)
let end := add(mc, length)
for {
let cc := add(_postBytes, 0x20)
} eq(add(lt(mc, end), cb), 2) {
mc := add(mc, 0x20)
cc := add(cc, 0x20)
} {
if iszero(eq(mload(mc), mload(cc))) {
success := 0
cb := 0
}
}
}
default {
success := 0
}
}
return success;
}
function equalStorage(
bytes storage _preBytes,
bytes memory _postBytes
)
internal
view
returns (bool)
{
bool success = true;
assembly {
let fslot := sload(_preBytes.slot)
let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2)
let mlength := mload(_postBytes)
switch eq(slength, mlength)
case 1 {
if iszero(iszero(slength)) {
switch lt(slength, 32)
case 1 {
fslot := mul(div(fslot, 0x100), 0x100)
if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) {
success := 0
}
}
default {
let cb := 1
mstore(0x0, _preBytes.slot)
let sc := keccak256(0x0, 0x20)
let mc := add(_postBytes, 0x20)
let end := add(mc, mlength)
for {} eq(add(lt(mc, end), cb), 2) {
sc := add(sc, 1)
mc := add(mc, 0x20)
} {
if iszero(eq(sload(sc), mload(mc))) {
success := 0
cb := 0
}
}
}
}
}
default {
success := 0
}
}
return success;
}
}
abstract contract LzApp is Ownable, ILayerZeroReceiver, ILayerZeroUserApplicationConfig {
using BytesLib for bytes;
uint constant public DEFAULT_PAYLOAD_SIZE_LIMIT = 10000;
ILayerZeroEndpoint public immutable lzEndpoint;
mapping(uint16 => bytes) public trustedRemoteLookup;
mapping(uint16 => mapping(uint16 => uint)) public minDstGasLookup;
mapping(uint16 => uint) public payloadSizeLimitLookup;
address public precrime;
event SetPrecrime(address precrime);
event SetTrustedRemote(uint16 _remoteChainId, bytes _path);
event SetTrustedRemoteAddress(uint16 _remoteChainId, bytes _remoteAddress);
event SetMinDstGas(uint16 _dstChainId, uint16 _type, uint _minDstGas);
constructor(address _endpoint) {
lzEndpoint = ILayerZeroEndpoint(_endpoint);
}
function lzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) public virtual override {
require(_msgSender() == address(lzEndpoint), "LzApp: invalid endpoint caller");
bytes memory trustedRemote = trustedRemoteLookup[_srcChainId];
require(_srcAddress.length == trustedRemote.length && trustedRemote.length > 0 && keccak256(_srcAddress) == keccak256(trustedRemote), "LzApp: invalid source sending contract");
_blockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
}
function _blockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual;
function _lzSend(uint16 _dstChainId, bytes memory _payload, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams, uint _nativeFee) internal virtual {
bytes memory trustedRemote = trustedRemoteLookup[_dstChainId];
require(trustedRemote.length != 0, "LzApp: destination chain is not a trusted source");
_checkPayloadSize(_dstChainId, _payload.length);
lzEndpoint.send{value: _nativeFee}(_dstChainId, trustedRemote, _payload, _refundAddress, _zroPaymentAddress, _adapterParams);
}
function _checkGasLimit(uint16 _dstChainId, uint16 _type, bytes memory _adapterParams, uint _extraGas) internal view virtual {
uint providedGasLimit = _getGasLimit(_adapterParams);
uint minGasLimit = minDstGasLookup[_dstChainId][_type] + _extraGas;
require(minGasLimit > 0, "LzApp: minGasLimit not set");
require(providedGasLimit >= minGasLimit, "LzApp: gas limit is too low");
}
function _getGasLimit(bytes memory _adapterParams) internal pure virtual returns (uint gasLimit) {
require(_adapterParams.length >= 34, "LzApp: invalid adapterParams");
assembly {
gasLimit := mload(add(_adapterParams, 34))
}
}
function _checkPayloadSize(uint16 _dstChainId, uint _payloadSize) internal view virtual {
uint payloadSizeLimit = payloadSizeLimitLookup[_dstChainId];
if (payloadSizeLimit == 0) {
payloadSizeLimit = DEFAULT_PAYLOAD_SIZE_LIMIT;
}
require(_payloadSize <= payloadSizeLimit, "LzApp: payload size is too large");
}
function getConfig(uint16 _version, uint16 _chainId, address, uint _configType) external view returns (bytes memory) {
return lzEndpoint.getConfig(_version, _chainId, address(this), _configType);
}
function setConfig(uint16 _version, uint16 _chainId, uint _configType, bytes calldata _config) external override onlyOwner {
lzEndpoint.setConfig(_version, _chainId, _configType, _config);
}
function setSendVersion(uint16 _version) external override onlyOwner {
lzEndpoint.setSendVersion(_version);
}
function setReceiveVersion(uint16 _version) external override onlyOwner {
lzEndpoint.setReceiveVersion(_version);
}
function forceResumeReceive(uint16 _srcChainId, bytes calldata _srcAddress) external override onlyOwner {
lzEndpoint.forceResumeReceive(_srcChainId, _srcAddress);
}
function setTrustedRemote(uint16 _remoteChainId, bytes calldata _path) external onlyOwner {
trustedRemoteLookup[_remoteChainId] = _path;
emit SetTrustedRemote(_remoteChainId, _path);
}
function setTrustedRemoteAddress(uint16 _remoteChainId, bytes calldata _remoteAddress) external onlyOwner {
trustedRemoteLookup[_remoteChainId] = abi.encodePacked(_remoteAddress, address(this));
emit SetTrustedRemoteAddress(_remoteChainId, _remoteAddress);
}
function getTrustedRemoteAddress(uint16 _remoteChainId) external view returns (bytes memory) {
bytes memory path = trustedRemoteLookup[_remoteChainId];
require(path.length != 0, "LzApp: no trusted path record");
return path.slice(0, path.length - 20);
}
function setPrecrime(address _precrime) external onlyOwner {
precrime = _precrime;
emit SetPrecrime(_precrime);
}
function setMinDstGas(uint16 _dstChainId, uint16 _packetType, uint _minGas) external onlyOwner {
require(_minGas > 0, "LzApp: invalid minGas");
minDstGasLookup[_dstChainId][_packetType] = _minGas;
emit SetMinDstGas(_dstChainId, _packetType, _minGas);
}
function setPayloadSizeLimit(uint16 _dstChainId, uint _size) external onlyOwner {
payloadSizeLimitLookup[_dstChainId] = _size;
}
function isTrustedRemote(uint16 _srcChainId, bytes calldata _srcAddress) external view returns (bool) {
bytes memory trustedSource = trustedRemoteLookup[_srcChainId];
return keccak256(trustedSource) == keccak256(_srcAddress);
}
}
library ExcessivelySafeCall {
uint256 constant LOW_28_MASK =
0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff;
function excessivelySafeCall(
address _target,
uint256 _gas,
uint16 _maxCopy,
bytes memory _calldata
) internal returns (bool, bytes memory) {
uint256 _toCopy;
bool _success;
bytes memory _returnData = new bytes(_maxCopy);
assembly {
_success := call(
_gas,
_target,
0,
add(_calldata, 0x20),
mload(_calldata),
0,
0
)
_toCopy := returndatasize()
if gt(_toCopy, _maxCopy) {
_toCopy := _maxCopy
}
mstore(_returnData, _toCopy)
returndatacopy(add(_returnData, 0x20), 0, _toCopy)
}
return (_success, _returnData);
}
function excessivelySafeStaticCall(
address _target,
uint256 _gas,
uint16 _maxCopy,
bytes memory _calldata
) internal view returns (bool, bytes memory) {
uint256 _toCopy;
bool _success;
bytes memory _returnData = new bytes(_maxCopy);
assembly {
_success := staticcall(
_gas,
_target,
add(_calldata, 0x20),
mload(_calldata),
0,
0
)
_toCopy := returndatasize()
if gt(_toCopy, _maxCopy) {
_toCopy := _maxCopy
}
mstore(_returnData, _toCopy)
returndatacopy(add(_returnData, 0x20), 0, _toCopy)
}
return (_success, _returnData);
}
function swapSelector(bytes4 _newSelector, bytes memory _buf)
internal
pure
{
require(_buf.length >= 4);
uint256 _mask = LOW_28_MASK;
assembly {
let _word := mload(add(_buf, 0x20))
_word := and(_word, _mask)
_word := or(_newSelector, _word)
mstore(add(_buf, 0x20), _word)
}
}
}
abstract contract NonblockingLzApp is LzApp {
using ExcessivelySafeCall for address;
constructor(address _endpoint) LzApp(_endpoint) {}
mapping(uint16 => mapping(bytes => mapping(uint64 => bytes32))) public failedMessages;
event MessageFailed(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes _payload, bytes _reason);
event RetryMessageSuccess(uint16 _srcChainId, bytes _srcAddress, uint64 _nonce, bytes32 _payloadHash);
function _blockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual override {
(bool success, bytes memory reason) = address(this).excessivelySafeCall(gasleft(), 150, abi.encodeWithSelector(this.nonblockingLzReceive.selector, _srcChainId, _srcAddress, _nonce, _payload));
if (!success) {
_storeFailedMessage(_srcChainId, _srcAddress, _nonce, _payload, reason);
}
}
function _storeFailedMessage(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload, bytes memory _reason) internal virtual {
failedMessages[_srcChainId][_srcAddress][_nonce] = keccak256(_payload);
emit MessageFailed(_srcChainId, _srcAddress, _nonce, _payload, _reason);
}
function nonblockingLzReceive(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) public virtual {
require(_msgSender() == address(this), "NonblockingLzApp: caller must be LzApp");
_nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
}
function _nonblockingLzReceive(uint16 _srcChainId, bytes memory _srcAddress, uint64 _nonce, bytes memory _payload) internal virtual;
function retryMessage(uint16 _srcChainId, bytes calldata _srcAddress, uint64 _nonce, bytes calldata _payload) public payable virtual {
bytes32 payloadHash = failedMessages[_srcChainId][_srcAddress][_nonce];
require(payloadHash != bytes32(0), "NonblockingLzApp: no stored message");
require(keccak256(_payload) == payloadHash, "NonblockingLzApp: invalid payload");
failedMessages[_srcChainId][_srcAddress][_nonce] = bytes32(0);
_nonblockingLzReceive(_srcChainId, _srcAddress, _nonce, _payload);
emit RetryMessageSuccess(_srcChainId, _srcAddress, _nonce, payloadHash);
}
}
abstract contract ERC165 is IERC165 {
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}
abstract contract ReentrancyGuard {
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
_status = _ENTERED;
}
function _nonReentrantAfter() private {
_status = _NOT_ENTERED;
}
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}
abstract contract ONFT721Core is NonblockingLzApp, ERC165, ReentrancyGuard, IONFT721Core {
uint16 public constant FUNCTION_TYPE_SEND = 1;
struct StoredCredit {
uint16 srcChainId;
address toAddress;
uint256 index;
bool creditsRemain;
}
uint256 public minGasToTransferAndStore;
mapping(uint16 => uint256) public dstChainIdToBatchLimit;
mapping(uint16 => uint256) public dstChainIdToTransferGas;
mapping(bytes32 => StoredCredit) public storedCredits;
constructor(uint256 _minGasToTransferAndStore, address _lzEndpoint) NonblockingLzApp(_lzEndpoint) {
require(_minGasToTransferAndStore > 0, "minGasToTransferAndStore must be > 0");
minGasToTransferAndStore = _minGasToTransferAndStore;
}
function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
return interfaceId == type(IONFT721Core).interfaceId || super.supportsInterface(interfaceId);
}
function estimateSendFee(uint16 _dstChainId, bytes memory _toAddress, uint _tokenId, bool _useZro, bytes memory _adapterParams) public view virtual override returns (uint nativeFee, uint zroFee) {
return estimateSendBatchFee(_dstChainId, _toAddress, _toSingletonArray(_tokenId), _useZro, _adapterParams);
}
function estimateSendBatchFee(uint16 _dstChainId, bytes memory _toAddress, uint[] memory _tokenIds, bool _useZro, bytes memory _adapterParams) public view virtual override returns (uint nativeFee, uint zroFee) {
bytes memory payload = abi.encode(_toAddress, _tokenIds);
return lzEndpoint.estimateFees(_dstChainId, address(this), payload, _useZro, _adapterParams);
}
function sendFrom(address _from, uint16 _dstChainId, bytes memory _toAddress, uint _tokenId, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams) public payable virtual override {
_send(_from, _dstChainId, _toAddress, _toSingletonArray(_tokenId), _refundAddress, _zroPaymentAddress, _adapterParams);
}
function sendBatchFrom(address _from, uint16 _dstChainId, bytes memory _toAddress, uint[] memory _tokenIds, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams) public payable virtual override {
_send(_from, _dstChainId, _toAddress, _tokenIds, _refundAddress, _zroPaymentAddress, _adapterParams);
}
function _send(address _from, uint16 _dstChainId, bytes memory _toAddress, uint[] memory _tokenIds, address payable _refundAddress, address _zroPaymentAddress, bytes memory _adapterParams) internal virtual {
require(_tokenIds.length > 0, "tokenIds[] is empty");
require(_tokenIds.length == 1 || _tokenIds.length <= dstChainIdToBatchLimit[_dstChainId], "batch size exceeds dst batch limit");
for (uint i = 0; i < _tokenIds.length; i++) {
_debitFrom(_from, _dstChainId, _toAddress, _tokenIds[i]);
}
bytes memory payload = abi.encode(_toAddress, _tokenIds);
_checkGasLimit(_dstChainId, FUNCTION_TYPE_SEND, _adapterParams, dstChainIdToTransferGas[_dstChainId] * _tokenIds.length);
_lzSend(_dstChainId, payload, _refundAddress, _zroPaymentAddress, _adapterParams, msg.value);
emit SendToChain(_dstChainId, _from, _toAddress, _tokenIds);
}
function _nonblockingLzReceive(
uint16 _srcChainId,
bytes memory _srcAddress,
uint64,
bytes memory _payload
) internal virtual override {
(bytes memory toAddressBytes, uint[] memory tokenIds) = abi.decode(_payload, (bytes, uint[]));
address toAddress;
assembly {
toAddress := mload(add(toAddressBytes, 20))
}
uint nextIndex = _creditTill(_srcChainId, toAddress, 0, tokenIds);
if (nextIndex < tokenIds.length) {
bytes32 hashedPayload = keccak256(_payload);
storedCredits[hashedPayload] = StoredCredit(_srcChainId, toAddress, nextIndex, true);
emit CreditStored(hashedPayload, _payload);
}
emit ReceiveFromChain(_srcChainId, _srcAddress, toAddress, tokenIds);
}
function clearCredits(bytes memory _payload) external virtual nonReentrant {
bytes32 hashedPayload = keccak256(_payload);
require(storedCredits[hashedPayload].creditsRemain, "no credits stored");
(, uint[] memory tokenIds) = abi.decode(_payload, (bytes, uint[]));
uint nextIndex = _creditTill(storedCredits[hashedPayload].srcChainId, storedCredits[hashedPayload].toAddress, storedCredits[hashedPayload].index, tokenIds);
require(nextIndex > storedCredits[hashedPayload].index, "not enough gas to process credit transfer");
if (nextIndex == tokenIds.length) {
delete storedCredits[hashedPayload];
emit CreditCleared(hashedPayload);
} else {
storedCredits[hashedPayload] = StoredCredit(storedCredits[hashedPayload].srcChainId, storedCredits[hashedPayload].toAddress, nextIndex, true);
}
}
function _creditTill(uint16 _srcChainId, address _toAddress, uint _startIndex, uint[] memory _tokenIds) internal returns (uint256){
uint i = _startIndex;
while (i < _tokenIds.length) {
if (gasleft() < minGasToTransferAndStore) break;
_creditTo(_srcChainId, _toAddress, _tokenIds[i]);
i++;
}
return i;
}
function setMinGasToTransferAndStore(uint256 _minGasToTransferAndStore) external onlyOwner {
require(_minGasToTransferAndStore > 0, "minGasToTransferAndStore must be > 0");
minGasToTransferAndStore = _minGasToTransferAndStore;
emit SetMinGasToTransferAndStore(_minGasToTransferAndStore);
}
function setDstChainIdToTransferGas(uint16 _dstChainId, uint256 _dstChainIdToTransferGas) external onlyOwner {
require(_dstChainIdToTransferGas > 0, "dstChainIdToTransferGas must be > 0");
dstChainIdToTransferGas[_dstChainId] = _dstChainIdToTransferGas;
emit SetDstChainIdToTransferGas(_dstChainId, _dstChainIdToTransferGas);
}
function setDstChainIdToBatchLimit(uint16 _dstChainId, uint256 _dstChainIdToBatchLimit) external onlyOwner {
require(_dstChainIdToBatchLimit > 0, "dstChainIdToBatchLimit must be > 0");
dstChainIdToBatchLimit[_dstChainId] = _dstChainIdToBatchLimit;
emit SetDstChainIdToBatchLimit(_dstChainId, _dstChainIdToBatchLimit);
}
function _debitFrom(address _from, uint16 _dstChainId, bytes memory _toAddress, uint _tokenId) internal virtual;
function _creditTo(uint16 _srcChainId, address _toAddress, uint _tokenId) internal virtual;
function _toSingletonArray(uint element) internal pure returns (uint[] memory) {
uint[] memory array = new uint[](1);
array[0] = element;
return array;
}
}
interface IERC721Receiver {
function onERC721Received(
address operator,
address from,
uint256 tokenId,
bytes calldata data
) external returns (bytes4);
}
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);
}
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 functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
library Math {
enum Rounding {
Down,
Up,
Zero
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
function average(uint256 a, uint256 b) internal pure returns (uint256) {
return (a & b) + (a ^ b) / 2;
}
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
return a == 0 ? 0 : (a - 1) / b + 1;
}
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
uint256 prod0;
uint256 prod1;
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
return prod0 / denominator;
}
require(denominator > prod1, "Math: mulDiv overflow");
uint256 remainder;
assembly {
remainder := mulmod(x, y, denominator)
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
uint256 twos = denominator & (~denominator + 1);
assembly {
denominator := div(denominator, twos)
prod0 := div(prod0, twos)
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
uint256 inverse = (3 * denominator) ^ 2;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
result = prod0 * inverse;
return result;
}
}
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 result = 1 << (log2(a) >> 1);
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
library SignedMath {
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
function average(int256 a, int256 b) internal pure returns (int256) {
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
function abs(int256 n) internal pure returns (uint256) {
unchecked {
return uint256(n >= 0 ? n : -n);
}
}
}
library Strings {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
}
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
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] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}
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: address zero is not a valid owner");
return _balances[owner];
}
function ownerOf(uint256 tokenId) public view virtual override returns (address) {
address owner = _ownerOf(tokenId);
require(owner != address(0), "ERC721: invalid token ID");
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) {
_requireMinted(tokenId);
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 token owner or approved for all"
);
_approve(to, tokenId);
}
function getApproved(uint256 tokenId) public view virtual override returns (address) {
_requireMinted(tokenId);
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: caller is not token owner or 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: caller is not token owner or 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 _ownerOf(uint256 tokenId) internal view virtual returns (address) {
return _owners[tokenId];
}
function _exists(uint256 tokenId) internal view virtual returns (bool) {
return _ownerOf(tokenId) != address(0);
}
function _isApprovedOrOwner(address spender, uint256 tokenId) internal view virtual returns (bool) {
address owner = ERC721.ownerOf(tokenId);
return (spender == owner || isApprovedForAll(owner, spender) || getApproved(tokenId) == 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, 1);
require(!_exists(tokenId), "ERC721: token already minted");
unchecked {
_balances[to] += 1;
}
_owners[tokenId] = to;
emit Transfer(address(0), to, tokenId);
_afterTokenTransfer(address(0), to, tokenId, 1);
}
function _burn(uint256 tokenId) internal virtual {
address owner = ERC721.ownerOf(tokenId);
_beforeTokenTransfer(owner, address(0), tokenId, 1);
owner = ERC721.ownerOf(tokenId);
delete _tokenApprovals[tokenId];
unchecked {
_balances[owner] -= 1;
}
delete _owners[tokenId];
emit Transfer(owner, address(0), tokenId);
_afterTokenTransfer(owner, address(0), tokenId, 1);
}
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, 1);
require(ERC721.ownerOf(tokenId) == from, "ERC721: transfer from incorrect owner");
delete _tokenApprovals[tokenId];
unchecked {
_balances[from] -= 1;
_balances[to] += 1;
}
_owners[tokenId] = to;
emit Transfer(from, to, tokenId);
_afterTokenTransfer(from, to, tokenId, 1);
}
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 _requireMinted(uint256 tokenId) internal view virtual {
require(_exists(tokenId), "ERC721: invalid token ID");
}
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 firstTokenId, uint256 batchSize) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 firstTokenId, uint256 batchSize) internal virtual {}
function __unsafe_increaseBalance(address account, uint256 amount) internal {
_balances[account] += amount;
}
}
contract ONFT721 is ONFT721Core, ERC721, IONFT721 {
constructor(string memory _name, string memory _symbol, uint256 _minGasToTransfer, address _lzEndpoint) ERC721(_name, _symbol) ONFT721Core(_minGasToTransfer, _lzEndpoint) {}
function supportsInterface(bytes4 interfaceId) public view virtual override(ONFT721Core, ERC721, IERC165) returns (bool) {
return interfaceId == type(IONFT721).interfaceId || super.supportsInterface(interfaceId);
}
function _debitFrom(address _from, uint16, bytes memory, uint _tokenId) internal virtual override {
require(_isApprovedOrOwner(_msgSender(), _tokenId), "ONFT721: send caller is not owner nor approved");
require(ERC721.ownerOf(_tokenId) == _from, "ONFT721: send from incorrect owner");
_transfer(_from, address(this), _tokenId);
}
function _creditTo(uint16, address _toAddress, uint _tokenId) internal virtual override {
require(!_exists(_tokenId) || (_exists(_tokenId) && ERC721.ownerOf(_tokenId) == address(this)));
if (!_exists(_tokenId)) {
_safeMint(_toAddress, _tokenId);
} else {
_transfer(address(this), _toAddress, _tokenId);
}
}
}
interface IERC721Enumerable is IERC721 {
function totalSupply() external view returns (uint256);
function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);
function tokenByIndex(uint256 index) external view returns (uint256);
}
abstract contract ERC721Enumerable is ERC721, IERC721Enumerable {
mapping(address => mapping(uint256 => uint256)) private _ownedTokens;
mapping(uint256 => uint256) private _ownedTokensIndex;
uint256[] private _allTokens;
mapping(uint256 => uint256) private _allTokensIndex;
function supportsInterface(bytes4 interfaceId) public view virtual override(IERC165, ERC721) returns (bool) {
return interfaceId == type(IERC721Enumerable).interfaceId || super.supportsInterface(interfaceId);
}
function tokenOfOwnerByIndex(address owner, uint256 index) public view virtual override returns (uint256) {
require(index < ERC721.balanceOf(owner), "ERC721Enumerable: owner index out of bounds");
return _ownedTokens[owner][index];
}
function totalSupply() public view virtual override returns (uint256) {
return _allTokens.length;
}
function tokenByIndex(uint256 index) public view virtual override returns (uint256) {
require(index < ERC721Enumerable.totalSupply(), "ERC721Enumerable: global index out of bounds");
return _allTokens[index];
}
function _beforeTokenTransfer(
address from,
address to,
uint256 firstTokenId,
uint256 batchSize
) internal virtual override {
super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
if (batchSize > 1) {
revert("ERC721Enumerable: consecutive transfers not supported");
}
uint256 tokenId = firstTokenId;
if (from == address(0)) {
_addTokenToAllTokensEnumeration(tokenId);
} else if (from != to) {
_removeTokenFromOwnerEnumeration(from, tokenId);
}
if (to == address(0)) {
_removeTokenFromAllTokensEnumeration(tokenId);
} else if (to != from) {
_addTokenToOwnerEnumeration(to, tokenId);
}
}
function _addTokenToOwnerEnumeration(address to, uint256 tokenId) private {
uint256 length = ERC721.balanceOf(to);
_ownedTokens[to][length] = tokenId;
_ownedTokensIndex[tokenId] = length;
}
function _addTokenToAllTokensEnumeration(uint256 tokenId) private {
_allTokensIndex[tokenId] = _allTokens.length;
_allTokens.push(tokenId);
}
function _removeTokenFromOwnerEnumeration(address from, uint256 tokenId) private {
uint256 lastTokenIndex = ERC721.balanceOf(from) - 1;
uint256 tokenIndex = _ownedTokensIndex[tokenId];
if (tokenIndex != lastTokenIndex) {
uint256 lastTokenId = _ownedTokens[from][lastTokenIndex];
_ownedTokens[from][tokenIndex] = lastTokenId;
_ownedTokensIndex[lastTokenId] = tokenIndex;
}
delete _ownedTokensIndex[tokenId];
delete _ownedTokens[from][lastTokenIndex];
}
function _removeTokenFromAllTokensEnumeration(uint256 tokenId) private {
uint256 lastTokenIndex = _allTokens.length - 1;
uint256 tokenIndex = _allTokensIndex[tokenId];
uint256 lastTokenId = _allTokens[lastTokenIndex];
_allTokens[tokenIndex] = lastTokenId;
_allTokensIndex[lastTokenId] = tokenIndex;
delete _allTokensIndex[tokenId];
_allTokens.pop();
}
}
contract GetMintONFT721 is ONFT721, ERC721Enumerable {
uint8 public constant ERROR_INVALID_URI_LOCK_STATE = 1;
uint8 public constant ERROR_MINT_EXCEEDS_LIMIT = 2;
uint8 public constant ERROR_MINT_INVALID_FEE = 3;
uint8 public constant ERROR_INVALID_TOKEN_ID = 4;
uint8 public constant ERROR_INVALID_COLLECTOR_ADDRESS = 5;
uint8 public constant ERROR_NOTHING_TO_CLAIM = 6;
uint8 public constant ERROR_NOT_FEE_COLLECTOR = 7;
uint8 public constant ERROR_REFERRAL_BIPS_TOO_HIGH = 8;
uint8 public constant ERROR_INVALID_REFERER = 9;
error GetMintONFT721_CoreError(uint256 errorCode);
event MintFeeChanged(uint256 indexed oldMintFee, uint256 indexed newMintFee);
event BridgeFeeChanged(uint256 indexed oldBridgeFee, uint256 indexed newBridgeFee);
event ReferralEarningBipsChanged(uint256 indexed oldReferralEarningBips, uint256 indexed newReferralEarningBips);
event EarningBipsForReferrerChanged(address indexed referrer, uint256 newEraningBips);
event EarningBipsForReferrersChanged(address[] indexed referrers, uint256 newEraningBips);
event FeeCollectorChanged(address indexed oldFeeCollector, address indexed newFeeCollector);
event TokenURIChanged(string indexed oldTokenURI, string indexed newTokenURI, string fileExtension);
event TokenURILocked(bool indexed newState);
event ONFTMinted(
address indexed minter,
uint256 indexed itemId,
uint256 feeEarnings,
address indexed referrer,
uint256 referrerEarnings
);
event BridgeFeeEarned(
address indexed from,
uint16 indexed dstChainId,
uint256 amount
);
event FeeEarningsClaimed(address indexed collector, uint256 claimedAmount);
event ReferrerEarningsClaimed(address indexed referrer, uint256 claimedAmount);
uint256 public constant ONE_HUNDRED_PERCENT = 10000;
uint256 public constant FIFTY_PERCENT = 5000;
uint256 public constant DENOMINATOR = ONE_HUNDRED_PERCENT;
uint256 public immutable startMintId;
uint256 public immutable maxMintId;
uint256 public tokenCounter;
uint256 public mintFee;
uint256 public bridgeFee;
address public feeCollector;
uint256 public feeEarnedAmount;
uint256 public feeClaimedAmount;
uint256 public referralEarningBips;
mapping (address => uint256) public referrersEarningBips;
mapping (address => uint256) public referredTransactionsCount;
mapping (address => uint256) public referrersEarnedAmount;
mapping (address => uint256) public referrersClaimedAmount;
string private _tokenURIExtension;
string private _tokenBaseURI;
bool public tokenBaseURILocked;
modifier onlyFeeCollector() {
_checkFeeCollector();
_;
}
constructor(
uint256 _minGasToTransfer,
address _lzEndpoint,
uint256 _startMintId,
uint256 _endMintId,
uint256 _mintFee,
uint256 _bridgeFee,
address _feeCollector,
uint256 _referralEarningBips
) ONFT721("GetMintONFT", "GTM", _minGasToTransfer, _lzEndpoint) {
require(_startMintId < _endMintId, "Invalid mint range");
require(_endMintId < type(uint256).max, "Incorrect max mint ID");
require(_feeCollector != address(0), "Invalid fee collector address");
require(_referralEarningBips <= FIFTY_PERCENT, "Invalid referral earning shares");
startMintId = _startMintId;
maxMintId = _endMintId;
mintFee = _mintFee;
bridgeFee = _bridgeFee;
feeCollector = _feeCollector;
referralEarningBips = _referralEarningBips;
tokenCounter = _startMintId;
}
function setMintFee(uint256 _mintFee) external onlyOwner {
uint256 oldMintFee = mintFee;
mintFee = _mintFee;
emit MintFeeChanged(oldMintFee, _mintFee);
}
function setBridgeFee(uint256 _bridgeFee) external onlyOwner {
uint256 oldBridgeFee = bridgeFee;
bridgeFee = _bridgeFee;
emit BridgeFeeChanged(oldBridgeFee, _bridgeFee);
}
function setReferralEarningBips(uint256 _referralEarninBips) external onlyOwner {
_validate(_referralEarninBips <= FIFTY_PERCENT, ERROR_REFERRAL_BIPS_TOO_HIGH);
uint256 oldReferralEarningsShareBips = referralEarningBips;
referralEarningBips = _referralEarninBips;
emit ReferralEarningBipsChanged(oldReferralEarningsShareBips, _referralEarninBips);
}
function setEarningBipsForReferrer(
address referrer,
uint256 earningBips
) external onlyOwner {
_validate(earningBips <= ONE_HUNDRED_PERCENT, ERROR_REFERRAL_BIPS_TOO_HIGH);
referrersEarningBips[referrer] = earningBips;
emit EarningBipsForReferrerChanged(referrer, earningBips);
}
function setEarningBipsForReferrersBatch(
address[] calldata referrers,
uint256 earningBips
) external onlyOwner {
_validate(earningBips <= ONE_HUNDRED_PERCENT, ERROR_REFERRAL_BIPS_TOO_HIGH);
for (uint256 i; i < referrers.length; i++) {
referrersEarningBips[referrers[i]] = earningBips;
}
emit EarningBipsForReferrersChanged(referrers, earningBips);
}
function setFeeCollector(address _feeCollector) external onlyOwner {
_validate(_feeCollector != address(0), ERROR_INVALID_COLLECTOR_ADDRESS);
address oldFeeCollector = feeCollector;
feeCollector = _feeCollector;
emit FeeCollectorChanged(oldFeeCollector, _feeCollector);
}
function setTokenBaseURI(
string calldata _newTokenBaseURI,
string calldata _fileExtension
) external onlyOwner {
_validate(!tokenBaseURILocked, ERROR_INVALID_URI_LOCK_STATE);
string memory oldTokenBaseURI = _tokenBaseURI;
_tokenBaseURI = _newTokenBaseURI;
_tokenURIExtension = _fileExtension;
emit TokenURIChanged(oldTokenBaseURI, _newTokenBaseURI, _fileExtension);
}
function setTokenBaseURILocked(bool locked) external onlyOwner {
_validate(tokenBaseURILocked != locked, ERROR_INVALID_URI_LOCK_STATE);
tokenBaseURILocked = locked;
emit TokenURILocked(locked);
}
function tokenURI(uint256 tokenId) public view override returns (string memory) {
_validate(_exists(tokenId), ERROR_INVALID_TOKEN_ID);
return string(abi.encodePacked(_tokenBaseURI, Strings.toString(tokenId), _tokenURIExtension));
}
function mint() external payable nonReentrant {
uint256 newItemId = tokenCounter;
uint256 feeEarnings = mintFee;
_validate(newItemId < maxMintId, ERROR_MINT_EXCEEDS_LIMIT);
_validate(msg.value >= feeEarnings, ERROR_MINT_INVALID_FEE);
++tokenCounter;
feeEarnedAmount += feeEarnings;
_safeMint(_msgSender(), newItemId);
emit ONFTMinted(
_msgSender(),
newItemId,
feeEarnings,
address(0),
0
);
}
function mint(address referrer) public payable nonReentrant {
uint256 newItemId = tokenCounter;
uint256 _mintFee = mintFee;
_validate(newItemId < maxMintId, ERROR_MINT_EXCEEDS_LIMIT);
_validate(msg.value >= _mintFee, ERROR_MINT_INVALID_FEE);
_validate(referrer != _msgSender() && referrer != address(0), ERROR_INVALID_REFERER);
++tokenCounter;
uint256 referrerBips = referrersEarningBips[referrer];
uint256 referrerShareBips = referrerBips == 0
? referralEarningBips
: referrerBips;
uint256 referrerEarnings = (_mintFee * referrerShareBips) / DENOMINATOR;
uint256 feeEarnings = _mintFee - referrerEarnings;
referrersEarnedAmount[referrer] += referrerEarnings;
++referredTransactionsCount[referrer];
feeEarnedAmount += feeEarnings;
_safeMint(_msgSender(), newItemId);
emit ONFTMinted(
_msgSender(),
newItemId,
feeEarnings,
referrer,
referrerEarnings
);
}
function estimateSendFee(
uint16 _dstChainId,
bytes memory _toAddress,
uint _tokenId,
bool _useZro,
bytes memory _adapterParams
) public view virtual override(ONFT721Core, IONFT721Core) returns (uint nativeFee, uint zroFee) {
return this.estimateSendBatchFee(
_dstChainId,
_toAddress,
_toSingletonArray(_tokenId),
_useZro,
_adapterParams
);
}
function estimateSendBatchFee(
uint16 _dstChainId,
bytes memory _toAddress,
uint[] memory _tokenIds,
bool _useZro,
bytes memory _adapterParams
) public view override(ONFT721Core, IONFT721Core) returns (uint256 nativeFee, uint256 zroFee) {
(nativeFee, zroFee) = super.estimateSendBatchFee(
_dstChainId,
_toAddress,
_tokenIds,
_useZro,
_adapterParams
);
nativeFee += bridgeFee;
return (nativeFee, zroFee);
}
function sendFrom(
address _from,
uint16 _dstChainId,
bytes memory _toAddress,
uint _tokenId,
address payable _refundAddress,
address _zroPaymentAddress,
bytes memory _adapterParams
) public payable override(ONFT721Core, IONFT721Core) {
_handleSend(
_from,
_dstChainId,
_toAddress,
_toSingletonArray(_tokenId),
_refundAddress,
_zroPaymentAddress,
_adapterParams
);
}
function sendBatchFrom(
address _from,
uint16 _dstChainId,
bytes memory _toAddress,
uint[] memory _tokenIds,
address payable _refundAddress,
address _zroPaymentAddress,
bytes memory _adapterParams
) public payable virtual override(ONFT721Core, IONFT721Core) {
_handleSend(
_from,
_dstChainId,
_toAddress,
_tokenIds,
_refundAddress,
_zroPaymentAddress,
_adapterParams
);
}
function _handleSend(
address _from,
uint16 _dstChainId,
bytes memory _toAddress,
uint[] memory _tokenIds,
address payable _refundAddress,
address _zroPaymentAddress,
bytes memory _adapterParams
) private {
uint256 _bridgeFee = bridgeFee;
uint256 _nativeFee = msg.value - _bridgeFee;
feeEarnedAmount += _bridgeFee;
_send(
_from,
_dstChainId,
_toAddress,
_tokenIds,
_refundAddress,
_zroPaymentAddress,
_adapterParams,
_nativeFee
);
emit BridgeFeeEarned(_from, _dstChainId, _bridgeFee);
}
function _send(
address _from,
uint16 _dstChainId,
bytes memory _toAddress,
uint[] memory _tokenIds,
address payable _refundAddress,
address _zroPaymentAddress,
bytes memory _adapterParams,
uint256 _nativeFee
) internal virtual {
require(_tokenIds.length > 0, "tokenIds[] is empty");
require(
_tokenIds.length == 1 ||
_tokenIds.length <= dstChainIdToBatchLimit[_dstChainId],
"batch size exceeds dst batch limit"
);
for (uint i = 0; i < _tokenIds.length; i++) {
_debitFrom(_from, _dstChainId, _toAddress, _tokenIds[i]);
}
bytes memory payload = abi.encode(_toAddress, _tokenIds);
_checkGasLimit(
_dstChainId,
FUNCTION_TYPE_SEND,
_adapterParams,
dstChainIdToTransferGas[_dstChainId] * _tokenIds.length
);
_lzSend(
_dstChainId,
payload,
_refundAddress,
_zroPaymentAddress,
_adapterParams,
_nativeFee
);
emit SendToChain(_dstChainId, _from, _toAddress, _tokenIds);
}
function claimFeeEarnings() external onlyFeeCollector nonReentrant {
uint256 _feeEarnedAmount = feeEarnedAmount;
_validate(_feeEarnedAmount != 0, ERROR_NOTHING_TO_CLAIM);
uint256 currentEarnings = _feeEarnedAmount;
feeEarnedAmount = 0;
feeClaimedAmount += currentEarnings;
address _feeCollector = feeCollector;
(bool success, ) = payable(_feeCollector).call{value: currentEarnings}("");
require(success, "Failed to send Ether");
emit FeeEarningsClaimed(_feeCollector, currentEarnings);
}
function claimReferrerEarnings() external {
uint256 earnings = referrersEarnedAmount[_msgSender()];
_validate(earnings != 0, ERROR_NOTHING_TO_CLAIM);
referrersEarnedAmount[_msgSender()] = 0;
referrersClaimedAmount[_msgSender()] += earnings;
(bool sent, ) = payable(_msgSender()).call{value: earnings}("");
require(sent, "Failed to send Ether");
emit ReferrerEarningsClaimed(_msgSender(), earnings);
}
function _beforeTokenTransfer(
address from,
address to,
uint256 firstTokenId,
uint256 batchSize
) internal virtual override(ERC721, ERC721Enumerable) {
super._beforeTokenTransfer(from, to, firstTokenId, batchSize);
}
function supportsInterface(
bytes4 interfaceId
) public view virtual override(ERC721Enumerable, ONFT721) returns (bool) {
return interfaceId == type(IONFT721).interfaceId ||
super.supportsInterface(interfaceId);
}
function _checkFeeCollector() internal view {
_validate(feeCollector == _msgSender(), ERROR_NOT_FEE_COLLECTOR);
}
function _validate(bool _clause, uint8 _errorCode) internal pure {
if (!_clause) revert GetMintONFT721_CoreError(_errorCode);
}
}
