编译器
0.8.20+commit.a1b79de6
文件 1 的 39：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 39：AddressCast.sol
pragma solidity ^0.8.20;
library AddressCast {
error AddressCast_InvalidSizeForAddress();
error AddressCast_InvalidAddress();
function toBytes32(bytes calldata _addressBytes) internal pure returns (bytes32 result) {
if (_addressBytes.length > 32) revert AddressCast_InvalidAddress();
result = bytes32(_addressBytes);
unchecked {
uint256 offset = 32 - _addressBytes.length;
result = result >> (offset * 8);
}
}
function toBytes32(address _address) internal pure returns (bytes32 result) {
result = bytes32(uint256(uint160(_address)));
}
function toBytes(bytes32 _addressBytes32, uint256 _size) internal pure returns (bytes memory result) {
if (_size == 0 || _size > 32) revert AddressCast_InvalidSizeForAddress();
result = new bytes(_size);
unchecked {
uint256 offset = 256 - _size * 8;
assembly {
mstore(add(result, 32), shl(offset, _addressBytes32))
}
}
}
function toAddress(bytes32 _addressBytes32) internal pure returns (address result) {
result = address(uint160(uint256(_addressBytes32)));
}
function toAddress(bytes calldata _addressBytes) internal pure returns (address result) {
if (_addressBytes.length != 20) revert AddressCast_InvalidAddress();
result = address(bytes20(_addressBytes));
}
}
文件 3 的 39：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 39：DN404.sol
pragma solidity ^0.8.19;
abstract contract DN404 {
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
event SkipNFTSet(address indexed target, bool status);
error DNAlreadyInitialized();
error InsufficientBalance();
error InsufficientAllowance();
error TotalSupplyOverflow();
error SenderNotMirror();
error TransferToZeroAddress();
error MirrorAddressIsZero();
error LinkMirrorContractFailed();
error ApprovalCallerNotOwnerNorApproved();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TokenDoesNotExist();
uint256 internal constant _WAD = 10 ** 18;
uint256 internal constant _MAX_TOKEN_ID = 0xffffffff;
uint256 internal constant _MAX_SUPPLY = 10 ** 18 * 0xffffffff - 1;
uint8 internal constant _ADDRESS_DATA_INITIALIZED_FLAG = 1 << 0;
uint8 internal constant _ADDRESS_DATA_SKIP_NFT_FLAG = 1 << 1;
struct AddressData {
uint88 aux;
uint8 flags;
uint32 addressAlias;
uint32 ownedLength;
uint96 balance;
}
struct Uint32Map {
mapping(uint256 => uint256) map;
}
struct DN404Storage {
uint32 numAliases;
uint32 nextTokenId;
uint32 totalNFTSupply;
uint96 totalSupply;
address mirrorERC721;
mapping(uint32 => address) aliasToAddress;
mapping(address => mapping(address => bool)) operatorApprovals;
mapping(uint256 => address) tokenApprovals;
mapping(address => mapping(address => uint256)) allowance;
mapping(address => Uint32Map) owned;
Uint32Map oo;
mapping(address => AddressData) addressData;
}
function _getDN404Storage() internal pure virtual returns (DN404Storage storage $) {
assembly {
$.slot := 0xa20d6e21d0e5255308
}
}
function _initializeDN404(
uint256 initialTokenSupply,
address initialSupplyOwner,
address mirror
) internal virtual {
DN404Storage storage $ = _getDN404Storage();
if ($.nextTokenId != 0) revert DNAlreadyInitialized();
if (mirror == address(0)) revert MirrorAddressIsZero();
_linkMirrorContract(mirror);
$.nextTokenId = 1;
$.mirrorERC721 = mirror;
if (initialTokenSupply > 0) {
if (initialSupplyOwner == address(0)) revert TransferToZeroAddress();
if (initialTokenSupply > _MAX_SUPPLY) revert TotalSupplyOverflow();
$.totalSupply = uint96(initialTokenSupply);
AddressData storage initialOwnerAddressData = _addressData(initialSupplyOwner);
initialOwnerAddressData.balance = uint96(initialTokenSupply);
emit Transfer(address(0), initialSupplyOwner, initialTokenSupply);
_setSkipNFT(initialSupplyOwner, true);
}
}
function name() public view virtual returns (string memory);
function symbol() public view virtual returns (string memory);
function tokenURI(uint256 id) public view virtual returns (string memory);
function decimals() public pure returns (uint8) {
return 18;
}
function totalSupply() public view virtual returns (uint256) {
return uint256(_getDN404Storage().totalSupply);
}
function balanceOf(address owner) public view virtual returns (uint256) {
return _getDN404Storage().addressData[owner].balance;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _getDN404Storage().allowance[owner][spender];
}
function approve(address spender, uint256 amount) public virtual returns (bool) {
DN404Storage storage $ = _getDN404Storage();
$.allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address to, uint256 amount) public virtual returns (bool) {
_transfer(msg.sender, to, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual returns (bool) {
DN404Storage storage $ = _getDN404Storage();
uint256 allowed = $.allowance[from][msg.sender];
if (allowed != type(uint256).max) {
if (amount > allowed) revert InsufficientAllowance();
unchecked {
$.allowance[from][msg.sender] = allowed - amount;
}
}
_transfer(from, to, amount);
return true;
}
function _mint(address to, uint256 amount) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
DN404Storage storage $ = _getDN404Storage();
AddressData storage toAddressData = _addressData(to);
unchecked {
uint256 currentTokenSupply = uint256($.totalSupply) + amount;
if (amount > _MAX_SUPPLY || currentTokenSupply > _MAX_SUPPLY) {
revert TotalSupplyOverflow();
}
$.totalSupply = uint96(currentTokenSupply);
uint256 toBalance = toAddressData.balance + amount;
toAddressData.balance = uint96(toBalance);
if (toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG == 0) {
Uint32Map storage toOwned = $.owned[to];
uint256 toIndex = toAddressData.ownedLength;
uint256 toEnd = toBalance / _WAD;
_PackedLogs memory packedLogs = _packedLogsMalloc(_zeroFloorSub(toEnd, toIndex));
if (packedLogs.logs.length != 0) {
uint256 maxNFTId = $.totalSupply / _WAD;
uint32 toAlias = _registerAndResolveAlias(toAddressData, to);
uint256 id = $.nextTokenId;
$.totalNFTSupply += uint32(packedLogs.logs.length);
toAddressData.ownedLength = uint32(toEnd);
do {
while (_get($.oo, _ownershipIndex(id)) != 0) {
if (++id > maxNFTId) id = 1;
}
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex($.oo, id, toAlias, uint32(toIndex++));
_packedLogsAppend(packedLogs, to, id, 0);
if (++id > maxNFTId) id = 1;
} while (toIndex != toEnd);
$.nextTokenId = uint32(id);
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
DN404Storage storage $ = _getDN404Storage();
AddressData storage fromAddressData = _addressData(from);
uint256 fromBalance = fromAddressData.balance;
if (amount > fromBalance) revert InsufficientBalance();
uint256 currentTokenSupply = $.totalSupply;
unchecked {
fromBalance -= amount;
fromAddressData.balance = uint96(fromBalance);
currentTokenSupply -= amount;
$.totalSupply = uint96(currentTokenSupply);
Uint32Map storage fromOwned = $.owned[from];
uint256 fromIndex = fromAddressData.ownedLength;
uint256 nftAmountToBurn = _zeroFloorSub(fromIndex, fromBalance / _WAD);
if (nftAmountToBurn != 0) {
$.totalNFTSupply -= uint32(nftAmountToBurn);
_PackedLogs memory packedLogs = _packedLogsMalloc(nftAmountToBurn);
uint256 fromEnd = fromIndex - nftAmountToBurn;
do {
uint256 id = _get(fromOwned, --fromIndex);
_setOwnerAliasAndOwnedIndex($.oo, id, 0, 0);
delete $.tokenApprovals[id];
_packedLogsAppend(packedLogs, from, id, 1);
} while (fromIndex != fromEnd);
fromAddressData.ownedLength = uint32(fromIndex);
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
emit Transfer(from, address(0), amount);
}
function _transfer(address from, address to, uint256 amount) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
DN404Storage storage $ = _getDN404Storage();
AddressData storage fromAddressData = _addressData(from);
AddressData storage toAddressData = _addressData(to);
_TransferTemps memory t;
t.fromOwnedLength = fromAddressData.ownedLength;
t.toOwnedLength = toAddressData.ownedLength;
t.fromBalance = fromAddressData.balance;
if (amount > t.fromBalance) revert InsufficientBalance();
unchecked {
t.fromBalance -= amount;
fromAddressData.balance = uint96(t.fromBalance);
toAddressData.balance = uint96(t.toBalance = toAddressData.balance + amount);
t.nftAmountToBurn = _zeroFloorSub(t.fromOwnedLength, t.fromBalance / _WAD);
if (toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG == 0) {
if (from == to) t.toOwnedLength = t.fromOwnedLength - t.nftAmountToBurn;
t.nftAmountToMint = _zeroFloorSub(t.toBalance / _WAD, t.toOwnedLength);
}
_PackedLogs memory packedLogs = _packedLogsMalloc(t.nftAmountToBurn + t.nftAmountToMint);
if (t.nftAmountToBurn != 0) {
Uint32Map storage fromOwned = $.owned[from];
uint256 fromIndex = t.fromOwnedLength;
uint256 fromEnd = fromIndex - t.nftAmountToBurn;
$.totalNFTSupply -= uint32(t.nftAmountToBurn);
fromAddressData.ownedLength = uint32(fromEnd);
do {
uint256 id = _get(fromOwned, --fromIndex);
_setOwnerAliasAndOwnedIndex($.oo, id, 0, 0);
delete $.tokenApprovals[id];
_packedLogsAppend(packedLogs, from, id, 1);
} while (fromIndex != fromEnd);
}
if (t.nftAmountToMint != 0) {
Uint32Map storage toOwned = $.owned[to];
uint256 toIndex = t.toOwnedLength;
uint256 toEnd = toIndex + t.nftAmountToMint;
uint32 toAlias = _registerAndResolveAlias(toAddressData, to);
uint256 maxNFTId = $.totalSupply / _WAD;
uint256 id = $.nextTokenId;
$.totalNFTSupply += uint32(t.nftAmountToMint);
toAddressData.ownedLength = uint32(toEnd);
do {
while (_get($.oo, _ownershipIndex(id)) != 0) {
if (++id > maxNFTId) id = 1;
}
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex($.oo, id, toAlias, uint32(toIndex++));
_packedLogsAppend(packedLogs, to, id, 0);
if (++id > maxNFTId) id = 1;
} while (toIndex != toEnd);
$.nextTokenId = uint32(id);
}
if (packedLogs.logs.length != 0) {
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
emit Transfer(from, to, amount);
}
function _transferFromNFT(address from, address to, uint256 id, address msgSender)
internal
virtual
{
DN404Storage storage $ = _getDN404Storage();
if (to == address(0)) revert TransferToZeroAddress();
address owner = $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
if (from != owner) revert TransferFromIncorrectOwner();
if (msgSender != from) {
if (!$.operatorApprovals[from][msgSender]) {
if (msgSender != $.tokenApprovals[id]) {
revert TransferCallerNotOwnerNorApproved();
}
}
}
AddressData storage fromAddressData = _addressData(from);
AddressData storage toAddressData = _addressData(to);
fromAddressData.balance -= uint96(_WAD);
unchecked {
toAddressData.balance += uint96(_WAD);
_set($.oo, _ownershipIndex(id), _registerAndResolveAlias(toAddressData, to));
delete $.tokenApprovals[id];
uint256 updatedId = _get($.owned[from], --fromAddressData.ownedLength);
_set($.owned[from], _get($.oo, _ownedIndex(id)), uint32(updatedId));
uint256 n = toAddressData.ownedLength++;
_set($.oo, _ownedIndex(updatedId), _get($.oo, _ownedIndex(id)));
_set($.owned[to], n, uint32(id));
_set($.oo, _ownedIndex(id), uint32(n));
}
emit Transfer(from, to, _WAD);
}
function _getAux(address owner) internal view virtual returns (uint88) {
return _getDN404Storage().addressData[owner].aux;
}
function _setAux(address owner, uint88 value) internal virtual {
_getDN404Storage().addressData[owner].aux = value;
}
function getSkipNFT(address a) public view virtual returns (bool) {
AddressData storage d = _getDN404Storage().addressData[a];
if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) return _hasCode(a);
return d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0;
}
function setSkipNFT(bool skipNFT) public virtual {
_setSkipNFT(msg.sender, skipNFT);
}
function _setSkipNFT(address a, bool state) internal virtual {
AddressData storage d = _addressData(a);
if ((d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0) != state) {
d.flags ^= _ADDRESS_DATA_SKIP_NFT_FLAG;
}
emit SkipNFTSet(a, state);
}
function _addressData(address a) internal virtual returns (AddressData storage d) {
DN404Storage storage $ = _getDN404Storage();
d = $.addressData[a];
if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) {
uint8 flags = _ADDRESS_DATA_INITIALIZED_FLAG;
if (_hasCode(a)) flags |= _ADDRESS_DATA_SKIP_NFT_FLAG;
d.flags = flags;
}
}
function _registerAndResolveAlias(AddressData storage toAddressData, address to)
internal
virtual
returns (uint32 addressAlias)
{
DN404Storage storage $ = _getDN404Storage();
addressAlias = toAddressData.addressAlias;
if (addressAlias == 0) {
addressAlias = ++$.numAliases;
toAddressData.addressAlias = addressAlias;
$.aliasToAddress[addressAlias] = to;
}
}
function mirrorERC721() public view virtual returns (address) {
return _getDN404Storage().mirrorERC721;
}
function _totalNFTSupply() internal view virtual returns (uint256) {
return _getDN404Storage().totalNFTSupply;
}
function _balanceOfNFT(address owner) internal view virtual returns (uint256) {
return _getDN404Storage().addressData[owner].ownedLength;
}
function _ownerAt(uint256 id) internal view virtual returns (address) {
DN404Storage storage $ = _getDN404Storage();
return $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
}
function _ownerOf(uint256 id) internal view virtual returns (address) {
if (!_exists(id)) revert TokenDoesNotExist();
return _ownerAt(id);
}
function _exists(uint256 id) internal view virtual returns (bool) {
return _ownerAt(id) != address(0);
}
function _getApproved(uint256 id) internal view virtual returns (address) {
if (!_exists(id)) revert TokenDoesNotExist();
return _getDN404Storage().tokenApprovals[id];
}
function _approveNFT(address spender, uint256 id, address msgSender)
internal
virtual
returns (address)
{
DN404Storage storage $ = _getDN404Storage();
address owner = $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
if (msgSender != owner) {
if (!$.operatorApprovals[owner][msgSender]) {
revert ApprovalCallerNotOwnerNorApproved();
}
}
$.tokenApprovals[id] = spender;
return owner;
}
function _setApprovalForAll(address operator, bool approved, address msgSender)
internal
virtual
{
_getDN404Storage().operatorApprovals[msgSender][operator] = approved;
}
function _linkMirrorContract(address mirror) internal virtual {
assembly {
mstore(0x00, 0x0f4599e5)
mstore(0x20, caller())
if iszero(and(eq(mload(0x00), 1), call(gas(), mirror, 0, 0x1c, 0x24, 0x00, 0x20))) {
mstore(0x00, 0xd125259c)
revert(0x1c, 0x04)
}
}
}
modifier dn404Fallback() virtual {
DN404Storage storage $ = _getDN404Storage();
uint256 fnSelector = _calldataload(0x00) >> 224;
if (fnSelector == 0xe985e9c5) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x44) revert();
address owner = address(uint160(_calldataload(0x04)));
address operator = address(uint160(_calldataload(0x24)));
_return($.operatorApprovals[owner][operator] ? 1 : 0);
}
if (fnSelector == 0x6352211e) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x24) revert();
uint256 id = _calldataload(0x04);
_return(uint160(_ownerOf(id)));
}
if (fnSelector == 0xe5eb36c8) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x84) revert();
address from = address(uint160(_calldataload(0x04)));
address to = address(uint160(_calldataload(0x24)));
uint256 id = _calldataload(0x44);
address msgSender = address(uint160(_calldataload(0x64)));
_transferFromNFT(from, to, id, msgSender);
_return(1);
}
if (fnSelector == 0x813500fc) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x64) revert();
address spender = address(uint160(_calldataload(0x04)));
bool status = _calldataload(0x24) != 0;
address msgSender = address(uint160(_calldataload(0x44)));
_setApprovalForAll(spender, status, msgSender);
_return(1);
}
if (fnSelector == 0xd10b6e0c) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x64) revert();
address spender = address(uint160(_calldataload(0x04)));
uint256 id = _calldataload(0x24);
address msgSender = address(uint160(_calldataload(0x44)));
_return(uint160(_approveNFT(spender, id, msgSender)));
}
if (fnSelector == 0x081812fc) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x24) revert();
uint256 id = _calldataload(0x04);
_return(uint160(_getApproved(id)));
}
if (fnSelector == 0xf5b100ea) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x24) revert();
address owner = address(uint160(_calldataload(0x04)));
_return(_balanceOfNFT(owner));
}
if (fnSelector == 0xe2c79281) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x04) revert();
_return(_totalNFTSupply());
}
if (fnSelector == 0xb7a94eb8) {
_return(1);
}
_;
}
fallback() external payable virtual dn404Fallback {}
receive() external payable virtual {}
struct _PackedLogs {
uint256[] logs;
uint256 offset;
}
function _packedLogsMalloc(uint256 n) private pure returns (_PackedLogs memory p) {
assembly {
let logs := add(mload(0x40), 0x40)
mstore(logs, n)
let offset := add(0x20, logs)
mstore(0x40, add(offset, shl(5, n)))
mstore(p, logs)
mstore(add(0x20, p), offset)
}
}
function _packedLogsAppend(_PackedLogs memory p, address a, uint256 id, uint256 burnBit)
private
pure
{
assembly {
let offset := mload(add(0x20, p))
mstore(offset, or(or(shl(96, a), shl(8, id)), burnBit))
mstore(add(0x20, p), add(offset, 0x20))
}
}
function _packedLogsSend(_PackedLogs memory p, address mirror) private {
assembly {
let logs := mload(p)
let o := sub(logs, 0x40)
mstore(o, 0x263c69d6)
mstore(add(o, 0x20), 0x20)
let n := add(0x44, shl(5, mload(logs)))
if iszero(and(eq(mload(o), 1), call(gas(), mirror, 0, add(o, 0x1c), n, o, 0x20))) {
revert(o, 0x00)
}
}
}
struct _TransferTemps {
uint256 nftAmountToBurn;
uint256 nftAmountToMint;
uint256 fromBalance;
uint256 toBalance;
uint256 fromOwnedLength;
uint256 toOwnedLength;
}
function _hasCode(address a) private view returns (bool result) {
assembly {
result := extcodesize(a)
}
}
function _calldataload(uint256 offset) private pure returns (uint256 value) {
assembly {
value := calldataload(offset)
}
}
function _return(uint256 x) private pure {
assembly {
mstore(0x00, x)
return(0x00, 0x20)
}
}
function _zeroFloorSub(uint256 x, uint256 y) private pure returns (uint256 z) {
assembly {
z := mul(gt(x, y), sub(x, y))
}
}
function _ownershipIndex(uint256 i) private pure returns (uint256) {
return i << 1;
}
function _ownedIndex(uint256 i) private pure returns (uint256) {
unchecked {
return (i << 1) + 1;
}
}
function _get(Uint32Map storage map, uint256 index) private view returns (uint32 result) {
result = uint32(map.map[index >> 3] >> ((index & 7) << 5));
}
function _set(Uint32Map storage map, uint256 index, uint32 value) private {
assembly {
mstore(0x20, map.slot)
mstore(0x00, shr(3, index))
let s := keccak256(0x00, 0x40)
let o := shl(5, and(index, 7))
let v := sload(s)
let m := 0xffffffff
sstore(s, xor(v, shl(o, and(m, xor(shr(o, v), value)))))
}
}
function _setOwnerAliasAndOwnedIndex(
Uint32Map storage map,
uint256 id,
uint32 ownership,
uint32 ownedIndex
) private {
assembly {
let value := or(shl(32, ownedIndex), and(0xffffffff, ownership))
mstore(0x20, map.slot)
mstore(0x00, shr(2, id))
let s := keccak256(0x00, 0x40)
let o := shl(6, and(id, 3))
let v := sload(s)
let m := 0xffffffffffffffff
sstore(s, xor(v, shl(o, and(m, xor(shr(o, v), value)))))
}
}
}
文件 5 的 39：DN404Mirror.sol
pragma solidity ^0.8.4;
contract DN404Mirror {
event Transfer(address indexed from, address indexed to, uint256 indexed id);
event Approval(address indexed owner, address indexed account, uint256 indexed id);
event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved);
uint256 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
uint256 private constant _APPROVAL_EVENT_SIGNATURE =
0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925;
uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =
0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;
error SenderNotBase();
error SenderNotDeployer();
error TransferToNonERC721ReceiverImplementer();
error CannotLink();
error AlreadyLinked();
error NotLinked();
struct DN404NFTStorage {
address baseERC20;
address deployer;
}
function _getDN404NFTStorage() internal pure virtual returns (DN404NFTStorage storage $) {
assembly {
$.slot := 0x3602298b8c10b01230
}
}
constructor(address deployer) {
_getDN404NFTStorage().deployer = deployer;
}
function name() public view virtual returns (string memory result) {
address base = baseERC20();
assembly {
result := mload(0x40)
mstore(0x00, 0x06fdde03)
if iszero(staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20)
returndatacopy(result, mload(0x00), 0x20)
returndatacopy(add(result, 0x20), add(mload(0x00), 0x20), mload(result))
mstore(0x40, add(add(result, 0x20), mload(result)))
}
}
function symbol() public view virtual returns (string memory result) {
address base = baseERC20();
assembly {
result := mload(0x40)
mstore(0x00, 0x95d89b41)
if iszero(staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20)
returndatacopy(result, mload(0x00), 0x20)
returndatacopy(add(result, 0x20), add(mload(0x00), 0x20), mload(result))
mstore(0x40, add(add(result, 0x20), mload(result)))
}
}
function tokenURI(uint256 id) public view virtual returns (string memory result) {
address base = baseERC20();
assembly {
result := mload(0x40)
mstore(0x20, id)
mstore(0x00, 0xc87b56dd)
if iszero(staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20)
returndatacopy(result, mload(0x00), 0x20)
returndatacopy(add(result, 0x20), add(mload(0x00), 0x20), mload(result))
mstore(0x40, add(add(result, 0x20), mload(result)))
}
}
function totalSupply() public view virtual returns (uint256 result) {
address base = baseERC20();
assembly {
mstore(0x00, 0xe2c79281)
if iszero(
and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x20))
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := mload(0x00)
}
}
function balanceOf(address owner) public view virtual returns (uint256 result) {
address base = baseERC20();
assembly {
mstore(0x20, shr(96, shl(96, owner)))
mstore(0x00, 0xf5b100ea)
if iszero(
and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x20))
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := mload(0x00)
}
}
function ownerOf(uint256 id) public view virtual returns (address result) {
address base = baseERC20();
assembly {
mstore(0x00, 0x6352211e)
mstore(0x20, id)
if iszero(
and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x20))
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := shr(96, mload(0x0c))
}
}
function approve(address spender, uint256 id) public virtual {
address base = baseERC20();
assembly {
spender := shr(96, shl(96, spender))
let m := mload(0x40)
mstore(0x00, 0xd10b6e0c)
mstore(0x20, spender)
mstore(0x40, id)
mstore(0x60, caller())
if iszero(
and(
gt(returndatasize(), 0x1f),
call(gas(), base, callvalue(), 0x1c, 0x64, 0x00, 0x20)
)
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(0x40, m)
mstore(0x60, 0)
log4(codesize(), 0x00, _APPROVAL_EVENT_SIGNATURE, shr(96, mload(0x0c)), spender, id)
}
}
function getApproved(uint256 id) public view virtual returns (address result) {
address base = baseERC20();
assembly {
mstore(0x00, 0x081812fc)
mstore(0x20, id)
if iszero(
and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x20))
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := shr(96, mload(0x0c))
}
}
function setApprovalForAll(address operator, bool approved) public virtual {
address base = baseERC20();
assembly {
operator := shr(96, shl(96, operator))
let m := mload(0x40)
mstore(0x00, 0x813500fc)
mstore(0x20, operator)
mstore(0x40, iszero(iszero(approved)))
mstore(0x60, caller())
if iszero(
and(eq(mload(0x00), 1), call(gas(), base, callvalue(), 0x1c, 0x64, 0x00, 0x20))
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
log3(0x40, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), operator)
mstore(0x40, m)
mstore(0x60, 0)
}
}
function isApprovedForAll(address owner, address operator)
public
view
virtual
returns (bool result)
{
address base = baseERC20();
assembly {
let m := mload(0x40)
mstore(0x40, operator)
mstore(0x2c, shl(96, owner))
mstore(0x0c, 0xe985e9c5000000000000000000000000)
if iszero(
and(gt(returndatasize(), 0x1f), staticcall(gas(), base, 0x1c, 0x44, 0x00, 0x20))
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(0x40, m)
result := iszero(iszero(mload(0x00)))
}
}
function transferFrom(address from, address to, uint256 id) public virtual {
address base = baseERC20();
assembly {
from := shr(96, shl(96, from))
to := shr(96, shl(96, to))
let m := mload(0x40)
mstore(m, 0xe5eb36c8)
mstore(add(m, 0x20), from)
mstore(add(m, 0x40), to)
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), caller())
if iszero(
and(eq(mload(m), 1), call(gas(), base, callvalue(), add(m, 0x1c), 0x84, m, 0x20))
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
log4(codesize(), 0x00, _TRANSFER_EVENT_SIGNATURE, from, to, id)
}
}
function safeTransferFrom(address from, address to, uint256 id) public payable virtual {
transferFrom(from, to, id);
if (_hasCode(to)) _checkOnERC721Received(from, to, id, "");
}
function safeTransferFrom(address from, address to, uint256 id, bytes calldata data)
public
virtual
{
transferFrom(from, to, id);
if (_hasCode(to)) _checkOnERC721Received(from, to, id, data);
}
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) {
assembly {
let s := shr(224, interfaceId)
result := or(or(eq(s, 0x01ffc9a7), eq(s, 0x80ac58cd)), eq(s, 0x5b5e139f))
}
}
function baseERC20() public view virtual returns (address base) {
base = _getDN404NFTStorage().baseERC20;
if (base == address(0)) revert NotLinked();
}
modifier dn404NFTFallback() virtual {
DN404NFTStorage storage $ = _getDN404NFTStorage();
uint256 fnSelector = _calldataload(0x00) >> 224;
if (fnSelector == 0x263c69d6) {
if (msg.sender != $.baseERC20) revert SenderNotBase();
assembly {
returndatacopy(0x00, returndatasize(), lt(calldatasize(), 0x20))
let o := add(0x24, calldataload(0x04))
returndatacopy(0x00, returndatasize(), lt(calldatasize(), o))
let end := add(o, shl(5, calldataload(sub(o, 0x20))))
returndatacopy(0x00, returndatasize(), lt(calldatasize(), end))
for {} iszero(eq(o, end)) { o := add(0x20, o) } {
let d := calldataload(o)
let a := shr(96, d)
let b := and(1, d)
log4(
codesize(),
0x00,
_TRANSFER_EVENT_SIGNATURE,
mul(a, b),
mul(a, iszero(b)),
shr(168, shl(160, d))
)
}
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
if (fnSelector == 0x0f4599e5) {
if ($.deployer != address(0)) {
if (address(uint160(_calldataload(0x04))) != $.deployer) {
revert SenderNotDeployer();
}
}
if ($.baseERC20 != address(0)) revert AlreadyLinked();
$.baseERC20 = msg.sender;
assembly {
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
_;
}
fallback() external payable virtual dn404NFTFallback {}
receive() external payable virtual {}
function _calldataload(uint256 offset) private pure returns (uint256 value) {
assembly {
value := calldataload(offset)
}
}
function _hasCode(address a) private view returns (bool result) {
assembly {
result := extcodesize(a)
}
}
function _checkOnERC721Received(address from, address to, uint256 id, bytes memory data)
private
{
assembly {
let m := mload(0x40)
let onERC721ReceivedSelector := 0x150b7a02
mstore(m, onERC721ReceivedSelector)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), shr(96, shl(96, from)))
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), 0x80)
let n := mload(data)
mstore(add(m, 0xa0), n)
if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xc0), n)) }
if iszero(call(gas(), to, 0, add(m, 0x1c), add(n, 0xa4), m, 0x20)) {
if returndatasize() {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
}
if iszero(eq(mload(m), shl(224, onERC721ReceivedSelector))) {
mstore(0x00, 0xd1a57ed6)
revert(0x1c, 0x04)
}
}
}
}
文件 6 的 39：IERC165.sol
pragma solidity ^0.8.0;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 7 的 39：IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
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);
}
文件 8 的 39：ILayerZeroEndpointV2.sol
pragma solidity >=0.8.0;
import { IMessageLibManager } from "./IMessageLibManager.sol";
import { IMessagingComposer } from "./IMessagingComposer.sol";
import { IMessagingChannel } from "./IMessagingChannel.sol";
import { IMessagingContext } from "./IMessagingContext.sol";
struct MessagingParams {
uint32 dstEid;
bytes32 receiver;
bytes message;
bytes options;
bool payInLzToken;
}
struct MessagingReceipt {
bytes32 guid;
uint64 nonce;
MessagingFee fee;
}
struct MessagingFee {
uint256 nativeFee;
uint256 lzTokenFee;
}
struct Origin {
uint32 srcEid;
bytes32 sender;
uint64 nonce;
}
interface ILayerZeroEndpointV2 is IMessageLibManager, IMessagingComposer, IMessagingChannel, IMessagingContext {
event PacketSent(bytes encodedPayload, bytes options, address sendLibrary);
event PacketVerified(Origin origin, address receiver, bytes32 payloadHash);
event PacketDelivered(Origin origin, address receiver);
event LzReceiveAlert(
address indexed receiver,
address indexed executor,
Origin origin,
bytes32 guid,
uint256 gas,
uint256 value,
bytes message,
bytes extraData,
bytes reason
);
event LzTokenSet(address token);
event DelegateSet(address sender, address delegate);
function quote(MessagingParams calldata _params, address _sender) external view returns (MessagingFee memory);
function send(
MessagingParams calldata _params,
address _refundAddress
) external payable returns (MessagingReceipt memory);
function verify(Origin calldata _origin, address _receiver, bytes32 _payloadHash) external;
function verifiable(Origin calldata _origin, address _receiver) external view returns (bool);
function initializable(Origin calldata _origin, address _receiver) external view returns (bool);
function lzReceive(
Origin calldata _origin,
address _receiver,
bytes32 _guid,
bytes calldata _message,
bytes calldata _extraData
) external payable;
function clear(address _oapp, Origin calldata _origin, bytes32 _guid, bytes calldata _message) external;
function setLzToken(address _lzToken) external;
function lzToken() external view returns (address);
function nativeToken() external view returns (address);
function setDelegate(address _delegate) external;
}
文件 9 的 39：ILayerZeroReceiver.sol
pragma solidity >=0.8.0;
import { Origin } from "./ILayerZeroEndpointV2.sol";
interface ILayerZeroReceiver {
function allowInitializePath(Origin calldata _origin) external view returns (bool);
function nextNonce(uint32 _eid, bytes32 _sender) external view returns (uint64);
function lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) external payable;
}
文件 10 的 39：IMessageLib.sol
pragma solidity >=0.8.0;
import { IERC165 } from "@openzeppelin/contracts/utils/introspection/IERC165.sol";
import { SetConfigParam } from "./IMessageLibManager.sol";
enum MessageLibType {
Send,
Receive,
SendAndReceive
}
interface IMessageLib is IERC165 {
function setConfig(address _oapp, SetConfigParam[] calldata _config) external;
function getConfig(uint32 _eid, address _oapp, uint32 _configType) external view returns (bytes memory config);
function isSupportedEid(uint32 _eid) external view returns (bool);
function version() external view returns (uint64 major, uint8 minor, uint8 endpointVersion);
function messageLibType() external view returns (MessageLibType);
}
文件 11 的 39：IMessageLibManager.sol
pragma solidity >=0.8.0;
struct SetConfigParam {
uint32 eid;
uint32 configType;
bytes config;
}
interface IMessageLibManager {
struct Timeout {
address lib;
uint256 expiry;
}
event LibraryRegistered(address newLib);
event DefaultSendLibrarySet(uint32 eid, address newLib);
event DefaultReceiveLibrarySet(uint32 eid, address newLib);
event DefaultReceiveLibraryTimeoutSet(uint32 eid, address oldLib, uint256 expiry);
event SendLibrarySet(address sender, uint32 eid, address newLib);
event ReceiveLibrarySet(address receiver, uint32 eid, address newLib);
event ReceiveLibraryTimeoutSet(address receiver, uint32 eid, address oldLib, uint256 timeout);
function registerLibrary(address _lib) external;
function isRegisteredLibrary(address _lib) external view returns (bool);
function getRegisteredLibraries() external view returns (address[] memory);
function setDefaultSendLibrary(uint32 _eid, address _newLib) external;
function defaultSendLibrary(uint32 _eid) external view returns (address);
function setDefaultReceiveLibrary(uint32 _eid, address _newLib, uint256 _timeout) external;
function defaultReceiveLibrary(uint32 _eid) external view returns (address);
function setDefaultReceiveLibraryTimeout(uint32 _eid, address _lib, uint256 _expiry) external;
function defaultReceiveLibraryTimeout(uint32 _eid) external view returns (address lib, uint256 expiry);
function isSupportedEid(uint32 _eid) external view returns (bool);
function isValidReceiveLibrary(address _receiver, uint32 _eid, address _lib) external view returns (bool);
function setSendLibrary(address _oapp, uint32 _eid, address _newLib) external;
function getSendLibrary(address _sender, uint32 _eid) external view returns (address lib);
function isDefaultSendLibrary(address _sender, uint32 _eid) external view returns (bool);
function setReceiveLibrary(address _oapp, uint32 _eid, address _newLib, uint256 _gracePeriod) external;
function getReceiveLibrary(address _receiver, uint32 _eid) external view returns (address lib, bool isDefault);
function setReceiveLibraryTimeout(address _oapp, uint32 _eid, address _lib, uint256 _gracePeriod) external;
function receiveLibraryTimeout(address _receiver, uint32 _eid) external view returns (address lib, uint256 expiry);
function setConfig(address _oapp, address _lib, SetConfigParam[] calldata _params) external;
function getConfig(
address _oapp,
address _lib,
uint32 _eid,
uint32 _configType
) external view returns (bytes memory config);
}
文件 12 的 39：IMessagingChannel.sol
pragma solidity >=0.8.0;
interface IMessagingChannel {
event InboundNonceSkipped(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce);
event PacketNilified(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
event PacketBurnt(uint32 srcEid, bytes32 sender, address receiver, uint64 nonce, bytes32 payloadHash);
function eid() external view returns (uint32);
function skip(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce) external;
function nilify(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;
function burn(address _oapp, uint32 _srcEid, bytes32 _sender, uint64 _nonce, bytes32 _payloadHash) external;
function nextGuid(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (bytes32);
function inboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
function outboundNonce(address _sender, uint32 _dstEid, bytes32 _receiver) external view returns (uint64);
function inboundPayloadHash(
address _receiver,
uint32 _srcEid,
bytes32 _sender,
uint64 _nonce
) external view returns (bytes32);
function lazyInboundNonce(address _receiver, uint32 _srcEid, bytes32 _sender) external view returns (uint64);
}
文件 13 的 39：IMessagingComposer.sol
pragma solidity >=0.8.0;
interface IMessagingComposer {
event ComposeSent(address from, address to, bytes32 guid, uint16 index, bytes message);
event ComposeDelivered(address from, address to, bytes32 guid, uint16 index);
event LzComposeAlert(
address indexed from,
address indexed to,
address indexed executor,
bytes32 guid,
uint16 index,
uint256 gas,
uint256 value,
bytes message,
bytes extraData,
bytes reason
);
function composeQueue(
address _from,
address _to,
bytes32 _guid,
uint16 _index
) external view returns (bytes32 messageHash);
function sendCompose(address _to, bytes32 _guid, uint16 _index, bytes calldata _message) external;
function lzCompose(
address _from,
address _to,
bytes32 _guid,
uint16 _index,
bytes calldata _message,
bytes calldata _extraData
) external payable;
}
文件 14 的 39：IMessagingContext.sol
pragma solidity >=0.8.0;
interface IMessagingContext {
function isSendingMessage() external view returns (bool);
function getSendContext() external view returns (uint32 dstEid, address sender);
}
文件 15 的 39：IOAppCore.sol
pragma solidity ^0.8.20;
import { ILayerZeroEndpointV2 } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
interface IOAppCore {
error OnlyPeer(uint32 eid, bytes32 sender);
error NoPeer(uint32 eid);
error InvalidEndpointCall();
error InvalidDelegate();
event PeerSet(uint32 eid, bytes32 peer);
function oAppVersion() external view returns (uint64 senderVersion, uint64 receiverVersion);
function endpoint() external view returns (ILayerZeroEndpointV2 iEndpoint);
function peers(uint32 _eid) external view returns (bytes32 peer);
function setPeer(uint32 _eid, bytes32 _peer) external;
function setDelegate(address _delegate) external;
}
文件 16 的 39：IOAppMsgInspector.sol
pragma solidity ^0.8.20;
interface IOAppMsgInspector {
error InspectionFailed(bytes message, bytes options);
function inspect(bytes calldata _message, bytes calldata _options) external view returns (bool valid);
}
文件 17 的 39：IOAppOptionsType3.sol
pragma solidity ^0.8.20;
struct EnforcedOptionParam {
uint32 eid;
uint16 msgType;
bytes options;
}
interface IOAppOptionsType3 {
error InvalidOptions(bytes options);
event EnforcedOptionSet(EnforcedOptionParam[] _enforcedOptions);
function setEnforcedOptions(EnforcedOptionParam[] calldata _enforcedOptions) external;
function combineOptions(
uint32 _eid,
uint16 _msgType,
bytes calldata _extraOptions
) external view returns (bytes memory options);
}
文件 18 的 39：IOAppPreCrimeSimulator.sol
pragma solidity ^0.8.20;
import { InboundPacket, Origin } from "../libs/Packet.sol";
interface IOAppPreCrimeSimulator {
error SimulationResult(bytes result);
error OnlySelf();
event PreCrimeSet(address preCrimeAddress);
function preCrime() external view returns (address);
function oApp() external view returns (address);
function setPreCrime(address _preCrime) external;
function lzReceiveAndRevert(InboundPacket[] calldata _packets) external payable;
function isPeer(uint32 _eid, bytes32 _peer) external view returns (bool);
}
文件 19 的 39：IOAppReceiver.sol
pragma solidity ^0.8.20;
import { ILayerZeroReceiver, Origin } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroReceiver.sol";
interface IOAppReceiver is ILayerZeroReceiver {
function composeMsgSender() external view returns (address sender);
}
文件 20 的 39：IOFT.sol
pragma solidity ^0.8.20;
import { MessagingReceipt, MessagingFee } from "../../oapp/OAppSender.sol";
struct SendParam {
uint32 dstEid;
bytes32 to;
uint256 amountLD;
uint256 minAmountLD;
bytes extraOptions;
bytes composeMsg;
bytes oftCmd;
}
struct OFTLimit {
uint256 minAmountLD;
uint256 maxAmountLD;
}
struct OFTReceipt {
uint256 amountSentLD;
uint256 amountReceivedLD;
}
struct OFTFeeDetail {
int256 feeAmountLD;
string description;
}
interface IOFT {
error InvalidLocalDecimals();
error SlippageExceeded(uint256 amountLD, uint256 minAmountLD);
event OFTSent(
bytes32 indexed guid,
uint32 dstEid,
address indexed fromAddress,
uint256 amountSentLD,
uint256 amountReceivedLD
);
event OFTReceived(
bytes32 indexed guid,
uint32 srcEid,
address indexed toAddress,
uint256 amountReceivedLD
);
function oftVersion() external view returns (bytes4 interfaceId, uint64 version);
function token() external view returns (address);
function approvalRequired() external view returns (bool);
function sharedDecimals() external view returns (uint8);
function quoteOFT(
SendParam calldata _sendParam
) external view returns (OFTLimit memory, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory);
function quoteSend(SendParam calldata _sendParam, bool _payInLzToken) external view returns (MessagingFee memory);
function send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable returns (MessagingReceipt memory, OFTReceipt memory);
}
文件 21 的 39：IPreCrime.sol
pragma solidity ^0.8.20;
struct PreCrimePeer {
uint32 eid;
bytes32 preCrime;
bytes32 oApp;
}
interface IPreCrime {
error OnlyOffChain();
error PacketOversize(uint256 max, uint256 actual);
error PacketUnsorted();
error SimulationFailed(bytes reason);
error SimulationResultNotFound(uint32 eid);
error InvalidSimulationResult(uint32 eid, bytes reason);
error CrimeFound(bytes crime);
function getConfig(bytes[] calldata _packets, uint256[] calldata _packetMsgValues) external returns (bytes memory);
function simulate(
bytes[] calldata _packets,
uint256[] calldata _packetMsgValues
) external payable returns (bytes memory);
function buildSimulationResult() external view returns (bytes memory);
function preCrime(
bytes[] calldata _packets,
uint256[] calldata _packetMsgValues,
bytes[] calldata _simulations
) external;
function version() external view returns (uint64 major, uint8 minor);
}
文件 22 的 39：ISendLib.sol
pragma solidity >=0.8.0;
import { MessagingFee } from "./ILayerZeroEndpointV2.sol";
import { IMessageLib } from "./IMessageLib.sol";
struct Packet {
uint64 nonce;
uint32 srcEid;
address sender;
uint32 dstEid;
bytes32 receiver;
bytes32 guid;
bytes message;
}
interface ISendLib is IMessageLib {
function send(
Packet calldata _packet,
bytes calldata _options,
bool _payInLzToken
) external returns (MessagingFee memory, bytes memory encodedPacket);
function quote(
Packet calldata _packet,
bytes calldata _options,
bool _payInLzToken
) external view returns (MessagingFee memory);
function setTreasury(address _treasury) external;
function withdrawFee(address _to, uint256 _amount) external;
function withdrawLzTokenFee(address _lzToken, address _to, uint256 _amount) external;
}
文件 23 的 39：LibString.sol
pragma solidity ^0.8.4;
library LibString {
error HexLengthInsufficient();
error TooBigForSmallString();
uint256 internal constant NOT_FOUND = type(uint256).max;
function toString(uint256 value) internal pure returns (string memory str) {
assembly {
str := add(mload(0x40), 0x80)
mstore(0x40, add(str, 0x20))
mstore(str, 0)
let end := str
let w := not(0)
for { let temp := value } 1 {} {
str := add(str, w)
mstore8(str, add(48, mod(temp, 10)))
temp := div(temp, 10)
if iszero(temp) { break }
}
let length := sub(end, str)
str := sub(str, 0x20)
mstore(str, length)
}
}
function toString(int256 value) internal pure returns (string memory str) {
if (value >= 0) {
return toString(uint256(value));
}
unchecked {
str = toString(~uint256(value) + 1);
}
assembly {
let length := mload(str)
mstore(str, 0x2d)
str := sub(str, 1)
mstore(str, add(length, 1))
}
}
function toHexString(uint256 value, uint256 length) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value, length);
assembly {
let strLength := add(mload(str), 2)
mstore(str, 0x3078)
str := sub(str, 2)
mstore(str, strLength)
}
}
function toHexStringNoPrefix(uint256 value, uint256 length)
internal
pure
returns (string memory str)
{
assembly {
str := add(mload(0x40), and(add(shl(1, length), 0x42), not(0x1f)))
mstore(0x40, add(str, 0x20))
mstore(str, 0)
let end := str
mstore(0x0f, 0x30313233343536373839616263646566)
let start := sub(str, add(length, length))
let w := not(1)
let temp := value
for {} 1 {} {
str := add(str, w)
mstore8(add(str, 1), mload(and(temp, 15)))
mstore8(str, mload(and(shr(4, temp), 15)))
temp := shr(8, temp)
if iszero(xor(str, start)) { break }
}
if temp {
mstore(0x00, 0x2194895a)
revert(0x1c, 0x04)
}
let strLength := sub(end, str)
str := sub(str, 0x20)
mstore(str, strLength)
}
}
function toHexString(uint256 value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
assembly {
let strLength := add(mload(str), 2)
mstore(str, 0x3078)
str := sub(str, 2)
mstore(str, strLength)
}
}
function toMinimalHexString(uint256 value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
assembly {
let o := eq(byte(0, mload(add(str, 0x20))), 0x30)
let strLength := add(mload(str), 2)
mstore(add(str, o), 0x3078)
str := sub(add(str, o), 2)
mstore(str, sub(strLength, o))
}
}
function toMinimalHexStringNoPrefix(uint256 value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
assembly {
let o := eq(byte(0, mload(add(str, 0x20))), 0x30)
let strLength := mload(str)
str := add(str, o)
mstore(str, sub(strLength, o))
}
}
function toHexStringNoPrefix(uint256 value) internal pure returns (string memory str) {
assembly {
str := add(mload(0x40), 0x80)
mstore(0x40, add(str, 0x20))
mstore(str, 0)
let end := str
mstore(0x0f, 0x30313233343536373839616263646566)
let w := not(1)
for { let temp := value } 1 {} {
str := add(str, w)
mstore8(add(str, 1), mload(and(temp, 15)))
mstore8(str, mload(and(shr(4, temp), 15)))
temp := shr(8, temp)
if iszero(temp) { break }
}
let strLength := sub(end, str)
str := sub(str, 0x20)
mstore(str, strLength)
}
}
function toHexStringChecksummed(address value) internal pure returns (string memory str) {
str = toHexString(value);
assembly {
let mask := shl(6, div(not(0), 255))
let o := add(str, 0x22)
let hashed := and(keccak256(o, 40), mul(34, mask))
let t := shl(240, 136)
for { let i := 0 } 1 {} {
mstore(add(i, i), mul(t, byte(i, hashed)))
i := add(i, 1)
if eq(i, 20) { break }
}
mstore(o, xor(mload(o), shr(1, and(mload(0x00), and(mload(o), mask)))))
o := add(o, 0x20)
mstore(o, xor(mload(o), shr(1, and(mload(0x20), and(mload(o), mask)))))
}
}
function toHexString(address value) internal pure returns (string memory str) {
str = toHexStringNoPrefix(value);
assembly {
let strLength := add(mload(str), 2)
mstore(str, 0x3078)
str := sub(str, 2)
mstore(str, strLength)
}
}
function toHexStringNoPrefix(address value) internal pure returns (string memory str) {
assembly {
str := mload(0x40)
mstore(0x40, add(str, 0x80))
mstore(0x0f, 0x30313233343536373839616263646566)
str := add(str, 2)
mstore(str, 40)
let o := add(str, 0x20)
mstore(add(o, 40), 0)
value := shl(96, value)
for { let i := 0 } 1 {} {
let p := add(o, add(i, i))
let temp := byte(i, value)
mstore8(add(p, 1), mload(and(temp, 15)))
mstore8(p, mload(shr(4, temp)))
i := add(i, 1)
if eq(i, 20) { break }
}
}
}
function toHexString(bytes memory raw) internal pure returns (string memory str) {
str = toHexStringNoPrefix(raw);
assembly {
let strLength := add(mload(str), 2)
mstore(str, 0x3078)
str := sub(str, 2)
mstore(str, strLength)
}
}
function toHexStringNoPrefix(bytes memory raw) internal pure returns (string memory str) {
assembly {
let length := mload(raw)
str := add(mload(0x40), 2)
mstore(str, add(length, length))
mstore(0x0f, 0x30313233343536373839616263646566)
let o := add(str, 0x20)
let end := add(raw, length)
for {} iszero(eq(raw, end)) {} {
raw := add(raw, 1)
mstore8(add(o, 1), mload(and(mload(raw), 15)))
mstore8(o, mload(and(shr(4, mload(raw)), 15)))
o := add(o, 2)
}
mstore(o, 0)
mstore(0x40, add(o, 0x20))
}
}
function runeCount(string memory s) internal pure returns (uint256 result) {
assembly {
if mload(s) {
mstore(0x00, div(not(0), 255))
mstore(0x20, 0x0202020202020202020202020202020202020202020202020303030304040506)
let o := add(s, 0x20)
let end := add(o, mload(s))
for { result := 1 } 1 { result := add(result, 1) } {
o := add(o, byte(0, mload(shr(250, mload(o)))))
if iszero(lt(o, end)) { break }
}
}
}
}
function is7BitASCII(string memory s) internal pure returns (bool result) {
assembly {
let mask := shl(7, div(not(0), 255))
result := 1
let n := mload(s)
if n {
let o := add(s, 0x20)
let end := add(o, n)
let last := mload(end)
mstore(end, 0)
for {} 1 {} {
if and(mask, mload(o)) {
result := 0
break
}
o := add(o, 0x20)
if iszero(lt(o, end)) { break }
}
mstore(end, last)
}
}
}
function replace(string memory subject, string memory search, string memory replacement)
internal
pure
returns (string memory result)
{
assembly {
let subjectLength := mload(subject)
let searchLength := mload(search)
let replacementLength := mload(replacement)
subject := add(subject, 0x20)
search := add(search, 0x20)
replacement := add(replacement, 0x20)
result := add(mload(0x40), 0x20)
let subjectEnd := add(subject, subjectLength)
if iszero(gt(searchLength, subjectLength)) {
let subjectSearchEnd := add(sub(subjectEnd, searchLength), 1)
let h := 0
if iszero(lt(searchLength, 0x20)) { h := keccak256(search, searchLength) }
let m := shl(3, sub(0x20, and(searchLength, 0x1f)))
let s := mload(search)
for {} 1 {} {
let t := mload(subject)
if iszero(shr(m, xor(t, s))) {
if h {
if iszero(eq(keccak256(subject, searchLength), h)) {
mstore(result, t)
result := add(result, 1)
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
for { let o := 0 } 1 {} {
mstore(add(result, o), mload(add(replacement, o)))
o := add(o, 0x20)
if iszero(lt(o, replacementLength)) { break }
}
result := add(result, replacementLength)
subject := add(subject, searchLength)
if searchLength {
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
mstore(result, t)
result := add(result, 1)
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
}
}
let resultRemainder := result
result := add(mload(0x40), 0x20)
let k := add(sub(resultRemainder, result), sub(subjectEnd, subject))
for {} lt(subject, subjectEnd) {} {
mstore(resultRemainder, mload(subject))
resultRemainder := add(resultRemainder, 0x20)
subject := add(subject, 0x20)
}
result := sub(result, 0x20)
let last := add(add(result, 0x20), k)
mstore(last, 0)
mstore(0x40, add(last, 0x20))
mstore(result, k)
}
}
function indexOf(string memory subject, string memory search, uint256 from)
internal
pure
returns (uint256 result)
{
assembly {
for { let subjectLength := mload(subject) } 1 {} {
if iszero(mload(search)) {
if iszero(gt(from, subjectLength)) {
result := from
break
}
result := subjectLength
break
}
let searchLength := mload(search)
let subjectStart := add(subject, 0x20)
result := not(0)
subject := add(subjectStart, from)
let end := add(sub(add(subjectStart, subjectLength), searchLength), 1)
let m := shl(3, sub(0x20, and(searchLength, 0x1f)))
let s := mload(add(search, 0x20))
if iszero(and(lt(subject, end), lt(from, subjectLength))) { break }
if iszero(lt(searchLength, 0x20)) {
for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
if iszero(shr(m, xor(mload(subject), s))) {
if eq(keccak256(subject, searchLength), h) {
result := sub(subject, subjectStart)
break
}
}
subject := add(subject, 1)
if iszero(lt(subject, end)) { break }
}
break
}
for {} 1 {} {
if iszero(shr(m, xor(mload(subject), s))) {
result := sub(subject, subjectStart)
break
}
subject := add(subject, 1)
if iszero(lt(subject, end)) { break }
}
break
}
}
}
function indexOf(string memory subject, string memory search)
internal
pure
returns (uint256 result)
{
result = indexOf(subject, search, 0);
}
function lastIndexOf(string memory subject, string memory search, uint256 from)
internal
pure
returns (uint256 result)
{
assembly {
for {} 1 {} {
result := not(0)
let searchLength := mload(search)
if gt(searchLength, mload(subject)) { break }
let w := result
let fromMax := sub(mload(subject), searchLength)
if iszero(gt(fromMax, from)) { from := fromMax }
let end := add(add(subject, 0x20), w)
subject := add(add(subject, 0x20), from)
if iszero(gt(subject, end)) { break }
for { let h := keccak256(add(search, 0x20), searchLength) } 1 {} {
if eq(keccak256(subject, searchLength), h) {
result := sub(subject, add(end, 1))
break
}
subject := add(subject, w)
if iszero(gt(subject, end)) { break }
}
break
}
}
}
function lastIndexOf(string memory subject, string memory search)
internal
pure
returns (uint256 result)
{
result = lastIndexOf(subject, search, uint256(int256(-1)));
}
function contains(string memory subject, string memory search) internal pure returns (bool) {
return indexOf(subject, search) != NOT_FOUND;
}
function startsWith(string memory subject, string memory search)
internal
pure
returns (bool result)
{
assembly {
let searchLength := mload(search)
result := and(
iszero(gt(searchLength, mload(subject))),
eq(
keccak256(add(subject, 0x20), searchLength),
keccak256(add(search, 0x20), searchLength)
)
)
}
}
function endsWith(string memory subject, string memory search)
internal
pure
returns (bool result)
{
assembly {
let searchLength := mload(search)
let subjectLength := mload(subject)
let withinRange := iszero(gt(searchLength, subjectLength))
result := and(
withinRange,
eq(
keccak256(
add(add(subject, 0x20), mul(withinRange, sub(subjectLength, searchLength))),
searchLength
),
keccak256(add(search, 0x20), searchLength)
)
)
}
}
function repeat(string memory subject, uint256 times)
internal
pure
returns (string memory result)
{
assembly {
let subjectLength := mload(subject)
if iszero(or(iszero(times), iszero(subjectLength))) {
subject := add(subject, 0x20)
result := mload(0x40)
let output := add(result, 0x20)
for {} 1 {} {
for { let o := 0 } 1 {} {
mstore(add(output, o), mload(add(subject, o)))
o := add(o, 0x20)
if iszero(lt(o, subjectLength)) { break }
}
output := add(output, subjectLength)
times := sub(times, 1)
if iszero(times) { break }
}
mstore(output, 0)
let resultLength := sub(output, add(result, 0x20))
mstore(result, resultLength)
mstore(0x40, add(result, add(resultLength, 0x20)))
}
}
}
function slice(string memory subject, uint256 start, uint256 end)
internal
pure
returns (string memory result)
{
assembly {
let subjectLength := mload(subject)
if iszero(gt(subjectLength, end)) { end := subjectLength }
if iszero(gt(subjectLength, start)) { start := subjectLength }
if lt(start, end) {
result := mload(0x40)
let resultLength := sub(end, start)
mstore(result, resultLength)
subject := add(subject, start)
let w := not(0x1f)
for { let o := and(add(resultLength, 0x1f), w) } 1 {} {
mstore(add(result, o), mload(add(subject, o)))
o := add(o, w)
if iszero(o) { break }
}
mstore(add(add(result, 0x20), resultLength), 0)
mstore(0x40, add(result, and(add(resultLength, 0x3f), w)))
}
}
}
function slice(string memory subject, uint256 start)
internal
pure
returns (string memory result)
{
result = slice(subject, start, uint256(int256(-1)));
}
function indicesOf(string memory subject, string memory search)
internal
pure
returns (uint256[] memory result)
{
assembly {
let subjectLength := mload(subject)
let searchLength := mload(search)
if iszero(gt(searchLength, subjectLength)) {
subject := add(subject, 0x20)
search := add(search, 0x20)
result := add(mload(0x40), 0x20)
let subjectStart := subject
let subjectSearchEnd := add(sub(add(subject, subjectLength), searchLength), 1)
let h := 0
if iszero(lt(searchLength, 0x20)) { h := keccak256(search, searchLength) }
let m := shl(3, sub(0x20, and(searchLength, 0x1f)))
let s := mload(search)
for {} 1 {} {
let t := mload(subject)
if iszero(shr(m, xor(t, s))) {
if h {
if iszero(eq(keccak256(subject, searchLength), h)) {
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
mstore(result, sub(subject, subjectStart))
result := add(result, 0x20)
subject := add(subject, searchLength)
if searchLength {
if iszero(lt(subject, subjectSearchEnd)) { break }
continue
}
}
subject := add(subject, 1)
if iszero(lt(subject, subjectSearchEnd)) { break }
}
let resultEnd := result
result := mload(0x40)
mstore(result, shr(5, sub(resultEnd, add(result, 0x20))))
mstore(0x40, add(resultEnd, 0x20))
}
}
}
function split(string memory subject, string memory delimiter)
internal
pure
returns (string[] memory result)
{
uint256[] memory indices = indicesOf(subject, delimiter);
assembly {
let w := not(0x1f)
let indexPtr := add(indices, 0x20)
let indicesEnd := add(indexPtr, shl(5, add(mload(indices), 1)))
mstore(add(indicesEnd, w), mload(subject))
mstore(indices, add(mload(indices), 1))
let prevIndex := 0
for {} 1 {} {
let index := mload(indexPtr)
mstore(indexPtr, 0x60)
if iszero(eq(index, prevIndex)) {
let element := mload(0x40)
let elementLength := sub(index, prevIndex)
mstore(element, elementLength)
for { let o := and(add(elementLength, 0x1f), w) } 1 {} {
mstore(add(element, o), mload(add(add(subject, prevIndex), o)))
o := add(o, w)
if iszero(o) { break }
}
mstore(add(add(element, 0x20), elementLength), 0)
mstore(0x40, add(element, and(add(elementLength, 0x3f), w)))
mstore(indexPtr, element)
}
prevIndex := add(index, mload(delimiter))
indexPtr := add(indexPtr, 0x20)
if iszero(lt(indexPtr, indicesEnd)) { break }
}
result := indices
if iszero(mload(delimiter)) {
result := add(indices, 0x20)
mstore(result, sub(mload(indices), 2))
}
}
}
function concat(string memory a, string memory b)
internal
pure
returns (string memory result)
{
assembly {
let w := not(0x1f)
result := mload(0x40)
let aLength := mload(a)
for { let o := and(add(aLength, 0x20), w) } 1 {} {
mstore(add(result, o), mload(add(a, o)))
o := add(o, w)
if iszero(o) { break }
}
let bLength := mload(b)
let output := add(result, aLength)
for { let o := and(add(bLength, 0x20), w) } 1 {} {
mstore(add(output, o), mload(add(b, o)))
o := add(o, w)
if iszero(o) { break }
}
let totalLength := add(aLength, bLength)
let last := add(add(result, 0x20), totalLength)
mstore(last, 0)
mstore(result, totalLength)
mstore(0x40, and(add(last, 0x1f), w))
}
}
function toCase(string memory subject, bool toUpper)
internal
pure
returns (string memory result)
{
assembly {
let length := mload(subject)
if length {
result := add(mload(0x40), 0x20)
subject := add(subject, 1)
let flags := shl(add(70, shl(5, toUpper)), 0x3ffffff)
let w := not(0)
for { let o := length } 1 {} {
o := add(o, w)
let b := and(0xff, mload(add(subject, o)))
mstore8(add(result, o), xor(b, and(shr(b, flags), 0x20)))
if iszero(o) { break }
}
result := mload(0x40)
mstore(result, length)
let last := add(add(result, 0x20), length)
mstore(last, 0)
mstore(0x40, add(last, 0x20))
}
}
}
function fromSmallString(bytes32 s) internal pure returns (string memory result) {
assembly {
result := mload(0x40)
let n := 0
for {} byte(n, s) { n := add(n, 1) } {}
mstore(result, n)
let o := add(result, 0x20)
mstore(o, s)
mstore(add(o, n), 0)
mstore(0x40, add(result, 0x40))
}
}
function normalizeSmallString(bytes32 s) internal pure returns (bytes32 result) {
assembly {
for {} byte(result, s) { result := add(result, 1) } {}
mstore(0x00, s)
mstore(result, 0x00)
result := mload(0x00)
}
}
function toSmallString(string memory s) internal pure returns (bytes32 result) {
assembly {
result := mload(s)
if iszero(lt(result, 33)) {
mstore(0x00, 0xec92f9a3)
revert(0x1c, 0x04)
}
result := shl(shl(3, sub(32, result)), mload(add(s, result)))
}
}
function lower(string memory subject) internal pure returns (string memory result) {
result = toCase(subject, false);
}
function upper(string memory subject) internal pure returns (string memory result) {
result = toCase(subject, true);
}
function escapeHTML(string memory s) internal pure returns (string memory result) {
assembly {
let end := add(s, mload(s))
result := add(mload(0x40), 0x20)
mstore(0x1f, 0x900094)
mstore(0x08, 0xc0000000a6ab)
mstore(0x00, shl(64, 0x2671756f743b26616d703b262333393b266c743b2667743b))
for {} iszero(eq(s, end)) {} {
s := add(s, 1)
let c := and(mload(s), 0xff)
if iszero(and(shl(c, 1), 0x500000c400000000)) {
mstore8(result, c)
result := add(result, 1)
continue
}
let t := shr(248, mload(c))
mstore(result, mload(and(t, 0x1f)))
result := add(result, shr(5, t))
}
let last := result
mstore(last, 0)
result := mload(0x40)
mstore(result, sub(last, add(result, 0x20)))
mstore(0x40, add(last, 0x20))
}
}
function escapeJSON(string memory s, bool addDoubleQuotes)
internal
pure
returns (string memory result)
{
assembly {
let end := add(s, mload(s))
result := add(mload(0x40), 0x20)
if addDoubleQuotes {
mstore8(result, 34)
result := add(1, result)
}
mstore(0x15, 0x5c75303030303031323334353637383961626364656662746e006672)
let e := or(shl(0x22, 1), shl(0x5c, 1))
for {} iszero(eq(s, end)) {} {
s := add(s, 1)
let c := and(mload(s), 0xff)
if iszero(lt(c, 0x20)) {
if iszero(and(shl(c, 1), e)) {
mstore8(result, c)
result := add(result, 1)
continue
}
mstore8(result, 0x5c)
mstore8(add(result, 1), c)
result := add(result, 2)
continue
}
if iszero(and(shl(c, 1), 0x3700)) {
mstore8(0x1d, mload(shr(4, c)))
mstore8(0x1e, mload(and(c, 15)))
mstore(result, mload(0x19))
result := add(result, 6)
continue
}
mstore8(result, 0x5c)
mstore8(add(result, 1), mload(add(c, 8)))
result := add(result, 2)
}
if addDoubleQuotes {
mstore8(result, 34)
result := add(1, result)
}
let last := result
mstore(last, 0)
result := mload(0x40)
mstore(result, sub(last, add(result, 0x20)))
mstore(0x40, add(last, 0x20))
}
}
function escapeJSON(string memory s) internal pure returns (string memory result) {
result = escapeJSON(s, false);
}
function eq(string memory a, string memory b) internal pure returns (bool result) {
assembly {
result := eq(keccak256(add(a, 0x20), mload(a)), keccak256(add(b, 0x20), mload(b)))
}
}
function eqs(string memory a, bytes32 b) internal pure returns (bool result) {
assembly {
let m := not(shl(7, div(not(iszero(b)), 255)))
let x := not(or(m, or(b, add(m, and(b, m)))))
let r := shl(7, iszero(iszero(shr(128, x))))
r := or(r, shl(6, iszero(iszero(shr(64, shr(r, x))))))
r := or(r, shl(5, lt(0xffffffff, shr(r, x))))
r := or(r, shl(4, lt(0xffff, shr(r, x))))
r := or(r, shl(3, lt(0xff, shr(r, x))))
result := gt(eq(mload(a), add(iszero(x), xor(31, shr(3, r)))),
xor(shr(add(8, r), b), shr(add(8, r), mload(add(a, 0x20)))))
}
}
function packOne(string memory a) internal pure returns (bytes32 result) {
assembly {
result :=
mul(
mload(add(a, 0x1f)),
lt(sub(mload(a), 1), 0x1f)
)
}
}
function unpackOne(bytes32 packed) internal pure returns (string memory result) {
assembly {
result := mload(0x40)
mstore(0x40, add(result, 0x40))
mstore(result, 0)
mstore(add(result, 0x1f), packed)
mstore(add(add(result, 0x20), mload(result)), 0)
}
}
function packTwo(string memory a, string memory b) internal pure returns (bytes32 result) {
assembly {
let aLength := mload(a)
result :=
mul(
or(
shl(shl(3, sub(0x1f, aLength)), mload(add(a, aLength))),
mload(sub(add(b, 0x1e), aLength))
),
lt(sub(add(aLength, mload(b)), 1), 0x1e)
)
}
}
function unpackTwo(bytes32 packed)
internal
pure
returns (string memory resultA, string memory resultB)
{
assembly {
resultA := mload(0x40)
resultB := add(resultA, 0x40)
mstore(0x40, add(resultB, 0x40))
mstore(resultA, 0)
mstore(resultB, 0)
mstore(add(resultA, 0x1f), packed)
mstore(add(resultB, 0x1f), mload(add(add(resultA, 0x20), mload(resultA))))
mstore(add(add(resultA, 0x20), mload(resultA)), 0)
mstore(add(add(resultB, 0x20), mload(resultB)), 0)
}
}
function directReturn(string memory a) internal pure {
assembly {
let retStart := sub(a, 0x20)
let retSize := add(mload(a), 0x40)
mstore(add(retStart, retSize), 0)
mstore(retStart, 0x20)
return(retStart, retSize)
}
}
}
文件 24 的 39：OApp.sol
pragma solidity ^0.8.20;
import { OAppSender, MessagingFee, MessagingReceipt } from "./OAppSender.sol";
import { OAppReceiver, Origin } from "./OAppReceiver.sol";
import { OAppCore } from "./OAppCore.sol";
abstract contract OApp is OAppSender, OAppReceiver {
constructor(address _endpoint, address _delegate) OAppCore(_endpoint, _delegate) {}
function oAppVersion()
public
pure
virtual
override(OAppSender, OAppReceiver)
returns (uint64 senderVersion, uint64 receiverVersion)
{
return (SENDER_VERSION, RECEIVER_VERSION);
}
}
文件 25 的 39：OAppCore.sol
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IOAppCore, ILayerZeroEndpointV2 } from "./interfaces/IOAppCore.sol";
abstract contract OAppCore is IOAppCore, Ownable {
ILayerZeroEndpointV2 public immutable endpoint;
mapping(uint32 eid => bytes32 peer) public peers;
constructor(address _endpoint, address _delegate) {
endpoint = ILayerZeroEndpointV2(_endpoint);
if (_delegate == address(0)) revert InvalidDelegate();
endpoint.setDelegate(_delegate);
}
function setPeer(uint32 _eid, bytes32 _peer) public virtual onlyOwner {
peers[_eid] = _peer;
emit PeerSet(_eid, _peer);
}
function _getPeerOrRevert(uint32 _eid) internal view virtual returns (bytes32) {
bytes32 peer = peers[_eid];
if (peer == bytes32(0)) revert NoPeer(_eid);
return peer;
}
function setDelegate(address _delegate) public onlyOwner {
endpoint.setDelegate(_delegate);
}
}
文件 26 的 39：OAppOptionsType3.sol
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IOAppOptionsType3, EnforcedOptionParam } from "../interfaces/IOAppOptionsType3.sol";
abstract contract OAppOptionsType3 is IOAppOptionsType3, Ownable {
uint16 internal constant OPTION_TYPE_3 = 3;
mapping(uint32 eid => mapping(uint16 msgType => bytes enforcedOption)) public enforcedOptions;
function setEnforcedOptions(EnforcedOptionParam[] calldata _enforcedOptions) public virtual onlyOwner {
for (uint256 i = 0; i < _enforcedOptions.length; i++) {
_assertOptionsType3(_enforcedOptions[i].options);
enforcedOptions[_enforcedOptions[i].eid][_enforcedOptions[i].msgType] = _enforcedOptions[i].options;
}
emit EnforcedOptionSet(_enforcedOptions);
}
function combineOptions(
uint32 _eid,
uint16 _msgType,
bytes calldata _extraOptions
) public view virtual returns (bytes memory) {
bytes memory enforced = enforcedOptions[_eid][_msgType];
if (enforced.length == 0) return _extraOptions;
if (_extraOptions.length == 0) return enforced;
if (_extraOptions.length >= 2) {
_assertOptionsType3(_extraOptions);
return bytes.concat(enforced, _extraOptions[2:]);
}
revert InvalidOptions(_extraOptions);
}
function _assertOptionsType3(bytes calldata _options) internal pure virtual {
uint16 optionsType = uint16(bytes2(_options[0:2]));
if (optionsType != OPTION_TYPE_3) revert InvalidOptions(_options);
}
}
文件 27 的 39：OAppPreCrimeSimulator.sol
pragma solidity ^0.8.20;
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { IPreCrime } from "./interfaces/IPreCrime.sol";
import { IOAppPreCrimeSimulator, InboundPacket, Origin } from "./interfaces/IOAppPreCrimeSimulator.sol";
abstract contract OAppPreCrimeSimulator is IOAppPreCrimeSimulator, Ownable {
address public preCrime;
function oApp() external view virtual returns (address) {
return address(this);
}
function setPreCrime(address _preCrime) public virtual onlyOwner {
preCrime = _preCrime;
emit PreCrimeSet(_preCrime);
}
function lzReceiveAndRevert(InboundPacket[] calldata _packets) public payable virtual {
for (uint256 i = 0; i < _packets.length; i++) {
InboundPacket calldata packet = _packets[i];
if (!isPeer(packet.origin.srcEid, packet.origin.sender)) continue;
this.lzReceiveSimulate{ value: packet.value }(
packet.origin,
packet.guid,
packet.message,
packet.executor,
packet.extraData
);
}
revert SimulationResult(IPreCrime(msg.sender).buildSimulationResult());
}
function lzReceiveSimulate(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) external payable virtual {
if (msg.sender != address(this)) revert OnlySelf();
_lzReceiveSimulate(_origin, _guid, _message, _executor, _extraData);
}
function _lzReceiveSimulate(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual;
function isPeer(uint32 _eid, bytes32 _peer) public view virtual returns (bool);
}
文件 28 的 39：OAppReceiver.sol
pragma solidity ^0.8.20;
import { IOAppReceiver, Origin } from "./interfaces/IOAppReceiver.sol";
import { OAppCore } from "./OAppCore.sol";
abstract contract OAppReceiver is IOAppReceiver, OAppCore {
error OnlyEndpoint(address addr);
uint64 internal constant RECEIVER_VERSION = 1;
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (0, RECEIVER_VERSION);
}
function composeMsgSender() public view virtual returns (address sender) {
return address(this);
}
function allowInitializePath(Origin calldata origin) public view virtual returns (bool) {
return peers[origin.srcEid] == origin.sender;
}
function nextNonce(uint32 , bytes32 ) public view virtual returns (uint64 nonce) {
return 0;
}
function lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) public payable virtual {
if (address(endpoint) != msg.sender) revert OnlyEndpoint(msg.sender);
if (_getPeerOrRevert(_origin.srcEid) != _origin.sender) revert OnlyPeer(_origin.srcEid, _origin.sender);
_lzReceive(_origin, _guid, _message, _executor, _extraData);
}
function _lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual;
}
文件 29 的 39：OAppSender.sol
pragma solidity ^0.8.20;
import { SafeERC20, IERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { MessagingParams, MessagingFee, MessagingReceipt } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
import { OAppCore } from "./OAppCore.sol";
abstract contract OAppSender is OAppCore {
using SafeERC20 for IERC20;
error NotEnoughNative(uint256 msgValue);
error LzTokenUnavailable();
uint64 internal constant SENDER_VERSION = 1;
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (SENDER_VERSION, 0);
}
function _quote(
uint32 _dstEid,
bytes memory _message,
bytes memory _options,
bool _payInLzToken
) internal view virtual returns (MessagingFee memory fee) {
return
endpoint.quote(
MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _payInLzToken),
address(this)
);
}
function _lzSend(
uint32 _dstEid,
bytes memory _message,
bytes memory _options,
MessagingFee memory _fee,
address _refundAddress
) internal virtual returns (MessagingReceipt memory receipt) {
uint256 messageValue = _payNative(_fee.nativeFee);
if (_fee.lzTokenFee > 0) _payLzToken(_fee.lzTokenFee);
return
endpoint.send{ value: messageValue }(
MessagingParams(_dstEid, _getPeerOrRevert(_dstEid), _message, _options, _fee.lzTokenFee > 0),
_refundAddress
);
}
function _payNative(uint256 _nativeFee) internal virtual returns (uint256 nativeFee) {
if (msg.value != _nativeFee) revert NotEnoughNative(msg.value);
return _nativeFee;
}
function _payLzToken(uint256 _lzTokenFee) internal virtual {
address lzToken = endpoint.lzToken();
if (lzToken == address(0)) revert LzTokenUnavailable();
IERC20(lzToken).safeTransferFrom(msg.sender, address(endpoint), _lzTokenFee);
}
}
文件 30 的 39：OFTComposeMsgCodec.sol
pragma solidity ^0.8.20;
library OFTComposeMsgCodec {
uint8 private constant NONCE_OFFSET = 8;
uint8 private constant SRC_EID_OFFSET = 12;
uint8 private constant AMOUNT_LD_OFFSET = 44;
uint8 private constant COMPOSE_FROM_OFFSET = 76;
function encode(
uint64 _nonce,
uint32 _srcEid,
uint256 _amountLD,
bytes memory _composeMsg
) internal pure returns (bytes memory _msg) {
_msg = abi.encodePacked(_nonce, _srcEid, _amountLD, _composeMsg);
}
function nonce(bytes calldata _msg) internal pure returns (uint64) {
return uint64(bytes8(_msg[:NONCE_OFFSET]));
}
function srcEid(bytes calldata _msg) internal pure returns (uint32) {
return uint32(bytes4(_msg[NONCE_OFFSET:SRC_EID_OFFSET]));
}
function amountLD(bytes calldata _msg) internal pure returns (uint256) {
return uint256(bytes32(_msg[SRC_EID_OFFSET:AMOUNT_LD_OFFSET]));
}
function composeFrom(bytes calldata _msg) internal pure returns (bytes32) {
return bytes32(_msg[AMOUNT_LD_OFFSET:COMPOSE_FROM_OFFSET]);
}
function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {
return _msg[COMPOSE_FROM_OFFSET:];
}
function addressToBytes32(address _addr) internal pure returns (bytes32) {
return bytes32(uint256(uint160(_addr)));
}
function bytes32ToAddress(bytes32 _b) internal pure returns (address) {
return address(uint160(uint256(_b)));
}
}
文件 31 的 39：OFTCore.sol
pragma solidity ^0.8.20;
import { OApp, Origin } from "../oapp/OApp.sol";
import { OAppOptionsType3 } from "../oapp/libs/OAppOptionsType3.sol";
import { IOAppMsgInspector } from "../oapp/interfaces/IOAppMsgInspector.sol";
import { OAppPreCrimeSimulator } from "../precrime/OAppPreCrimeSimulator.sol";
import { IOFT, SendParam, OFTLimit, OFTReceipt, OFTFeeDetail, MessagingReceipt, MessagingFee } from "./interfaces/IOFT.sol";
import { OFTMsgCodec } from "./libs/OFTMsgCodec.sol";
import { OFTComposeMsgCodec } from "./libs/OFTComposeMsgCodec.sol";
abstract contract OFTCore is IOFT, OApp, OAppPreCrimeSimulator, OAppOptionsType3 {
using OFTMsgCodec for bytes;
using OFTMsgCodec for bytes32;
uint256 public immutable decimalConversionRate;
uint16 public constant SEND = 1;
uint16 public constant SEND_AND_CALL = 2;
address public msgInspector;
event MsgInspectorSet(address inspector);
constructor(uint8 _localDecimals, address _endpoint, address _delegate) OApp(_endpoint, _delegate) {
if (_localDecimals < sharedDecimals()) revert InvalidLocalDecimals();
decimalConversionRate = 10 ** (_localDecimals - sharedDecimals());
}
function sharedDecimals() public pure virtual returns (uint8) {
return 6;
}
function setMsgInspector(address _msgInspector) public virtual onlyOwner {
msgInspector = _msgInspector;
emit MsgInspectorSet(_msgInspector);
}
function quoteOFT(
SendParam calldata _sendParam
)
external
view
virtual
returns (OFTLimit memory oftLimit, OFTFeeDetail[] memory oftFeeDetails, OFTReceipt memory oftReceipt)
{
uint256 minAmountLD = 0;
uint256 maxAmountLD = type(uint64).max;
oftLimit = OFTLimit(minAmountLD, maxAmountLD);
oftFeeDetails = new OFTFeeDetail[](0);
(uint256 amountSentLD, uint256 amountReceivedLD) = _debitView(
_sendParam.amountLD,
_sendParam.minAmountLD,
_sendParam.dstEid
);
oftReceipt = OFTReceipt(amountSentLD, amountReceivedLD);
}
function quoteSend(
SendParam calldata _sendParam,
bool _payInLzToken
) external view virtual returns (MessagingFee memory msgFee) {
(, uint256 amountReceivedLD) = _debitView(_sendParam.amountLD, _sendParam.minAmountLD, _sendParam.dstEid);
(bytes memory message, bytes memory options) = _buildMsgAndOptions(_sendParam, amountReceivedLD);
return _quote(_sendParam.dstEid, message, options, _payInLzToken);
}
function send(
SendParam calldata _sendParam,
MessagingFee calldata _fee,
address _refundAddress
) external payable virtual returns (MessagingReceipt memory msgReceipt, OFTReceipt memory oftReceipt) {
(uint256 amountSentLD, uint256 amountReceivedLD) = _debit(
_sendParam.amountLD,
_sendParam.minAmountLD,
_sendParam.dstEid
);
(bytes memory message, bytes memory options) = _buildMsgAndOptions(_sendParam, amountReceivedLD);
msgReceipt = _lzSend(_sendParam.dstEid, message, options, _fee, _refundAddress);
oftReceipt = OFTReceipt(amountSentLD, amountReceivedLD);
emit OFTSent(msgReceipt.guid, _sendParam.dstEid, msg.sender, amountSentLD, amountReceivedLD);
}
function _buildMsgAndOptions(
SendParam calldata _sendParam,
uint256 _amountLD
) internal view virtual returns (bytes memory message, bytes memory options) {
bool hasCompose;
(message, hasCompose) = OFTMsgCodec.encode(
_sendParam.to,
_toSD(_amountLD),
_sendParam.composeMsg
);
uint16 msgType = hasCompose ? SEND_AND_CALL : SEND;
options = combineOptions(_sendParam.dstEid, msgType, _sendParam.extraOptions);
if (msgInspector != address(0)) IOAppMsgInspector(msgInspector).inspect(message, options);
}
function _lzReceive(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address ,
bytes calldata
) internal virtual override {
address toAddress = _message.sendTo().bytes32ToAddress();
uint256 amountReceivedLD = _credit(toAddress, _toLD(_message.amountSD()), _origin.srcEid);
if (_message.isComposed()) {
bytes memory composeMsg = OFTComposeMsgCodec.encode(
_origin.nonce,
_origin.srcEid,
amountReceivedLD,
_message.composeMsg()
);
endpoint.sendCompose(toAddress, _guid, 0 , composeMsg);
}
emit OFTReceived(_guid, _origin.srcEid, toAddress, amountReceivedLD);
}
function _lzReceiveSimulate(
Origin calldata _origin,
bytes32 _guid,
bytes calldata _message,
address _executor,
bytes calldata _extraData
) internal virtual override {
_lzReceive(_origin, _guid, _message, _executor, _extraData);
}
function isPeer(uint32 _eid, bytes32 _peer) public view virtual override returns (bool) {
return peers[_eid] == _peer;
}
function _removeDust(uint256 _amountLD) internal view virtual returns (uint256 amountLD) {
return (_amountLD / decimalConversionRate) * decimalConversionRate;
}
function _toLD(uint64 _amountSD) internal view virtual returns (uint256 amountLD) {
return _amountSD * decimalConversionRate;
}
function _toSD(uint256 _amountLD) internal view virtual returns (uint64 amountSD) {
return uint64(_amountLD / decimalConversionRate);
}
function _debitView(
uint256 _amountLD,
uint256 _minAmountLD,
uint32
) internal view virtual returns (uint256 amountSentLD, uint256 amountReceivedLD) {
amountSentLD = _removeDust(_amountLD);
amountReceivedLD = amountSentLD;
if (amountReceivedLD < _minAmountLD) {
revert SlippageExceeded(amountReceivedLD, _minAmountLD);
}
}
function _debit(
uint256 _amountLD,
uint256 _minAmountLD,
uint32 _dstEid
) internal virtual returns (uint256 amountSentLD, uint256 amountReceivedLD);
function _credit(
address _to,
uint256 _amountLD,
uint32 _srcEid
) internal virtual returns (uint256 amountReceivedLD);
}
文件 32 的 39：OFTMsgCodec.sol
pragma solidity ^0.8.20;
library OFTMsgCodec {
uint8 private constant SEND_TO_OFFSET = 32;
uint8 private constant SEND_AMOUNT_SD_OFFSET = 40;
function encode(
bytes32 _sendTo,
uint64 _amountShared,
bytes memory _composeMsg
) internal view returns (bytes memory _msg, bool hasCompose) {
hasCompose = _composeMsg.length > 0;
_msg = hasCompose
? abi.encodePacked(_sendTo, _amountShared, addressToBytes32(msg.sender), _composeMsg)
: abi.encodePacked(_sendTo, _amountShared);
}
function isComposed(bytes calldata _msg) internal pure returns (bool) {
return _msg.length > SEND_AMOUNT_SD_OFFSET;
}
function sendTo(bytes calldata _msg) internal pure returns (bytes32) {
return bytes32(_msg[:SEND_TO_OFFSET]);
}
function amountSD(bytes calldata _msg) internal pure returns (uint64) {
return uint64(bytes8(_msg[SEND_TO_OFFSET:SEND_AMOUNT_SD_OFFSET]));
}
function composeMsg(bytes calldata _msg) internal pure returns (bytes memory) {
return _msg[SEND_AMOUNT_SD_OFFSET:];
}
function addressToBytes32(address _addr) internal pure returns (bytes32) {
return bytes32(uint256(uint160(_addr)));
}
function bytes32ToAddress(bytes32 _b) internal pure returns (address) {
return address(uint160(uint256(_b)));
}
}
文件 33 的 39：Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferredOpenZeppelin(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() virtual {
_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 OwnershipTransferredOpenZeppelin(oldOwner, newOwner);
}
}
文件 34 的 39：Packet.sol
pragma solidity ^0.8.20;
import { Origin } from "@layerzerolabs/lz-evm-protocol-v2/contracts/interfaces/ILayerZeroEndpointV2.sol";
import { PacketV1Codec } from "@layerzerolabs/lz-evm-protocol-v2/contracts/messagelib/libs/PacketV1Codec.sol";
struct InboundPacket {
Origin origin;
uint32 dstEid;
address receiver;
bytes32 guid;
uint256 value;
address executor;
bytes message;
bytes extraData;
}
library PacketDecoder {
using PacketV1Codec for bytes;
function decode(bytes calldata _packet) internal pure returns (InboundPacket memory packet) {
packet.origin = Origin(_packet.srcEid(), _packet.sender(), _packet.nonce());
packet.dstEid = _packet.dstEid();
packet.receiver = _packet.receiverB20();
packet.guid = _packet.guid();
packet.message = _packet.message();
}
function decode(
bytes[] calldata _packets,
uint256[] memory _packetMsgValues
) internal pure returns (InboundPacket[] memory packets) {
packets = new InboundPacket[](_packets.length);
for (uint256 i = 0; i < _packets.length; i++) {
bytes calldata packet = _packets[i];
packets[i] = PacketDecoder.decode(packet);
packets[i].value = _packetMsgValues[i];
}
}
}
文件 35 的 39：PacketV1Codec.sol
pragma solidity ^0.8.20;
import { Packet } from "../../interfaces/ISendLib.sol";
import { AddressCast } from "../../libs/AddressCast.sol";
library PacketV1Codec {
using AddressCast for address;
using AddressCast for bytes32;
uint8 internal constant PACKET_VERSION = 1;
uint256 private constant PACKET_VERSION_OFFSET = 0;
uint256 private constant NONCE_OFFSET = 1;
uint256 private constant SRC_EID_OFFSET = 9;
uint256 private constant SENDER_OFFSET = 13;
uint256 private constant DST_EID_OFFSET = 45;
uint256 private constant RECEIVER_OFFSET = 49;
uint256 private constant GUID_OFFSET = 81;
uint256 private constant MESSAGE_OFFSET = 113;
function encode(Packet memory _packet) internal pure returns (bytes memory encodedPacket) {
encodedPacket = abi.encodePacked(
PACKET_VERSION,
_packet.nonce,
_packet.srcEid,
_packet.sender.toBytes32(),
_packet.dstEid,
_packet.receiver,
_packet.guid,
_packet.message
);
}
function encodePacketHeader(Packet memory _packet) internal pure returns (bytes memory) {
return
abi.encodePacked(
PACKET_VERSION,
_packet.nonce,
_packet.srcEid,
_packet.sender.toBytes32(),
_packet.dstEid,
_packet.receiver
);
}
function encodePayload(Packet memory _packet) internal pure returns (bytes memory) {
return abi.encodePacked(_packet.guid, _packet.message);
}
function header(bytes calldata _packet) internal pure returns (bytes calldata) {
return _packet[0:GUID_OFFSET];
}
function version(bytes calldata _packet) internal pure returns (uint8) {
return uint8(bytes1(_packet[PACKET_VERSION_OFFSET:NONCE_OFFSET]));
}
function nonce(bytes calldata _packet) internal pure returns (uint64) {
return uint64(bytes8(_packet[NONCE_OFFSET:SRC_EID_OFFSET]));
}
function srcEid(bytes calldata _packet) internal pure returns (uint32) {
return uint32(bytes4(_packet[SRC_EID_OFFSET:SENDER_OFFSET]));
}
function sender(bytes calldata _packet) internal pure returns (bytes32) {
return bytes32(_packet[SENDER_OFFSET:DST_EID_OFFSET]);
}
function senderAddressB20(bytes calldata _packet) internal pure returns (address) {
return sender(_packet).toAddress();
}
function dstEid(bytes calldata _packet) internal pure returns (uint32) {
return uint32(bytes4(_packet[DST_EID_OFFSET:RECEIVER_OFFSET]));
}
function receiver(bytes calldata _packet) internal pure returns (bytes32) {
return bytes32(_packet[RECEIVER_OFFSET:GUID_OFFSET]);
}
function receiverB20(bytes calldata _packet) internal pure returns (address) {
return receiver(_packet).toAddress();
}
function guid(bytes calldata _packet) internal pure returns (bytes32) {
return bytes32(_packet[GUID_OFFSET:MESSAGE_OFFSET]);
}
function message(bytes calldata _packet) internal pure returns (bytes calldata) {
return bytes(_packet[MESSAGE_OFFSET:]);
}
function payload(bytes calldata _packet) internal pure returns (bytes calldata) {
return bytes(_packet[GUID_OFFSET:]);
}
function payloadHash(bytes calldata _packet) internal pure returns (bytes32) {
return keccak256(payload(_packet));
}
}
文件 36 的 39：SafeERC20.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
文件 37 的 39：SafeTransferLib.sol
pragma solidity ^0.8.4;
library SafeTransferLib {
error ETHTransferFailed();
error TransferFromFailed();
error TransferFailed();
error ApproveFailed();
uint256 internal constant GAS_STIPEND_NO_STORAGE_WRITES = 2300;
uint256 internal constant GAS_STIPEND_NO_GRIEF = 100000;
function safeTransferETH(address to, uint256 amount) internal {
assembly {
if iszero(call(gas(), to, amount, codesize(), 0x00, codesize(), 0x00)) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
}
}
function safeTransferAllETH(address to) internal {
assembly {
if iszero(call(gas(), to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
}
}
function forceSafeTransferETH(address to, uint256 amount, uint256 gasStipend) internal {
assembly {
if lt(selfbalance(), amount) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
if iszero(call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(amount, 0x0b, 0x16)) { revert(codesize(), codesize()) }
}
}
}
function forceSafeTransferAllETH(address to, uint256 gasStipend) internal {
assembly {
if iszero(call(gasStipend, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(selfbalance(), 0x0b, 0x16)) { revert(codesize(), codesize()) }
}
}
}
function forceSafeTransferETH(address to, uint256 amount) internal {
assembly {
if lt(selfbalance(), amount) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
if iszero(call(GAS_STIPEND_NO_GRIEF, to, amount, codesize(), 0x00, codesize(), 0x00)) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(amount, 0x0b, 0x16)) { revert(codesize(), codesize()) }
}
}
}
function forceSafeTransferAllETH(address to) internal {
assembly {
if iszero(call(GAS_STIPEND_NO_GRIEF, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(selfbalance(), 0x0b, 0x16)) { revert(codesize(), codesize()) }
}
}
}
function trySafeTransferETH(address to, uint256 amount, uint256 gasStipend)
internal
returns (bool success)
{
assembly {
success := call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)
}
}
function trySafeTransferAllETH(address to, uint256 gasStipend)
internal
returns (bool success)
{
assembly {
success := call(gasStipend, to, selfbalance(), codesize(), 0x00, codesize(), 0x00)
}
}
function safeTransferFrom(address token, address from, address to, uint256 amount) internal {
assembly {
let m := mload(0x40)
mstore(0x60, amount)
mstore(0x40, to)
mstore(0x2c, shl(96, from))
mstore(0x0c, 0x23b872dd000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
) {
mstore(0x00, 0x7939f424)
revert(0x1c, 0x04)
}
mstore(0x60, 0)
mstore(0x40, m)
}
}
function safeTransferAllFrom(address token, address from, address to)
internal
returns (uint256 amount)
{
assembly {
let m := mload(0x40)
mstore(0x40, to)
mstore(0x2c, shl(96, from))
mstore(0x0c, 0x70a08231000000000000000000000000)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), token, 0x1c, 0x24, 0x60, 0x20)
)
) {
mstore(0x00, 0x7939f424)
revert(0x1c, 0x04)
}
mstore(0x00, 0x23b872dd)
amount := mload(0x60)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
) {
mstore(0x00, 0x7939f424)
revert(0x1c, 0x04)
}
mstore(0x60, 0)
mstore(0x40, m)
}
}
function safeTransfer(address token, address to, uint256 amount) internal {
assembly {
mstore(0x14, to)
mstore(0x34, amount)
mstore(0x00, 0xa9059cbb000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x90b8ec18)
revert(0x1c, 0x04)
}
mstore(0x34, 0)
}
}
function safeTransferAll(address token, address to) internal returns (uint256 amount) {
assembly {
mstore(0x00, 0x70a08231)
mstore(0x20, address())
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), token, 0x1c, 0x24, 0x34, 0x20)
)
) {
mstore(0x00, 0x90b8ec18)
revert(0x1c, 0x04)
}
mstore(0x14, to)
amount := mload(0x34)
mstore(0x00, 0xa9059cbb000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x90b8ec18)
revert(0x1c, 0x04)
}
mstore(0x34, 0)
}
}
function safeApprove(address token, address to, uint256 amount) internal {
assembly {
mstore(0x14, to)
mstore(0x34, amount)
mstore(0x00, 0x095ea7b3000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x3e3f8f73)
revert(0x1c, 0x04)
}
mstore(0x34, 0)
}
}
function safeApproveWithRetry(address token, address to, uint256 amount) internal {
assembly {
mstore(0x14, to)
mstore(0x34, amount)
mstore(0x00, 0x095ea7b3000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x34, 0)
mstore(0x00, 0x095ea7b3000000000000000000000000)
pop(call(gas(), token, 0, 0x10, 0x44, codesize(), 0x00))
mstore(0x34, amount)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x3e3f8f73)
revert(0x1c, 0x04)
}
}
mstore(0x34, 0)
}
}
function balanceOf(address token, address account) internal view returns (uint256 amount) {
assembly {
mstore(0x14, account)
mstore(0x00, 0x70a08231000000000000000000000000)
amount :=
mul(
mload(0x20),
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), token, 0x10, 0x24, 0x20, 0x20)
)
)
}
}
}
文件 38 的 39：Shape.sol
pragma solidity ^0.8.4;
import "@dn404/DN404.sol";
import "@dn404/DN404Mirror.sol";
import {IOFT, OFTCore} from "@layerzerolabs/lz-evm-oapp-v2/contracts/oft/OFTCore.sol";
import {Ownable as SoladyOwnable} from "solady/auth/Ownable.sol";
import {Ownable as OZOwnable} from "@openzeppelin/contracts/access/Ownable.sol";
import {LibString} from "solady/utils/LibString.sol";
import {SafeTransferLib} from "solady/utils/SafeTransferLib.sol";
contract Shape is DN404, OFTCore, SoladyOwnable {
string private _name;
string private _symbol;
string private _baseURI;
constructor(
string memory name_,
string memory symbol_,
string memory baseURI_,
uint96 initialTokenSupply,
address initialSupplyOwner,
address _lzEndpoint
) OFTCore(decimals(), _lzEndpoint, initialSupplyOwner) {
_initializeOwner(msg.sender);
_name = name_;
_symbol = symbol_;
_baseURI = baseURI_;
address mirror = address(new DN404Mirror(msg.sender));
_initializeDN404(initialTokenSupply, initialSupplyOwner, mirror);
}
modifier onlyOwner() virtual override(SoladyOwnable, OZOwnable) {
SoladyOwnable._checkOwner();
_;
}
function _checkOwner() internal view override(SoladyOwnable, OZOwnable) {
SoladyOwnable._checkOwner();
}
function owner() public view virtual override(SoladyOwnable, OZOwnable) returns (address) {
return SoladyOwnable.owner();
}
function renounceOwnership() public virtual override(SoladyOwnable, OZOwnable) onlyOwner {
SoladyOwnable.renounceOwnership();
}
function transferOwnership(address newOwner) public virtual override(SoladyOwnable, OZOwnable) onlyOwner {
SoladyOwnable.transferOwnership(newOwner);
}
function oftVersion() external pure virtual returns (bytes4 interfaceId, uint64 version) {
return (type(IOFT).interfaceId, 1);
}
function token() external view returns (address) {
return address(this);
}
function approvalRequired() external pure virtual returns (bool) {
return false;
}
function _debit(uint256 _amountLD, uint256 _minAmountLD, uint32 _dstEid)
internal
virtual
override
returns (uint256 amountSentLD, uint256 amountReceivedLD)
{
(amountSentLD, amountReceivedLD) = _debitView(_amountLD, _minAmountLD, _dstEid);
_burn(msg.sender, amountSentLD);
}
function _credit(address _to, uint256 _amountLD, uint32 )
internal
virtual
override
returns (uint256 amountReceivedLD)
{
_mint(_to, _amountLD);
return _amountLD;
}
function name() public view override returns (string memory) {
return _name;
}
function symbol() public view override returns (string memory) {
return _symbol;
}
function tokenURI(uint256 tokenId) public view override returns (string memory result) {
if (bytes(_baseURI).length != 0) {
uint8 seed = uint8(bytes1(keccak256(abi.encodePacked(tokenId))));
string memory image;
string memory color;
if (seed <= 100) {
image = "Gold.png";
color = "Topaz";
} else if (seed <= 160) {
image = "Purple.png";
color = "Amethyst";
} else if (seed <= 210) {
image = "Blue.png";
color = "Sapphire";
} else if (seed <= 240) {
image = "Red.png";
color = "Ruby";
} else if (seed <= 255) {
image = "Green.png";
color = "Emerald";
}
string memory jsonPreImage = string.concat(
string.concat(
string.concat('{"name": "Shape #', LibString.toString(tokenId)),
'","description":"A collection of 10,000 shapes enabled by the DN404 token standard, transcending the blockchain with omnichain technology.","external_url":"https://404shape.fi","image":"'
),
string.concat(_baseURI, image)
);
string memory jsonPostImage = string.concat(
'","attributes":[{"trait_type":"Color","value":"',
color
);
string memory jsonPostTraits = '"}]}';
result = string.concat(
"data:application/json;utf8,",
string.concat(
string.concat(jsonPreImage, jsonPostImage),
jsonPostTraits
)
);
}
}
function setBaseURI(string calldata baseURI_) public onlyOwner {
_baseURI = baseURI_;
}
function withdraw() public onlyOwner {
SafeTransferLib.safeTransferAllETH(msg.sender);
}
}
文件 39 的 39：draft-IERC20Permit.sol
pragma solidity ^0.8.0;
interface IERC20Permit {
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function nonces(address owner) external view returns (uint256);
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
{
"compilationTarget": {
"src/Shape.sol": "Shape"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 1000
},
"remappings": [
":@dn404/=lib/dn404/src/",
":@layerzerolabs/lz-evm-oapp-v2/contracts/=lib/LayerZero-v2/oapp/contracts/",
":@layerzerolabs/lz-evm-protocol-v2/contracts/=lib/LayerZero-v2/protocol/contracts/",
":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
":LayerZero-v2/=lib/LayerZero-v2/",
":dn404/=lib/dn404/",
":ds-test/=lib/forge-std/lib/ds-test/src/",
":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
":forge-std/=lib/forge-std/src/",
":openzeppelin-contracts/=lib/openzeppelin-contracts/",
":solady/=lib/dn404/lib/solady/src/",
":solmate/=lib/solmate/src/"
]
}[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"string","name":"baseURI_","type":"string"},{"internalType":"uint96","name":"initialTokenSupply","type":"uint96"},{"internalType":"address","name":"initialSupplyOwner","type":"address"},{"internalType":"address","name":"_lzEndpoint","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"DNAlreadyInitialized","type":"error"},{"inputs":[],"name":"InsufficientAllowance","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InvalidDelegate","type":"error"},{"inputs":[],"name":"InvalidEndpointCall","type":"error"},{"inputs":[],"name":"InvalidLocalDecimals","type":"error"},{"inputs":[{"internalType":"bytes","name":"options","type":"bytes"}],"name":"InvalidOptions","type":"error"},{"inputs":[],"name":"LinkMirrorContractFailed","type":"error"},{"inputs":[],"name":"LzTokenUnavailable","type":"error"},{"inputs":[],"name":"MirrorAddressIsZero","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"}],"name":"NoPeer","type":"error"},{"inputs":[{"internalType":"uint256","name":"msgValue","type":"uint256"}],"name":"NotEnoughNative","type":"error"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"OnlyEndpoint","type":"error"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"}],"name":"OnlyPeer","type":"error"},{"inputs":[],"name":"OnlySelf","type":"error"},{"inputs":[],"name":"SenderNotMirror","type":"error"},{"inputs":[{"internalType":"bytes","name":"result","type":"bytes"}],"name":"SimulationResult","type":"error"},{"inputs":[{"internalType":"uint256","name":"amountLD","type":"uint256"},{"internalType":"uint256","name":"minAmountLD","type":"uint256"}],"name":"SlippageExceeded","type":"error"},{"inputs":[],"name":"TokenDoesNotExist","type":"error"},{"inputs":[],"name":"TotalSupplyOverflow","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"components":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"uint16","name":"msgType","type":"uint16"},{"internalType":"bytes","name":"options","type":"bytes"}],"indexed":false,"internalType":"struct EnforcedOptionParam[]","name":"_enforcedOptions","type":"tuple[]"}],"name":"EnforcedOptionSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"inspector","type":"address"}],"name":"MsgInspectorSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"guid","type":"bytes32"},{"indexed":false,"internalType":"uint32","name":"srcEid","type":"uint32"},{"indexed":true,"internalType":"address","name":"toAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountReceivedLD","type":"uint256"}],"name":"OFTReceived","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"guid","type":"bytes32"},{"indexed":false,"internalType":"uint32","name":"dstEid","type":"uint32"},{"indexed":true,"internalType":"address","name":"fromAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amountSentLD","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amountReceivedLD","type":"uint256"}],"name":"OFTSent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferredOpenZeppelin","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint32","name":"eid","type":"uint32"},{"indexed":false,"internalType":"bytes32","name":"peer","type":"bytes32"}],"name":"PeerSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"preCrimeAddress","type":"address"}],"name":"PreCrimeSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"SkipNFTSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"SEND","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SEND_AND_CALL","outputs":[{"internalType":"uint16","name":"","type":"uint16"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"origin","type":"tuple"}],"name":"allowInitializePath","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"approvalRequired","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint32","name":"_eid","type":"uint32"},{"internalType":"uint16","name":"_msgType","type":"uint16"},{"internalType":"bytes","name":"_extraOptions","type":"bytes"}],"name":"combineOptions","outputs":[{"internalType":"bytes","name":"","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"composeMsgSender","outputs":[{"internalType":"address","name":"sender","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimalConversionRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"endpoint","outputs":[{"internalType":"contract ILayerZeroEndpointV2","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"eid","type":"uint32"},{"internalType":"uint16","name":"msgType","type":"uint16"}],"name":"enforcedOptions","outputs":[{"internalType":"bytes","name":"enforcedOption","type":"bytes"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"a","type":"address"}],"name":"getSkipNFT","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint32","name":"_eid","type":"uint32"},{"internalType":"bytes32","name":"_peer","type":"bytes32"}],"name":"isPeer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct Origin","name":"_origin","type":"tuple"},{"internalType":"bytes32","name":"_guid","type":"bytes32"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"address","name":"_executor","type":"address"},{"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"lzReceive","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"components":[{"internalType":"uint32","name":"srcEid","type":"uint32"},{"internalType":"bytes32","name":"sender","type":"bytes32"},{"internalType":"uint64","name":"nonce","type":"uint64"}],"internalType":"struct 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