编译器
0.8.24+commit.e11b9ed9
文件 1 的 38：Address.sol
pragma solidity ^0.8.20;
library Address {
error AddressInsufficientBalance(address account);
error AddressEmptyCode(address target);
error FailedInnerCall();
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert AddressInsufficientBalance(address(this));
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert FailedInnerCall();
}
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert AddressInsufficientBalance(address(this));
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
function _revert(bytes memory returndata) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert FailedInnerCall();
}
}
}
文件 2 的 38：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 38：Context.sol
pragma solidity ^0.8.20;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
文件 4 的 38：DN404.sol
pragma solidity ^0.8.4;
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 owner, bool status);
uint256 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
uint256 private constant _APPROVAL_EVENT_SIGNATURE =
0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925;
uint256 private constant _SKIP_NFT_SET_EVENT_SIGNATURE =
0xb5a1de456fff688115a4f75380060c23c8532d14ff85f687cc871456d6420393;
error DNAlreadyInitialized();
error DNNotInitialized();
error InsufficientBalance();
error InsufficientAllowance();
error TotalSupplyOverflow();
error InvalidUnit();
error SenderNotMirror();
error TransferToZeroAddress();
error MirrorAddressIsZero();
error LinkMirrorContractFailed();
error ApprovalCallerNotOwnerNorApproved();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TokenDoesNotExist();
error FnSelectorNotRecognized();
uint8 internal constant _ADDRESS_DATA_INITIALIZED_FLAG = 1 << 0;
uint8 internal constant _ADDRESS_DATA_SKIP_NFT_FLAG = 1 << 1;
uint8 internal constant _ADDRESS_DATA_OVERRIDE_PERMIT2_FLAG = 1 << 2;
address internal constant _PERMIT2 = 0x000000000022D473030F116dDEE9F6B43aC78BA3;
struct AddressData {
uint88 aux;
uint8 flags;
uint32 addressAlias;
uint32 ownedLength;
uint96 balance;
}
struct Uint32Map {
uint256 spacer;
}
struct Bitmap {
uint256 spacer;
}
struct Uint256Ref {
uint256 value;
}
struct AddressPairToUint256RefMap {
uint256 spacer;
}
struct DN404Storage {
uint32 numAliases;
uint32 nextTokenId;
uint32 burnedPoolHead;
uint32 burnedPoolTail;
uint32 totalNFTSupply;
uint96 totalSupply;
address mirrorERC721;
mapping(uint32 => address) aliasToAddress;
AddressPairToUint256RefMap operatorApprovals;
mapping(uint256 => address) nftApprovals;
Bitmap mayHaveNFTApproval;
Bitmap exists;
AddressPairToUint256RefMap allowance;
mapping(address => Uint32Map) owned;
Uint32Map burnedPool;
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();
unchecked {
if (_unit() - 1 >= 2 ** 96 - 1) revert InvalidUnit();
}
if ($.mirrorERC721 != address(0)) revert DNAlreadyInitialized();
if (mirror == address(0)) revert MirrorAddressIsZero();
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)
}
}
$.nextTokenId = 1;
$.mirrorERC721 = mirror;
if (initialTokenSupply != 0) {
if (initialSupplyOwner == address(0)) revert TransferToZeroAddress();
if (_totalSupplyOverflows(initialTokenSupply)) revert TotalSupplyOverflow();
$.totalSupply = uint96(initialTokenSupply);
AddressData storage initialOwnerAddressData = _addressData(initialSupplyOwner);
initialOwnerAddressData.balance = uint96(initialTokenSupply);
assembly {
mstore(0x00, initialTokenSupply)
log3(0x00, 0x20, _TRANSFER_EVENT_SIGNATURE, 0, shr(96, shl(96, initialSupplyOwner)))
}
_setSkipNFT(initialSupplyOwner, true);
}
}
function _unit() internal view virtual returns (uint256) {
return 10 ** 18;
}
function name() public view virtual returns (string memory);
function symbol() public view virtual returns (string memory);
function _tokenURI(uint256 id) internal view virtual returns (string memory);
function _useDirectTransfersIfPossible() internal view virtual returns (bool) {
return true;
}
function _addToBurnedPool(uint256 totalNFTSupplyAfterBurn, uint256 totalSupplyAfterBurn)
internal
view
virtual
returns (bool)
{
totalSupplyAfterBurn = totalNFTSupplyAfterBurn;
return false;
}
function _useExistsLookup() internal view virtual returns (bool) {
return true;
}
function _afterNFTTransfer(address from, address to, uint256 id) internal virtual {}
function decimals() public view virtual 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) {
if (_givePermit2DefaultInfiniteAllowance() && spender == _PERMIT2) {
uint8 flags = _getDN404Storage().addressData[owner].flags;
if (_isZero(flags & _ADDRESS_DATA_OVERRIDE_PERMIT2_FLAG)) return type(uint256).max;
}
return _ref(_getDN404Storage().allowance, owner, spender).value;
}
function approve(address spender, uint256 amount) public virtual returns (bool) {
_approve(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) {
Uint256Ref storage a = _ref(_getDN404Storage().allowance, from, msg.sender);
uint256 allowed = _givePermit2DefaultInfiniteAllowance() && msg.sender == _PERMIT2
&& _isZero(_getDN404Storage().addressData[from].flags & _ADDRESS_DATA_OVERRIDE_PERMIT2_FLAG)
? type(uint256).max
: a.value;
if (allowed != type(uint256).max) {
if (amount > allowed) revert InsufficientAllowance();
unchecked {
a.value = allowed - amount;
}
}
_transfer(from, to, amount);
return true;
}
function _givePermit2DefaultInfiniteAllowance() internal view virtual returns (bool) {
return false;
}
function _mint(address to, uint256 amount) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
AddressData storage toAddressData = _addressData(to);
DN404Storage storage $ = _getDN404Storage();
if ($.mirrorERC721 == address(0)) revert DNNotInitialized();
_DNMintTemps memory t;
unchecked {
uint256 toBalance = uint256(toAddressData.balance) + amount;
toAddressData.balance = uint96(toBalance);
t.toEnd = toBalance / _unit();
}
uint256 maxId;
unchecked {
uint256 totalSupply_ = uint256($.totalSupply) + amount;
$.totalSupply = uint96(totalSupply_);
uint256 overflows = _toUint(_totalSupplyOverflows(totalSupply_));
if (overflows | _toUint(totalSupply_ < amount) != 0) revert TotalSupplyOverflow();
maxId = totalSupply_ / _unit();
}
unchecked {
if (_isZero(toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG)) {
Uint32Map storage toOwned = $.owned[to];
Uint32Map storage oo = $.oo;
uint256 toIndex = toAddressData.ownedLength;
_DNPackedLogs memory packedLogs = _packedLogsMalloc(_zeroFloorSub(t.toEnd, toIndex));
if (packedLogs.logs.length != 0) {
_packedLogsSet(packedLogs, to, 0);
$.totalNFTSupply += uint32(packedLogs.logs.length);
toAddressData.ownedLength = uint32(t.toEnd);
t.toAlias = _registerAndResolveAlias(toAddressData, to);
uint32 burnedPoolHead = $.burnedPoolHead;
t.burnedPoolTail = $.burnedPoolTail;
t.nextTokenId = _wrapNFTId($.nextTokenId, maxId);
do {
uint256 id;
if (burnedPoolHead != t.burnedPoolTail) {
id = _get($.burnedPool, burnedPoolHead++);
} else {
id = t.nextTokenId;
while (_get(oo, _ownershipIndex(id)) != 0) {
id = _useExistsLookup()
? _wrapNFTId(_findFirstUnset($.exists, id + 1, maxId), maxId)
: _wrapNFTId(id + 1, maxId);
}
t.nextTokenId = _wrapNFTId(id + 1, maxId);
}
if (_useExistsLookup()) _set($.exists, id, true);
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex(oo, id, t.toAlias, uint32(toIndex++));
_packedLogsAppend(packedLogs, id);
_afterNFTTransfer(address(0), to, id);
} while (toIndex != t.toEnd);
$.nextTokenId = uint32(t.nextTokenId);
$.burnedPoolHead = burnedPoolHead;
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
}
assembly {
mstore(0x00, amount)
log3(0x00, 0x20, _TRANSFER_EVENT_SIGNATURE, 0, shr(96, shl(96, to)))
}
}
function _mintNext(address to, uint256 amount) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
AddressData storage toAddressData = _addressData(to);
DN404Storage storage $ = _getDN404Storage();
if ($.mirrorERC721 == address(0)) revert DNNotInitialized();
_DNMintTemps memory t;
unchecked {
uint256 toBalance = uint256(toAddressData.balance) + amount;
toAddressData.balance = uint96(toBalance);
t.toEnd = toBalance / _unit();
}
uint256 startId;
uint256 maxId;
unchecked {
uint256 preTotalSupply = uint256($.totalSupply);
startId = preTotalSupply / _unit() + 1;
uint256 totalSupply_ = uint256(preTotalSupply) + amount;
$.totalSupply = uint96(totalSupply_);
uint256 overflows = _toUint(_totalSupplyOverflows(totalSupply_));
if (overflows | _toUint(totalSupply_ < amount) != 0) revert TotalSupplyOverflow();
maxId = totalSupply_ / _unit();
}
unchecked {
if (_isZero(toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG)) {
Uint32Map storage toOwned = $.owned[to];
Uint32Map storage oo = $.oo;
uint256 toIndex = toAddressData.ownedLength;
_DNPackedLogs memory packedLogs = _packedLogsMalloc(_zeroFloorSub(t.toEnd, toIndex));
if (packedLogs.logs.length != 0) {
_packedLogsSet(packedLogs, to, 0);
$.totalNFTSupply += uint32(packedLogs.logs.length);
toAddressData.ownedLength = uint32(t.toEnd);
t.toAlias = _registerAndResolveAlias(toAddressData, to);
do {
uint256 id = startId;
while (_get(oo, _ownershipIndex(id)) != 0) {
id = _useExistsLookup()
? _wrapNFTId(_findFirstUnset($.exists, id + 1, maxId), maxId)
: _wrapNFTId(id + 1, maxId);
}
startId = _wrapNFTId(id + 1, maxId);
if (_useExistsLookup()) _set($.exists, id, true);
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex(oo, id, t.toAlias, uint32(toIndex++));
_packedLogsAppend(packedLogs, id);
_afterNFTTransfer(address(0), to, id);
} while (toIndex != t.toEnd);
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
}
assembly {
mstore(0x00, amount)
log3(0x00, 0x20, _TRANSFER_EVENT_SIGNATURE, 0, shr(96, shl(96, to)))
}
}
function _burn(address from, uint256 amount) internal virtual {
DN404Storage storage $ = _getDN404Storage();
if ($.mirrorERC721 == address(0)) revert DNNotInitialized();
AddressData storage fromAddressData = $.addressData[from];
uint256 fromBalance = fromAddressData.balance;
if (amount > fromBalance) revert InsufficientBalance();
unchecked {
fromAddressData.balance = uint96(fromBalance -= amount);
uint256 totalSupply_ = uint256($.totalSupply) - amount;
$.totalSupply = uint96(totalSupply_);
Uint32Map storage fromOwned = $.owned[from];
uint256 fromIndex = fromAddressData.ownedLength;
uint256 numNFTBurns = _zeroFloorSub(fromIndex, fromBalance / _unit());
if (numNFTBurns != 0) {
_DNPackedLogs memory packedLogs = _packedLogsMalloc(numNFTBurns);
_packedLogsSet(packedLogs, from, 1);
bool addToBurnedPool;
{
uint256 totalNFTSupply = uint256($.totalNFTSupply) - numNFTBurns;
$.totalNFTSupply = uint32(totalNFTSupply);
addToBurnedPool = _addToBurnedPool(totalNFTSupply, totalSupply_);
}
Uint32Map storage oo = $.oo;
uint256 fromEnd = fromIndex - numNFTBurns;
fromAddressData.ownedLength = uint32(fromEnd);
uint32 burnedPoolTail = $.burnedPoolTail;
do {
uint256 id = _get(fromOwned, --fromIndex);
_setOwnerAliasAndOwnedIndex(oo, id, 0, 0);
_packedLogsAppend(packedLogs, id);
if (_useExistsLookup()) _set($.exists, id, false);
if (addToBurnedPool) _set($.burnedPool, burnedPoolTail++, uint32(id));
if (_get($.mayHaveNFTApproval, id)) {
_set($.mayHaveNFTApproval, id, false);
delete $.nftApprovals[id];
}
_afterNFTTransfer(from, address(0), id);
} while (fromIndex != fromEnd);
if (addToBurnedPool) $.burnedPoolTail = burnedPoolTail;
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
assembly {
mstore(0x00, amount)
log3(0x00, 0x20, _TRANSFER_EVENT_SIGNATURE, shr(96, shl(96, from)), 0)
}
}
function _transfer(address from, address to, uint256 amount) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
DN404Storage storage $ = _getDN404Storage();
AddressData storage fromAddressData = $.addressData[from];
AddressData storage toAddressData = _addressData(to);
if ($.mirrorERC721 == address(0)) revert DNNotInitialized();
_DNTransferTemps memory t;
t.fromOwnedLength = fromAddressData.ownedLength;
t.toOwnedLength = toAddressData.ownedLength;
unchecked {
{
uint256 fromBalance = fromAddressData.balance;
if (amount > fromBalance) revert InsufficientBalance();
fromAddressData.balance = uint96(fromBalance -= amount);
uint256 toBalance = uint256(toAddressData.balance) + amount;
toAddressData.balance = uint96(toBalance);
t.numNFTBurns = _zeroFloorSub(t.fromOwnedLength, fromBalance / _unit());
if (_isZero(toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG)) {
if (from == to) t.toOwnedLength = t.fromOwnedLength - t.numNFTBurns;
t.numNFTMints = _zeroFloorSub(toBalance / _unit(), t.toOwnedLength);
}
}
while (_useDirectTransfersIfPossible()) {
uint256 n = _min(t.fromOwnedLength, _min(t.numNFTBurns, t.numNFTMints));
if (_isZero(n)) break;
t.numNFTBurns -= n;
t.numNFTMints -= n;
if (from == to) {
t.toOwnedLength += n;
break;
}
_DNDirectLogs memory directLogs = _directLogsMalloc(n, from, to);
Uint32Map storage fromOwned = $.owned[from];
Uint32Map storage toOwned = $.owned[to];
t.toAlias = _registerAndResolveAlias(toAddressData, to);
uint256 toIndex = t.toOwnedLength;
n = toIndex + n;
do {
uint256 id = _get(fromOwned, --t.fromOwnedLength);
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex($.oo, id, t.toAlias, uint32(toIndex));
_directLogsAppend(directLogs, id);
if (_get($.mayHaveNFTApproval, id)) {
_set($.mayHaveNFTApproval, id, false);
delete $.nftApprovals[id];
}
_afterNFTTransfer(from, to, id);
} while (++toIndex != n);
toAddressData.ownedLength = uint32(t.toOwnedLength = toIndex);
fromAddressData.ownedLength = uint32(t.fromOwnedLength);
_directLogsSend(directLogs, $.mirrorERC721);
break;
}
t.totalNFTSupply = uint256($.totalNFTSupply) + t.numNFTMints - t.numNFTBurns;
$.totalNFTSupply = uint32(t.totalNFTSupply);
Uint32Map storage oo = $.oo;
_DNPackedLogs memory packedLogs = _packedLogsMalloc(t.numNFTBurns + t.numNFTMints);
t.burnedPoolTail = $.burnedPoolTail;
if (t.numNFTBurns != 0) {
_packedLogsSet(packedLogs, from, 1);
bool addToBurnedPool = _addToBurnedPool(t.totalNFTSupply, $.totalSupply);
Uint32Map storage fromOwned = $.owned[from];
uint256 fromIndex = t.fromOwnedLength;
fromAddressData.ownedLength = uint32(t.fromEnd = fromIndex - t.numNFTBurns);
uint32 burnedPoolTail = t.burnedPoolTail;
do {
uint256 id = _get(fromOwned, --fromIndex);
_setOwnerAliasAndOwnedIndex(oo, id, 0, 0);
_packedLogsAppend(packedLogs, id);
if (_useExistsLookup()) _set($.exists, id, false);
if (addToBurnedPool) _set($.burnedPool, burnedPoolTail++, uint32(id));
if (_get($.mayHaveNFTApproval, id)) {
_set($.mayHaveNFTApproval, id, false);
delete $.nftApprovals[id];
}
_afterNFTTransfer(from, address(0), id);
} while (fromIndex != t.fromEnd);
if (addToBurnedPool) $.burnedPoolTail = (t.burnedPoolTail = burnedPoolTail);
}
if (t.numNFTMints != 0) {
_packedLogsSet(packedLogs, to, 0);
Uint32Map storage toOwned = $.owned[to];
t.toAlias = _registerAndResolveAlias(toAddressData, to);
uint256 maxId = $.totalSupply / _unit();
t.nextTokenId = _wrapNFTId($.nextTokenId, maxId);
uint256 toIndex = t.toOwnedLength;
toAddressData.ownedLength = uint32(t.toEnd = toIndex + t.numNFTMints);
uint32 burnedPoolHead = $.burnedPoolHead;
do {
uint256 id;
if (burnedPoolHead != t.burnedPoolTail) {
id = _get($.burnedPool, burnedPoolHead++);
} else {
id = t.nextTokenId;
while (_get(oo, _ownershipIndex(id)) != 0) {
id = _useExistsLookup()
? _wrapNFTId(_findFirstUnset($.exists, id + 1, maxId), maxId)
: _wrapNFTId(id + 1, maxId);
}
t.nextTokenId = _wrapNFTId(id + 1, maxId);
}
if (_useExistsLookup()) _set($.exists, id, true);
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex(oo, id, t.toAlias, uint32(toIndex++));
_packedLogsAppend(packedLogs, id);
_afterNFTTransfer(address(0), to, id);
} while (toIndex != t.toEnd);
$.burnedPoolHead = burnedPoolHead;
$.nextTokenId = uint32(t.nextTokenId);
}
if (packedLogs.logs.length != 0) _packedLogsSend(packedLogs, $.mirrorERC721);
}
assembly {
mstore(0x00, amount)
log3(0x00, 0x20, _TRANSFER_EVENT_SIGNATURE, shr(96, shl(96, from)), shr(96, shl(96, to)))
}
}
function _initiateTransferFromNFT(address from, address to, uint256 id, address msgSender)
internal
virtual
{
_transferFromNFT(from, to, id, msgSender);
_DNDirectLogs memory directLogs = _directLogsMalloc(1, from, to);
_directLogsAppend(directLogs, id);
_directLogsSend(directLogs, _getDN404Storage().mirrorERC721);
}
function _transferFromNFT(address from, address to, uint256 id, address msgSender)
internal
virtual
{
if (to == address(0)) revert TransferToZeroAddress();
DN404Storage storage $ = _getDN404Storage();
if ($.mirrorERC721 == address(0)) revert DNNotInitialized();
Uint32Map storage oo = $.oo;
if (from != $.aliasToAddress[_get(oo, _ownershipIndex(_restrictNFTId(id)))]) {
revert TransferFromIncorrectOwner();
}
if (msgSender != from) {
if (!_isApprovedForAll(from, msgSender)) {
if (_getApproved(id) != msgSender) {
revert TransferCallerNotOwnerNorApproved();
}
}
}
AddressData storage fromAddressData = $.addressData[from];
AddressData storage toAddressData = $.addressData[to];
uint256 unit = _unit();
mapping(address => Uint32Map) storage owned = $.owned;
unchecked {
uint256 fromBalance = fromAddressData.balance;
if (unit > fromBalance) revert InsufficientBalance();
fromAddressData.balance = uint96(fromBalance - unit);
toAddressData.balance += uint96(unit);
}
if (_get($.mayHaveNFTApproval, id)) {
_set($.mayHaveNFTApproval, id, false);
delete $.nftApprovals[id];
}
unchecked {
Uint32Map storage fromOwned = owned[from];
uint32 updatedId = _get(fromOwned, --fromAddressData.ownedLength);
uint32 i = _get(oo, _ownedIndex(id));
_set(fromOwned, i, updatedId);
_set(oo, _ownedIndex(updatedId), i);
}
unchecked {
uint32 n = toAddressData.ownedLength++;
_set(owned[to], n, uint32(id));
_setOwnerAliasAndOwnedIndex(oo, id, _registerAndResolveAlias(toAddressData, to), n);
}
_afterNFTTransfer(from, to, id);
assembly {
mstore(0x00, unit)
log3(0x00, 0x20, _TRANSFER_EVENT_SIGNATURE, shr(96, shl(96, from)), shr(96, shl(96, to)))
}
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
if (_givePermit2DefaultInfiniteAllowance() && spender == _PERMIT2) {
_getDN404Storage().addressData[owner].flags |= _ADDRESS_DATA_OVERRIDE_PERMIT2_FLAG;
}
_ref(_getDN404Storage().allowance, owner, spender).value = amount;
assembly {
mstore(0x00, amount)
log3(0x00, 0x20, _APPROVAL_EVENT_SIGNATURE, shr(96, shl(96, owner)), shr(96, shl(96, spender)))
}
}
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 owner) public view virtual returns (bool) {
AddressData storage d = _getDN404Storage().addressData[owner];
if (_isZero(d.flags & _ADDRESS_DATA_INITIALIZED_FLAG)) return _hasCode(owner);
return d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0;
}
function setSkipNFT(bool skipNFT) public virtual returns (bool) {
_setSkipNFT(msg.sender, skipNFT);
return true;
}
function _setSkipNFT(address owner, bool state) internal virtual {
AddressData storage d = _addressData(owner);
if ((d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0) != state) {
d.flags ^= _ADDRESS_DATA_SKIP_NFT_FLAG;
}
assembly {
mstore(0x00, iszero(iszero(state)))
log2(0x00, 0x20, _SKIP_NFT_SET_EVENT_SIGNATURE, shr(96, shl(96, owner)))
}
}
function _addressData(address owner) internal virtual returns (AddressData storage d) {
d = _getDN404Storage().addressData[owner];
unchecked {
if (_isZero(d.flags & _ADDRESS_DATA_INITIALIZED_FLAG)) {
uint256 skipNFT = _toUint(_hasCode(owner)) * _ADDRESS_DATA_SKIP_NFT_FLAG;
d.flags = uint8(skipNFT | _ADDRESS_DATA_INITIALIZED_FLAG);
}
}
}
function _registerAndResolveAlias(AddressData storage toAddressData, address to)
internal
virtual
returns (uint32 addressAlias)
{
DN404Storage storage $ = _getDN404Storage();
addressAlias = toAddressData.addressAlias;
if (_isZero(addressAlias)) {
unchecked {
addressAlias = ++$.numAliases;
}
toAddressData.addressAlias = addressAlias;
$.aliasToAddress[addressAlias] = to;
if (_isZero(addressAlias)) revert();
}
}
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(_restrictNFTId(id)))];
}
function _ownerOf(uint256 id) internal view virtual returns (address) {
if (!_exists(id)) revert TokenDoesNotExist();
return _ownerAt(id);
}
function _isApprovedForAll(address owner, address operator)
internal
view
virtual
returns (bool)
{
return !_isZero(_ref(_getDN404Storage().operatorApprovals, owner, operator).value);
}
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().nftApprovals[id];
}
function _approveNFT(address spender, uint256 id, address msgSender)
internal
virtual
returns (address owner)
{
DN404Storage storage $ = _getDN404Storage();
owner = $.aliasToAddress[_get($.oo, _ownershipIndex(_restrictNFTId(id)))];
if (msgSender != owner) {
if (!_isApprovedForAll(owner, msgSender)) {
revert ApprovalCallerNotOwnerNorApproved();
}
}
$.nftApprovals[id] = spender;
_set($.mayHaveNFTApproval, id, spender != address(0));
}
function _setApprovalForAll(address operator, bool approved, address msgSender)
internal
virtual
{
_ref(_getDN404Storage().operatorApprovals, msgSender, operator).value = _toUint(approved);
}
function _ownedIds(address owner, uint256 begin, uint256 end)
internal
view
virtual
returns (uint256[] memory ids)
{
DN404Storage storage $ = _getDN404Storage();
Uint32Map storage owned = $.owned[owner];
end = _min($.addressData[owner].ownedLength, end);
assembly {
ids := mload(0x40)
let i := begin
for {} lt(i, end) { i := add(i, 1) } {
let s := add(shl(96, owned.slot), shr(3, i))
let id := and(0xffffffff, shr(shl(5, and(i, 7)), sload(s)))
mstore(add(add(ids, 0x20), shl(5, sub(i, begin))), id)
}
mstore(ids, sub(i, begin))
mstore(0x40, add(add(ids, 0x20), shl(5, sub(i, begin))))
}
}
modifier dn404Fallback() virtual {
DN404Storage storage $ = _getDN404Storage();
uint256 fnSelector = _calldataload(0x00) >> 224;
if (fnSelector == 0xe5eb36c8) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
_transferFromNFT(
address(uint160(_calldataload(0x04))),
address(uint160(_calldataload(0x24))),
_calldataload(0x44),
address(uint160(_calldataload(0x64)))
);
_return(1);
}
if (fnSelector == 0x813500fc) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
_setApprovalForAll(
address(uint160(_calldataload(0x04))),
_calldataload(0x24) != 0,
address(uint160(_calldataload(0x44)))
);
_return(1);
}
if (fnSelector == 0xe985e9c5) {
bool result = _isApprovedForAll(
address(uint160(_calldataload(0x04))),
address(uint160(_calldataload(0x24)))
);
_return(_toUint(result));
}
if (fnSelector == 0x6352211e) {
_return(uint160(_ownerOf(_calldataload(0x04))));
}
if (fnSelector == 0x24359879) {
_return(uint160(_ownerAt(_calldataload(0x04))));
}
if (fnSelector == 0xd10b6e0c) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
address owner = _approveNFT(
address(uint160(_calldataload(0x04))),
_calldataload(0x24),
address(uint160(_calldataload(0x44)))
);
_return(uint160(owner));
}
if (fnSelector == 0x081812fc) {
_return(uint160(_getApproved(_calldataload(0x04))));
}
if (fnSelector == 0xf5b100ea) {
_return(_balanceOfNFT(address(uint160(_calldataload(0x04)))));
}
if (fnSelector == 0xe2c79281) {
_return(_totalNFTSupply());
}
if (fnSelector == 0xc87b56dd) {
assembly {
mstore(0x40, add(mload(0x40), 0x20))
}
string memory uri = _tokenURI(_calldataload(0x04));
assembly {
let o := sub(uri, 0x20)
let z := add(mload(uri), 0x40)
mstore(add(o, z), 0)
mstore(o, 0x20)
return(o, and(not(0x1f), add(0x1f, z)))
}
}
if (fnSelector == 0xb7a94eb8) {
_return(1);
}
_;
}
fallback() external payable virtual dn404Fallback {
revert FnSelectorNotRecognized();
}
receive() external payable virtual {
if (msg.value != 0) revert();
}
function _ownershipIndex(uint256 i) internal pure returns (uint256) {
unchecked {
return (i - 1) << 1;
}
}
function _ownedIndex(uint256 i) internal pure returns (uint256) {
unchecked {
return ((i - 1) << 1) + 1;
}
}
function _get(Uint32Map storage map, uint256 index) internal view returns (uint32 result) {
assembly {
let s := add(shl(96, map.slot), shr(3, index))
result := and(0xffffffff, shr(shl(5, and(index, 7)), sload(s)))
}
}
function _set(Uint32Map storage map, uint256 index, uint32 value) internal {
assembly {
let s := add(shl(96, map.slot), shr(3, index))
let o := shl(5, and(index, 7))
let v := sload(s)
sstore(s, xor(v, shl(o, and(0xffffffff, xor(value, shr(o, v))))))
}
}
function _setOwnerAliasAndOwnedIndex(
Uint32Map storage map,
uint256 id,
uint32 ownership,
uint32 ownedIndex
) internal {
assembly {
let i := sub(id, 1)
let s := add(shl(96, map.slot), shr(2, i))
let v := sload(s)
let o := shl(6, and(i, 3))
let combined := or(shl(32, ownedIndex), and(0xffffffff, ownership))
sstore(s, xor(v, shl(o, and(0xffffffffffffffff, xor(shr(o, v), combined)))))
}
}
function _get(Bitmap storage bitmap, uint256 index) internal view returns (bool result) {
assembly {
let s := add(shl(96, bitmap.slot), shr(8, index))
result := and(1, shr(and(0xff, index), sload(s)))
}
}
function _set(Bitmap storage bitmap, uint256 index, bool value) internal {
assembly {
let s := add(shl(96, bitmap.slot), shr(8, index))
let o := and(0xff, index)
sstore(s, or(and(sload(s), not(shl(o, 1))), shl(o, iszero(iszero(value)))))
}
}
function _findFirstUnset(Bitmap storage bitmap, uint256 begin, uint256 upTo)
internal
view
returns (uint256 unsetBitIndex)
{
assembly {
unsetBitIndex := not(0)
let s := shl(96, bitmap.slot)
let bucket := add(s, shr(8, begin))
let negBits := shl(and(0xff, begin), shr(and(0xff, begin), not(sload(bucket))))
if iszero(negBits) {
let lastBucket := add(s, shr(8, upTo))
for {} 1 {} {
bucket := add(bucket, 1)
negBits := not(sload(bucket))
if or(negBits, gt(bucket, lastBucket)) { break }
}
if gt(bucket, lastBucket) {
negBits := shr(and(0xff, not(upTo)), shl(and(0xff, not(upTo)), negBits))
}
}
if negBits {
let b := and(negBits, add(not(negBits), 1))
let r := shl(5, shr(252, shl(shl(2, shr(250, mul(b,
0x2aaaaaaaba69a69a6db6db6db2cb2cb2ce739ce73def7bdeffffffff))),
0x1412563212c14164235266736f7425221143267a45243675267677)))
r := or(r, byte(and(div(0xd76453e0, shr(r, b)), 0x1f),
0x001f0d1e100c1d070f090b19131c1706010e11080a1a141802121b1503160405))
r := or(shl(8, sub(bucket, s)), r)
unsetBitIndex := or(r, sub(0, or(gt(r, upTo), lt(r, begin))))
}
}
}
function _ref(AddressPairToUint256RefMap storage map, address a0, address a1)
internal
pure
returns (Uint256Ref storage ref)
{
assembly {
mstore(0x28, a1)
mstore(0x14, a0)
mstore(0x00, map.slot)
ref.slot := keccak256(0x00, 0x48)
mstore(0x28, 0x00)
}
}
function _wrapNFTId(uint256 id, uint256 maxId) internal pure returns (uint256 result) {
assembly {
result := or(mul(iszero(gt(id, maxId)), id), gt(id, maxId))
}
}
function _restrictNFTId(uint256 id) internal pure returns (uint256 result) {
assembly {
result := mul(id, lt(id, 0x100000000))
}
}
function _totalSupplyOverflows(uint256 amount) internal view returns (bool result) {
uint256 unit = _unit();
assembly {
result := iszero(iszero(or(shr(96, amount), lt(0xfffffffe, div(amount, unit)))))
}
}
function _zeroFloorSub(uint256 x, uint256 y) internal pure returns (uint256 z) {
assembly {
z := mul(gt(x, y), sub(x, y))
}
}
function _min(uint256 x, uint256 y) internal pure returns (uint256 z) {
assembly {
z := xor(x, mul(xor(x, y), lt(y, x)))
}
}
function _toUint(bool b) internal pure returns (uint256 result) {
assembly {
result := iszero(iszero(b))
}
}
function _isZero(uint256 x) internal pure returns (bool result) {
assembly {
result := iszero(x)
}
}
struct _DNDirectLogs {
uint256 offset;
uint256[] logs;
}
function _directLogsMalloc(uint256 n, address from, address to)
private
pure
returns (_DNDirectLogs memory p)
{
assembly {
let m := mload(0x40)
mstore(m, 0x144027d3)
mstore(add(m, 0x20), shr(96, shl(96, from)))
mstore(add(m, 0x40), shr(96, shl(96, to)))
mstore(add(m, 0x60), 0x60)
let logs := add(0x80, m)
mstore(logs, n)
let offset := add(0x20, logs)
mstore(0x40, add(offset, shl(5, n)))
mstore(add(0x20, p), logs)
mstore(p, offset)
}
}
function _directLogsAppend(_DNDirectLogs memory p, uint256 id) private pure {
assembly {
let offset := mload(p)
mstore(offset, id)
mstore(p, add(offset, 0x20))
}
}
function _directLogsSend(_DNDirectLogs memory p, address mirror) private {
assembly {
let logs := mload(add(p, 0x20))
let n := add(0x84, shl(5, mload(logs)))
let o := sub(logs, 0x80)
if iszero(and(eq(mload(o), 1), call(gas(), mirror, 0, add(o, 0x1c), n, o, 0x20))) {
revert(o, 0x00)
}
}
}
struct _DNPackedLogs {
uint256 offset;
uint256 addressAndBit;
uint256[] logs;
}
function _packedLogsMalloc(uint256 n) private pure returns (_DNPackedLogs memory p) {
assembly {
let logs := mload(0x40)
mstore(logs, n)
let offset := add(0x20, logs)
mstore(0x40, add(offset, shl(5, n)))
mstore(add(0x40, p), logs)
mstore(p, offset)
}
}
function _packedLogsSet(_DNPackedLogs memory p, address a, uint256 burnBit) private pure {
assembly {
mstore(add(p, 0x20), or(shl(96, a), burnBit))
}
}
function _packedLogsAppend(_DNPackedLogs memory p, uint256 id) private pure {
assembly {
let offset := mload(p)
mstore(offset, or(mload(add(p, 0x20)), shl(8, id)))
mstore(p, add(offset, 0x20))
}
}
function _packedLogsSend(_DNPackedLogs memory p, address mirror) private {
assembly {
let logs := mload(add(p, 0x40))
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 _DNTransferTemps {
uint256 numNFTBurns;
uint256 numNFTMints;
uint256 fromOwnedLength;
uint256 toOwnedLength;
uint256 totalNFTSupply;
uint256 fromEnd;
uint256 toEnd;
uint32 toAlias;
uint256 nextTokenId;
uint32 burnedPoolTail;
}
struct _DNMintTemps {
uint256 nextTokenId;
uint32 burnedPoolTail;
uint256 toEnd;
uint32 toAlias;
}
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)
}
}
}文件 5 的 38：IERC165.sol
pragma solidity ^0.8.20;
interface IERC165 {
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
文件 6 的 38：IERC20.sol
pragma solidity ^0.8.20;
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 value) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
文件 7 的 38：IERC20Permit.sol
pragma solidity ^0.8.20;
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);
}
文件 8 的 38：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 38：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 38：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 38：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 _gracePeriod) 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 _expiry) 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 38：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 38：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 38：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 38：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 38：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 38：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 38：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 38：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 isComposeMsgSender(
Origin calldata _origin,
bytes calldata _message,
address _sender
) external view returns (bool isSender);
}
文件 20 的 38：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 38：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 38：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 38：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 38：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 38：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 {
_setPeer(_eid, _peer);
}
function _setPeer(uint32 _eid, bytes32 _peer) internal virtual {
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 38：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 {
_setEnforcedOptions(_enforcedOptions);
}
function _setEnforcedOptions(EnforcedOptionParam[] memory _enforcedOptions) internal virtual {
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 memory _options) internal pure virtual {
uint16 optionsType;
assembly {
optionsType := mload(add(_options, 2))
}
if (optionsType != OPTION_TYPE_3) revert InvalidOptions(_options);
}
}
文件 27 的 38：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 38：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 = 2;
function oAppVersion() public view virtual returns (uint64 senderVersion, uint64 receiverVersion) {
return (0, RECEIVER_VERSION);
}
function isComposeMsgSender(
Origin calldata ,
bytes calldata ,
address _sender
) public view virtual returns (bool) {
return _sender == 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 38：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 38：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 38：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 oftVersion() external pure virtual returns (bytes4 interfaceId, uint64 version) {
return (type(IOFT).interfaceId, 1);
}
function sharedDecimals() public view 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(
msg.sender,
_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(
address _from,
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 38：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 38：Ownable.sol
pragma solidity ^0.8.20;
import {Context} from "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
error OwnableUnauthorizedAccount(address account);
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 34 的 38：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 38：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 38：SafeERC20.sol
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
error SafeERC20FailedOperation(address token);
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data);
if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
revert SafeERC20FailedOperation(address(token));
}
}
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
(bool success, bytes memory returndata) = address(token).call(data);
return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
}
}
文件 37 的 38：SafeTransferLib.sol
pragma solidity ^0.8.4;
library SafeTransferLib {
error ETHTransferFailed();
error TransferFromFailed();
error TransferFailed();
error ApproveFailed();
error Permit2Failed();
error Permit2AmountOverflow();
uint256 internal constant GAS_STIPEND_NO_STORAGE_WRITES = 2300;
uint256 internal constant GAS_STIPEND_NO_GRIEF = 100000;
bytes32 internal constant DAI_DOMAIN_SEPARATOR =
0xdbb8cf42e1ecb028be3f3dbc922e1d878b963f411dc388ced501601c60f7c6f7;
address internal constant WETH9 = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address internal constant PERMIT2 = 0x000000000022D473030F116dDEE9F6B43aC78BA3;
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 trySafeTransferFrom(address token, address from, address to, uint256 amount)
internal
returns (bool success)
{
assembly {
let m := mload(0x40)
mstore(0x60, amount)
mstore(0x40, to)
mstore(0x2c, shl(96, from))
mstore(0x0c, 0x23b872dd000000000000000000000000)
success :=
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
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)
)
)
}
}
function safeTransferFrom2(address token, address from, address to, uint256 amount) internal {
if (!trySafeTransferFrom(token, from, to, amount)) {
permit2TransferFrom(token, from, to, amount);
}
}
function permit2TransferFrom(address token, address from, address to, uint256 amount)
internal
{
assembly {
let m := mload(0x40)
mstore(add(m, 0x74), shr(96, shl(96, token)))
mstore(add(m, 0x54), amount)
mstore(add(m, 0x34), to)
mstore(add(m, 0x20), shl(96, from))
mstore(m, 0x36c78516000000000000000000000000)
let p := mul(PERMIT2, iszero(shr(160, amount)))
if iszero(mul(call(gas(), p, 0, add(m, 0x10), 0x84, codesize(), 0x00), extcodesize(p)))
{
mstore(0x00, 0x7939f4248757f0fd)
revert(add(0x18, shl(2, iszero(p))), 0x04)
}
}
}
function permit2(
address token,
address owner,
address spender,
uint256 amount,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
bool success;
assembly {
for {} shl(96, xor(token, WETH9)) {} {
mstore(0x00, 0x3644e515)
if iszero(
and(
lt(iszero(mload(0x00)), eq(returndatasize(), 0x20)),
staticcall(5000, token, 0x1c, 0x04, 0x00, 0x20)
)
) { break }
let m := mload(0x40)
mstore(add(m, 0x34), spender)
mstore(add(m, 0x20), shl(96, owner))
mstore(add(m, 0x74), deadline)
if eq(mload(0x00), DAI_DOMAIN_SEPARATOR) {
mstore(0x14, owner)
mstore(0x00, 0x7ecebe00000000000000000000000000)
mstore(add(m, 0x94), staticcall(gas(), token, 0x10, 0x24, add(m, 0x54), 0x20))
mstore(m, 0x8fcbaf0c000000000000000000000000)
mstore(add(m, 0xb4), and(0xff, v))
mstore(add(m, 0xd4), r)
mstore(add(m, 0xf4), s)
success := call(gas(), token, 0, add(m, 0x10), 0x104, codesize(), 0x00)
break
}
mstore(m, 0xd505accf000000000000000000000000)
mstore(add(m, 0x54), amount)
mstore(add(m, 0x94), and(0xff, v))
mstore(add(m, 0xb4), r)
mstore(add(m, 0xd4), s)
success := call(gas(), token, 0, add(m, 0x10), 0xe4, codesize(), 0x00)
break
}
}
if (!success) simplePermit2(token, owner, spender, amount, deadline, v, r, s);
}
function simplePermit2(
address token,
address owner,
address spender,
uint256 amount,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
assembly {
let m := mload(0x40)
mstore(m, 0x927da105)
{
let addressMask := shr(96, not(0))
mstore(add(m, 0x20), and(addressMask, owner))
mstore(add(m, 0x40), and(addressMask, token))
mstore(add(m, 0x60), and(addressMask, spender))
mstore(add(m, 0xc0), and(addressMask, spender))
}
let p := mul(PERMIT2, iszero(shr(160, amount)))
if iszero(
and(
gt(returndatasize(), 0x5f),
staticcall(gas(), p, add(m, 0x1c), 0x64, add(m, 0x60), 0x60)
)
) {
mstore(0x00, 0x6b836e6b8757f0fd)
revert(add(0x18, shl(2, iszero(p))), 0x04)
}
mstore(m, 0x2b67b570)
mstore(add(m, 0x60), amount)
mstore(add(m, 0x80), 0xffffffffffff)
mstore(add(m, 0xe0), deadline)
mstore(add(m, 0x100), 0x100)
mstore(add(m, 0x120), 0x41)
mstore(add(m, 0x140), r)
mstore(add(m, 0x160), s)
mstore(add(m, 0x180), shl(248, v))
if iszero(call(gas(), p, 0, add(m, 0x1c), 0x184, codesize(), 0x00)) {
mstore(0x00, 0x6b836e6b)
revert(0x1c, 0x04)
}
}
}
}
文件 38 的 38：SetterOmni404.sol
pragma solidity ^0.8.4;
import "./DN404/DN404.sol";
import {LibString} from "solady/src/utils/LibString.sol";
import {SafeTransferLib} from "solady/src/utils/SafeTransferLib.sol";
import { OFTCore } from "@layerzerolabs/lz-evm-oapp-v2/contracts/oft/OFTCore.sol";
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
contract SetterOmni404 is DN404, OFTCore {
string private _name;
string private _symbol;
string private _baseURI;
uint256 private _customUnit;
address private _minter;
mapping(uint256 => bool) private _protectedNFTs;
event MinterUpdated(address indexed previousMinter, address indexed newMinter);
event ProtectedNFTSet(uint256 indexed id, bool isProtected);
error MinterUnauthorizedAccount();
error ProtectedNFTCallerNotOwnerNorApproved();
error NFTProtected(uint256 id);
constructor(
address lzEndpoint,
address delegate
) OFTCore(decimals(), lzEndpoint, delegate) Ownable(delegate) {}
function initialize(
string memory name_,
string memory symbol_,
string memory uri,
address minter_,
uint256 customUnit,
uint256 initialTokenSupply,
address initialSupplyOwner,
address mirror
) public onlyOwner {
_name = name_;
_symbol = symbol_;
_baseURI = uri;
_minter = minter_;
_customUnit = customUnit;
_initializeDN404(initialTokenSupply, initialSupplyOwner, mirror);
}
function name() public view override returns (string memory) {
return _name;
}
function symbol() public view override returns (string memory) {
return _symbol;
}
function _tokenURI(uint256 id) internal view override returns (string memory result) {
if (bytes(_baseURI).length != 0) {
result = string(abi.encodePacked(_baseURI, LibString.toString(id)));
}
}
function _unit() internal view override returns (uint256) {
return _customUnit;
}
function nextTokenId() public view returns (uint32) {
return _getDN404Storage().nextTokenId;
}
function ownedIds(address account, uint256 begin, uint256 end) public view returns (uint256[] memory) {
return _ownedIds(account, begin, end);
}
function getAux(address owner) public view returns (uint88) {
return _getAux(owner);
}
function burn(uint256 value) public virtual {
_burn(msg.sender, value);
}
function setProtectedNFT(uint256 id, bool isProtected) public {
address owner = _ownerOf(id);
if (msg.sender != owner) {
if (!_isApprovedForAll(owner, msg.sender)) {
revert ProtectedNFTCallerNotOwnerNorApproved();
}
}
if (isProtected) {
_protectedNFTs[id] = true;
} else {
delete _protectedNFTs[id];
}
emit ProtectedNFTSet(id, isProtected);
}
function getProtectedNFT(uint256 id) public view returns (bool) {
return _protectedNFTs[id];
}
function _afterNFTTransfer(address from, address to, uint256 id) internal virtual override {
if (_protectedNFTs[id]) {
revert NFTProtected(id);
}
super._afterNFTTransfer(from, to, id);
}
function setBaseURI(string calldata uri) public onlyOwner {
_baseURI = uri;
}
function setNameAndSymbol(string calldata name_, string calldata symbol_) public onlyOwner {
_name = name_;
_symbol = symbol_;
}
function setAux(address owner, uint88 value) public onlyOwner {
_setAux(owner, value);
}
function withdraw() public onlyOwner {
SafeTransferLib.safeTransferAllETH(msg.sender);
}
function minter() public view virtual returns (address) {
return _minter;
}
function mint(address to, uint256 amount) public onlyMinter {
_mint(to, amount);
}
function mintNext(address to, uint256 amount) public onlyMinter {
_mintNext(to, amount);
}
function setMinter(address newMinter) public virtual onlyOwner {
address oldMinter = _minter;
_minter = newMinter;
emit MinterUpdated(oldMinter, newMinter);
}
modifier onlyMinter() {
_checkMinter();
_;
}
function _checkMinter() internal view virtual {
if (_minter != msg.sender) {
revert MinterUnauthorizedAccount();
}
}
function token() external view returns (address) {
return address(this);
}
function approvalRequired() external pure virtual returns (bool) {
return false;
}
function _debit(
address from,
uint256 amountLD,
uint256 minAmountLD,
uint32 dstEid
) internal virtual override returns (uint256 amountSentLD, uint256 amountReceivedLD) {
(amountSentLD, amountReceivedLD) = _debitView(amountLD, minAmountLD, dstEid);
_burn(from, amountSentLD);
}
function _credit(
address to,
uint256 amountLD,
uint32
) internal virtual override returns (uint256 amountReceivedLD) {
_mint(to, amountLD);
return amountLD;
}
}
{
"compilationTarget": {
"src/SetterOmni404.sol": "SetterOmni404"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
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