编译器
0.8.24+commit.e11b9ed9
文件 1 的 8：C4sh404.sol
pragma solidity ^0.8.4;
import "@openzeppelin/contracts/utils/Strings.sol";
import "./Ownable.sol";
import "./DN404.sol";
import "./DN404Mirror.sol";
import "./SafeTransferLib.sol";
contract C4sh404 is DN404, Ownable {
mapping(uint8 => string) public baseTokenURI;
mapping(uint8 => string) public imageTokenURI;
mapping(address => bool) public stakingAddresses;
uint256[] private rarityThresholds;
uint256 private nftCountPerTier;
constructor() Ownable(msg.sender) {
_setSkipNFT(msg.sender, true);
_setSkipNFT(address(0xC36442b4a4522E871399CD717aBDD847Ab11FE88), true);
_setSkipNFT(address(0x1F98431c8aD98523631AE4a59f267346ea31F984), true);
_setSkipNFT(address(0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f), true);
_setSkipNFT(address(0xEa07DdBBeA804E7fe66b958329F8Fa5cDA95Bd55), true);
_setSkipNFT(address(0x7CC7e125d83A581ff438608490Cc0f7bDff79127), true);
baseTokenURI[
1
] = "ipfs://bafybeifwe5llyuz7ibnwowcgnmlpwhkmtthg4ksvyb5c6tif4zl4rpshiq/";
baseTokenURI[
2
] = "ipfs://bafybeienjbgy6yhx4v5ljhlju4fayubgpeow66brrf3wevympfkf3zy3em/";
baseTokenURI[
3
] = "ipfs://bafybeib3whb6jj5r4gm34y2xpdewu3j6udzd4xukdi3v26payogqnnouqu/";
baseTokenURI[
4
] = "ipfs://bafybeifi7d5ca4ib4updkd7lei2dztofdmdmft3qhhq4uolafqqhbpaoyu/";
baseTokenURI[
5
] = "ipfs://bafybeibpx7wngzgt3gtlvyjijpk3b5eegk3x3jq5o6ykn4avitw6abslli/";
imageTokenURI[
1
] = "ipfs://bafybeict7mrafrcr5a6322jsixxwqd3b6oyzsgkhoruyncm2kqoj2lmrrm/";
imageTokenURI[
2
] = "ipfs://bafybeiap3bzcb3l244bf4llfamhykhycnsnymxw2owuut2jo46vgmncmdy/";
imageTokenURI[
3
] = "ipfs://bafybeic2y4q4infxcyqrbsq27dzbqmbaxavxxiastxkqyhrfzrhce7h7dq/";
imageTokenURI[
4
] = "ipfs://bafybeigvtjzh74gs2ygpceuwv2m33q7o4d5kakvtc3bylpkxte5c5rqdku/";
imageTokenURI[
5
] = "ipfs://bafybeidskwceyif4ieasbibzgpgmrk7j3vhgho652cjpfgfubepsbshbqe/";
rarityThresholds = [5500, 3000, 1000, 460, 40];
nftCountPerTier = 187;
address mirror = address(new DN404Mirror(msg.sender));
_initializeDN404(1000 * _WAD, msg.sender, mirror);
_setTradingEnabled(false);
_setTaxSettings(
address(0xc7570dd89c04B2213D9044302CdB303FC2Dc0786),
(1000 * _WAD * 50) / 10000
);
_setTaxRates(50, 50);
_setLimits(true, (1000 * _WAD) / 100);
}
function name() public pure override returns (string memory) {
return "C4SH404";
}
function symbol() public pure override returns (string memory) {
return "C404";
}
function tokenURI(
uint256 tokenId
) public view override returns (string memory result) {
(uint8 tier, uint256 number) = getNFTInfo(tokenId);
return
string.concat(
baseTokenURI[tier],
Strings.toString(number),
".json"
);
}
function setApprovalStakingAddress(
address stakingAddress,
bool approved
) external {
_setApprovalForAll(stakingAddress, approved, msg.sender);
}
function getNFTInfo(uint256 id) public view returns (uint8, uint256) {
uint256 seed = uint256(keccak256(abi.encodePacked(id)));
uint256 rand = seed % 10000;
uint256 cumulative = 0;
for (uint8 i = 0; i < rarityThresholds.length; i++) {
cumulative += rarityThresholds[i];
if (rand < cumulative) {
return (i + 1, seed % nftCountPerTier);
}
}
return (uint8(rarityThresholds.length), seed % nftCountPerTier);
}
function mint(address to, uint256 amount) public {
require(stakingAddresses[msg.sender], "Not staking address");
_mint(to, amount);
}
function setTokenURI(uint8 tier, string memory _tokenURI) public onlyOwner {
baseTokenURI[tier] = _tokenURI;
}
function setImageURI(uint8 tier, string memory _imageURI) public onlyOwner {
imageTokenURI[tier] = _imageURI;
}
function setNftCountPerTier(uint256 _nftCountPerTier) public onlyOwner {
nftCountPerTier = _nftCountPerTier;
}
function enableTrading(bool _isTradingEnabled) public onlyOwner {
_setTradingEnabled(_isTradingEnabled);
}
function setLimits(bool _isLimited, uint256 _maxMint) public onlyOwner {
_setLimits(_isLimited, _maxMint);
}
function setSkipNFT(address nft, bool skip) public onlyOwner {
_setSkipNFT(nft, skip);
}
function setStakingAddress(
address _stakingAddress,
bool temp
) public onlyOwner {
stakingAddresses[_stakingAddress] = temp;
_setSkipNFT(_stakingAddress, temp);
}
function setTaxSettings(
address receiver,
uint256 swapThreeshold
) public onlyOwner {
_setTaxSettings(receiver, swapThreeshold);
}
function setTaxPair(address pair) public onlyOwner {
_setTaxPair(pair);
_setSkipNFT(pair, true);
}
function setTaxRates(uint256 buy, uint256 sell) public onlyOwner {
_setTaxRates(buy, sell);
}
function setExcludedFromFee(
address account,
bool excluded
) public onlyOwner {
_setExcludedFromFee(account, excluded);
}
function setSwapEnabled(bool enabled) public onlyOwner {
_setSwapEnabled(enabled);
}
function withdraw() public onlyOwner {
SafeTransferLib.safeTransferAllETH(msg.sender);
}
}
文件 2 的 8：DN404.sol
pragma solidity ^0.8.4;
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
)
external
payable
returns (uint amountToken, uint amountETH, uint liquidity);
}
abstract contract DN404 {
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(
address indexed owner,
address indexed spender,
uint256 amount
);
event SkipNFTSet(address indexed target, bool status);
error DNAlreadyInitialized();
error InsufficientBalance();
error MaxBalanceExceeded();
error TradingNotActive();
error InsufficientAllowance();
error TotalSupplyOverflow();
error SenderNotMirror();
error TransferToZeroAddress();
error MirrorAddressIsZero();
error LinkMirrorContractFailed();
error ApprovalCallerNotOwnerNorApproved();
error TransferCallerNotOwnerNorApproved();
error TransferFromIncorrectOwner();
error TokenDoesNotExist();
IUniswapV2Router02 internal constant UNISWAP_V2_ROUTER =
IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uint256 internal constant _WAD = 10 ** 18;
uint256 internal constant _MAX_TOKEN_ID = 0xffffffff;
uint256 internal constant _MAX_SUPPLY = 10 ** 18 * 0xffffffff - 1;
uint8 internal constant _ADDRESS_DATA_INITIALIZED_FLAG = 1 << 0;
uint8 internal constant _ADDRESS_DATA_SKIP_NFT_FLAG = 1 << 1;
uint8 internal constant _ADDRESS_DATA_EXCLUDED_FROM_FEE_FLAG = 1 << 2;
struct AddressData {
uint88 aux;
uint8 flags;
uint32 addressAlias;
uint32 ownedLength;
uint96 balance;
}
struct Uint32Map {
mapping(uint256 => uint256) map;
}
struct DN404Storage {
bool limits;
bool tradingEnabled;
uint256 maxTokensAmountPerWallet;
address owner;
address taxReceiver;
uint256 taxBuy;
uint256 taxSell;
uint256 taxSwapThreeshold;
address pair;
bool inSwap;
bool swapEnabled;
uint32 numAliases;
uint32 nextTokenId;
uint32 totalNFTSupply;
uint96 totalSupply;
address mirrorERC721;
mapping(uint32 => address) aliasToAddress;
mapping(address => mapping(address => bool)) operatorApprovals;
mapping(uint256 => address) tokenApprovals;
mapping(address => mapping(address => uint256)) allowance;
mapping(address => Uint32Map) owned;
Uint32Map oo;
mapping(address => AddressData) addressData;
}
function _getDN404Storage()
internal
pure
virtual
returns (DN404Storage storage $)
{
assembly {
$.slot := 0xa20d6e21d0e5255308
}
}
function _initializeDN404(
uint256 initialTokenSupply,
address initialSupplyOwner,
address mirror
) internal virtual {
DN404Storage storage $ = _getDN404Storage();
if ($.nextTokenId != 0) revert DNAlreadyInitialized();
if (mirror == address(0)) revert MirrorAddressIsZero();
_linkMirrorContract(mirror);
$.tradingEnabled = true;
$.limits = false;
$.maxTokensAmountPerWallet = 0;
$.owner = initialSupplyOwner;
$.taxReceiver = address(0);
$.taxBuy = 0;
$.taxSell = 0;
$.taxSwapThreeshold = 0;
$.pair = address(0);
$.inSwap = false;
$.swapEnabled = false;
$.nextTokenId = 1;
$.mirrorERC721 = mirror;
if (initialTokenSupply > 0) {
if (initialSupplyOwner == address(0))
revert TransferToZeroAddress();
if (initialTokenSupply > _MAX_SUPPLY) revert TotalSupplyOverflow();
$.totalSupply = uint96(initialTokenSupply);
AddressData storage initialOwnerAddressData = _addressData(
initialSupplyOwner
);
initialOwnerAddressData.balance = uint96(initialTokenSupply);
emit Transfer(address(0), initialSupplyOwner, initialTokenSupply);
_setSkipNFT(initialSupplyOwner, true);
}
}
function name() public view virtual returns (string memory);
function symbol() public view virtual returns (string memory);
function tokenURI(uint256 id) public view virtual returns (string memory);
function decimals() public pure returns (uint8) {
return 18;
}
function totalSupply() public view virtual returns (uint256) {
return uint256(_getDN404Storage().totalSupply);
}
function balanceOf(address owner) public view virtual returns (uint256) {
return _getDN404Storage().addressData[owner].balance;
}
function allowance(
address owner,
address spender
) public view returns (uint256) {
return _getDN404Storage().allowance[owner][spender];
}
function approve(
address spender,
uint256 amount
) public virtual returns (bool) {
DN404Storage storage $ = _getDN404Storage();
$.allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(
address to,
uint256 amount
) public virtual returns (bool) {
_transfer(msg.sender, to, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
DN404Storage storage $ = _getDN404Storage();
uint256 allowed = $.allowance[from][msg.sender];
if (allowed != type(uint256).max) {
if (amount > allowed) revert InsufficientAllowance();
unchecked {
$.allowance[from][msg.sender] = allowed - amount;
}
}
_transfer(from, to, amount);
return true;
}
function _mint(address to, uint256 amount) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
DN404Storage storage $ = _getDN404Storage();
AddressData storage toAddressData = _addressData(to);
unchecked {
uint256 currentTokenSupply = uint256($.totalSupply) + amount;
if (amount > _MAX_SUPPLY || currentTokenSupply > _MAX_SUPPLY) {
revert TotalSupplyOverflow();
}
$.totalSupply = uint96(currentTokenSupply);
uint256 toBalance = toAddressData.balance + amount;
toAddressData.balance = uint96(toBalance);
if (toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG == 0) {
Uint32Map storage toOwned = $.owned[to];
uint256 toIndex = toAddressData.ownedLength;
uint256 toEnd = toBalance / _WAD;
_PackedLogs memory packedLogs = _packedLogsMalloc(
_zeroFloorSub(toEnd, toIndex)
);
if (packedLogs.logs.length != 0) {
uint256 maxNFTId = $.totalSupply / _WAD;
uint32 toAlias = _registerAndResolveAlias(
toAddressData,
to
);
uint256 id = $.nextTokenId;
$.totalNFTSupply += uint32(packedLogs.logs.length);
toAddressData.ownedLength = uint32(toEnd);
do {
while (_get($.oo, _ownershipIndex(id)) != 0) {
if (++id > maxNFTId) id = 1;
}
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex(
$.oo,
id,
toAlias,
uint32(toIndex++)
);
_packedLogsAppend(packedLogs, to, id, 0);
if (++id > maxNFTId) id = 1;
} while (toIndex != toEnd);
$.nextTokenId = uint32(id);
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
DN404Storage storage $ = _getDN404Storage();
AddressData storage fromAddressData = _addressData(from);
uint256 fromBalance = fromAddressData.balance;
if (amount > fromBalance) revert InsufficientBalance();
uint256 currentTokenSupply = $.totalSupply;
unchecked {
fromBalance -= amount;
fromAddressData.balance = uint96(fromBalance);
currentTokenSupply -= amount;
$.totalSupply = uint96(currentTokenSupply);
Uint32Map storage fromOwned = $.owned[from];
uint256 fromIndex = fromAddressData.ownedLength;
uint256 nftAmountToBurn = _zeroFloorSub(
fromIndex,
fromBalance / _WAD
);
if (nftAmountToBurn != 0) {
$.totalNFTSupply -= uint32(nftAmountToBurn);
_PackedLogs memory packedLogs = _packedLogsMalloc(
nftAmountToBurn
);
uint256 fromEnd = fromIndex - nftAmountToBurn;
do {
uint256 id = _get(fromOwned, --fromIndex);
_setOwnerAliasAndOwnedIndex($.oo, id, 0, 0);
delete $.tokenApprovals[id];
_packedLogsAppend(packedLogs, from, id, 1);
} while (fromIndex != fromEnd);
fromAddressData.ownedLength = uint32(fromIndex);
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
emit Transfer(from, address(0), amount);
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
if (to == address(0)) revert TransferToZeroAddress();
DN404Storage storage $ = _getDN404Storage();
AddressData storage fromAddressData = _addressData(from);
AddressData storage toAddressData = _addressData(to);
_TransferTemps memory t;
t.fromOwnedLength = fromAddressData.ownedLength;
t.toOwnedLength = toAddressData.ownedLength;
t.fromBalance = fromAddressData.balance;
if (amount > t.fromBalance) revert InsufficientBalance();
if (!$.tradingEnabled && from != $.owner && to != $.owner)
revert TradingNotActive();
unchecked {
t.fromBalance -= amount;
}
uint256 taxAmount = 0;
if (
$.tradingEnabled &&
$.taxBuy > 0 &&
from == $.pair &&
to != address(UNISWAP_V2_ROUTER) &&
toAddressData.flags & _ADDRESS_DATA_EXCLUDED_FROM_FEE_FLAG == 0
) {
taxAmount = (amount * $.taxBuy) / 100;
}
if (
$.tradingEnabled &&
$.taxSell > 0 &&
to == $.pair &&
from != address(this)
) {
taxAmount = (amount * $.taxSell) / 100;
}
if (taxAmount > 0) {
AddressData storage contractData = _addressData(address(this));
contractData.balance = uint96(contractData.balance + taxAmount);
amount -= taxAmount;
uint256 contractTokenBalance = balanceOf(address(this));
if (
!$.inSwap &&
to == $.pair &&
$.swapEnabled &&
contractTokenBalance > $.taxSwapThreeshold
) {
if (amount >= $.taxSwapThreeshold) {
swapTokensForEth($.taxSwapThreeshold);
} else {
swapTokensForEth(amount);
}
}
}
unchecked {
fromAddressData.balance = uint96(t.fromBalance);
toAddressData.balance = uint96(
t.toBalance = toAddressData.balance + amount
);
if ($.limits) {
if (toAddressData.balance / _WAD > $.maxTokensAmountPerWallet) {
revert MaxBalanceExceeded();
}
}
t.nftAmountToBurn = _zeroFloorSub(
t.fromOwnedLength,
t.fromBalance / _WAD
);
if (toAddressData.flags & _ADDRESS_DATA_SKIP_NFT_FLAG == 0) {
if (from == to)
t.toOwnedLength = t.fromOwnedLength - t.nftAmountToBurn;
t.nftAmountToMint = _zeroFloorSub(
t.toBalance / _WAD,
t.toOwnedLength
);
}
_PackedLogs memory packedLogs = _packedLogsMalloc(
t.nftAmountToBurn + t.nftAmountToMint
);
if (t.nftAmountToBurn != 0) {
Uint32Map storage fromOwned = $.owned[from];
uint256 fromIndex = t.fromOwnedLength;
uint256 fromEnd = fromIndex - t.nftAmountToBurn;
$.totalNFTSupply -= uint32(t.nftAmountToBurn);
fromAddressData.ownedLength = uint32(fromEnd);
do {
uint256 id = _get(fromOwned, --fromIndex);
_setOwnerAliasAndOwnedIndex($.oo, id, 0, 0);
delete $.tokenApprovals[id];
_packedLogsAppend(packedLogs, from, id, 1);
} while (fromIndex != fromEnd);
}
if (t.nftAmountToMint != 0) {
Uint32Map storage toOwned = $.owned[to];
uint256 toIndex = t.toOwnedLength;
uint256 toEnd = toIndex + t.nftAmountToMint;
uint32 toAlias = _registerAndResolveAlias(toAddressData, to);
uint256 maxNFTId = $.totalSupply / _WAD;
uint256 id = $.nextTokenId;
$.totalNFTSupply += uint32(t.nftAmountToMint);
toAddressData.ownedLength = uint32(toEnd);
do {
while (_get($.oo, _ownershipIndex(id)) != 0) {
if (++id > maxNFTId) id = 1;
}
_set(toOwned, toIndex, uint32(id));
_setOwnerAliasAndOwnedIndex(
$.oo,
id,
toAlias,
uint32(toIndex++)
);
_packedLogsAppend(packedLogs, to, id, 0);
if (++id > maxNFTId) id = 1;
} while (toIndex != toEnd);
$.nextTokenId = uint32(id);
}
if (packedLogs.logs.length != 0) {
_packedLogsSend(packedLogs, $.mirrorERC721);
}
}
emit Transfer(from, to, amount);
}
function _transferFromNFT(
address from,
address to,
uint256 id,
address msgSender
) internal virtual {
DN404Storage storage $ = _getDN404Storage();
if (to == address(0)) revert TransferToZeroAddress();
address owner = $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
if (from != owner) revert TransferFromIncorrectOwner();
if (msgSender != from) {
if (!$.operatorApprovals[from][msgSender]) {
if (msgSender != $.tokenApprovals[id]) {
revert TransferCallerNotOwnerNorApproved();
}
}
}
AddressData storage fromAddressData = _addressData(from);
AddressData storage toAddressData = _addressData(to);
fromAddressData.balance -= uint96(_WAD);
unchecked {
toAddressData.balance += uint96(_WAD);
_set(
$.oo,
_ownershipIndex(id),
_registerAndResolveAlias(toAddressData, to)
);
delete $.tokenApprovals[id];
uint256 updatedId = _get(
$.owned[from],
--fromAddressData.ownedLength
);
_set($.owned[from], _get($.oo, _ownedIndex(id)), uint32(updatedId));
uint256 n = toAddressData.ownedLength++;
_set($.oo, _ownedIndex(updatedId), _get($.oo, _ownedIndex(id)));
_set($.owned[to], n, uint32(id));
_set($.oo, _ownedIndex(id), uint32(n));
}
emit Transfer(from, to, _WAD);
}
function _setTradingEnabled(bool enabled) internal {
DN404Storage storage $ = _getDN404Storage();
$.tradingEnabled = enabled;
}
function _setLimits(
bool enabled,
uint256 maxTokensAmountPerWallet
) internal {
DN404Storage storage $ = _getDN404Storage();
$.limits = enabled;
$.maxTokensAmountPerWallet = maxTokensAmountPerWallet;
}
function _setTaxSettings(
address receiver,
uint256 swapThreeshold
) internal {
DN404Storage storage $ = _getDN404Storage();
$.taxReceiver = receiver;
$.taxSwapThreeshold = swapThreeshold;
}
function _setSwapEnabled(bool enabled) internal {
DN404Storage storage $ = _getDN404Storage();
$.swapEnabled = enabled;
}
function _setTaxPair(address pair) internal {
DN404Storage storage $ = _getDN404Storage();
$.pair = pair;
}
function _setTaxRates(uint256 buy, uint256 sell) internal {
DN404Storage storage $ = _getDN404Storage();
$.taxBuy = buy;
$.taxSell = sell;
}
modifier lockTheSwap() {
DN404Storage storage $ = _getDN404Storage();
$.inSwap = true;
_;
$.inSwap = false;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
DN404Storage storage $ = _getDN404Storage();
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = UNISWAP_V2_ROUTER.WETH();
$.allowance[address(this)][address(UNISWAP_V2_ROUTER)] = tokenAmount;
UNISWAP_V2_ROUTER.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address($.taxReceiver),
block.timestamp
);
}
function getExcludedFromFee(address a) public view virtual returns (bool) {
AddressData storage d = _getDN404Storage().addressData[a];
if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) return _hasCode(a);
return d.flags & _ADDRESS_DATA_EXCLUDED_FROM_FEE_FLAG != 0;
}
function _setExcludedFromFee(address a, bool state) internal virtual {
AddressData storage d = _addressData(a);
if ((d.flags & _ADDRESS_DATA_EXCLUDED_FROM_FEE_FLAG != 0) != state) {
d.flags ^= _ADDRESS_DATA_EXCLUDED_FROM_FEE_FLAG;
}
}
function _getAux(address owner) internal view virtual returns (uint88) {
return _getDN404Storage().addressData[owner].aux;
}
function _setAux(address owner, uint88 value) internal virtual {
_getDN404Storage().addressData[owner].aux = value;
}
function getSkipNFT(address a) public view virtual returns (bool) {
AddressData storage d = _getDN404Storage().addressData[a];
if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) return _hasCode(a);
return d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0;
}
function _setSkipNFT(address a, bool state) internal virtual {
AddressData storage d = _addressData(a);
if ((d.flags & _ADDRESS_DATA_SKIP_NFT_FLAG != 0) != state) {
d.flags ^= _ADDRESS_DATA_SKIP_NFT_FLAG;
}
emit SkipNFTSet(a, state);
}
function _addressData(
address a
) internal virtual returns (AddressData storage d) {
DN404Storage storage $ = _getDN404Storage();
d = $.addressData[a];
if (d.flags & _ADDRESS_DATA_INITIALIZED_FLAG == 0) {
uint8 flags = _ADDRESS_DATA_INITIALIZED_FLAG;
if (_hasCode(a)) flags |= _ADDRESS_DATA_SKIP_NFT_FLAG;
d.flags = flags;
}
}
function _registerAndResolveAlias(
AddressData storage toAddressData,
address to
) internal virtual returns (uint32 addressAlias) {
DN404Storage storage $ = _getDN404Storage();
addressAlias = toAddressData.addressAlias;
if (addressAlias == 0) {
addressAlias = ++$.numAliases;
toAddressData.addressAlias = addressAlias;
$.aliasToAddress[addressAlias] = to;
}
}
function mirrorERC721() public view virtual returns (address) {
return _getDN404Storage().mirrorERC721;
}
function _totalNFTSupply() internal view virtual returns (uint256) {
return _getDN404Storage().totalNFTSupply;
}
function _balanceOfNFT(
address owner
) internal view virtual returns (uint256) {
return _getDN404Storage().addressData[owner].ownedLength;
}
function _ownerAt(uint256 id) internal view virtual returns (address) {
DN404Storage storage $ = _getDN404Storage();
return $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
}
function _ownerOf(uint256 id) internal view virtual returns (address) {
if (!_exists(id)) revert TokenDoesNotExist();
return _ownerAt(id);
}
function _exists(uint256 id) internal view virtual returns (bool) {
return _ownerAt(id) != address(0);
}
function _getApproved(uint256 id) internal view virtual returns (address) {
if (!_exists(id)) revert TokenDoesNotExist();
return _getDN404Storage().tokenApprovals[id];
}
function _approveNFT(
address spender,
uint256 id,
address msgSender
) internal virtual returns (address) {
DN404Storage storage $ = _getDN404Storage();
address owner = $.aliasToAddress[_get($.oo, _ownershipIndex(id))];
if (msgSender != owner) {
if (!$.operatorApprovals[owner][msgSender]) {
revert ApprovalCallerNotOwnerNorApproved();
}
}
$.tokenApprovals[id] = spender;
return owner;
}
function _setApprovalForAll(
address operator,
bool approved,
address msgSender
) internal virtual {
_getDN404Storage().operatorApprovals[msgSender][operator] = approved;
}
function _linkMirrorContract(address mirror) internal virtual {
assembly {
mstore(0x00, 0x0f4599e5)
mstore(0x20, caller())
if iszero(
and(
eq(mload(0x00), 1),
call(gas(), mirror, 0, 0x1c, 0x24, 0x00, 0x20)
)
) {
mstore(0x00, 0xd125259c)
revert(0x1c, 0x04)
}
}
}
modifier dn404Fallback() virtual {
DN404Storage storage $ = _getDN404Storage();
uint256 fnSelector = _calldataload(0x00) >> 224;
if (fnSelector == 0xe985e9c5) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x44) revert();
address owner = address(uint160(_calldataload(0x04)));
address operator = address(uint160(_calldataload(0x24)));
_return($.operatorApprovals[owner][operator] ? 1 : 0);
}
if (fnSelector == 0x6352211e) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x24) revert();
uint256 id = _calldataload(0x04);
_return(uint160(_ownerOf(id)));
}
if (fnSelector == 0xe5eb36c8) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x84) revert();
address from = address(uint160(_calldataload(0x04)));
address to = address(uint160(_calldataload(0x24)));
uint256 id = _calldataload(0x44);
address msgSender = address(uint160(_calldataload(0x64)));
_transferFromNFT(from, to, id, msgSender);
_return(1);
}
if (fnSelector == 0x813500fc) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x64) revert();
address spender = address(uint160(_calldataload(0x04)));
bool status = _calldataload(0x24) != 0;
address msgSender = address(uint160(_calldataload(0x44)));
_setApprovalForAll(spender, status, msgSender);
_return(1);
}
if (fnSelector == 0xd10b6e0c) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x64) revert();
address spender = address(uint160(_calldataload(0x04)));
uint256 id = _calldataload(0x24);
address msgSender = address(uint160(_calldataload(0x44)));
_return(uint160(_approveNFT(spender, id, msgSender)));
}
if (fnSelector == 0x081812fc) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x24) revert();
uint256 id = _calldataload(0x04);
_return(uint160(_getApproved(id)));
}
if (fnSelector == 0xf5b100ea) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x24) revert();
address owner = address(uint160(_calldataload(0x04)));
_return(_balanceOfNFT(owner));
}
if (fnSelector == 0xe2c79281) {
if (msg.sender != $.mirrorERC721) revert SenderNotMirror();
if (msg.data.length < 0x04) revert();
_return(_totalNFTSupply());
}
if (fnSelector == 0xb7a94eb8) {
_return(1);
}
_;
}
fallback() external payable virtual dn404Fallback {}
receive() external payable virtual {}
struct _PackedLogs {
uint256[] logs;
uint256 offset;
}
function _packedLogsMalloc(
uint256 n
) private pure returns (_PackedLogs memory p) {
assembly {
let logs := add(mload(0x40), 0x40)
mstore(logs, n)
let offset := add(0x20, logs)
mstore(0x40, add(offset, shl(5, n)))
mstore(p, logs)
mstore(add(0x20, p), offset)
}
}
function _packedLogsAppend(
_PackedLogs memory p,
address a,
uint256 id,
uint256 burnBit
) private pure {
assembly {
let offset := mload(add(0x20, p))
mstore(offset, or(or(shl(96, a), shl(8, id)), burnBit))
mstore(add(0x20, p), add(offset, 0x20))
}
}
function _packedLogsSend(_PackedLogs memory p, address mirror) private {
assembly {
let logs := mload(p)
let o := sub(logs, 0x40)
mstore(o, 0x263c69d6)
mstore(add(o, 0x20), 0x20)
let n := add(0x44, shl(5, mload(logs)))
if iszero(
and(
eq(mload(o), 1),
call(gas(), mirror, 0, add(o, 0x1c), n, o, 0x20)
)
) {
revert(o, 0x00)
}
}
}
struct _TransferTemps {
uint256 nftAmountToBurn;
uint256 nftAmountToMint;
uint256 fromBalance;
uint256 toBalance;
uint256 fromOwnedLength;
uint256 toOwnedLength;
}
function _hasCode(address a) private view returns (bool result) {
assembly {
result := extcodesize(a)
}
}
function _calldataload(
uint256 offset
) private pure returns (uint256 value) {
assembly {
value := calldataload(offset)
}
}
function _return(uint256 x) private pure {
assembly {
mstore(0x00, x)
return(0x00, 0x20)
}
}
function _zeroFloorSub(
uint256 x,
uint256 y
) private pure returns (uint256 z) {
assembly {
z := mul(gt(x, y), sub(x, y))
}
}
function _ownershipIndex(uint256 i) private pure returns (uint256) {
return i << 1;
}
function _ownedIndex(uint256 i) private pure returns (uint256) {
unchecked {
return (i << 1) + 1;
}
}
function _get(
Uint32Map storage map,
uint256 index
) private view returns (uint32 result) {
result = uint32(map.map[index >> 3] >> ((index & 7) << 5));
}
function _set(Uint32Map storage map, uint256 index, uint32 value) private {
assembly {
mstore(0x20, map.slot)
mstore(0x00, shr(3, index))
let s := keccak256(0x00, 0x40)
let o := shl(5, and(index, 7))
let v := sload(s)
let m := 0xffffffff
sstore(s, xor(v, shl(o, and(m, xor(shr(o, v), value)))))
}
}
function _setOwnerAliasAndOwnedIndex(
Uint32Map storage map,
uint256 id,
uint32 ownership,
uint32 ownedIndex
) private {
assembly {
let value := or(shl(32, ownedIndex), and(0xffffffff, ownership))
mstore(0x20, map.slot)
mstore(0x00, shr(2, id))
let s := keccak256(0x00, 0x40)
let o := shl(6, and(id, 3))
let v := sload(s)
let m := 0xffffffffffffffff
sstore(s, xor(v, shl(o, and(m, xor(shr(o, v), value)))))
}
}
}
文件 3 的 8：DN404Mirror.sol
pragma solidity ^0.8.4;
contract DN404Mirror {
event Transfer(
address indexed from,
address indexed to,
uint256 indexed id
);
event Approval(
address indexed owner,
address indexed account,
uint256 indexed id
);
event ApprovalForAll(
address indexed owner,
address indexed operator,
bool isApproved
);
uint256 private constant _TRANSFER_EVENT_SIGNATURE =
0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;
uint256 private constant _APPROVAL_EVENT_SIGNATURE =
0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925;
uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE =
0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31;
error SenderNotBase();
error SenderNotDeployer();
error TransferToNonERC721ReceiverImplementer();
error CannotLink();
error AlreadyLinked();
error NotLinked();
struct DN404NFTStorage {
address baseERC20;
address deployer;
}
function _getDN404NFTStorage()
internal
pure
virtual
returns (DN404NFTStorage storage $)
{
assembly {
$.slot := 0x3602298b8c10b01230
}
}
constructor(address deployer) {
_getDN404NFTStorage().deployer = deployer;
}
function name() public view virtual returns (string memory result) {
address base = baseERC20();
assembly {
result := mload(0x40)
mstore(0x00, 0x06fdde03)
if iszero(staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20)
returndatacopy(result, mload(0x00), 0x20)
returndatacopy(
add(result, 0x20),
add(mload(0x00), 0x20),
mload(result)
)
mstore(0x40, add(add(result, 0x20), mload(result)))
}
}
function symbol() public view virtual returns (string memory result) {
address base = baseERC20();
assembly {
result := mload(0x40)
mstore(0x00, 0x95d89b41)
if iszero(staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20)
returndatacopy(result, mload(0x00), 0x20)
returndatacopy(
add(result, 0x20),
add(mload(0x00), 0x20),
mload(result)
)
mstore(0x40, add(add(result, 0x20), mload(result)))
}
}
function tokenURI(
uint256 id
) public view virtual returns (string memory result) {
address base = baseERC20();
assembly {
result := mload(0x40)
mstore(0x20, id)
mstore(0x00, 0xc87b56dd)
if iszero(staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x00)) {
returndatacopy(result, 0x00, returndatasize())
revert(result, returndatasize())
}
returndatacopy(0x00, 0x00, 0x20)
returndatacopy(result, mload(0x00), 0x20)
returndatacopy(
add(result, 0x20),
add(mload(0x00), 0x20),
mload(result)
)
mstore(0x40, add(add(result, 0x20), mload(result)))
}
}
function totalSupply() public view virtual returns (uint256 result) {
address base = baseERC20();
assembly {
mstore(0x00, 0xe2c79281)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), base, 0x1c, 0x04, 0x00, 0x20)
)
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := mload(0x00)
}
}
function balanceOf(
address owner
) public view virtual returns (uint256 result) {
address base = baseERC20();
assembly {
mstore(0x20, shr(96, shl(96, owner)))
mstore(0x00, 0xf5b100ea)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x20)
)
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := mload(0x00)
}
}
function ownerOf(uint256 id) public view virtual returns (address result) {
address base = baseERC20();
assembly {
mstore(0x00, 0x6352211e)
mstore(0x20, id)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x20)
)
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := shr(96, mload(0x0c))
}
}
function approve(address spender, uint256 id) public virtual {
address base = baseERC20();
assembly {
spender := shr(96, shl(96, spender))
let m := mload(0x40)
mstore(0x00, 0xd10b6e0c)
mstore(0x20, spender)
mstore(0x40, id)
mstore(0x60, caller())
if iszero(
and(
gt(returndatasize(), 0x1f),
call(gas(), base, callvalue(), 0x1c, 0x64, 0x00, 0x20)
)
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(0x40, m)
mstore(0x60, 0)
log4(
codesize(),
0x00,
_APPROVAL_EVENT_SIGNATURE,
shr(96, mload(0x0c)),
spender,
id
)
}
}
function getApproved(
uint256 id
) public view virtual returns (address result) {
address base = baseERC20();
assembly {
mstore(0x00, 0x081812fc)
mstore(0x20, id)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), base, 0x1c, 0x24, 0x00, 0x20)
)
) {
returndatacopy(mload(0x40), 0x00, returndatasize())
revert(mload(0x40), returndatasize())
}
result := shr(96, mload(0x0c))
}
}
function setApprovalForAll(address operator, bool approved) public virtual {
address base = baseERC20();
assembly {
operator := shr(96, shl(96, operator))
let m := mload(0x40)
mstore(0x00, 0x813500fc)
mstore(0x20, operator)
mstore(0x40, iszero(iszero(approved)))
mstore(0x60, caller())
if iszero(
and(
eq(mload(0x00), 1),
call(gas(), base, callvalue(), 0x1c, 0x64, 0x00, 0x20)
)
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
log3(
0x40,
0x20,
_APPROVAL_FOR_ALL_EVENT_SIGNATURE,
caller(),
operator
)
mstore(0x40, m)
mstore(0x60, 0)
}
}
function isApprovedForAll(
address owner,
address operator
) public view virtual returns (bool result) {
address base = baseERC20();
assembly {
let m := mload(0x40)
mstore(0x40, operator)
mstore(0x2c, shl(96, owner))
mstore(0x0c, 0xe985e9c5000000000000000000000000)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), base, 0x1c, 0x44, 0x00, 0x20)
)
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
mstore(0x40, m)
result := iszero(iszero(mload(0x00)))
}
}
function transferFrom(address from, address to, uint256 id) public virtual {
address base = baseERC20();
assembly {
from := shr(96, shl(96, from))
to := shr(96, shl(96, to))
let m := mload(0x40)
mstore(m, 0xe5eb36c8)
mstore(add(m, 0x20), from)
mstore(add(m, 0x40), to)
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), caller())
if iszero(
and(
eq(mload(m), 1),
call(gas(), base, callvalue(), add(m, 0x1c), 0x84, m, 0x20)
)
) {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
log4(codesize(), 0x00, _TRANSFER_EVENT_SIGNATURE, from, to, id)
}
}
function safeTransferFrom(
address from,
address to,
uint256 id
) public payable virtual {
transferFrom(from, to, id);
if (_hasCode(to)) _checkOnERC721Received(from, to, id, "");
}
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes calldata data
) public virtual {
transferFrom(from, to, id);
if (_hasCode(to)) _checkOnERC721Received(from, to, id, data);
}
function supportsInterface(
bytes4 interfaceId
) public view virtual returns (bool result) {
assembly {
let s := shr(224, interfaceId)
result := or(
or(eq(s, 0x01ffc9a7), eq(s, 0x80ac58cd)),
eq(s, 0x5b5e139f)
)
}
}
function baseERC20() public view virtual returns (address base) {
base = _getDN404NFTStorage().baseERC20;
if (base == address(0)) revert NotLinked();
}
modifier dn404NFTFallback() virtual {
DN404NFTStorage storage $ = _getDN404NFTStorage();
uint256 fnSelector = _calldataload(0x00) >> 224;
if (fnSelector == 0x263c69d6) {
if (msg.sender != $.baseERC20) revert SenderNotBase();
assembly {
returndatacopy(0x00, returndatasize(), lt(calldatasize(), 0x20))
let o := add(0x24, calldataload(0x04))
returndatacopy(0x00, returndatasize(), lt(calldatasize(), o))
let end := add(o, shl(5, calldataload(sub(o, 0x20))))
returndatacopy(0x00, returndatasize(), lt(calldatasize(), end))
for {
} iszero(eq(o, end)) {
o := add(0x20, o)
} {
let d := calldataload(o)
let a := shr(96, d)
let b := and(1, d)
log4(
codesize(),
0x00,
_TRANSFER_EVENT_SIGNATURE,
mul(a, b),
mul(a, iszero(b)),
shr(168, shl(160, d))
)
}
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
if (fnSelector == 0x0f4599e5) {
if ($.deployer != address(0)) {
if (address(uint160(_calldataload(0x04))) != $.deployer) {
revert SenderNotDeployer();
}
}
if ($.baseERC20 != address(0)) revert AlreadyLinked();
$.baseERC20 = msg.sender;
assembly {
mstore(0x00, 0x01)
return(0x00, 0x20)
}
}
_;
}
fallback() external payable virtual dn404NFTFallback {}
receive() external payable virtual {}
function _calldataload(
uint256 offset
) private pure returns (uint256 value) {
assembly {
value := calldataload(offset)
}
}
function _hasCode(address a) private view returns (bool result) {
assembly {
result := extcodesize(a)
}
}
function _checkOnERC721Received(
address from,
address to,
uint256 id,
bytes memory data
) private {
assembly {
let m := mload(0x40)
let onERC721ReceivedSelector := 0x150b7a02
mstore(m, onERC721ReceivedSelector)
mstore(add(m, 0x20), caller())
mstore(add(m, 0x40), shr(96, shl(96, from)))
mstore(add(m, 0x60), id)
mstore(add(m, 0x80), 0x80)
let n := mload(data)
mstore(add(m, 0xa0), n)
if n {
pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xc0), n))
}
if iszero(call(gas(), to, 0, add(m, 0x1c), add(n, 0xa4), m, 0x20)) {
if returndatasize() {
returndatacopy(m, 0x00, returndatasize())
revert(m, returndatasize())
}
}
if iszero(eq(mload(m), shl(224, onERC721ReceivedSelector))) {
mstore(0x00, 0xd1a57ed6)
revert(0x1c, 0x04)
}
}
}
}
文件 4 的 8：Math.sol
pragma solidity ^0.8.20;
library Math {
error MathOverflowedMulDiv();
enum Rounding {
Floor,
Ceil,
Trunc,
Expand
}
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
function average(uint256 a, uint256 b) internal pure returns (uint256) {
return (a & b) + (a ^ b) / 2;
}
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
if (b == 0) {
return a / b;
}
return a == 0 ? 0 : (a - 1) / b + 1;
}
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
uint256 prod0 = x * y;
uint256 prod1;
assembly {
let mm := mulmod(x, y, not(0))
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
return prod0 / denominator;
}
if (denominator <= prod1) {
revert MathOverflowedMulDiv();
}
uint256 remainder;
assembly {
remainder := mulmod(x, y, denominator)
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
uint256 twos = denominator & (0 - denominator);
assembly {
denominator := div(denominator, twos)
prod0 := div(prod0, twos)
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
uint256 inverse = (3 * denominator) ^ 2;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
result = prod0 * inverse;
return result;
}
}
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 result = 1 << (log2(a) >> 1);
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
}
}
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
}
}
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
}
}
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
}
}
function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
return uint8(rounding) % 2 == 1;
}
}
文件 5 的 8：Ownable.sol
pragma solidity ^0.8.24;
abstract contract Ownable {
event OwnershipTransferred(address indexed user, address indexed newOwner);
error Unauthorized();
error InvalidOwner();
address public owner;
modifier onlyOwner() virtual {
if (msg.sender != owner) revert Unauthorized();
_;
}
constructor(address _owner) {
if (_owner == address(0)) revert InvalidOwner();
owner = _owner;
emit OwnershipTransferred(address(0), _owner);
}
function transferOwnership(address _owner) public virtual onlyOwner {
if (_owner == address(0)) revert InvalidOwner();
owner = _owner;
emit OwnershipTransferred(msg.sender, _owner);
}
function revokeOwnership() public virtual onlyOwner {
owner = address(0);
emit OwnershipTransferred(msg.sender, address(0));
}
}
文件 6 的 8：SafeTransferLib.sol
pragma solidity ^0.8.4;
library SafeTransferLib {
error ETHTransferFailed();
error TransferFromFailed();
error TransferFailed();
error ApproveFailed();
uint256 internal constant GAS_STIPEND_NO_STORAGE_WRITES = 2300;
uint256 internal constant GAS_STIPEND_NO_GRIEF = 100000;
function safeTransferETH(address to, uint256 amount) internal {
assembly {
if iszero(
call(gas(), to, amount, codesize(), 0x00, codesize(), 0x00)
) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
}
}
function safeTransferAllETH(address to) internal {
assembly {
if iszero(
call(
gas(),
to,
selfbalance(),
codesize(),
0x00,
codesize(),
0x00
)
) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
}
}
function forceSafeTransferETH(
address to,
uint256 amount,
uint256 gasStipend
) internal {
assembly {
if lt(selfbalance(), amount) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
if iszero(
call(gasStipend, to, amount, codesize(), 0x00, codesize(), 0x00)
) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(amount, 0x0b, 0x16)) {
revert(codesize(), codesize())
}
}
}
}
function forceSafeTransferAllETH(address to, uint256 gasStipend) internal {
assembly {
if iszero(
call(
gasStipend,
to,
selfbalance(),
codesize(),
0x00,
codesize(),
0x00
)
) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(selfbalance(), 0x0b, 0x16)) {
revert(codesize(), codesize())
}
}
}
}
function forceSafeTransferETH(address to, uint256 amount) internal {
assembly {
if lt(selfbalance(), amount) {
mstore(0x00, 0xb12d13eb)
revert(0x1c, 0x04)
}
if iszero(
call(
GAS_STIPEND_NO_GRIEF,
to,
amount,
codesize(),
0x00,
codesize(),
0x00
)
) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(amount, 0x0b, 0x16)) {
revert(codesize(), codesize())
}
}
}
}
function forceSafeTransferAllETH(address to) internal {
assembly {
if iszero(
call(
GAS_STIPEND_NO_GRIEF,
to,
selfbalance(),
codesize(),
0x00,
codesize(),
0x00
)
) {
mstore(0x00, to)
mstore8(0x0b, 0x73)
mstore8(0x20, 0xff)
if iszero(create(selfbalance(), 0x0b, 0x16)) {
revert(codesize(), codesize())
}
}
}
}
function trySafeTransferETH(
address to,
uint256 amount,
uint256 gasStipend
) internal returns (bool success) {
assembly {
success := call(
gasStipend,
to,
amount,
codesize(),
0x00,
codesize(),
0x00
)
}
}
function trySafeTransferAllETH(
address to,
uint256 gasStipend
) internal returns (bool success) {
assembly {
success := call(
gasStipend,
to,
selfbalance(),
codesize(),
0x00,
codesize(),
0x00
)
}
}
function safeTransferFrom(
address token,
address from,
address to,
uint256 amount
) internal {
assembly {
let m := mload(0x40)
mstore(0x60, amount)
mstore(0x40, to)
mstore(0x2c, shl(96, from))
mstore(0x0c, 0x23b872dd000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
) {
mstore(0x00, 0x7939f424)
revert(0x1c, 0x04)
}
mstore(0x60, 0)
mstore(0x40, m)
}
}
function safeTransferAllFrom(
address token,
address from,
address to
) internal returns (uint256 amount) {
assembly {
let m := mload(0x40)
mstore(0x40, to)
mstore(0x2c, shl(96, from))
mstore(0x0c, 0x70a08231000000000000000000000000)
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), token, 0x1c, 0x24, 0x60, 0x20)
)
) {
mstore(0x00, 0x7939f424)
revert(0x1c, 0x04)
}
mstore(0x00, 0x23b872dd)
amount := mload(0x60)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
) {
mstore(0x00, 0x7939f424)
revert(0x1c, 0x04)
}
mstore(0x60, 0)
mstore(0x40, m)
}
}
function safeTransfer(address token, address to, uint256 amount) internal {
assembly {
mstore(0x14, to)
mstore(0x34, amount)
mstore(0x00, 0xa9059cbb000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x90b8ec18)
revert(0x1c, 0x04)
}
mstore(0x34, 0)
}
}
function safeTransferAll(
address token,
address to
) internal returns (uint256 amount) {
assembly {
mstore(0x00, 0x70a08231)
mstore(0x20, address())
if iszero(
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), token, 0x1c, 0x24, 0x34, 0x20)
)
) {
mstore(0x00, 0x90b8ec18)
revert(0x1c, 0x04)
}
mstore(0x14, to)
amount := mload(0x34)
mstore(0x00, 0xa9059cbb000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x90b8ec18)
revert(0x1c, 0x04)
}
mstore(0x34, 0)
}
}
function safeApprove(address token, address to, uint256 amount) internal {
assembly {
mstore(0x14, to)
mstore(0x34, amount)
mstore(0x00, 0x095ea7b3000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x3e3f8f73)
revert(0x1c, 0x04)
}
mstore(0x34, 0)
}
}
function safeApproveWithRetry(
address token,
address to,
uint256 amount
) internal {
assembly {
mstore(0x14, to)
mstore(0x34, amount)
mstore(0x00, 0x095ea7b3000000000000000000000000)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x34, 0)
mstore(0x00, 0x095ea7b3000000000000000000000000)
pop(call(gas(), token, 0, 0x10, 0x44, codesize(), 0x00))
mstore(0x34, amount)
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())),
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x3e3f8f73)
revert(0x1c, 0x04)
}
}
mstore(0x34, 0)
}
}
function balanceOf(
address token,
address account
) internal view returns (uint256 amount) {
assembly {
mstore(0x14, account)
mstore(0x00, 0x70a08231000000000000000000000000)
amount := mul(
mload(0x20),
and(
gt(returndatasize(), 0x1f),
staticcall(gas(), token, 0x10, 0x24, 0x20, 0x20)
)
)
}
}
}
文件 7 的 8：SignedMath.sol
pragma solidity ^0.8.20;
library SignedMath {
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
function average(int256 a, int256 b) internal pure returns (int256) {
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
function abs(int256 n) internal pure returns (uint256) {
unchecked {
return uint256(n >= 0 ? n : -n);
}
}
}
文件 8 的 8：Strings.sol
pragma solidity ^0.8.20;
import {Math} from "./math/Math.sol";
import {SignedMath} from "./math/SignedMath.sol";
library Strings {
bytes16 private constant HEX_DIGITS = "0123456789abcdef";
uint8 private constant ADDRESS_LENGTH = 20;
error StringsInsufficientHexLength(uint256 value, uint256 length);
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
assembly {
mstore8(ptr, byte(mod(value, 10), HEX_DIGITS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
function toStringSigned(int256 value) internal pure returns (string memory) {
return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value)));
}
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
uint256 localValue = value;
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = HEX_DIGITS[localValue & 0xf];
localValue >>= 4;
}
if (localValue != 0) {
revert StringsInsufficientHexLength(value, length);
}
return string(buffer);
}
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH);
}
function equal(string memory a, string memory b) internal pure returns (bool) {
return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b));
}
}
{
"compilationTarget": {
"contracts/C4sh404.sol": "C4sh404"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs",
"useLiteralContent": true
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"DNAlreadyInitialized","type":"error"},{"inputs":[],"name":"InsufficientAllowance","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InvalidOwner","type":"error"},{"inputs":[],"name":"LinkMirrorContractFailed","type":"error"},{"inputs":[],"name":"MaxBalanceExceeded","type":"error"},{"inputs":[],"name":"MirrorAddressIsZero","type":"error"},{"inputs":[],"name":"SenderNotMirror","type":"error"},{"inputs":[],"name":"TokenDoesNotExist","type":"error"},{"inputs":[],"name":"TotalSupplyOverflow","type":"error"},{"inputs":[],"name":"TradingNotActive","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"bool","name":"status","type":"bool"}],"name":"SkipNFTSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Transfer","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"","type":"uint8"}],"name":"baseTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"bool","name":"_isTradingEnabled","type":"bool"}],"name":"enableTrading","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"a","type":"address"}],"name":"getExcludedFromFee","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"id","type":"uint256"}],"name":"getNFTInfo","outputs":[{"internalType":"uint8","name":"","type":"uint8"},{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"a","type":"address"}],"name":"getSkipNFT","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"","type":"uint8"}],"name":"imageTokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"mirrorERC721","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"revokeOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"stakingAddress","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalStakingAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bool","name":"excluded","type":"bool"}],"name":"setExcludedFromFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"tier","type":"uint8"},{"internalType":"string","name":"_imageURI","type":"string"}],"name":"setImageURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_isLimited","type":"bool"},{"internalType":"uint256","name":"_maxMint","type":"uint256"}],"name":"setLimits","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_nftCountPerTier","type":"uint256"}],"name":"setNftCountPerTier","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"nft","type":"address"},{"internalType":"bool","name":"skip","type":"bool"}],"name":"setSkipNFT","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_stakingAddress","type":"address"},{"internalType":"bool","name":"temp","type":"bool"}],"name":"setStakingAddress","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"enabled","type":"bool"}],"name":"setSwapEnabled","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"pair","type":"address"}],"name":"setTaxPair","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"buy","type":"uint256"},{"internalType":"uint256","name":"sell","type":"uint256"}],"name":"setTaxRates","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"},{"internalType":"uint256","name":"swapThreeshold","type":"uint256"}],"name":"setTaxSettings","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint8","name":"tier","type":"uint8"},{"internalType":"string","name":"_tokenURI","type":"string"}],"name":"setTokenURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"stakingAddresses","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"result","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
