编译器
0.8.21+commit.d9974bed
文件 1 的 13:Context.sol
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
文件 2 的 13:ERC20Relayer.sol
pragma solidity ^0.8.21;
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/utils/Context.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import "./ISemiFungibleERC741.sol";
contract ERC20Relayer is IERC20, IERC20Metadata, Context {
ISemiFungibleERC741 public erc741;
modifier onlyNFT() {
require(
_msgSender() == address(erc741),
"onlyNFT can call this function"
);
_;
}
constructor() {
erc741 = ISemiFungibleERC741(_msgSender());
}
function name() external view override returns (string memory) {
return erc741.name();
}
function symbol() external view override returns (string memory) {
return erc741.symbol();
}
function decimals() external view override returns (uint8) {
return erc741._decimals();
}
function totalSupply() external view override returns (uint256) {
return erc741._erc20Supply();
}
function balanceOf(
address account
) external view override returns (uint256) {
return erc741.balanceOfERC20(account);
}
function transfer(
address to,
uint256 amount
) external override returns (bool) {
bool status = erc741.transferERC20(_msgSender(), to, amount);
emit Transfer(_msgSender(), to, amount);
return status;
}
function allowance(
address owner,
address spender
) external view override returns (uint256) {
return erc741.allowance(owner, spender);
}
function approve(
address spender,
uint256 amount
) external override returns (bool) {
bool status = erc741.approveERC20(_msgSender(), spender, amount);
emit Approval(_msgSender(), spender, amount);
return status;
}
function transferFrom(
address from,
address to,
uint256 amount
) external override returns (bool) {
bool status = erc741.transferFromERC20(_msgSender(), from, to, amount);
emit Transfer(from, to, amount);
return status;
}
function emitTransfer(
address from,
address to,
uint256 amount
) external onlyNFT {
emit Transfer(from, to, amount);
}
}
文件 3 的 13:ERC721Receiver.sol
pragma solidity ^0.8.21;
abstract contract ERC721Receiver {
function onERC721Received(
address,
address,
uint256,
bytes calldata
) external virtual returns (bytes4) {
return ERC721Receiver.onERC721Received.selector;
}
}
文件 4 的 13:ERCHub.sol
pragma solidity ^0.8.21;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {Context} from "@openzeppelin/contracts/utils/Context.sol";
import {IUniswapV3Factory} from "@uniswap/v3-core/contracts/interfaces/IUniswapV3Factory.sol";
import {SemiFungibleERC741} from "./SemiFungibleERC741.sol";
contract ERCHub is SemiFungibleERC741 {
constructor() SemiFungibleERC741("ERC741", "HUB") {
_erc20Supply = 5000 * 10 ** 18;
erc721totalSupply = 5000;
_balance[_msgSender()] = _erc20Supply;
address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
uint256 chain = block.chainid;
if (chain == 5) {
WETH = 0xB4FBF271143F4FBf7B91A5ded31805e42b2208d6;
}
address v3Pool = IUniswapV3Factory(
0x1F98431c8aD98523631AE4a59f267346ea31F984
).createPool(WETH, address(this), 10000);
excludeNFT[_msgSender()] = true;
excludeNFT[v3Pool] = true;
erc20Relayer.emitTransfer(address(0), _msgSender(), _erc20Supply);
}
function setExcludeNFTPublic(bool status) external {
if (_balance[_msgSender()] > 0) {
revert InvalidSetWhitelistCondition();
}
excludeNFT[_msgSender()] = status;
}
}
文件 5 的 13:IERC20.sol
pragma solidity ^0.8.0;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom(address from, address to, uint256 amount) external returns (bool);
}
文件 6 的 13:IERC20Metadata.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
文件 7 的 13:ISemiFungibleERC741.sol
pragma solidity ^0.8.21;
interface ISemiFungibleERC741 {
function allowance(address, address) external view returns (uint256);
function approve(
address spender,
uint256 amountOrId
) external returns (bool);
function balanceOf(address) external view returns (uint256);
function balanceOfERC20(address) external view returns (uint256);
function baseTokenURI() external view returns (string memory);
function _decimals() external view returns (uint8);
function erc721totalSupply() external view returns (uint256);
function getApproved(uint256) external view returns (address);
function getBurnedToken() external view returns (uint256[] memory);
function isApprovedForAll(address, address) external view returns (bool);
function maxMintedId() external view returns (uint256);
function name() external view returns (string memory);
function owner() external view returns (address);
function ownerOf(uint256 id) external view returns (address owner);
function renounceOwnership() external;
function safeTransferFrom(address from, address to, uint256 id) external;
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes memory data
) external;
function setApprovalForAll(address operator, bool approved) external;
function setTokenURI(string memory _tokenURI) external;
function setWhitelist(address target, bool state) external;
function symbol() external view returns (string memory);
function tokenIdPool(uint256) external view returns (uint256);
function tokenURI(uint256 id) external returns (string memory);
function _erc20Supply() external view returns (uint256);
function transfer(address to, uint256 amount) external returns (bool);
function transferFrom(
address from,
address to,
uint256 amountOrId
) external;
function transferOwnership(address newOwner) external;
function whitelist(address) external view returns (bool);
function transferERC20(
address sender,
address to,
uint256 amount
) external returns (bool);
function transferFromERC20(
address sender,
address from,
address to,
uint256 amount
) external returns (bool);
function approveERC20(
address sender,
address spender,
uint256 amountOrId
) external returns (bool);
}
文件 8 的 13:IUniswapV3Factory.sol
pragma solidity >=0.5.0;
interface IUniswapV3Factory {
event OwnerChanged(address indexed oldOwner, address indexed newOwner);
event PoolCreated(
address indexed token0,
address indexed token1,
uint24 indexed fee,
int24 tickSpacing,
address pool
);
event FeeAmountEnabled(uint24 indexed fee, int24 indexed tickSpacing);
function owner() external view returns (address);
function feeAmountTickSpacing(uint24 fee) external view returns (int24);
function getPool(
address tokenA,
address tokenB,
uint24 fee
) external view returns (address pool);
function createPool(
address tokenA,
address tokenB,
uint24 fee
) external returns (address pool);
function setOwner(address _owner) external;
function enableFeeAmount(uint24 fee, int24 tickSpacing) external;
}
文件 9 的 13:Math.sol
pragma solidity ^0.8.0;
library Math {
enum Rounding {
Down,
Up,
Zero
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
function average(uint256 a, uint256 b) internal pure returns (uint256) {
return (a & b) + (a ^ b) / 2;
}
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
return a == 0 ? 0 : (a - 1) / b + 1;
}
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
uint256 prod0;
uint256 prod1;
assembly {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
return prod0 / denominator;
}
require(denominator > prod1, "Math: mulDiv overflow");
uint256 remainder;
assembly {
remainder := mulmod(x, y, denominator)
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
uint256 twos = denominator & (~denominator + 1);
assembly {
denominator := div(denominator, twos)
prod0 := div(prod0, twos)
twos := add(div(sub(0, twos), twos), 1)
}
prod0 |= prod1 * twos;
uint256 inverse = (3 * denominator) ^ 2;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
inverse *= 2 - denominator * inverse;
result = prod0 * inverse;
return result;
}
}
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 result = 1 << (log2(a) >> 1);
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
}
}
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
}
}
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (rounding == Rounding.Up && 10 ** result < value ? 1 : 0);
}
}
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (rounding == Rounding.Up && 1 << (result << 3) < value ? 1 : 0);
}
}
}
文件 10 的 13:Ownable.sol
pragma solidity ^0.8.0;
import "../utils/Context.sol";
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
文件 11 的 13:SemiFungibleERC741.sol
pragma solidity ^0.8.21;
import {Strings} from "@openzeppelin/contracts/utils/Strings.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {ERC721Receiver} from "./ERC721Receiver.sol";
import {ERC20Relayer} from "./ERC20Relayer.sol";
abstract contract SemiFungibleERC741 is Ownable {
event Approval(
address indexed owner,
address indexed spender,
uint256 amount
);
event Transfer(
address indexed from,
address indexed to,
uint256 indexed id
);
event ApprovalForAll(
address indexed owner,
address indexed operator,
bool approved
);
error TokenNotFound();
error AlreadyExists();
error InvalidRecipient();
error InvalidSender();
error UnsafeRecipient();
error InvalidId();
error IdNotAssigned();
error PoolIsEmpty();
error InvalidSetWhitelistCondition();
error Unauthorized();
error InvalidOwner();
string public name;
string public symbol;
uint8 public immutable _decimals = 18;
uint256 public immutable _erc20Supply;
string public baseTokenURI;
uint256 public erc721totalSupply;
uint256[] public tokenIdPool;
uint256 public maxMintedId;
ERC20Relayer public erc20Relayer;
mapping(uint256 => bool) private idAssigned;
mapping(address => uint256) public _balance;
mapping(address => mapping(address => uint256)) public allowance;
mapping(uint256 => address) public getApproved;
mapping(address => mapping(address => bool)) public isApprovedForAll;
mapping(uint256 => address) internal _ownerOf;
mapping(address => uint256[]) internal _owned;
mapping(uint256 => uint256) internal _ownedIndex;
mapping(address => bool) public excludeNFT;
modifier onlyRelayer() {
if (_msgSender() != address(erc20Relayer)) {
revert Unauthorized();
}
_;
}
constructor(string memory _name, string memory _symbol) {
name = _name;
symbol = _symbol;
erc20Relayer = new ERC20Relayer();
}
function totalSupply() public view returns (uint256) {
return erc721totalSupply;
}
function setExcludeNFT(address target, bool state) public onlyOwner {
if (_balance[target] > 0) {
revert InvalidSetWhitelistCondition();
}
excludeNFT[target] = state;
}
function ownerOf(uint256 id) public view returns (address owner) {
owner = _ownerOf[id];
if (owner == address(0)) {
revert TokenNotFound();
}
}
function setTokenURI(string memory _tokenURI) public onlyOwner {
baseTokenURI = _tokenURI;
}
function tokenURI(uint256 id) public virtual returns (string memory) {
if (id >= erc721totalSupply || id <= 0) {
revert InvalidId();
}
return string.concat(baseTokenURI, Strings.toString(id));
}
function approve(address spender, uint256 tokenId) public returns (bool) {
address owner = _ownerOf[tokenId];
if (_msgSender() != owner && !isApprovedForAll[owner][_msgSender()]) {
revert Unauthorized();
}
getApproved[tokenId] = spender;
emit Approval(owner, spender, tokenId);
return true;
}
function setApprovalForAll(address operator, bool approved) public {
isApprovedForAll[_msgSender()][operator] = approved;
emit ApprovalForAll(_msgSender(), operator, approved);
}
function transferFrom(address from, address to, uint256 tokenId) public {
if (from != _ownerOf[tokenId]) {
revert InvalidSender();
}
if (to == address(0)) {
revert InvalidRecipient();
}
if (
_msgSender() != from &&
!isApprovedForAll[from][_msgSender()] &&
_msgSender() != getApproved[tokenId]
) {
revert Unauthorized();
}
_balance[from] -= _getUnit();
unchecked {
_balance[to] += _getUnit();
}
_ownerOf[tokenId] = to;
delete getApproved[tokenId];
uint256 updatedId = _owned[from][_owned[from].length - 1];
_owned[from][_ownedIndex[tokenId]] = updatedId;
_owned[from].pop();
_ownedIndex[updatedId] = _ownedIndex[tokenId];
_owned[to].push(tokenId);
_ownedIndex[tokenId] = _owned[to].length - 1;
erc20Relayer.emitTransfer(from, to, _getUnit());
emit Transfer(from, to, tokenId);
}
function safeTransferFrom(
address from,
address to,
uint256 id,
bytes calldata data
) public {
transferFrom(from, to, id);
if (
to.code.length != 0 &&
ERC721Receiver(to).onERC721Received(_msgSender(), from, id, data) !=
ERC721Receiver.onERC721Received.selector
) {
revert UnsafeRecipient();
}
}
function _transfer(
address from,
address to,
uint256 amount
) internal returns (bool) {
uint256 unit = _getUnit();
uint256 balanceBeforeSender = _balance[from];
uint256 balanceBeforeReceiver = _balance[to];
_balance[from] -= amount;
unchecked {
_balance[to] += amount;
}
if (!excludeNFT[from]) {
uint256 tokens_to_burn = (balanceBeforeSender / unit) -
(_balance[from] / unit);
for (uint256 i = 0; i < tokens_to_burn; i++) {
_burn(from);
}
}
if (!excludeNFT[to]) {
uint256 tokens_to_mint = (_balance[to] / unit) -
(balanceBeforeReceiver / unit);
for (uint256 i = 0; i < tokens_to_mint; i++) {
_mint(to);
}
}
return true;
}
function balanceOf(address account) public view returns (uint256) {
return _balance[account] / _getUnit();
}
function _getUnit() internal pure returns (uint256) {
return 10 ** _decimals;
}
function _getIdFromPool() private returns (uint256) {
if (tokenIdPool.length == 0) {
revert PoolIsEmpty();
}
uint256 randomIndex = uint256(
keccak256(
abi.encodePacked(
block.timestamp,
_msgSender(),
tokenIdPool.length
)
)
) % tokenIdPool.length;
uint256 id = tokenIdPool[randomIndex];
tokenIdPool[randomIndex] = tokenIdPool[tokenIdPool.length - 1];
tokenIdPool.pop();
idAssigned[id] = true;
return id;
}
function _returnIdToPool(uint256 id) private {
if (!idAssigned[id]) {
revert IdNotAssigned();
}
tokenIdPool.push(id);
idAssigned[id] = false;
}
function _mint(address to) internal {
if (to == address(0)) {
revert InvalidRecipient();
}
uint256 id;
if (maxMintedId < erc721totalSupply) {
maxMintedId++;
id = maxMintedId;
idAssigned[id] = true;
} else if (tokenIdPool.length > 0) {
id = _getIdFromPool();
} else {
revert PoolIsEmpty();
}
_ownerOf[id] = to;
_owned[to].push(id);
_ownedIndex[id] = _owned[to].length - 1;
emit Transfer(address(0), to, id);
}
function _burn(address from) internal {
if (from == address(0)) {
revert InvalidSender();
}
uint256 id = _owned[from][_owned[from].length - 1];
_returnIdToPool(id);
_owned[from].pop();
delete _ownedIndex[id];
delete _ownerOf[id];
delete getApproved[id];
emit Transfer(from, address(0), id);
}
function safeTransferFrom(address from, address to, uint256 id) public {
transferFrom(from, to, id);
if (
to.code.length != 0 &&
ERC721Receiver(to).onERC721Received(_msgSender(), from, id, "") !=
ERC721Receiver.onERC721Received.selector
) {
revert UnsafeRecipient();
}
}
function tokenOfOwnerByIndex(
address owner,
uint256 index
) public view returns (uint256) {
return _owned[owner][index];
}
function transferERC20(
address sender,
address to,
uint256 amount
) external onlyRelayer returns (bool) {
return _transfer(sender, to, amount);
}
function balanceOfERC20(address account) public view returns (uint256) {
return _balance[account];
}
function transferFromERC20(
address sender,
address from,
address to,
uint256 amount
) external onlyRelayer returns (bool) {
uint256 allowed = allowance[from][sender];
if (allowed != type(uint256).max)
allowance[from][sender] = allowed - amount;
return _transfer(from, to, amount);
}
function approveERC20(
address sender,
address spender,
uint256 amount
) external onlyRelayer returns (bool) {
allowance[sender][spender] = amount;
return true;
}
}
文件 12 的 13:SignedMath.sol
pragma solidity ^0.8.0;
library SignedMath {
function max(int256 a, int256 b) internal pure returns (int256) {
return a > b ? a : b;
}
function min(int256 a, int256 b) internal pure returns (int256) {
return a < b ? a : b;
}
function average(int256 a, int256 b) internal pure returns (int256) {
int256 x = (a & b) + ((a ^ b) >> 1);
return x + (int256(uint256(x) >> 255) & (a ^ b));
}
function abs(int256 n) internal pure returns (uint256) {
unchecked {
return uint256(n >= 0 ? n : -n);
}
}
}
文件 13 的 13:Strings.sol
pragma solidity ^0.8.0;
import "./math/Math.sol";
import "./math/SignedMath.sol";
library Strings {
bytes16 private constant _SYMBOLS = "0123456789abcdef";
uint8 private constant _ADDRESS_LENGTH = 20;
function toString(uint256 value) internal pure returns (string memory) {
unchecked {
uint256 length = Math.log10(value) + 1;
string memory buffer = new string(length);
uint256 ptr;
assembly {
ptr := add(buffer, add(32, length))
}
while (true) {
ptr--;
assembly {
mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
}
value /= 10;
if (value == 0) break;
}
return buffer;
}
}
function toString(int256 value) internal pure returns (string memory) {
return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMath.abs(value))));
}
function toHexString(uint256 value) internal pure returns (string memory) {
unchecked {
return toHexString(value, Math.log256(value) + 1);
}
}
function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
bytes memory buffer = new bytes(2 * length + 2);
buffer[0] = "0";
buffer[1] = "x";
for (uint256 i = 2 * length + 1; i > 1; --i) {
buffer[i] = _SYMBOLS[value & 0xf];
value >>= 4;
}
require(value == 0, "Strings: hex length insufficient");
return string(buffer);
}
function toHexString(address addr) internal pure returns (string memory) {
return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
}
function equal(string memory a, string memory b) internal pure returns (bool) {
return keccak256(bytes(a)) == keccak256(bytes(b));
}
}
{
"compilationTarget": {
"contracts/ERCHub.sol": "ERCHub"
},
"evmVersion": "shanghai",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": []
}
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