编译器
0.8.19+commit.7dd6d404
文件 1 的 37：Address.sol
pragma solidity ^0.8.1;
library Address {
function isContract(address account) internal view returns (bool) {
return account.code.length > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
文件 2 的 37：Common.sol
pragma solidity >=0.8.19;
error PRBMath_MulDiv_Overflow(uint256 x, uint256 y, uint256 denominator);
error PRBMath_MulDiv18_Overflow(uint256 x, uint256 y);
error PRBMath_MulDivSigned_InputTooSmall();
error PRBMath_MulDivSigned_Overflow(int256 x, int256 y);
uint128 constant MAX_UINT128 = type(uint128).max;
uint40 constant MAX_UINT40 = type(uint40).max;
uint256 constant UNIT = 1e18;
uint256 constant UNIT_INVERSE = 78156646155174841979727994598816262306175212592076161876661_508869554232690281;
uint256 constant UNIT_LPOTD = 262144;
function exp2(uint256 x) pure returns (uint256 result) {
unchecked {
result = 0x800000000000000000000000000000000000000000000000;
if (x & 0xFF00000000000000 > 0) {
if (x & 0x8000000000000000 > 0) {
result = (result * 0x16A09E667F3BCC909) >> 64;
}
if (x & 0x4000000000000000 > 0) {
result = (result * 0x1306FE0A31B7152DF) >> 64;
}
if (x & 0x2000000000000000 > 0) {
result = (result * 0x1172B83C7D517ADCE) >> 64;
}
if (x & 0x1000000000000000 > 0) {
result = (result * 0x10B5586CF9890F62A) >> 64;
}
if (x & 0x800000000000000 > 0) {
result = (result * 0x1059B0D31585743AE) >> 64;
}
if (x & 0x400000000000000 > 0) {
result = (result * 0x102C9A3E778060EE7) >> 64;
}
if (x & 0x200000000000000 > 0) {
result = (result * 0x10163DA9FB33356D8) >> 64;
}
if (x & 0x100000000000000 > 0) {
result = (result * 0x100B1AFA5ABCBED61) >> 64;
}
}
if (x & 0xFF000000000000 > 0) {
if (x & 0x80000000000000 > 0) {
result = (result * 0x10058C86DA1C09EA2) >> 64;
}
if (x & 0x40000000000000 > 0) {
result = (result * 0x1002C605E2E8CEC50) >> 64;
}
if (x & 0x20000000000000 > 0) {
result = (result * 0x100162F3904051FA1) >> 64;
}
if (x & 0x10000000000000 > 0) {
result = (result * 0x1000B175EFFDC76BA) >> 64;
}
if (x & 0x8000000000000 > 0) {
result = (result * 0x100058BA01FB9F96D) >> 64;
}
if (x & 0x4000000000000 > 0) {
result = (result * 0x10002C5CC37DA9492) >> 64;
}
if (x & 0x2000000000000 > 0) {
result = (result * 0x1000162E525EE0547) >> 64;
}
if (x & 0x1000000000000 > 0) {
result = (result * 0x10000B17255775C04) >> 64;
}
}
if (x & 0xFF0000000000 > 0) {
if (x & 0x800000000000 > 0) {
result = (result * 0x1000058B91B5BC9AE) >> 64;
}
if (x & 0x400000000000 > 0) {
result = (result * 0x100002C5C89D5EC6D) >> 64;
}
if (x & 0x200000000000 > 0) {
result = (result * 0x10000162E43F4F831) >> 64;
}
if (x & 0x100000000000 > 0) {
result = (result * 0x100000B1721BCFC9A) >> 64;
}
if (x & 0x80000000000 > 0) {
result = (result * 0x10000058B90CF1E6E) >> 64;
}
if (x & 0x40000000000 > 0) {
result = (result * 0x1000002C5C863B73F) >> 64;
}
if (x & 0x20000000000 > 0) {
result = (result * 0x100000162E430E5A2) >> 64;
}
if (x & 0x10000000000 > 0) {
result = (result * 0x1000000B172183551) >> 64;
}
}
if (x & 0xFF00000000 > 0) {
if (x & 0x8000000000 > 0) {
result = (result * 0x100000058B90C0B49) >> 64;
}
if (x & 0x4000000000 > 0) {
result = (result * 0x10000002C5C8601CC) >> 64;
}
if (x & 0x2000000000 > 0) {
result = (result * 0x1000000162E42FFF0) >> 64;
}
if (x & 0x1000000000 > 0) {
result = (result * 0x10000000B17217FBB) >> 64;
}
if (x & 0x800000000 > 0) {
result = (result * 0x1000000058B90BFCE) >> 64;
}
if (x & 0x400000000 > 0) {
result = (result * 0x100000002C5C85FE3) >> 64;
}
if (x & 0x200000000 > 0) {
result = (result * 0x10000000162E42FF1) >> 64;
}
if (x & 0x100000000 > 0) {
result = (result * 0x100000000B17217F8) >> 64;
}
}
if (x & 0xFF000000 > 0) {
if (x & 0x80000000 > 0) {
result = (result * 0x10000000058B90BFC) >> 64;
}
if (x & 0x40000000 > 0) {
result = (result * 0x1000000002C5C85FE) >> 64;
}
if (x & 0x20000000 > 0) {
result = (result * 0x100000000162E42FF) >> 64;
}
if (x & 0x10000000 > 0) {
result = (result * 0x1000000000B17217F) >> 64;
}
if (x & 0x8000000 > 0) {
result = (result * 0x100000000058B90C0) >> 64;
}
if (x & 0x4000000 > 0) {
result = (result * 0x10000000002C5C860) >> 64;
}
if (x & 0x2000000 > 0) {
result = (result * 0x1000000000162E430) >> 64;
}
if (x & 0x1000000 > 0) {
result = (result * 0x10000000000B17218) >> 64;
}
}
if (x & 0xFF0000 > 0) {
if (x & 0x800000 > 0) {
result = (result * 0x1000000000058B90C) >> 64;
}
if (x & 0x400000 > 0) {
result = (result * 0x100000000002C5C86) >> 64;
}
if (x & 0x200000 > 0) {
result = (result * 0x10000000000162E43) >> 64;
}
if (x & 0x100000 > 0) {
result = (result * 0x100000000000B1721) >> 64;
}
if (x & 0x80000 > 0) {
result = (result * 0x10000000000058B91) >> 64;
}
if (x & 0x40000 > 0) {
result = (result * 0x1000000000002C5C8) >> 64;
}
if (x & 0x20000 > 0) {
result = (result * 0x100000000000162E4) >> 64;
}
if (x & 0x10000 > 0) {
result = (result * 0x1000000000000B172) >> 64;
}
}
if (x & 0xFF00 > 0) {
if (x & 0x8000 > 0) {
result = (result * 0x100000000000058B9) >> 64;
}
if (x & 0x4000 > 0) {
result = (result * 0x10000000000002C5D) >> 64;
}
if (x & 0x2000 > 0) {
result = (result * 0x1000000000000162E) >> 64;
}
if (x & 0x1000 > 0) {
result = (result * 0x10000000000000B17) >> 64;
}
if (x & 0x800 > 0) {
result = (result * 0x1000000000000058C) >> 64;
}
if (x & 0x400 > 0) {
result = (result * 0x100000000000002C6) >> 64;
}
if (x & 0x200 > 0) {
result = (result * 0x10000000000000163) >> 64;
}
if (x & 0x100 > 0) {
result = (result * 0x100000000000000B1) >> 64;
}
}
if (x & 0xFF > 0) {
if (x & 0x80 > 0) {
result = (result * 0x10000000000000059) >> 64;
}
if (x & 0x40 > 0) {
result = (result * 0x1000000000000002C) >> 64;
}
if (x & 0x20 > 0) {
result = (result * 0x10000000000000016) >> 64;
}
if (x & 0x10 > 0) {
result = (result * 0x1000000000000000B) >> 64;
}
if (x & 0x8 > 0) {
result = (result * 0x10000000000000006) >> 64;
}
if (x & 0x4 > 0) {
result = (result * 0x10000000000000003) >> 64;
}
if (x & 0x2 > 0) {
result = (result * 0x10000000000000001) >> 64;
}
if (x & 0x1 > 0) {
result = (result * 0x10000000000000001) >> 64;
}
}
result *= UNIT;
result >>= (191 - (x >> 64));
}
}
function msb(uint256 x) pure returns (uint256 result) {
assembly ("memory-safe") {
let factor := shl(7, gt(x, 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := shl(6, gt(x, 0xFFFFFFFFFFFFFFFF))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := shl(5, gt(x, 0xFFFFFFFF))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := shl(4, gt(x, 0xFFFF))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := shl(3, gt(x, 0xFF))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := shl(2, gt(x, 0xF))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := shl(1, gt(x, 0x3))
x := shr(factor, x)
result := or(result, factor)
}
assembly ("memory-safe") {
let factor := gt(x, 0x1)
result := or(result, factor)
}
}
function mulDiv(uint256 x, uint256 y, uint256 denominator) pure returns (uint256 result) {
uint256 prod0;
uint256 prod1;
assembly ("memory-safe") {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
unchecked {
return prod0 / denominator;
}
}
if (prod1 >= denominator) {
revert PRBMath_MulDiv_Overflow(x, y, denominator);
}
uint256 remainder;
assembly ("memory-safe") {
remainder := mulmod(x, y, denominator)
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
unchecked {
uint256 lpotdod = denominator & (~denominator + 1);
uint256 flippedLpotdod;
assembly ("memory-safe") {
denominator := div(denominator, lpotdod)
prod0 := div(prod0, lpotdod)
flippedLpotdod := add(div(sub(0, lpotdod), lpotdod), 1)
}
prod0 |= prod1 * flippedLpotdod;
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;
}
}
function mulDiv18(uint256 x, uint256 y) pure returns (uint256 result) {
uint256 prod0;
uint256 prod1;
assembly ("memory-safe") {
let mm := mulmod(x, y, not(0))
prod0 := mul(x, y)
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
if (prod1 == 0) {
unchecked {
return prod0 / UNIT;
}
}
if (prod1 >= UNIT) {
revert PRBMath_MulDiv18_Overflow(x, y);
}
uint256 remainder;
assembly ("memory-safe") {
remainder := mulmod(x, y, UNIT)
result :=
mul(
or(
div(sub(prod0, remainder), UNIT_LPOTD),
mul(sub(prod1, gt(remainder, prod0)), add(div(sub(0, UNIT_LPOTD), UNIT_LPOTD), 1))
),
UNIT_INVERSE
)
}
}
function mulDivSigned(int256 x, int256 y, int256 denominator) pure returns (int256 result) {
if (x == type(int256).min || y == type(int256).min || denominator == type(int256).min) {
revert PRBMath_MulDivSigned_InputTooSmall();
}
uint256 xAbs;
uint256 yAbs;
uint256 dAbs;
unchecked {
xAbs = x < 0 ? uint256(-x) : uint256(x);
yAbs = y < 0 ? uint256(-y) : uint256(y);
dAbs = denominator < 0 ? uint256(-denominator) : uint256(denominator);
}
uint256 resultAbs = mulDiv(xAbs, yAbs, dAbs);
if (resultAbs > uint256(type(int256).max)) {
revert PRBMath_MulDivSigned_Overflow(x, y);
}
uint256 sx;
uint256 sy;
uint256 sd;
assembly ("memory-safe") {
sx := sgt(x, sub(0, 1))
sy := sgt(y, sub(0, 1))
sd := sgt(denominator, sub(0, 1))
}
unchecked {
result = sx ^ sy ^ sd == 0 ? -int256(resultAbs) : int256(resultAbs);
}
}
function sqrt(uint256 x) pure returns (uint256 result) {
if (x == 0) {
return 0;
}
uint256 xAux = uint256(x);
result = 1;
if (xAux >= 2 ** 128) {
xAux >>= 128;
result <<= 64;
}
if (xAux >= 2 ** 64) {
xAux >>= 64;
result <<= 32;
}
if (xAux >= 2 ** 32) {
xAux >>= 32;
result <<= 16;
}
if (xAux >= 2 ** 16) {
xAux >>= 16;
result <<= 8;
}
if (xAux >= 2 ** 8) {
xAux >>= 8;
result <<= 4;
}
if (xAux >= 2 ** 4) {
xAux >>= 4;
result <<= 2;
}
if (xAux >= 2 ** 2) {
result <<= 1;
}
unchecked {
result = (result + x / result) >> 1;
result = (result + x / result) >> 1;
result = (result + x / result) >> 1;
result = (result + x / result) >> 1;
result = (result + x / result) >> 1;
result = (result + x / result) >> 1;
result = (result + x / result) >> 1;
uint256 roundedResult = x / result;
if (result >= roundedResult) {
result = roundedResult;
}
}
}
文件 3 的 37：CommonEventsAndErrors.sol
pragma solidity 0.8.19;
library CommonEventsAndErrors {
error InsufficientBalance(address token, uint256 required, uint256 balance);
error InvalidToken(address token);
error InvalidParam();
error InvalidAddress(address addr);
error InvalidAmount(address token, uint256 amount);
error ExpectedNonZero();
error Slippage(uint256 minAmountExpected, uint256 actualAmount);
error IsPaused();
error UnknownExecuteError(bytes returndata);
error InvalidAccess();
error BreachedMaxTotalSupply(uint256 totalSupply, uint256 maxTotalSupply);
event TokenRecovered(address indexed to, address indexed token, uint256 amount);
}
文件 4 的 37：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 5 的 37：Counters.sol
pragma solidity ^0.8.0;
library Counters {
struct Counter {
uint256 _value;
}
function current(Counter storage counter) internal view returns (uint256) {
return counter._value;
}
function increment(Counter storage counter) internal {
unchecked {
counter._value += 1;
}
}
function decrement(Counter storage counter) internal {
uint256 value = counter._value;
require(value > 0, "Counter: decrement overflow");
unchecked {
counter._value = value - 1;
}
}
function reset(Counter storage counter) internal {
counter._value = 0;
}
}
文件 6 的 37：ECDSA.sol
pragma solidity ^0.8.0;
import "../Strings.sol";
library ECDSA {
enum RecoverError {
NoError,
InvalidSignature,
InvalidSignatureLength,
InvalidSignatureS,
InvalidSignatureV
}
function _throwError(RecoverError error) private pure {
if (error == RecoverError.NoError) {
return;
} else if (error == RecoverError.InvalidSignature) {
revert("ECDSA: invalid signature");
} else if (error == RecoverError.InvalidSignatureLength) {
revert("ECDSA: invalid signature length");
} else if (error == RecoverError.InvalidSignatureS) {
revert("ECDSA: invalid signature 's' value");
}
}
function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
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);
}
}
function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, signature);
_throwError(error);
return recovered;
}
function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError) {
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) = tryRecover(hash, r, vs);
_throwError(error);
return recovered;
}
function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address, RecoverError) {
if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
return (address(0), RecoverError.InvalidSignatureS);
}
address signer = ecrecover(hash, v, r, s);
if (signer == address(0)) {
return (address(0), RecoverError.InvalidSignature);
}
return (signer, RecoverError.NoError);
}
function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) {
(address recovered, RecoverError error) = tryRecover(hash, v, r, s);
_throwError(error);
return recovered;
}
function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
assembly {
mstore(0x00, "\x19Ethereum Signed Message:\n32")
mstore(0x1c, hash)
message := keccak256(0x00, 0x3c)
}
}
function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
}
function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
assembly {
let ptr := mload(0x40)
mstore(ptr, "\x19\x01")
mstore(add(ptr, 0x02), domainSeparator)
mstore(add(ptr, 0x22), structHash)
data := keccak256(ptr, 0x42)
}
}
function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
return keccak256(abi.encodePacked("\x19\x00", validator, data));
}
}
文件 7 的 37：EIP712.sol
pragma solidity ^0.8.8;
import "./ECDSA.sol";
import "../ShortStrings.sol";
import "../../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 ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
}
function eip712Domain()
public
view
virtual
override
returns (
bytes1 fields,
string memory name,
string memory version,
uint256 chainId,
address verifyingContract,
bytes32 salt,
uint256[] memory extensions
)
{
return (
hex"0f",
_name.toStringWithFallback(_nameFallback),
_version.toStringWithFallback(_versionFallback),
block.chainid,
address(this),
bytes32(0),
new uint256[](0)
);
}
}
文件 8 的 37：ERC20.sol
pragma solidity ^0.8.0;
import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
文件 9 的 37：ERC20Permit.sol
pragma solidity ^0.8.0;
import "./IERC20Permit.sol";
import "../ERC20.sol";
import "../../../utils/cryptography/ECDSA.sol";
import "../../../utils/cryptography/EIP712.sol";
import "../../../utils/Counters.sol";
abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712 {
using Counters for Counters.Counter;
mapping(address => Counters.Counter) private _nonces;
bytes32 private constant _PERMIT_TYPEHASH =
keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");
bytes32 private _PERMIT_TYPEHASH_DEPRECATED_SLOT;
constructor(string memory name) EIP712(name, "1") {}
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual override {
require(block.timestamp <= deadline, "ERC20Permit: expired 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);
require(signer == owner, "ERC20Permit: invalid signature");
_approve(owner, spender, value);
}
function nonces(address owner) public view virtual override returns (uint256) {
return _nonces[owner].current();
}
function DOMAIN_SEPARATOR() external view override returns (bytes32) {
return _domainSeparatorV4();
}
function _useNonce(address owner) internal virtual returns (uint256 current) {
Counters.Counter storage nonce = _nonces[owner];
current = nonce.current();
nonce.increment();
}
}
文件 10 的 37：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 11 的 37：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 12 的 37：IERC20Permit.sol
pragma solidity ^0.8.0;
interface IERC20Permit {
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
function nonces(address owner) external view returns (uint256);
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
文件 13 的 37：IERC5267.sol
pragma solidity ^0.8.0;
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 14 的 37：IMintableToken.sol
pragma solidity 0.8.19;
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { IERC20Permit } from "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol";
interface IMintableToken is IERC20, IERC20Permit {
function mint(address to, uint256 amount) external;
function burn(address account, uint256 amount) external;
}文件 15 的 37：IOrigamiElevatedAccess.sol
pragma solidity 0.8.19;
interface IOrigamiElevatedAccess {
event ExplicitAccessSet(address indexed account, bytes4 indexed fnSelector, bool indexed value);
event NewOwnerProposed(address indexed oldOwner, address indexed oldProposedOwner, address indexed newProposedOwner);
event NewOwnerAccepted(address indexed oldOwner, address indexed newOwner);
struct ExplicitAccess {
bytes4 fnSelector;
bool allowed;
}
function owner() external returns (address);
function explicitFunctionAccess(address contractAddr, bytes4 functionSelector) external returns (bool);
function proposeNewOwner(address account) external;
function acceptOwner() external;
function setExplicitAccess(address allowedCaller, ExplicitAccess[] calldata access) external;
}
文件 16 的 37：IOrigamiInvestment.sol
pragma solidity 0.8.19;
import { IERC20Metadata } from "@openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol";
import { IERC20Permit } from "@openzeppelin/contracts/token/ERC20/extensions/draft-IERC20Permit.sol";
interface IOrigamiInvestment is IERC20Metadata, IERC20Permit {
event TokenPricesSet(address indexed _tokenPrices);
event ManagerSet(address indexed manager);
event PerformanceFeeSet(uint256 fee);
function apiVersion() external pure returns (string memory);
function baseToken() external view returns (address);
event Invested(address indexed user, uint256 fromTokenAmount, address indexed fromToken, uint256 investmentAmount);
event Exited(address indexed user, uint256 investmentAmount, address indexed toToken, uint256 toTokenAmount, address indexed recipient);
error Unsupported();
function acceptedInvestTokens() external view returns (address[] memory);
function acceptedExitTokens() external view returns (address[] memory);
function areInvestmentsPaused() external view returns (bool);
function areExitsPaused() external view returns (bool);
struct InvestQuoteData {
address fromToken;
uint256 fromTokenAmount;
uint256 maxSlippageBps;
uint256 deadline;
uint256 expectedInvestmentAmount;
uint256 minInvestmentAmount;
bytes underlyingInvestmentQuoteData;
}
struct ExitQuoteData {
uint256 investmentTokenAmount;
address toToken;
uint256 maxSlippageBps;
uint256 deadline;
uint256 expectedToTokenAmount;
uint256 minToTokenAmount;
bytes underlyingInvestmentQuoteData;
}
function investQuote(
uint256 fromTokenAmount,
address fromToken,
uint256 maxSlippageBps,
uint256 deadline
) external view returns (
InvestQuoteData memory quoteData,
uint256[] memory investFeeBps
);
function investWithToken(
InvestQuoteData calldata quoteData
) external returns (
uint256 investmentAmount
);
function investWithNative(
InvestQuoteData calldata quoteData
) external payable returns (
uint256 investmentAmount
);
function exitQuote(
uint256 investmentAmount,
address toToken,
uint256 maxSlippageBps,
uint256 deadline
) external view returns (
ExitQuoteData memory quoteData,
uint256[] memory exitFeeBps
);
function exitToToken(
ExitQuoteData calldata quoteData,
address recipient
) external returns (
uint256 toTokenAmount
);
function exitToNative(
ExitQuoteData calldata quoteData,
address payable recipient
) external returns (
uint256 nativeAmount
);
function maxInvest(address fromToken) external view returns (uint256 amount);
function maxExit(address toToken) external view returns (uint256 amount);
}
文件 17 的 37：IOrigamiLovToken.sol
pragma solidity 0.8.19;
import { IOrigamiOTokenManager } from "contracts/interfaces/investments/IOrigamiOTokenManager.sol";
import { IOrigamiInvestment } from "contracts/interfaces/investments/IOrigamiInvestment.sol";
interface IOrigamiLovToken is IOrigamiInvestment {
event PerformanceFeesCollected(address indexed feeCollector, uint256 mintAmount);
event FeeCollectorSet(address indexed feeCollector);
event MaxTotalSupplySet(uint256 maxTotalSupply);
function reserveToken() external view returns (address);
function manager() external view returns (IOrigamiOTokenManager);
function setManager(address _manager) external;
function setAnnualPerformanceFee(uint48 _annualPerformanceFeeBps) external;
function setMaxTotalSupply(uint256 _maxTotalSupply) external;
function setFeeCollector(address _feeCollector) external;
function setTokenPrices(address _tokenPrices) external;
function collectPerformanceFees() external returns (uint256 amount);
function sharesToReserves(uint256 shares) external view returns (uint256);
function reservesToShares(uint256 reserves) external view returns (uint256);
function reservesPerShare() external view returns (uint256);
function totalReserves() external view returns (uint256);
function maxTotalSupply() external view returns (uint256);
function assetsAndLiabilities() external view returns (
uint256 assets,
uint256 liabilities,
uint256 ratio
);
function effectiveExposure() external view returns (uint128);
function userALRange() external view returns (uint128 floor, uint128 ceiling);
function getDynamicFeesBps() external view returns (uint256 depositFeeBps, uint256 exitFeeBps);
function feeCollector() external view returns (address);
function annualPerformanceFeeBps() external view returns (uint48);
function lastPerformanceFeeTime() external view returns (uint48);
function accruedPerformanceFee() external view returns (uint256);
}文件 18 的 37：IOrigamiLovTokenManager.sol
pragma solidity 0.8.19;
import { IOrigamiOTokenManager } from "contracts/interfaces/investments/IOrigamiOTokenManager.sol";
import { IWhitelisted } from "contracts/interfaces/common/access/IWhitelisted.sol";
import { IOrigamiOracle } from "contracts/interfaces/common/oracle/IOrigamiOracle.sol";
import { IOrigamiLovToken } from "contracts/interfaces/investments/lovToken/IOrigamiLovToken.sol";
interface IOrigamiLovTokenManager is IOrigamiOTokenManager, IWhitelisted {
event FeeConfigSet(uint16 maxExitFeeBps, uint16 minExitFeeBps, uint24 feeLeverageFactor);
event UserALRangeSet(uint128 floor, uint128 ceiling);
event RebalanceALRangeSet(uint128 floor, uint128 ceiling);
event Rebalance(
int256 collateralChange,
int256 debtChange,
uint256 alRatioBefore,
uint256 alRatioAfter
);
error ALTooLow(uint128 ratioBefore, uint128 ratioAfter, uint128 minRatio);
error ALTooHigh(uint128 ratioBefore, uint128 ratioAfter, uint128 maxRatio);
error NoAvailableReserves();
function setFeeConfig(uint16 _minDepositFeeBps, uint16 _minExitFeeBps, uint24 _feeLeverageFactor) external;
function setUserALRange(uint128 floor, uint128 ceiling) external;
function setRebalanceALRange(uint128 floor, uint128 ceiling) external;
function lovToken() external view returns (IOrigamiLovToken);
function getFeeConfig() external view returns (uint64 minDepositFeeBps, uint64 minExitFeeBps, uint64 feeLeverageFactor);
function getDynamicFeesBps() external view returns (uint256 depositFeeBps, uint256 exitFeeBps);
function userALRange() external view returns (uint128 floor, uint128 ceiling);
function rebalanceALRange() external view returns (uint128 floor, uint128 ceiling);
function PRECISION() external view returns (uint256);
function reserveToken() external view returns (address);
function debtToken() external view returns (address);
function reservesBalance() external view returns (uint256);
function liabilities(IOrigamiOracle.PriceType debtPriceType) external view returns (uint256);
function assetToLiabilityRatio() external view returns (uint128);
function assetsAndLiabilities(IOrigamiOracle.PriceType debtPriceType) external view returns (
uint256 assets,
uint256 liabilities,
uint256 ratio
);
function effectiveExposure(IOrigamiOracle.PriceType debtPriceType) external view returns (uint128);
function userRedeemableReserves(IOrigamiOracle.PriceType debtPriceType) external view returns (uint256);
function sharesToReserves(uint256 shares, IOrigamiOracle.PriceType debtPriceType) external view returns (uint256);
function reservesToShares(uint256 reserves, IOrigamiOracle.PriceType debtPriceType) external view returns (uint256);
}
文件 19 的 37：IOrigamiManagerPausable.sol
pragma solidity 0.8.19;
interface IOrigamiManagerPausable {
struct Paused {
bool investmentsPaused;
bool exitsPaused;
}
event PauserSet(address indexed account, bool canPause);
event PausedSet(Paused paused);
function pausers(address) external view returns (bool);
function setPaused(Paused memory updatedPaused) external;
function setPauser(address account, bool canPause) external;
function isPauser(address account) external view returns (bool canPause);
}
文件 20 的 37：IOrigamiOTokenManager.sol
pragma solidity 0.8.19;
import { IOrigamiInvestment } from "contracts/interfaces/investments/IOrigamiInvestment.sol";
import { IOrigamiManagerPausable } from "contracts/interfaces/investments/util/IOrigamiManagerPausable.sol";
interface IOrigamiOTokenManager is IOrigamiManagerPausable {
function baseToken() external view returns (address);
function acceptedInvestTokens() external view returns (address[] memory);
function acceptedExitTokens() external view returns (address[] memory);
function areInvestmentsPaused() external view returns (bool);
function areExitsPaused() external view returns (bool);
function investQuote(
uint256 fromTokenAmount,
address fromToken,
uint256 maxSlippageBps,
uint256 deadline
) external view returns (
IOrigamiInvestment.InvestQuoteData memory quoteData,
uint256[] memory investFeeBps
);
function investWithToken(
address account,
IOrigamiInvestment.InvestQuoteData calldata quoteData
) external returns (
uint256 investmentAmount
);
function exitQuote(
uint256 investmentAmount,
address toToken,
uint256 maxSlippageBps,
uint256 deadline
) external view returns (
IOrigamiInvestment.ExitQuoteData memory quoteData,
uint256[] memory exitFeeBps
);
function exitToToken(
address account,
IOrigamiInvestment.ExitQuoteData calldata quoteData,
address recipient
) external returns (uint256 toTokenAmount, uint256 toBurnAmount);
function maxInvest(address fromToken) external view returns (uint256 amount);
function maxExit(address toToken) external view returns (uint256 amount);
}
文件 21 的 37：IOrigamiOracle.sol
pragma solidity 0.8.19;
import { OrigamiMath } from "contracts/libraries/OrigamiMath.sol";
interface IOrigamiOracle {
error InvalidPrice(address oracle, int256 price);
error InvalidOracleData(address oracle);
error StalePrice(address oracle, uint256 lastUpdatedAt, int256 price);
error UnknownPriceType(uint8 priceType);
error BelowMinValidRange(address oracle, uint256 price, uint128 floor);
error AboveMaxValidRange(address oracle, uint256 price, uint128 ceiling);
event ValidPriceRangeSet(uint128 validFloor, uint128 validCeiling);
enum PriceType {
SPOT_PRICE,
HISTORIC_PRICE
}
function baseAsset() external view returns (address);
function quoteAsset() external view returns (address);
function decimals() external view returns (uint8);
function precision() external view returns (uint256);
function description() external view returns (string memory);
function latestPrice(
PriceType priceType,
OrigamiMath.Rounding roundingMode
) external view returns (uint256 price);
function latestPrices(
PriceType priceType1,
OrigamiMath.Rounding roundingMode1,
PriceType priceType2,
OrigamiMath.Rounding roundingMode2
) external view returns (
uint256 price1,
uint256 price2,
address oracleBaseAsset,
address oracleQuoteAsset
);
function convertAmount(
address fromAsset,
uint256 fromAssetAmount,
PriceType priceType,
OrigamiMath.Rounding roundingMode
) external view returns (uint256 toAssetAmount);
function matchAssets(address asset1, address asset2) external view returns (bool);
}
文件 22 的 37：ITokenPrices.sol
pragma solidity 0.8.19;
interface ITokenPrices {
function decimals() external view returns (uint8);
function tokenPrice(address token) external view returns (uint256 price);
function tokenPrices(address[] memory tokens) external view returns (uint256[] memory prices);
}文件 23 的 37：IWhitelisted.sol
pragma solidity 0.8.19;
interface IWhitelisted {
event AllowAllSet(bool value);
event AllowAccountSet(address indexed account, bool value);
function allowAll() external view returns (bool);
function allowedAccounts(address account) external view returns (bool allowed);
function setAllowAll(bool value) external;
function setAllowAccount(address account, bool value) external;
}
文件 24 的 37：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 25 的 37：MintableToken.sol
pragma solidity 0.8.19;
import { ERC20 } from "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import { ERC20Permit } from "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { IMintableToken } from "contracts/interfaces/common/IMintableToken.sol";
import { CommonEventsAndErrors } from "contracts/libraries/CommonEventsAndErrors.sol";
import { OrigamiElevatedAccess } from "contracts/common/access/OrigamiElevatedAccess.sol";
abstract contract MintableToken is IMintableToken, ERC20Permit, OrigamiElevatedAccess {
using SafeERC20 for IERC20;
mapping(address account => bool canMint) internal _minters;
event AddedMinter(address indexed account);
event RemovedMinter(address indexed account);
function isMinter(address account) external view returns (bool) {
return _minters[account];
}
error CannotMintOrBurn(address caller);
constructor(string memory _name, string memory _symbol, address _initialOwner)
ERC20(_name, _symbol)
ERC20Permit(_name)
OrigamiElevatedAccess(_initialOwner)
{}
function mint(address _to, uint256 _amount) external override {
if (!_minters[msg.sender]) revert CannotMintOrBurn(msg.sender);
_mint(_to, _amount);
}
function burn(address account, uint256 amount) external override {
if (!_minters[msg.sender]) revert CannotMintOrBurn(msg.sender);
_burn(account, amount);
}
function addMinter(address account) external onlyElevatedAccess {
_minters[account] = true;
emit AddedMinter(account);
}
function removeMinter(address account) external onlyElevatedAccess {
_minters[account] = false;
emit RemovedMinter(account);
}
function recoverToken(address token, address to, uint256 amount) external virtual onlyElevatedAccess {
emit CommonEventsAndErrors.TokenRecovered(to, token, amount);
IERC20(token).safeTransfer(to, amount);
}
}文件 26 的 37：OrigamiElevatedAccess.sol
pragma solidity 0.8.19;
import { OrigamiElevatedAccessBase } from "contracts/common/access/OrigamiElevatedAccessBase.sol";
abstract contract OrigamiElevatedAccess is OrigamiElevatedAccessBase {
constructor(address initialOwner) {
_init(initialOwner);
}
}
文件 27 的 37：OrigamiElevatedAccessBase.sol
pragma solidity 0.8.19;
import { IOrigamiElevatedAccess } from "contracts/interfaces/common/access/IOrigamiElevatedAccess.sol";
import { CommonEventsAndErrors } from "contracts/libraries/CommonEventsAndErrors.sol";
abstract contract OrigamiElevatedAccessBase is IOrigamiElevatedAccess {
address public override owner;
mapping(address => mapping(bytes4 => bool)) public override explicitFunctionAccess;
address private _proposedNewOwner;
function _init(address initialOwner) internal {
if (owner != address(0)) revert CommonEventsAndErrors.InvalidAccess();
if (initialOwner == address(0)) revert CommonEventsAndErrors.InvalidAddress(address(0));
owner = initialOwner;
}
function proposeNewOwner(address account) external override onlyElevatedAccess {
if (account == address(0)) revert CommonEventsAndErrors.InvalidAddress(account);
emit NewOwnerProposed(owner, _proposedNewOwner, account);
_proposedNewOwner = account;
}
function acceptOwner() external override {
if (msg.sender != _proposedNewOwner) revert CommonEventsAndErrors.InvalidAccess();
emit NewOwnerAccepted(owner, msg.sender);
owner = msg.sender;
delete _proposedNewOwner;
}
function setExplicitAccess(address allowedCaller, ExplicitAccess[] calldata access) external override onlyElevatedAccess {
if (allowedCaller == address(0)) revert CommonEventsAndErrors.InvalidAddress(allowedCaller);
ExplicitAccess memory _access;
for (uint256 i; i < access.length; ++i) {
_access = access[i];
emit ExplicitAccessSet(allowedCaller, _access.fnSelector, _access.allowed);
explicitFunctionAccess[allowedCaller][_access.fnSelector] = _access.allowed;
}
}
function isElevatedAccess(address caller, bytes4 fnSelector) internal view returns (bool) {
return (
caller == owner ||
explicitFunctionAccess[caller][fnSelector]
);
}
modifier onlyElevatedAccess() {
if (!isElevatedAccess(msg.sender, msg.sig)) revert CommonEventsAndErrors.InvalidAccess();
_;
}
}
文件 28 的 37：OrigamiInvestment.sol
pragma solidity 0.8.19;
import { IOrigamiInvestment } from "contracts/interfaces/investments/IOrigamiInvestment.sol";
import { MintableToken } from "contracts/common/MintableToken.sol";
import { ReentrancyGuard } from "@openzeppelin/contracts/security/ReentrancyGuard.sol";
abstract contract OrigamiInvestment is IOrigamiInvestment, MintableToken, ReentrancyGuard {
string public constant API_VERSION = "0.2.0";
function apiVersion() external override pure returns (string memory) {
return API_VERSION;
}
constructor(
string memory _name,
string memory _symbol,
address _initialOwner
) MintableToken(_name, _symbol, _initialOwner) {
}
}
文件 29 的 37：OrigamiLovToken.sol
pragma solidity 0.8.19;
import { SafeERC20 } from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import { IOrigamiOTokenManager } from "contracts/interfaces/investments/IOrigamiOTokenManager.sol";
import { IOrigamiLovToken } from "contracts/interfaces/investments/lovToken/IOrigamiLovToken.sol";
import { IOrigamiLovTokenManager } from "contracts/interfaces/investments/lovToken/managers/IOrigamiLovTokenManager.sol";
import { ITokenPrices } from "contracts/interfaces/common/ITokenPrices.sol";
import { IOrigamiOracle } from "contracts/interfaces/common/oracle/IOrigamiOracle.sol";
import { CommonEventsAndErrors } from "contracts/libraries/CommonEventsAndErrors.sol";
import { OrigamiInvestment } from "contracts/investments/OrigamiInvestment.sol";
import { OrigamiMath } from "contracts/libraries/OrigamiMath.sol";
contract OrigamiLovToken is IOrigamiLovToken, OrigamiInvestment {
using SafeERC20 for IERC20;
IOrigamiLovTokenManager internal lovManager;
address public override feeCollector;
uint48 public override annualPerformanceFeeBps;
uint48 public override lastPerformanceFeeTime;
ITokenPrices public tokenPrices;
uint256 public override maxTotalSupply;
constructor(
address _initialOwner,
string memory _name,
string memory _symbol,
uint48 _annualPerformanceFeeBps,
address _feeCollector,
address _tokenPrices,
uint256 _maxTotalSupply
) OrigamiInvestment(_name, _symbol, _initialOwner) {
if (_annualPerformanceFeeBps > OrigamiMath.BASIS_POINTS_DIVISOR) revert CommonEventsAndErrors.InvalidParam();
annualPerformanceFeeBps = _annualPerformanceFeeBps;
lastPerformanceFeeTime = uint48(block.timestamp);
feeCollector = _feeCollector;
tokenPrices = ITokenPrices(_tokenPrices);
maxTotalSupply = _maxTotalSupply;
}
function setManager(address _manager) external override onlyElevatedAccess {
if (_manager == address(0)) revert CommonEventsAndErrors.InvalidAddress(address(0));
emit ManagerSet(_manager);
lovManager = IOrigamiLovTokenManager(_manager);
}
function setAnnualPerformanceFee(uint48 _annualPerformanceFeeBps) external override onlyElevatedAccess {
if (_annualPerformanceFeeBps > OrigamiMath.BASIS_POINTS_DIVISOR) revert CommonEventsAndErrors.InvalidParam();
_collectPerformanceFees();
emit PerformanceFeeSet(_annualPerformanceFeeBps);
annualPerformanceFeeBps = _annualPerformanceFeeBps;
}
function setMaxTotalSupply(uint256 _maxTotalSupply) external onlyElevatedAccess {
maxTotalSupply = _maxTotalSupply;
emit MaxTotalSupplySet(_maxTotalSupply);
}
function setFeeCollector(address _feeCollector) external override onlyElevatedAccess {
if (_feeCollector == address(0)) revert CommonEventsAndErrors.InvalidAddress(address(0));
emit FeeCollectorSet(_feeCollector);
feeCollector = _feeCollector;
}
function setTokenPrices(address _tokenPrices) external override onlyElevatedAccess {
if (_tokenPrices == address(0)) revert CommonEventsAndErrors.InvalidAddress(address(0));
emit TokenPricesSet(_tokenPrices);
tokenPrices = ITokenPrices(_tokenPrices);
}
function investWithToken(
InvestQuoteData calldata quoteData
) external virtual override nonReentrant returns (uint256 investmentAmount) {
if (quoteData.fromTokenAmount == 0) revert CommonEventsAndErrors.ExpectedNonZero();
IOrigamiLovTokenManager _manager = lovManager;
IERC20(quoteData.fromToken).safeTransferFrom(msg.sender, address(_manager), quoteData.fromTokenAmount);
investmentAmount = _manager.investWithToken(msg.sender, quoteData);
emit Invested(msg.sender, quoteData.fromTokenAmount, quoteData.fromToken, investmentAmount);
if (investmentAmount != 0) {
_mint(msg.sender, investmentAmount);
if (totalSupply() > maxTotalSupply) {
revert CommonEventsAndErrors.BreachedMaxTotalSupply(totalSupply(), maxTotalSupply);
}
}
}
function exitToToken(
ExitQuoteData calldata quoteData,
address recipient
) external virtual override nonReentrant returns (
uint256 toTokenAmount
) {
if (quoteData.investmentTokenAmount == 0) revert CommonEventsAndErrors.ExpectedNonZero();
if (recipient == address(0)) revert CommonEventsAndErrors.InvalidAddress(recipient);
uint256 lovTokenToBurn;
(toTokenAmount, lovTokenToBurn) = lovManager.exitToToken(msg.sender, quoteData, recipient);
emit Exited(msg.sender, quoteData.investmentTokenAmount, quoteData.toToken, toTokenAmount, recipient);
if (lovTokenToBurn != 0) {
_burn(msg.sender, lovTokenToBurn);
}
}
function investWithNative(
InvestQuoteData calldata
) external payable virtual override returns (uint256) {
revert Unsupported();
}
function exitToNative(
ExitQuoteData calldata , address payable
) external virtual override returns (uint256 ) {
revert Unsupported();
}
function collectPerformanceFees() external override onlyElevatedAccess returns (uint256 amount) {
return _collectPerformanceFees();
}
function manager() external view returns (IOrigamiOTokenManager) {
return IOrigamiOTokenManager(address(lovManager));
}
function reserveToken() external view returns (address) {
return lovManager.reserveToken();
}
function baseToken() external virtual override view returns (address) {
return address(lovManager.baseToken());
}
function acceptedInvestTokens() external virtual override view returns (address[] memory) {
return lovManager.acceptedInvestTokens();
}
function acceptedExitTokens() external virtual override view returns (address[] memory) {
return lovManager.acceptedExitTokens();
}
function areInvestmentsPaused() external virtual override view returns (bool) {
return lovManager.areInvestmentsPaused();
}
function areExitsPaused() external virtual override view returns (bool) {
return lovManager.areExitsPaused();
}
function investQuote(
uint256 fromTokenAmount,
address fromToken,
uint256 maxSlippageBps,
uint256 deadline
) external virtual override view returns (
InvestQuoteData memory quoteData,
uint256[] memory investFeeBps
) {
(quoteData, investFeeBps) = lovManager.investQuote(fromTokenAmount, fromToken, maxSlippageBps, deadline);
}
function exitQuote(
uint256 investmentTokenAmount,
address toToken,
uint256 maxSlippageBps,
uint256 deadline
) external virtual override view returns (
ExitQuoteData memory quoteData,
uint256[] memory exitFeeBps
) {
(quoteData, exitFeeBps) = lovManager.exitQuote(investmentTokenAmount, toToken, maxSlippageBps, deadline);
}
function sharesToReserves(uint256 shares) external override view returns (uint256) {
return lovManager.sharesToReserves(shares, IOrigamiOracle.PriceType.SPOT_PRICE);
}
function reservesToShares(uint256 reserves) external override view returns (uint256) {
return lovManager.reservesToShares(reserves, IOrigamiOracle.PriceType.SPOT_PRICE);
}
function reservesPerShare() external override view returns (uint256) {
return lovManager.sharesToReserves(10 ** decimals(), IOrigamiOracle.PriceType.HISTORIC_PRICE);
}
function totalReserves() external override view returns (uint256) {
return lovManager.userRedeemableReserves(IOrigamiOracle.PriceType.SPOT_PRICE);
}
function assetsAndLiabilities() external override view returns (
uint256 ,
uint256 ,
uint256
) {
return lovManager.assetsAndLiabilities(IOrigamiOracle.PriceType.SPOT_PRICE);
}
function effectiveExposure() external override view returns (uint128 ) {
return lovManager.effectiveExposure(IOrigamiOracle.PriceType.SPOT_PRICE);
}
function userALRange() external override view returns (uint128 , uint128 ) {
return lovManager.userALRange();
}
function getDynamicFeesBps() external override view returns (uint256 depositFeeBps, uint256 exitFeeBps) {
return lovManager.getDynamicFeesBps();
}
function maxInvest(address fromToken) external override view returns (uint256) {
return lovManager.maxInvest(fromToken);
}
function maxExit(address toToken) external override view returns (uint256) {
return lovManager.maxExit(toToken);
}
function accruedPerformanceFee() public override view returns (uint256) {
uint256 _timeDelta = block.timestamp - lastPerformanceFeeTime;
return OrigamiMath.mulDiv(
totalSupply(),
annualPerformanceFeeBps * _timeDelta,
OrigamiMath.BASIS_POINTS_DIVISOR * 365 days,
OrigamiMath.Rounding.ROUND_DOWN
);
}
function _collectPerformanceFees() internal returns (uint256 amount) {
amount = accruedPerformanceFee();
if (amount != 0) {
address _feeCollector = feeCollector;
emit PerformanceFeesCollected(_feeCollector, amount);
_mint(_feeCollector, amount);
}
lastPerformanceFeeTime = uint48(block.timestamp);
}
}
文件 30 的 37：OrigamiMath.sol
pragma solidity 0.8.19;
import { mulDiv as prbMulDiv, PRBMath_MulDiv_Overflow } from "@prb/math/src/Common.sol";
import { CommonEventsAndErrors } from "contracts/libraries/CommonEventsAndErrors.sol";
library OrigamiMath {
enum Rounding {
ROUND_DOWN,
ROUND_UP
}
uint256 public constant BASIS_POINTS_DIVISOR = 10_000;
function scaleUp(uint256 amount, uint256 scalar) internal pure returns (uint256) {
return scalar == 1 ? amount : amount * scalar;
}
function scaleDown(
uint256 amount,
uint256 scalar,
Rounding roundingMode
) internal pure returns (uint256 result) {
unchecked {
if (scalar == 1) {
result = amount;
} else if (roundingMode == Rounding.ROUND_DOWN) {
result = amount / scalar;
} else {
result = amount == 0 ? 0 : (amount - 1) / scalar + 1;
}
}
}
function mulDiv(
uint256 x,
uint256 y,
uint256 denominator,
Rounding roundingMode
) internal pure returns (uint256 result) {
result = prbMulDiv(x, y, denominator);
if (roundingMode == Rounding.ROUND_UP) {
if (mulmod(x, y, denominator) != 0) {
if (result < type(uint256).max) {
unchecked {
result = result + 1;
}
} else {
revert PRBMath_MulDiv_Overflow(x, y, denominator);
}
}
}
}
function subtractBps(
uint256 inputAmount,
uint256 basisPoints,
Rounding roundingMode
) internal pure returns (uint256 result) {
uint256 numeratorBps;
unchecked {
numeratorBps = BASIS_POINTS_DIVISOR - basisPoints;
}
result = basisPoints < BASIS_POINTS_DIVISOR
? mulDiv(
inputAmount,
numeratorBps,
BASIS_POINTS_DIVISOR,
roundingMode
) : 0;
}
function addBps(
uint256 inputAmount,
uint256 basisPoints,
Rounding roundingMode
) internal pure returns (uint256 result) {
uint256 numeratorBps;
unchecked {
numeratorBps = BASIS_POINTS_DIVISOR + basisPoints;
}
result = mulDiv(
inputAmount,
numeratorBps,
BASIS_POINTS_DIVISOR,
roundingMode
);
}
function splitSubtractBps(
uint256 inputAmount,
uint256 basisPoints,
Rounding roundingMode
) internal pure returns (uint256 result, uint256 removed) {
result = subtractBps(inputAmount, basisPoints, roundingMode);
unchecked {
removed = inputAmount - result;
}
}
function inverseSubtractBps(
uint256 remainderAmount,
uint256 basisPoints,
Rounding roundingMode
) internal pure returns (uint256 result) {
if (basisPoints == 0) return remainderAmount;
if (basisPoints >= BASIS_POINTS_DIVISOR) revert CommonEventsAndErrors.InvalidParam();
uint256 denominatorBps;
unchecked {
denominatorBps = BASIS_POINTS_DIVISOR - basisPoints;
}
result = mulDiv(
remainderAmount,
BASIS_POINTS_DIVISOR,
denominatorBps,
roundingMode
);
}
}
文件 31 的 37：ReentrancyGuard.sol
pragma solidity ^0.8.0;
abstract contract ReentrancyGuard {
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
_status = _ENTERED;
}
function _nonReentrantAfter() private {
_status = _NOT_ENTERED;
}
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == _ENTERED;
}
}
文件 32 的 37：SafeERC20.sol
pragma solidity ^0.8.0;
import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
function safeApprove(IERC20 token, address spender, uint256 value) internal {
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
}
}
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
_callOptionalReturn(token, approvalCall);
}
}
function safePermit(
IERC20Permit token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
(bool success, bytes memory returndata) = address(token).call(data);
return
success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
}
}
文件 33 的 37：ShortStrings.sol
pragma solidity ^0.8.8;
import "./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 34 的 37：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 35 的 37：StorageSlot.sol
pragma solidity ^0.8.0;
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 36 的 37：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));
}
}
文件 37 的 37：draft-IERC20Permit.sol
pragma solidity ^0.8.0;
import "./IERC20Permit.sol";
{
"compilationTarget": {
"contracts/investments/lovToken/OrigamiLovToken.sol": "OrigamiLovToken"
},
"evmVersion": "paris",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 10000
},
"remappings": []
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