编译器
0.8.28+commit.7893614a
文件 1 的 18：Address.sol
pragma solidity ^0.8.20;
library Address {
error AddressInsufficientBalance(address account);
error AddressEmptyCode(address target);
error FailedInnerCall();
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert AddressInsufficientBalance(address(this));
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert FailedInnerCall();
}
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert AddressInsufficientBalance(address(this));
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
function _revert(bytes memory returndata) private pure {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert FailedInnerCall();
}
}
}
文件 2 的 18：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 3 的 18：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 4 的 18：IERC1271.sol
pragma solidity ^0.8.20;
interface IERC1271 {
function isValidSignature(bytes32 hash, bytes memory signature) external view returns (bytes4 magicValue);
}
文件 5 的 18：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 18：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 18：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 18：IZoraTokenCommunityClaim.sol
pragma solidity 0.8.28;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
interface IZoraTokenCommunityClaim {
struct AccountClaim {
uint96 allocation;
bool claimed;
}
event AllocationsSet(bytes32[] allocations);
event Claimed(address indexed account, address indexed claimTo, uint256 amount);
event AllocationSetupCompleted(uint256 totalAllocation, uint256 claimStart);
error NoAllocation();
error AlreadyClaimed();
error InvalidSignature();
error SignatureExpired(uint256 deadline, uint256 currentTime);
error InvalidToken();
error OnlyAdmin();
error OnlyAllocationSetter();
error ClaimNotOpen();
error ClaimOpened();
error AllocationSetupAlreadyCompleted();
error AllocationSetupNotCompleted();
error ClaimStartInPast(uint256 claimStart, uint256 currentTime);
function token() external view returns (IERC20);
function allocations(address user) external view returns (uint256);
function hasClaimed(address user) external view returns (bool);
function accountClaim(address account) external view returns (AccountClaim memory);
function claim(address _claimTo) external;
function claimWithSignature(address _user, address _claimTo, uint256 _deadline, bytes calldata _signature) external;
function getDomainSeparator() external view returns (bytes32);
function admin() external view returns (address);
function claimStart() external view returns (uint256);
function claimIsOpen() external view returns (bool);
function setAllocationsWithSignature(bytes32[] calldata packedData, bytes32 nonce, bytes calldata signature) external;
function setAllocations(bytes32[] calldata packedData) external;
function updateClaimStart(uint256 _claimStart) external;
function allocationSetter() external view returns (address);
function totalAllocated() external view returns (uint256);
function allocationSetupComplete() external view returns (bool);
function completeAllocationSetup(uint256 _claimStart, address transferBalanceFrom) external;
}
文件 9 的 18：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 10 的 18：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 11 的 18：SafeERC20.sol
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC20Permit} from "../extensions/IERC20Permit.sol";
import {Address} from "../../../utils/Address.sol";
library SafeERC20 {
using Address for address;
error SafeERC20FailedOperation(address token);
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
function _callOptionalReturn(IERC20 token, bytes memory data) private {
bytes memory returndata = address(token).functionCall(data);
if (returndata.length != 0 && !abi.decode(returndata, (bool))) {
revert SafeERC20FailedOperation(address(token));
}
}
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
(bool success, bytes memory returndata) = address(token).call(data);
return success && (returndata.length == 0 || abi.decode(returndata, (bool))) && address(token).code.length > 0;
}
}
文件 12 的 18：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 13 的 18：SignatureChecker.sol
pragma solidity ^0.8.20;
import {ECDSA} from "./ECDSA.sol";
import {IERC1271} from "../../interfaces/IERC1271.sol";
library SignatureChecker {
function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool) {
(address recovered, ECDSA.RecoverError error, ) = ECDSA.tryRecover(hash, signature);
return
(error == ECDSA.RecoverError.NoError && recovered == signer) ||
isValidERC1271SignatureNow(signer, hash, signature);
}
function isValidERC1271SignatureNow(
address signer,
bytes32 hash,
bytes memory signature
) internal view returns (bool) {
(bool success, bytes memory result) = signer.staticcall(
abi.encodeCall(IERC1271.isValidSignature, (hash, signature))
);
return (success &&
result.length >= 32 &&
abi.decode(result, (bytes32)) == bytes32(IERC1271.isValidSignature.selector));
}
}
文件 14 的 18：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 15 的 18：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 16 的 18：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 17 的 18：UnorderedNonces.sol
pragma solidity ^0.8.20;
abstract contract UnorderedNonces {
error InvalidAccountNonce(address account, bytes32 currentNonce);
mapping(address account => mapping(bytes32 => bool)) nonces;
function nonceUsed(address owner, bytes32 nonce) public view virtual returns (bool) {
return nonces[owner][nonce];
}
function _useCheckedNonce(address owner, bytes32 nonce) internal virtual {
if (nonces[owner][nonce]) {
revert InvalidAccountNonce(owner, nonce);
}
nonces[owner][nonce] = true;
}
}
文件 18 的 18：ZoraTokenCommunityClaim.sol
pragma solidity 0.8.28;
import {IERC20} from "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import {SignatureChecker} from "@openzeppelin/contracts/utils/cryptography/SignatureChecker.sol";
import {ECDSA} from "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
import {EIP712} from "@openzeppelin/contracts/utils/cryptography/EIP712.sol";
import {IZoraTokenCommunityClaim} from "./IZoraTokenCommunityClaim.sol";
import {UnorderedNonces} from "../utils/UnorderedNonces.sol";
contract ZoraTokenCommunityClaim is EIP712, UnorderedNonces, IZoraTokenCommunityClaim {
bytes32 private constant CLAIM_TYPEHASH = keccak256("ClaimWithSignature(address user,address claimTo,uint256 deadline)");
bytes32 private constant SET_ALLOCATIONS_TYPEHASH = keccak256("SetAllocations(bytes32[] packedData,bytes32 nonce)");
string private constant DOMAIN_NAME = "ZoraTokenCommunityClaim";
string private constant DOMAIN_VERSION = "1";
IERC20 public immutable token;
mapping(address => AccountClaim) internal accountClaims;
uint256 public totalAllocated;
bool public allocationSetupComplete;
address public immutable allocationSetter;
address public immutable admin;
uint256 public claimStart;
constructor(address _allocationSetter, address _admin, address _token) EIP712(DOMAIN_NAME, DOMAIN_VERSION) {
if (_token.code.length == 0) {
revert InvalidToken();
}
token = IERC20(_token);
allocationSetter = _allocationSetter;
admin = _admin;
}
function allocations(address account) public view virtual returns (uint256) {
return uint256(accountClaims[account].allocation);
}
function hasClaimed(address account) public view virtual returns (bool) {
return accountClaims[account].claimed;
}
function accountClaim(address account) public view virtual returns (AccountClaim memory) {
return accountClaims[account];
}
function setAllocations(bytes32[] calldata packedData) external {
_checkCanSetAllocations(msg.sender);
_setAllocations(packedData);
}
function setAllocationsWithSignature(bytes32[] calldata packedData, bytes32 nonce, bytes calldata signature) external {
bytes32 structHash = keccak256(abi.encode(SET_ALLOCATIONS_TYPEHASH, keccak256(abi.encodePacked(packedData)), nonce));
bytes32 digest = _hashTypedDataV4(structHash);
(address recovered, ECDSA.RecoverError error, ) = ECDSA.tryRecover(digest, signature);
require(error == ECDSA.RecoverError.NoError, InvalidSignature());
_checkCanSetAllocations(recovered);
_useCheckedNonce(allocationSetter, nonce);
_setAllocations(packedData);
}
function _setAllocations(bytes32[] calldata packedData) internal {
uint256 updatedTotalAllocated = totalAllocated;
for (uint256 i = 0; i < packedData.length; i++) {
address account = address(uint160(uint256(packedData[i])));
uint96 amount = uint96(uint256(packedData[i]) >> 160);
uint96 existingAllocation = accountClaims[account].allocation;
if (amount > existingAllocation) {
updatedTotalAllocated += amount - existingAllocation;
} else {
updatedTotalAllocated -= existingAllocation - amount;
}
accountClaims[account].allocation = amount;
}
totalAllocated = updatedTotalAllocated;
emit AllocationsSet(packedData);
}
function claimWithSignature(address _user, address _claimTo, uint256 _deadline, bytes calldata _signature) external override {
require(block.timestamp <= _deadline, SignatureExpired(_deadline, block.timestamp));
bytes32 structHash = keccak256(abi.encode(CLAIM_TYPEHASH, _user, _claimTo, _deadline));
bytes32 digest = _hashTypedDataV4(structHash);
require(SignatureChecker.isValidSignatureNow(_user, digest, _signature), InvalidSignature());
_claim(_user, _claimTo);
}
function completeAllocationSetup(uint256 _claimStart, address transferBalanceFrom) external {
require(msg.sender == admin, OnlyAdmin());
require(!allocationSetupComplete, AllocationSetupAlreadyCompleted());
require(_claimStart > block.timestamp, ClaimStartInPast(_claimStart, block.timestamp));
allocationSetupComplete = true;
claimStart = _claimStart;
emit AllocationSetupCompleted(totalAllocated, _claimStart);
SafeERC20.safeTransferFrom(token, transferBalanceFrom, address(this), totalAllocated);
}
function updateClaimStart(uint256 _claimStart) external {
_checkCanUpdateClaimStart(_claimStart);
claimStart = _claimStart;
}
function _checkCanUpdateClaimStart(uint256 _claimStart) internal view virtual {
require(msg.sender == admin, OnlyAdmin());
require(allocationSetupComplete, AllocationSetupNotCompleted());
require(block.timestamp < claimStart, ClaimOpened());
require(_claimStart > block.timestamp, ClaimStartInPast(_claimStart, block.timestamp));
}
function claim(address _claimTo) external override {
_claim(msg.sender, _claimTo);
}
function _claim(address _user, address _claimTo) internal {
_checkCanClaim();
if (accountClaims[_user].allocation == 0) {
revert NoAllocation();
}
if (accountClaims[_user].claimed) {
revert AlreadyClaimed();
}
uint256 amount = uint256(accountClaims[_user].allocation);
accountClaims[_user].claimed = true;
emit Claimed(_user, _claimTo, amount);
SafeERC20.safeTransfer(token, _claimTo, amount);
}
function getDomainSeparator() public view virtual returns (bytes32) {
return _domainSeparatorV4();
}
function claimIsOpen() public view returns (bool) {
return allocationSetupComplete && block.timestamp >= claimStart;
}
function _checkCanSetAllocations(address _sender) internal view virtual {
require(!allocationSetupComplete, AllocationSetupAlreadyCompleted());
require(_sender == allocationSetter, OnlyAllocationSetter());
}
function _checkCanClaim() internal view virtual {
require(allocationSetupComplete, AllocationSetupNotCompleted());
require(block.timestamp >= claimStart, ClaimNotOpen());
}
}
{
"compilationTarget": {
"src/claim/ZoraTokenCommunityClaim.sol": "ZoraTokenCommunityClaim"
},
"evmVersion": "cancun",
"libraries": {},
"metadata": {
"bytecodeHash": "ipfs"
},
"optimizer": {
"enabled": true,
"runs": 1000000
},
"remappings": [
":@openzeppelin/=node_modules/@openzeppelin/",
":ds-test/=node_modules/ds-test/src/",
":forge-std/=node_modules/forge-std/src/",
":solady/=node_modules/solady/src/",
":solemate/=/node_modules/solemate/src/",
":solmate/=node_modules/solmate/"
],
"viaIR": true
}[{"inputs":[{"internalType":"address","name":"_allocationSetter","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"address","name":"_token","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"AddressInsufficientBalance","type":"error"},{"inputs":[],"name":"AllocationSetupAlreadyCompleted","type":"error"},{"inputs":[],"name":"AllocationSetupNotCompleted","type":"error"},{"inputs":[],"name":"AlreadyClaimed","type":"error"},{"inputs":[],"name":"ClaimNotOpen","type":"error"},{"inputs":[],"name":"ClaimOpened","type":"error"},{"inputs":[{"internalType":"uint256","name":"claimStart","type":"uint256"},{"internalType":"uint256","name":"currentTime","type":"uint256"}],"name":"ClaimStartInPast","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"currentNonce","type":"bytes32"}],"name":"InvalidAccountNonce","type":"error"},{"inputs":[],"name":"InvalidShortString","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"InvalidToken","type":"error"},{"inputs":[],"name":"NoAllocation","type":"error"},{"inputs":[],"name":"OnlyAdmin","type":"error"},{"inputs":[],"name":"OnlyAllocationSetter","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"SafeERC20FailedOperation","type":"error"},{"inputs":[{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint256","name":"currentTime","type":"uint256"}],"name":"SignatureExpired","type":"error"},{"inputs":[{"internalType":"string","name":"str","type":"string"}],"name":"StringTooLong","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"totalAllocation","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"claimStart","type":"uint256"}],"name":"AllocationSetupCompleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bytes32[]","name":"allocations","type":"bytes32[]"}],"name":"AllocationsSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"claimTo","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Claimed","type":"event"},{"anonymous":false,"inputs":[],"name":"EIP712DomainChanged","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"accountClaim","outputs":[{"components":[{"internalType":"uint96","name":"allocation","type":"uint96"},{"internalType":"bool","name":"claimed","type":"bool"}],"internalType":"struct IZoraTokenCommunityClaim.AccountClaim","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allocationSetter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"allocationSetupComplete","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"allocations","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_claimTo","type":"address"}],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"claimIsOpen","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimStart","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"address","name":"_claimTo","type":"address"},{"internalType":"uint256","name":"_deadline","type":"uint256"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"claimWithSignature","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_claimStart","type":"uint256"},{"internalType":"address","name":"transferBalanceFrom","type":"address"}],"name":"completeAllocationSetup","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"eip712Domain","outputs":[{"internalType":"bytes1","name":"fields","type":"bytes1"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"version","type":"string"},{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"address","name":"verifyingContract","type":"address"},{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"uint256[]","name":"extensions","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getDomainSeparator","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"hasClaimed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"bytes32","name":"nonce","type":"bytes32"}],"name":"nonceUsed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"packedData","type":"bytes32[]"}],"name":"setAllocations","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"packedData","type":"bytes32[]"},{"internalType":"bytes32","name":"nonce","type":"bytes32"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"setAllocationsWithSignature","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"token","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalAllocated","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_claimStart","type":"uint256"}],"name":"updateClaimStart","outputs":[],"stateMutability":"nonpayable","type":"function"}]
