Polygon Sponsored slots available. Book your slot here!
More Info
Private Name Tags
ContractCreator
Latest 25 from a total of 17,153,463 transactions
Transaction Hash |
Method
|
Block
|
From
|
To
|
|||||
---|---|---|---|---|---|---|---|---|---|
Open Lootbox | 65288301 | 39 secs ago | IN | 0 POL | 0.00949213 | ||||
Open Lootbox | 65288279 | 1 min ago | IN | 0 POL | 0.01141145 | ||||
Open Lootbox | 65288265 | 1 min ago | IN | 0 POL | 0.01212721 | ||||
Open Lootbox | 65288260 | 2 mins ago | IN | 0 POL | 0.01220313 | ||||
Open Lootbox | 65288260 | 2 mins ago | IN | 0 POL | 0.01224184 | ||||
Open Lootbox | 65288259 | 2 mins ago | IN | 0 POL | 0.01256247 | ||||
Open Lootbox | 65288258 | 2 mins ago | IN | 0 POL | 0.01304395 | ||||
Open Lootbox | 65288232 | 3 mins ago | IN | 0 POL | 0.01617615 | ||||
Open Lootbox | 65288227 | 3 mins ago | IN | 0 POL | 0.01884681 | ||||
Open Lootbox | 65288217 | 3 mins ago | IN | 0 POL | 0.01944496 | ||||
Open Lootbox | 65288209 | 3 mins ago | IN | 0 POL | 0.02414378 | ||||
Open Lootbox | 65288196 | 4 mins ago | IN | 0 POL | 0.02215924 | ||||
Open Lootbox | 65288193 | 4 mins ago | IN | 0 POL | 0.02161431 | ||||
Open Lootbox | 65288187 | 4 mins ago | IN | 0 POL | 0.01697351 | ||||
Open Lootbox | 65288181 | 4 mins ago | IN | 0 POL | 0.01809217 | ||||
Open Lootbox | 65288179 | 4 mins ago | IN | 0 POL | 0.01750745 | ||||
Open Lootbox | 65288179 | 4 mins ago | IN | 0 POL | 0.01779307 | ||||
Open Lootbox | 65288159 | 5 mins ago | IN | 0 POL | 0.01530585 | ||||
Open Lootbox | 65288128 | 6 mins ago | IN | 0 POL | 0.02278525 | ||||
Open Lootbox | 65288120 | 7 mins ago | IN | 0 POL | 0.020318 | ||||
Open Lootbox | 65288099 | 7 mins ago | IN | 0 POL | 0.01687562 | ||||
Open Lootbox | 65288099 | 7 mins ago | IN | 0 POL | 0.01687562 | ||||
Open Lootbox | 65288095 | 7 mins ago | IN | 0 POL | 0.01615047 | ||||
Open Lootbox | 65288081 | 8 mins ago | IN | 0 POL | 0.01740955 | ||||
Open Lootbox | 65288066 | 8 mins ago | IN | 0 POL | 0.01716259 |
Loading...
Loading
Contract Name:
Lootbox
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
Yes with 10000 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: Apache-2.0 /* .____ ________ | | _____ ___.__. __________\_____ \ | | \__ \< | |/ __ \_ __ \_(__ < | |___ / __ \\___ \ ___/| | \/ \ |_______ (____ / ____|\___ >__| /______ / \/ \/\/ \/ \/ */ pragma solidity 0.8.20; import {ECDSA} from "@solady/src/utils/ECDSA.sol"; import {EIP712} from "@openzeppelin/contracts/utils/cryptography/EIP712.sol"; import {AccessControl} from "@openzeppelin/contracts/access/AccessControl.sol"; contract Lootbox is EIP712, AccessControl { using ECDSA for bytes32; error Lootbox__IsNotSigner(); error Lootbox__BoxAlreadyOpened(); bytes32 internal constant BOX_HASH = keccak256("BoxData(uint256 id,uint256 timestamp,address user)"); bytes32 public constant SIGNER_ROLE = keccak256("SIGNER"); mapping(uint256 => bool) internal s_boxes; event LootboxOpened(uint256 id, uint256 timestamp, address user); struct BoxData { uint256 id; uint256 timestamp; address user; } constructor(address admin, string memory signingDomain, string memory signatureVersion) EIP712(signingDomain, signatureVersion) { _grantRole(DEFAULT_ADMIN_ROLE, admin); } function openLootbox(BoxData memory data, bytes memory sig) external { _validateSignature(data, sig); emit LootboxOpened(data.id, data.timestamp, data.user); } function _validateSignature(BoxData memory data, bytes memory signature) internal { address signer = _getSigner(data, signature); if (!hasRole(SIGNER_ROLE, signer)) { revert Lootbox__IsNotSigner(); } if (s_boxes[data.id]) { revert Lootbox__BoxAlreadyOpened(); } s_boxes[data.id] = true; } function _getSigner(BoxData memory data, bytes memory sig) internal view returns (address) { bytes32 digest = _computeDigest(data); return digest.recover(sig); } function _computeDigest(BoxData memory data) internal view returns (bytes32) { return _hashTypedDataV4(keccak256(_getStructHash(data))); } function _getStructHash(BoxData memory data) internal pure returns (bytes memory) { return abi.encode(BOX_HASH, data.id, data.timestamp, data.user); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Gas optimized ECDSA wrapper. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/ECDSA.sol) /// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ECDSA.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/ECDSA.sol) /// /// @dev Note: /// - The recovery functions use the ecrecover precompile (0x1). /// - As of Solady version 0.0.68, the `recover` variants will revert upon recovery failure. /// This is for more safety by default. /// Use the `tryRecover` variants if you need to get the zero address back /// upon recovery failure instead. /// - As of Solady version 0.0.134, all `bytes signature` variants accept both /// regular 65-byte `(r, s, v)` and EIP-2098 `(r, vs)` short form signatures. /// See: https://eips.ethereum.org/EIPS/eip-2098 /// This is for calldata efficiency on smart accounts prevalent on L2s. /// /// WARNING! Do NOT use signatures as unique identifiers: /// - Use a nonce in the digest to prevent replay attacks on the same contract. /// - Use EIP-712 for the digest to prevent replay attacks across different chains and contracts. /// EIP-712 also enables readable signing of typed data for better user safety. /// This implementation does NOT check if a signature is non-malleable. library ECDSA { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The signature is invalid. error InvalidSignature(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* RECOVERY OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Recovers the signer's address from a message digest `hash`, and the `signature`. function recover(bytes32 hash, bytes memory signature) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { result := 1 let m := mload(0x40) // Cache the free memory pointer. for {} 1 {} { mstore(0x00, hash) mstore(0x40, mload(add(signature, 0x20))) // `r`. if eq(mload(signature), 64) { let vs := mload(add(signature, 0x40)) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x60, shr(1, shl(1, vs))) // `s`. break } if eq(mload(signature), 65) { mstore(0x20, byte(0, mload(add(signature, 0x60)))) // `v`. mstore(0x60, mload(add(signature, 0x40))) // `s`. break } result := 0 break } result := mload( staticcall( gas(), // Amount of gas left for the transaction. result, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x01, // Start of output. 0x20 // Size of output. ) ) // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. if iszero(returndatasize()) { mstore(0x00, 0x8baa579f) // `InvalidSignature()`. revert(0x1c, 0x04) } mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. } } /// @dev Recovers the signer's address from a message digest `hash`, and the `signature`. function recoverCalldata(bytes32 hash, bytes calldata signature) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { result := 1 let m := mload(0x40) // Cache the free memory pointer. mstore(0x00, hash) for {} 1 {} { if eq(signature.length, 64) { let vs := calldataload(add(signature.offset, 0x20)) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x40, calldataload(signature.offset)) // `r`. mstore(0x60, shr(1, shl(1, vs))) // `s`. break } if eq(signature.length, 65) { mstore(0x20, byte(0, calldataload(add(signature.offset, 0x40)))) // `v`. calldatacopy(0x40, signature.offset, 0x40) // Copy `r` and `s`. break } result := 0 break } result := mload( staticcall( gas(), // Amount of gas left for the transaction. result, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x01, // Start of output. 0x20 // Size of output. ) ) // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. if iszero(returndatasize()) { mstore(0x00, 0x8baa579f) // `InvalidSignature()`. revert(0x1c, 0x04) } mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. } } /// @dev Recovers the signer's address from a message digest `hash`, /// and the EIP-2098 short form signature defined by `r` and `vs`. function recover(bytes32 hash, bytes32 r, bytes32 vs) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x00, hash) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x40, r) mstore(0x60, shr(1, shl(1, vs))) // `s`. result := mload( staticcall( gas(), // Amount of gas left for the transaction. 1, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x01, // Start of output. 0x20 // Size of output. ) ) // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. if iszero(returndatasize()) { mstore(0x00, 0x8baa579f) // `InvalidSignature()`. revert(0x1c, 0x04) } mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. } } /// @dev Recovers the signer's address from a message digest `hash`, /// and the signature defined by `v`, `r`, `s`. function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x00, hash) mstore(0x20, and(v, 0xff)) mstore(0x40, r) mstore(0x60, s) result := mload( staticcall( gas(), // Amount of gas left for the transaction. 1, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x01, // Start of output. 0x20 // Size of output. ) ) // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. if iszero(returndatasize()) { mstore(0x00, 0x8baa579f) // `InvalidSignature()`. revert(0x1c, 0x04) } mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* TRY-RECOVER OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // WARNING! // These functions will NOT revert upon recovery failure. // Instead, they will return the zero address upon recovery failure. // It is critical that the returned address is NEVER compared against // a zero address (e.g. an uninitialized address variable). /// @dev Recovers the signer's address from a message digest `hash`, and the `signature`. function tryRecover(bytes32 hash, bytes memory signature) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { result := 1 let m := mload(0x40) // Cache the free memory pointer. for {} 1 {} { mstore(0x00, hash) mstore(0x40, mload(add(signature, 0x20))) // `r`. if eq(mload(signature), 64) { let vs := mload(add(signature, 0x40)) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x60, shr(1, shl(1, vs))) // `s`. break } if eq(mload(signature), 65) { mstore(0x20, byte(0, mload(add(signature, 0x60)))) // `v`. mstore(0x60, mload(add(signature, 0x40))) // `s`. break } result := 0 break } pop( staticcall( gas(), // Amount of gas left for the transaction. result, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x40, // Start of output. 0x20 // Size of output. ) ) mstore(0x60, 0) // Restore the zero slot. // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. result := mload(xor(0x60, returndatasize())) mstore(0x40, m) // Restore the free memory pointer. } } /// @dev Recovers the signer's address from a message digest `hash`, and the `signature`. function tryRecoverCalldata(bytes32 hash, bytes calldata signature) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { result := 1 let m := mload(0x40) // Cache the free memory pointer. mstore(0x00, hash) for {} 1 {} { if eq(signature.length, 64) { let vs := calldataload(add(signature.offset, 0x20)) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x40, calldataload(signature.offset)) // `r`. mstore(0x60, shr(1, shl(1, vs))) // `s`. break } if eq(signature.length, 65) { mstore(0x20, byte(0, calldataload(add(signature.offset, 0x40)))) // `v`. calldatacopy(0x40, signature.offset, 0x40) // Copy `r` and `s`. break } result := 0 break } pop( staticcall( gas(), // Amount of gas left for the transaction. result, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x40, // Start of output. 0x20 // Size of output. ) ) mstore(0x60, 0) // Restore the zero slot. // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. result := mload(xor(0x60, returndatasize())) mstore(0x40, m) // Restore the free memory pointer. } } /// @dev Recovers the signer's address from a message digest `hash`, /// and the EIP-2098 short form signature defined by `r` and `vs`. function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x00, hash) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x40, r) mstore(0x60, shr(1, shl(1, vs))) // `s`. pop( staticcall( gas(), // Amount of gas left for the transaction. 1, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x40, // Start of output. 0x20 // Size of output. ) ) mstore(0x60, 0) // Restore the zero slot. // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. result := mload(xor(0x60, returndatasize())) mstore(0x40, m) // Restore the free memory pointer. } } /// @dev Recovers the signer's address from a message digest `hash`, /// and the signature defined by `v`, `r`, `s`. function tryRecover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal view returns (address result) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x00, hash) mstore(0x20, and(v, 0xff)) mstore(0x40, r) mstore(0x60, s) pop( staticcall( gas(), // Amount of gas left for the transaction. 1, // Address of `ecrecover`. 0x00, // Start of input. 0x80, // Size of input. 0x40, // Start of output. 0x20 // Size of output. ) ) mstore(0x60, 0) // Restore the zero slot. // `returndatasize()` will be `0x20` upon success, and `0x00` otherwise. result := mload(xor(0x60, returndatasize())) mstore(0x40, m) // Restore the free memory pointer. } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* HASHING OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns an Ethereum Signed Message, created from a `hash`. /// This produces a hash corresponding to the one signed with the /// [`eth_sign`](https://eth.wiki/json-rpc/API#eth_sign) /// JSON-RPC method as part of EIP-191. function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 result) { /// @solidity memory-safe-assembly assembly { mstore(0x20, hash) // Store into scratch space for keccak256. mstore(0x00, "\x00\x00\x00\x00\x19Ethereum Signed Message:\n32") // 28 bytes. result := keccak256(0x04, 0x3c) // `32 * 2 - (32 - 28) = 60 = 0x3c`. } } /// @dev Returns an Ethereum Signed Message, created from `s`. /// This produces a hash corresponding to the one signed with the /// [`eth_sign`](https://eth.wiki/json-rpc/API#eth_sign) /// JSON-RPC method as part of EIP-191. /// Note: Supports lengths of `s` up to 999999 bytes. function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32 result) { /// @solidity memory-safe-assembly assembly { let sLength := mload(s) let o := 0x20 mstore(o, "\x19Ethereum Signed Message:\n") // 26 bytes, zero-right-padded. mstore(0x00, 0x00) // Convert the `s.length` to ASCII decimal representation: `base10(s.length)`. for { let temp := sLength } 1 {} { o := sub(o, 1) mstore8(o, add(48, mod(temp, 10))) temp := div(temp, 10) if iszero(temp) { break } } let n := sub(0x3a, o) // Header length: `26 + 32 - o`. // Throw an out-of-offset error (consumes all gas) if the header exceeds 32 bytes. returndatacopy(returndatasize(), returndatasize(), gt(n, 0x20)) mstore(s, or(mload(0x00), mload(n))) // Temporarily store the header. result := keccak256(add(s, sub(0x20, n)), add(n, sLength)) mstore(s, sLength) // Restore the length. } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EMPTY CALLDATA HELPERS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns an empty calldata bytes. function emptySignature() internal pure returns (bytes calldata signature) { /// @solidity memory-safe-assembly assembly { signature.length := 0 } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.20; import {MessageHashUtils} from "./MessageHashUtils.sol"; import {ShortStrings, ShortString} from "../ShortStrings.sol"; import {IERC5267} from "../../interfaces/IERC5267.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. * * @custom:oz-upgrades-unsafe-allow state-variable-immutable */ abstract contract EIP712 is IERC5267 { using ShortStrings for *; bytes32 private constant TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. 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; /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ 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); } /** * @dev Returns the domain separator for the current chain. */ 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))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev See {IERC-5267}. */ 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", // 01111 _EIP712Name(), _EIP712Version(), block.chainid, address(this), bytes32(0), new uint256[](0) ); } /** * @dev The name parameter for the EIP712 domain. * * NOTE: By default this function reads _name which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Name() internal view returns (string memory) { return _name.toStringWithFallback(_nameFallback); } /** * @dev The version parameter for the EIP712 domain. * * NOTE: By default this function reads _version which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Version() internal view returns (string memory) { return _version.toStringWithFallback(_versionFallback); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol) pragma solidity ^0.8.20; import {IAccessControl} from "./IAccessControl.sol"; import {Context} from "../utils/Context.sol"; import {ERC165} from "../utils/introspection/ERC165.sol"; /** * @dev Contract module that allows children to implement role-based access * control mechanisms. This is a lightweight version that doesn't allow enumerating role * members except through off-chain means by accessing the contract event logs. Some * applications may benefit from on-chain enumerability, for those cases see * {AccessControlEnumerable}. * * Roles are referred to by their `bytes32` identifier. These should be exposed * in the external API and be unique. The best way to achieve this is by * using `public constant` hash digests: * * ```solidity * bytes32 public constant MY_ROLE = keccak256("MY_ROLE"); * ``` * * Roles can be used to represent a set of permissions. To restrict access to a * function call, use {hasRole}: * * ```solidity * function foo() public { * require(hasRole(MY_ROLE, msg.sender)); * ... * } * ``` * * Roles can be granted and revoked dynamically via the {grantRole} and * {revokeRole} functions. Each role has an associated admin role, and only * accounts that have a role's admin role can call {grantRole} and {revokeRole}. * * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means * that only accounts with this role will be able to grant or revoke other * roles. More complex role relationships can be created by using * {_setRoleAdmin}. * * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to * grant and revoke this role. Extra precautions should be taken to secure * accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules} * to enforce additional security measures for this role. */ abstract contract AccessControl is Context, IAccessControl, ERC165 { struct RoleData { mapping(address account => bool) hasRole; bytes32 adminRole; } mapping(bytes32 role => RoleData) private _roles; bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00; /** * @dev Modifier that checks that an account has a specific role. Reverts * with an {AccessControlUnauthorizedAccount} error including the required role. */ modifier onlyRole(bytes32 role) { _checkRole(role); _; } /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId); } /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) public view virtual returns (bool) { return _roles[role].hasRole[account]; } /** * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()` * is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier. */ function _checkRole(bytes32 role) internal view virtual { _checkRole(role, _msgSender()); } /** * @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account` * is missing `role`. */ function _checkRole(bytes32 role, address account) internal view virtual { if (!hasRole(role, account)) { revert AccessControlUnauthorizedAccount(account, role); } } /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) { return _roles[role].adminRole; } /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleGranted} event. */ function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) { _grantRole(role, account); } /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. * * May emit a {RoleRevoked} event. */ function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) { _revokeRole(role, account); } /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been revoked `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `callerConfirmation`. * * May emit a {RoleRevoked} event. */ function renounceRole(bytes32 role, address callerConfirmation) public virtual { if (callerConfirmation != _msgSender()) { revert AccessControlBadConfirmation(); } _revokeRole(role, callerConfirmation); } /** * @dev Sets `adminRole` as ``role``'s admin role. * * Emits a {RoleAdminChanged} event. */ function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual { bytes32 previousAdminRole = getRoleAdmin(role); _roles[role].adminRole = adminRole; emit RoleAdminChanged(role, previousAdminRole, adminRole); } /** * @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted. * * Internal function without access restriction. * * May emit a {RoleGranted} event. */ function _grantRole(bytes32 role, address account) internal virtual returns (bool) { if (!hasRole(role, account)) { _roles[role].hasRole[account] = true; emit RoleGranted(role, account, _msgSender()); return true; } else { return false; } } /** * @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked. * * Internal function without access restriction. * * May emit a {RoleRevoked} event. */ function _revokeRole(bytes32 role, address account) internal virtual returns (bool) { if (hasRole(role, account)) { _roles[role].hasRole[account] = false; emit RoleRevoked(role, account, _msgSender()); return true; } else { return false; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol) pragma solidity ^0.8.20; import {Strings} from "../Strings.sol"; /** * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. * * The library provides methods for generating a hash of a message that conforms to the * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] * specifications. */ library MessageHashUtils { /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing a bytes32 `messageHash` with * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with * keccak256, although any bytes32 value can be safely used because the final digest will * be re-hashed. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) { /// @solidity memory-safe-assembly assembly { mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20) } } /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing an arbitrary `message` with * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) { return keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message)); } /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x00` (data with intended validator). * * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended * `validator` address. Then hashing the result. * * See {ECDSA-recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked(hex"19_00", validator, data)); } /** * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`). * * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with * `\x19\x01` and hashing the result. It corresponds to the hash signed by the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712. * * See {ECDSA-recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) { /// @solidity memory-safe-assembly assembly { let ptr := mload(0x40) mstore(ptr, hex"19_01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) digest := keccak256(ptr, 0x42) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol) pragma solidity ^0.8.20; import {StorageSlot} from "./StorageSlot.sol"; // | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA | // | length | 0x BB | type ShortString is bytes32; /** * @dev This library provides functions to convert short memory strings * into a `ShortString` type that can be used as an immutable variable. * * Strings of arbitrary length can be optimized using this library if * they are short enough (up to 31 bytes) by packing them with their * length (1 byte) in a single EVM word (32 bytes). Additionally, a * fallback mechanism can be used for every other case. * * Usage example: * * ```solidity * contract Named { * using ShortStrings for *; * * ShortString private immutable _name; * string private _nameFallback; * * constructor(string memory contractName) { * _name = contractName.toShortStringWithFallback(_nameFallback); * } * * function name() external view returns (string memory) { * return _name.toStringWithFallback(_nameFallback); * } * } * ``` */ library ShortStrings { // Used as an identifier for strings longer than 31 bytes. bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF; error StringTooLong(string str); error InvalidShortString(); /** * @dev Encode a string of at most 31 chars into a `ShortString`. * * This will trigger a `StringTooLong` error is the input string is too long. */ 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)); } /** * @dev Decode a `ShortString` back to a "normal" string. */ function toString(ShortString sstr) internal pure returns (string memory) { uint256 len = byteLength(sstr); // using `new string(len)` would work locally but is not memory safe. string memory str = new string(32); /// @solidity memory-safe-assembly assembly { mstore(str, len) mstore(add(str, 0x20), sstr) } return str; } /** * @dev Return the length of a `ShortString`. */ function byteLength(ShortString sstr) internal pure returns (uint256) { uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF; if (result > 31) { revert InvalidShortString(); } return result; } /** * @dev Encode a string into a `ShortString`, or write it to storage if it is too long. */ 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); } } /** * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}. */ function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return toString(value); } else { return store; } } /** * @dev Return the length of a string that was encoded to `ShortString` or written to storage using * {setWithFallback}. * * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of * actual characters as the UTF-8 encoding of a single character can span over multiple bytes. */ 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; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol) pragma solidity ^0.8.20; interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/IAccessControl.sol) pragma solidity ^0.8.20; /** * @dev External interface of AccessControl declared to support ERC165 detection. */ interface IAccessControl { /** * @dev The `account` is missing a role. */ error AccessControlUnauthorizedAccount(address account, bytes32 neededRole); /** * @dev The caller of a function is not the expected one. * * NOTE: Don't confuse with {AccessControlUnauthorizedAccount}. */ error AccessControlBadConfirmation(); /** * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole` * * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite * {RoleAdminChanged} not being emitted signaling this. */ event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole); /** * @dev Emitted when `account` is granted `role`. * * `sender` is the account that originated the contract call, an admin role * bearer except when using {AccessControl-_setupRole}. */ event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Emitted when `account` is revoked `role`. * * `sender` is the account that originated the contract call: * - if using `revokeRole`, it is the admin role bearer * - if using `renounceRole`, it is the role bearer (i.e. `account`) */ event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender); /** * @dev Returns `true` if `account` has been granted `role`. */ function hasRole(bytes32 role, address account) external view returns (bool); /** * @dev Returns the admin role that controls `role`. See {grantRole} and * {revokeRole}. * * To change a role's admin, use {AccessControl-_setRoleAdmin}. */ function getRoleAdmin(bytes32 role) external view returns (bytes32); /** * @dev Grants `role` to `account`. * * If `account` had not been already granted `role`, emits a {RoleGranted} * event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function grantRole(bytes32 role, address account) external; /** * @dev Revokes `role` from `account`. * * If `account` had been granted `role`, emits a {RoleRevoked} event. * * Requirements: * * - the caller must have ``role``'s admin role. */ function revokeRole(bytes32 role, address account) external; /** * @dev Revokes `role` from the calling account. * * Roles are often managed via {grantRole} and {revokeRole}: this function's * purpose is to provide a mechanism for accounts to lose their privileges * if they are compromised (such as when a trusted device is misplaced). * * If the calling account had been granted `role`, emits a {RoleRevoked} * event. * * Requirements: * * - the caller must be `callerConfirmation`. */ function renounceRole(bytes32 role, address callerConfirmation) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol) pragma solidity ^0.8.20; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol) pragma solidity ^0.8.20; import {IERC165} from "./IERC165.sol"; /** * @dev Implementation of the {IERC165} interface. * * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check * for the additional interface id that will be supported. For example: * * ```solidity * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) { * return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId); * } * ``` */ abstract contract ERC165 is IERC165 { /** * @dev See {IERC165-supportsInterface}. */ function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) { return interfaceId == type(IERC165).interfaceId; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ 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); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ 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)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` */ 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; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC165 standard, as defined in the * https://eips.ethereum.org/EIPS/eip-165[EIP]. * * Implementers can declare support of contract interfaces, which can then be * queried by others ({ERC165Checker}). * * For an implementation, see {ERC165}. */ interface IERC165 { /** * @dev Returns true if this contract implements the interface defined by * `interfaceId`. See the corresponding * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section] * to learn more about how these ids are created. * * This function call must use less than 30 000 gas. */ function supportsInterface(bytes4 interfaceId) external view returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ 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); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ 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; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. 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); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 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; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 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; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ 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; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ 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); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
{ "remappings": [ "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/", "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/", "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/", "openzeppelin-foundry-upgrades/=lib/openzeppelin-foundry-upgrades/src/", "@imtbl/contracts/=lib/contracts/", "@solady/src/=lib/solady/src/", "@axelar-network/axelar-gmp-sdk-solidity/=lib/contracts/lib/axelar-gmp-sdk-solidity/", "@rari-capital/solmate/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/lib/solmate/", "axelar-gmp-sdk-solidity/=lib/contracts/lib/axelar-gmp-sdk-solidity/contracts/", "contracts/=lib/contracts/contracts/", "ds-test/=lib/forge-std/lib/ds-test/src/", "forge-std/=lib/forge-std/src/", "foundry-devops/=lib/foundry-devops/", "immutable-seaport-1.5.0+im1.3/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/", "immutable-seaport-core-1.5.0+im1/=lib/contracts/lib/immutable-seaport-core-1.5.0+im1/src/", "murky/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/lib/murky/src/", "openzeppelin-contracts-4.9.3/=lib/contracts/lib/openzeppelin-contracts-4.9.3/", "openzeppelin-contracts-5.0.2/=lib/contracts/lib/openzeppelin-contracts-5.0.2/", "openzeppelin-contracts-upgradeable-4.9.3/=lib/contracts/lib/openzeppelin-contracts-upgradeable-4.9.3/", "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/", "openzeppelin-contracts/=lib/openzeppelin-contracts/", "openzeppelin/=lib/contracts/lib/openzeppelin-contracts-upgradeable-4.9.3/contracts/", "seaport-core/=lib/contracts/lib/immutable-seaport-core-1.5.0+im1/", "seaport-sol/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/lib/seaport-sol/", "seaport-types/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/lib/seaport-types/", "seaport/contracts/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/contracts/", "solady/=lib/solady/", "solarray/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/lib/solarray/src/", "solidity-bits/=lib/contracts/lib/solidity-bits/", "solidity-bytes-utils/=lib/contracts/lib/solidity-bytes-utils/", "solidity-stringutils/=lib/openzeppelin-foundry-upgrades/lib/solidity-stringutils/", "solmate/=lib/contracts/lib/immutable-seaport-1.5.0+im1.3/lib/solmate/src/" ], "optimizer": { "enabled": true, "runs": 10000 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "ipfs", "appendCBOR": true }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": false, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"string","name":"signingDomain","type":"string"},{"internalType":"string","name":"signatureVersion","type":"string"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"inputs":[],"name":"InvalidShortString","type":"error"},{"inputs":[],"name":"Lootbox__BoxAlreadyOpened","type":"error"},{"inputs":[],"name":"Lootbox__IsNotSigner","type":"error"},{"inputs":[{"internalType":"string","name":"str","type":"string"}],"name":"StringTooLong","type":"error"},{"anonymous":false,"inputs":[],"name":"EIP712DomainChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"},{"indexed":false,"internalType":"address","name":"user","type":"address"}],"name":"LootboxOpened","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SIGNER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","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":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"timestamp","type":"uint256"},{"internalType":"address","name":"user","type":"address"}],"internalType":"struct Lootbox.BoxData","name":"data","type":"tuple"},{"internalType":"bytes","name":"sig","type":"bytes"}],"name":"openLootbox","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"callerConfirmation","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]
Contract Creation Code
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
Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000f1c0df2381ac4a6cac9c866ddbde3c3d641a1337000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000000064c4159455233000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000013100000000000000000000000000000000000000000000000000000000000000
-----Decoded View---------------
Arg [0] : admin (address): 0xF1C0dF2381Ac4a6Cac9C866DdbdE3c3D641a1337
Arg [1] : signingDomain (string): LAYER3
Arg [2] : signatureVersion (string): 1
-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 000000000000000000000000f1c0df2381ac4a6cac9c866ddbde3c3d641a1337
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000006
Arg [4] : 4c41594552330000000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000001
Arg [6] : 3100000000000000000000000000000000000000000000000000000000000000
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.