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Latest 25 from a total of 31 transactions
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Mint Badge | 4948678 | 31 hrs ago | IN | 0 ETH | 0.00000888 | ||||
Mint Badge | 4925885 | 39 hrs ago | IN | 0 ETH | 0.00000426 | ||||
Mint Badge | 4921724 | 41 hrs ago | IN | 0 ETH | 0.00000295 | ||||
Mint Badge | 4921720 | 41 hrs ago | IN | 0 ETH | 0.00000295 | ||||
Mint Badge | 4921716 | 41 hrs ago | IN | 0 ETH | 0.00000386 | ||||
Mint Badge | 4897345 | 2 days ago | IN | 0 ETH | 0.00001213 | ||||
Mint Badge | 4862081 | 2 days ago | IN | 0 ETH | 0.00000384 | ||||
Mint Badge | 4848536 | 2 days ago | IN | 0 ETH | 0.00000288 | ||||
Mint Badge | 4848455 | 2 days ago | IN | 0 ETH | 0.00000288 | ||||
Mint Badge | 4848372 | 2 days ago | IN | 0 ETH | 0.00000458 | ||||
Mint Badge | 4838109 | 2 days ago | IN | 0 ETH | 0.00000417 | ||||
Mint Badge | 4821167 | 3 days ago | IN | 0 ETH | 0.00000409 | ||||
Mint Badge | 4754911 | 4 days ago | IN | 0 ETH | 0.00000288 | ||||
Mint Badge | 4754909 | 4 days ago | IN | 0 ETH | 0.00000333 | ||||
Mint Badge | 4738893 | 4 days ago | IN | 0 ETH | 0.00000298 | ||||
Mint Badge | 4738890 | 4 days ago | IN | 0 ETH | 0.00000342 | ||||
Mint Badge | 4735802 | 4 days ago | IN | 0 ETH | 0.00000311 | ||||
Mint Badge | 4735773 | 4 days ago | IN | 0 ETH | 0.00000311 | ||||
Mint Badge | 4735769 | 4 days ago | IN | 0 ETH | 0.00000434 | ||||
Mint Badge | 4734581 | 4 days ago | IN | 0 ETH | 0.00000305 | ||||
Mint Badge | 4734578 | 4 days ago | IN | 0 ETH | 0.00000426 | ||||
Mint Badge | 4733727 | 4 days ago | IN | 0 ETH | 0.00000332 | ||||
Mint Badge | 4733721 | 4 days ago | IN | 0 ETH | 0.00000467 | ||||
Mint Badge | 4729028 | 4 days ago | IN | 0 ETH | 0.00000422 | ||||
Mint Badge | 4698840 | 4 days ago | IN | 0 ETH | 0.00000289 |
Latest 25 internal transactions (View All)
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4948678 | 31 hrs ago | 0 ETH | ||||
4948678 | 31 hrs ago | 0 ETH | ||||
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4921724 | 41 hrs ago | 0 ETH |
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Contract Source Code Verified (Exact Match)
Contract Name:
SignatureMinter
Compiler Version
v0.8.26+commit.8a97fa7a
ZkSolc Version
v1.5.7
Optimization Enabled:
Yes with Mode 3
Other Settings:
cancun EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.26; import {AbstractBadge} from "./AbstractBadge.sol"; import {SignatureCheckerLib} from "@solady-0.0.232/src/utils/SignatureCheckerLib.sol"; import {Ownable} from "@solady-0.0.232/src/auth/Ownable.sol"; import {EIP712} from "@solady-0.0.232/src/utils/EIP712.sol"; contract SignatureMinter is Ownable, EIP712 { error InvalidSignature(); AbstractBadge immutable badge; bytes32 public constant MINT_TYPEHASH = keccak256("Mint(address to,uint256 tokenId)"); address public signer; constructor(AbstractBadge _badge) { _initializeOwner(msg.sender); badge = _badge; } function mintBadge(address account, uint256 tokenId, bytes calldata signature) public { bytes32 messageHash = _hashTypedData(keccak256(abi.encode(MINT_TYPEHASH, account, tokenId))); if (!SignatureCheckerLib.isValidSignatureNowCalldata(signer, messageHash, signature)) { revert InvalidSignature(); } badge.mint(account, tokenId); } function setSigner(address _signer) public onlyOwner { signer = _signer; } function _domainNameAndVersion() internal pure override returns (string memory, string memory) { return ("SignatureMinter", "1"); } }
// SPDX-License-Identifier: MIT pragma solidity 0.8.26; import {ITokenRenderer} from "./interfaces/ITokenRenderer.sol"; import {ERC1155} from "@solady-0.0.232/src/tokens/ERC1155.sol"; import {OwnableRoles} from "@solady-0.0.232/src/auth/OwnableRoles.sol"; contract AbstractBadge is ERC1155, OwnableRoles { error Soulbound(); error AlreadyMinted(); error InvalidQuantity(); uint256 public constant MINTER_ROLE = _ROLE_0; ITokenRenderer public renderer; constructor(ITokenRenderer _renderer, address owner) { renderer = _renderer; _initializeOwner(owner); } function name() public view virtual returns (string memory) { return "Abstract Badges"; } function symbol() public view virtual returns (string memory) { return "BADGE"; } function uri(uint256 id) public view virtual override returns (string memory) { return renderer.tokenURI(id); } function setRenderer(ITokenRenderer _renderer) public onlyOwner { renderer = _renderer; } function mint(address account, uint256 id) public onlyRoles(MINTER_ROLE) { _mint(account, id, 1, ""); } function _beforeTokenTransfer(address from, address to, uint256[] memory ids, uint256[] memory, bytes memory) internal view override { if (from != address(0)) { revert Soulbound(); } if (ids.length != 1) { revert InvalidQuantity(); } if (balanceOf(to, ids[0]) > 0) { revert AlreadyMinted(); } } function _useBeforeTokenTransfer() internal pure override returns (bool) { return true; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Signature verification helper that supports both ECDSA signatures from EOAs /// and ERC1271 signatures from smart contract wallets like Argent and Gnosis safe. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SignatureCheckerLib.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/SignatureChecker.sol) /// /// @dev Note: /// - The signature checking functions use the ecrecover precompile (0x1). /// - The `bytes memory signature` variants use the identity precompile (0x4) /// to copy memory internally. /// - Unlike ECDSA signatures, contract signatures are revocable. /// - 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 SignatureCheckerLib { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* SIGNATURE CHECKING OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns whether `signature` is valid for `signer` and `hash`. /// If `signer` is a smart contract, the signature is validated with ERC1271. /// Otherwise, the signature is validated with `ECDSA.recover`. function isValidSignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { // Clean the upper 96 bits of `signer` in case they are dirty. for { signer := shr(96, shl(96, signer)) } signer {} { let m := mload(0x40) 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`. let t := 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(or(iszero(returndatasize()), xor(signer, mload(t)))) { isValid := 1 mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } } if eq(mload(signature), 65) { mstore(0x20, byte(0, mload(add(signature, 0x60)))) // `v`. mstore(0x60, mload(add(signature, 0x40))) // `s`. let t := 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(or(iszero(returndatasize()), xor(signer, mload(t)))) { isValid := 1 mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } } mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. // Copy the `signature` over. let n := add(0x20, mload(signature)) pop(staticcall(gas(), 4, signature, n, add(m, 0x44), n)) // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. add(returndatasize(), 0x44), // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) break } } } /// @dev Returns whether `signature` is valid for `signer` and `hash`. /// If `signer` is a smart contract, the signature is validated with ERC1271. /// Otherwise, the signature is validated with `ECDSA.recover`. function isValidSignatureNowCalldata(address signer, bytes32 hash, bytes calldata signature) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { // Clean the upper 96 bits of `signer` in case they are dirty. for { signer := shr(96, shl(96, signer)) } signer {} { let m := mload(0x40) mstore(0x00, hash) 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`. let t := 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(or(iszero(returndatasize()), xor(signer, mload(t)))) { isValid := 1 mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } } if eq(signature.length, 65) { mstore(0x20, byte(0, calldataload(add(signature.offset, 0x40)))) // `v`. calldatacopy(0x40, signature.offset, 0x40) // `r`, `s`. let t := 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(or(iszero(returndatasize()), xor(signer, mload(t)))) { isValid := 1 mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } } mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. mstore(add(m, 0x44), signature.length) // Copy the `signature` over. calldatacopy(add(m, 0x64), signature.offset, signature.length) // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. add(signature.length, 0x64), // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) break } } } /// @dev Returns whether the signature (`r`, `vs`) is valid for `signer` and `hash`. /// If `signer` is a smart contract, the signature is validated with ERC1271. /// Otherwise, the signature is validated with `ECDSA.recover`. function isValidSignatureNow(address signer, bytes32 hash, bytes32 r, bytes32 vs) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { // Clean the upper 96 bits of `signer` in case they are dirty. for { signer := shr(96, shl(96, signer)) } signer {} { let m := mload(0x40) mstore(0x00, hash) mstore(0x20, add(shr(255, vs), 27)) // `v`. mstore(0x40, r) // `r`. mstore(0x60, shr(1, shl(1, vs))) // `s`. let t := 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(or(iszero(returndatasize()), xor(signer, mload(t)))) { isValid := 1 mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. mstore(add(m, 0x44), 65) // Length of the signature. mstore(add(m, 0x64), r) // `r`. mstore(add(m, 0x84), mload(0x60)) // `s`. mstore8(add(m, 0xa4), mload(0x20)) // `v`. // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. 0xa5, // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } } } /// @dev Returns whether the signature (`v`, `r`, `s`) is valid for `signer` and `hash`. /// If `signer` is a smart contract, the signature is validated with ERC1271. /// Otherwise, the signature is validated with `ECDSA.recover`. function isValidSignatureNow(address signer, bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { // Clean the upper 96 bits of `signer` in case they are dirty. for { signer := shr(96, shl(96, signer)) } signer {} { let m := mload(0x40) mstore(0x00, hash) mstore(0x20, and(v, 0xff)) // `v`. mstore(0x40, r) // `r`. mstore(0x60, s) // `s`. let t := 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(or(iszero(returndatasize()), xor(signer, mload(t)))) { isValid := 1 mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. mstore(add(m, 0x44), 65) // Length of the signature. mstore(add(m, 0x64), r) // `r`. mstore(add(m, 0x84), s) // `s`. mstore8(add(m, 0xa4), v) // `v`. // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. 0xa5, // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) mstore(0x60, 0) // Restore the zero slot. mstore(0x40, m) // Restore the free memory pointer. break } } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERC1271 OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // Note: These ERC1271 operations do NOT have an ECDSA fallback. // These functions are intended to be used with the regular `isValidSignatureNow` functions // or other signature verification functions (e.g. P256). /// @dev Returns whether `signature` is valid for `hash` for an ERC1271 `signer` contract. function isValidERC1271SignatureNow(address signer, bytes32 hash, bytes memory signature) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. // Copy the `signature` over. let n := add(0x20, mload(signature)) pop(staticcall(gas(), 4, signature, n, add(m, 0x44), n)) // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. add(returndatasize(), 0x44), // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) } } /// @dev Returns whether `signature` is valid for `hash` for an ERC1271 `signer` contract. function isValidERC1271SignatureNowCalldata( address signer, bytes32 hash, bytes calldata signature ) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. mstore(add(m, 0x44), signature.length) // Copy the `signature` over. calldatacopy(add(m, 0x64), signature.offset, signature.length) // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. add(signature.length, 0x64), // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) } } /// @dev Returns whether the signature (`r`, `vs`) is valid for `hash` /// for an ERC1271 `signer` contract. function isValidERC1271SignatureNow(address signer, bytes32 hash, bytes32 r, bytes32 vs) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. mstore(add(m, 0x44), 65) // Length of the signature. mstore(add(m, 0x64), r) // `r`. mstore(add(m, 0x84), shr(1, shl(1, vs))) // `s`. mstore8(add(m, 0xa4), add(shr(255, vs), 27)) // `v`. // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. 0xa5, // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) } } /// @dev Returns whether the signature (`v`, `r`, `s`) is valid for `hash` /// for an ERC1271 `signer` contract. function isValidERC1271SignatureNow(address signer, bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal view returns (bool isValid) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) let f := shl(224, 0x1626ba7e) mstore(m, f) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m, 0x04), hash) let d := add(m, 0x24) mstore(d, 0x40) // The offset of the `signature` in the calldata. mstore(add(m, 0x44), 65) // Length of the signature. mstore(add(m, 0x64), r) // `r`. mstore(add(m, 0x84), s) // `s`. mstore8(add(m, 0xa4), v) // `v`. // forgefmt: disable-next-item isValid := and( // Whether the returndata is the magic value `0x1626ba7e` (left-aligned). eq(mload(d), f), // Whether the staticcall does not revert. // This must be placed at the end of the `and` clause, // as the arguments are evaluated from right to left. staticcall( gas(), // Remaining gas. signer, // The `signer` address. m, // Offset of calldata in memory. 0xa5, // Length of calldata in memory. d, // Offset of returndata. 0x20 // Length of returndata to write. ) ) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERC6492 OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // Note: These ERC6492 operations do NOT have an ECDSA fallback. // These functions are intended to be used with the regular `isValidSignatureNow` functions // or other signature verification functions (e.g. P256). // The calldata variants are excluded for brevity. /// @dev Returns whether `signature` is valid for `hash`. /// If the signature is postfixed with the ERC6492 magic number, it will attempt to /// deploy / prepare the `signer` smart account before doing a regular ERC1271 check. /// Note: This function is NOT reentrancy safe. function isValidERC6492SignatureNowAllowSideEffects( address signer, bytes32 hash, bytes memory signature ) internal returns (bool isValid) { /// @solidity memory-safe-assembly assembly { function callIsValidSignature(signer_, hash_, signature_) -> _isValid { let m_ := mload(0x40) let f_ := shl(224, 0x1626ba7e) mstore(m_, f_) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m_, 0x04), hash_) let d_ := add(m_, 0x24) mstore(d_, 0x40) // The offset of the `signature` in the calldata. let n_ := add(0x20, mload(signature_)) pop(staticcall(gas(), 4, signature_, n_, add(m_, 0x44), n_)) _isValid := and( eq(mload(d_), f_), staticcall(gas(), signer_, m_, add(returndatasize(), 0x44), d_, 0x20) ) } for { let n := mload(signature) } 1 {} { if iszero(eq(mload(add(signature, n)), mul(0x6492, div(not(isValid), 0xffff)))) { isValid := callIsValidSignature(signer, hash, signature) break } let o := add(signature, 0x20) // Signature bytes. let d := add(o, mload(add(o, 0x20))) // Factory calldata. if iszero(extcodesize(signer)) { if iszero(call(gas(), mload(o), 0, add(d, 0x20), mload(d), codesize(), 0x00)) { break } } let s := add(o, mload(add(o, 0x40))) // Inner signature. isValid := callIsValidSignature(signer, hash, s) if iszero(isValid) { if call(gas(), mload(o), 0, add(d, 0x20), mload(d), codesize(), 0x00) { isValid := callIsValidSignature(signer, hash, s) } } break } } } /// @dev Returns whether `signature` is valid for `hash`. /// If the signature is postfixed with the ERC6492 magic number, it will attempt /// to use a reverting verifier to deploy / prepare the `signer` smart account /// and do a `isValidSignature` check via the reverting verifier. /// Note: This function is reentrancy safe. /// The reverting verifier must be deployed. /// Otherwise, the function will return false if `signer` is not yet deployed / prepared. /// See: https://gist.github.com/Vectorized/846a474c855eee9e441506676800a9ad function isValidERC6492SignatureNow(address signer, bytes32 hash, bytes memory signature) internal returns (bool isValid) { /// @solidity memory-safe-assembly assembly { function callIsValidSignature(signer_, hash_, signature_) -> _isValid { let m_ := mload(0x40) let f_ := shl(224, 0x1626ba7e) mstore(m_, f_) // `bytes4(keccak256("isValidSignature(bytes32,bytes)"))`. mstore(add(m_, 0x04), hash_) let d_ := add(m_, 0x24) mstore(d_, 0x40) // The offset of the `signature` in the calldata. let n_ := add(0x20, mload(signature_)) pop(staticcall(gas(), 4, signature_, n_, add(m_, 0x44), n_)) _isValid := and( eq(mload(d_), f_), staticcall(gas(), signer_, m_, add(returndatasize(), 0x44), d_, 0x20) ) } for { let n := mload(signature) } 1 {} { if iszero(eq(mload(add(signature, n)), mul(0x6492, div(not(isValid), 0xffff)))) { isValid := callIsValidSignature(signer, hash, signature) break } if extcodesize(signer) { let o := add(signature, 0x20) // Signature bytes. isValid := callIsValidSignature(signer, hash, add(o, mload(add(o, 0x40)))) if isValid { break } } let m := mload(0x40) mstore(m, signer) mstore(add(m, 0x20), hash) let willBeZeroIfRevertingVerifierExists := call( gas(), // Remaining gas. 0x00007bd799e4A591FeA53f8A8a3E9f931626Ba7e, // Reverting verifier. 0, // Send zero ETH. m, // Start of memory. add(returndatasize(), 0x40), // Length of calldata in memory. staticcall(gas(), 4, add(signature, 0x20), n, add(m, 0x40), n), // 1. 0x00 // Length of returndata to write. ) isValid := gt(returndatasize(), willBeZeroIfRevertingVerifierExists) break } } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* 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 pragma solidity ^0.8.4; /// @notice Simple single owner authorization mixin. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol) /// /// @dev Note: /// This implementation does NOT auto-initialize the owner to `msg.sender`. /// You MUST call the `_initializeOwner` in the constructor / initializer. /// /// While the ownable portion follows /// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility, /// the nomenclature for the 2-step ownership handover may be unique to this codebase. abstract contract Ownable { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The caller is not authorized to call the function. error Unauthorized(); /// @dev The `newOwner` cannot be the zero address. error NewOwnerIsZeroAddress(); /// @dev The `pendingOwner` does not have a valid handover request. error NoHandoverRequest(); /// @dev Cannot double-initialize. error AlreadyInitialized(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The ownership is transferred from `oldOwner` to `newOwner`. /// This event is intentionally kept the same as OpenZeppelin's Ownable to be /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173), /// despite it not being as lightweight as a single argument event. event OwnershipTransferred(address indexed oldOwner, address indexed newOwner); /// @dev An ownership handover to `pendingOwner` has been requested. event OwnershipHandoverRequested(address indexed pendingOwner); /// @dev The ownership handover to `pendingOwner` has been canceled. event OwnershipHandoverCanceled(address indexed pendingOwner); /// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`. uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE = 0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0; /// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`. uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE = 0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d; /// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`. uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE = 0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* STORAGE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The owner slot is given by: /// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`. /// It is intentionally chosen to be a high value /// to avoid collision with lower slots. /// The choice of manual storage layout is to enable compatibility /// with both regular and upgradeable contracts. bytes32 internal constant _OWNER_SLOT = 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927; /// The ownership handover slot of `newOwner` is given by: /// ``` /// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED)) /// let handoverSlot := keccak256(0x00, 0x20) /// ``` /// It stores the expiry timestamp of the two-step ownership handover. uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Override to return true to make `_initializeOwner` prevent double-initialization. function _guardInitializeOwner() internal pure virtual returns (bool guard) {} /// @dev Initializes the owner directly without authorization guard. /// This function must be called upon initialization, /// regardless of whether the contract is upgradeable or not. /// This is to enable generalization to both regular and upgradeable contracts, /// and to save gas in case the initial owner is not the caller. /// For performance reasons, this function will not check if there /// is an existing owner. function _initializeOwner(address newOwner) internal virtual { if (_guardInitializeOwner()) { /// @solidity memory-safe-assembly assembly { let ownerSlot := _OWNER_SLOT if sload(ownerSlot) { mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`. revert(0x1c, 0x04) } // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Store the new value. sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner)))) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner) } } else { /// @solidity memory-safe-assembly assembly { // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Store the new value. sstore(_OWNER_SLOT, newOwner) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner) } } } /// @dev Sets the owner directly without authorization guard. function _setOwner(address newOwner) internal virtual { if (_guardInitializeOwner()) { /// @solidity memory-safe-assembly assembly { let ownerSlot := _OWNER_SLOT // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner) // Store the new value. sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner)))) } } else { /// @solidity memory-safe-assembly assembly { let ownerSlot := _OWNER_SLOT // Clean the upper 96 bits. newOwner := shr(96, shl(96, newOwner)) // Emit the {OwnershipTransferred} event. log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner) // Store the new value. sstore(ownerSlot, newOwner) } } } /// @dev Throws if the sender is not the owner. function _checkOwner() internal view virtual { /// @solidity memory-safe-assembly assembly { // If the caller is not the stored owner, revert. if iszero(eq(caller(), sload(_OWNER_SLOT))) { mstore(0x00, 0x82b42900) // `Unauthorized()`. revert(0x1c, 0x04) } } } /// @dev Returns how long a two-step ownership handover is valid for in seconds. /// Override to return a different value if needed. /// Made internal to conserve bytecode. Wrap it in a public function if needed. function _ownershipHandoverValidFor() internal view virtual returns (uint64) { return 48 * 3600; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PUBLIC UPDATE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Allows the owner to transfer the ownership to `newOwner`. function transferOwnership(address newOwner) public payable virtual onlyOwner { /// @solidity memory-safe-assembly assembly { if iszero(shl(96, newOwner)) { mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`. revert(0x1c, 0x04) } } _setOwner(newOwner); } /// @dev Allows the owner to renounce their ownership. function renounceOwnership() public payable virtual onlyOwner { _setOwner(address(0)); } /// @dev Request a two-step ownership handover to the caller. /// The request will automatically expire in 48 hours (172800 seconds) by default. function requestOwnershipHandover() public payable virtual { unchecked { uint256 expires = block.timestamp + _ownershipHandoverValidFor(); /// @solidity memory-safe-assembly assembly { // Compute and set the handover slot to `expires`. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, caller()) sstore(keccak256(0x0c, 0x20), expires) // Emit the {OwnershipHandoverRequested} event. log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller()) } } } /// @dev Cancels the two-step ownership handover to the caller, if any. function cancelOwnershipHandover() public payable virtual { /// @solidity memory-safe-assembly assembly { // Compute and set the handover slot to 0. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, caller()) sstore(keccak256(0x0c, 0x20), 0) // Emit the {OwnershipHandoverCanceled} event. log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller()) } } /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`. /// Reverts if there is no existing ownership handover requested by `pendingOwner`. function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner { /// @solidity memory-safe-assembly assembly { // Compute and set the handover slot to 0. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, pendingOwner) let handoverSlot := keccak256(0x0c, 0x20) // If the handover does not exist, or has expired. if gt(timestamp(), sload(handoverSlot)) { mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`. revert(0x1c, 0x04) } // Set the handover slot to 0. sstore(handoverSlot, 0) } _setOwner(pendingOwner); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PUBLIC READ FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the owner of the contract. function owner() public view virtual returns (address result) { /// @solidity memory-safe-assembly assembly { result := sload(_OWNER_SLOT) } } /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`. function ownershipHandoverExpiresAt(address pendingOwner) public view virtual returns (uint256 result) { /// @solidity memory-safe-assembly assembly { // Compute the handover slot. mstore(0x0c, _HANDOVER_SLOT_SEED) mstore(0x00, pendingOwner) // Load the handover slot. result := sload(keccak256(0x0c, 0x20)) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* MODIFIERS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Marks a function as only callable by the owner. modifier onlyOwner() virtual { _checkOwner(); _; } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Contract for EIP-712 typed structured data hashing and signing. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/EIP712.sol) /// @author Modified from Solbase (https://github.com/Sol-DAO/solbase/blob/main/src/utils/EIP712.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/utils/cryptography/EIP712.sol) /// /// @dev Note, this implementation: /// - Uses `address(this)` for the `verifyingContract` field. /// - Does NOT use the optional EIP-712 salt. /// - Does NOT use any EIP-712 extensions. /// This is for simplicity and to save gas. /// If you need to customize, please fork / modify accordingly. abstract contract EIP712 { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTANTS AND IMMUTABLES */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev `keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)")`. bytes32 internal constant _DOMAIN_TYPEHASH = 0x8b73c3c69bb8fe3d512ecc4cf759cc79239f7b179b0ffacaa9a75d522b39400f; uint256 private immutable _cachedThis; uint256 private immutable _cachedChainId; bytes32 private immutable _cachedNameHash; bytes32 private immutable _cachedVersionHash; bytes32 private immutable _cachedDomainSeparator; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTRUCTOR */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Cache the hashes for cheaper runtime gas costs. /// In the case of upgradeable contracts (i.e. proxies), /// or if the chain id changes due to a hard fork, /// the domain separator will be seamlessly calculated on-the-fly. constructor() { _cachedThis = uint256(uint160(address(this))); _cachedChainId = block.chainid; string memory name; string memory version; if (!_domainNameAndVersionMayChange()) (name, version) = _domainNameAndVersion(); bytes32 nameHash = _domainNameAndVersionMayChange() ? bytes32(0) : keccak256(bytes(name)); bytes32 versionHash = _domainNameAndVersionMayChange() ? bytes32(0) : keccak256(bytes(version)); _cachedNameHash = nameHash; _cachedVersionHash = versionHash; bytes32 separator; if (!_domainNameAndVersionMayChange()) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Load the free memory pointer. mstore(m, _DOMAIN_TYPEHASH) mstore(add(m, 0x20), nameHash) mstore(add(m, 0x40), versionHash) mstore(add(m, 0x60), chainid()) mstore(add(m, 0x80), address()) separator := keccak256(m, 0xa0) } } _cachedDomainSeparator = separator; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* FUNCTIONS TO OVERRIDE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Please override this function to return the domain name and version. /// ``` /// function _domainNameAndVersion() /// internal /// pure /// virtual /// returns (string memory name, string memory version) /// { /// name = "Solady"; /// version = "1"; /// } /// ``` /// /// Note: If the returned result may change after the contract has been deployed, /// you must override `_domainNameAndVersionMayChange()` to return true. function _domainNameAndVersion() internal view virtual returns (string memory name, string memory version); /// @dev Returns if `_domainNameAndVersion()` may change /// after the contract has been deployed (i.e. after the constructor). /// Default: false. function _domainNameAndVersionMayChange() internal pure virtual returns (bool result) {} /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* HASHING OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the EIP-712 domain separator. function _domainSeparator() internal view virtual returns (bytes32 separator) { if (_domainNameAndVersionMayChange()) { separator = _buildDomainSeparator(); } else { separator = _cachedDomainSeparator; if (_cachedDomainSeparatorInvalidated()) separator = _buildDomainSeparator(); } } /// @dev Returns the hash of the fully encoded EIP-712 message for this domain, /// given `structHash`, as defined in /// https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct. /// /// The hash can be used together with {ECDSA-recover} to obtain the signer of a message: /// ``` /// bytes32 digest = _hashTypedData(keccak256(abi.encode( /// keccak256("Mail(address to,string contents)"), /// mailTo, /// keccak256(bytes(mailContents)) /// ))); /// address signer = ECDSA.recover(digest, signature); /// ``` function _hashTypedData(bytes32 structHash) internal view virtual returns (bytes32 digest) { // We will use `digest` to store the domain separator to save a bit of gas. if (_domainNameAndVersionMayChange()) { digest = _buildDomainSeparator(); } else { digest = _cachedDomainSeparator; if (_cachedDomainSeparatorInvalidated()) digest = _buildDomainSeparator(); } /// @solidity memory-safe-assembly assembly { // Compute the digest. mstore(0x00, 0x1901000000000000) // Store "\x19\x01". mstore(0x1a, digest) // Store the domain separator. mstore(0x3a, structHash) // Store the struct hash. digest := keccak256(0x18, 0x42) // Restore the part of the free memory slot that was overwritten. mstore(0x3a, 0) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EIP-5267 OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev See: https://eips.ethereum.org/EIPS/eip-5267 function eip712Domain() public view virtual returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { fields = hex"0f"; // `0b01111`. (name, version) = _domainNameAndVersion(); chainId = block.chainid; verifyingContract = address(this); salt = salt; // `bytes32(0)`. extensions = extensions; // `new uint256[](0)`. } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PRIVATE HELPERS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the EIP-712 domain separator. function _buildDomainSeparator() private view returns (bytes32 separator) { // We will use `separator` to store the name hash to save a bit of gas. bytes32 versionHash; if (_domainNameAndVersionMayChange()) { (string memory name, string memory version) = _domainNameAndVersion(); separator = keccak256(bytes(name)); versionHash = keccak256(bytes(version)); } else { separator = _cachedNameHash; versionHash = _cachedVersionHash; } /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Load the free memory pointer. mstore(m, _DOMAIN_TYPEHASH) mstore(add(m, 0x20), separator) // Name hash. mstore(add(m, 0x40), versionHash) mstore(add(m, 0x60), chainid()) mstore(add(m, 0x80), address()) separator := keccak256(m, 0xa0) } } /// @dev Returns if the cached domain separator has been invalidated. function _cachedDomainSeparatorInvalidated() private view returns (bool result) { uint256 cachedChainId = _cachedChainId; uint256 cachedThis = _cachedThis; /// @solidity memory-safe-assembly assembly { result := iszero(and(eq(chainid(), cachedChainId), eq(address(), cachedThis))) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; interface ITokenRenderer { function tokenURI(uint256 tokenId) external view returns (string memory); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; /// @notice Simple ERC1155 implementation. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/tokens/ERC1155.sol) /// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol) /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/token/ERC1155/ERC1155.sol) /// /// @dev Note: /// - The ERC1155 standard allows for self-approvals. /// For performance, this implementation WILL NOT revert for such actions. /// Please add any checks with overrides if desired. /// - The transfer functions use the identity precompile (0x4) /// to copy memory internally. /// /// If you are overriding: /// - Make sure all variables written to storage are properly cleaned // (e.g. the bool value for `isApprovedForAll` MUST be either 1 or 0 under the hood). /// - Check that the overridden function is actually used in the function you want to /// change the behavior of. Much of the code has been manually inlined for performance. abstract contract ERC1155 { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The lengths of the input arrays are not the same. error ArrayLengthsMismatch(); /// @dev Cannot mint or transfer to the zero address. error TransferToZeroAddress(); /// @dev The recipient's balance has overflowed. error AccountBalanceOverflow(); /// @dev Insufficient balance. error InsufficientBalance(); /// @dev Only the token owner or an approved account can manage the tokens. error NotOwnerNorApproved(); /// @dev Cannot safely transfer to a contract that does not implement /// the ERC1155Receiver interface. error TransferToNonERC1155ReceiverImplementer(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Emitted when `amount` of token `id` is transferred /// from `from` to `to` by `operator`. event TransferSingle( address indexed operator, address indexed from, address indexed to, uint256 id, uint256 amount ); /// @dev Emitted when `amounts` of token `ids` are transferred /// from `from` to `to` by `operator`. event TransferBatch( address indexed operator, address indexed from, address indexed to, uint256[] ids, uint256[] amounts ); /// @dev Emitted when `owner` enables or disables `operator` to manage all of their tokens. event ApprovalForAll(address indexed owner, address indexed operator, bool isApproved); /// @dev Emitted when the Uniform Resource Identifier (URI) for token `id` /// is updated to `value`. This event is not used in the base contract. /// You may need to emit this event depending on your URI logic. /// /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata event URI(string value, uint256 indexed id); /// @dev `keccak256(bytes("TransferSingle(address,address,address,uint256,uint256)"))`. uint256 private constant _TRANSFER_SINGLE_EVENT_SIGNATURE = 0xc3d58168c5ae7397731d063d5bbf3d657854427343f4c083240f7aacaa2d0f62; /// @dev `keccak256(bytes("TransferBatch(address,address,address,uint256[],uint256[])"))`. uint256 private constant _TRANSFER_BATCH_EVENT_SIGNATURE = 0x4a39dc06d4c0dbc64b70af90fd698a233a518aa5d07e595d983b8c0526c8f7fb; /// @dev `keccak256(bytes("ApprovalForAll(address,address,bool)"))`. uint256 private constant _APPROVAL_FOR_ALL_EVENT_SIGNATURE = 0x17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* STORAGE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The `ownerSlotSeed` of a given owner is given by. /// ``` /// let ownerSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner)) /// ``` /// /// The balance slot of `owner` is given by. /// ``` /// mstore(0x20, ownerSlotSeed) /// mstore(0x00, id) /// let balanceSlot := keccak256(0x00, 0x40) /// ``` /// /// The operator approval slot of `owner` is given by. /// ``` /// mstore(0x20, ownerSlotSeed) /// mstore(0x00, operator) /// let operatorApprovalSlot := keccak256(0x0c, 0x34) /// ``` uint256 private constant _ERC1155_MASTER_SLOT_SEED = 0x9a31110384e0b0c9; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERC1155 METADATA */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the URI for token `id`. /// /// You can either return the same templated URI for all token IDs, /// (e.g. "https://example.com/api/{id}.json"), /// or return a unique URI for each `id`. /// /// See: https://eips.ethereum.org/EIPS/eip-1155#metadata function uri(uint256 id) public view virtual returns (string memory); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERC1155 */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the amount of `id` owned by `owner`. function balanceOf(address owner, uint256 id) public view virtual returns (uint256 result) { /// @solidity memory-safe-assembly assembly { mstore(0x20, _ERC1155_MASTER_SLOT_SEED) mstore(0x14, owner) mstore(0x00, id) result := sload(keccak256(0x00, 0x40)) } } /// @dev Returns whether `operator` is approved to manage the tokens of `owner`. function isApprovedForAll(address owner, address operator) public view virtual returns (bool result) { /// @solidity memory-safe-assembly assembly { mstore(0x20, _ERC1155_MASTER_SLOT_SEED) mstore(0x14, owner) mstore(0x00, operator) result := sload(keccak256(0x0c, 0x34)) } } /// @dev Sets whether `operator` is approved to manage the tokens of the caller. /// /// Emits a {ApprovalForAll} event. function setApprovalForAll(address operator, bool isApproved) public virtual { /// @solidity memory-safe-assembly assembly { // Convert to 0 or 1. isApproved := iszero(iszero(isApproved)) // Update the `isApproved` for (`msg.sender`, `operator`). mstore(0x20, _ERC1155_MASTER_SLOT_SEED) mstore(0x14, caller()) mstore(0x00, operator) sstore(keccak256(0x0c, 0x34), isApproved) // Emit the {ApprovalForAll} event. mstore(0x00, isApproved) // forgefmt: disable-next-line log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, caller(), shr(96, shl(96, operator))) } } /// @dev Transfers `amount` of `id` from `from` to `to`. /// /// Requirements: /// - `to` cannot be the zero address. /// - `from` must have at least `amount` of `id`. /// - If the caller is not `from`, /// it must be approved to manage the tokens of `from`. /// - If `to` refers to a smart contract, it must implement /// {ERC1155-onERC1155Received}, which is called upon a batch transfer. /// /// Emits a {TransferSingle} event. function safeTransferFrom( address from, address to, uint256 id, uint256 amount, bytes calldata data ) public virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(from, to, _single(id), _single(amount), data); } /// @solidity memory-safe-assembly assembly { let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from)) let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to)) mstore(0x20, fromSlotSeed) // Clear the upper 96 bits. from := shr(96, fromSlotSeed) to := shr(96, toSlotSeed) // Revert if `to` is the zero address. if iszero(to) { mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`. revert(0x1c, 0x04) } // If the caller is not `from`, do the authorization check. if iszero(eq(caller(), from)) { mstore(0x00, caller()) if iszero(sload(keccak256(0x0c, 0x34))) { mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`. revert(0x1c, 0x04) } } // Subtract and store the updated balance of `from`. { mstore(0x00, id) let fromBalanceSlot := keccak256(0x00, 0x40) let fromBalance := sload(fromBalanceSlot) if gt(amount, fromBalance) { mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`. revert(0x1c, 0x04) } sstore(fromBalanceSlot, sub(fromBalance, amount)) } // Increase and store the updated balance of `to`. { mstore(0x20, toSlotSeed) let toBalanceSlot := keccak256(0x00, 0x40) let toBalanceBefore := sload(toBalanceSlot) let toBalanceAfter := add(toBalanceBefore, amount) if lt(toBalanceAfter, toBalanceBefore) { mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`. revert(0x1c, 0x04) } sstore(toBalanceSlot, toBalanceAfter) } // Emit a {TransferSingle} event. mstore(0x20, amount) log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), from, to) } if (_useAfterTokenTransfer()) { _afterTokenTransfer(from, to, _single(id), _single(amount), data); } /// @solidity memory-safe-assembly assembly { // Do the {onERC1155Received} check if `to` is a smart contract. if extcodesize(to) { // Prepare the calldata. let m := mload(0x40) // `onERC1155Received(address,address,uint256,uint256,bytes)`. mstore(m, 0xf23a6e61) mstore(add(m, 0x20), caller()) mstore(add(m, 0x40), from) mstore(add(m, 0x60), id) mstore(add(m, 0x80), amount) mstore(add(m, 0xa0), 0xa0) calldatacopy(add(m, 0xc0), sub(data.offset, 0x20), add(0x20, data.length)) // Revert if the call reverts. if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, data.length), m, 0x20)) { if returndatasize() { // Bubble up the revert if the call reverts. returndatacopy(m, 0x00, returndatasize()) revert(m, returndatasize()) } } // Load the returndata and compare it with the function selector. if iszero(eq(mload(m), shl(224, 0xf23a6e61))) { mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`. revert(0x1c, 0x04) } } } } /// @dev Transfers `amounts` of `ids` from `from` to `to`. /// /// Requirements: /// - `to` cannot be the zero address. /// - `from` must have at least `amount` of `id`. /// - `ids` and `amounts` must have the same length. /// - If the caller is not `from`, /// it must be approved to manage the tokens of `from`. /// - If `to` refers to a smart contract, it must implement /// {ERC1155-onERC1155BatchReceived}, which is called upon a batch transfer. /// /// Emits a {TransferBatch} event. function safeBatchTransferFrom( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) public virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(from, to, ids, amounts, data); } /// @solidity memory-safe-assembly assembly { if iszero(eq(ids.length, amounts.length)) { mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`. revert(0x1c, 0x04) } let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, from)) let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, shl(96, to)) mstore(0x20, fromSlotSeed) // Clear the upper 96 bits. from := shr(96, fromSlotSeed) to := shr(96, toSlotSeed) // Revert if `to` is the zero address. if iszero(to) { mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`. revert(0x1c, 0x04) } // If the caller is not `from`, do the authorization check. if iszero(eq(caller(), from)) { mstore(0x00, caller()) if iszero(sload(keccak256(0x0c, 0x34))) { mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`. revert(0x1c, 0x04) } } // Loop through all the `ids` and update the balances. { for { let i := shl(5, ids.length) } i {} { i := sub(i, 0x20) let amount := calldataload(add(amounts.offset, i)) // Subtract and store the updated balance of `from`. { mstore(0x20, fromSlotSeed) mstore(0x00, calldataload(add(ids.offset, i))) let fromBalanceSlot := keccak256(0x00, 0x40) let fromBalance := sload(fromBalanceSlot) if gt(amount, fromBalance) { mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`. revert(0x1c, 0x04) } sstore(fromBalanceSlot, sub(fromBalance, amount)) } // Increase and store the updated balance of `to`. { mstore(0x20, toSlotSeed) let toBalanceSlot := keccak256(0x00, 0x40) let toBalanceBefore := sload(toBalanceSlot) let toBalanceAfter := add(toBalanceBefore, amount) if lt(toBalanceAfter, toBalanceBefore) { mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`. revert(0x1c, 0x04) } sstore(toBalanceSlot, toBalanceAfter) } } } // Emit a {TransferBatch} event. { let m := mload(0x40) // Copy the `ids`. mstore(m, 0x40) let n := add(0x20, shl(5, ids.length)) let o := add(m, 0x40) calldatacopy(o, sub(ids.offset, 0x20), n) // Copy the `amounts`. mstore(add(m, 0x20), add(0x40, n)) calldatacopy(add(o, n), sub(amounts.offset, 0x20), n) // Do the emit. log4(m, add(add(n, n), 0x40), _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), from, to) } } if (_useAfterTokenTransfer()) { _afterTokenTransferCalldata(from, to, ids, amounts, data); } /// @solidity memory-safe-assembly assembly { // Do the {onERC1155BatchReceived} check if `to` is a smart contract. if extcodesize(to) { mstore(0x00, to) // Cache `to` to prevent stack too deep. let m := mload(0x40) // Prepare the calldata. // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`. mstore(m, 0xbc197c81) mstore(add(m, 0x20), caller()) mstore(add(m, 0x40), from) // Copy the `ids`. mstore(add(m, 0x60), 0xa0) let n := add(0x20, shl(5, ids.length)) let o := add(m, 0xc0) calldatacopy(o, sub(ids.offset, 0x20), n) // Copy the `amounts`. let s := add(0xa0, n) mstore(add(m, 0x80), s) calldatacopy(add(o, n), sub(amounts.offset, 0x20), n) // Copy the `data`. mstore(add(m, 0xa0), add(s, n)) calldatacopy(add(o, add(n, n)), sub(data.offset, 0x20), add(0x20, data.length)) let nAll := add(0xc4, add(data.length, add(n, n))) // Revert if the call reverts. if iszero(call(gas(), mload(0x00), 0, add(m, 0x1c), nAll, m, 0x20)) { if returndatasize() { // Bubble up the revert if the call reverts. returndatacopy(m, 0x00, returndatasize()) revert(m, returndatasize()) } } // Load the returndata and compare it with the function selector. if iszero(eq(mload(m), shl(224, 0xbc197c81))) { mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`. revert(0x1c, 0x04) } } } } /// @dev Returns the amounts of `ids` for `owners. /// /// Requirements: /// - `owners` and `ids` must have the same length. function balanceOfBatch(address[] calldata owners, uint256[] calldata ids) public view virtual returns (uint256[] memory balances) { /// @solidity memory-safe-assembly assembly { if iszero(eq(ids.length, owners.length)) { mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`. revert(0x1c, 0x04) } balances := mload(0x40) mstore(balances, ids.length) let o := add(balances, 0x20) let i := shl(5, ids.length) mstore(0x40, add(i, o)) // Loop through all the `ids` and load the balances. for {} i {} { i := sub(i, 0x20) let owner := calldataload(add(owners.offset, i)) mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, shl(96, owner))) mstore(0x00, calldataload(add(ids.offset, i))) mstore(add(o, i), sload(keccak256(0x00, 0x40))) } } } /// @dev Returns true if this contract implements the interface defined by `interfaceId`. /// See: https://eips.ethereum.org/EIPS/eip-165 /// This function call must use less than 30000 gas. function supportsInterface(bytes4 interfaceId) public view virtual returns (bool result) { /// @solidity memory-safe-assembly assembly { let s := shr(224, interfaceId) // ERC165: 0x01ffc9a7, ERC1155: 0xd9b67a26, ERC1155MetadataURI: 0x0e89341c. result := or(or(eq(s, 0x01ffc9a7), eq(s, 0xd9b67a26)), eq(s, 0x0e89341c)) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL MINT FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Mints `amount` of `id` to `to`. /// /// Requirements: /// - `to` cannot be the zero address. /// - If `to` refers to a smart contract, it must implement /// {ERC1155-onERC1155Received}, which is called upon a batch transfer. /// /// Emits a {TransferSingle} event. function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(address(0), to, _single(id), _single(amount), data); } /// @solidity memory-safe-assembly assembly { let to_ := shl(96, to) // Revert if `to` is the zero address. if iszero(to_) { mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`. revert(0x1c, 0x04) } // Increase and store the updated balance of `to`. { mstore(0x20, _ERC1155_MASTER_SLOT_SEED) mstore(0x14, to) mstore(0x00, id) let toBalanceSlot := keccak256(0x00, 0x40) let toBalanceBefore := sload(toBalanceSlot) let toBalanceAfter := add(toBalanceBefore, amount) if lt(toBalanceAfter, toBalanceBefore) { mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`. revert(0x1c, 0x04) } sstore(toBalanceSlot, toBalanceAfter) } // Emit a {TransferSingle} event. mstore(0x20, amount) log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), 0, shr(96, to_)) } if (_useAfterTokenTransfer()) { _afterTokenTransfer(address(0), to, _single(id), _single(amount), data); } if (_hasCode(to)) _checkOnERC1155Received(address(0), to, id, amount, data); } /// @dev Mints `amounts` of `ids` to `to`. /// /// Requirements: /// - `to` cannot be the zero address. /// - `ids` and `amounts` must have the same length. /// - If `to` refers to a smart contract, it must implement /// {ERC1155-onERC1155BatchReceived}, which is called upon a batch transfer. /// /// Emits a {TransferBatch} event. function _batchMint( address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(address(0), to, ids, amounts, data); } /// @solidity memory-safe-assembly assembly { if iszero(eq(mload(ids), mload(amounts))) { mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`. revert(0x1c, 0x04) } let to_ := shl(96, to) // Revert if `to` is the zero address. if iszero(to_) { mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`. revert(0x1c, 0x04) } // Loop through all the `ids` and update the balances. { mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_)) for { let i := shl(5, mload(ids)) } i { i := sub(i, 0x20) } { let amount := mload(add(amounts, i)) // Increase and store the updated balance of `to`. { mstore(0x00, mload(add(ids, i))) let toBalanceSlot := keccak256(0x00, 0x40) let toBalanceBefore := sload(toBalanceSlot) let toBalanceAfter := add(toBalanceBefore, amount) if lt(toBalanceAfter, toBalanceBefore) { mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`. revert(0x1c, 0x04) } sstore(toBalanceSlot, toBalanceAfter) } } } // Emit a {TransferBatch} event. { let m := mload(0x40) // Copy the `ids`. mstore(m, 0x40) let n := add(0x20, shl(5, mload(ids))) let o := add(m, 0x40) pop(staticcall(gas(), 4, ids, n, o, n)) // Copy the `amounts`. mstore(add(m, 0x20), add(0x40, returndatasize())) o := add(o, returndatasize()) n := add(0x20, shl(5, mload(amounts))) pop(staticcall(gas(), 4, amounts, n, o, n)) n := sub(add(o, returndatasize()), m) // Do the emit. log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), 0, shr(96, to_)) } } if (_useAfterTokenTransfer()) { _afterTokenTransfer(address(0), to, ids, amounts, data); } if (_hasCode(to)) _checkOnERC1155BatchReceived(address(0), to, ids, amounts, data); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL BURN FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Equivalent to `_burn(address(0), from, id, amount)`. function _burn(address from, uint256 id, uint256 amount) internal virtual { _burn(address(0), from, id, amount); } /// @dev Destroys `amount` of `id` from `from`. /// /// Requirements: /// - `from` must have at least `amount` of `id`. /// - If `by` is not the zero address, it must be either `from`, /// or approved to manage the tokens of `from`. /// /// Emits a {TransferSingle} event. function _burn(address by, address from, uint256 id, uint256 amount) internal virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(from, address(0), _single(id), _single(amount), ""); } /// @solidity memory-safe-assembly assembly { let from_ := shl(96, from) mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_)) // If `by` is not the zero address, and not equal to `from`, // check if it is approved to manage all the tokens of `from`. if iszero(or(iszero(shl(96, by)), eq(shl(96, by), from_))) { mstore(0x00, by) if iszero(sload(keccak256(0x0c, 0x34))) { mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`. revert(0x1c, 0x04) } } // Decrease and store the updated balance of `from`. { mstore(0x00, id) let fromBalanceSlot := keccak256(0x00, 0x40) let fromBalance := sload(fromBalanceSlot) if gt(amount, fromBalance) { mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`. revert(0x1c, 0x04) } sstore(fromBalanceSlot, sub(fromBalance, amount)) } // Emit a {TransferSingle} event. mstore(0x20, amount) log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), 0) } if (_useAfterTokenTransfer()) { _afterTokenTransfer(from, address(0), _single(id), _single(amount), ""); } } /// @dev Equivalent to `_batchBurn(address(0), from, ids, amounts)`. function _batchBurn(address from, uint256[] memory ids, uint256[] memory amounts) internal virtual { _batchBurn(address(0), from, ids, amounts); } /// @dev Destroys `amounts` of `ids` from `from`. /// /// Requirements: /// - `ids` and `amounts` must have the same length. /// - `from` must have at least `amounts` of `ids`. /// - If `by` is not the zero address, it must be either `from`, /// or approved to manage the tokens of `from`. /// /// Emits a {TransferBatch} event. function _batchBurn(address by, address from, uint256[] memory ids, uint256[] memory amounts) internal virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(from, address(0), ids, amounts, ""); } /// @solidity memory-safe-assembly assembly { if iszero(eq(mload(ids), mload(amounts))) { mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`. revert(0x1c, 0x04) } let from_ := shl(96, from) mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_)) // If `by` is not the zero address, and not equal to `from`, // check if it is approved to manage all the tokens of `from`. let by_ := shl(96, by) if iszero(or(iszero(by_), eq(by_, from_))) { mstore(0x00, by) if iszero(sload(keccak256(0x0c, 0x34))) { mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`. revert(0x1c, 0x04) } } // Loop through all the `ids` and update the balances. { for { let i := shl(5, mload(ids)) } i { i := sub(i, 0x20) } { let amount := mload(add(amounts, i)) // Decrease and store the updated balance of `from`. { mstore(0x00, mload(add(ids, i))) let fromBalanceSlot := keccak256(0x00, 0x40) let fromBalance := sload(fromBalanceSlot) if gt(amount, fromBalance) { mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`. revert(0x1c, 0x04) } sstore(fromBalanceSlot, sub(fromBalance, amount)) } } } // Emit a {TransferBatch} event. { let m := mload(0x40) // Copy the `ids`. mstore(m, 0x40) let n := add(0x20, shl(5, mload(ids))) let o := add(m, 0x40) pop(staticcall(gas(), 4, ids, n, o, n)) // Copy the `amounts`. mstore(add(m, 0x20), add(0x40, returndatasize())) o := add(o, returndatasize()) n := add(0x20, shl(5, mload(amounts))) pop(staticcall(gas(), 4, amounts, n, o, n)) n := sub(add(o, returndatasize()), m) // Do the emit. log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), 0) } } if (_useAfterTokenTransfer()) { _afterTokenTransfer(from, address(0), ids, amounts, ""); } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL APPROVAL FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Approve or remove the `operator` as an operator for `by`, /// without authorization checks. /// /// Emits a {ApprovalForAll} event. function _setApprovalForAll(address by, address operator, bool isApproved) internal virtual { /// @solidity memory-safe-assembly assembly { // Convert to 0 or 1. isApproved := iszero(iszero(isApproved)) // Update the `isApproved` for (`by`, `operator`). mstore(0x20, _ERC1155_MASTER_SLOT_SEED) mstore(0x14, by) mstore(0x00, operator) sstore(keccak256(0x0c, 0x34), isApproved) // Emit the {ApprovalForAll} event. mstore(0x00, isApproved) let m := shr(96, not(0)) log3(0x00, 0x20, _APPROVAL_FOR_ALL_EVENT_SIGNATURE, and(m, by), and(m, operator)) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL TRANSFER FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Equivalent to `_safeTransfer(address(0), from, to, id, amount, data)`. function _safeTransfer(address from, address to, uint256 id, uint256 amount, bytes memory data) internal virtual { _safeTransfer(address(0), from, to, id, amount, data); } /// @dev Transfers `amount` of `id` from `from` to `to`. /// /// Requirements: /// - `to` cannot be the zero address. /// - `from` must have at least `amount` of `id`. /// - If `by` is not the zero address, it must be either `from`, /// or approved to manage the tokens of `from`. /// - If `to` refers to a smart contract, it must implement /// {ERC1155-onERC1155Received}, which is called upon a batch transfer. /// /// Emits a {TransferSingle} event. function _safeTransfer( address by, address from, address to, uint256 id, uint256 amount, bytes memory data ) internal virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(from, to, _single(id), _single(amount), data); } /// @solidity memory-safe-assembly assembly { let from_ := shl(96, from) let to_ := shl(96, to) // Revert if `to` is the zero address. if iszero(to_) { mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`. revert(0x1c, 0x04) } mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, from_)) // If `by` is not the zero address, and not equal to `from`, // check if it is approved to manage all the tokens of `from`. let by_ := shl(96, by) if iszero(or(iszero(by_), eq(by_, from_))) { mstore(0x00, by) if iszero(sload(keccak256(0x0c, 0x34))) { mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`. revert(0x1c, 0x04) } } // Subtract and store the updated balance of `from`. { mstore(0x00, id) let fromBalanceSlot := keccak256(0x00, 0x40) let fromBalance := sload(fromBalanceSlot) if gt(amount, fromBalance) { mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`. revert(0x1c, 0x04) } sstore(fromBalanceSlot, sub(fromBalance, amount)) } // Increase and store the updated balance of `to`. { mstore(0x20, or(_ERC1155_MASTER_SLOT_SEED, to_)) let toBalanceSlot := keccak256(0x00, 0x40) let toBalanceBefore := sload(toBalanceSlot) let toBalanceAfter := add(toBalanceBefore, amount) if lt(toBalanceAfter, toBalanceBefore) { mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`. revert(0x1c, 0x04) } sstore(toBalanceSlot, toBalanceAfter) } // Emit a {TransferSingle} event. mstore(0x20, amount) // forgefmt: disable-next-line log4(0x00, 0x40, _TRANSFER_SINGLE_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_)) } if (_useAfterTokenTransfer()) { _afterTokenTransfer(from, to, _single(id), _single(amount), data); } if (_hasCode(to)) _checkOnERC1155Received(from, to, id, amount, data); } /// @dev Equivalent to `_safeBatchTransfer(address(0), from, to, ids, amounts, data)`. function _safeBatchTransfer( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { _safeBatchTransfer(address(0), from, to, ids, amounts, data); } /// @dev Transfers `amounts` of `ids` from `from` to `to`. /// /// Requirements: /// - `to` cannot be the zero address. /// - `ids` and `amounts` must have the same length. /// - `from` must have at least `amounts` of `ids`. /// - If `by` is not the zero address, it must be either `from`, /// or approved to manage the tokens of `from`. /// - If `to` refers to a smart contract, it must implement /// {ERC1155-onERC1155BatchReceived}, which is called upon a batch transfer. /// /// Emits a {TransferBatch} event. function _safeBatchTransfer( address by, address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual { if (_useBeforeTokenTransfer()) { _beforeTokenTransfer(from, to, ids, amounts, data); } /// @solidity memory-safe-assembly assembly { if iszero(eq(mload(ids), mload(amounts))) { mstore(0x00, 0x3b800a46) // `ArrayLengthsMismatch()`. revert(0x1c, 0x04) } let from_ := shl(96, from) let to_ := shl(96, to) // Revert if `to` is the zero address. if iszero(to_) { mstore(0x00, 0xea553b34) // `TransferToZeroAddress()`. revert(0x1c, 0x04) } let fromSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, from_) let toSlotSeed := or(_ERC1155_MASTER_SLOT_SEED, to_) mstore(0x20, fromSlotSeed) // If `by` is not the zero address, and not equal to `from`, // check if it is approved to manage all the tokens of `from`. let by_ := shl(96, by) if iszero(or(iszero(by_), eq(by_, from_))) { mstore(0x00, by) if iszero(sload(keccak256(0x0c, 0x34))) { mstore(0x00, 0x4b6e7f18) // `NotOwnerNorApproved()`. revert(0x1c, 0x04) } } // Loop through all the `ids` and update the balances. { for { let i := shl(5, mload(ids)) } i { i := sub(i, 0x20) } { let amount := mload(add(amounts, i)) // Subtract and store the updated balance of `from`. { mstore(0x20, fromSlotSeed) mstore(0x00, mload(add(ids, i))) let fromBalanceSlot := keccak256(0x00, 0x40) let fromBalance := sload(fromBalanceSlot) if gt(amount, fromBalance) { mstore(0x00, 0xf4d678b8) // `InsufficientBalance()`. revert(0x1c, 0x04) } sstore(fromBalanceSlot, sub(fromBalance, amount)) } // Increase and store the updated balance of `to`. { mstore(0x20, toSlotSeed) let toBalanceSlot := keccak256(0x00, 0x40) let toBalanceBefore := sload(toBalanceSlot) let toBalanceAfter := add(toBalanceBefore, amount) if lt(toBalanceAfter, toBalanceBefore) { mstore(0x00, 0x01336cea) // `AccountBalanceOverflow()`. revert(0x1c, 0x04) } sstore(toBalanceSlot, toBalanceAfter) } } } // Emit a {TransferBatch} event. { let m := mload(0x40) // Copy the `ids`. mstore(m, 0x40) let n := add(0x20, shl(5, mload(ids))) let o := add(m, 0x40) pop(staticcall(gas(), 4, ids, n, o, n)) // Copy the `amounts`. mstore(add(m, 0x20), add(0x40, returndatasize())) o := add(o, returndatasize()) n := add(0x20, shl(5, mload(amounts))) pop(staticcall(gas(), 4, amounts, n, o, n)) n := sub(add(o, returndatasize()), m) // Do the emit. log4(m, n, _TRANSFER_BATCH_EVENT_SIGNATURE, caller(), shr(96, from_), shr(96, to_)) } } if (_useAfterTokenTransfer()) { _afterTokenTransfer(from, to, ids, amounts, data); } if (_hasCode(to)) _checkOnERC1155BatchReceived(from, to, ids, amounts, data); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* HOOKS FOR OVERRIDING */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Override this function to return true if `_beforeTokenTransfer` is used. /// This is to help the compiler avoid producing dead bytecode. function _useBeforeTokenTransfer() internal view virtual returns (bool) { return false; } /// @dev Hook that is called before any token transfer. /// This includes minting and burning, as well as batched variants. /// /// The same hook is called on both single and batched variants. /// For single transfers, the length of the `id` and `amount` arrays are 1. function _beforeTokenTransfer( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} /// @dev Override this function to return true if `_afterTokenTransfer` is used. /// This is to help the compiler avoid producing dead bytecode. function _useAfterTokenTransfer() internal view virtual returns (bool) { return false; } /// @dev Hook that is called after any token transfer. /// This includes minting and burning, as well as batched variants. /// /// The same hook is called on both single and batched variants. /// For single transfers, the length of the `id` and `amount` arrays are 1. function _afterTokenTransfer( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) internal virtual {} /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PRIVATE HELPERS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Helper for calling the `_afterTokenTransfer` hook. /// This is to help the compiler avoid producing dead bytecode. function _afterTokenTransferCalldata( address from, address to, uint256[] calldata ids, uint256[] calldata amounts, bytes calldata data ) private { if (_useAfterTokenTransfer()) { _afterTokenTransfer(from, to, ids, amounts, data); } } /// @dev Returns if `a` has bytecode of non-zero length. function _hasCode(address a) private view returns (bool result) { /// @solidity memory-safe-assembly assembly { result := extcodesize(a) // Can handle dirty upper bits. } } /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155Received} on `to`. /// Reverts if the target does not support the function correctly. function _checkOnERC1155Received( address from, address to, uint256 id, uint256 amount, bytes memory data ) private { /// @solidity memory-safe-assembly assembly { // Prepare the calldata. let m := mload(0x40) // `onERC1155Received(address,address,uint256,uint256,bytes)`. mstore(m, 0xf23a6e61) mstore(add(m, 0x20), caller()) mstore(add(m, 0x40), shr(96, shl(96, from))) mstore(add(m, 0x60), id) mstore(add(m, 0x80), amount) mstore(add(m, 0xa0), 0xa0) let n := mload(data) mstore(add(m, 0xc0), n) if n { pop(staticcall(gas(), 4, add(data, 0x20), n, add(m, 0xe0), n)) } // Revert if the call reverts. if iszero(call(gas(), to, 0, add(m, 0x1c), add(0xc4, n), m, 0x20)) { if returndatasize() { // Bubble up the revert if the call reverts. returndatacopy(m, 0x00, returndatasize()) revert(m, returndatasize()) } } // Load the returndata and compare it with the function selector. if iszero(eq(mload(m), shl(224, 0xf23a6e61))) { mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`. revert(0x1c, 0x04) } } } /// @dev Perform a call to invoke {IERC1155Receiver-onERC1155BatchReceived} on `to`. /// Reverts if the target does not support the function correctly. function _checkOnERC1155BatchReceived( address from, address to, uint256[] memory ids, uint256[] memory amounts, bytes memory data ) private { /// @solidity memory-safe-assembly assembly { // Prepare the calldata. let m := mload(0x40) // `onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)`. mstore(m, 0xbc197c81) mstore(add(m, 0x20), caller()) mstore(add(m, 0x40), shr(96, shl(96, from))) // Copy the `ids`. mstore(add(m, 0x60), 0xa0) let n := add(0x20, shl(5, mload(ids))) let o := add(m, 0xc0) pop(staticcall(gas(), 4, ids, n, o, n)) // Copy the `amounts`. let s := add(0xa0, returndatasize()) mstore(add(m, 0x80), s) o := add(o, returndatasize()) n := add(0x20, shl(5, mload(amounts))) pop(staticcall(gas(), 4, amounts, n, o, n)) // Copy the `data`. mstore(add(m, 0xa0), add(s, returndatasize())) o := add(o, returndatasize()) n := add(0x20, mload(data)) pop(staticcall(gas(), 4, data, n, o, n)) n := sub(add(o, returndatasize()), add(m, 0x1c)) // Revert if the call reverts. if iszero(call(gas(), to, 0, add(m, 0x1c), n, m, 0x20)) { if returndatasize() { // Bubble up the revert if the call reverts. returndatacopy(m, 0x00, returndatasize()) revert(m, returndatasize()) } } // Load the returndata and compare it with the function selector. if iszero(eq(mload(m), shl(224, 0xbc197c81))) { mstore(0x00, 0x9c05499b) // `TransferToNonERC1155ReceiverImplementer()`. revert(0x1c, 0x04) } } } /// @dev Returns `x` in an array with a single element. function _single(uint256 x) private pure returns (uint256[] memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) mstore(0x40, add(result, 0x40)) mstore(result, 1) mstore(add(result, 0x20), x) } } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import {Ownable} from "./Ownable.sol"; /// @notice Simple single owner and multiroles authorization mixin. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/OwnableRoles.sol) /// /// @dev Note: /// This implementation does NOT auto-initialize the owner to `msg.sender`. /// You MUST call the `_initializeOwner` in the constructor / initializer. /// /// While the ownable portion follows /// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility, /// the nomenclature for the 2-step ownership handover may be unique to this codebase. abstract contract OwnableRoles is Ownable { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* EVENTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The `user`'s roles is updated to `roles`. /// Each bit of `roles` represents whether the role is set. event RolesUpdated(address indexed user, uint256 indexed roles); /// @dev `keccak256(bytes("RolesUpdated(address,uint256)"))`. uint256 private constant _ROLES_UPDATED_EVENT_SIGNATURE = 0x715ad5ce61fc9595c7b415289d59cf203f23a94fa06f04af7e489a0a76e1fe26; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* STORAGE */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The role slot of `user` is given by: /// ``` /// mstore(0x00, or(shl(96, user), _ROLE_SLOT_SEED)) /// let roleSlot := keccak256(0x00, 0x20) /// ``` /// This automatically ignores the upper bits of the `user` in case /// they are not clean, as well as keep the `keccak256` under 32-bytes. /// /// Note: This is equivalent to `uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))`. uint256 private constant _ROLE_SLOT_SEED = 0x8b78c6d8; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* INTERNAL FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Overwrite the roles directly without authorization guard. function _setRoles(address user, uint256 roles) internal virtual { /// @solidity memory-safe-assembly assembly { mstore(0x0c, _ROLE_SLOT_SEED) mstore(0x00, user) // Store the new value. sstore(keccak256(0x0c, 0x20), roles) // Emit the {RolesUpdated} event. log3(0, 0, _ROLES_UPDATED_EVENT_SIGNATURE, shr(96, mload(0x0c)), roles) } } /// @dev Updates the roles directly without authorization guard. /// If `on` is true, each set bit of `roles` will be turned on, /// otherwise, each set bit of `roles` will be turned off. function _updateRoles(address user, uint256 roles, bool on) internal virtual { /// @solidity memory-safe-assembly assembly { mstore(0x0c, _ROLE_SLOT_SEED) mstore(0x00, user) let roleSlot := keccak256(0x0c, 0x20) // Load the current value. let current := sload(roleSlot) // Compute the updated roles if `on` is true. let updated := or(current, roles) // Compute the updated roles if `on` is false. // Use `and` to compute the intersection of `current` and `roles`, // `xor` it with `current` to flip the bits in the intersection. if iszero(on) { updated := xor(current, and(current, roles)) } // Then, store the new value. sstore(roleSlot, updated) // Emit the {RolesUpdated} event. log3(0, 0, _ROLES_UPDATED_EVENT_SIGNATURE, shr(96, mload(0x0c)), updated) } } /// @dev Grants the roles directly without authorization guard. /// Each bit of `roles` represents the role to turn on. function _grantRoles(address user, uint256 roles) internal virtual { _updateRoles(user, roles, true); } /// @dev Removes the roles directly without authorization guard. /// Each bit of `roles` represents the role to turn off. function _removeRoles(address user, uint256 roles) internal virtual { _updateRoles(user, roles, false); } /// @dev Throws if the sender does not have any of the `roles`. function _checkRoles(uint256 roles) internal view virtual { /// @solidity memory-safe-assembly assembly { // Compute the role slot. mstore(0x0c, _ROLE_SLOT_SEED) mstore(0x00, caller()) // Load the stored value, and if the `and` intersection // of the value and `roles` is zero, revert. if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) { mstore(0x00, 0x82b42900) // `Unauthorized()`. revert(0x1c, 0x04) } } } /// @dev Throws if the sender is not the owner, /// and does not have any of the `roles`. /// Checks for ownership first, then lazily checks for roles. function _checkOwnerOrRoles(uint256 roles) internal view virtual { /// @solidity memory-safe-assembly assembly { // If the caller is not the stored owner. // Note: `_ROLE_SLOT_SEED` is equal to `_OWNER_SLOT_NOT`. if iszero(eq(caller(), sload(not(_ROLE_SLOT_SEED)))) { // Compute the role slot. mstore(0x0c, _ROLE_SLOT_SEED) mstore(0x00, caller()) // Load the stored value, and if the `and` intersection // of the value and `roles` is zero, revert. if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) { mstore(0x00, 0x82b42900) // `Unauthorized()`. revert(0x1c, 0x04) } } } } /// @dev Throws if the sender does not have any of the `roles`, /// and is not the owner. /// Checks for roles first, then lazily checks for ownership. function _checkRolesOrOwner(uint256 roles) internal view virtual { /// @solidity memory-safe-assembly assembly { // Compute the role slot. mstore(0x0c, _ROLE_SLOT_SEED) mstore(0x00, caller()) // Load the stored value, and if the `and` intersection // of the value and `roles` is zero, revert. if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) { // If the caller is not the stored owner. // Note: `_ROLE_SLOT_SEED` is equal to `_OWNER_SLOT_NOT`. if iszero(eq(caller(), sload(not(_ROLE_SLOT_SEED)))) { mstore(0x00, 0x82b42900) // `Unauthorized()`. revert(0x1c, 0x04) } } } } /// @dev Convenience function to return a `roles` bitmap from an array of `ordinals`. /// This is meant for frontends like Etherscan, and is therefore not fully optimized. /// Not recommended to be called on-chain. /// Made internal to conserve bytecode. Wrap it in a public function if needed. function _rolesFromOrdinals(uint8[] memory ordinals) internal pure returns (uint256 roles) { /// @solidity memory-safe-assembly assembly { for { let i := shl(5, mload(ordinals)) } i { i := sub(i, 0x20) } { // We don't need to mask the values of `ordinals`, as Solidity // cleans dirty upper bits when storing variables into memory. roles := or(shl(mload(add(ordinals, i)), 1), roles) } } } /// @dev Convenience function to return an array of `ordinals` from the `roles` bitmap. /// This is meant for frontends like Etherscan, and is therefore not fully optimized. /// Not recommended to be called on-chain. /// Made internal to conserve bytecode. Wrap it in a public function if needed. function _ordinalsFromRoles(uint256 roles) internal pure returns (uint8[] memory ordinals) { /// @solidity memory-safe-assembly assembly { // Grab the pointer to the free memory. ordinals := mload(0x40) let ptr := add(ordinals, 0x20) let o := 0 // The absence of lookup tables, De Bruijn, etc., here is intentional for // smaller bytecode, as this function is not meant to be called on-chain. for { let t := roles } 1 {} { mstore(ptr, o) // `shr` 5 is equivalent to multiplying by 0x20. // Push back into the ordinals array if the bit is set. ptr := add(ptr, shl(5, and(t, 1))) o := add(o, 1) t := shr(o, roles) if iszero(t) { break } } // Store the length of `ordinals`. mstore(ordinals, shr(5, sub(ptr, add(ordinals, 0x20)))) // Allocate the memory. mstore(0x40, ptr) } } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PUBLIC UPDATE FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Allows the owner to grant `user` `roles`. /// If the `user` already has a role, then it will be an no-op for the role. function grantRoles(address user, uint256 roles) public payable virtual onlyOwner { _grantRoles(user, roles); } /// @dev Allows the owner to remove `user` `roles`. /// If the `user` does not have a role, then it will be an no-op for the role. function revokeRoles(address user, uint256 roles) public payable virtual onlyOwner { _removeRoles(user, roles); } /// @dev Allow the caller to remove their own roles. /// If the caller does not have a role, then it will be an no-op for the role. function renounceRoles(uint256 roles) public payable virtual { _removeRoles(msg.sender, roles); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* PUBLIC READ FUNCTIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the roles of `user`. function rolesOf(address user) public view virtual returns (uint256 roles) { /// @solidity memory-safe-assembly assembly { // Compute the role slot. mstore(0x0c, _ROLE_SLOT_SEED) mstore(0x00, user) // Load the stored value. roles := sload(keccak256(0x0c, 0x20)) } } /// @dev Returns whether `user` has any of `roles`. function hasAnyRole(address user, uint256 roles) public view virtual returns (bool) { return rolesOf(user) & roles != 0; } /// @dev Returns whether `user` has all of `roles`. function hasAllRoles(address user, uint256 roles) public view virtual returns (bool) { return rolesOf(user) & roles == roles; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* MODIFIERS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Marks a function as only callable by an account with `roles`. modifier onlyRoles(uint256 roles) virtual { _checkRoles(roles); _; } /// @dev Marks a function as only callable by the owner or by an account /// with `roles`. Checks for ownership first, then lazily checks for roles. modifier onlyOwnerOrRoles(uint256 roles) virtual { _checkOwnerOrRoles(roles); _; } /// @dev Marks a function as only callable by an account with `roles` /// or the owner. Checks for roles first, then lazily checks for ownership. modifier onlyRolesOrOwner(uint256 roles) virtual { _checkRolesOrOwner(roles); _; } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ROLE CONSTANTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // IYKYK uint256 internal constant _ROLE_0 = 1 << 0; uint256 internal constant _ROLE_1 = 1 << 1; uint256 internal constant _ROLE_2 = 1 << 2; uint256 internal constant _ROLE_3 = 1 << 3; uint256 internal constant _ROLE_4 = 1 << 4; uint256 internal constant _ROLE_5 = 1 << 5; uint256 internal constant _ROLE_6 = 1 << 6; uint256 internal constant _ROLE_7 = 1 << 7; uint256 internal constant _ROLE_8 = 1 << 8; uint256 internal constant _ROLE_9 = 1 << 9; uint256 internal constant _ROLE_10 = 1 << 10; uint256 internal constant _ROLE_11 = 1 << 11; uint256 internal constant _ROLE_12 = 1 << 12; uint256 internal constant _ROLE_13 = 1 << 13; uint256 internal constant _ROLE_14 = 1 << 14; uint256 internal constant _ROLE_15 = 1 << 15; uint256 internal constant _ROLE_16 = 1 << 16; uint256 internal constant _ROLE_17 = 1 << 17; uint256 internal constant _ROLE_18 = 1 << 18; uint256 internal constant _ROLE_19 = 1 << 19; uint256 internal constant _ROLE_20 = 1 << 20; uint256 internal constant _ROLE_21 = 1 << 21; uint256 internal constant _ROLE_22 = 1 << 22; uint256 internal constant _ROLE_23 = 1 << 23; uint256 internal constant _ROLE_24 = 1 << 24; uint256 internal constant _ROLE_25 = 1 << 25; uint256 internal constant _ROLE_26 = 1 << 26; uint256 internal constant _ROLE_27 = 1 << 27; uint256 internal constant _ROLE_28 = 1 << 28; uint256 internal constant _ROLE_29 = 1 << 29; uint256 internal constant _ROLE_30 = 1 << 30; uint256 internal constant _ROLE_31 = 1 << 31; uint256 internal constant _ROLE_32 = 1 << 32; uint256 internal constant _ROLE_33 = 1 << 33; uint256 internal constant _ROLE_34 = 1 << 34; uint256 internal constant _ROLE_35 = 1 << 35; uint256 internal constant _ROLE_36 = 1 << 36; uint256 internal constant _ROLE_37 = 1 << 37; uint256 internal constant _ROLE_38 = 1 << 38; uint256 internal constant _ROLE_39 = 1 << 39; uint256 internal constant _ROLE_40 = 1 << 40; uint256 internal constant _ROLE_41 = 1 << 41; uint256 internal constant _ROLE_42 = 1 << 42; uint256 internal constant _ROLE_43 = 1 << 43; uint256 internal constant _ROLE_44 = 1 << 44; uint256 internal constant _ROLE_45 = 1 << 45; uint256 internal constant _ROLE_46 = 1 << 46; uint256 internal constant _ROLE_47 = 1 << 47; uint256 internal constant _ROLE_48 = 1 << 48; uint256 internal constant _ROLE_49 = 1 << 49; uint256 internal constant _ROLE_50 = 1 << 50; uint256 internal constant _ROLE_51 = 1 << 51; uint256 internal constant _ROLE_52 = 1 << 52; uint256 internal constant _ROLE_53 = 1 << 53; uint256 internal constant _ROLE_54 = 1 << 54; uint256 internal constant _ROLE_55 = 1 << 55; uint256 internal constant _ROLE_56 = 1 << 56; uint256 internal constant _ROLE_57 = 1 << 57; uint256 internal constant _ROLE_58 = 1 << 58; uint256 internal constant _ROLE_59 = 1 << 59; uint256 internal constant _ROLE_60 = 1 << 60; uint256 internal constant _ROLE_61 = 1 << 61; uint256 internal constant _ROLE_62 = 1 << 62; uint256 internal constant _ROLE_63 = 1 << 63; uint256 internal constant _ROLE_64 = 1 << 64; uint256 internal constant _ROLE_65 = 1 << 65; uint256 internal constant _ROLE_66 = 1 << 66; uint256 internal constant _ROLE_67 = 1 << 67; uint256 internal constant _ROLE_68 = 1 << 68; uint256 internal constant _ROLE_69 = 1 << 69; uint256 internal constant _ROLE_70 = 1 << 70; uint256 internal constant _ROLE_71 = 1 << 71; uint256 internal constant _ROLE_72 = 1 << 72; uint256 internal constant _ROLE_73 = 1 << 73; uint256 internal constant _ROLE_74 = 1 << 74; uint256 internal constant _ROLE_75 = 1 << 75; uint256 internal constant _ROLE_76 = 1 << 76; uint256 internal constant _ROLE_77 = 1 << 77; uint256 internal constant _ROLE_78 = 1 << 78; uint256 internal constant _ROLE_79 = 1 << 79; uint256 internal constant _ROLE_80 = 1 << 80; uint256 internal constant _ROLE_81 = 1 << 81; uint256 internal constant _ROLE_82 = 1 << 82; uint256 internal constant _ROLE_83 = 1 << 83; uint256 internal constant _ROLE_84 = 1 << 84; uint256 internal constant _ROLE_85 = 1 << 85; uint256 internal constant _ROLE_86 = 1 << 86; uint256 internal constant _ROLE_87 = 1 << 87; uint256 internal constant _ROLE_88 = 1 << 88; uint256 internal constant _ROLE_89 = 1 << 89; uint256 internal constant _ROLE_90 = 1 << 90; uint256 internal constant _ROLE_91 = 1 << 91; uint256 internal constant _ROLE_92 = 1 << 92; uint256 internal constant _ROLE_93 = 1 << 93; uint256 internal constant _ROLE_94 = 1 << 94; uint256 internal constant _ROLE_95 = 1 << 95; uint256 internal constant _ROLE_96 = 1 << 96; uint256 internal constant _ROLE_97 = 1 << 97; uint256 internal constant _ROLE_98 = 1 << 98; uint256 internal constant _ROLE_99 = 1 << 99; uint256 internal constant _ROLE_100 = 1 << 100; uint256 internal constant _ROLE_101 = 1 << 101; uint256 internal constant _ROLE_102 = 1 << 102; uint256 internal constant _ROLE_103 = 1 << 103; uint256 internal constant _ROLE_104 = 1 << 104; uint256 internal constant _ROLE_105 = 1 << 105; uint256 internal constant _ROLE_106 = 1 << 106; uint256 internal constant _ROLE_107 = 1 << 107; uint256 internal constant _ROLE_108 = 1 << 108; uint256 internal constant _ROLE_109 = 1 << 109; uint256 internal constant _ROLE_110 = 1 << 110; uint256 internal constant _ROLE_111 = 1 << 111; uint256 internal constant _ROLE_112 = 1 << 112; uint256 internal constant _ROLE_113 = 1 << 113; uint256 internal constant _ROLE_114 = 1 << 114; uint256 internal constant _ROLE_115 = 1 << 115; uint256 internal constant _ROLE_116 = 1 << 116; uint256 internal constant _ROLE_117 = 1 << 117; uint256 internal constant _ROLE_118 = 1 << 118; uint256 internal constant _ROLE_119 = 1 << 119; uint256 internal constant _ROLE_120 = 1 << 120; uint256 internal constant _ROLE_121 = 1 << 121; uint256 internal constant _ROLE_122 = 1 << 122; uint256 internal constant _ROLE_123 = 1 << 123; uint256 internal constant _ROLE_124 = 1 << 124; uint256 internal constant _ROLE_125 = 1 << 125; uint256 internal constant _ROLE_126 = 1 << 126; uint256 internal constant _ROLE_127 = 1 << 127; uint256 internal constant _ROLE_128 = 1 << 128; uint256 internal constant _ROLE_129 = 1 << 129; uint256 internal constant _ROLE_130 = 1 << 130; uint256 internal constant _ROLE_131 = 1 << 131; uint256 internal constant _ROLE_132 = 1 << 132; uint256 internal constant _ROLE_133 = 1 << 133; uint256 internal constant _ROLE_134 = 1 << 134; uint256 internal constant _ROLE_135 = 1 << 135; uint256 internal constant _ROLE_136 = 1 << 136; uint256 internal constant _ROLE_137 = 1 << 137; uint256 internal constant _ROLE_138 = 1 << 138; uint256 internal constant _ROLE_139 = 1 << 139; uint256 internal constant _ROLE_140 = 1 << 140; uint256 internal constant _ROLE_141 = 1 << 141; uint256 internal constant _ROLE_142 = 1 << 142; uint256 internal constant _ROLE_143 = 1 << 143; uint256 internal constant _ROLE_144 = 1 << 144; uint256 internal constant _ROLE_145 = 1 << 145; uint256 internal constant _ROLE_146 = 1 << 146; uint256 internal constant _ROLE_147 = 1 << 147; uint256 internal constant _ROLE_148 = 1 << 148; uint256 internal constant _ROLE_149 = 1 << 149; uint256 internal constant _ROLE_150 = 1 << 150; uint256 internal constant _ROLE_151 = 1 << 151; uint256 internal constant _ROLE_152 = 1 << 152; uint256 internal constant _ROLE_153 = 1 << 153; uint256 internal constant _ROLE_154 = 1 << 154; uint256 internal constant _ROLE_155 = 1 << 155; uint256 internal constant _ROLE_156 = 1 << 156; uint256 internal constant _ROLE_157 = 1 << 157; uint256 internal constant _ROLE_158 = 1 << 158; uint256 internal constant _ROLE_159 = 1 << 159; uint256 internal constant _ROLE_160 = 1 << 160; uint256 internal constant _ROLE_161 = 1 << 161; uint256 internal constant _ROLE_162 = 1 << 162; uint256 internal constant _ROLE_163 = 1 << 163; uint256 internal constant _ROLE_164 = 1 << 164; uint256 internal constant _ROLE_165 = 1 << 165; uint256 internal constant _ROLE_166 = 1 << 166; uint256 internal constant _ROLE_167 = 1 << 167; uint256 internal constant _ROLE_168 = 1 << 168; uint256 internal constant _ROLE_169 = 1 << 169; uint256 internal constant _ROLE_170 = 1 << 170; uint256 internal constant _ROLE_171 = 1 << 171; uint256 internal constant _ROLE_172 = 1 << 172; uint256 internal constant _ROLE_173 = 1 << 173; uint256 internal constant _ROLE_174 = 1 << 174; uint256 internal constant _ROLE_175 = 1 << 175; uint256 internal constant _ROLE_176 = 1 << 176; uint256 internal constant _ROLE_177 = 1 << 177; uint256 internal constant _ROLE_178 = 1 << 178; uint256 internal constant _ROLE_179 = 1 << 179; uint256 internal constant _ROLE_180 = 1 << 180; uint256 internal constant _ROLE_181 = 1 << 181; uint256 internal constant _ROLE_182 = 1 << 182; uint256 internal constant _ROLE_183 = 1 << 183; uint256 internal constant _ROLE_184 = 1 << 184; uint256 internal constant _ROLE_185 = 1 << 185; uint256 internal constant _ROLE_186 = 1 << 186; uint256 internal constant _ROLE_187 = 1 << 187; uint256 internal constant _ROLE_188 = 1 << 188; uint256 internal constant _ROLE_189 = 1 << 189; uint256 internal constant _ROLE_190 = 1 << 190; uint256 internal constant _ROLE_191 = 1 << 191; uint256 internal constant _ROLE_192 = 1 << 192; uint256 internal constant _ROLE_193 = 1 << 193; uint256 internal constant _ROLE_194 = 1 << 194; uint256 internal constant _ROLE_195 = 1 << 195; uint256 internal constant _ROLE_196 = 1 << 196; uint256 internal constant _ROLE_197 = 1 << 197; uint256 internal constant _ROLE_198 = 1 << 198; uint256 internal constant _ROLE_199 = 1 << 199; uint256 internal constant _ROLE_200 = 1 << 200; uint256 internal constant _ROLE_201 = 1 << 201; uint256 internal constant _ROLE_202 = 1 << 202; uint256 internal constant _ROLE_203 = 1 << 203; uint256 internal constant _ROLE_204 = 1 << 204; uint256 internal constant _ROLE_205 = 1 << 205; uint256 internal constant _ROLE_206 = 1 << 206; uint256 internal constant _ROLE_207 = 1 << 207; uint256 internal constant _ROLE_208 = 1 << 208; uint256 internal constant _ROLE_209 = 1 << 209; uint256 internal constant _ROLE_210 = 1 << 210; uint256 internal constant _ROLE_211 = 1 << 211; uint256 internal constant _ROLE_212 = 1 << 212; uint256 internal constant _ROLE_213 = 1 << 213; uint256 internal constant _ROLE_214 = 1 << 214; uint256 internal constant _ROLE_215 = 1 << 215; uint256 internal constant _ROLE_216 = 1 << 216; uint256 internal constant _ROLE_217 = 1 << 217; uint256 internal constant _ROLE_218 = 1 << 218; uint256 internal constant _ROLE_219 = 1 << 219; uint256 internal constant _ROLE_220 = 1 << 220; uint256 internal constant _ROLE_221 = 1 << 221; uint256 internal constant _ROLE_222 = 1 << 222; uint256 internal constant _ROLE_223 = 1 << 223; uint256 internal constant _ROLE_224 = 1 << 224; uint256 internal constant _ROLE_225 = 1 << 225; uint256 internal constant _ROLE_226 = 1 << 226; uint256 internal constant _ROLE_227 = 1 << 227; uint256 internal constant _ROLE_228 = 1 << 228; uint256 internal constant _ROLE_229 = 1 << 229; uint256 internal constant _ROLE_230 = 1 << 230; uint256 internal constant _ROLE_231 = 1 << 231; uint256 internal constant _ROLE_232 = 1 << 232; uint256 internal constant _ROLE_233 = 1 << 233; uint256 internal constant _ROLE_234 = 1 << 234; uint256 internal constant _ROLE_235 = 1 << 235; uint256 internal constant _ROLE_236 = 1 << 236; uint256 internal constant _ROLE_237 = 1 << 237; uint256 internal constant _ROLE_238 = 1 << 238; uint256 internal constant _ROLE_239 = 1 << 239; uint256 internal constant _ROLE_240 = 1 << 240; uint256 internal constant _ROLE_241 = 1 << 241; uint256 internal constant _ROLE_242 = 1 << 242; uint256 internal constant _ROLE_243 = 1 << 243; uint256 internal constant _ROLE_244 = 1 << 244; uint256 internal constant _ROLE_245 = 1 << 245; uint256 internal constant _ROLE_246 = 1 << 246; uint256 internal constant _ROLE_247 = 1 << 247; uint256 internal constant _ROLE_248 = 1 << 248; uint256 internal constant _ROLE_249 = 1 << 249; uint256 internal constant _ROLE_250 = 1 << 250; uint256 internal constant _ROLE_251 = 1 << 251; uint256 internal constant _ROLE_252 = 1 << 252; uint256 internal constant _ROLE_253 = 1 << 253; uint256 internal constant _ROLE_254 = 1 << 254; uint256 internal constant _ROLE_255 = 1 << 255; }
{ "viaIR": false, "codegen": "yul", "remappings": [ "@solady-0.0.232/=dependencies/solady-0.0.232/", "forge-std/=lib/forge-std/src/" ], "evmVersion": "cancun", "outputSelection": { "*": { "*": [ "abi", "metadata" ], "": [ "ast" ] } }, "optimizer": { "enabled": true, "mode": "3", "fallback_to_optimizing_for_size": false, "disable_system_request_memoization": true }, "metadata": {}, "libraries": {}, "enableEraVMExtensions": false, "forceEVMLA": false }
[{"inputs":[{"internalType":"contract AbstractBadge","name":"_badge","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"MINT_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","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":"address","name":"account","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"mintBadge","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"result","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"ownershipHandoverExpiresAt","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"requestOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
9c4d535b00000000000000000000000000000000000000000000000000000000000000000100015f85d055c6070da1f232ad65a0894330f6de1ebe41effa525eb7d875bc000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000200000000000000000000000000fe1677c26f115ab499bb0dc1d6c10c1f840e6ef
Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000000fe1677c26f115ab499bb0dc1d6c10c1f840e6ef
-----Decoded View---------------
Arg [0] : _badge (address): 0x0Fe1677c26f115aB499BB0dC1d6C10C1F840e6Ef
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000000fe1677c26f115ab499bb0dc1d6c10c1f840e6ef
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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.