ETH Price: $2,090.79 (+1.97%)
Gas: 0.03 Gwei

Transaction Decoder

Block:
23847378 at Nov-21-2025 12:26:47 PM +UTC
Transaction Fee:
0.001270532544327405 ETH $2.66
Gas Used:
144,615 Gas / 8.785620747 Gwei

Emitted Events:

288 0x306b1ea3ecdf94ab739f1910bbda052ed4a9f949.0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925( 0x8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925, 0x0000000000000000000000008e4b7a1c4f36c88ef85080735a033c8569380584, 0x0000000000000000000000000000000000000000000000000000000000000000, 0x000000000000000000000000000000000000000000000000000000000000154d )
289 0x306b1ea3ecdf94ab739f1910bbda052ed4a9f949.0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef( 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef, 0x0000000000000000000000008e4b7a1c4f36c88ef85080735a033c8569380584, 0x000000000000000000000000e2b932cf5cc0a081b4b655b01afce35e9e7944cd, 0x000000000000000000000000000000000000000000000000000000000000154d )
290 0xb2ecfe4e4d61f8790bbb9de2d1259b9e2410cea5.0x1d5e12b51dee5e4d34434576c3fb99714a85f57b0fd546ada4b0bddd736d12b2( 0x1d5e12b51dee5e4d34434576c3fb99714a85f57b0fd546ada4b0bddd736d12b2, 61ae6057597aff037762512c32cd0fcd0d667f0a9786947c62adbc1989f8597e, 000000000000000000154d008e4b7a1c4f36c88ef85080735a033c8569380584, 0000000000f8a788bfd46000306b1ea3ecdf94ab739f1910bbda052ed4a9f949 )

Account State Difference:

  Address   Before After State Difference Code
0x306b1ea3...Ed4A9f949
(Titan Builder)
195.379084533670699893 Eth195.379373763670699893 Eth0.00028923
0x8E4b7a1c...569380584 0.236854412676911399 Eth0.306844412676911399 Eth0.06999
0xb2ecfE4E...e2410CEA5
(Blur.io: Marketplace 3)
0xe2B932CF...E9e7944Cd
0.075463018872756816 Eth
Nonce: 44
0.004202486328429411 Eth
Nonce: 45
0.071260532544327405

Execution Trace

ETH 0.06999 Blur.io: Marketplace 3.70bce2d6( )
  • ETH 0.06999 0x5fa60726e62c50af45ff2f6280c468da438a7837.70bce2d6( )
    • Null: 0x000...001.179364d5( )
    • Null: 0x000...001.db91aa1f( )
    • Delegate.transfer( taker=0xe2B932CF5cC0a081B4b655b01aFce35E9e7944Cd, orderType=0, transfers=, length=1 ) => ( successful=[true] )
      • BEANZ Official: SMTH Token.42842e0e( )
      • ETH 0.06999 0x8e4b7a1c4f36c88ef85080735a033c8569380584.CALL( )
        // SPDX-License-Identifier: MIT
        pragma solidity 0.8.17;
        import { ERC721 } from "lib/solmate/src/tokens/ERC721.sol";
        import { ERC1155 } from "lib/solmate/src/tokens/ERC1155.sol";
        import { ERC20 } from "lib/solmate/src/tokens/ERC20.sol";
        import "./lib/Constants.sol";
        import { AssetType, OrderType, Transfer } from "./lib/Structs.sol";
        contract Delegate {
            error Unauthorized();
            error InvalidLength();
            address private immutable _EXCHANGE;
            constructor(address exchange) {
                _EXCHANGE = exchange;
            }
            modifier onlyApproved() {
                if (msg.sender != _EXCHANGE) {
                    revert Unauthorized();
                }
                _;
            }
            function transfer(
                address taker,
                OrderType orderType,
                Transfer[] calldata transfers,
                uint256 length
            ) external onlyApproved returns (bool[] memory successful) {
                if (transfers.length < length) {
                    revert InvalidLength();
                }
                successful = new bool[](length);
                for (uint256 i; i < length; ) {
                    assembly {
                        let calldataPointer := mload(0x40)
                        let transfersPointer := add(transfers.offset, mul(Transfer_size, i))
                        let assetType := calldataload(add(transfersPointer, Transfer_assetType_offset))
                        switch assetType
                        case 0 {
                            // AssetType_ERC721
                            mstore(calldataPointer, ERC721_safeTransferFrom_selector)
                            switch orderType
                            case 0 {
                                // OrderType_ASK; taker is recipient
                                mstore(add(calldataPointer, ERC721_safeTransferFrom_to_offset), taker)
                                mstore(
                                    add(calldataPointer, ERC721_safeTransferFrom_from_offset),
                                    calldataload(add(transfersPointer, Transfer_trader_offset))
                                )
                            }
                            case 1 {
                                // OrderType_BID; taker is sender
                                mstore(add(calldataPointer, ERC721_safeTransferFrom_from_offset), taker)
                                mstore(
                                    add(calldataPointer, ERC721_safeTransferFrom_to_offset),
                                    calldataload(add(transfersPointer, Transfer_trader_offset))
                                )
                            }
                            default {
                                revert(0, 0)
                            }
                            mstore(
                                add(calldataPointer, ERC721_safeTransferFrom_id_offset),
                                calldataload(add(transfersPointer, Transfer_id_offset))
                            )
                            let collection := calldataload(
                                add(transfersPointer, Transfer_collection_offset)
                            )
                            let success := call(
                                gas(),
                                collection,
                                0,
                                calldataPointer,
                                ERC721_safeTransferFrom_size,
                                0,
                                0
                            )
                            mstore(add(add(successful, 0x20), mul(0x20, i)), success)
                        }
                        case 1 {
                            // AssetType_ERC1155
                            mstore(calldataPointer, ERC1155_safeTransferFrom_selector)
                            switch orderType
                            case 0 {
                                // OrderType_ASK; taker is recipient
                                mstore(
                                    add(calldataPointer, ERC1155_safeTransferFrom_from_offset),
                                    calldataload(
                                        add(
                                            transfersPointer,
                                            Transfer_trader_offset
                                        )
                                    )
                                )
                                mstore(add(calldataPointer, ERC1155_safeTransferFrom_to_offset), taker)
                            }
                            case 1 {
                                // OrderType_BID; taker is sender
                                mstore(
                                    add(calldataPointer, ERC1155_safeTransferFrom_to_offset),
                                    calldataload(
                                        add(
                                            transfersPointer,
                                            Transfer_trader_offset
                                        )
                                    )
                                )
                                mstore(add(calldataPointer, ERC1155_safeTransferFrom_from_offset), taker)
                            }
                            default {
                                revert(0, 0)
                            }
                            mstore(add(calldataPointer, ERC1155_safeTransferFrom_data_pointer_offset), 0xa0)
                            mstore(add(calldataPointer, ERC1155_safeTransferFrom_data_offset), 0)
                            mstore(
                                add(calldataPointer, ERC1155_safeTransferFrom_id_offset),
                                calldataload(
                                    add(transfersPointer, Transfer_id_offset)
                                )
                            )
                            mstore(
                                add(calldataPointer, ERC1155_safeTransferFrom_amount_offset),
                                calldataload(
                                    add(
                                        transfersPointer,
                                        Transfer_amount_offset
                                    )
                                )
                            )
                            let collection := calldataload(
                                add(
                                    transfersPointer,
                                    Transfer_collection_offset
                                )
                            )
                            let success := call(
                                gas(),
                                collection,
                                0,
                                calldataPointer,
                                ERC1155_safeTransferFrom_size,
                                0,
                                0
                            )
                            mstore(add(add(successful, 0x20), mul(0x20, i)), success)
                        }
                        default {
                            revert(0, 0)
                        }
                    }
                    unchecked {
                        ++i;
                    }
                }
            }
        }
        // SPDX-License-Identifier: AGPL-3.0-only
        pragma solidity >=0.8.0;
        /// @notice Modern, minimalist, and gas efficient ERC-721 implementation.
        /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol)
        abstract contract ERC721 {
            /*//////////////////////////////////////////////////////////////
                                         EVENTS
            //////////////////////////////////////////////////////////////*/
            event Transfer(address indexed from, address indexed to, uint256 indexed id);
            event Approval(address indexed owner, address indexed spender, uint256 indexed id);
            event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
            /*//////////////////////////////////////////////////////////////
                                 METADATA STORAGE/LOGIC
            //////////////////////////////////////////////////////////////*/
            string public name;
            string public symbol;
            function tokenURI(uint256 id) public view virtual returns (string memory);
            /*//////////////////////////////////////////////////////////////
                              ERC721 BALANCE/OWNER STORAGE
            //////////////////////////////////////////////////////////////*/
            mapping(uint256 => address) internal _ownerOf;
            mapping(address => uint256) internal _balanceOf;
            function ownerOf(uint256 id) public view virtual returns (address owner) {
                require((owner = _ownerOf[id]) != address(0), "NOT_MINTED");
            }
            function balanceOf(address owner) public view virtual returns (uint256) {
                require(owner != address(0), "ZERO_ADDRESS");
                return _balanceOf[owner];
            }
            /*//////////////////////////////////////////////////////////////
                                 ERC721 APPROVAL STORAGE
            //////////////////////////////////////////////////////////////*/
            mapping(uint256 => address) public getApproved;
            mapping(address => mapping(address => bool)) public isApprovedForAll;
            /*//////////////////////////////////////////////////////////////
                                       CONSTRUCTOR
            //////////////////////////////////////////////////////////////*/
            constructor(string memory _name, string memory _symbol) {
                name = _name;
                symbol = _symbol;
            }
            /*//////////////////////////////////////////////////////////////
                                      ERC721 LOGIC
            //////////////////////////////////////////////////////////////*/
            function approve(address spender, uint256 id) public virtual {
                address owner = _ownerOf[id];
                require(msg.sender == owner || isApprovedForAll[owner][msg.sender], "NOT_AUTHORIZED");
                getApproved[id] = spender;
                emit Approval(owner, spender, id);
            }
            function setApprovalForAll(address operator, bool approved) public virtual {
                isApprovedForAll[msg.sender][operator] = approved;
                emit ApprovalForAll(msg.sender, operator, approved);
            }
            function transferFrom(
                address from,
                address to,
                uint256 id
            ) public virtual {
                require(from == _ownerOf[id], "WRONG_FROM");
                require(to != address(0), "INVALID_RECIPIENT");
                require(
                    msg.sender == from || isApprovedForAll[from][msg.sender] || msg.sender == getApproved[id],
                    "NOT_AUTHORIZED"
                );
                // Underflow of the sender's balance is impossible because we check for
                // ownership above and the recipient's balance can't realistically overflow.
                unchecked {
                    _balanceOf[from]--;
                    _balanceOf[to]++;
                }
                _ownerOf[id] = to;
                delete getApproved[id];
                emit Transfer(from, to, id);
            }
            function safeTransferFrom(
                address from,
                address to,
                uint256 id
            ) public virtual {
                transferFrom(from, to, id);
                require(
                    to.code.length == 0 ||
                        ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, "") ==
                        ERC721TokenReceiver.onERC721Received.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            function safeTransferFrom(
                address from,
                address to,
                uint256 id,
                bytes calldata data
            ) public virtual {
                transferFrom(from, to, id);
                require(
                    to.code.length == 0 ||
                        ERC721TokenReceiver(to).onERC721Received(msg.sender, from, id, data) ==
                        ERC721TokenReceiver.onERC721Received.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            /*//////////////////////////////////////////////////////////////
                                      ERC165 LOGIC
            //////////////////////////////////////////////////////////////*/
            function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
                return
                    interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
                    interfaceId == 0x80ac58cd || // ERC165 Interface ID for ERC721
                    interfaceId == 0x5b5e139f; // ERC165 Interface ID for ERC721Metadata
            }
            /*//////////////////////////////////////////////////////////////
                                INTERNAL MINT/BURN LOGIC
            //////////////////////////////////////////////////////////////*/
            function _mint(address to, uint256 id) internal virtual {
                require(to != address(0), "INVALID_RECIPIENT");
                require(_ownerOf[id] == address(0), "ALREADY_MINTED");
                // Counter overflow is incredibly unrealistic.
                unchecked {
                    _balanceOf[to]++;
                }
                _ownerOf[id] = to;
                emit Transfer(address(0), to, id);
            }
            function _burn(uint256 id) internal virtual {
                address owner = _ownerOf[id];
                require(owner != address(0), "NOT_MINTED");
                // Ownership check above ensures no underflow.
                unchecked {
                    _balanceOf[owner]--;
                }
                delete _ownerOf[id];
                delete getApproved[id];
                emit Transfer(owner, address(0), id);
            }
            /*//////////////////////////////////////////////////////////////
                                INTERNAL SAFE MINT LOGIC
            //////////////////////////////////////////////////////////////*/
            function _safeMint(address to, uint256 id) internal virtual {
                _mint(to, id);
                require(
                    to.code.length == 0 ||
                        ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, "") ==
                        ERC721TokenReceiver.onERC721Received.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            function _safeMint(
                address to,
                uint256 id,
                bytes memory data
            ) internal virtual {
                _mint(to, id);
                require(
                    to.code.length == 0 ||
                        ERC721TokenReceiver(to).onERC721Received(msg.sender, address(0), id, data) ==
                        ERC721TokenReceiver.onERC721Received.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
        }
        /// @notice A generic interface for a contract which properly accepts ERC721 tokens.
        /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC721.sol)
        abstract contract ERC721TokenReceiver {
            function onERC721Received(
                address,
                address,
                uint256,
                bytes calldata
            ) external virtual returns (bytes4) {
                return ERC721TokenReceiver.onERC721Received.selector;
            }
        }
        // SPDX-License-Identifier: AGPL-3.0-only
        pragma solidity >=0.8.0;
        /// @notice Minimalist and gas efficient standard ERC1155 implementation.
        /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
        abstract contract ERC1155 {
            /*//////////////////////////////////////////////////////////////
                                         EVENTS
            //////////////////////////////////////////////////////////////*/
            event TransferSingle(
                address indexed operator,
                address indexed from,
                address indexed to,
                uint256 id,
                uint256 amount
            );
            event TransferBatch(
                address indexed operator,
                address indexed from,
                address indexed to,
                uint256[] ids,
                uint256[] amounts
            );
            event ApprovalForAll(address indexed owner, address indexed operator, bool approved);
            event URI(string value, uint256 indexed id);
            /*//////////////////////////////////////////////////////////////
                                     ERC1155 STORAGE
            //////////////////////////////////////////////////////////////*/
            mapping(address => mapping(uint256 => uint256)) public balanceOf;
            mapping(address => mapping(address => bool)) public isApprovedForAll;
            /*//////////////////////////////////////////////////////////////
                                     METADATA LOGIC
            //////////////////////////////////////////////////////////////*/
            function uri(uint256 id) public view virtual returns (string memory);
            /*//////////////////////////////////////////////////////////////
                                      ERC1155 LOGIC
            //////////////////////////////////////////////////////////////*/
            function setApprovalForAll(address operator, bool approved) public virtual {
                isApprovedForAll[msg.sender][operator] = approved;
                emit ApprovalForAll(msg.sender, operator, approved);
            }
            function safeTransferFrom(
                address from,
                address to,
                uint256 id,
                uint256 amount,
                bytes calldata data
            ) public virtual {
                require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");
                balanceOf[from][id] -= amount;
                balanceOf[to][id] += amount;
                emit TransferSingle(msg.sender, from, to, id, amount);
                require(
                    to.code.length == 0
                        ? to != address(0)
                        : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, from, id, amount, data) ==
                            ERC1155TokenReceiver.onERC1155Received.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            function safeBatchTransferFrom(
                address from,
                address to,
                uint256[] calldata ids,
                uint256[] calldata amounts,
                bytes calldata data
            ) public virtual {
                require(ids.length == amounts.length, "LENGTH_MISMATCH");
                require(msg.sender == from || isApprovedForAll[from][msg.sender], "NOT_AUTHORIZED");
                // Storing these outside the loop saves ~15 gas per iteration.
                uint256 id;
                uint256 amount;
                for (uint256 i = 0; i < ids.length; ) {
                    id = ids[i];
                    amount = amounts[i];
                    balanceOf[from][id] -= amount;
                    balanceOf[to][id] += amount;
                    // An array can't have a total length
                    // larger than the max uint256 value.
                    unchecked {
                        ++i;
                    }
                }
                emit TransferBatch(msg.sender, from, to, ids, amounts);
                require(
                    to.code.length == 0
                        ? to != address(0)
                        : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, from, ids, amounts, data) ==
                            ERC1155TokenReceiver.onERC1155BatchReceived.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            function balanceOfBatch(address[] calldata owners, uint256[] calldata ids)
                public
                view
                virtual
                returns (uint256[] memory balances)
            {
                require(owners.length == ids.length, "LENGTH_MISMATCH");
                balances = new uint256[](owners.length);
                // Unchecked because the only math done is incrementing
                // the array index counter which cannot possibly overflow.
                unchecked {
                    for (uint256 i = 0; i < owners.length; ++i) {
                        balances[i] = balanceOf[owners[i]][ids[i]];
                    }
                }
            }
            /*//////////////////////////////////////////////////////////////
                                      ERC165 LOGIC
            //////////////////////////////////////////////////////////////*/
            function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
                return
                    interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
                    interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
                    interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI
            }
            /*//////////////////////////////////////////////////////////////
                                INTERNAL MINT/BURN LOGIC
            //////////////////////////////////////////////////////////////*/
            function _mint(
                address to,
                uint256 id,
                uint256 amount,
                bytes memory data
            ) internal virtual {
                balanceOf[to][id] += amount;
                emit TransferSingle(msg.sender, address(0), to, id, amount);
                require(
                    to.code.length == 0
                        ? to != address(0)
                        : ERC1155TokenReceiver(to).onERC1155Received(msg.sender, address(0), id, amount, data) ==
                            ERC1155TokenReceiver.onERC1155Received.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            function _batchMint(
                address to,
                uint256[] memory ids,
                uint256[] memory amounts,
                bytes memory data
            ) internal virtual {
                uint256 idsLength = ids.length; // Saves MLOADs.
                require(idsLength == amounts.length, "LENGTH_MISMATCH");
                for (uint256 i = 0; i < idsLength; ) {
                    balanceOf[to][ids[i]] += amounts[i];
                    // An array can't have a total length
                    // larger than the max uint256 value.
                    unchecked {
                        ++i;
                    }
                }
                emit TransferBatch(msg.sender, address(0), to, ids, amounts);
                require(
                    to.code.length == 0
                        ? to != address(0)
                        : ERC1155TokenReceiver(to).onERC1155BatchReceived(msg.sender, address(0), ids, amounts, data) ==
                            ERC1155TokenReceiver.onERC1155BatchReceived.selector,
                    "UNSAFE_RECIPIENT"
                );
            }
            function _batchBurn(
                address from,
                uint256[] memory ids,
                uint256[] memory amounts
            ) internal virtual {
                uint256 idsLength = ids.length; // Saves MLOADs.
                require(idsLength == amounts.length, "LENGTH_MISMATCH");
                for (uint256 i = 0; i < idsLength; ) {
                    balanceOf[from][ids[i]] -= amounts[i];
                    // An array can't have a total length
                    // larger than the max uint256 value.
                    unchecked {
                        ++i;
                    }
                }
                emit TransferBatch(msg.sender, from, address(0), ids, amounts);
            }
            function _burn(
                address from,
                uint256 id,
                uint256 amount
            ) internal virtual {
                balanceOf[from][id] -= amount;
                emit TransferSingle(msg.sender, from, address(0), id, amount);
            }
        }
        /// @notice A generic interface for a contract which properly accepts ERC1155 tokens.
        /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC1155.sol)
        abstract contract ERC1155TokenReceiver {
            function onERC1155Received(
                address,
                address,
                uint256,
                uint256,
                bytes calldata
            ) external virtual returns (bytes4) {
                return ERC1155TokenReceiver.onERC1155Received.selector;
            }
            function onERC1155BatchReceived(
                address,
                address,
                uint256[] calldata,
                uint256[] calldata,
                bytes calldata
            ) external virtual returns (bytes4) {
                return ERC1155TokenReceiver.onERC1155BatchReceived.selector;
            }
        }
        // SPDX-License-Identifier: AGPL-3.0-only
        pragma solidity >=0.8.0;
        /// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
        /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
        /// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
        /// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
        abstract contract ERC20 {
            /*//////////////////////////////////////////////////////////////
                                         EVENTS
            //////////////////////////////////////////////////////////////*/
            event Transfer(address indexed from, address indexed to, uint256 amount);
            event Approval(address indexed owner, address indexed spender, uint256 amount);
            /*//////////////////////////////////////////////////////////////
                                    METADATA STORAGE
            //////////////////////////////////////////////////////////////*/
            string public name;
            string public symbol;
            uint8 public immutable decimals;
            /*//////////////////////////////////////////////////////////////
                                      ERC20 STORAGE
            //////////////////////////////////////////////////////////////*/
            uint256 public totalSupply;
            mapping(address => uint256) public balanceOf;
            mapping(address => mapping(address => uint256)) public allowance;
            /*//////////////////////////////////////////////////////////////
                                    EIP-2612 STORAGE
            //////////////////////////////////////////////////////////////*/
            uint256 internal immutable INITIAL_CHAIN_ID;
            bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
            mapping(address => uint256) public nonces;
            /*//////////////////////////////////////////////////////////////
                                       CONSTRUCTOR
            //////////////////////////////////////////////////////////////*/
            constructor(
                string memory _name,
                string memory _symbol,
                uint8 _decimals
            ) {
                name = _name;
                symbol = _symbol;
                decimals = _decimals;
                INITIAL_CHAIN_ID = block.chainid;
                INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
            }
            /*//////////////////////////////////////////////////////////////
                                       ERC20 LOGIC
            //////////////////////////////////////////////////////////////*/
            function approve(address spender, uint256 amount) public virtual returns (bool) {
                allowance[msg.sender][spender] = amount;
                emit Approval(msg.sender, spender, amount);
                return true;
            }
            function transfer(address to, uint256 amount) public virtual returns (bool) {
                balanceOf[msg.sender] -= amount;
                // Cannot overflow because the sum of all user
                // balances can't exceed the max uint256 value.
                unchecked {
                    balanceOf[to] += amount;
                }
                emit Transfer(msg.sender, to, amount);
                return true;
            }
            function transferFrom(
                address from,
                address to,
                uint256 amount
            ) public virtual returns (bool) {
                uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.
                if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
                balanceOf[from] -= amount;
                // Cannot overflow because the sum of all user
                // balances can't exceed the max uint256 value.
                unchecked {
                    balanceOf[to] += amount;
                }
                emit Transfer(from, to, amount);
                return true;
            }
            /*//////////////////////////////////////////////////////////////
                                     EIP-2612 LOGIC
            //////////////////////////////////////////////////////////////*/
            function permit(
                address owner,
                address spender,
                uint256 value,
                uint256 deadline,
                uint8 v,
                bytes32 r,
                bytes32 s
            ) public virtual {
                require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");
                // Unchecked because the only math done is incrementing
                // the owner's nonce which cannot realistically overflow.
                unchecked {
                    address recoveredAddress = ecrecover(
                        keccak256(
                            abi.encodePacked(
                                "\\x19\\x01",
                                DOMAIN_SEPARATOR(),
                                keccak256(
                                    abi.encode(
                                        keccak256(
                                            "Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
                                        ),
                                        owner,
                                        spender,
                                        value,
                                        nonces[owner]++,
                                        deadline
                                    )
                                )
                            )
                        ),
                        v,
                        r,
                        s
                    );
                    require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");
                    allowance[recoveredAddress][spender] = value;
                }
                emit Approval(owner, spender, value);
            }
            function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
                return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
            }
            function computeDomainSeparator() internal view virtual returns (bytes32) {
                return
                    keccak256(
                        abi.encode(
                            keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
                            keccak256(bytes(name)),
                            keccak256("1"),
                            block.chainid,
                            address(this)
                        )
                    );
            }
            /*//////////////////////////////////////////////////////////////
                                INTERNAL MINT/BURN LOGIC
            //////////////////////////////////////////////////////////////*/
            function _mint(address to, uint256 amount) internal virtual {
                totalSupply += amount;
                // Cannot overflow because the sum of all user
                // balances can't exceed the max uint256 value.
                unchecked {
                    balanceOf[to] += amount;
                }
                emit Transfer(address(0), to, amount);
            }
            function _burn(address from, uint256 amount) internal virtual {
                balanceOf[from] -= amount;
                // Cannot underflow because a user's balance
                // will never be larger than the total supply.
                unchecked {
                    totalSupply -= amount;
                }
                emit Transfer(from, address(0), amount);
            }
        }
        // SPDX-License-Identifier: MIT
        pragma solidity 0.8.17;
        uint256 constant Bytes1_shift = 0xf8;
        uint256 constant Bytes4_shift = 0xe0;
        uint256 constant Bytes20_shift = 0x60;
        uint256 constant One_word = 0x20;
        uint256 constant Memory_pointer = 0x40;
        uint256 constant AssetType_ERC721 = 0;
        uint256 constant AssetType_ERC1155 = 1;
        uint256 constant OrderType_ASK = 0;
        uint256 constant OrderType_BID = 1;
        uint256 constant Pool_withdrawFrom_selector = 0x9555a94200000000000000000000000000000000000000000000000000000000;
        uint256 constant Pool_withdrawFrom_from_offset = 0x04;
        uint256 constant Pool_withdrawFrom_to_offset = 0x24;
        uint256 constant Pool_withdrawFrom_amount_offset = 0x44;
        uint256 constant Pool_withdrawFrom_size = 0x64;
        uint256 constant Pool_deposit_selector = 0xf340fa0100000000000000000000000000000000000000000000000000000000;
        uint256 constant Pool_deposit_user_offset = 0x04;
        uint256 constant Pool_deposit_size = 0x24;
        uint256 constant ERC20_transferFrom_selector = 0x23b872dd00000000000000000000000000000000000000000000000000000000;
        uint256 constant ERC721_safeTransferFrom_selector = 0x42842e0e00000000000000000000000000000000000000000000000000000000;
        uint256 constant ERC1155_safeTransferFrom_selector = 0xf242432a00000000000000000000000000000000000000000000000000000000;
        uint256 constant ERC20_transferFrom_size = 0x64;
        uint256 constant ERC721_safeTransferFrom_size = 0x64;
        uint256 constant ERC1155_safeTransferFrom_size = 0xc4;
        uint256 constant OracleSignatures_size = 0x59;
        uint256 constant OracleSignatures_s_offset = 0x20;
        uint256 constant OracleSignatures_v_offset = 0x40;
        uint256 constant OracleSignatures_blockNumber_offset = 0x41;
        uint256 constant OracleSignatures_oracle_offset = 0x45;
        uint256 constant Signatures_size = 0x41;
        uint256 constant Signatures_s_offset = 0x20;
        uint256 constant Signatures_v_offset = 0x40;
        uint256 constant ERC20_transferFrom_from_offset = 0x4;
        uint256 constant ERC20_transferFrom_to_offset = 0x24;
        uint256 constant ERC20_transferFrom_amount_offset = 0x44;
        uint256 constant ERC721_safeTransferFrom_from_offset = 0x4;
        uint256 constant ERC721_safeTransferFrom_to_offset = 0x24;
        uint256 constant ERC721_safeTransferFrom_id_offset = 0x44;
        uint256 constant ERC1155_safeTransferFrom_from_offset = 0x4;
        uint256 constant ERC1155_safeTransferFrom_to_offset = 0x24;
        uint256 constant ERC1155_safeTransferFrom_id_offset = 0x44;
        uint256 constant ERC1155_safeTransferFrom_amount_offset = 0x64;
        uint256 constant ERC1155_safeTransferFrom_data_pointer_offset = 0x84;
        uint256 constant ERC1155_safeTransferFrom_data_offset = 0xa4;
        uint256 constant Delegate_transfer_selector = 0xa1ccb98e00000000000000000000000000000000000000000000000000000000;
        uint256 constant Delegate_transfer_calldata_offset = 0x1c;
        uint256 constant Order_size = 0x100;
        uint256 constant Order_trader_offset = 0x00;
        uint256 constant Order_collection_offset = 0x20;
        uint256 constant Order_listingsRoot_offset = 0x40;
        uint256 constant Order_numberOfListings_offset = 0x60;
        uint256 constant Order_expirationTime_offset = 0x80;
        uint256 constant Order_assetType_offset = 0xa0;
        uint256 constant Order_makerFee_offset = 0xc0;
        uint256 constant Order_salt_offset = 0xe0;
        uint256 constant Exchange_size = 0x80;
        uint256 constant Exchange_askIndex_offset = 0x00;
        uint256 constant Exchange_proof_offset = 0x20;
        uint256 constant Exchange_maker_offset = 0x40;
        uint256 constant Exchange_taker_offset = 0x60;
        uint256 constant BidExchange_size = 0x80;
        uint256 constant BidExchange_askIndex_offset = 0x00;
        uint256 constant BidExchange_proof_offset = 0x20;
        uint256 constant BidExchange_maker_offset = 0x40;
        uint256 constant BidExchange_taker_offset = 0x60;
        uint256 constant Listing_size = 0x80;
        uint256 constant Listing_index_offset = 0x00;
        uint256 constant Listing_tokenId_offset = 0x20;
        uint256 constant Listing_amount_offset = 0x40;
        uint256 constant Listing_price_offset = 0x60;
        uint256 constant Taker_size = 0x40;
        uint256 constant Taker_tokenId_offset = 0x00;
        uint256 constant Taker_amount_offset = 0x20;
        uint256 constant StateUpdate_size = 0x80;
        uint256 constant StateUpdate_salt_offset = 0x20;
        uint256 constant StateUpdate_leaf_offset = 0x40;
        uint256 constant StateUpdate_value_offset = 0x60;
        uint256 constant Transfer_size = 0xa0;
        uint256 constant Transfer_trader_offset = 0x00;
        uint256 constant Transfer_id_offset = 0x20;
        uint256 constant Transfer_amount_offset = 0x40;
        uint256 constant Transfer_collection_offset = 0x60;
        uint256 constant Transfer_assetType_offset = 0x80;
        uint256 constant ExecutionBatch_selector_offset = 0x20;
        uint256 constant ExecutionBatch_calldata_offset = 0x40;
        uint256 constant ExecutionBatch_base_size = 0xa0; // size of the executionBatch without the flattened dynamic elements
        uint256 constant ExecutionBatch_taker_offset = 0x00;
        uint256 constant ExecutionBatch_orderType_offset = 0x20;
        uint256 constant ExecutionBatch_transfers_pointer_offset = 0x40;
        uint256 constant ExecutionBatch_length_offset = 0x60;
        uint256 constant ExecutionBatch_transfers_offset = 0x80;
        // SPDX-License-Identifier: MIT
        pragma solidity ^0.8.17;
        struct TakeAsk {
            Order[] orders;
            Exchange[] exchanges;
            FeeRate takerFee;
            bytes signatures;
            address tokenRecipient;
        }
        struct TakeAskSingle {
            Order order;
            Exchange exchange;
            FeeRate takerFee;
            bytes signature;
            address tokenRecipient;
        }
        struct TakeBid {
            Order[] orders;
            Exchange[] exchanges;
            FeeRate takerFee;
            bytes signatures;
        }
        struct TakeBidSingle {
            Order order;
            Exchange exchange;
            FeeRate takerFee;
            bytes signature;
        }
        enum AssetType {
            ERC721,
            ERC1155
        }
        enum OrderType {
            ASK,
            BID
        }
        struct Exchange { // Size: 0x80
            uint256 index; // 0x00
            bytes32[] proof; // 0x20
            Listing listing; // 0x40
            Taker taker; // 0x60
        }
        struct Listing { // Size: 0x80
            uint256 index; // 0x00
            uint256 tokenId; // 0x20
            uint256 amount; // 0x40
            uint256 price; // 0x60
        }
        struct Taker { // Size: 0x40
            uint256 tokenId; // 0x00
            uint256 amount; // 0x20
        }
        struct Order { // Size: 0x100
            address trader; // 0x00
            address collection; // 0x20
            bytes32 listingsRoot; // 0x40
            uint256 numberOfListings; // 0x60
            uint256 expirationTime; // 0x80
            AssetType assetType; // 0xa0
            FeeRate makerFee; // 0xc0
            uint256 salt; // 0xe0
        }
        /*
        Reference only; struct is composed manually using calldata formatting in execution
        struct ExecutionBatch { // Size: 0x80
            address taker; // 0x00
            OrderType orderType; // 0x20
            Transfer[] transfers; // 0x40
            uint256 length; // 0x60
        }
        */
        struct Transfer { // Size: 0xa0
            address trader; // 0x00
            uint256 id; // 0x20
            uint256 amount; // 0x40
            address collection; // 0x60
            AssetType assetType; // 0x80
        }
        struct FungibleTransfers {
            uint256 totalProtocolFee;
            uint256 totalSellerTransfer;
            uint256 totalTakerFee;
            uint256 feeRecipientId;
            uint256 makerId;
            address[] feeRecipients;
            address[] makers;
            uint256[] makerTransfers;
            uint256[] feeTransfers;
            AtomicExecution[] executions;
        }
        struct AtomicExecution { // Size: 0xe0
            uint256 makerId; // 0x00
            uint256 sellerAmount; // 0x20
            uint256 makerFeeRecipientId; // 0x40
            uint256 makerFeeAmount; // 0x60
            uint256 takerFeeAmount; // 0x80
            uint256 protocolFeeAmount; // 0xa0
            StateUpdate stateUpdate; // 0xc0
        }
        struct StateUpdate { // Size: 0xa0
            address trader; // 0x00
            bytes32 hash; // 0x20
            uint256 index; // 0x40
            uint256 value; // 0x60
            uint256 maxAmount; // 0x80
        }
        struct Fees { // Size: 0x40
            FeeRate protocolFee; // 0x00
            FeeRate takerFee; // 0x20
        }
        struct FeeRate { // Size: 0x40
            address recipient; // 0x00
            uint16 rate; // 0x20
        }
        struct Cancel {
            bytes32 hash;
            uint256 index;
            uint256 amount;
        }