Token

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Library to encode strings in Base64.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/Base64.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/Base64.sol)
/// @author Modified from (https://github.com/Brechtpd/base64/blob/main/base64.sol) by Brecht Devos - <[email protected]>.
library Base64 {
    /// @dev Encodes `data` using the base64 encoding described in RFC 4648.
    /// See: https://datatracker.ietf.org/doc/html/rfc4648
    /// @param fileSafe  Whether to replace '+' with '-' and '/' with '_'.
    /// @param noPadding Whether to strip away the padding.
    function encode(
        bytes memory data,
        bool fileSafe,
        bool noPadding
    ) internal pure returns (string memory result) {
        assembly {
            let dataLength := mload(data)

            if dataLength {
                // Multiply by 4/3 rounded up.
                // The `shl(2, ...)` is equivalent to multiplying by 4.
                let encodedLength := shl(2, div(add(dataLength, 2), 3))

                // Set `result` to point to the start of the free memory.
                result := mload(0x40)

                // Store the table into the scratch space.
                // Offsetted by -1 byte so that the `mload` will load the character.
                // We will rewrite the free memory pointer at `0x40` later with
                // the allocated size.
                // The magic constant 0x0230 will translate "-_" + "+/".
                mstore(0x1f, "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdef")
                mstore(0x3f, sub("ghijklmnopqrstuvwxyz0123456789-_", mul(iszero(fileSafe), 0x0230)))

                // Skip the first slot, which stores the length.
                let ptr := add(result, 0x20)
                let end := add(ptr, encodedLength)

                // Run over the input, 3 bytes at a time.
                // prettier-ignore
                for {} 1 {} {
                    data := add(data, 3) // Advance 3 bytes.
                    let input := mload(data)

                    // Write 4 bytes. Optimized for fewer stack operations.
                    mstore8(    ptr    , mload(and(shr(18, input), 0x3F)))
                    mstore8(add(ptr, 1), mload(and(shr(12, input), 0x3F)))
                    mstore8(add(ptr, 2), mload(and(shr( 6, input), 0x3F)))
                    mstore8(add(ptr, 3), mload(and(        input , 0x3F)))
                    
                    ptr := add(ptr, 4) // Advance 4 bytes.
                    // prettier-ignore
                    if iszero(lt(ptr, end)) { break }
                }

                let r := mod(dataLength, 3)

                switch noPadding
                case 0 {
                    // Offset `ptr` and pad with '='. We can simply write over the end.
                    mstore8(sub(ptr, iszero(iszero(r))), 0x3d) // Pad at `ptr - 1` if `r > 0`.
                    mstore8(sub(ptr, shl(1, eq(r, 1))), 0x3d) // Pad at `ptr - 2` if `r == 1`.
                    // Write the length of the string.
                    mstore(result, encodedLength)
                }
                default {
                    // Write the length of the string.
                    mstore(result, sub(encodedLength, add(iszero(iszero(r)), eq(r, 1))))
                }

                // Allocate the memory for the string.
                // Add 31 and mask with `not(31)` to round the
                // free memory pointer up the next multiple of 32.
                mstore(0x40, and(add(end, 31), not(31)))
            }
        }
    }

    /// @dev Encodes `data` using the base64 encoding described in RFC 4648.
    /// Equivalent to `encode(data, false, false)`.
    function encode(bytes memory data) internal pure returns (string memory result) {
        result = encode(data, false, false);
    }

    /// @dev Encodes `data` using the base64 encoding described in RFC 4648.
    /// Equivalent to `encode(data, fileSafe, false)`.
    function encode(bytes memory data, bool fileSafe) internal pure returns (string memory result) {
        result = encode(data, fileSafe, false);
    }

    /// @dev Encodes base64 encoded `data`.
    ///
    /// Supports:
    /// - RFC 4648 (both standard and file-safe mode).
    /// - RFC 3501 (63: ',').
    ///
    /// Does not support:
    /// - Line breaks.
    ///
    /// Note: For performance reasons,
    /// this function will NOT revert on invalid `data` inputs.
    /// Outputs for invalid inputs will simply be undefined behaviour.
    /// It is the user's responsibility to ensure that the `data`
    /// is a valid base64 encoded string.
    function decode(string memory data) internal pure returns (bytes memory result) {
        assembly {
            let dataLength := mload(data)

            if dataLength {
                let end := add(data, dataLength)
                let decodedLength := mul(shr(2, dataLength), 3)

                switch and(dataLength, 3)
                case 0 {
                    // If padded.
                    decodedLength := sub(
                        decodedLength,
                        add(eq(and(mload(end), 0xFF), 0x3d), eq(and(mload(end), 0xFFFF), 0x3d3d))
                    )
                }
                default {
                    // If non-padded.
                    decodedLength := add(decodedLength, sub(and(dataLength, 3), 1))
                }

                result := mload(0x40)

                // Write the length of the string.
                mstore(result, decodedLength)

                // Skip the first slot, which stores the length.
                let ptr := add(result, 0x20)

                // Load the table into the scratch space.
                // Constants are optimized for smaller bytecode with zero gas overhead.
                // `m` also doubles as the mask of the upper 6 bits.
                let m := 0xfc000000fc00686c7074787c8084888c9094989ca0a4a8acb0b4b8bcc0c4c8cc
                mstore(0x5b, m)
                mstore(0x3b, 0x04080c1014181c2024282c3034383c4044484c5054585c6064)
                mstore(0x1a, 0xf8fcf800fcd0d4d8dce0e4e8ecf0f4)

                // prettier-ignore
                for {} 1 {} {
                    // Read 4 bytes.
                    data := add(data, 4)
                    let input := mload(data)

                    // Write 3 bytes.
                    mstore(ptr, or(
                        and(m, mload(byte(28, input))),
                        shr(6, or(
                            and(m, mload(byte(29, input))),
                            shr(6, or(
                                and(m, mload(byte(30, input))),
                                shr(6, mload(byte(31, input)))
                            ))
                        ))
                    ))

                    ptr := add(ptr, 3)
                    
                    // prettier-ignore
                    if iszero(lt(data, end)) { break }
                }

                // Allocate the memory for the string.
                // Add 32 + 31 and mask with `not(31)` to round the
                // free memory pointer up the next multiple of 32.
                mstore(0x40, and(add(add(result, decodedLength), 63), not(31)))

                // Restore the zero slot.
                mstore(0x60, 0)
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Class with helper read functions for clone with immutable args.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/Clone.sol)
/// @author Adapted from clones with immutable args by zefram.eth, Saw-mon & Natalie
/// (https://github.com/Saw-mon-and-Natalie/clones-with-immutable-args)
abstract contract Clone {
    /// @dev Reads an immutable arg with type bytes.
    function _getArgBytes(uint256 argOffset, uint256 length) internal pure returns (bytes memory arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            // Grab the free memory pointer.
            arg := mload(0x40)
            // Store the array length.
            mstore(arg, length)
            // Copy the array.
            calldatacopy(add(arg, 0x20), add(offset, argOffset), length)
            // Allocate the memory, rounded up to the next 32 byte boudnary.
            mstore(0x40, and(add(add(arg, 0x3f), length), not(0x1f)))
        }
    }

    /// @dev Reads an immutable arg with type address.
    function _getArgAddress(uint256 argOffset) internal pure returns (address arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            arg := shr(0x60, calldataload(add(offset, argOffset)))
        }
    }

    /// @dev Reads an immutable arg with type uint256
    function _getArgUint256(uint256 argOffset) internal pure returns (uint256 arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            arg := calldataload(add(offset, argOffset))
        }
    }

    /// @dev Reads a uint256 array stored in the immutable args.
    function _getArgUint256Array(uint256 argOffset, uint256 length) internal pure returns (uint256[] memory arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            // Grab the free memory pointer.
            arg := mload(0x40)
            // Store the array length.
            mstore(arg, length)
            // Copy the array.
            calldatacopy(add(arg, 0x20), add(offset, argOffset), shl(5, length))
            // Allocate the memory.
            mstore(0x40, add(add(arg, 0x20), shl(5, length)))
        }
    }

    /// @dev Reads an immutable arg with type uint64.
    function _getArgUint64(uint256 argOffset) internal pure returns (uint64 arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            arg := shr(0xc0, calldataload(add(offset, argOffset)))
        }
    }

    /// @dev Reads an immutable arg with type uint8.
    function _getArgUint8(uint256 argOffset) internal pure returns (uint8 arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            arg := shr(0xf8, calldataload(add(offset, argOffset)))
        }
    }

    /// @return offset The offset of the packed immutable args in calldata.
    function _getImmutableArgsOffset() internal pure returns (uint256 offset) {
        assembly {
            offset := sub(calldatasize(), shr(0xf0, calldataload(sub(calldatasize(), 2))))
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SafeTransferLib.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
/// @dev Caution! This library won't check that a token has code, responsibility is delegated to the caller.
library SafeTransferLib {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    error ETHTransferFailed();

    error TransferFromFailed();

    error TransferFailed();

    error ApproveFailed();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       ETH OPERATIONS                       */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    function safeTransferETH(address to, uint256 amount) internal {
        assembly {
            // Transfer the ETH and check if it succeeded or not.
            if iszero(call(gas(), to, amount, 0, 0, 0, 0)) {
                // Store the function selector of `ETHTransferFailed()`.
                mstore(0x00, 0xb12d13eb)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                      ERC20 OPERATIONS                      */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    function safeTransferFrom(
        address token,
        address from,
        address to,
        uint256 amount
    ) internal {
        assembly {
            // We'll write our calldata to this slot below, but restore it later.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0x00, 0x23b872dd)
            mstore(0x20, from) // Append the "from" argument.
            mstore(0x40, to) // Append the "to" argument.
            mstore(0x60, amount) // Append the "amount" argument.

            if iszero(
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0x00), 1), iszero(returndatasize())),
                    // We use 0x64 because that's the total length of our calldata (0x04 + 0x20 * 3)
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
                )
            ) {
                // Store the function selector of `TransferFromFailed()`.
                mstore(0x00, 0x7939f424)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            mstore(0x60, 0) // Restore the zero slot to zero.
            mstore(0x40, memPointer) // Restore the memPointer.
        }
    }

    function safeTransfer(
        address token,
        address to,
        uint256 amount
    ) internal {
        assembly {
            // We'll write our calldata to this slot below, but restore it later.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0x00, 0xa9059cbb)
            mstore(0x20, to) // Append the "to" argument.
            mstore(0x40, amount) // Append the "amount" argument.

            if iszero(
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0x00), 1), iszero(returndatasize())),
                    // We use 0x44 because that's the total length of our calldata (0x04 + 0x20 * 2)
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    call(gas(), token, 0, 0x1c, 0x44, 0x00, 0x20)
                )
            ) {
                // Store the function selector of `TransferFailed()`.
                mstore(0x00, 0x90b8ec18)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            mstore(0x40, memPointer) // Restore the memPointer.
        }
    }

    function safeApprove(
        address token,
        address to,
        uint256 amount
    ) internal {
        assembly {
            // We'll write our calldata to this slot below, but restore it later.
            let memPointer := mload(0x40)

            // Write the abi-encoded calldata into memory, beginning with the function selector.
            mstore(0x00, 0x095ea7b3)
            mstore(0x20, to) // Append the "to" argument.
            mstore(0x40, amount) // Append the "amount" argument.

            if iszero(
                and(
                    // Set success to whether the call reverted, if not we check it either
                    // returned exactly 1 (can't just be non-zero data), or had no return data.
                    or(eq(mload(0x00), 1), iszero(returndatasize())),
                    // We use 0x44 because that's the total length of our calldata (0x04 + 0x20 * 2)
                    // Counterintuitively, this call() must be positioned after the or() in the
                    // surrounding and() because and() evaluates its arguments from right to left.
                    call(gas(), token, 0, 0x1c, 0x44, 0x00, 0x20)
                )
            ) {
                // Store the function selector of `ApproveFailed()`.
                mstore(0x00, 0x3e3f8f73)
                // Revert with (offset, size).
                revert(0x1c, 0x04)
            }

            mstore(0x40, memPointer) // Restore the memPointer.
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0-only
pragma solidity >=0.8.0;

/// @notice Simple single owner authorization mixin.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Owned.sol)
abstract contract Owned {
    /*//////////////////////////////////////////////////////////////
                                 EVENTS
    //////////////////////////////////////////////////////////////*/

    event OwnershipTransferred(address indexed user, address indexed newOwner);

    /*//////////////////////////////////////////////////////////////
                            OWNERSHIP STORAGE
    //////////////////////////////////////////////////////////////*/

    address public owner;

    modifier onlyOwner() virtual {
        require(msg.sender == owner, "UNAUTHORIZED");

        _;
    }

    /*//////////////////////////////////////////////////////////////
                               CONSTRUCTOR
    //////////////////////////////////////////////////////////////*/

    constructor(address _owner) {
        owner = _owner;

        emit OwnershipTransferred(address(0), _owner);
    }

    /*//////////////////////////////////////////////////////////////
                             OWNERSHIP LOGIC
    //////////////////////////////////////////////////////////////*/

    function transferOwnership(address newOwner) public virtual onlyOwner {
        owner = newOwner;

        emit OwnershipTransferred(msg.sender, newOwner);
    }
}

// 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 >=0.8.0;

/// @notice Efficient library for creating string representations of integers.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/LibString.sol)
/// @author Modified from Solady (https://github.com/Vectorized/solady/blob/main/src/utils/LibString.sol)
library LibString {
    function toString(uint256 value) internal pure returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but we allocate 160 bytes
            // to keep the free memory pointer word aligned. We'll need 1 word for the length, 1 word for the
            // trailing zeros padding, and 3 other words for a max of 78 digits. In total: 5 * 32 = 160 bytes.
            let newFreeMemoryPointer := add(mload(0x40), 160)

            // Update the free memory pointer to avoid overriding our string.
            mstore(0x40, newFreeMemoryPointer)

            // Assign str to the end of the zone of newly allocated memory.
            str := sub(newFreeMemoryPointer, 32)

            // Clean the last word of memory it may not be overwritten.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                // Move the pointer 1 byte to the left.
                str := sub(str, 1)

                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))

                // Keep dividing temp until zero.
                temp := div(temp, 10)

                 // prettier-ignore
                if iszero(temp) { break }
            }

            // Compute and cache the final total length of the string.
            let length := sub(end, str)

            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 32)

            // Store the string's length at the start of memory allocated for our string.
            mstore(str, length)
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.17;

import {Owned} from "solmate/auth/Owned.sol";
import {ERC1155} from "solmate/tokens/ERC1155.sol";
import {LibString} from "solmate/utils/LibString.sol";
import {Base64} from "solady/utils/Base64.sol";

import {LiquidSplitCloneImpl} from "src/CloneImpl/LiquidSplitCloneImpl.sol";
import {Renderer} from "src/libs/Renderer.sol";
import {utils} from "src/libs/Utils.sol";

/// @title 1155LiquidSplit
/// @author 0xSplits
/// @notice A minimal liquid split implementation designed to be used as part of a
/// clones-with-immutable-args implementation.
/// Ownership in a split is represented by 1155s (each = 0.1% of split)
/// @dev This contract uses token = address(0) to refer to ETH.
contract LS1155CloneImpl is Owned, LiquidSplitCloneImpl, ERC1155 {
    /// -----------------------------------------------------------------------
    /// errors
    /// -----------------------------------------------------------------------

    /// Unauthorized msg.sender
    error Unauthorized();

    /// Array lengths of accounts & percentAllocations don't match (`accountsLength` != `allocationsLength`)
    /// @param accountsLength Length of accounts array
    /// @param allocationsLength Length of percentAllocations array
    error InvalidLiquidSplit__AccountsAndAllocationsMismatch(uint256 accountsLength, uint256 allocationsLength);

    /// Invalid initAllocations sum `allocationsSum` must equal `TOTAL_SUPPLY`
    /// @param allocationsSum Sum of percentAllocations array
    error InvalidLiquidSplit__InvalidAllocationsSum(uint32 allocationsSum);

    /// -----------------------------------------------------------------------
    /// libraries
    /// -----------------------------------------------------------------------

    using LibString for uint256;

    /// -----------------------------------------------------------------------
    /// storage
    /// -----------------------------------------------------------------------

    uint256 internal constant TOKEN_ID = 0;
    uint256 public constant TOTAL_SUPPLY = 1e3;
    uint256 public constant SUPPLY_TO_PERCENTAGE = 1e3; // = PERCENTAGE_SCALE / TOTAL_SUPPLY = 1e6 / 1e3

    /// -----------------------------------------------------------------------
    /// storage - cwia
    /// -----------------------------------------------------------------------

    // first item is uint32 distributorFee in LiquidSplitCloneImpl
    // 4; second item
    uint256 internal constant MINTED_ON_TIMESTAMP_OFFSET = 4;

    /// @dev equivalent to uint256 public immutable mintedOnTimestamp;
    function mintedOnTimestamp() public pure returns (uint256) {
        return _getArgUint256(MINTED_ON_TIMESTAMP_OFFSET);
    }

    /// -----------------------------------------------------------------------
    /// constructor & initializer
    /// -----------------------------------------------------------------------

    /// only run when implementation is deployed
    constructor(address _splitMain) Owned(address(0)) LiquidSplitCloneImpl(_splitMain) {}

    /// initializes each clone
    function initializer(address[] calldata accounts, uint32[] calldata initAllocations, address _owner) external {
        /// checks

        // only liquidSplitFactory may call `initializer`
        if (msg.sender != liquidSplitFactory) {
            revert Unauthorized();
        }

        if (accounts.length != initAllocations.length) {
            revert InvalidLiquidSplit__AccountsAndAllocationsMismatch(accounts.length, initAllocations.length);
        }

        {
            uint32 sum = _getSum(initAllocations);
            if (sum != TOTAL_SUPPLY) {
                revert InvalidLiquidSplit__InvalidAllocationsSum(sum);
            }
        }

        /// effects

        owner = _owner;
        emit OwnershipTransferred(address(0), _owner);

        LiquidSplitCloneImpl.initializer();

        /// interactions

        // mint NFTs to initial holders
        uint256 numAccs = accounts.length;
        unchecked {
            for (uint256 i; i < numAccs; ++i) {
                _mint({to: accounts[i], id: TOKEN_ID, amount: initAllocations[i], data: ""});
            }
        }
    }

    /// -----------------------------------------------------------------------
    /// functions
    /// -----------------------------------------------------------------------

    /// -----------------------------------------------------------------------
    /// functions - public & external
    /// -----------------------------------------------------------------------

    /// -----------------------------------------------------------------------
    /// functions - public & external - view & pure
    /// -----------------------------------------------------------------------

    function scaledPercentBalanceOf(address account) public view override returns (uint32) {
        unchecked {
            // can't overflow;
            // sum(balanceOf) == TOTAL_SUPPLY = 1e3
            // SUPPLY_TO_PERCENTAGE = 1e6 / 1e3 = 1e3
            // =>
            // sum(balanceOf[i] * SUPPLY_TO_PERCENTAGE) == PERCENTAGE_SCALE = 1e6 << 2^32)
            return uint32(balanceOf[account][TOKEN_ID] * SUPPLY_TO_PERCENTAGE);
        }
    }

    function name() external view returns (string memory) {
        return string.concat("Liquid Split ", utils.shortAddressToString(address(this)));
    }

    function uri(uint256) public view override returns (string memory) {
        return string.concat(
            "data:application/json;base64,",
            Base64.encode(
                bytes(
                    string.concat(
                        '{"name": "Liquid Split ',
                        utils.shortAddressToString(address(this)),
                        '", "description": ',
                        '"Each token represents 0.1% of this Liquid Split.", ',
                        '"external_url": ',
                        '"https://app.0xsplits.xyz/accounts/',
                        utils.addressToString(address(this)),
                        "/?chainId=",
                        utils.uint2str(block.chainid),
                        '", ',
                        '"image": "data:image/svg+xml;base64,',
                        Base64.encode(bytes(Renderer.render(address(this)))),
                        '"}'
                    )
                )
            )
        );
    }

    /// -----------------------------------------------------------------------
    /// functions - private & internal
    /// -----------------------------------------------------------------------

    /// -----------------------------------------------------------------------
    /// functions - private & internal - pure
    /// -----------------------------------------------------------------------

    /// Sums array of uint32s
    /// @param numbers Array of uint32s to sum
    /// @return sum Sum of `numbers`
    function _getSum(uint32[] calldata numbers) internal pure returns (uint32 sum) {
        uint256 numbersLength = numbers.length;
        for (uint256 i; i < numbersLength;) {
            sum += numbers[i];
            unchecked {
                // overflow should be impossible in for-loop index
                ++i;
            }
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.17;

import {ERC20} from "solmate/tokens/ERC20.sol";
import {SafeTransferLib} from "solady/utils/SafeTransferLib.sol";
import {Clone} from "solady/utils/Clone.sol";
import {ISplitMain} from "src/interfaces/ISplitMain.sol";

/// @title LiquidSplitCloneImpl
/// @author 0xSplits
/// @notice An abstract liquid split base designed to be used as part of a
/// clones-with-immutable-args implementation.
/// @dev This contract uses token = address(0) to refer to ETH.
abstract contract LiquidSplitCloneImpl is Clone {
    /// -----------------------------------------------------------------------
    /// libraries
    /// -----------------------------------------------------------------------

    using SafeTransferLib for address;

    /// -----------------------------------------------------------------------
    /// events
    /// -----------------------------------------------------------------------

    /// Emitted after each successful ETH transfer to proxy
    /// @param amount Amount of ETH received
    /// @dev embedded in & emitted from clone bytecode
    event ReceiveETH(uint256 amount);

    /// -----------------------------------------------------------------------
    /// storage
    /// -----------------------------------------------------------------------

    address internal constant ETH_ADDRESS = address(0);
    uint256 public constant PERCENTAGE_SCALE = 1e6;

    ISplitMain public immutable splitMain;
    address internal immutable liquidSplitFactory;

    address public payoutSplit;

    /// -----------------------------------------------------------------------
    /// storage - cwia
    /// -----------------------------------------------------------------------

    // 0; first item
    uint256 internal constant DISTRIBUTOR_FEE_OFFSET = 0;

    /// @dev equivalent to uint32 public immutable distributorFee;
    function distributorFee() public pure returns (uint32) {
        return _getArgUint32(DISTRIBUTOR_FEE_OFFSET);
    }

    /// -----------------------------------------------------------------------
    /// constructor & initializer
    /// -----------------------------------------------------------------------

    constructor(address _splitMain) {
        splitMain = ISplitMain(_splitMain);
        liquidSplitFactory = msg.sender;
    }

    /// @dev cannot be called externally by default; inheriting contracts must
    /// be sure to properly secure any calls
    function initializer() internal {
        /// checks

        /// effects

        /// interactions

        // create dummy mutable split with this contract as controller;
        // recipients & distributorFee will be updated on first payout
        address[] memory recipients = new address[](2);
        recipients[0] = address(0);
        recipients[1] = address(1);
        uint32[] memory initPercentAllocations = new uint32[](2);
        initPercentAllocations[0] = uint32(500000);
        initPercentAllocations[1] = uint32(500000);
        payoutSplit = payable(
            splitMain.createSplit({
                accounts: recipients,
                percentAllocations: initPercentAllocations,
                distributorFee: 0,
                controller: address(this)
            })
        );
    }

    /// -----------------------------------------------------------------------
    /// functions
    /// -----------------------------------------------------------------------

    /// -----------------------------------------------------------------------
    /// functions - public & external
    /// -----------------------------------------------------------------------

    /// emit event when receiving ETH
    /// @dev implemented w/i clone bytecode
    /* receive() external virtual payable { */
    /*     emit ReceiveETH(msg.value); */
    /* } */

    /// distributes ETH & ERC20s to NFT holders
    /// @param token ETH (0x0) or ERC20 token to distribute
    /// @param accounts Ordered, unique list of NFT holders
    /// @param distributorAddress Address to receive distributorFee
    function distributeFunds(address token, address[] calldata accounts, address distributorAddress) external virtual {
        uint256 numRecipients = accounts.length;
        uint32[] memory percentAllocations = new uint32[](numRecipients);
        for (uint256 i; i < numRecipients;) {
            percentAllocations[i] = scaledPercentBalanceOf(accounts[i]);
            unchecked {
                ++i;
            }
        }

        // atomically deposit funds, update recipients to reflect current NFT holders, and distribute
        if (token == ETH_ADDRESS) {
            payoutSplit.safeTransferETH(address(this).balance);
            splitMain.updateAndDistributeETH({
                split: payoutSplit,
                accounts: accounts,
                percentAllocations: percentAllocations,
                distributorFee: distributorFee(),
                distributorAddress: distributorAddress
            });
        } else {
            token.safeTransfer(payoutSplit, ERC20(token).balanceOf(address(this)));
            splitMain.updateAndDistributeERC20({
                split: payoutSplit,
                token: ERC20(token),
                accounts: accounts,
                percentAllocations: percentAllocations,
                distributorFee: distributorFee(),
                distributorAddress: distributorAddress
            });
        }
    }

    /// -----------------------------------------------------------------------
    /// functions - public & external - view & pure
    /// -----------------------------------------------------------------------

    function scaledPercentBalanceOf(address account) public view virtual returns (uint32) {}

    /// @dev Reads an immutable arg with type uint32.
    function _getArgUint32(uint256 argOffset) internal pure returns (uint32 arg) {
        uint256 offset = _getImmutableArgsOffset();
        assembly {
            arg := shr(0xe0, calldataload(add(offset, argOffset)))
        }
    }
}

// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity ^0.8.17;

import {ERC20} from "solmate/tokens/ERC20.sol";

interface ISplitMain {
    error InvalidSplit__TooFewAccounts(uint256 accountsLength);

    function createSplit(
        address[] calldata accounts,
        uint32[] calldata percentAllocations,
        uint32 distributorFee,
        address controller
    ) external returns (address);

    function updateAndDistributeETH(
        address split,
        address[] calldata accounts,
        uint32[] calldata percentAllocations,
        uint32 distributorFee,
        address distributorAddress
    ) external;

    function updateAndDistributeERC20(
        address split,
        ERC20 token,
        address[] calldata accounts,
        uint32[] calldata percentAllocations,
        uint32 distributorFee,
        address distributorAddress
    ) external;

    function getETHBalance(address account) external view returns (uint256);

    function getERC20Balance(address account, ERC20 token) external view returns (uint256);

    function withdraw(address account, uint256 withdrawETH, ERC20[] calldata tokens) external;
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import "./SVG.sol";
import "./Utils.sol";

// adapted from https://github.com/w1nt3r-eth/hot-chain-svg

library Renderer {
    uint256 internal constant size = 600;
    uint256 internal constant rowSpacing = size / 8;
    uint256 internal constant colSpacing = size / 14;
    uint256 internal constant MAX_R = colSpacing * 65 / 100;
    uint256 internal constant MIN_R = colSpacing * 3 / 10;
    uint256 internal constant maxDur = 60;
    uint256 internal constant minDur = 30;
    uint256 internal constant durRandomnessDiscord = 5; // (60 - 30) < 2^5

    function render(address addr) internal pure returns (string memory) {
        string memory logo;
        uint256 seed = uint256(uint160(addr));
        string memory color = utils.getHslColor(seed);
        uint8[5] memory xs = [5, 4, 3, 4, 5];
        uint256 y = rowSpacing * 2;
        for (uint256 i; i < 5; i++) {
            uint256 x = colSpacing * xs[i];
            for (uint256 j; j < (8 - xs[i]); j++) {
                logo = string.concat(logo, drawRandomOrb(x, y, color, seed = newSeed(seed)));
                x += colSpacing * 2;
            }
            y += rowSpacing;
        }

        return string.concat(
            '<svg xmlns="http://www.w3.org/2000/svg" width="',
            utils.uint2str(size),
            '" height="',
            utils.uint2str(size),
            '" style="background:#000000;font-family:sans-serif;fill:#fafafa;font-size:32">',
            logo,
            "</svg>"
        );
    }

    function randomR(uint256 seed) internal pure returns (uint256 r) {
        r = utils.bound(seed, MAX_R, MIN_R);
    }

    function randomDur(uint256 seed) internal pure returns (uint256 dur) {
        dur = utils.bound(seed, maxDur, minDur);
    }

    function newSeed(uint256 seed) internal pure returns (uint256) {
        return uint256(keccak256(abi.encodePacked(seed)));
    }

    function drawRandomOrb(uint256 cx, uint256 cy, string memory color, uint256 seed)
        internal
        pure
        returns (string memory)
    {
        uint256 dur = randomDur(seed);
        uint256 r = randomR(seed >> durRandomnessDiscord);
        return drawOrb(cx, cy, r, dur, color);
    }

    function drawOrb(uint256 cx, uint256 cy, uint256 r, uint256 dur, string memory color)
        internal
        pure
        returns (string memory _values)
    {
        string memory animate;
        string memory durStr = string.concat(utils.uint2str(dur / 10), ".", utils.uint2str(dur % 10));
        string memory valStr = string.concat(
            utils.uint2str(r), "; ", utils.uint2str(MAX_R), "; ", utils.uint2str(MIN_R), "; ", utils.uint2str(r)
        );
        animate = svg.animate(
            string.concat(
                svg.prop("attributeName", "r"),
                svg.prop("dur", durStr),
                svg.prop("repeatCount", "indefinite"),
                svg.prop("calcMode", "paced"),
                svg.prop("values", valStr)
            )
        );
        _values = svg.circle(
            string.concat(
                svg.prop("cx", utils.uint2str(cx)),
                svg.prop("cy", utils.uint2str(cy)),
                svg.prop("r", utils.uint2str(r)),
                svg.prop("fill", color)
            ),
            animate
        );
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

import "./Utils.sol";

// from https://github.com/w1nt3r-eth/hot-chain-svg

// Core SVG utilitiy library which helps us construct
// onchain SVG's with a simple, web-like API.
library svg {
    /* MAIN ELEMENTS */
    function g(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("g", _props, _children);
    }

    function path(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("path", _props, _children);
    }

    function text(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("text", _props, _children);
    }

    function line(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("line", _props, _children);
    }

    function circle(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("circle", _props, _children);
    }

    function circle(string memory _props) internal pure returns (string memory) {
        return el("circle", _props);
    }

    function rect(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("rect", _props, _children);
    }

    function rect(string memory _props) internal pure returns (string memory) {
        return el("rect", _props);
    }

    function filter(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("filter", _props, _children);
    }

    function cdata(string memory _content) internal pure returns (string memory) {
        return string.concat("<![CDATA[", _content, "]]>");
    }

    /* GRADIENTS */
    function radialGradient(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("radialGradient", _props, _children);
    }

    function linearGradient(string memory _props, string memory _children) internal pure returns (string memory) {
        return el("linearGradient", _props, _children);
    }

    function gradientStop(uint256 offset, string memory stopColor, string memory _props)
        internal
        pure
        returns (string memory)
    {
        return el(
            "stop",
            string.concat(
                prop("stop-color", stopColor),
                " ",
                prop("offset", string.concat(utils.uint2str(offset), "%")),
                " ",
                _props
            )
        );
    }

    function animate(string memory _props) internal pure returns (string memory) {
        return el("animate", _props);
    }

    function animateTransform(string memory _props) internal pure returns (string memory) {
        return el("animateTransform", _props);
    }

    function image(string memory _href, string memory _props) internal pure returns (string memory) {
        return el("image", string.concat(prop("href", _href), " ", _props));
    }

    /* COMMON */
    // A generic element, can be used to construct any SVG (or HTML) element
    function el(string memory _tag, string memory _props, string memory _children)
        internal
        pure
        returns (string memory)
    {
        return string.concat("<", _tag, " ", _props, ">", _children, "</", _tag, ">");
    }

    // A generic element, can be used to construct any SVG (or HTML) element without children
    function el(string memory _tag, string memory _props) internal pure returns (string memory) {
        return string.concat("<", _tag, " ", _props, "/>");
    }

    // an SVG attribute
    function prop(string memory _key, string memory _val) internal pure returns (string memory) {
        return string.concat(_key, "=", '"', _val, '" ');
    }
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.17;

// adapted from https://github.com/w1nt3r-eth/hot-chain-svg

// Core utils used extensively to format CSS and numbers.
library utils {
    // used to simulate empty strings
    string internal constant NULL = "";

    // formats a CSS variable line. includes a semicolon for formatting.
    function setCssVar(string memory _key, string memory _val) internal pure returns (string memory) {
        return string.concat("--", _key, ":", _val, ";");
    }

    // formats getting a css variable
    function getCssVar(string memory _key) internal pure returns (string memory) {
        return string.concat("var(--", _key, ")");
    }

    // formats getting a def URL
    function getDefURL(string memory _id) internal pure returns (string memory) {
        return string.concat("url(#", _id, ")");
    }

    // formats rgba white with a specified opacity / alpha
    function white_a(uint256 _a) internal pure returns (string memory) {
        return rgba(255, 255, 255, _a);
    }

    // formats rgba black with a specified opacity / alpha
    function black_a(uint256 _a) internal pure returns (string memory) {
        return rgba(0, 0, 0, _a);
    }

    // formats generic rgba color in css
    function rgba(uint256 _r, uint256 _g, uint256 _b, uint256 _a) internal pure returns (string memory) {
        string memory formattedA = _a < 100 ? string.concat("0.", utils.uint2str(_a)) : "1";
        return string.concat(
            "rgba(", utils.uint2str(_r), ",", utils.uint2str(_g), ",", utils.uint2str(_b), ",", formattedA, ")"
        );
    }

    // checks if two strings are equal
    function stringsEqual(string memory _a, string memory _b) internal pure returns (bool) {
        return keccak256(abi.encodePacked(_a)) == keccak256(abi.encodePacked(_b));
    }

    // returns the length of a string in characters
    function utfStringLength(string memory _str) internal pure returns (uint256 length) {
        uint256 i = 0;
        bytes memory string_rep = bytes(_str);

        while (i < string_rep.length) {
            if (string_rep[i] >> 7 == 0) {
                i += 1;
            } else if (string_rep[i] >> 5 == bytes1(uint8(0x6))) {
                i += 2;
            } else if (string_rep[i] >> 4 == bytes1(uint8(0xE))) {
                i += 3;
            } else if (string_rep[i] >> 3 == bytes1(uint8(0x1E))) {
                i += 4;
            }
            //For safety
            else {
                i += 1;
            }

            length++;
        }
    }

    // converts an unsigned integer to a string
    function uint2str(uint256 _i) internal pure returns (string memory _uintAsString) {
        if (_i == 0) {
            return "0";
        }
        uint256 j = _i;
        uint256 len;
        while (j != 0) {
            len++;
            j /= 10;
        }
        bytes memory bstr = new bytes(len);
        uint256 k = len;
        while (_i != 0) {
            k = k - 1;
            uint8 temp = (48 + uint8(_i - (_i / 10) * 10));
            bytes1 b1 = bytes1(temp);
            bstr[k] = b1;
            _i /= 10;
        }
        return string(bstr);
    }

    // generate hsla color from seed
    function getHslColor(uint256 seed) internal pure returns (string memory _hsla) {
        uint256 hue = seed % 360;
        _hsla = string.concat("hsla(", utils.uint2str(hue), ", 88%, 56%, 1)");
    }

    function bound(uint256 value, uint256 max, uint256 min) internal pure returns (uint256 _value) {
        /* require(max >= min, "INVALID_BOUND"); */
        _value = value % (max - min) + min;
    }

    function addressToString(address _address) internal pure returns (string memory) {
        bytes32 _bytes = bytes32(uint256(uint160(_address)));
        bytes memory HEX = "0123456789abcdef";
        bytes memory _string = new bytes(42);
        _string[0] = "0";
        _string[1] = "x";
        for (uint256 i = 0; i < 20; i++) {
            _string[2 + i * 2] = HEX[uint8(_bytes[i + 12] >> 4)];
            _string[3 + i * 2] = HEX[uint8(_bytes[i + 12] & 0x0f)];
        }
        return string(_string);
    }

    function shortAddressToString(address _address) internal pure returns (string memory) {
        bytes32 _bytes = bytes32(uint256(uint160(_address)));
        bytes memory HEX = "0123456789abcdef";
        bytes memory _string = new bytes(6);
        _string[0] = "0";
        _string[1] = "x";
        for (uint256 i = 0; i < 2; i++) {
            _string[2 + i * 2] = HEX[uint8(_bytes[i + 12] >> 4)];
            _string[3 + i * 2] = HEX[uint8(_bytes[i + 12] & 0x0f)];
        }
        return string(_string);
    }
}

{
  "remappings": [
    "ds-test/=lib/solmate/lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "solady/=lib/solady/src/",
    "solmate/=lib/solmate/src/",
    "splits-contracts/=lib/splits-contracts/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_splitMain","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"accountsLength","type":"uint256"},{"internalType":"uint256","name":"allocationsLength","type":"uint256"}],"name":"InvalidLiquidSplit__AccountsAndAllocationsMismatch","type":"error"},{"inputs":[{"internalType":"uint32","name":"allocationsSum","type":"uint32"}],"name":"InvalidLiquidSplit__InvalidAllocationsSum","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ReceiveETH","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"amounts","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[],"name":"PERCENTAGE_SCALE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"SUPPLY_TO_PERCENTAGE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TOTAL_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"owners","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"balances","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"address","name":"distributorAddress","type":"address"}],"name":"distributeFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"distributorFee","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"pure","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint32[]","name":"initAllocations","type":"uint32[]"},{"internalType":"address","name":"_owner","type":"address"}],"name":"initializer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"address","name":"","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintedOnTimestamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"pure","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"payoutSplit","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"scaledPercentBalanceOf","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"splitMain","outputs":[{"internalType":"contract ISplitMain","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]