Contract Source Code (Solidity Standard Json-Input format)

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pragma solidity ^0.8.19;

/**
 * bbbbbbbb                                         dddddddd
 *                                                           b::::::b                                         d::::::d
 *                                                           b::::::b                                         d::::::d
 *                                                           b::::::b                                         d::::::d
 *                                                            b:::::b                                         d:::::d
 *    ggggggggg   ggggg aaaaaaaaaaaaa      ssssssssss         b:::::bbbbbbbbb      aaaaaaaaaaaaa      ddddddddd:::::d
 *   g:::::::::ggg::::g a::::::::::::a   ss::::::::::s        b::::::::::::::bb    a::::::::::::a   dd::::::::::::::d
 *  g:::::::::::::::::g aaaaaaaaa:::::ass:::::::::::::s       b::::::::::::::::b   aaaaaaaaa:::::a d::::::::::::::::d
 * g::::::ggggg::::::gg          a::::as::::::ssss:::::s      b:::::bbbbb:::::::b           a::::ad:::::::ddddd:::::d
 * g:::::g     g:::::g    aaaaaaa:::::a s:::::s  ssssss       b:::::b    b::::::b    aaaaaaa:::::ad::::::d    d:::::d
 * g:::::g     g:::::g  aa::::::::::::a   s::::::s            b:::::b     b:::::b  aa::::::::::::ad:::::d     d:::::d
 * g:::::g     g:::::g a::::aaaa::::::a      s::::::s         b:::::b     b:::::b a::::aaaa::::::ad:::::d     d:::::d
 * g::::::g    g:::::ga::::a    a:::::assssss   s:::::s       b:::::b     b:::::ba::::a    a:::::ad:::::d     d:::::d
 * g:::::::ggggg:::::ga::::a    a:::::as:::::ssss::::::s      b:::::bbbbbb::::::ba::::a    a:::::ad::::::ddddd::::::dd
 *  g::::::::::::::::ga:::::aaaa::::::as::::::::::::::s       b::::::::::::::::b a:::::aaaa::::::a d:::::::::::::::::d
 *   gg::::::::::::::g a::::::::::aa:::as:::::::::::ss        b:::::::::::::::b   a::::::::::aa:::a d:::::::::ddd::::d
 *     gggggggg::::::g  aaaaaaaaaa  aaaa sssssssssss          bbbbbbbbbbbbbbbb     aaaaaaaaaa  aaaa  ddddddddd   ddddd
 *             g:::::g
 * gggggg      g:::::g
 * g:::::gg   gg:::::g
 *  g::::::ggg:::::::g
 *   gg:::::::::::::g
 *     ggg::::::ggg
 *        gggggg
 */

/**
 * @title GasliteDrop
 * @notice Turbo gas optimized bulk transfers of ERC20, ERC721, and ETH
 * @author Harrison (@PopPunkOnChain)
 * @author Gaslite (@GasliteGG)
 * @author Pop Punk LLC (@PopPunkLLC)
 */
contract GasliteDrop {
    /**
     * @notice Airdrop ERC721 tokens to a list of addresses
     * @param _nft The address of the ERC721 contract
     * @param _addresses The addresses to airdrop to
     * @param _tokenIds The tokenIds to airdrop
     */
    function airdropERC721(address _nft, address[] calldata _addresses, uint256[] calldata _tokenIds)
        external
        payable
    {
        assembly {
            // Check that the number of addresses matches the number of tokenIds
            if iszero(eq(_tokenIds.length, _addresses.length)) { revert(0, 0) }
            // transferFrom(address from, address to, uint256 tokenId)
            mstore(0x00, hex"23b872dd")
            // from address
            mstore(0x04, caller())

            // end of array
            let end := add(_addresses.offset, shl(5, _addresses.length))
            // diff = _addresses.offset - _tokenIds.offset
            let diff := sub(_addresses.offset, _tokenIds.offset)

            // Loop through the addresses
            for { let addressOffset := _addresses.offset } 1 {} {
                // to address
                mstore(0x24, calldataload(addressOffset))
                // tokenId
                mstore(0x44, calldataload(sub(addressOffset, diff)))
                // transfer the token
                if iszero(call(gas(), _nft, 0, 0x00, 0x64, 0, 0)) { revert(0, 0) }
                // increment the address offset
                addressOffset := add(addressOffset, 0x20)
                // if addressOffset >= end, break
                if iszero(lt(addressOffset, end)) { break }
            }
        }
    }
}

{
  "remappings": [
    "erc721a/=lib/erc721a/",
    "@openzeppelin/=lib/openzeppelin-contracts/",
    "@closedsea/=lib/closedsea/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "closedsea/=lib/closedsea/src/",
    "ds-test/=lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "erc721a-upgradeable/=lib/closedsea/lib/erc721a-upgradeable/contracts/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/closedsea/lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "operator-filter-registry/=lib/closedsea/lib/operator-filter-registry/",
    "solady/=lib/closedsea/lib/solady/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

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[{"inputs":[{"internalType":"address","name":"_nft","type":"address"},{"internalType":"address[]","name":"_addresses","type":"address[]"},{"internalType":"uint256[]","name":"_tokenIds","type":"uint256[]"}],"name":"airdropERC721","outputs":[],"stateMutability":"payable","type":"function"}]

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