// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

interface IERC20 {
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
    function transfer(address to, uint256 amount) external returns (bool);
    function balanceOf(address account) external view returns (uint256);
}

contract TokenDistributor {
    error InvalidRecipients();
    error InsufficientBalance();
    error TransferFailed();
    error DistributionFailed();

    function distributeToken(
        address token,
        address[] calldata recipients,
        uint256 amountEach
    ) external {
        // Input validation
        if (recipients.length == 0) revert InvalidRecipients();
        
        uint256 total = amountEach * recipients.length;
        
        // Check token balance before attempting transfer
        if (IERC20(token).balanceOf(msg.sender) < total) revert InsufficientBalance();
        
        // Transfer tokens to contract
        // if (!IERC20(token).transferFrom(msg.sender, address(this), total)) 
        //     revert TransferFailed();
        
        // Distribute to recipients
        for (uint256 i = 0; i < recipients.length; i++) {
            if (recipients[i] == address(0)) revert InvalidRecipients();
            if (!IERC20(token).transferFrom(msg.sender, recipients[i], amountEach))
                revert DistributionFailed();
        }
        
        // If any tokens are stuck (shouldn't happen), return them
        // uint256 remaining = IERC20(token).balanceOf(address(this));
        // if (remaining > 0) {
        //     IERC20(token).transfer(msg.sender, remaining);
        // }
    }
}

{
  "evmVersion": "paris",
  "optimizer": {
    "enabled": false,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"name":"DistributionFailed","type":"error"},{"inputs":[],"name":"InsufficientBalance","type":"error"},{"inputs":[],"name":"InvalidRecipients","type":"error"},{"inputs":[],"name":"TransferFailed","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address[]","name":"recipients","type":"address[]"},{"internalType":"uint256","name":"amountEach","type":"uint256"}],"name":"distributeToken","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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