Shibburn

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

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

/// @title Shibburn
/// @author Shibburn.com
/// @notice Permanently burns SHIB by forwarding to the black hole on Ethereum
/// @dev Safety Note: Any SHIB sent to this contract is irretrievable. 
///      Once tokens are burned, they are gone forever. No owner, no admin, 
///      and no recovery mechanism exists.
contract Shibburn {
    /// @notice SHIB token on Ethereum mainnet
    IERC20 public constant token = IERC20(0x95aD61b0a150d79219dCF64E1E6Cc01f0B64C4cE);

    /// @notice Hardcoded burn address (true burn, irreversible)
    address public constant burnAddress = 0x0000000000000000000000000000000000000000;

    event Burned(uint256 amount, address indexed sink);

    /// @notice Burn the entire SHIB balance held by this contract
    function burnAll() external {
        uint256 bal = token.balanceOf(address(this));
        require(bal > 0, "no balance");
        require(token.transfer(burnAddress, bal), "transfer fail");
        emit Burned(bal, burnAddress);
    }

    /// @notice Burn a specific amount
    /// @param amount Amount to burn (forwards to burn address)
    function burn(uint256 amount) external {
        require(amount > 0, "amount=0");
        require(token.transfer(burnAddress, amount), "transfer fail");
        emit Burned(amount, burnAddress);
    }

    /// @notice View the SHIB balance currently held by this contract
    /// @return Balance in SHIB tokens
    function available() external view returns (uint256) {
        return token.balanceOf(address(this));
    }
}