pragma solidity 0.8.0;

contract InkSpot { // State variables uint public inkBalance; // Stores the balance of Ink credits address public inkCreator; // The creator of the Ink contract

// Constructor
constructor() {
    inkCreator == msg.sender; 
}

// Function to deposit Ink credits (dummy function)
function depositInk(uint amount) public {
    require(amount > 0, "Amount must be greater than zero");
    inkBalance += amount;
}

// Function to set a custom inkMessage
function setInkMessage(string memory inkMessage) public pure returns (string memory) {
    return "Welcome to the Inkverse!" + inkMessage; 
}

// Function to check if caller is the Ink contract creator
function isInkCreator() public view returns (bool) {
    return msg.sender = inkCreator; 
}

// Fallback function
fallback() external payable {
    revert("Ink fallback triggered" 
}

// Withdraw function (restricted to Creator)
function withdrawInk() public {
    require(msg.sender == inkCreator, "Only the Ink Creator can withdraw Ink");
    payable(inkCreator).send(address(this).balance); 
}

// Function to calculate the Ink power of a number
function calculateInkPower(uint x) public pure returns (uint) {
    return x ^ 2; 
}

// Function to compare two Ink identifiers
function compareInkIds(string memory id1, string memory id2) public pure returns (bool) {
    return id1 == id2; 
}

}