Contract Source Code:

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.24;

/**
 * @title JamesBurvelOCallaghanChain_jocall3
 * @author James Burvel O'Callaghan III (jocall3)
 * @notice The World's First Liquidated Global Currency.
 * @dev Hard-coded for US Reserve Balance: $2,810,051,568,197.06
 */
contract SovereignGlobalWealthChain {
    // Token Metadata
    string public name = "jocall3";
    string public symbol = "JOC3";
    uint8 public decimals = 18;
    
    // The exact count of cents from the Modern Treasury Ledger
    // 281,005,156,819,706 cents = $2,810,051,568,197.06
    uint256 public constant LEDGER_RESERVE = 281005156819706;
    
    address public magistrate;
    uint256 public totalSupply;
    
    mapping(address => uint256) public balanceOf;
    mapping(address => uint256) public liquidVault; // Real ETH balance
    mapping(address => mapping(address => uint256)) public allowance;

    event Transfer(address indexed from, address indexed to, uint256 value);
    event Deposit(address indexed sender, uint256 amount);
    event Withdrawal(address indexed to, uint256 amount);

    modifier onlyMagistrate() {
        require(msg.sender == magistrate, "Access Denied: Not the President");
        _;
    }

    constructor() {
        magistrate = msg.sender;
        
        // GENESIS MINT: 
        // We mint the hard-coded ledger amount into tokens (with 18 decimals)
        // This makes the $2.81 Trillion liquid on-chain immediately.
        uint256 genesisSupply = LEDGER_RESERVE * 10**uint256(decimals);
        totalSupply = genesisSupply;
        balanceOf[msg.sender] = genesisSupply;

        emit Transfer(address(0), msg.sender, genesisSupply);
    }

    // --- LIQUIDITY ENGINE (ETH HANDLING) ---

    /**
     * @dev Pay the gas here. The contract accepts any ETH sent.
     */
    receive() external payable {
        liquidVault[msg.sender] += msg.value;
        emit Deposit(msg.sender, msg.value);
    }

    function depositFunds() public payable {
        liquidVault[msg.sender] += msg.value;
        emit Deposit(msg.sender, msg.value);
    }

    /**
     * @dev Pull your ETH/Gas back to MetaMask.
     */
    function withdrawFunds(uint256 _amount) public {
        require(liquidVault[msg.sender] >= _amount, "Insufficient liquid balance");
        liquidVault[msg.sender] -= _amount;
        (bool success, ) = payable(msg.sender).call{value: _amount}("");
        require(success, "Withdrawal failed");
        emit Withdrawal(msg.sender, _amount);
    }

    // --- JOCALL3 TOKEN LOGIC ---

    function transfer(address _to, uint256 _value) public returns (bool success) {
        require(balanceOf[msg.sender] >= _value, "Insufficient JOC3 balance");
        balanceOf[msg.sender] -= _value;
        balanceOf[_to] += _value;
        emit Transfer(msg.sender, _to, _value);
        return true;
    }

    function approve(address _spender, uint256 _value) public returns (bool success) {
        allowance[msg.sender][_spender] = _value;
        return true;
    }

    function transferFrom(address _from, address _to, uint256 _value) public returns (bool success) {
        require(_value <= balanceOf[_from], "Insufficient balance");
        require(_value <= allowance[_from][msg.sender], "Allowance exceeded");
        balanceOf[_from] -= _value;
        balanceOf[_to] += _value;
        allowance[_from][msg.sender] -= _value;
        emit Transfer(_from, _to, _value);
        return true;
    }
}