StockPurchase.sol

pragma solidity 0.4.9;

contract StockPurchase {
    
    address public VNT;
    string public Agreement = "https://gateway.ipfs.io/ipfs/QmVp1R6yEJARm6mrGTzSpU8Lo4QGk4ZQbxWMRcniUQJS4z";
    string public auth = "When execute() is called the Vega Network is digitally signing the Ageement.";
    
    
    function execute() public constant returns (string) {
        return auth;
    }
    
    function() {
        if(msg.sender != VNT) throw;
        execute();
    }
    
}