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contracts...SpockPlatform.sol

//SPDX-Identifier: Unlciensed

pragma solidity ^0.8.0;

contract SpockPlatform {
    mapping(address -> uint[]);
    address[] payable users;
    
    struct Stock {
        uint id;
        string playerName;
        uint totalNum;
        uint price;
        uint score;
    }
    
    function buyStock() payable {
        
    }
    
    
    function sellStock() {
        
    }
    
}