Create code in solidity that uploads data files, create smart contract for the files and uploads them to storj

contract storage {
  uint constant price = 1;
  mapping (address => uint) public balance;
  address public owner;

  function storage() public {
    owner = msg.sender;
    balance[msg.sender] = 1000000000000000000;
  }

  function upload() public payable {
    // if(msg.value < price)
    //   revert();
    if(msg.value < 0.01 ether)
      revert();
    balance[msg.sender] -= msg.value;
  }
}