// The "Maker & Taker" Game

sclass MakerAndTakerGame {
  //////// Maker's output 
  
  Bool makerSaysUp;        // null: We're just starting
                           // true: Price has gone 1 step up since last round
                           // false: Price has gone 1 step down
                          
  //////// Taker's output & score, plus time keeper (=rounds played)
  int takersCurrentBet;    // +1 to bet long, -1 to bet short, +2 to bet extra long etc, 0 to stop betting for now
  int takersScore;         // Sum of taker's wins + losses
  int roundsPlayed;        // How many rounds (a round is one take and one make) we had
  
  //////// Internal toggle for fun purposes
  
  bool takersTurn = true;  // Taker always starts
  
  //////// MAKER CODE ////////
  
  // This defines the crypto's movement over time.
  // true = one step up, false = one step down. Multiple steps at once
  // ("cell skips") are anomalies and are not supported here.
  swappable bool nextCryptoMove() { fail("Put something here"); }
  
  void make {
    makerSaysUp = nextCryptoMove();
    takersScore += takersCurrentBet*(makerSaysUp ? 1 : -1);
    ++roundsPlayed;
    takersTurn = true;
  }
  
  //////// TAKER CODE ////////
  
  // Taker's secret sauceeee!
  // IOW, do strategy XYZ super-smart mega calculation stuff.
  // (you can, but don't have to, make use of the value of makerSaysUp.)
  // Set takersCurrentBet to a really smart value.
  // If you're done betting, just say takersCurrentBet = 0 and you're out
  // immediately.
  
  swappable void magicJuice {}
  
  void take {
    magicJuice();
    takersTurn = false;
  }
  
  void step {
    if (takersTurn) take(); else make();
  }
}