sclass G22DriftSystem extends MetaWithChangeListeners {
  settable S cryptoCoin;
  
  // Position currently taken on platform (in crypto coin units)
  // Positive for long position, negative for short position,
  // zero for no position.
  settable double driftOnPlatform;
  
  // Drift value we want to have
  settable double targetDrift;
  
  // Platform parameters
  settableWithVar FutureCoinParameters coinParams;
}