Simplified version of offer safety

offerSafety.js

const refundOk = payoutRules.every((payoutRule, i) => {
  if (payoutRule.kind === 'offer') {
    return extentOpsArray[i].includes(
      extents[i], 
      payoutRule.units.extent
    );
  }
  return true;
});

const winningsOk = payoutRules.every((payoutRule, i) => {
  if (payoutRule.kind === 'want') {
    return extentOpsArray[i].includes(
      extents[i], 
      payoutRule.units.extent
    );
  }
  return true;
});
return refundOk || winningsOk;
}