query ReferralSetStats($code: ID!, $epoch: Int) {
  referralSetStats(setId: $code, epoch: $epoch) {
    edges {
      node {
        atEpoch
        partyId
        discountFactor
        rewardFactor
        epochNotionalTakerVolume
        referralSetRunningNotionalTakerVolume
        rewardsMultiplier
        rewardsFactorMultiplier
      }
    }
  }
}