vega-frontend-monorepo/apps/trading/components/fees-container/Fees.graphql

query DiscountPrograms {
  currentReferralProgram {
    benefitTiers {
      minimumEpochs
      minimumRunningNotionalTakerVolume
      referralDiscountFactor
    }
    windowLength
  }
  currentVolumeDiscountProgram {
    benefitTiers {
      minimumRunningNotionalTakerVolume
      volumeDiscountFactor
    }
    windowLength
  }
}

query Fees($partyId: ID!) {
  epoch {
    id
  }
  volumeDiscountStats(partyId: $partyId, pagination: { last: 1 }) {
    edges {
      node {
        atEpoch
        discountFactor
        runningVolume
      }
    }
  }
  referrer: referralSets(referrer: $partyId) {
    edges {
      node {
        id
        referrer
      }
    }
  }
  referee: referralSets(referee: $partyId) {
    edges {
      node {
        id
        referrer
      }
    }
  }
  referralSetReferees(referee: $partyId) {
    edges {
      node {
        atEpoch
      }
    }
  }
  referralSetStats(partyId: $partyId, pagination: { last: 1 }) {
    edges {
      node {
        atEpoch
        discountFactor
        referralSetRunningNotionalTakerVolume
      }
    }
  }
}