schema.graphql

type Timekeeper @entity {
  id: ID! # "global"
  lastPeriodStart: Date!
}

type Pool @entity {
  id: ID! #poolId
  # It's not possible to simply retrieve all entities, but it is supported
  # to get all entities by a field. Hence we add the same type field to all
  # pools, so we can do Pool.getByType("POOL").
  blockchain: Blockchain! @index
  type: String! @index
  isActive: Boolean! @index

  createdAt: Date
  createdAtBlockNumber: Int

  currency: Currency
  metadata: String

  name: String
  assetClass: String
  assetSubclass: String
  icon: String

  minEpochTime: Int
  maxPortfolioValuationAge: Int

  # This cannot reference Pool directly, since this leads to a cyclic dependency.
  currentEpoch: Int
  lastEpochClosed: Int
  lastEpochExecuted: Int

  #States
  portfolioValuation: BigInt
  totalReserve: BigInt
  availableReserve: BigInt
  maxReserve: BigInt
  sumDebt: BigInt
  value: BigInt

  # Aggregated transaction data over the last period
  sumBorrowedAmountByPeriod: BigInt
  sumRepaidAmountByPeriod: BigInt
  sumPrincipalRepaidAmountByPeriod: BigInt
  sumInterestRepaidAmountByPeriod: BigInt
  sumUnscheduledRepaidAmountByPeriod: BigInt
  
  sumInvestedAmountByPeriod: BigInt
  sumRedeemedAmountByPeriod: BigInt
  sumNumberOfAssetsByPeriod: BigInt

  sumNumberOfActiveAssets: BigInt
  sumDebtOverdue: BigInt
  sumDebtWrittenOffByPeriod: BigInt
  deltaPortfolioValuationByPeriod: BigInt
  sumInterestAccruedByPeriod: BigInt

  sumChargedAmountByPeriod: BigInt
  sumAccruedAmountByPeriod: BigInt
  sumPaidAmountByPeriod: BigInt

  # Cumulated transaction data since pool creation
  sumBorrowedAmount: BigInt
  sumRepaidAmount: BigInt
  sumPrincipalRepaidAmount: BigInt
  sumInterestRepaidAmount: BigInt
  sumUnscheduledRepaidAmount: BigInt
  sumNumberOfAssets: BigInt

  tranches: [Tranche] @derivedFrom(field: "pool")
}

#Tracks PoolState over Time
type PoolSnapshot @entity {
  id: ID! #poolId-blockNumber
  pool: Pool!

  timestamp: Date!
  blockNumber: Int!
  periodStart: Date! @index

  #States
  portfolioValuation: BigInt
  totalReserve: BigInt
  availableReserve: BigInt
  maxReserve: BigInt
  sumDebt: BigInt
  value: BigInt

  # Aggregated transaction data over the last period
  sumBorrowedAmountByPeriod: BigInt
  sumRepaidAmountByPeriod: BigInt
  sumPrincipalRepaidAmountByPeriod: BigInt
  sumInterestRepaidAmountByPeriod: BigInt
  sumUnscheduledRepaidAmountByPeriod: BigInt
  
  sumInvestedAmountByPeriod: BigInt
  sumRedeemedAmountByPeriod: BigInt
  sumNumberOfAssetsByPeriod: BigInt

  sumNumberOfActiveAssets: BigInt
  sumDebtOverdue: BigInt
  sumDebtWrittenOffByPeriod: BigInt
  deltaPortfolioValuationByPeriod: BigInt
  sumInterestAccruedByPeriod: BigInt

  sumChargedAmountByPeriod: BigInt
  sumAccruedAmountByPeriod: BigInt
  sumPaidAmountByPeriod: BigInt

  # Cumulated transaction data since pool creation
  sumBorrowedAmount: BigInt
  sumRepaidAmount: BigInt
  sumPrincipalRepaidAmount: BigInt
  sumInterestRepaidAmount: BigInt
  sumUnscheduledRepaidAmount: BigInt
  sumNumberOfAssets: BigInt
}

type Tranche @entity {
  id: ID! #poolId-trancheId
  blockchain: Blockchain! @index
  type: String! @index
  pool: Pool! @index
  trancheId: String!

  index: Int

  isResidual: Boolean
  seniority: Int
  interestRatePerSec: BigInt
  minRiskBuffer: BigInt

  isActive: Boolean! @index

  tokenSupply: BigInt
  tokenPrice: BigInt
  sumDebt: BigInt

  sumOutstandingInvestOrdersByPeriod: BigInt
  sumOutstandingRedeemOrdersByPeriod: BigInt
  sumOutstandingRedeemOrdersCurrencyByPeriod: BigInt

  sumFulfilledInvestOrdersByPeriod: BigInt
  sumFulfilledRedeemOrdersByPeriod: BigInt
  sumFulfilledRedeemOrdersCurrencyByPeriod: BigInt

  yield30DaysAnnualized: BigInt
  yield90DaysAnnualized: BigInt
  yieldSinceInception: BigInt
  yieldSinceLastPeriod: BigInt
}

type TrancheSnapshot @entity {
  id: ID! #poolId-trancheId-blockNumber
  tranche: Tranche!

  timestamp: Date!
  blockNumber: Int!
  periodStart: Date! @index

  tokenSupply: BigInt
  tokenPrice: BigInt
  sumDebt: BigInt

  sumOutstandingInvestOrdersByPeriod: BigInt!
  sumOutstandingRedeemOrdersByPeriod: BigInt!
  sumOutstandingRedeemOrdersCurrencyByPeriod: BigInt!

  sumFulfilledInvestOrdersByPeriod: BigInt!
  sumFulfilledRedeemOrdersByPeriod: BigInt!
  sumFulfilledRedeemOrdersCurrencyByPeriod: BigInt!

  yield30DaysAnnualized: BigInt
  yield90DaysAnnualized: BigInt
  yieldSinceInception: BigInt
  yieldSinceLastPeriod: BigInt
}

type Epoch @entity {
  id: ID! #poolId-epochIndex
  pool: Pool!

  index: Int!

  openedAt: Date!
  closedAt: Date
  executedAt: Date

  # Aggregated data during this epoch
  sumBorrowedAmount: BigInt!
  sumRepaidAmount: BigInt!
  sumInvestedAmount: BigInt!
  sumRedeemedAmount: BigInt!

  epochStates: [EpochState] @derivedFrom(field: "epoch")

  investorTransactions: [InvestorTransaction] @derivedFrom(field: "epoch")
}

type EpochState @entity {
  id: ID! #poolId-epochIndex-trancheId
  epoch: Epoch! @index
  trancheId: String!

  tokenPrice: BigInt

  sumOutstandingInvestOrders: BigInt!
  sumOutstandingRedeemOrders: BigInt!
  sumOutstandingRedeemOrdersCurrency: BigInt!
  sumFulfilledInvestOrders: BigInt
  sumFulfilledRedeemOrders: BigInt
  sumFulfilledRedeemOrdersCurrency: BigInt

  investFulfillmentPercentage: BigInt
  redeemFulfillmentPercentage: BigInt
}

enum InvestorTransactionType {
  INVEST_ORDER_UPDATE
  REDEEM_ORDER_UPDATE
  INVEST_ORDER_CANCEL
  REDEEM_ORDER_CANCEL
  INVEST_EXECUTION
  REDEEM_EXECUTION
  TRANSFER_IN
  TRANSFER_OUT
  INVEST_COLLECT
  REDEEM_COLLECT
  INVEST_LP_COLLECT
  REDEEM_LP_COLLECT
}

type OutstandingOrder @entity {
  id: ID! # pool id - tranche id - investor address
  hash: String!
  account: Account! @index #Account @index
  pool: Pool! @index
  tranche: Tranche! @index
  epochNumber: Int!
  timestamp: Date!

  investAmount: BigInt!
  redeemAmount: BigInt!
}

type InvestorTransaction @entity {
  id: ID! # extrinsic hash - epoch number ( or 0 for EVM ) - transaction type
  hash: String!
  account: Account! @index #Account @index
  pool: Pool! @index
  tranche: Tranche! @index
  epochNumber: Int
  timestamp: Date!
  epoch: Epoch @index

  type: InvestorTransactionType!
  tokenAmount: BigInt
  currencyAmount: BigInt
  tokenPrice: BigInt
  transactionFee: BigInt
}

enum AssetTransactionType {
  CREATED
  BORROWED
  REPAID
  CLOSED
}

type AssetTransaction @entity {
  id: ID! # extrinsic hash - epoch number - transaction type
  timestamp: Date!
  pool: Pool! @index
  hash: String!

  account: Account! @index
  epochNumber: Int!
  epoch: Epoch! @index
  asset: Asset!
  type: AssetTransactionType!

  # applies to all BORROWED and REPAID transactions
  amount: BigInt
  principalAmount: BigInt
  interestAmount: BigInt
  unscheduledAmount: BigInt

  # only applies to BORROWED and REPAID transactions for external assets
  quantity: BigInt
  settlementPrice: BigInt

  # only applies to debt transfers
  fromAsset: Asset
  toAsset: Asset
}

type Account @entity {
  id: ID!
  chain: Blockchain!
  evmAddress: String @index

  pureProxies: [PureProxy] @derivedFrom(field: "account")

  investorTransactions: [InvestorTransaction] @derivedFrom(field: "account")
  assetTransactions: [AssetTransaction] @derivedFrom(field: "account")

  outstandingOrders: [OutstandingOrder] @derivedFrom(field: "account")
  trancheBalances: [TrancheBalance] @derivedFrom(field: "account")
  currencyBalances: [CurrencyBalance] @derivedFrom(field: "account")
}

type TrancheBalance @entity {
  id: ID! # address - pool id - tranche id
  account: Account! @index
  pool: Pool! @index
  tranche: Tranche! @index

  pendingInvestCurrency: BigInt!
  claimableTrancheTokens: BigInt!

  pendingRedeemTrancheTokens: BigInt!
  claimableCurrency: BigInt!

  sumClaimedTrancheTokens: BigInt!
  sumClaimedCurrency: BigInt!
}

enum AssetStatus {
  CREATED
  ACTIVE
  CLOSED
}

enum AssetType {
  OnchainCash
  OffchainCash
  Other
}

enum AssetValuationMethod {
  Cash
  DiscountedCashFlow
  OutstandingDebt
  Oracle
}

type Asset @entity {
  id: ID! # poolId - assetId
  createdAt: Date!

  blockchain: Blockchain! @index
  type: AssetType!
  valuationMethod: AssetValuationMethod!

  collateralNftClassId: BigInt
  collateralNftItemId: BigInt

  metadata: String
  name: String

  advanceRate: BigInt
  collateralValue: BigInt
  probabilityOfDefault: BigInt
  lossGivenDefault: BigInt
  discountRate: BigInt

  interestRatePerSec: BigInt

  isAdminWrittenOff: Boolean

  pool: Pool!

  isActive: Boolean! @index
  status: AssetStatus!

  outstandingPrincipal: BigInt
  outstandingInterest: BigInt
  outstandingDebt: BigInt
  presentValue: BigInt
  actualMaturityDate: Date
  timeToMaturity: Int
  actualOriginationDate: Date
  writeOffPercentage: BigInt
  totalBorrowed: BigInt
  totalRepaid: BigInt
  totalRepaidPrincipal: BigInt
  totalRepaidInterest: BigInt
  totalRepaidUnscheduled: BigInt

  borrowedAmountByPeriod: BigInt
  repaidAmountByPeriod: BigInt

  interestAccruedByPeriod: BigInt

  writeOffIndex: Int
  writtenOffPercentageByPeriod: BigInt
  writtenOffAmountByPeriod: BigInt
  penaltyInterestRatePerSec: BigInt
}

type AssetSnapshot @entity {
  id: ID! # poolId - loanId - blockNumber
  asset: Asset!

  timestamp: Date!
  blockNumber: Int!
  periodStart: Date! @index

  outstandingPrincipal: BigInt
  outstandingInterest: BigInt
  outstandingDebt: BigInt
  presentValue: BigInt
  actualMaturityDate: Date
  timeToMaturity: Int
  actualOriginationDate: Date
  writeOffPercentage: BigInt
  totalBorrowed: BigInt
  totalRepaid: BigInt
  totalRepaidPrincipal: BigInt
  totalRepaidInterest: BigInt
  totalRepaidUnscheduled: BigInt

  borrowedAmountByPeriod: BigInt
  repaidAmountByPeriod: BigInt

  interestAccruedByPeriod: BigInt

  writtenOffPercentageByPeriod: BigInt
  writtenOffAmountByPeriod: BigInt
  penaltyInterestRatePerSec: BigInt
}

type PureProxy @entity {
  id: ID!

  account: Account! @index
  createdBy: String!
  proxyType: String
}

type Proxy @entity {
  id: ID!

  delegator: String!
  delegatee: String!
  proxyType: String
  isRemoved: Boolean
  delay: BigInt
}

type Currency @entity {
  id: ID! # chainId - currencySpec - [currencySpec]
  chain: Blockchain!
  decimals: Int!
  name: String
  symbol: String

  tokenAddress: String
  escrowAddress: String
  userEscrowAddress: String

  pool: Pool
  tranche: Tranche
}

type CurrencyBalance @entity {
  id: ID! # address - currencyId
  account: Account! @index

  currency: Currency!
  amount: BigInt!
}

type Blockchain @entity {
  id: ID! #EVM chainId
}

enum PoolFeeStatus {
  PROPOSED
  ADDED
  REMOVED
}

enum PoolFeeType {
  Fixed
  ChargedUpTo
}

type PoolFee @entity {
  id: ID! # poolId - feeId
  feeId: String!
  type: PoolFeeType!
  status: PoolFeeStatus!
  isActive: Boolean! @index
  blockchain: Blockchain! @index

  createdAt: Date
  createdAtBlockNumber: Int
  createdAtEpoch: Int

  name: String

  pool: Pool! @index

  sumChargedAmount: BigInt #Applies to Fixed ONLY
  sumAccruedAmount: BigInt #Applies toChargedUpTo ONLY
  sumPaidAmount: BigInt #Applies to All
  pendingAmount: BigInt #Applies to All

  sumChargedAmountByPeriod: BigInt #Applies to Fixed ONLY
  sumAccruedAmountByPeriod: BigInt #Applies toChargedUpTo ONLY
  sumPaidAmountByPeriod: BigInt #Applies to All
}

type PoolFeeSnapshot @entity {
  id: ID! # poolId - feeId - blockNumber
  feeId: String!
  poolFee: PoolFee! @index

  timestamp: Date!
  blockNumber: Int!
  periodStart: Date! @index

  sumChargedAmount: BigInt #Applies to Fixed ONLY
  sumAccruedAmount: BigInt #Applies toChargedUpTo ONLY
  sumPaidAmount: BigInt #Applies to All
  pendingAmount: BigInt #Applies to All

  sumChargedAmountByPeriod: BigInt #Applies to Fixed ONLY
  sumAccruedAmountByPeriod: BigInt #Applies toChargedUpTo ONLY
  sumPaidAmountByPeriod: BigInt #Applies to All
}

enum PoolFeeTransactionType {
  PROPOSED
  ADDED
  REMOVED
  CHARGED
  UNCHARGED
  PAID
  ACCRUED
}

type PoolFeeTransaction @entity {
  id: ID! # extrinsicHash - epochNumber - transaction type
  poolFee: PoolFee! @index
  type: PoolFeeTransactionType!

  timestamp: Date!
  blockNumber: Int!
  epochNumber: Int!

  amount: BigInt

}