type Transaction @entity {
  id: ID!
  currency: Bytes!
  maturity: BigInt!
  side: Int!
  executionPrice: BigInt!
  user: User!
  executionType: TransactionExecutionType!
  futureValue: BigInt!
  amount: BigInt!
  feeInFV: BigInt!
  averagePrice: BigDecimal!
  lendingMarket: LendingMarket!
  order: Order!

  createdAt: BigInt!
  blockNumber: BigInt!
  txHash: Bytes!
}

type Order @entity {
  id: ID!
  orderId: BigInt!
  user: User!
  currency: Bytes!
  side: Int!
  maturity: BigInt!
  inputUnitPrice: BigInt!
  inputAmount: BigInt!
  filledAmount: BigInt!
  status: OrderStatus!
  statusUpdatedAt: BigInt!
  lendingMarket: LendingMarket!
  isPreOrder: Boolean!
  type: OrderType!
  transactions: [Transaction!]! @derivedFrom(field: "order")
  isCircuitBreakerTriggered: Boolean!

  createdAt: BigInt!
  blockNumber: BigInt!
  txHash: Bytes!
}

type LendingMarket @entity {
  id: ID!
  currency: Bytes!
  maturity: BigInt!
  isActive: Boolean!
  transactions: [Transaction!]! @derivedFrom(field: "lendingMarket")
  orders: [Order!]! @derivedFrom(field: "lendingMarket")
  volume: BigInt!
  dailyVolume: [DailyVolume!]! @derivedFrom(field: "lendingMarket")
  openingUnitPrice: BigInt!
  lastLendUnitPrice: BigInt!
  lastBorrowUnitPrice: BigInt!
  offsetAmount: BigInt!
}

enum TransactionExecutionType {
  Maker
  Taker
}

enum OrderType {
  Market
  Limit
  Unwind
}

enum OrderStatus {
  Open
  PartiallyFilled
  Filled
  Killed
  Cancelled
}

type User @entity {
  id: ID! # wallet address
  createdAt: BigInt!
  transactionCount: BigInt!
  transactions: [Transaction!]! @derivedFrom(field: "user")
  orderCount: BigInt!
  orders: [Order!]! @derivedFrom(field: "user")
  liquidationCount: BigInt!
  liquidations: [Liquidation!]! @derivedFrom(field: "user")
  transferCount: BigInt!
  transfers: [Transfer!]! @derivedFrom(field: "user")
  deposits: [Deposit!]! @derivedFrom(field: "user")
}

type DailyVolume @entity {
  id: ID! # currency-maturity-date(yyyy-mm-dd)
  currency: Bytes!
  maturity: BigInt!
  day: String! # dd-mm-yyyy
  volume: BigInt!
  timestamp: BigInt!
  lendingMarket: LendingMarket!
}

type Protocol @entity {
  id: ID! # 1
  totalUsers: BigInt!
}

type Liquidation @entity {
  id: ID!
  collateralCurrency: Bytes!
  debtCurrency: Bytes!
  debtMaturity: BigInt!
  debtAmount: BigInt!
  user: User!

  timestamp: BigInt!
  blockNumber: BigInt!
  txHash: Bytes!
}

enum TransferType {
  Deposit
  Withdraw
}

type Transfer @entity {
  id: ID!
  user: User!
  currency: Bytes!
  amount: BigInt!
  transferType: TransferType!

  timestamp: BigInt!
  blockNumber: BigInt!
  txHash: Bytes!
}

type Deposit @entity {
  id: ID!
  user: User!
  currency: Bytes!
  amount: BigInt!
}

type TransactionCandleStick @entity {
  id: ID! # A composite ID, e.g., "currency-maturity-interval-epochTime"
  interval: BigInt! # interval in seconds
  currency: Bytes!
  maturity: BigInt!
  timestamp: BigInt! # The start time of the interval
  open: BigInt!
  close: BigInt!
  high: BigInt!
  low: BigInt!
  average: BigDecimal!
  volume: BigInt!
  volumeInFV: BigInt!
  lendingMarket: LendingMarket!
}