schema.graphql

type Block @entity {
  id: ID!

  number: BigInt
  timestamp: Date
  parentHash: String
  specVersion: Int

  extrinsics: [Extrinsic] @derivedFrom(field: "block")
  events: [Event] @derivedFrom(field: "block")
  transfers: [Transfer] @derivedFrom(field: "block")
}

type Extrinsic @entity {
  id: ID!

  method: String
  section: String
  args: String
  signer: Account #create relation to account
  nonce: BigInt
  timestamp: Date
  signature: String
  tip: BigInt
  isSigned: Boolean
  isSuccess: Boolean

  block: Block #create relation to block
  events: [Event] @derivedFrom(field: "extrinsic")
}

type Event @entity {
  id: ID!

  index: Int!
  section: String!
  method: String!
  data: String!
  timestamp: Date

  block: Block #create relation to block
  extrinsic: Extrinsic #create relation to extrinsic
}

type Account @entity {
  id: ID!

  transferTotalCount: Int

  extrinsics: [Extrinsic] @derivedFrom(field: "signer")
  transferIn: [Transfer] @derivedFrom(field: "to")
  transferOut: [Transfer] @derivedFrom(field: "from")
}

type Token @entity {
  id: ID!

  decimal: Int
  name: String
}

type Transfer @entity {
  id: ID!

  from: Account
  to: Account
  token: Token
  amount: BigInt
  timestamp: Date
  fee: BigInt
  blockNumber: BigInt
  # TODO add index field

  block: Block #create relation to block
}