schema.graphql

type Attribute {
  # display_type field of metadata attributes
  displayType: String
  # trait_type field of metadata attributes
  traitType: String!
  value: String!
}

# these values come from the fetched metadata object from the token URI
type Metadata @entity {
  id: ID!
  name: String @index
  description: String
  image: String
  # external_url field of metadata
  externalUrl: String
  attributes: [Attribute!]
  type: String @index
  composite: Boolean
  layers: [String!]
  artist: String @index
  # artist_url field of metadata
  artistUrl: String
}

type Token @entity {
  id: ID!
  numericId: BigInt! @index
  owner: Owner
  # tokenURI of contract
  tokenUri: String
  # compositeURI of contract
  compositeTokenUri: String
  # timestamp when the token URIs were updated last
  updatedAt: BigInt! @index
  createdAt: BigInt! @index
  transfers: [Transfer!]! @derivedFrom(field: "token")
  contract: Contract!
  metadata: Metadata
}

type Owner @entity {
  id: ID!
  ownedTokens: [Token!]! @derivedFrom(field: "owner")
  totalCollectionNfts: [TotalOwnedNft!]!
  # amount of tokens
  balance: BigInt! @index
  transfers: [OwnerTransfer!] @derivedFrom(field: "owner")
}

type TotalOwnedNft {
  conctractAddress: String!
  amount: Int!
}
# Generic contract stats
type Contract @entity {
  # 1
  id: ID!
  factoryId: BigInt! @index
  name: String @index
  symbol: String @index
  #updated on each mint/burn
  totalSupply: BigInt!
  mintedTokens: [Token!]! @derivedFrom(field: "contract")
  # contract URI updated once e.g. a day
  contractURI: String
  # timestamp when the contract URI was updated last
  contractURIUpdated: BigInt @index
  decimals: Int
  startBlock: Int! @index

  #metadata
  metadataName: String @index
  description: String
  image: String
  externalLink: String
  artist: String @index
  artistUrl: String

  #counters
  uniqueOwnersCount: Int! @index
}

type Transfer @entity {
  id: ID!
  token: Token!
  from: Owner
  to: Owner
  timestamp: BigInt! @index
  block: Int! @index
  transactionHash: String! @index
}

enum Direction {
  FROM
  TO
}

type OwnerTransfer @entity {
  id: ID!
  owner: Owner
  transfer: Transfer!
  direction: Direction!
}