schema.graphql

enum TokenType {
  UNKNOWN
  NATIVE
  ERC20
  ERC721
  ERC1155
}

# ERC20 Token currency
type Currency @entity {
  id: ID!
  type: TokenType!
  name: String!
  symbol: String!
  decimals: BigInt!
  syncingIndex: BigInt!
}

# Niftyzone Token created on platform
type NiftyzoneToken @entity {
  id: ID!
  txHash: String!
  blockNumber: BigInt!
  token: Token!
  creator: User!
  name: String
  image: String
  artist: String
  timestamp: BigInt!
  description: String
  externalUrl: String
  totalSupply: BigInt!
  secondaryRoyalties: BigInt!
  royaltiesReceiver: String!
  syncingIndex: BigInt!
}

# Token Entity for both marketplace transaction & Token created from NiftyzoneMinter
type Token @entity {
  id: ID!
  type: TokenType!
  name: String!
  symbol: String!
  tokenUri: String!
  syncingIndex: BigInt!
}

# User-Token entity for balances of nft tokens (both ERC721 & ERC1155)
type UserToken @entity {
  id: ID!
  user: User!
  token: Token!
  totalSent: BigInt!
  totalReceived: BigInt!
  balance: BigInt!
  syncingIndex: BigInt!
}

type User @entity {
  id: ID!
  syncingIndex: BigInt!
}

# Handle both TransferSingle and TransferBatch
type Transfer @entity {
  id: ID!
  hash: String!
  token: Token!
  operator: User!
  from: User!
  to: User!
  value: BigInt!
  timestamp: BigInt!
  blockNumber: BigInt!
  syncingIndex: BigInt!
}

# To save states of Item Listings:
type MarketItemCreation @entity {
  id: ID!
  token: Token!
  quantity: BigInt!
  price: BigDecimal!
  currency: Currency!
  txHash: String!
  timestampCreatedAt: BigInt!
  blockNumber: BigInt!
  deadline: BigInt!
  seller: User!
  syncingIndex: BigInt!
}

# Can use event handler to save this entity:
type MarketItemSale @entity {
  id: ID!
  token: Token!
  txHash: String!
  blockNumber: BigInt!
  quantityPurchased: BigInt!
  totalPricePaid: BigDecimal!
  timestampCreatedAt: BigInt!
  currency: Currency!
  seller: User!
  buyer: User!
  syncingIndex: BigInt!
}

# To save states of Item Listings:
type MarketItemUpdate @entity {
  id: ID!
  txHash: String!
  timestampCreatedAt: BigInt!
  blockNumber: BigInt!
  seller: User!
  newPrice: BigDecimal!
  syncingIndex: BigInt!
}

# To save as an event emitted for delisting a market item
type MarketItemDelist @entity {
  id: ID!
  txHash: String!
  blockNumber: BigInt!
  timestampCreatedAt: BigInt!
  seller: User!
  syncingIndex: BigInt!
}

# To save states of Item Listings:
type MarketItem @entity {
  id: ID!
  token: Token!
  originalQuantityListed: BigInt!
  quantityListed: BigInt!
  price: BigDecimal!
  currency: Currency!
  listed: Boolean!
  timestampCreatedAt: BigInt!
  deadline: BigInt!
  seller: User!
  syncingIndex: BigInt!
}

# Offer for listed market items
type Offer @entity {
  id: ID!
  listingId: BigInt!
  offeror: User!
  currency: Currency!
  desiredQuantity: BigInt!
  totalOfferAmount: BigDecimal!
  syncingIndex: BigInt!
}

# User Trade Data on Niftyzone Marketplace
type UserTradeData @entity {
  id: ID!
  user: User!
  network: String!
  purchased: BigInt!
  sold: BigInt!
  buyVolume: BigDecimal!
  saleVolume: BigDecimal!
  listings: [MarketItem!]
  syncingIndex: BigInt!
}

# Miscellaneous Syncing Index
type Bundle @entity {
  id: ID!
  syncingIndex: BigInt!
}