schema.graphql

enum ConsensusContract {
  LoanTermsConsensus
  InterestConsensus
}

enum LendingPoolAction {
  Deposited
  Withdrawn
  Repaid
  InterestWithdrawn
  PaymentLiquidated
}

enum LoanStatus {
  TermsSet
  Active
  Closed
}

enum TokenStatusAction {
  Transfer
  Approval
  MinterAdded
  MinterRemoved
}

type EthTransaction @entity {
  id: ID!
  event: String!
  from: Bytes!
  gasPrice: BigInt!
  gasSent: BigInt!
  hash: Bytes!
  index: BigInt!
  to: Bytes!
  value: BigInt!
  contract: Bytes!
  timestamp: BigInt!
  gasLimit: BigInt!
  blockNumber: BigInt!
}

type Borrower @entity {
  id: ID!
  address: Bytes!
  loans: [Loan!]! @relation
}

type Loan @entity {
  id: ID!
  token: String!
  collateralToken: String!
  transaction: EthTransaction!
  borrower: Borrower!
  recipient: Bytes!
  terms: LoanTerm!
  startDate: BigInt! # https://github.com/graphql/graphql-js/issues/1003#issuecomment-324790647
  endDate: BigInt!
  amountBorrowed: BigInt!
  "Current loan status."
  status: LoanStatus!
  "All the repayments made to this loan."
  repayments: [LoanRepayment!]!
  totalRepaidAmount: BigInt!
  totalOwedAmount: BigInt!
  collateralDeposits: [CollateralDeposit!]!
  totalCollateralDepositsAmount: BigInt!
  collateralWithdrawns: [CollateralWithdraw!]!
  totalCollateralWithdrawalsAmount: BigInt!
  liquidation: Liquidation
  "Represents the escrow contract that is created when the loan is taken out by the borrower or recipient. A loan can have only one escrow."
  escrow: Escrow
  "Blocknumber the loan was most recently updated."
  blockNumber: BigInt!
  "Timestamp the loan was most recently updated."
  timestamp: BigInt!
}

####################################################################################
#
# It contains the Escrow information related to a given loan (after it was taken out).
#
####################################################################################
type Escrow @entity {
  "It includes the market (borrowed and collateral token names) and loan ID. See Loan#ID field."
  id: ID!
  "The ETH transaction when the escrow was created (loan was taken out)."
  transaction: EthTransaction!
  "The loan reference to which this escrow is associated to."
  loan: Loan! @relation
  "Blocknumber the escrow was most recently updated."
  blockNumber: BigInt!
  "Timestamp the escrow was most recently updated."
  timestamp: BigInt!
}

type LoanTerm @entity {
  id: ID! # LoanID
  transaction: EthTransaction!
  interestRate: BigInt!
  collateralRatio: BigInt! 
  maxLoanAmount: BigInt!
  duration: BigInt!
  expiryAt: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type Liquidation @entity {
  id: ID! # LoanID
  transaction: EthTransaction!
  loan: Loan!
  liquidator: Bytes!
  collateralOut: BigInt!
  tokensIn: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type LoanRepayment @entity {
  id: ID!
  transaction: EthTransaction!
  loan: Loan!
  amount: BigInt!
  payer: Bytes!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type CollateralDeposit @entity {
  id: ID!
  transaction: EthTransaction!
  loan: Loan!
  borrower: Borrower!
  amount: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type CollateralWithdraw @entity {
  id: ID!
  transaction: EthTransaction!
  loan: Loan!
  borrower: Borrower!
  amount: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type LendingPoolStatus @entity {
  id: ID!
  platformToken: String!
  lendingToken: String!
  collateralToken: String!
  amount: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type LendingPoolChange @entity {
  id: ID!
  platformToken: String!
  lendingToken: String!
  collateralToken: String!
  transaction: EthTransaction!
  address: Bytes!
  amount: BigInt!
  action: LendingPoolAction!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type InterestSubmitted @entity {
  id: ID!
  token: String!
  collateralToken: String!
  transaction: EthTransaction!
  signer: Bytes!
  lender: Bytes!
  requestNonce: BigInt!
  interest: BigInt!
  endTime: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type InterestAccepted @entity {
  id: ID!
  token: String!
  collateralToken: String!
  transaction: EthTransaction!
  lender: Bytes!
  requestNonce: BigInt!
  endTime: BigInt!
  interest: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

####################################################################################
#
# It contains all the loan terms submitted by the signers.
#
####################################################################################
type LoanTermsSubmitted @entity {
  "An unique ID."
  id: ID!
  "The lending/borrowed token name."
  token: String!
  "The collateral token name."
  collateralToken: String!
  "The reference to the ETH transaction."
  transaction: EthTransaction!
  "The signer address."
  signer: Bytes!
  "The borrower address."
  borrower: Bytes!
  "The request nonce used in the loan terms."
  requestNonce: BigInt!
  "The signer nonce used in this loan terms."
  signerNonce: BigInt!
  "The interest rate accepted."
  interestRate: BigInt!
  "The collateral ratio accepted."
  collateralRatio: BigInt!
  "The max loan amount accepted."
  maxLoanAmount: BigInt!
  "Blocknumber where the transaction was executed."
  blockNumber: BigInt!
  "Timestamp when the transaction was executed."
  timestamp: BigInt!
}

type LoanTermsAccepted @entity {
  id: ID!
  token: String!
  collateralToken: String!
  transaction: EthTransaction!
  borrower: Bytes!
  requestNonce: BigInt!
  interestRate: BigInt!
  collateralRatio: BigInt!
  maxLoanAmount: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type AccruedInterestChange @entity {
  id: ID!
  token: String!
  collateralToken: String!
  transaction: EthTransaction!
  lender: Bytes!
  totalNotWithdrawn: BigInt!
  totalAccruedInterest: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type AccruedInterestWithdrawalChange @entity {
  id: ID!
  token: String!
  collateralToken: String!
  transaction: EthTransaction!
  recipient: Bytes!
  amount: BigInt!
  blockNumber: BigInt!
  timestamp: BigInt!
}

####################################################################################
#
# It contains the last tToken holder balances.
# Each row represents the current holder balance for a given tToken.
#
####################################################################################
type TTokenHolderBalancesStatus @entity {
  "TToken address and holder address."
  id: ID!
  "Current holder balance for the given platform token (tToken)."
  balance: BigInt!
  "TToken symbol"
  platformToken: String!
  "Holder address."
  holder: Bytes!
  "Blocknumber the holder balance was most recently updated."
  blockNumber: BigInt!
  "Timestamp the holder balance was most recently updated."
  updatedAt: BigInt!
}

####################################################################################
#
# It contains all the tToken changes (like transfers, approvals).
# Each change (transaction) represents a row in the entity.
#
####################################################################################
type TTokenHolderActionsChange @entity {
  "Transaction hash and event index."
  id: ID!
  "Transaction info about the change."
  transaction: EthTransaction!
  "TToken amount involved in the transaction."
  amount: BigInt!
  "The TToken name involved in the transaction."
  platformToken: String!
  "TToken holder address that sent the transaction."
  from: Bytes!
  "Address that received the change."
  to: Bytes!
  "Enum that identifies the token action."
  action: TokenStatusAction!
  "Blocknumber where the transaction was executed."
  blockNumber: BigInt!
  "Timestamp when the transaction was executed."
  timestamp: BigInt!
}

type PlatformSettingsStatus @entity {
  id: ID!
  settingName: String!
  value: BigInt!
  min: BigInt!
  max: BigInt!
  removed: Boolean!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type PlatformSettingsChange @entity {
  id: ID!
  transaction: EthTransaction!
  oldValue: BigInt!
  newValue: BigInt!
  from: Bytes!
  settingName: String!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type LendingPoolPauseStatus @entity {
  id: ID!
  lendingPool: Bytes!
  paused: Boolean!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type LendingPoolPauseChange @entity {
  id: ID!
  transaction: EthTransaction!
  paused: Boolean!
  lendingPool: Bytes!
  from: Bytes!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type SignerStatus @entity {
  id: ID!
  token: String!
  collateralToken: String!
  contract: ConsensusContract!
  account: Bytes!
  removed: Boolean!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type SignerChange @entity {
  id: ID!
  token: String!
  collateralToken: String!
  contract: ConsensusContract!
  transaction: EthTransaction!
  account: Bytes!
  removed: Boolean!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type PauserStatus @entity {
  id: ID!
  account: Bytes!
  active: Boolean!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type PauserChange @entity {
  id: ID!
  transaction: EthTransaction!
  account: Bytes!
  active: Boolean!
  blockNumber: BigInt!
  timestamp: BigInt!
}

type AssetSettingsStatus @entity {
  id: ID!
  tokenAddress: Bytes!
  cTokenAddress: Bytes!
  maxLoanAmount: BigInt!
  removed: Boolean!
  timestamp: BigInt!
  blockNumber: BigInt!
}

type AssetSettingsChange @entity {
  id: ID!
  sender: Bytes!
  tokenAddress: Bytes!
  propertyChanged: String!
  oldValue: String!
  newValue: String!
  timestamp: BigInt!
  blockNumber: BigInt!
}

type BorrowerNoncesChange @entity {
  id: ID!
  token: String!
  collateralToken: String!
  borrower: Bytes!
  nonce: BigInt!
  timestamp: BigInt!
  blockNumber: BigInt!
}

type LenderNoncesChange @entity {
  id: ID!
  token: String!
  collateralToken: String!
  lender: Bytes!
  nonce: BigInt!
  timestamp: BigInt!
  blockNumber: BigInt!
}

####################################################################################
#
# It contains the total values (supply, and lent) per TToken asset.
#
####################################################################################
type TTokenTotalValuesStatus @entity {
  "It is the TToken address."
  id: ID!
  "The TToken address."
  ttoken: Bytes!
  "The current total supply for the given TToken."
  totalSupply: BigInt!
  "The current total lent for the given TToken."
  totalLent: BigInt!
  "The current total repaid amount for the given TToken."
  totalRepaid: BigInt!
  "Blocknumber the total supply was most recently updated."
  blockNumber: BigInt!
  "Timestamp the total supply was most recently updated."
  timestamp: BigInt!
}

####################################################################################
#
# It contains the total values (supply, repaid and lent) per TToken asset for a given block number.
#
####################################################################################
type TTokenTotalValuesChange @entity {
  "It includes transaction hash and event log index."
  id: ID!
  "The ETH transaction where an amount was modified."
  transaction: EthTransaction!
  "The sender address."
  sender: Bytes!
  "The TToken address."
  ttoken: Bytes!
  "The total supply for the given TToken and block number."
  totalSupply: BigInt!
  "The total lent for the given TToken and block number."
  totalLent: BigInt!
  "The total repaid amount for the given TToken and block number."
  totalRepaid: BigInt!
  "Blocknumber when the total values were updated."
  blockNumber: BigInt!
  "Timestamp the total total values were updated."
  timestamp: BigInt!
}

####################################################################################
#
# It contains the current pair aggregators used in the platform.
#
####################################################################################
type PairAggregatorsStatus @entity {
  "It includes the pair (base/quote) address."
  id: ID!
  "This is the base token (ERC20) address."
  baseToken: Bytes!
  "This is the base token (ERC20) symbol."
  baseTokenSymbol: String!
  "This is the quote token (ERC20) address."
  quoteToken: Bytes!
  "This is the quote token (ERC20) symbol."
  quoteTokenSymbol: String!
  "This is the pair aggregator address (proxy address)."
  aggregator: Bytes!
  "The decimals included in the oracle response."
  responseDecimals: BigInt!
  "The decimals included in the collateral token."
  collateralDecimals: BigInt!
  "It defines if this pair aggregator is inverse."
  inverse: Boolean!
  "Blocknumber the pair aggregator (baseToken and quoteToken) was most recently updated."
  blockNumber: BigInt!
  "Timestamp the pair aggregator (baseToken and quoteToken) was most recently updated."
  timestamp: BigInt!
}

####################################################################################
#
# It contains the current pair aggregators used in the platform.
#
####################################################################################
type PairAggregatorsChange @entity {
  "It includes transaction hash and event log index."
  id: ID!
  "The ETH transaction when the pair aggregator was registered."
  transaction: EthTransaction!
  "Address that created this pair aggregator."
  creator: Bytes!
  "This is the base token (ERC20) address."
  baseToken: Bytes!
  "This is the base token (ERC20) symbol."
  baseTokenSymbol: String!
  "This is the quote token (ERC20) address."
  quoteToken: Bytes!
  "This is the quote token (ERC20) symbol."
  quoteTokenSymbol: String!
  "This is the pair aggregator address (proxy address)."
  aggregator: Bytes!
  "The decimals included in the oracle response."
  responseDecimals: BigInt!
  "The decimals included in the collateral token."
  collateralDecimals: BigInt!
  "It defines if this pair aggregator is inverse."
  inverse: Boolean!
  "Blocknumber the pair aggregator (baseToken and quoteToken) was most recently updated."
  blockNumber: BigInt!
  "Timestamp the pair aggregator (baseToken and quoteToken) was most recently updated."
  timestamp: BigInt!
}

####################################################################################
#
# It contains the all the changes for the tToken holder balances (transfer events).
# Each row represents the current holder balance for a given tToken and block number.
#
####################################################################################
type TTokenHolderBalancesChange @entity {
  "TToken address and holder address."
  id: ID!
  "The ETH transaction when transfer event was emitted."
  transaction: EthTransaction!
  "TToken address."
  token: Bytes!
  "TToken name."
  tokenName: String!
  "Current holder balance for the given token and holder."
  balance: BigInt!
  "Amount used in this transaction for the given token and holder. It is a negative value if the sender is the holder, and a positive value if the holder received a transfer."
  amount: BigInt!
  "Holder address."
  holder: Bytes!
  "Blocknumber the holder balance was most recently updated."
  blockNumber: BigInt!
  "Timestamp the holder balance was most recently updated."
  timestamp: BigInt!
}