feat: add supply and borrower count to core pool

package.json

@@ -50,7 +50,6 @@
     "@venusprotocol/governance-contracts": "^1.3.0",
     "@venusprotocol/isolated-pools": "2.1.0-dev.2",
     "@venusprotocol/oracle": "^1.7.3-dev.1",
-    "@venusprotocol/venus-protocol": "3.1.0",
     "assemblyscript": "0.19.23",
     "chai": "^4.3.6",
     "eslint": "^8.25.0",

subgraphs/isolated-pools/schema.graphql

@@ -183,12 +183,12 @@ type AccountVToken @entity {
     "True if user is entered, false if they are exited"
     enteredMarket: Boolean!
 
-    "Total amount of underling redeemed"
-    totalUnderlyingRedeemedMantissa: BigDecimal!
+    "Total amount of underlying redeemed"
+    totalUnderlyingRedeemedMantissa: BigInt!
     "The value of the borrow index upon users last interaction"
     accountBorrowIndexMantissa: BigInt!
     "Total amount underlying repaid"
-    totalUnderlyingRepaidMantissa: BigDecimal!
+    totalUnderlyingRepaidMantissa: BigInt!
 }
 
 """

subgraphs/isolated-pools/src/mappings/vToken.ts

@@ -258,8 +258,6 @@ export function handleTransfer(event: Transfer): void {
       event.logIndex,
       event.params.amount,
       market.exchangeRateMantissa,
-      market.underlyingDecimals,
-      market.vTokenDecimals,
     );
   }
 

subgraphs/isolated-pools/src/operations/getOrCreate.ts

@@ -13,7 +13,7 @@ import {
 } from '../../generated/schema';
 import { Comptroller } from '../../generated/templates/Pool/Comptroller';
 import { RewardsDistributor as RewardDistributorContract } from '../../generated/templates/RewardsDistributor/RewardsDistributor';
-import { zeroBigDecimal, zeroBigInt32 } from '../constants';
+import { zeroBigInt32 } from '../constants';
 import {
   getAccountVTokenId,
   getAccountVTokenTransactionId,
@@ -108,9 +108,9 @@ export const getOrCreateAccountVToken = (
     accountVToken.accountSupplyBalanceMantissa = suppliedAmountMantissa;
     accountVToken.accountBorrowBalanceMantissa = borrowedAmountMantissa;
 
-    accountVToken.totalUnderlyingRedeemedMantissa = zeroBigDecimal;
+    accountVToken.totalUnderlyingRedeemedMantissa = zeroBigInt32;
     accountVToken.accountBorrowIndexMantissa = zeroBigInt32;
-    accountVToken.totalUnderlyingRepaidMantissa = zeroBigDecimal;
+    accountVToken.totalUnderlyingRepaidMantissa = zeroBigInt32;
   }
   return accountVToken;
 };

subgraphs/isolated-pools/src/operations/update.ts

@@ -3,11 +3,7 @@ import { Address, BigInt, Bytes } from '@graphprotocol/graph-ts';
 import { PoolMetadataUpdatedNewMetadataStruct } from '../../generated/PoolRegistry/PoolRegistry';
 import { AccountVToken, Market } from '../../generated/schema';
 import { VToken } from '../../generated/templates/VToken/VToken';
-import {
-  exponentToBigDecimal,
-  getExchangeRateBigDecimal,
-  valueOrNotAvailableIntIfReverted,
-} from '../utilities';
+import { exponentToBigInt, valueOrNotAvailableIntIfReverted } from '../utilities';
 import { getTokenPriceInCents } from '../utilities';
 import { getOrCreateMarket } from './getOrCreate';
 import {
@@ -118,17 +114,8 @@ export const updateAccountVTokenTransferFrom = (
   logIndex: BigInt,
   amount: BigInt,
   exchangeRate: BigInt,
-  underlyingDecimals: i32,
-  vTokenDecimals: i32,
 ): AccountVToken => {
-  const exchangeRateBigDecimal = getExchangeRateBigDecimal(
-    exchangeRate,
-    underlyingDecimals,
-    vTokenDecimals,
-  );
-  const amountUnderlyingMantissa = exchangeRateBigDecimal
-    .times(exponentToBigDecimal(underlyingDecimals))
-    .times(amount.toBigDecimal());
+  const amountUnderlyingMantissa = exchangeRate.div(exponentToBigInt(18)).times(amount);
 
   const accountVToken = updateAccountVToken(
     marketAddress,

subgraphs/isolated-pools/src/utilities/index.ts

@@ -1,4 +1,5 @@
 export { default as getExchangeRateBigDecimal } from './getExchangeRateBigDecimal';
 export { default as getTokenPriceInCents } from './getTokenPriceInCents';
 export { default as exponentToBigDecimal } from './exponentToBigDecimal';
+export { default as exponentToBigInt } from './exponentToBigInt';
 export { default as valueOrNotAvailableIntIfReverted } from './valueOrNotAvailableIntIfReverted';

subgraphs/isolated-pools/tests/VToken/index.test.ts

@@ -661,7 +661,7 @@ describe('VToken', () => {
       'AccountVToken',
       accountVTokenId,
       'totalUnderlyingRedeemedMantissa',
-      '53371670178204461670107500000000000000',
+      '53371549778058610525',
     );
   });
 

subgraphs/venus/package.json

@@ -23,5 +23,9 @@
     "prepare:bsc": "npx mustache config/bsc.json template.yaml > subgraph.yaml && npx mustache config/bsc.json src/constants/config-template > src/constants/config.ts",
     "test": "graph test",
     "test:integration": "true"
+  },
+  "dependencies": {
+    "@venusprotocol/venus-protocol": "3.1.0",
+    "@venusprotocol/venus-protocol-orig-events": "npm:@venusprotocol/[email protected]"
   }
 }

subgraphs/venus/schema.graphql

@@ -24,7 +24,7 @@ type Market @entity {
     "The vToken contract balance of BEP20 or BNB"
     cashMantissa: BigInt!
     "Collateral factor determining how much one can borrow"
-    collateralFactor: BigDecimal!
+    collateralFactorMantissa: BigInt!
     "Exchange rate of tokens / vTokens"
     exchangeRateMantissa:  BigInt!
     "Address of the interest rate model"
@@ -67,6 +67,15 @@ type Market @entity {
     totalXvsDistributedMantissa: BigInt!
     "vToken decimal length"
     vTokenDecimals: Int!
+
+    "Number of accounts currently supplying to this market"
+    supplierCount: BigInt!
+
+    "Number of accounts with reasonable borrow positions in this market (excludes accounts with dust (potentially left over from liquidations))"
+    borrowerCountAdjusted: BigInt!
+
+    "Number of accounts currently borrowing from this market"
+    borrowerCount: BigInt!
 }
 
 """
@@ -84,17 +93,6 @@ type Account @entity {
     countLiquidator: Int!
     "True if user has ever borrowed"
     hasBorrowed: Boolean!
-
-    # The following values are added by the JS Wrapper, and must be calculated with the most up
-    # to date values based on the block delta for market.exchangeRate and market.borrowIndex
-    # They do not need to be in the schema, but they will show up in the explorer playground
-
-    # "If less than 1, the account can be liquidated
-    # health: BigDecimal!
-    # "Total assets supplied by user"
-    # totalBorrowValueInEth: BigDecimal!
-    # "Total assets borrowed from user"
-    # totalCollateralValueInEth: BigDecimal!
 }
 
 """
@@ -118,35 +116,19 @@ type AccountVToken @entity {
     enteredMarket: Boolean!
 
     "VToken balance of the user"
-    vTokenBalance: BigDecimal!
+    vTokenBalanceMantissa: BigInt!
     "Total amount of underlying supplied"
     totalUnderlyingSuppliedMantissa: BigInt!
-    "Total amount of underling redeemed"
+    "Total amount of underlying redeemed"
     totalUnderlyingRedeemedMantissa: BigInt!
     "The value of the borrow index upon users last interaction"
     accountBorrowIndexMantissa: BigInt!
     "Total amount underlying borrowed, exclusive of interest"
-    totalUnderlyingBorrowed: BigDecimal!
+    totalUnderlyingBorrowedMantissa: BigInt!
     "Total amount underlying repaid"
-    totalUnderlyingRepaid: BigDecimal!
+    totalUnderlyingRepaidMantissa: BigInt!
     "Current borrow balance stored in contract (exclusive of interest since accrualBlockNumber)"
-    storedBorrowBalance: BigDecimal!
-
-    # The following values are added by the JS Wrapper, and must be calculated with the most up
-    # to date values based on the block delta for market.exchangeRate and market.borrowIndex
-    # They do not need to be in the schema, but they will show up in the explorer playground
-
-    # supplyBalanceUnderlying: BigDecimal!
-    # FORMULA: supplyBalanceUnderlying = vTokenBalance * market.exchangeRate
-
-    # lifetimeSupplyInterestAccrued: BigDecimal!
-    # FORMULA: lifetimeSupplyInterestAccrued = supplyBalanceUnderlying - totalUnderlyingSupplied + totalUnderlyingRedeemed
-
-    # borrowBalanceUnderlying: BigDecimal!
-    # FORMULA: borrowBalanceUnderlying = storedBorrowBalance * market.borrowIndex / accountBorrowIndex
-
-    # lifetimeBorrowInterestAccrued: BigDecimal!
-    # FORMULA: lifetimeBorrowInterestAccrued = borrowBalanceUnderlying - totalUnderlyingBorrowed + totalUnderlyingRepaid
+    storedBorrowBalanceMantissa: BigInt!
 }
 
 """
@@ -195,7 +177,7 @@ type TransferEvent implements VTokenTransfer @entity {
     "Transaction hash concatenated with log index"
     id: ID!
     "vTokens transferred"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Account that received tokens"
     to: Bytes!
     "Account that sent tokens"
@@ -216,7 +198,7 @@ type MintEvent implements VTokenTransfer @entity {
     "Transaction hash concatenated with log index"
     id: ID!
     "vTokens transferred"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Account that received tokens (minter)"
     to: Bytes!
     "Account that sent tokens (VToken contract)"
@@ -225,10 +207,10 @@ type MintEvent implements VTokenTransfer @entity {
     blockNumber: Int!
     "Block time"
     blockTime: Int!
-    "Symbol of the vToken transferred"
-    vTokenSymbol: String!
+    "Address of the vToken transferred"
+    vTokenAddress: Bytes!
     "Underlying token amount transferred"
-    underlyingAmount: BigDecimal
+    underlyingAmountMantissa: BigInt!
 }
 
 """
@@ -239,7 +221,7 @@ type RedeemEvent implements VTokenTransfer @entity {
     "Transaction hash concatenated with log index"
     id: ID!
     "vTokens transferred"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Account that received tokens (VToken contract)"
     to: Bytes!
     "Account that sent tokens (redeemer)"
@@ -248,10 +230,10 @@ type RedeemEvent implements VTokenTransfer @entity {
     blockNumber: Int!
     "Block time"
     blockTime: Int!
-    "Symbol of the vToken transferred"
-    vTokenSymbol: String!
+    "Address of the vToken transferred"
+    vTokenAddress: Bytes!
     "Underlying token amount transferred"
-    underlyingAmount: BigDecimal
+    underlyingAmountMantissa: BigInt!
 }
 
 """
@@ -262,7 +244,7 @@ type LiquidationEvent implements VTokenTransfer @entity {
     "Transaction hash concatenated with log index"
     id: ID!
     "vTokens seized"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Liquidator receiving tokens"
     to: Bytes!
     "Account being liquidated (borrower)"
@@ -276,7 +258,7 @@ type LiquidationEvent implements VTokenTransfer @entity {
     "Symbol of the underlying asset repaid through liquidation"
     underlyingSymbol: String!
     "Underlying vToken amount that was repaid by liquidator"
-    underlyingRepayAmount: BigDecimal!
+    underlyingRepayAmountMantissa: BigInt!
 }
 
 """
@@ -287,9 +269,9 @@ interface UnderlyingTransfer {
     "Transaction hash concatenated with log index"
     id: ID!
     "Amount of underlying borrowed"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Total borrows of this asset the account has"
-    accountBorrows: BigDecimal!
+    accountBorrowsMantissa: BigInt!
     "Account that borrowed the tokens"
     borrower: Bytes!
     "Block number"
@@ -307,9 +289,9 @@ type BorrowEvent implements UnderlyingTransfer @entity {
     "Transaction hash concatenated with log index"
     id: ID!
     "Amount of underlying borrowed"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Total borrows of this asset the account has"
-    accountBorrows: BigDecimal!
+    accountBorrowsMantissa: BigInt!
     "Account that borrowed the tokens"
     borrower: Bytes!
     "Block number"
@@ -328,9 +310,9 @@ type RepayEvent implements UnderlyingTransfer @entity {
     "Transaction hash concatenated with log index"
     id: ID!
     "Amount of underlying repaid"
-    amount: BigDecimal!
+    amountMantissa: BigInt!
     "Total borrows of this asset the account has"
-    accountBorrows: BigDecimal!
+    accountBorrowsMantissa: BigInt!
     "Account that borrowed the tokens"
     borrower: Bytes!
     "Block number"

subgraphs/venus/src/constants/index.ts

@@ -19,14 +19,16 @@ export const zeroBigDecimal = BigDecimal.fromString('0');
 export const zeroBigInt32 = BigInt.fromString('0');
 export const oneBigInt = BigInt.fromString('1');
 
+export const DUST_THRESHOLD = BigInt.fromString('10');
+
 export const Actions = [
-  MINT,
-  REDEEM,
-  BORROW,
-  REPAY,
-  SEIZE,
-  LIQUIDATE,
-  TRANSFER,
-  ENTER_MARKET,
-  EXIT_MARKET,
+  'MINT',
+  'REDEEM',
+  'BORROW',
+  'REPAY',
+  'SEIZE',
+  'LIQUIDATE',
+  'TRANSFER',
+  'ENTER_MARKET',
+  'EXIT_MARKET',
 ];

subgraphs/venus/src/mappings/comptroller.ts

@@ -14,7 +14,6 @@ import {
 } from '../../generated/Comptroller/Comptroller';
 import { Account, Market } from '../../generated/schema';
 import { VToken } from '../../generated/templates';
-import { mantissaFactorBigDecimal } from '../constants';
 import { createAccount, createMarket } from '../operations/create';
 import { getOrCreateComptroller } from '../operations/getOrCreate';
 import { updateCommonVTokenStats } from '../operations/update';
@@ -110,9 +109,7 @@ export const handleNewCollateralFactor = (event: NewCollateralFactor): void => {
   // sources can source from the contract creation block and not the time the
   // comptroller adds the market, we can avoid this altogether
   if (market != null) {
-    market.collateralFactor = event.params.newCollateralFactorMantissa
-      .toBigDecimal()
-      .div(mantissaFactorBigDecimal);
+    market.collateralFactorMantissa = event.params.newCollateralFactorMantissa;
     market.save();
   }
 };