Remove tracking of pools (#492)

* Removing pool mapping

* Removing pool utils

* Removing pool transaction types

* Removing TokenTransaction from schema

* Removing pool functions from src/mappings/utils/globalUtils.ts

* Removing pool functions from src/mappings/factoryRouter.ts

* Removing pools from the schema

* removing pool events from subgraph.template.yaml

* Fixing TokenAdded in subgraph template

Co-authored-by: mihaisc <mihai@oceanprotocol.com>

schema.graphql

@@ -47,9 +47,6 @@ type Token @entity {
     "dispensers using this token"
     dispensers: [Dispenser!] @derivedFrom(field:"token")
 
-    "pools, only available for datatokens"
-    pools: [Pool!] @derivedFrom(field:"datatoken")
-
     "block time datatoken was created"
     createdTimestamp: Int!        
 
@@ -76,7 +73,7 @@ type Nft @entity{
     id: ID!                                                
     symbol: String!                                       
     name: String!                                          
-    tokenUri: String! 
+    tokenUri: String
   
     "address of the owner of the nft"                                     
     owner: String!     
@@ -115,134 +112,6 @@ type Nft @entity{
     orderCount: BigInt!                                              
 }
 
-type Pool @entity {
-    "pool address"
-    id: ID!    
-
-    "owner address, pool controller"                                   
-    controller: String
-
-    "only finalized pools are relevant to us"                             
-    isFinalized: Boolean!                                   
-    
-    "pool token symbol"
-    symbol: String      
-
-    "pool token name"                                    
-    name: String    
-
-    "maximum supply if any, converted from wei"                                        
-    cap: BigDecimal                                              
-
-    baseToken: Token! 
-    baseTokenLiquidity: BigDecimal!
-    baseTokenWeight: BigDecimal!
-    
-    datatoken: Token!
-    datatokenLiquidity: BigDecimal!
-    datatokenWeight: BigDecimal!
-
-    "publisher market fee value"
-    publishMarketSwapFee: BigDecimal! 
-    "publisher market fee total amount"             
-    publishMarketSwapFeeAmount: BigDecimal   
-
-    "Liquidty provider fee value"             
-    liquidityProviderSwapFee: BigDecimal   
-    "liquidity provider fee total amount"
-    liquidityProviderSwapFeeAmount: BigDecimal!     
-
-    "total pool token shares"                           
-    totalShares: BigDecimal!   
-
-    "total tokens that were swaped"                             
-    totalSwapVolume: [TokenValuePair!]!                         
-
-    spotPrice: BigDecimal!                                  
-
-    "count for when liquidity has been added"
-    joinCount: BigInt!             
-
-    "count for when liquidity has been removed"                     
-    exitCount: BigInt!              
-
-    "count for when tokens were swapped"                             
-    swapCount: BigInt!
-
-    "number of transactions in this pool involving liquidity changes"
-    transactionCount: BigInt!                               
-   
-    "block time when pool was created"
-    createdTimestamp: Int!      
-    "pool creation transaction id"                            
-    tx: String!    
-    "block number when it was created"                                          
-    block: Int                                              
-
-    shares: [PoolShare!] @derivedFrom(field: "pool")
-    transactions: [PoolTransaction!] @derivedFrom(field: "pool")
-
-    "address of the market where the datatoken was created. This address collects market fees."                       
-    publishMarketFeeAddress: String 
-
-   
-
-
-}
-
-# we will need to track pool share tx between users -  bpool transfer tx event
-type PoolShare @entity {
-  "poolAddress + userAddress"
-  id: ID!                                                   
-  user: User!
-  pool: Pool!
-  shares: BigDecimal!
-}
-
- enum PoolTransactionType {
-  JOIN,
-  EXIT,
-  SWAP,
-  SETUP
-}
-
-type PoolTransaction @entity {
-  "tx address + eventIndex" 
-  id: ID!        
-  "pool related to this tx"                                            
-  pool: Pool!   
-  "user that initiates the tx"                                             
-  user: User!                                              
-  type: PoolTransactionType!                                                  
-  
-  "number of shares transfered"
-  sharesTransferAmount: BigDecimal!                           
- 
-  "block time when pool was created"
-  timestamp: Int!      
-  "pool creation transaction id"                            
-  tx: String!    
-  eventIndex: BigInt
-  "block number when it was created"                                          
-  block: Int       
-
-  gasLimit: BigDecimal!  
-  "price expressed in eth"                                    
-  gasPrice: BigDecimal!                                      
-
-  "base tokens transfered"
-  baseToken: Token 
-
-  "number of base tokens transfered, for type SWAP if value is negative it means it was removed"       
-  baseTokenValue: BigDecimal
-
-  "datatokens transfered"                        
-  datatoken: Token
-
-  "number of datatokens transfered, for type SWAP if value is negative it means it was removed"
-  datatokenValue: BigDecimal
-}
-
 type OrderReuse @entity {
   id: ID!
   order: Order!
@@ -253,6 +122,7 @@ type OrderReuse @entity {
   providerFee: String
   providerFeeValidUntil: BigInt
   }
+
 type Order @entity {  
   "transaction hash - token address - from address"                                       
   id: ID!                                                    
@@ -286,25 +156,9 @@ type Order @entity {
   estimatedUSDValue: BigDecimal!
 }
 
-# to be removed, mabye for pool shares only 
-type TokenTransaction @entity {
-  id: ID! # Log ID
-  event: String
-  token: Token
-  user: User
-
-  block: Int!
-  gasUsed: BigDecimal!
-  gasPrice: BigDecimal!
-  createdTimestamp: Int!
-  tx: String!
-}
-
 type User @entity {
   id: ID!
-  sharesOwned: [PoolShare!] @derivedFrom(field: "user")
   tokenBalancesOwned: [TokenValuePair!]
-  poolTransactions: [PoolTransaction!] @derivedFrom(field: "user")
   orders: [Order!] @derivedFrom(field: "payer")
   freSwaps: [FixedRateExchangeSwap!] @derivedFrom(field: "by")
   
@@ -422,28 +276,6 @@ type DispenserTransaction @entity {
   tx: String!
 }
 
-type PoolSnapshot @entity {
-  id: ID!
-  pool: Pool!
-  "total pool shares at the end of the 24h interval"
-  totalShares: BigDecimal!
-  "swap value 24h"
-  swapVolume: BigDecimal!   
-  "swap fee value 24h"                                          
-  swapFees: BigDecimal! 
-  "date without time"                                              
-  date: Int!         
-  "last spot price in the 24h interval"                                 
-  spotPrice: BigDecimal!                                         
-  
-  baseToken: Token!
-  baseTokenLiquidity: BigDecimal!
-
-  datatoken: Token!
-  datatokenLiquidity: BigDecimal! 
-
-}
-
 "utility type"
 type GlobalTotalLiquidityPair @entity {
    "address of the token"
@@ -453,15 +285,6 @@ type GlobalTotalLiquidityPair @entity {
    value : BigDecimal!
 }
 
-"utility type"
-type GlobalTotalPoolSwapPair @entity {
-   "address of the token"
-   id : ID!
-   globalStatistic: GlobalStatistic!
-   token : Token!
-   value : BigDecimal!
-   count: BigInt!
-}
 "utility type"
 type GlobalTotalFixedSwapPair @entity {
    "address of the token"
@@ -474,23 +297,16 @@ type GlobalTotalFixedSwapPair @entity {
 type GlobalStatistic @entity {
     id: ID!     
 
-    "total liquidity for each base token in pools"                  
-    totalLiquidity: [GlobalTotalLiquidityPair!]!   @derivedFrom(field: "globalStatistic")                      
-    "total swap volume for each base token in pools"
-    totalPoolSwapVolume: [GlobalTotalPoolSwapPair!]!  @derivedFrom(field: "globalStatistic")        
-
     "total swap volume for each base token in fixed rate exchanges"
     totalFixedSwapVolume: [GlobalTotalFixedSwapPair!]    @derivedFrom(field: "globalStatistic")                          
      
-    "number of total orders. pool orders + fixed rate exchange orders + dispenser orders"
+    "number of total orders. fixed rate exchange orders + dispenser orders"
     orderCount: Int!                                    
 
     "total nfts(erc721) created"
     nftCount: Int!
     "total datatokens (tokens with isDatatoken = true) created"
     datatokenCount:Int!  
-    "number of pools"
-    poolCount: Int!     
     
     "number of fixed rate exchanges"
     fixedCount: Int!
@@ -524,7 +340,7 @@ type OPC @entity {
 
 type NftUpdate @entity {
   id: ID! # update tx +  nft address
-  tokenUri: String! 
+  tokenUri: String
   nft: Nft!
 
   "provider url that can decrypt the ddo"                                  

src/mappings/dispenser.ts

@@ -17,6 +17,7 @@ import { weiToDecimal } from './utils/generic'
 import { addDispenser } from './utils/globalUtils'
 import { getToken } from './utils/tokenUtils'
 import { getUser } from './utils/userUtils'
+import { BigDecimal } from '@graphprotocol/graph-ts'
 
 export function handleNewDispenser(event: DispenserCreated): void {
   const dispenserID = getDispenserGraphID(
@@ -38,7 +39,7 @@ export function handleNewDispenser(event: DispenserCreated): void {
     token.decimals
   )
   dispenser.active = true
-
+  dispenser.balance = BigDecimal.zero()
   dispenser.allowedSwapper = event.params.allowedSwapper.toHex()
   dispenser.createdTimestamp = event.block.timestamp.toI32()
   dispenser.tx = event.transaction.hash.toHex()

src/mappings/factoryRouter.ts

@@ -1,5 +1,4 @@
 import {
-  NewPool,
   TokenAdded,
   TokenRemoved,
   OPCFeeChanged,
@@ -12,19 +11,11 @@ import {
   DispenserContractRemoved
 } from '../@types/FactoryRouter/FactoryRouter'
 import { BigInt } from '@graphprotocol/graph-ts'
-import { Pool } from '../@types/schema'
+import { FixedRateExchange, Dispenser } from '../@types/templates'
-import { BPool, FixedRateExchange, Dispenser } from '../@types/templates'
+import { getOPC, getTemplates } from './utils/globalUtils'
-import { addPool, getOPC, getTemplates } from './utils/globalUtils'
 import { weiToDecimal } from './utils/generic'
 import { getToken } from './utils/tokenUtils'
 
-export function handleNewPool(event: NewPool): void {
-  BPool.create(event.params.poolAddress)
-  const pool = new Pool(event.params.poolAddress.toHexString())
-  pool.save()
-  addPool()
-}
-
 export function handleOPCFeeChanged(event: OPCFeeChanged): void {
   const opc = getOPC()
   const decimals = BigInt.fromI32(18).toI32()

src/mappings/fixedRateExchange.ts

@@ -1,4 +1,4 @@
-import { BigInt, Address } from '@graphprotocol/graph-ts'
+import { BigInt, Address, BigDecimal, log } from '@graphprotocol/graph-ts'
 import {
   ExchangeActivated,
   ExchangeAllowedSwapperChanged,
@@ -38,7 +38,11 @@ export function handleExchangeCreated(event: ExchangeCreated): void {
   fixedRateExchange.exchangeId = event.params.exchangeId.toHexString()
   fixedRateExchange.datatoken = getToken(event.params.datatoken, true).id
   fixedRateExchange.baseToken = getToken(event.params.baseToken, false).id
-
+  fixedRateExchange.datatokenSupply = BigDecimal.zero()
+  fixedRateExchange.baseTokenSupply = BigDecimal.zero()
+  fixedRateExchange.datatokenBalance = BigDecimal.zero()
+  fixedRateExchange.baseTokenBalance = BigDecimal.zero()
+  fixedRateExchange.totalSwapValue = BigDecimal.zero()
   fixedRateExchange.active = false
   fixedRateExchange.price = weiToDecimal(
     event.params.fixedRate.toBigDecimal(),
@@ -67,7 +71,7 @@ export function handleRateChange(event: ExchangeRateChanged): void {
   newExchangeUpdate.createdTimestamp = event.block.timestamp.toI32()
   newExchangeUpdate.tx = event.transaction.hash.toHex()
   newExchangeUpdate.block = event.block.number.toI32()
-
+  newExchangeUpdate.exchangeId = fixedRateId
   fixedRateExchange.price = weiToDecimal(
     event.params.newRate.toBigDecimal(),
     BigInt.fromI32(18).toI32()
@@ -88,8 +92,6 @@ export function handleMintStateChanged(event: ExchangeMintStateChanged): void {
   fixedRateExchange.save()
 }
 
-// TODO: implement fre updates/history for changes
-
 export function handleActivated(event: ExchangeActivated): void {
   const fixedRateId = getFixedRateGraphID(
     event.params.exchangeId.toHexString(),
@@ -99,6 +101,7 @@ export function handleActivated(event: ExchangeActivated): void {
   const newExchangeUpdate = new FixedRateExchangeUpdate(
     getUpdateOrSwapId(event.transaction.hash.toHex(), fixedRateId)
   )
+  newExchangeUpdate.exchangeId = fixedRateId
   newExchangeUpdate.oldActive = fixedRateExchange.active
   newExchangeUpdate.newActive = true
   newExchangeUpdate.createdTimestamp = event.block.timestamp.toI32()
@@ -123,6 +126,7 @@ export function handleDeactivated(event: ExchangeDeactivated): void {
   newExchangeUpdate.oldActive = fixedRateExchange.active
   newExchangeUpdate.newActive = false
 
+  newExchangeUpdate.exchangeId = fixedRateId
   newExchangeUpdate.createdTimestamp = event.block.timestamp.toI32()
   newExchangeUpdate.tx = event.transaction.hash.toHex()
   newExchangeUpdate.block = event.block.number.toI32()
@@ -178,6 +182,7 @@ export function handleSwap(event: Swapped): void {
     Address.fromString(fixedRateExchange.baseToken),
     false
   )
+
   swap.baseTokenAmount = weiToDecimal(
     event.params.baseTokenSwappedAmount.toBigDecimal(),
     BigInt.fromI32(baseToken.decimals).toI32()
@@ -188,18 +193,17 @@ export function handleSwap(event: Swapped): void {
   )
 
   swap.save()
+
   updateFixedRateExchangeSupply(event.params.exchangeId, event.address)
-  if (event.params.tokenOutAddress.toHexString() == fixedRateExchange.datatoken)
+  log.error('start addFixedSwap', [])
+
+  if (event.params.tokenOutAddress.toHexString() == fixedRateExchange.baseToken)
     addFixedSwap(
       event.params.tokenOutAddress.toHexString(),
       swap.dataTokenAmount
     )
-  else
+  else addFixedSwap(fixedRateExchange.baseToken, swap.baseTokenAmount)
-    addFixedSwap(
+  log.error('addFixedSwap saved', [])
-      event.params.tokenOutAddress.toHexString(),
-      swap.baseTokenAmount
-    )
-
   // update datatoken lastPriceToken and lastPriceValue
   const datatoken = getToken(
     Address.fromString(fixedRateExchange.datatoken),

src/mappings/pool.ts

@@ -1,363 +0,0 @@
-import { BigInt, Address } from '@graphprotocol/graph-ts'
-import {
-  LOG_EXIT,
-  LOG_JOIN,
-  LOG_SETUP,
-  LOG_SWAP,
-  PublishMarketFeeChanged,
-  SwapFeeChanged
-} from '../@types/templates/BPool/BPool'
-import { Transfer } from '../@types/templates/BPool/BToken'
-import {
-  decimal,
-  integer,
-  PoolTransactionType,
-  ZERO_ADDRESS
-} from './utils/constants'
-import { weiToDecimal } from './utils/generic'
-import { addLiquidity, addPoolSwap, removeLiquidity } from './utils/globalUtils'
-import {
-  calcSpotPrice,
-  getPool,
-  getPoolTransaction,
-  getPoolShare,
-  getPoolSnapshot,
-  getPoolLpSwapFee,
-  getPoolPublisherMarketFee
-} from './utils/poolUtils'
-import { getToken } from './utils/tokenUtils'
-import { getUser } from './utils/userUtils'
-
-// kinda redundant code in join/swap/exit
-export function handleJoin(event: LOG_JOIN): void {
-  const pool = getPool(event.address.toHex())
-  const user = getUser(event.params.caller.toHex())
-  const poolTx = getPoolTransaction(
-    event,
-    user.id,
-    PoolTransactionType.JOIN,
-    event.logIndex
-  )
-
-  pool.transactionCount = pool.transactionCount.plus(integer.ONE)
-  pool.joinCount = pool.joinCount.plus(integer.ONE)
-
-  // get token,  update pool transaction, poolSnapshot
-
-  const token = getToken(event.params.tokenIn, false)
-  const ammount = weiToDecimal(
-    event.params.tokenAmountIn.toBigDecimal(),
-    token.decimals
-  )
-  if (token.isDatatoken) {
-    poolTx.datatoken = token.id
-    poolTx.datatokenValue = ammount
-
-    pool.datatokenLiquidity = pool.datatokenLiquidity.plus(ammount)
-  } else {
-    poolTx.baseToken = token.id
-    poolTx.baseTokenValue = ammount
-    pool.baseTokenLiquidity = pool.baseTokenLiquidity.plus(ammount)
-
-    addLiquidity(token.id, ammount)
-  }
-
-  poolTx.save()
-  pool.save()
-
-  if (pool.isFinalized) {
-    const poolSnapshot = getPoolSnapshot(pool.id, event.block.timestamp.toI32())
-    poolSnapshot.baseTokenLiquidity = pool.baseTokenLiquidity
-    poolSnapshot.datatokenLiquidity = pool.datatokenLiquidity
-    poolSnapshot.totalShares = pool.totalShares
-    poolSnapshot.save()
-  }
-}
-
-export function handleExit(event: LOG_EXIT): void {
-  const pool = getPool(event.address.toHex())
-  const user = getUser(event.params.caller.toHex())
-  const poolTx = getPoolTransaction(
-    event,
-    user.id,
-    PoolTransactionType.EXIT,
-    event.logIndex
-  )
-
-  pool.transactionCount = pool.transactionCount.plus(integer.ONE)
-  pool.joinCount = pool.joinCount.plus(integer.ONE)
-
-  // get token and update pool transaction, value is negative because this is an exit event.
-  const token = getToken(event.params.tokenOut, false)
-  const poolSnapshot = getPoolSnapshot(pool.id, event.block.timestamp.toI32())
-  const ammount = weiToDecimal(
-    event.params.tokenAmountOut.toBigDecimal(),
-    token.decimals
-  )
-  if (token.isDatatoken) {
-    poolTx.datatoken = token.id
-    poolTx.datatokenValue = ammount
-
-    pool.datatokenLiquidity = pool.datatokenLiquidity.minus(ammount)
-  } else {
-    poolTx.baseToken = token.id
-    poolTx.baseTokenValue = ammount
-
-    pool.baseTokenLiquidity = pool.baseTokenLiquidity.minus(ammount)
-    removeLiquidity(token.id, ammount)
-  }
-
-  poolSnapshot.baseTokenLiquidity = pool.baseTokenLiquidity
-  poolSnapshot.datatokenLiquidity = pool.datatokenLiquidity
-  poolSnapshot.totalShares = pool.totalShares
-
-  poolSnapshot.save()
-  poolTx.save()
-  pool.save()
-}
-
-export function handleSwap(event: LOG_SWAP): void {
-  const pool = getPool(event.address.toHex())
-  const user = getUser(event.params.caller.toHex())
-  const poolTx = getPoolTransaction(
-    event,
-    user.id,
-    PoolTransactionType.SWAP,
-    event.logIndex
-  )
-
-  pool.transactionCount = pool.transactionCount.plus(integer.ONE)
-  pool.joinCount = pool.joinCount.plus(integer.ONE)
-
-  const poolSnapshot = getPoolSnapshot(pool.id, event.block.timestamp.toI32())
-  const tokenOut = getToken(event.params.tokenOut, false)
-  const tokenIn = getToken(event.params.tokenIn, false)
-  let spotPrice = decimal.ZERO
-
-  const ammountOut = weiToDecimal(
-    event.params.tokenAmountOut.toBigDecimal(),
-    tokenOut.decimals
-  )
-  const tokenOutNewBalance = weiToDecimal(
-    event.params.outBalance.toBigDecimal(),
-    tokenOut.decimals
-  )
-  const tokenInNewBalance = weiToDecimal(
-    event.params.inBalance.toBigDecimal(),
-    tokenIn.decimals
-  )
-
-  if (tokenOut.isDatatoken) {
-    poolTx.datatoken = tokenOut.id
-    poolTx.datatokenValue = ammountOut.neg()
-
-    pool.datatokenLiquidity = tokenOutNewBalance
-  } else {
-    poolTx.baseToken = tokenOut.id
-    poolTx.baseTokenValue = ammountOut.neg()
-
-    spotPrice = decimal.ONE.div(
-      weiToDecimal(event.params.newSpotPrice.toBigDecimal(), tokenOut.decimals)
-    )
-    pool.baseTokenLiquidity = tokenOutNewBalance
-    poolSnapshot.swapVolume = poolSnapshot.swapVolume.plus(ammountOut)
-
-    addPoolSwap(tokenOut.id, ammountOut)
-    removeLiquidity(tokenOut.id, ammountOut)
-  }
-
-  // update pool token in
-  const ammountIn = weiToDecimal(
-    event.params.tokenAmountIn.toBigDecimal(),
-    tokenIn.decimals
-  )
-  if (tokenIn.isDatatoken) {
-    poolTx.datatoken = tokenIn.id
-    poolTx.datatokenValue = ammountIn
-
-    pool.datatokenLiquidity = tokenInNewBalance
-  } else {
-    poolTx.baseToken = tokenIn.id
-    poolTx.baseTokenValue = ammountIn
-
-    spotPrice = weiToDecimal(
-      event.params.newSpotPrice.toBigDecimal(),
-      tokenOut.decimals
-    )
-    pool.baseTokenLiquidity = tokenInNewBalance
-    poolSnapshot.swapVolume = poolSnapshot.swapVolume.plus(ammountIn)
-    addLiquidity(tokenIn.id, ammountIn)
-    addPoolSwap(tokenIn.id, ammountIn)
-  }
-
-  // update spot price
-  pool.spotPrice = spotPrice
-  poolSnapshot.spotPrice = spotPrice
-  poolSnapshot.baseTokenLiquidity = pool.baseTokenLiquidity
-  poolSnapshot.datatokenLiquidity = pool.datatokenLiquidity
-  poolSnapshot.totalShares = pool.totalShares
-
-  poolSnapshot.save()
-  poolTx.save()
-  pool.save()
-
-  // update datatoken lastPriceToken and lastPriceValue
-  const datatoken = getToken(Address.fromString(pool.datatoken), true)
-  datatoken.lastPriceToken = pool.baseToken
-  datatoken.lastPriceValue = spotPrice
-  datatoken.save()
-}
-
-// setup is just to set token weight(it will mostly be 50:50) and spotPrice
-export function handleSetup(event: LOG_SETUP): void {
-  const pool = getPool(event.address.toHex())
-
-  pool.controller = event.params.caller.toHexString()
-  const token = getToken(event.params.baseToken, false)
-  pool.baseToken = token.id
-  pool.baseTokenWeight = weiToDecimal(
-    event.params.baseTokenWeight.toBigDecimal(),
-    18
-  )
-
-  // decimals hardcoded because datatokens have 18 decimals
-  const datatoken = getToken(event.params.datatoken, true)
-  pool.datatoken = datatoken.id
-  pool.datatokenWeight = weiToDecimal(
-    event.params.datatokenWeight.toBigDecimal(),
-    18
-  )
-
-  // calculate spotPrice
-  const spotPrice = calcSpotPrice(
-    pool.id,
-    pool.baseToken,
-    pool.datatoken,
-    token.decimals
-  )
-  pool.spotPrice = spotPrice
-  pool.isFinalized = true
-  // TODO: proper tx , add baseToken, datatoken
-  const fromUser = getUser(event.transaction.from.toHexString())
-  const poolTx = getPoolTransaction(
-    event,
-    fromUser.id,
-    PoolTransactionType.SETUP,
-    event.logIndex
-  )
-  poolTx.type = PoolTransactionType.SETUP
-  poolTx.baseToken = token.id
-  poolTx.baseTokenValue = weiToDecimal(
-    event.params.baseTokenAmountIn.toBigDecimal(),
-    token.decimals
-  )
-  pool.save()
-  poolTx.save()
-
-  const lpFee = getPoolLpSwapFee(event.address)
-  pool.liquidityProviderSwapFee = lpFee
-  const publisherMarketFee = getPoolPublisherMarketFee(event.address)
-  pool.publishMarketSwapFee = publisherMarketFee
-
-  pool.save()
-  const poolSnapshot = getPoolSnapshot(pool.id, event.block.timestamp.toI32())
-  poolSnapshot.spotPrice = spotPrice
-  poolSnapshot.baseTokenLiquidity = pool.baseTokenLiquidity
-  poolSnapshot.datatokenLiquidity = pool.datatokenLiquidity
-  poolSnapshot.totalShares = pool.totalShares
-
-  poolSnapshot.save()
-  datatoken.save()
-}
-
-export function handlerBptTransfer(event: Transfer): void {
-  const fromAddress = event.params.src.toHexString()
-  const toAddress = event.params.dst.toHexString()
-  const poolAddress = event.address.toHex()
-  const caller = getUser(event.transaction.from.toHex())
-  const poolTx = getPoolTransaction(
-    event,
-    caller.id,
-    PoolTransactionType.SWAP,
-    event.logIndex
-  )
-
-  // btoken has 18 decimals
-  const ammount = weiToDecimal(event.params.amt.toBigDecimal(), 18)
-
-  if (fromAddress != ZERO_ADDRESS && toAddress != ZERO_ADDRESS) {
-    poolTx.sharesTransferAmount = poolTx.sharesTransferAmount.plus(ammount)
-  }
-
-  if (fromAddress == ZERO_ADDRESS) {
-    // add total
-    const pool = getPool(poolAddress)
-    pool.totalShares = pool.totalShares.plus(ammount)
-
-    // check tx?
-    if (pool.isFinalized) {
-      const poolSnapshot = getPoolSnapshot(
-        poolAddress,
-        event.block.timestamp.toI32()
-      )
-      poolSnapshot.totalShares = pool.totalShares
-      poolSnapshot.save()
-    }
-
-    pool.save()
-  } else {
-    if (poolAddress != fromAddress) {
-      const fromUser = getPoolShare(poolAddress, fromAddress)
-      fromUser.shares = fromUser.shares.minus(ammount)
-      fromUser.save()
-    }
-  }
-
-  if (toAddress == ZERO_ADDRESS) {
-    // remove
-    const pool = getPool(poolAddress)
-    pool.totalShares = pool.totalShares.minus(ammount)
-    if (pool.isFinalized) {
-      const poolSnapshot = getPoolSnapshot(
-        poolAddress,
-        event.block.timestamp.toI32()
-      )
-      poolSnapshot.totalShares = pool.totalShares
-      poolSnapshot.save()
-    }
-    pool.save()
-  } else {
-    if (poolAddress != toAddress) {
-      const toUser = getPoolShare(poolAddress, toAddress)
-      toUser.shares = toUser.shares.plus(ammount)
-      toUser.save()
-    }
-  }
-
-  poolTx.save()
-}
-
-export function handlePublishMarketFeeChanged(
-  event: PublishMarketFeeChanged
-): void {
-  const pool = getPool(event.address.toHex())
-  if (pool) {
-    pool.publishMarketFeeAddress = event.params.newMarketCollector.toHexString()
-    pool.publishMarketSwapFee = weiToDecimal(
-      event.params.swapFee.toBigDecimal(),
-      BigInt.fromI32(18).toI32()
-    )
-    pool.save()
-  }
-}
-
-export function handleSwapFeeChanged(event: SwapFeeChanged): void {
-  const pool = getPool(event.address.toHex())
-  if (pool) {
-    pool.liquidityProviderSwapFee = weiToDecimal(
-      event.params.amount.toBigDecimal(),
-      BigInt.fromI32(18).toI32()
-    )
-    pool.save()
-  }
-}

src/mappings/utils/constants.ts

@@ -21,12 +21,6 @@ export namespace decimal {
 }
 
 // string enums don't work in wasm so this was the alternative, not optimal
-export namespace PoolTransactionType {
-  export const JOIN = 'JOIN'
-  export const EXIT = 'EXIT'
-  export const SWAP = 'SWAP'
-  export const SETUP = 'SETUP'
-}
 
 export namespace NftUpdateType {
   export const METADATA_CREATED = 'METADATA_CREATED'

src/mappings/utils/globalUtils.ts

@@ -3,7 +3,6 @@ import {
   GlobalStatistic,
   GlobalTotalFixedSwapPair,
   GlobalTotalLiquidityPair,
-  GlobalTotalPoolSwapPair,
   OPC,
   Template
 } from '../../@types/schema'
@@ -18,7 +17,6 @@ export function getGlobalStats(): GlobalStatistic {
     globalStats.orderCount = 0
     globalStats.fixedCount = 0
     globalStats.datatokenCount = 0
-    globalStats.poolCount = 0
     globalStats.dispenserCount = 0
     globalStats.nftCount = 0
     globalStats.save()
@@ -74,31 +72,14 @@ export function addDispenser(): void {
   globalStats.save()
 }
 
-export function addPool(): void {
-  const globalStats = getGlobalStats()
-  globalStats.poolCount = globalStats.poolCount + 1
-  globalStats.save()
-}
-
-export function addPoolSwap(tokenAddress: string, value: BigDecimal): void {
-  let poolSwapPair = GlobalTotalPoolSwapPair.load(tokenAddress)
-  if (!poolSwapPair) {
-    poolSwapPair = new GlobalTotalPoolSwapPair(tokenAddress)
-    poolSwapPair.globalStatistic = GLOBAL_ID
-    poolSwapPair.token = tokenAddress
-  }
-  poolSwapPair.value = poolSwapPair.value.plus(value)
-  poolSwapPair.count = poolSwapPair.count.plus(BigInt.fromI32(1))
-
-  poolSwapPair.save()
-}
-
 export function addFixedSwap(tokenAddress: string, value: BigDecimal): void {
   let fixedSwapPair = GlobalTotalFixedSwapPair.load(tokenAddress)
   if (!fixedSwapPair) {
     fixedSwapPair = new GlobalTotalFixedSwapPair(tokenAddress)
     fixedSwapPair.globalStatistic = GLOBAL_ID
     fixedSwapPair.token = tokenAddress
+    fixedSwapPair.value = BigDecimal.zero()
+    fixedSwapPair.count = BigInt.zero()
   }
   fixedSwapPair.value = fixedSwapPair.value.plus(value)
   fixedSwapPair.count = fixedSwapPair.count.plus(BigInt.fromI32(1))

src/mappings/utils/poolUtils.ts

@@ -1,167 +0,0 @@
-import { Address, BigDecimal, BigInt, ethereum } from '@graphprotocol/graph-ts'
-import {
-  Pool,
-  PoolShare,
-  PoolSnapshot,
-  PoolTransaction
-} from '../../@types/schema'
-import { BPool } from '../../@types/templates/BPool/BPool'
-import { DAY, decimal, integer } from './constants'
-import { gweiToEth, weiToDecimal } from './generic'
-import { getUser } from './userUtils'
-
-export function getPoolShareId(
-  poolAddress: string,
-  userAddress: string
-): string {
-  return `${poolAddress}-${userAddress}`
-}
-
-export function getPoolTransactionId(
-  txHash: string,
-  eventIndex: BigInt
-): string {
-  return `${txHash}-` + eventIndex.toString()
-}
-
-export function getPoolTransaction(
-  event: ethereum.Event,
-  userAddress: string,
-  type: string,
-  eventIndex: BigInt
-): PoolTransaction {
-  const txId = getPoolTransactionId(
-    event.transaction.hash.toHexString(),
-    eventIndex
-  )
-  let poolTx = PoolTransaction.load(txId)
-
-  // create pool transaction and fill basic fields
-  if (poolTx === null) {
-    poolTx = new PoolTransaction(txId)
-
-    poolTx.user = userAddress
-    poolTx.pool = event.address.toHex()
-    poolTx.type = type
-
-    poolTx.timestamp = event.block.timestamp.toI32()
-    poolTx.tx = event.transaction.hash.toHex()
-    poolTx.eventIndex = eventIndex
-    poolTx.block = event.block.number.toI32()
-
-    poolTx.gasPrice = gweiToEth(event.transaction.gasPrice.toBigDecimal())
-    poolTx.gasLimit = event.transaction.gasLimit.toBigDecimal()
-  }
-
-  return poolTx
-}
-
-export function getPoolShare(
-  poolAddress: string,
-  userAddress: string
-): PoolShare {
-  let poolShare = PoolShare.load(getPoolShareId(poolAddress, userAddress))
-  if (poolShare === null) {
-    poolShare = new PoolShare(getPoolShareId(poolAddress, userAddress))
-    poolShare.user = getUser(userAddress).id
-    poolShare.pool = poolAddress
-    poolShare.save()
-  }
-  return poolShare
-}
-
-export function getPool(poolAddress: string): Pool {
-  const pool = Pool.load(poolAddress)
-  if (pool === null) {
-    // what now?
-    throw new Error(`Didn't find pool with address ${poolAddress} `)
-  }
-  return pool
-}
-
-export function calcSpotPrice(
-  poolAddress: string,
-  baseTokenAddress: string,
-  datatokenAddress: string,
-  baseTokenDecimals: i32
-): BigDecimal {
-  const poolContract = BPool.bind(Address.fromString(poolAddress))
-  // tokenIn is always the baseToken and tokenOut is the datatoken because we want the spot price to be in baseToken eg: 1 DT = 0.5 OCEAN
-  const weiPrice = poolContract.try_getSpotPrice(
-    Address.fromString(baseTokenAddress),
-    Address.fromString(datatokenAddress),
-    integer.ZERO
-  ).value
-  const price = weiToDecimal(weiPrice.toBigDecimal(), baseTokenDecimals)
-
-  return price
-}
-
-export function getDateFromTimestamp(timestamp: i32): i32 {
-  // date without time
-  return timestamp - (timestamp % DAY)
-}
-export function getPoolSnapshotId(poolAddress: string, timestamp: i32): string {
-  return `${poolAddress}-${getDateFromTimestamp(timestamp)}`
-}
-
-export function createPoolSnapshot(
-  poolAddress: string,
-  timestamp: i32
-): PoolSnapshot {
-  const snapshotId = getPoolSnapshotId(poolAddress, timestamp)
-
-  const pool = getPool(poolAddress)
-  const snapshot = new PoolSnapshot(snapshotId)
-
-  snapshot.pool = poolAddress
-
-  snapshot.totalShares = pool.totalShares
-  snapshot.swapVolume = decimal.ZERO
-  snapshot.swapFees = decimal.ZERO
-  snapshot.baseToken = pool.baseToken
-  snapshot.datatoken = pool.datatoken
-  snapshot.datatokenLiquidity = decimal.ZERO
-
-  snapshot.date = getDateFromTimestamp(timestamp)
-  snapshot.spotPrice = pool.spotPrice
-
-  snapshot.save()
-  return snapshot
-}
-
-export function getPoolSnapshot(
-  poolAddress: string,
-  timestamp: i32
-): PoolSnapshot {
-  let snapshot = PoolSnapshot.load(getPoolSnapshotId(poolAddress, timestamp))
-  if (snapshot === null) {
-    snapshot = createPoolSnapshot(poolAddress, timestamp)
-  }
-
-  return snapshot
-}
-
-export function getPoolLpSwapFee(poolAddress: Address): BigDecimal {
-  const contract = BPool.bind(poolAddress)
-  const lpFeeWei = contract.getSwapFee()
-  const lpFee = weiToDecimal(lpFeeWei.toBigDecimal(), 18)
-  return lpFee
-}
-export function getPoolPublisherMarketFee(poolAddress: Address): BigDecimal {
-  const contract = BPool.bind(poolAddress)
-  const marketFeeWei = contract.getMarketFee()
-  const marketFee = weiToDecimal(marketFeeWei.toBigDecimal(), 18)
-  return marketFee
-}
-
-export function getBalance(
-  poolAddress: Address,
-  tokenAddress: Address,
-  tokenDecimals: i32
-): BigDecimal {
-  const contract = BPool.bind(poolAddress)
-  const balanceWei = contract.getBalance(tokenAddress)
-  const balance = weiToDecimal(balanceWei.toBigDecimal(), tokenDecimals)
-  return balance
-}

subgraph.template.yaml

@@ -49,8 +49,6 @@ dataSources:
         - name: ERC20
           file: ./abis/ERC20.json
       eventHandlers:
-        - event: NewPool(indexed address,bool)
-          handler: handleNewPool
         - event: TokenAdded(indexed address,indexed address)
           handler: handleTokenAdded
         - event: TokenRemoved(indexed address,indexed address)
@@ -116,43 +114,6 @@ templates:
         - event: ProviderFee(indexed address,indexed address,uint256,bytes,uint8,bytes32,bytes32,uint256)
           handler: handleProviderFee
 
-  - name: BPool
-    kind: ethereum/contract
-    network: __NETWORK__
-    source:
-      abi: BPool
-    mapping:
-      kind: ethereum/events
-      apiVersion: 0.0.6
-      language: wasm/assemblyscript
-      file: ./src/mappings/pool.ts
-      entities:
-        - BPool
-      abis:
-        - name: BPool
-          file: ./node_modules/@oceanprotocol/contracts/artifacts/contracts/pools/balancer/BPool.sol/BPool.json
-        - name: BToken
-          file: ./node_modules/@oceanprotocol/contracts/artifacts/contracts/pools/balancer/BToken.sol/BToken.json
-        - name: BMath
-          file: ./node_modules/@oceanprotocol/contracts/artifacts/contracts/pools/balancer/BMath.sol/BMath.json
-        - name: ERC20
-          file: ./abis/ERC20.json
-      eventHandlers:
-        - event: LOG_SWAP(indexed address,indexed address,indexed address,uint256,uint256,uint256,uint256,uint256,uint256)
-          handler: handleSwap
-        - event: LOG_JOIN(indexed address,indexed address,uint256,uint256)
-          handler: handleJoin
-        - event: LOG_EXIT(indexed address,indexed address,uint256,uint256)
-          handler: handleExit
-        - event: LOG_SETUP(indexed address,indexed address,uint256,uint256,indexed address,uint256,uint256)
-          handler: handleSetup
-        - event: Transfer(indexed address,indexed address,uint256)
-          handler: handlerBptTransfer
-        - event: PublishMarketFeeChanged(address,address,uint256)
-          handler: handlePublishMarketFeeChanged
-        - event: SwapFeeChanged(address,uint256)
-          handler: handleSwapFeeChanged
-
   - name: ERC721Template
     kind: ethereum/contract
     network: __NETWORK__