mostly pool stuff

abis/BFactory.json

@@ -321,8 +321,8 @@
       "type": "function"
     }
   ],
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-    "deployedBytecode": "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",
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   "linkReferences": {},
   "deployedLinkReferences": {}
 }

abis/BMath.json

@@ -0,0 +1,314 @@
+{
+    "_format": "hh-sol-artifact-1",
+    "contractName": "BMath",
+    "sourceName": "contracts/pools/balancer/BMath.sol",
+    "abi": [
+      {
+        "anonymous": false,
+        "inputs": [
+          {
+            "indexed": false,
+            "internalType": "uint256",
+            "name": "swapFeeAmount",
+            "type": "uint256"
+          },
+          {
+            "indexed": false,
+            "internalType": "uint256",
+            "name": "oceanFeeAmount",
+            "type": "uint256"
+          },
+          {
+            "indexed": false,
+            "internalType": "uint256",
+            "name": "marketFeeAmount",
+            "type": "uint256"
+          },
+          {
+            "indexed": false,
+            "internalType": "address",
+            "name": "tokenFees",
+            "type": "address"
+          }
+        ],
+        "name": "SWAP_FEES",
+        "type": "event"
+      },
+      {
+        "inputs": [],
+        "name": "BONE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "BPOW_PRECISION",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "EXIT_FEE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "INIT_POOL_SUPPLY",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_BOUND_TOKENS",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_BPOW_BASE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_FEE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_IN_RATIO",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_OUT_RATIO",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_TOTAL_WEIGHT",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MAX_WEIGHT",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MIN_BALANCE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MIN_BOUND_TOKENS",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MIN_BPOW_BASE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MIN_FEE",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "MIN_WEIGHT",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "_swapMarketFee",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "",
+            "type": "address"
+          }
+        ],
+        "name": "communityFees",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [],
+        "name": "getOPFFee",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      },
+      {
+        "inputs": [
+          {
+            "internalType": "address",
+            "name": "",
+            "type": "address"
+          }
+        ],
+        "name": "marketFees",
+        "outputs": [
+          {
+            "internalType": "uint256",
+            "name": "",
+            "type": "uint256"
+          }
+        ],
+        "stateMutability": "view",
+        "type": "function"
+      }
+    ],
+    "bytecode": "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",
+    "deployedBytecode": "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",
+    "linkReferences": {},
+    "deployedLinkReferences": {}
+  }

schema.graphql

@@ -1,5 +1,4 @@
 type Token @entity {
-
     id: ID!                                               
     symbol: String                                      
     name: String                                          
@@ -82,8 +81,6 @@ type Pool @entity {
     id: ID!              
     "owner address, pool controller"                                   
     owner: String!
-    "if swap/trade is activated, probably always true"                                         
-    isPublicSwap: Boolean!     
     "only finalized pools are relevant to us"                             
     isFinalized: Boolean!                                   
     
@@ -93,8 +90,6 @@ type Pool @entity {
     name: String    
     "maximum supply if any, converted from wei"                                        
     cap: BigDecimal                                              
-    "pool is active"                            
-    isActive: Boolean!                                      
 
     baseToken: PoolToken! 
     datatoken: PoolToken!
@@ -140,7 +135,7 @@ type Pool @entity {
     "block number when it was created"                                          
     block: Int                                              
 
-    shares: [PoolShare!] @derivedFrom(field: "pool")
+    shares: [PoolShares!] @derivedFrom(field: "pool")
     transactions: [PoolTransaction!] @derivedFrom(field: "pool")
 }
 
@@ -157,12 +152,12 @@ type PoolToken @entity {
 }
 
 # we will need to track pool share tx between users -  bpool transfer tx event
-type PoolShare @entity {
+type PoolShares @entity {
   "poolAddress + userAddress"
   id: ID!                                                   
   user: User!
   pool: Pool!
-  balance: BigDecimal!
+  shares: BigDecimal!
 }
 
  enum PoolTransactionType {
@@ -200,11 +195,14 @@ type PoolTransaction @entity {
   "price expressed in eth"                                    
   gasPrice: BigDecimal!                                      
 
-  # change to baseToken and dataToken
+  "base tokens transfered"
-  "base tokens transfered , if value is negative it means it was removed"
   baseToken: TokenValuePair 
+  "number of tokens transfered"       
+  baseTokenValue: BigDecimal
   "datatokens transfered , if value is negative it means it was removed"                        
   datatoken: TokenValuePair
+  "number of tokens transfered, if value is negative it means it was removed"
+  datatokenValue: BigDecimal
 }
 
 type Order @entity {                                         # renamed from TokenOrder to Order
@@ -247,7 +245,7 @@ type TokenTransaction @entity {
 
 type User @entity {
   id: ID!
-  sharesOwned: [PoolShare!] @derivedFrom(field: "user")
+  sharesOwned: [PoolShares!] @derivedFrom(field: "user")
   tokenBalancesOwned: [TokenValuePair!]
   tokensOwned: [Token!] @derivedFrom(field: "minter")
   poolTransactions: [PoolTransaction!] @derivedFrom(field: "user")
@@ -363,7 +361,7 @@ type PoolSnapshotTokenValue @entity {
   poolSnapshot: PoolSnapshot! 
 }
 
-type Global @entity {
+type GlobalStats @entity {
     id: ID!
 
     "total value locked represented in the base token , basically 2x liqudity for each base token"

src/mappings/dispenser.ts

@@ -60,6 +60,6 @@ export function handleTokensDispensed(event: TokensDispensed): void {
 
 export function handleOwnerWinthdraw(event: OwnerWithdrawed): void {
   const dispenser = getDispenser(event.params.datatoken.toHex())
-  dispenser.balance = decimal.ZERO_BD
+  dispenser.balance = decimal.ZERO
   dispenser.save()
 }

src/mappings/erc721Factory.ts

@@ -9,7 +9,7 @@ export function handleNftCreated(event: NFTCreated): void {
   const user = getUser(event.params.admin.toHexString())
   nft.owner = user.id
   nft.address = event.params.newTokenAddress.toHexString()
-  nft.name = event.params.tokenName.toHex()
+  nft.name = event.params.tokenName
   nft.symbol = ''
   nft.createdTimestamp = event.block.timestamp.toI32()
   nft.tx = event.transaction.hash
@@ -26,8 +26,8 @@ export function handleNewToken(event: TokenCreated): void {
   token.tx = event.transaction.hash
   token.block = event.block.number.toI32()
 
-  token.name = event.params.tokenName.toString()
+  token.name = event.params.name
   token.decimals = 18
-  token.supply = decimal.ZERO_BD
+  token.supply = decimal.ZERO
   token.save()
 }

src/mappings/fixedRateExchange.ts

@@ -14,7 +14,7 @@ import {
   FixedRateExchangeUpdate
 } from '../@types/schema'
 import { getFixedRateExchange, getUpdateOrSwapId } from './utils/fixedRateUtils'
-import { tokenToDecimal } from './utils/generic'
+import { weiToDecimal } from './utils/generic'
 import { getToken } from './utils/tokenUtils'
 import { getUser } from './utils/userUtils'
 
@@ -29,7 +29,7 @@ export function handleExchangeCreated(event: ExchangeCreated): void {
   // fixedRateExchange.baseTokenSymbol = getTokenSymbol(event.params.baseToken)
   fixedRateExchange.active = false
 
-  fixedRateExchange.price = tokenToDecimal(
+  fixedRateExchange.price = weiToDecimal(
     event.params.fixedRate.toBigDecimal(),
     BigInt.fromI32(18).toI32()
   )
@@ -51,7 +51,7 @@ export function handleRateChange(event: ExchangeRateChanged): void {
   newExchangeUpdate.tx = event.transaction.hash
   newExchangeUpdate.block = event.block.number.toI32()
 
-  fixedRateExchange.price = tokenToDecimal(
+  fixedRateExchange.price = weiToDecimal(
     event.params.newRate.toBigDecimal(),
     BigInt.fromI32(18).toI32()
   )
@@ -166,11 +166,11 @@ export function handleSwap(event: Swapped): void {
 
   // we need to fetch the decimals of the base token
   const baseToken = getToken(fixedRateExchange.baseToken)
-  swap.baseTokenAmount = tokenToDecimal(
+  swap.baseTokenAmount = weiToDecimal(
     event.params.baseTokenSwappedAmount.toBigDecimal(),
     BigInt.fromI32(baseToken.decimals).toI32()
   )
-  swap.dataTokenAmount = tokenToDecimal(
+  swap.dataTokenAmount = weiToDecimal(
     event.params.dataTokenSwappedAmount.toBigDecimal(),
     BigInt.fromI32(18).toI32()
   )

src/mappings/pool.ts

@@ -1,30 +1,214 @@
-import { Pool, PoolTransaction } from '../@types/schema'
+import { PoolTransaction } from '../@types/schema'
-import { LOG_JOIN } from '../@types/templates/BPool/BPool'
+import {
-import { integer } from './utils/constants'
+  LOG_BPT,
-import { gweiToEth } from './utils/generic'
+  LOG_EXIT,
+  LOG_JOIN,
+  LOG_SETUP,
+  LOG_SWAP
+} from '../@types/templates/BPool/BPool'
+import { Transfer } from '../@types/templates/BPool/BToken'
+import { integer, PoolTransactionType } from './utils/constants'
+import { weiToDecimal } from './utils/generic'
+import {
+  calcSpotPrice,
+  getPool,
+  getPoolToken,
+  getPoolTransaction,
+  getPoolShares
+} 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 = Pool.load(event.address.toHex())
+  const pool = getPool(event.address.toHex())
-
+  const user = getUser(event.params.caller.toHex())
-  // should we do something else here?
+  const poolTx = getPoolTransaction(event, user.id, PoolTransactionType.JOIN)
-  if (pool === null || pool.isFinalized === true) return
 
   pool.transactionCount = pool.transactionCount.plus(integer.ONE)
   pool.joinCount = pool.joinCount.plus(integer.ONE)
 
-  const poolTx = new PoolTransaction(event.transaction.hash.toHex())
+  // get token,  update pool transaction and update pool user liquidity
-  const user = getUser(event.params.caller.toHex())
+  const token = getToken(event.params.tokenIn.toHex())
-  poolTx.user = user.id
+  const ammount = weiToDecimal(
-  poolTx.pool = pool.id
+    event.params.tokenAmountIn.toBigDecimal(),
+    token.decimals
+  )
+  if (token.isDatatoken) {
+    poolTx.datatoken = token.id
+    poolTx.datatokenValue = ammount
+  } else {
+    poolTx.baseToken = token.id
+    poolTx.baseTokenValue = ammount
+  }
 
-  poolTx.timestamp = event.block.timestamp.toI32()
+  // update pool token
-  poolTx.tx = event.transaction.hash
+  const poolToken = getPoolToken(pool.id, token.id)
-  poolTx.block = event.block.number.toI32()
+  poolToken.balance.plus(ammount)
-
-  poolTx.gasPrice = gweiToEth(event.transaction.gasPrice.toBigDecimal())
-  poolTx.gasLimit = event.transaction.gasLimit.toBigDecimal()
 
+  poolToken.save()
   poolTx.save()
   pool.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)
+
+  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.toHex())
+  const ammount = weiToDecimal(
+    event.params.tokenAmountOut.toBigDecimal(),
+    token.decimals
+  )
+  if (token.isDatatoken) {
+    poolTx.datatoken = token.id
+    poolTx.datatokenValue = ammount.neg()
+  } else {
+    poolTx.baseToken = token.id
+    poolTx.baseTokenValue = ammount.neg()
+  }
+
+  const poolToken = getPoolToken(pool.id, token.id)
+  poolToken.balance.minus(ammount)
+
+  poolToken.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)
+
+  pool.transactionCount = pool.transactionCount.plus(integer.ONE)
+  pool.joinCount = pool.joinCount.plus(integer.ONE)
+
+  // get token out and update pool transaction, value is negative
+  const tokenOut = getToken(event.params.tokenOut.toHex())
+  const ammountOut = weiToDecimal(
+    event.params.tokenAmountOut.toBigDecimal(),
+    tokenOut.decimals
+  )
+  if (tokenOut.isDatatoken) {
+    poolTx.datatoken = tokenOut.id
+    poolTx.datatokenValue = ammountOut.neg()
+  } else {
+    poolTx.baseToken = tokenOut.id
+    poolTx.baseTokenValue = ammountOut.neg()
+  }
+  const poolTokenOut = getPoolToken(pool.id, tokenOut.id)
+  poolTokenOut.balance.minus(ammountOut)
+
+  // update pool token in
+  const tokenIn = getToken(event.params.tokenIn.toHex())
+  const ammountIn = weiToDecimal(
+    event.params.tokenAmountIn.toBigDecimal(),
+    tokenIn.decimals
+  )
+  if (tokenIn.isDatatoken) {
+    poolTx.datatoken = tokenIn.id
+    poolTx.datatokenValue = ammountIn
+  } else {
+    poolTx.baseToken = tokenIn.id
+    poolTx.baseTokenValue = ammountIn
+  }
+  const poolTokenIn = getPoolToken(pool.id, tokenIn.id)
+  poolTokenIn.balance.plus(ammountIn)
+
+  // update spot price
+  const isTokenInDatatoken = tokenIn.isDatatoken
+  const spotPrice = calcSpotPrice(
+    pool.id,
+    isTokenInDatatoken ? tokenOut.id : tokenIn.id,
+    isTokenInDatatoken ? tokenIn.id : tokenOut.id,
+    isTokenInDatatoken ? tokenIn.decimals : tokenOut.decimals
+  )
+  pool.spotPrice = spotPrice
+
+  poolTokenIn.save()
+  poolTokenOut.save()
+  poolTx.save()
+  pool.save()
+}
+
+// setup is just to set token weight and spotPrice , it will mostly be 50:50
+export function handleSetup(event: LOG_SETUP): void {
+  const pool = getPool(event.address.toHex())
+
+  const token = getToken(event.params.baseToken.toHex())
+  const baseToken = getPoolToken(pool.id, event.params.baseToken.toHex())
+  baseToken.denormWeight = weiToDecimal(
+    event.params.baseTokenWeight.toBigDecimal(),
+    token.decimals
+  )
+  baseToken.save()
+
+  // decimals hardcoded because datatokens have 18 decimals
+  const datatoken = getPoolToken(pool.id, event.params.dataToken.toHex())
+  datatoken.denormWeight = 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
+
+  pool.save()
+  datatoken.save()
+}
+
+export function handleBpt(event: LOG_BPT): void {
+  const pool = getPool(event.address.toHex())
+  const poolShares = getPoolShares(pool.id, event.transaction.from.toHex())
+  const poolTx = PoolTransaction.load(event.transaction.hash.toHex())
+  // TODO: should we return here if null? theoretically this should not be null since LOG_BPT is after the other events
+  if (!poolTx) return
+
+  const decimalBpt = weiToDecimal(event.params.bptAmount.toBigDecimal(), 18)
+
+  switch (poolTx.type) {
+    case PoolTransactionType.JOIN: {
+      poolShares.shares = poolShares.shares.plus(decimalBpt)
+      pool.totalShares.plus(decimalBpt)
+      break
+    }
+    case PoolTransactionType.EXIT: {
+      poolShares.shares = poolShares.shares.minus(decimalBpt)
+      pool.totalShares.minus(decimalBpt)
+      break
+    }
+  }
+
+  poolShares.shares = weiToDecimal(event.params.bptAmount.toBigDecimal(), 18)
+
+  pool.save()
+  poolShares.save()
+}
+
+export function handlerBptTransfer(event: Transfer): void {
+  const fromUser = getPoolShares(
+    event.address.toHex(),
+    event.params.src.toHex()
+  )
+  const toUser = getPoolShares(event.address.toHex(), event.params.dst.toHex())
+  const ammount = weiToDecimal(event.params.amt.toBigDecimal(), 18)
+
+  fromUser.shares = fromUser.shares.minus(ammount)
+  toUser.shares = toUser.shares.plus(ammount)
+
+  fromUser.save()
+  toUser.save()
+}

src/mappings/utils/constants.ts

@@ -11,8 +11,15 @@ export namespace integer {
 }
 
 export namespace decimal {
-  export const ZERO_BD = BigDecimal.fromString('0.0')
+  export const ZERO = BigDecimal.fromString('0.0')
-  export const MINUS_1_BD = BigDecimal.fromString('-1.0')
+  export const MINUS_1 = BigDecimal.fromString('-1.0')
-  export const ONE_BD = BigDecimal.fromString('1.0')
+  export const ONE = BigDecimal.fromString('1.0')
   export const BONE = BigDecimal.fromString('1000000000000000000')
 }
+
+export enum PoolTransactionType {
+  JOIN = 'JOIN',
+  EXIT = 'EXIT',
+  SWAP = 'SWAP',
+  SETUP = 'SETUP'
+}

src/mappings/utils/generic.ts

@@ -26,7 +26,7 @@ export function getOceanAddress(): string {
 
 export const OCEAN: string = getOceanAddress()
 
-export function tokenToDecimal(amount: BigDecimal, decimals: i32): BigDecimal {
+export function weiToDecimal(amount: BigDecimal, decimals: i32): BigDecimal {
   const scale = BigInt.fromI32(10)
     .pow(decimals as u8)
     .toBigDecimal()

src/mappings/utils/globalUtils.ts

@@ -0,0 +1,3 @@
+const GLOBAL_ID = 1
+
+export function getGlobalStats(): void {}

src/mappings/utils/poolUtils.ts

@@ -1,4 +1,66 @@
-import { PoolToken } from '../../@types/schema'
+import { Address, BigDecimal, ethereum } from '@graphprotocol/graph-ts'
+import {
+  Pool,
+  PoolShares,
+  PoolToken,
+  PoolTransaction
+} from '../../@types/schema'
+import { BPool } from '../../@types/templates/BPool/BPool'
+import { PoolTransactionType } from './constants'
+import { gweiToEth, weiToDecimal } from './generic'
+
+export function getPoolSharesId(
+  poolAddress: string,
+  userAddress: string
+): string {
+  return `${poolAddress}-${userAddress}`
+}
+
+export function getPoolTransaction(
+  event: ethereum.Event,
+  userAddress: string,
+  type: PoolTransactionType
+): PoolTransaction {
+  let poolTx = PoolTransaction.load(event.transaction.hash.toHex())
+
+  // create pool transaction and fill basic fields
+  if (poolTx === null) {
+    poolTx = new PoolTransaction(event.transaction.hash.toHex())
+
+    poolTx.user = userAddress
+    poolTx.pool = event.address.toHex()
+    poolTx.type = type
+
+    poolTx.timestamp = event.block.timestamp.toI32()
+    poolTx.tx = event.transaction.hash
+    poolTx.block = event.block.number.toI32()
+
+    poolTx.gasPrice = gweiToEth(event.transaction.gasPrice.toBigDecimal())
+    poolTx.gasLimit = event.transaction.gasLimit.toBigDecimal()
+  }
+
+  return poolTx
+}
+
+export function getPoolShares(
+  poolAddress: string,
+  userAddress: string
+): PoolShares {
+  let poolShares = PoolShares.load(getPoolSharesId(poolAddress, userAddress))
+  if (poolShares === null) {
+    poolShares = new PoolShares(getPoolSharesId(poolAddress, userAddress))
+  }
+  return poolShares
+}
+
+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 getPoolTokenId(
   poolAddress: string,
@@ -19,3 +81,20 @@ export function getPoolToken(
 
   return poolToken
 }
+
+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)
+  ).reverted
+  const price = weiToDecimal(weiPrice, baseTokenDecimals)
+
+  return price
+}

subgraph.yaml

@@ -22,9 +22,9 @@ dataSources:
         - name: ERC721Factory
           file: ./abis/ERC721Factory.json
       eventHandlers:
-        - event: NFTCreated(indexed address,indexed address,indexed string,address)
+        - event: NFTCreated(indexed address,indexed address,string,address,string,string)
           handler: handleNftCreated
-        - event: TokenCreated(indexed address,indexed address,indexed string)
+        - event: TokenCreated(indexed address,indexed address,string,string,uint256,address)
           handler: handleNewToken
   - kind: ethereum/contract
     name: FixedRateExchange
@@ -76,7 +76,7 @@ dataSources:
         - name: Dispenser
           file: ./abis/Dispenser.json
       eventHandlers:
-        - event: DispenserCreated(indexed address)
+        - event: DispenserCreated(indexed address,indexed address,uint256,uint256,address)
           handler: handleNewDispenser
         - event: DispenserActivated(indexed address)
           handler: handleActivate
@@ -156,6 +156,8 @@ templates:
       abis:
         - name: BPool
           file: ./abis/BPool.json
+        - name: BToken
+          file: ./abis/BToken.json
       eventHandlers:
         - event: LOG_SWAP(indexed address,indexed address,indexed address,uint256,uint256,uint256)
           handler: handleSwap
@@ -163,5 +165,12 @@ templates:
           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: LOG_BPT(uint256)
           handler: handleBpt
+        - event: Transfer(indexed address,indexed address,uint256)
+          handler: handlerBptTransfer      
+
+features:
+  - nonFatalErrors