Global stats (#319)

* partial global stats

* fix integer

* fixes

* liquidty and swap

schema.graphql

@@ -59,6 +59,7 @@ type Token @entity {
 
 "utility type"
 type TokenValuePair @entity {
+   "address of the token"
    id : ID!
    token : Token!
    value : BigDecimal!
@@ -387,23 +388,58 @@ type PoolSnapshot @entity {
   datatokenLiquidity: BigDecimal! 
 
 }
-type GlobalStats @entity {
+
+"utility type"
+type GlobalTotalLiquidityPair @entity {
+   "address of the token"
+   id : ID!
+   globalStatistic: GlobalStatistic!
+   token : Token!
+   value : BigDecimal!
+}
+
+"utility type"
+type GlobalTotalPoolSwapPair @entity {
+   "address of the token"
+   id : ID!
+   globalStatistic: GlobalStatistic!
+   token : Token!
+   value : BigDecimal!
+}
+"utility type"
+type GlobalTotalFixedSwapPair @entity {
+   "address of the token"
+   id : ID!
+    globalStatistic: GlobalStatistic!
+   token : Token!
+   value : BigDecimal!
+}
+type GlobalStatistic @entity {
     id: ID!
 
-    "total liquidity for each base token"                  
+    "total liquidity for each base token in pools"                  
-    totalLiquidity: [TokenValuePair!]!                        
+    totalLiquidity: [GlobalTotalLiquidityPair!]!   @derivedFrom(field: "globalStatistic")                      
-    "total swap volume for each base token. pools and fre"
+    "total swap volume for each base token in pools"
-    totalSwapVolume: [TokenValuePair!]!                                
+    totalPoolSwapVolume: [GlobalTotalPoolSwapPair!]!  @derivedFrom(field: "globalStatistic")        
-     
-    "number of total consumes, pools + fre+ free"
-    orderCount: BigInt!                                    
 
-    "total nfts created"
+    "total swap volume for each base token in fixed rate exchanges"
-    nftCount: BigInt!
+    totalFixedSwapVolume: [GlobalTotalFixedSwapPair!]    @derivedFrom(field: "globalStatistic")                          
-    "total datatokens created"
+     
-    datatokenCount:BigInt!
+    "number of total orders. pool 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!
+
+    "number of dispensers created"
+    dispenserCount: Int!
 }
 
 

src/mappings/dispenser.ts

@@ -10,6 +10,7 @@ import { Dispenser, DispenserTransaction } from '../@types/schema'
 import { decimal } from './utils/constants'
 import { getDispenser } from './utils/dispenserUtils'
 import { weiToDecimal } from './utils/generic'
+import { addDispenser } from './utils/globalUtils'
 import { getToken } from './utils/tokenUtils'
 import { getUser } from './utils/userUtils'
 
@@ -34,6 +35,8 @@ export function handleNewDispenser(event: DispenserCreated): void {
   dispenser.tx = event.transaction.hash.toHex()
   dispenser.block = event.block.number.toI32()
   dispenser.save()
+
+  addDispenser()
 }
 
 export function handleActivate(event: DispenserActivated): void {

src/mappings/erc20Templates.ts

@@ -7,7 +7,7 @@ import {
 
 import { integer } from './utils/constants'
 import { weiToDecimal } from './utils/generic'
-import { getGlobalStats } from './utils/globalUtils'
+import { addOrder } from './utils/globalUtils'
 import { getToken } from './utils/tokenUtils'
 import { getUser } from './utils/userUtils'
 
@@ -55,12 +55,9 @@ export function handleOrderStarted(event: OrderStarted): void {
   order.tx = event.transaction.hash.toHex()
   order.block = event.block.number.toI32()
 
-  const globalStats = getGlobalStats()
-  globalStats.orderCount = globalStats.orderCount.plus(integer.ONE)
-
-  globalStats.save()
   order.save()
   token.save()
+  addOrder()
 }
 
 export function handleNewPaymentCollector(event: NewPaymentCollector): void {}

src/mappings/erc721Factory.ts

@@ -2,9 +2,9 @@ import { log } from '@graphprotocol/graph-ts'
 import { NFTCreated, TokenCreated } from '../@types/ERC721Factory/ERC721Factory'
 import { Nft, Token } from '../@types/schema'
 import { ERC20Template, ERC721Template } from '../@types/templates'
-import { decimal, integer } from './utils/constants'
+import { decimal } from './utils/constants'
 import { weiToDecimal } from './utils/generic'
-import { getGlobalStats } from './utils/globalUtils'
+import { addDatatoken, addNft } from './utils/globalUtils'
 import { getUser } from './utils/userUtils'
 
 export function handleNftCreated(event: NFTCreated): void {
@@ -21,10 +21,7 @@ export function handleNftCreated(event: NFTCreated): void {
   nft.tx = event.transaction.hash.toHex()
   nft.block = event.block.number.toI32()
 
-  const globalStats = getGlobalStats()
+  addNft()
-  globalStats.nftCount = globalStats.nftCount.plus(integer.ONE)
-
-  globalStats.save()
   nft.save()
 }
 
@@ -45,9 +42,6 @@ export function handleNewToken(event: TokenCreated): void {
   token.supply = decimal.ZERO
   token.cap = weiToDecimal(event.params.cap.toBigDecimal(), 18)
 
-  const globalStats = getGlobalStats()
-  globalStats.datatokenCount = globalStats.datatokenCount.plus(integer.ONE)
-
-  globalStats.save()
   token.save()
+  addDatatoken()
 }

src/mappings/factoryRouter.ts

@@ -1,9 +1,11 @@
 import { NewPool } from '../@types/FactoryRouter/FactoryRouter'
 import { Pool } from '../@types/schema'
 import { BPool } from '../@types/templates'
+import { addPool } from './utils/globalUtils'
 
 export function handleNewPool(event: NewPool): void {
   BPool.create(event.params.poolAddress)
   const pool = new Pool(event.params.poolAddress.toHexString())
   pool.save()
+  addPool()
 }

src/mappings/fixedRateExchange.ts

@@ -15,6 +15,7 @@ import {
 } from '../@types/schema'
 import { getFixedRateExchange, getUpdateOrSwapId } from './utils/fixedRateUtils'
 import { weiToDecimal } from './utils/generic'
+import { addFixedRateExchange } from './utils/globalUtils'
 import { getToken } from './utils/tokenUtils'
 import { getUser } from './utils/userUtils'
 
@@ -40,6 +41,8 @@ export function handleExchangeCreated(event: ExchangeCreated): void {
   fixedRateExchange.tx = event.transaction.hash.toHex()
   fixedRateExchange.block = event.block.number.toI32()
   fixedRateExchange.save()
+
+  addFixedRateExchange()
 }
 
 export function handleRateChange(event: ExchangeRateChanged): void {

src/mappings/nftUpdate.ts

@@ -6,7 +6,6 @@ import {
   TokenURIUpdate
 } from '../@types/templates/ERC721Template/ERC721Template'
 import { NftUpdateType } from './utils/constants'
-
 function getId(tx: string, nftAddress: string): string {
   return `${tx}-${nftAddress}`
 }

src/mappings/pool.ts

@@ -7,7 +7,12 @@ import {
 import { Transfer } from '../@types/templates/BPool/BToken'
 import { integer, PoolTransactionType, ZERO_ADDRESS } from './utils/constants'
 import { weiToDecimal } from './utils/generic'
-import { getGlobalStats } from './utils/globalUtils'
+import {
+  addLiquidity,
+  addPoolSwap,
+  getGlobalStats,
+  removeLiquidity
+} from './utils/globalUtils'
 import {
   calcSpotPrice,
   getPool,
@@ -50,6 +55,8 @@ export function handleJoin(event: LOG_JOIN): void {
       poolSnapshot.baseTokenLiquidity.plus(ammount)
 
     pool.baseTokenLiquidity = pool.baseTokenLiquidity.plus(ammount)
+
+    addLiquidity(token.id, ammount)
   }
 
   poolSnapshot.save()
@@ -88,6 +95,7 @@ export function handleExit(event: LOG_EXIT): void {
       poolSnapshot.baseTokenLiquidity.minus(ammount)
 
     pool.baseTokenLiquidity.minus(ammount)
+    removeLiquidity(token.id, ammount)
   }
 
   poolSnapshot.save()
@@ -126,6 +134,9 @@ export function handleSwap(event: LOG_SWAP): void {
 
     poolSnapshot.baseTokenLiquidity =
       poolSnapshot.baseTokenLiquidity.minus(ammountOut)
+
+    addPoolSwap(tokenOut.id, ammountOut)
+    removeLiquidity(tokenOut.id, ammountOut)
   }
 
   // update pool token in
@@ -150,6 +161,9 @@ export function handleSwap(event: LOG_SWAP): void {
 
     poolSnapshot.baseTokenLiquidity =
       poolSnapshot.baseTokenLiquidity.plus(ammountIn)
+
+    addLiquidity(tokenIn.id, ammountIn)
+    addPoolSwap(tokenIn.id, ammountIn)
   }
 
   // update spot price

src/mappings/utils/fixedRateUtils.ts

@@ -4,7 +4,7 @@ export function getFixedRateExchange(exchangeId: string): FixedRateExchange {
   let fixedRateExhange = FixedRateExchange.load(exchangeId)
   if (fixedRateExhange === null) {
     fixedRateExhange = new FixedRateExchange(exchangeId)
-    // TODO: get data from contract and fill in new fixed rate exchange
+    // TODO: get data from contract and fill in new fixed rate exchange, this is just a worst case scenario. We shouldn't reach this code
     fixedRateExhange.save()
   }
 

src/mappings/utils/globalUtils.ts

@@ -1,16 +1,101 @@
 import { BigDecimal } from '@graphprotocol/graph-ts'
-import { GlobalStats } from '../../@types/schema'
+import {
+  GlobalStatistic,
+  GlobalTotalFixedSwapPair,
+  GlobalTotalLiquidityPair,
+  GlobalTotalPoolSwapPair
+} from '../../@types/schema'
 
 const GLOBAL_ID = '1'
 
-export function getGlobalStats(): GlobalStats {
+export function getGlobalStats(): GlobalStatistic {
-  let globalStats = GlobalStats.load(GLOBAL_ID)
+  let globalStats = GlobalStatistic.load(GLOBAL_ID)
-  if (!globalStats) globalStats = new GlobalStats(GLOBAL_ID)
+  if (!globalStats) {
+    globalStats = new GlobalStatistic(GLOBAL_ID)
+    globalStats.save()
+  }
   return globalStats
 }
-
+export function addOrder(): void {
-export function addSwap(tokenAddress: string, value: BigDecimal): void {
   const globalStats = getGlobalStats()
-
+  globalStats.orderCount = globalStats.orderCount + 1
   globalStats.save()
 }
+
+export function addDatatoken(): void {
+  const globalStats = getGlobalStats()
+  globalStats.datatokenCount = globalStats.datatokenCount + 1
+  globalStats.save()
+}
+
+export function addNft(): void {
+  const globalStats = getGlobalStats()
+  globalStats.nftCount = globalStats.nftCount + 1
+  globalStats.save()
+}
+
+export function addFixedRateExchange(): void {
+  const globalStats = getGlobalStats()
+  globalStats.fixedCount = globalStats.fixedCount + 1
+  globalStats.save()
+}
+
+export function addDispenser(): void {
+  const globalStats = getGlobalStats()
+  globalStats.dispenserCount = globalStats.dispenserCount + 1
+  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.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 = fixedSwapPair.value.plus(value)
+
+  fixedSwapPair.save()
+}
+
+export function addLiquidity(tokenAddress: string, value: BigDecimal): void {
+  let liquidityPair = GlobalTotalLiquidityPair.load(tokenAddress)
+  if (!liquidityPair) {
+    liquidityPair = new GlobalTotalLiquidityPair(tokenAddress)
+    liquidityPair.globalStatistic = GLOBAL_ID
+    liquidityPair.token = tokenAddress
+  }
+  liquidityPair.value = liquidityPair.value.plus(value)
+
+  liquidityPair.save()
+}
+
+export function removeLiquidity(tokenAddress: string, value: BigDecimal): void {
+  let liquidityPair = GlobalTotalLiquidityPair.load(tokenAddress)
+  if (!liquidityPair) {
+    liquidityPair = new GlobalTotalLiquidityPair(tokenAddress)
+    liquidityPair.globalStatistic = GLOBAL_ID
+    liquidityPair.token = tokenAddress
+  }
+  liquidityPair.value = liquidityPair.value.minus(value)
+
+  liquidityPair.save()
+}

src/mappings/utils/tokenUtils.ts

@@ -1,8 +1,6 @@
 import { Address, log } from '@graphprotocol/graph-ts'
 import { Token } from '../../@types/schema'
 import { ERC20 } from '../../@types/templates/ERC20Template/ERC20'
-import { integer } from './constants'
-import { getGlobalStats } from './globalUtils'
 
 export function createToken(address: string): Token {
   log.debug('started creating token with address: {}', [address])
@@ -13,10 +11,6 @@ export function createToken(address: string): Token {
   token.address = address
   token.isDatatoken = false
   token.decimals = contract.decimals()
-  const globalStats = getGlobalStats()
-  globalStats.datatokenCount = globalStats.datatokenCount.plus(integer.ONE)
-
-  globalStats.save()
   token.save()
   return token
 }