add unit tests

package.json

@@ -9,6 +9,7 @@
     "buildonly": "graph build",
     "deploy:alchemy": "graph deploy --node https://subgraphs.alchemy.com/api/subgraphs/deploy --ipfs https://ipfs.satsuma.xyz",
     "codegen": "graph codegen --output-dir src/types/",
+    "test": "graph test",
     "create-local": "graph create davekaj/uniswap --node http://127.0.0.1:8020",
     "deploy-local": "graph deploy davekaj/uniswap --debug --ipfs http://localhost:5001 --node http://127.0.0.1:8020",
     "deploy": "graph deploy ianlapham/uniswap-v2-dev --ipfs https://api.thegraph.com/ipfs/ --node https://api.thegraph.com/deploy/ --debug",
@@ -23,6 +24,7 @@
     "@uniswap/eslint-config": "^1.2.0",
     "eslint": "^8.57.0",
     "eslint-config-prettier": "^6.1.0",
+    "matchstick-as": "^0.6.0",
     "npm-run-all": "^4.1.5",
     "prettier": "^1.18.2",
     "typescript": "^3.5.2"

src/mappings/pricing.ts

@@ -4,8 +4,9 @@ import { Address, BigDecimal, BigInt } from '@graphprotocol/graph-ts/index'
 import { Bundle, Pair, Token } from '../types/schema'
 import { ADDRESS_ZERO, factoryContract, ONE_BD, UNTRACKED_PAIRS, ZERO_BD } from './helpers'
 
-const WETH_ADDRESS = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'
-const USDC_WETH_PAIR = '0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc' // created 10008355
+export const WETH_ADDRESS = '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2'
+export const USDC_ADDRESS = '0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48'
+export const USDC_WETH_PAIR = '0xb4e16d0168e52d35cacd2c6185b44281ec28c9dc' // created 10008355
 const DAI_WETH_PAIR = '0xa478c2975ab1ea89e8196811f51a7b7ade33eb11' // created block 10042267
 const USDT_WETH_PAIR = '0x0d4a11d5eeaac28ec3f61d100daf4d40471f1852' // created block 10093341
 
@@ -150,7 +151,10 @@ export function getTrackedVolumeUSD(
 
   // both are whitelist tokens, take average of both amounts
   if (WHITELIST.includes(token0.id) && WHITELIST.includes(token1.id)) {
-    return tokenAmount0.times(price0).plus(tokenAmount1.times(price1)).div(BigDecimal.fromString('2'))
+    return tokenAmount0
+      .times(price0)
+      .plus(tokenAmount1.times(price1))
+      .div(BigDecimal.fromString('2'))
   }
 
   // take full value of the whitelisted token amount

tests/.latest.json

@@ -0,0 +1,4 @@
+{
+  "version": "0.6.0",
+  "timestamp": 1714590102821
+}

tests/handleNewPair.test.ts

@@ -0,0 +1,37 @@
+import { assert, test, newMockEvent, dataSourceMock } from 'matchstick-as/assembly/index'
+import { describe, test } from 'matchstick-as/assembly/index'
+import { log } from 'matchstick-as/assembly/log'
+import { PairCreated } from '../src/types/Factory/Factory'
+import { Address, ethereum } from '@graphprotocol/graph-ts'
+import { USDC_ADDRESS, USDC_WETH_PAIR, WETH_ADDRESS } from '../src/mappings/pricing'
+import { handleNewPair } from '../src/mappings/factory'
+import { FACTORY_ADDRESS } from '../src/mappings/helpers'
+
+describe('handleNewPair', () => {
+  test('success - what', () => {
+    log.success('HERE', [])
+    const mockEvent = newMockEvent()
+    const token0Address = Address.fromString(USDC_ADDRESS)
+    const token1Address = Address.fromString(WETH_ADDRESS)
+    const pairAddress = Address.fromString(USDC_WETH_PAIR)
+    const parameters = [
+      new ethereum.EventParam('token0', ethereum.Value.fromAddress(token0Address)),
+      new ethereum.EventParam('token1', ethereum.Value.fromAddress(token1Address)),
+      new ethereum.EventParam('pair', ethereum.Value.fromAddress(pairAddress)),
+    ]
+    const pairCreatedEvent = new PairCreated(
+      mockEvent.address,
+      mockEvent.logIndex,
+      mockEvent.transactionLogIndex,
+      mockEvent.logType,
+      mockEvent.block,
+      mockEvent.transaction,
+      parameters,
+      mockEvent.receipt,
+    )
+
+    handleNewPair(pairCreatedEvent)
+
+    // assert.fieldEquals('UniswapFactory', FACTORY_ADDRESS, 'pairCount', '3', 'Fail')
+  })
+})

yarn.lock

@@ -3721,6 +3721,13 @@ make-error@^1.1.1:
   resolved "https://registry.yarnpkg.com/make-error/-/make-error-1.3.6.tgz#2eb2e37ea9b67c4891f684a1394799af484cf7a2"
   integrity sha512-s8UhlNe7vPKomQhC1qFelMokr/Sc3AgNbso3n74mVPA5LTZwkB9NlXf4XPamLxJE8h0gh73rM94xvwRT2CVInw==
 
+matchstick-as@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/matchstick-as/-/matchstick-as-0.6.0.tgz#c65296b1f51b1014d605c52067d9b5321ea630e8"
+  integrity sha512-E36fWsC1AbCkBFt05VsDDRoFvGSdcZg6oZJrtIe/YDBbuFh8SKbR5FcoqDhNWqSN+F7bN/iS2u8Md0SM+4pUpw==
+  dependencies:
+    wabt "1.0.24"
+
 md5.js@^1.3.4:
   version "1.3.5"
   resolved "https://registry.yarnpkg.com/md5.js/-/md5.js-1.3.5.tgz#b5d07b8e3216e3e27cd728d72f70d1e6a342005f"
@@ -5349,6 +5356,11 @@ [email protected]:
     core-util-is "1.0.2"
     extsprintf "^1.2.0"
 
+[email protected]:
+  version "1.0.24"
+  resolved "https://registry.yarnpkg.com/wabt/-/wabt-1.0.24.tgz#c02e0b5b4503b94feaf4a30a426ef01c1bea7c6c"
+  integrity sha512-8l7sIOd3i5GWfTWciPL0+ff/FK/deVK2Q6FN+MPz4vfUcD78i2M/49XJTwF6aml91uIiuXJEsLKWMB2cw/mtKg==
+
 wcwidth@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/wcwidth/-/wcwidth-1.0.1.tgz#f0b0dcf915bc5ff1528afadb2c0e17b532da2fe8"