test: allow configuring integration tests with env vars (#669)

integration-tests/package.json

@@ -23,6 +23,7 @@
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "chai": "^4.3.3",
     "chai-as-promised": "^7.1.1",
+    "envalid": "^7.1.0",
     "ethereum-waffle": "^3.3.0",
     "ethers": "^5.0.32",
     "hardhat": "^2.2.1",

integration-tests/test/shared/utils.ts

+import { Direction, waitForXDomainTransaction } from './watcher-utils'
+
 import {
   getContractFactory,
   getContractInterface,
@@ -11,28 +13,28 @@ import {
   BigNumberish,
   BigNumber,
 } from 'ethers'
-import { Direction, waitForXDomainTransaction } from './watcher-utils'
+import { cleanEnv, str, num } from 'envalid'
 
 export const GWEI = BigNumber.from(1e9)
 
+const env = cleanEnv(process.env, {
+  L1_URL:            str({ default: "http://localhost:9545" }),
+  L2_URL:            str({ default: "http://localhost:8545" }),
+  L1_POLLING_INTERVAL: num({ default: 10 }),
+  L2_POLLING_INTERVAL: num({ default: 10 }),
+  PRIVATE_KEY:         str({ default: '0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80' }),
+  ADDRESS_MANAGER: str({ default: '0x5FbDB2315678afecb367f032d93F642f64180aa3' })
+})
+
 // The hardhat instance
-const l1HttpPort = 9545
-export const l1Provider = new providers.JsonRpcProvider(
-  `http://localhost:${l1HttpPort}`
-)
-l1Provider.pollingInterval = 10
-
-const httpPort = 8545
-export const l2Provider = new providers.JsonRpcProvider(
-  `http://localhost:${httpPort}`
-)
-l2Provider.pollingInterval = 10
+export const l1Provider = new providers.JsonRpcProvider(env.L1_URL)
+l1Provider.pollingInterval = env.L1_POLLING_INTERVAL
+
+export const l2Provider = new providers.JsonRpcProvider(env.L2_URL)
+l2Provider.pollingInterval = env.L2_POLLING_INTERVAL
 
 // The sequencer private key which is funded on L1
-export const l1Wallet = new Wallet(
-  '0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80',
-  l1Provider
-)
+export const l1Wallet = new Wallet(env.PRIVATE_KEY, l1Provider)
 
 // A random private key which should always be funded with deposits from L1 -> L2
 // if it's using non-0 gas price
@@ -43,14 +45,10 @@ export const PROXY_SEQUENCER_ENTRYPOINT_ADDRESS =
   '0x4200000000000000000000000000000000000004'
 export const OVM_ETH_ADDRESS = '0x4200000000000000000000000000000000000006'
 
-// The address manager is always at the same address in testnet deployments
-export const addressManagerAddress =
-  '0x5FbDB2315678afecb367f032d93F642f64180aa3'
-
 export const getAddressManager = (provider: any) => {
   return getContractFactory('Lib_AddressManager')
     .connect(provider)
-    .attach(addressManagerAddress)
+    .attach(env.ADDRESS_MANAGER)
 }
 
 // Gets the gateway using the proxy if available

yarn.lock

@@ -5216,6 +5216,11 @@ env-paths@^2.2.0:
   resolved "https://registry.yarnpkg.com/env-paths/-/env-paths-2.2.1.tgz#420399d416ce1fbe9bc0a07c62fa68d67fd0f8f2"
   integrity sha512-+h1lkLKhZMTYjog1VEpJNG7NZJWcuc2DDk/qsqSTRRCOXiLjeQ1d1/udrUGhqMxUgAlwKNZ0cf2uqan5GLuS2A==
 
+envalid@^7.1.0:
+  version "7.1.0"
+  resolved "https://registry.yarnpkg.com/envalid/-/envalid-7.1.0.tgz#fccc499abb257e3992d73b02d014c867a85e2a69"
+  integrity sha512-C5rtCxfj+ozW5q79fBYKcBEf0KSNklKwZudjCzXy9ANT8Pz1MKxPBn6unZnYXXy6e+cqVgnEURQeXmdueG9/kA==
+
 envinfo@^7.7.4:
   version "7.8.1"
   resolved "https://registry.yarnpkg.com/envinfo/-/envinfo-7.8.1.tgz#06377e3e5f4d379fea7ac592d5ad8927e0c4d475"