ci: Use faucet in actor tests (#3193)

To improve the concurrency of the Bedrock actor tests, I hooked up an ETH faucet. Now, the actors can use the faucet to fund themselves before each run.

packages/actor-tests/bedrock/account-sends.ts

-import { Wallet, utils } from 'ethers'
+import { Wallet } from 'ethers'
 import { expect } from 'chai'
 
 import { actor, setupActor, run, setupRun } from '../lib/convenience'
-import { devWalletsL2 } from './utils'
+import { devWalletsL2, l2Provider } from './utils'
+import { Faucet } from '../lib/faucet'
 
 interface Context {
   wallet: Wallet
 }
 
 actor('Sender', () => {
-  let sourceWallet: Wallet
-
   let destWallet: Wallet
 
   setupActor(async () => {
     const devWallets = devWalletsL2()
-    sourceWallet = devWallets[0]
-    destWallet = devWallets[1]
+    destWallet = devWallets[0]
   })
 
   setupRun(async () => {
-    const newWallet = Wallet.createRandom().connect(sourceWallet.provider)
-    const tx = await sourceWallet.sendTransaction({
-      to: newWallet.address,
-      value: utils.parseEther('0.1'),
-    })
-    await tx.wait()
-
+    const faucet = new Faucet(process.env.FAUCET_URL, l2Provider)
+    const wallet = Wallet.createRandom().connect(l2Provider)
+    await faucet.drip(wallet.address)
     return {
-      wallet: newWallet,
+      wallet,
     }
   })
 

packages/actor-tests/bedrock/deposit-eth.ts

-import { utils, Wallet, providers, constants } from 'ethers'
+import { utils, Wallet, constants } from 'ethers'
 import {
   CrossChainMessenger,
   ETHBridgeAdapter,
@@ -7,29 +7,30 @@ import {
 import { predeploys } from '@eth-optimism/contracts-bedrock'
 import { sleep } from '@eth-optimism/core-utils'
 
-import { actor, setupActor, run } from '../lib/convenience'
+import { actor, setupActor, run, setupRun } from '../lib/convenience'
+import { l1Provider, l2Provider } from './utils'
+import { Faucet } from '../lib/faucet'
 
 interface Context {
   wallet: Wallet
+  messenger: CrossChainMessenger
 }
 
-actor('Dev account sender', () => {
-  let l1Provider: providers.JsonRpcProvider
-
-  let l2Provider: providers.JsonRpcProvider
-
-  let wallet: Wallet
-
-  let messenger: CrossChainMessenger
-
+actor('Depositor', () => {
   let contracts: any
 
   setupActor(async () => {
-    l1Provider = new providers.JsonRpcProvider(process.env.L1_RPC)
-    l2Provider = new providers.JsonRpcProvider(process.env.L2_RPC)
-    wallet = new Wallet(process.env.PRIVATE_KEY)
     contracts = require(process.env.CONTRACTS_JSON_PATH)
-    messenger = new CrossChainMessenger({
+  })
+
+  setupRun(async () => {
+    const wallet = Wallet.createRandom().connect(l1Provider)
+    const faucet = new Faucet(process.env.FAUCET_URL, l1Provider)
+    await faucet.drip(wallet.address)
+
+    return {
+      wallet,
+      messenger: new CrossChainMessenger({
         l1SignerOrProvider: wallet.connect(l1Provider),
         l2SignerOrProvider: wallet.connect(l2Provider),
         l1ChainId: (await l1Provider.getNetwork()).chainId,
@@ -59,13 +60,15 @@ actor('Dev account sender', () => {
           },
         },
         bedrock: true,
-    })
+      }),
+    }
   })
 
   run(async (b, ctx: Context, logger) => {
+    const { messenger } = ctx
     const recipient = Wallet.createRandom().connect(l2Provider)
     logger.log(`Depositing funds to ${recipient.address}.`)
-    const depositTx = await messenger.depositETH(utils.parseEther('0.0001'), {
+    const depositTx = await messenger.depositETH(utils.parseEther('0.000001'), {
       recipient: recipient.address,
     })
     logger.log(`Awaiting receipt for deposit tx ${depositTx.hash}.`)
@@ -74,7 +77,7 @@ actor('Dev account sender', () => {
     for (let i = 0; i < 60; i++) {
       const recipBal = await recipient.getBalance()
       logger.log(`Polling L2 for deposit completion.`)
-      if (recipBal.eq(utils.parseEther('0.0001'))) {
+      if (recipBal.eq(utils.parseEther('0.000001'))) {
         logger.log('Deposit successful.')
         return
       }

packages/actor-tests/bedrock/utils.ts

@@ -3,12 +3,16 @@ import { providers, Wallet } from 'ethers'
 const DEV_MNEMONIC =
   'test test test test test test test test test test test junk'
 
+export const l1Provider = new providers.JsonRpcProvider(process.env.L1_RPC)
+export const l2Provider = new providers.JsonRpcProvider(process.env.L2_RPC)
+
 export const devWalletsL2 = () => {
-  const provider = new providers.JsonRpcProvider(process.env.L2_RPC)
   const wallets = []
   for (let i = 0; i < 20; i++) {
     wallets.push(
-      Wallet.fromMnemonic(DEV_MNEMONIC, `m/44'/60'/0'/0/${i}`).connect(provider)
+      Wallet.fromMnemonic(DEV_MNEMONIC, `m/44'/60'/0'/0/${i}`).connect(
+        l2Provider
+      )
     )
   }
   return wallets

packages/actor-tests/lib/faucet.ts

+import { ethers, providers } from 'ethers'
+import { fetchJson, getAddress } from 'ethers/lib/utils'
+
+export class Faucet {
+  private url: string
+
+  private provider: providers.Provider
+
+  constructor(url: string, provider: providers.Provider) {
+    this.url = url
+    this.provider = provider
+  }
+
+  public async drip(
+    recipient: string
+  ): Promise<ethers.providers.TransactionReceipt> {
+    const res = await fetchJson(
+      `${this.url}/api/claim`,
+      JSON.stringify({
+        address: getAddress(recipient),
+      })
+    )
+
+    const txHash = res.tx_hash
+    return this.provider.waitForTransaction(txHash, 0, 30000)
+  }
+}

packages/actor-tests/package.json

@@ -18,7 +18,7 @@
     "test:coverage": "yarn test"
   },
   "dependencies": {
-    "@eth-optimism/contracts-bedrock": "0.5.2",
+    "@eth-optimism/contracts-bedrock": "0.5.3",
     "@eth-optimism/core-utils": "^0.9.2",
     "@eth-optimism/sdk": "^1.3.1",
     "@types/chai": "^4.2.18",

packages/actor-tests/tsconfig.json

@@ -4,7 +4,7 @@
     "resolveJsonModule": true
   },
   "include": [
-    "./lib",
+    "./lib/**/*.ts",
     "./bedrock/**/*.(ts|json)",
     "./package.json"
   ]

yarn.lock

@@ -652,27 +652,6 @@
     minimatch "^3.1.2"
     strip-json-comments "^3.1.1"
 
-"@eth-optimism/contracts-bedrock@0.5.2":
-  version "0.5.2"
-  resolved "https://registry.yarnpkg.com/@eth-optimism/contracts-bedrock/-/contracts-bedrock-0.5.2.tgz#9e7c364afe0791e54f311d3a2135623448881936"
-  integrity sha512-5QFEmudbU9Q6rOxZibPRTqW6q/gKQ7H6toC9v645pYJ4Aw2mB+FIQDbeJ4hDLwV/GRjaHXOuU9uGEqLMk+y8Cw==
-  dependencies:
-    "@eth-optimism/core-utils" "^0.9.2"
-    "@ethereumjs/trie" "^5.0.0-beta.1"
-    "@ethereumjs/util" "^8.0.0-beta.1"
-    "@openzeppelin/contracts" "^4.5.0"
-    "@openzeppelin/contracts-upgradeable" "^4.5.2"
-    "@rari-capital/solmate" "https://github.com/rari-capital/solmate.git#8f9b23f8838670afda0fd8983f2c41e8037ae6bc"
-    bip39 "^3.0.4"
-    ds-test "https://github.com/dapphub/ds-test.git#9310e879db8ba3ea6d5c6489a579118fd264a3f5"
-    ethereumjs-wallet "^1.0.2"
-    ethers "^5.6.8"
-    excessively-safe-call "https://github.com/nomad-xyz/ExcessivelySafeCall.git#4fcdfd3593d21381f696c790fa6180b8ef559c1e"
-    forge-std "https://github.com/foundry-rs/forge-std.git#f18682b2874fc57d7c80a511fed0b35ec4201ffa"
-    hardhat "^2.9.6"
-    merkle-patricia-tree "^4.2.4"
-    rlp "^2.2.7"
-
 "@ethereum-waffle/chai@^3.4.0":
   version "3.4.0"
   resolved "https://registry.yarnpkg.com/@ethereum-waffle/chai/-/chai-3.4.0.tgz#2477877410a96bf370edd64df905b04fb9aba9d5"
@@ -2864,11 +2843,6 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.1.tgz#f63fc384255d6ac139e0a2561aa207fd7c14183c"
   integrity sha512-5EFiZld3DYFd8aTL8eeMnhnaWh1/oXLXFNuFMrgF3b1DNPshF3LCyO7VR6lc+gac2URJ0BlVcZoCfkk/3MoEfg==
 
-"@openzeppelin/contracts-upgradeable@^4.5.2":
-  version "4.7.2"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts-upgradeable/-/contracts-upgradeable-4.7.2.tgz#414096e21f048200cbb7ad4fe4c6de2e822513bf"
-  integrity sha512-3dgc6qVmFch/uOmlmKnw5/v3JxwXcZD4T10/9CI1OUbX8AqjoZrBGKfxN1z3QxnIXRU/X31/BItJezJSDDTe7Q==
-
 "@openzeppelin/contracts@3.4.1-solc-0.7-2":
   version "3.4.1-solc-0.7-2"
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-3.4.1-solc-0.7-2.tgz#371c67ebffe50f551c3146a9eec5fe6ffe862e92"
@@ -2899,11 +2873,6 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.4.0.tgz#4a1df71f736c31230bbbd634dfb006a756b51e6b"
   integrity sha512-dlKiZmDvJnGRLHojrDoFZJmsQVeltVeoiRN7RK+cf2FmkhASDEblE0RiaYdxPNsUZa6mRG8393b9bfyp+V5IAw==
 
-"@openzeppelin/contracts@^4.5.0":
-  version "4.7.2"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.7.2.tgz#7587416fe2d35abf574193515b8971bfe9f64bc7"
-  integrity sha512-4n/JL9izql8303mPqPdubuna/DWEMbmOzWYUWyCPhjhiEr2w3nQrjE7vZz1fBF+wzzP6dZbIcsgqACk53c9FGA==
-
 "@primitivefi/hardhat-dodoc@^0.1.3":
   version "0.1.3"
   resolved "https://registry.yarnpkg.com/@primitivefi/hardhat-dodoc/-/hardhat-dodoc-0.1.3.tgz#338ecff24b93d3b43fa35a98909f6840af86c27c"
@@ -8629,10 +8598,6 @@ evp_bytestokey@^1.0.0, evp_bytestokey@^1.0.3:
     md5.js "^1.3.4"
     safe-buffer "^5.1.1"
 
-"excessively-safe-call@https://github.com/nomad-xyz/ExcessivelySafeCall.git#4fcdfd3593d21381f696c790fa6180b8ef559c1e":
-  version "0.0.1-rc.1"
-  resolved "https://github.com/nomad-xyz/ExcessivelySafeCall.git#4fcdfd3593d21381f696c790fa6180b8ef559c1e"
-
 "excessively-safe-call@https://github.com/nomad-xyz/ExcessivelySafeCall.git#81cd99ce3e69117d665d7601c330ea03b97acce0":
   version "0.0.1-rc.1"
   resolved "https://github.com/nomad-xyz/ExcessivelySafeCall.git#81cd99ce3e69117d665d7601c330ea03b97acce0"