feat[integration-tests]: add new basic stress tests

integration-tests/contracts/SimpleStorage.sol

@@ -18,6 +18,12 @@ contract SimpleStorage {
         totalCount++;
     }
 
+    function setValueNotXDomain(bytes32 newValue) public {
+        msgSender = msg.sender;
+        value = newValue;
+        totalCount++;
+    }
+
     function dumbSetValue(bytes32 newValue) public {
         value = newValue;
     }

integration-tests/test/shared/env.ts

@@ -170,6 +170,8 @@ export class OptimismEnv {
         } catch (err) {
           if (err.message.includes('execution failed due to an exception')) {
             await sleep(5000)
+          } else if (err.message.includes('Nonce too low')) {
+            await sleep(5000)
           } else if (
             err.message.includes('message has already been received')
           ) {

integration-tests/test/shared/stress-test-helpers.ts

+/* Imports: External */
+import { ethers } from 'ethers'
+
+/* Imports: Internal */
+import { OptimismEnv } from './env'
+import { Direction } from './watcher-utils'
+
+interface TransactionParams {
+  contract: ethers.Contract
+  functionName: string
+  functionParams: any[]
+}
+
+// Arbitrary big amount of gas for the L1<>L2 messages.
+const MESSAGE_GAS = 8_000_000
+
+export const executeL1ToL2Transactions = async (
+  env: OptimismEnv,
+  txs: TransactionParams[]
+) => {
+  for (const tx of txs) {
+    const signer = ethers.Wallet.createRandom().connect(env.l1Wallet.provider)
+    const receipt = await env.l1Messenger
+      .connect(signer)
+      .sendMessage(
+        tx.contract.address,
+        tx.contract.interface.encodeFunctionData(
+          tx.functionName,
+          tx.functionParams
+        ),
+        MESSAGE_GAS,
+        {
+          gasPrice: 0,
+        }
+      )
+
+    await env.waitForXDomainTransaction(receipt, Direction.L1ToL2)
+  }
+}
+
+export const executeL2ToL1Transactions = async (
+  env: OptimismEnv,
+  txs: TransactionParams[]
+) => {
+  for (const tx of txs) {
+    const signer = ethers.Wallet.createRandom().connect(env.l2Wallet.provider)
+    const receipt = await env.l2Messenger
+      .connect(signer)
+      .sendMessage(
+        tx.contract.address,
+        tx.contract.interface.encodeFunctionData(
+          tx.functionName,
+          tx.functionParams
+        ),
+        MESSAGE_GAS,
+        {
+          gasPrice: 0,
+        }
+      )
+
+    await env.relayXDomainMessages(receipt)
+    await env.waitForXDomainTransaction(receipt, Direction.L2ToL1)
+  }
+}
+
+export const executeL2Transactions = async (
+  env: OptimismEnv,
+  txs: TransactionParams[]
+) => {
+  for (const tx of txs) {
+    const signer = ethers.Wallet.createRandom().connect(env.l2Wallet.provider)
+    const result = await tx.contract
+      .connect(signer)
+      .functions[tx.functionName](...tx.functionParams, {
+        gasPrice: 0,
+      })
+    await result.wait()
+  }
+}
+
+export const executeRepeatedL1ToL2Transactions = async (
+  env: OptimismEnv,
+  tx: TransactionParams,
+  count: number
+) => {
+  await executeL1ToL2Transactions(
+    env,
+    [...Array(count).keys()].map(() => tx)
+  )
+}
+
+export const executeRepeatedL2ToL1Transactions = async (
+  env: OptimismEnv,
+  tx: TransactionParams,
+  count: number
+) => {
+  await executeL2ToL1Transactions(
+    env,
+    [...Array(count).keys()].map(() => tx)
+  )
+}
+
+export const executeRepeatedL2Transactions = async (
+  env: OptimismEnv,
+  tx: TransactionParams,
+  count: number
+) => {
+  await executeL2Transactions(
+    env,
+    [...Array(count).keys()].map(() => tx)
+  )
+}
+
+export const executeL1ToL2TransactionsParallel = async (
+  env: OptimismEnv,
+  txs: TransactionParams[]
+) => {
+  await Promise.all(
+    txs.map(async (tx) => {
+      const signer = ethers.Wallet.createRandom().connect(env.l1Wallet.provider)
+      const receipt = await env.l1Messenger
+        .connect(signer)
+        .sendMessage(
+          tx.contract.address,
+          tx.contract.interface.encodeFunctionData(
+            tx.functionName,
+            tx.functionParams
+          ),
+          MESSAGE_GAS,
+          {
+            gasPrice: 0,
+          }
+        )
+
+      await env.waitForXDomainTransaction(receipt, Direction.L1ToL2)
+    })
+  )
+}
+
+export const executeL2ToL1TransactionsParallel = async (
+  env: OptimismEnv,
+  txs: TransactionParams[]
+) => {
+  await Promise.all(
+    txs.map(async (tx) => {
+      const signer = ethers.Wallet.createRandom().connect(env.l2Wallet.provider)
+      const receipt = await env.l2Messenger
+        .connect(signer)
+        .sendMessage(
+          tx.contract.address,
+          tx.contract.interface.encodeFunctionData(
+            tx.functionName,
+            tx.functionParams
+          ),
+          MESSAGE_GAS,
+          {
+            gasPrice: 0,
+          }
+        )
+
+      await env.relayXDomainMessages(receipt)
+      await env.waitForXDomainTransaction(receipt, Direction.L2ToL1)
+    })
+  )
+}
+
+export const executeL2TransactionsParallel = async (
+  env: OptimismEnv,
+  txs: TransactionParams[]
+) => {
+  await Promise.all(
+    txs.map(async (tx) => {
+      const signer = ethers.Wallet.createRandom().connect(env.l2Wallet.provider)
+      const result = await tx.contract
+        .connect(signer)
+        .functions[tx.functionName](...tx.functionParams, {
+          gasPrice: 0,
+        })
+      await result.wait()
+    })
+  )
+}
+
+export const executeRepeatedL1ToL2TransactionsParallel = async (
+  env: OptimismEnv,
+  tx: TransactionParams,
+  count: number
+) => {
+  await executeL1ToL2TransactionsParallel(
+    env,
+    [...Array(count).keys()].map(() => tx)
+  )
+}
+
+export const executeRepeatedL2ToL1TransactionsParallel = async (
+  env: OptimismEnv,
+  tx: TransactionParams,
+  count: number
+) => {
+  await executeL2ToL1TransactionsParallel(
+    env,
+    [...Array(count).keys()].map(() => tx)
+  )
+}
+
+export const executeRepeatedL2TransactionsParallel = async (
+  env: OptimismEnv,
+  tx: TransactionParams,
+  count: number
+) => {
+  await executeL2TransactionsParallel(
+    env,
+    [...Array(count).keys()].map(() => tx)
+  )
+}

integration-tests/test/stress-tests.spec.ts

+import { expect } from 'chai'
+
+/* Imports: External */
+import { Contract, ContractFactory } from 'ethers'
+
+/* Imports: Internal */
+import { OptimismEnv } from './shared/env'
+import {
+  executeRepeatedL1ToL2Transactions,
+  executeRepeatedL2ToL1Transactions,
+  executeRepeatedL2Transactions,
+  executeRepeatedL1ToL2TransactionsParallel,
+  executeRepeatedL2ToL1TransactionsParallel,
+  executeRepeatedL2TransactionsParallel,
+} from './shared/stress-test-helpers'
+
+/* Imports: Artifacts */
+import l1SimpleStorageJson from '../artifacts/contracts/SimpleStorage.sol/SimpleStorage.json'
+import l2SimpleStorageJson from '../artifacts-ovm/contracts/SimpleStorage.sol/SimpleStorage.json'
+
+// Need a big timeout to allow for all transactions to be processed.
+// For some reason I can't figure out how to set the timeout on a per-suite basis
+// so I'm instead setting it for every test.
+const STRESS_TEST_TIMEOUT = 300_000
+
+describe('stress tests', () => {
+  let env: OptimismEnv
+  before(async () => {
+    env = await OptimismEnv.new()
+  })
+
+  let L2SimpleStorage: Contract
+  let L1SimpleStorage: Contract
+  beforeEach(async () => {
+    const factory__L1SimpleStorage = new ContractFactory(
+      l1SimpleStorageJson.abi,
+      l1SimpleStorageJson.bytecode,
+      env.l1Wallet
+    )
+    const factory__L2SimpleStorage = new ContractFactory(
+      l2SimpleStorageJson.abi,
+      l2SimpleStorageJson.bytecode,
+      env.l2Wallet
+    )
+    L1SimpleStorage = await factory__L1SimpleStorage.deploy()
+    await L1SimpleStorage.deployTransaction.wait()
+    L2SimpleStorage = await factory__L2SimpleStorage.deploy()
+    await L2SimpleStorage.deployTransaction.wait()
+  })
+
+  describe('L1 => L2 stress tests', () => {
+    const numTransactions = 10
+
+    it(`${numTransactions} L1 => L2 transactions (serial)`, async () => {
+      await executeRepeatedL1ToL2Transactions(
+        env,
+        {
+          contract: L2SimpleStorage,
+          functionName: 'setValue',
+          functionParams: [`0x${'42'.repeat(32)}`],
+        },
+        numTransactions
+      )
+
+      expect((await L2SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+
+    it(`${numTransactions} L1 => L2 transactions (parallel)`, async () => {
+      await executeRepeatedL1ToL2TransactionsParallel(
+        env,
+        {
+          contract: L2SimpleStorage,
+          functionName: 'setValue',
+          functionParams: [`0x${'42'.repeat(32)}`],
+        },
+        numTransactions
+      )
+
+      expect((await L2SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+  })
+
+  describe('L2 => L1 stress tests', () => {
+    const numTransactions = 10
+
+    it(`${numTransactions} L2 => L1 transactions (serial)`, async () => {
+      await executeRepeatedL2ToL1Transactions(
+        env,
+        {
+          contract: L1SimpleStorage,
+          functionName: 'setValue',
+          functionParams: [`0x${'42'.repeat(32)}`],
+        },
+        numTransactions
+      )
+
+      expect((await L1SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+
+    it(`${numTransactions} L2 => L1 transactions (parallel)`, async () => {
+      await executeRepeatedL2ToL1TransactionsParallel(
+        env,
+        {
+          contract: L1SimpleStorage,
+          functionName: 'setValue',
+          functionParams: [`0x${'42'.repeat(32)}`],
+        },
+        numTransactions
+      )
+
+      expect((await L1SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+  })
+
+  describe('L2 transaction stress tests', () => {
+    const numTransactions = 10
+
+    it(`${numTransactions} L2 transactions (serial)`, async () => {
+      await executeRepeatedL2Transactions(
+        env,
+        {
+          contract: L2SimpleStorage,
+          functionName: 'setValueNotXDomain',
+          functionParams: [`0x${'42'.repeat(32)}`],
+        },
+        numTransactions
+      )
+
+      expect((await L2SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+
+    it(`${numTransactions} L2 transactions (parallel)`, async () => {
+      await executeRepeatedL2TransactionsParallel(
+        env,
+        {
+          contract: L2SimpleStorage,
+          functionName: 'setValueNotXDomain',
+          functionParams: [`0x${'42'.repeat(32)}`],
+        },
+        numTransactions
+      )
+
+      expect((await L2SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+  })
+
+  describe('C-C-C-Combo breakers', () => {
+    const numTransactions = 10
+
+    it(`${numTransactions} L2 transactions, L1 => L2 transactions, L2 => L1 transactions (txs serial, suites parallel)`, async () => {
+      await Promise.all([
+        executeRepeatedL1ToL2Transactions(
+          env,
+          {
+            contract: L2SimpleStorage,
+            functionName: 'setValue',
+            functionParams: [`0x${'42'.repeat(32)}`],
+          },
+          numTransactions
+        ),
+        executeRepeatedL2ToL1Transactions(
+          env,
+          {
+            contract: L1SimpleStorage,
+            functionName: 'setValue',
+            functionParams: [`0x${'42'.repeat(32)}`],
+          },
+          numTransactions
+        ),
+        executeRepeatedL2Transactions(
+          env,
+          {
+            contract: L2SimpleStorage,
+            functionName: 'setValueNotXDomain',
+            functionParams: [`0x${'42'.repeat(32)}`],
+          },
+          numTransactions
+        ),
+      ])
+
+      expect((await L2SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions * 2
+      )
+
+      expect((await L1SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+
+    it(`${numTransactions} L2 transactions, L1 => L2 transactions, L2 => L1 transactions (all parallel)`, async () => {
+      await Promise.all([
+        executeRepeatedL1ToL2TransactionsParallel(
+          env,
+          {
+            contract: L2SimpleStorage,
+            functionName: 'setValue',
+            functionParams: [`0x${'42'.repeat(32)}`],
+          },
+          numTransactions
+        ),
+        executeRepeatedL2ToL1TransactionsParallel(
+          env,
+          {
+            contract: L1SimpleStorage,
+            functionName: 'setValue',
+            functionParams: [`0x${'42'.repeat(32)}`],
+          },
+          numTransactions
+        ),
+        executeRepeatedL2TransactionsParallel(
+          env,
+          {
+            contract: L2SimpleStorage,
+            functionName: 'setValueNotXDomain',
+            functionParams: [`0x${'42'.repeat(32)}`],
+          },
+          numTransactions
+        ),
+      ])
+
+      expect((await L2SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions * 2
+      )
+
+      expect((await L1SimpleStorage.totalCount()).toNumber()).to.equal(
+        numTransactions
+      )
+    }).timeout(STRESS_TEST_TIMEOUT)
+  })
+})