integration-tests: fee too low/too high

.changeset/pretty-dogs-hope.md

@@ -0,0 +1,5 @@
+---
+'@eth-optimism/integration-tests': patch
+---
+
+Enforce fees in docker-compose setup and test cases for fee too low and fee too high

integration-tests/test/fee-payment.spec.ts

@@ -8,7 +8,7 @@ import { serialize } from '@ethersproject/transactions'
 import { predeploys, getContractFactory } from '@eth-optimism/contracts'
 
 /* Imports: Internal */
-import { gasPriceForL2, isLiveNetwork } from './shared/utils'
+import { isLiveNetwork } from './shared/utils'
 import { OptimismEnv } from './shared/env'
 import { Direction } from './shared/watcher-utils'
 
@@ -173,10 +173,7 @@ describe('Fee Payment Integration Tests', async () => {
       env.sequencerFeeVault.address
     )
 
-    // Submit the withdrawal.
-    const withdrawTx = await env.sequencerFeeVault.withdraw({
-      gasPrice: await gasPriceForL2(env), // Will be zero on HH
-    })
+    const withdrawTx = await env.sequencerFeeVault.withdraw()
 
     // Wait for the withdrawal to be relayed to L1.
     await withdrawTx.wait()

integration-tests/test/rpc.spec.ts

@@ -140,6 +140,45 @@ describe('Basic RPC tests', () => {
         'gas required exceeds allowance'
       )
     })
+
+    it('should reject a transaction with too low of a fee', async () => {
+      if (isLiveNetwork()) {
+        console.log('Skipping too low of a fee test on live network')
+        return
+      }
+
+      const gasPrice = await env.gasPriceOracle.gasPrice()
+      await env.gasPriceOracle.setGasPrice(1000)
+
+      const tx = {
+        ...defaultTransactionFactory(),
+        gasPrice: 1,
+      }
+
+      await expect(env.l2Wallet.sendTransaction(tx)).to.be.rejectedWith(
+        `gas price too low: 1 wei, use at least tx.gasPrice = 1000 wei`
+      )
+      // Reset the gas price to its original price
+      await env.gasPriceOracle.setGasPrice(gasPrice)
+    })
+
+    it('should reject a transaction with too high of a fee', async () => {
+      if (isLiveNetwork()) {
+        console.log('Skpping too high of a fee test on live network')
+        return
+      }
+
+      const gasPrice = await env.gasPriceOracle.gasPrice()
+      const largeGasPrice = gasPrice.mul(10)
+      const tx = {
+        ...defaultTransactionFactory(),
+        gasPrice: largeGasPrice,
+      }
+      await expect(env.l2Wallet.sendTransaction(tx)).to.be.rejectedWith(
+        `gas price too high: ${largeGasPrice.toString()} wei, use at most ` +
+          `tx.gasPrice = ${gasPrice.toString()} wei`
+      )
+    })
   })
 
   describe('eth_call', () => {

integration-tests/test/shared/env.ts

@@ -13,6 +13,7 @@ import {
   replicaProvider,
   l1Wallet,
   l2Wallet,
+  gasPriceOracleWallet,
   fundUser,
   getOvmEth,
   getL1Bridge,
@@ -100,7 +101,7 @@ export class OptimismEnv {
       .attach(ctcAddress)
 
     const gasPriceOracle = getContractFactory('OVM_GasPriceOracle')
-      .connect(l2Wallet)
+      .connect(gasPriceOracleWallet)
       .attach(predeploys.OVM_GasPriceOracle)
 
     const sccAddress = await addressManager.getAddress('StateCommitmentChain')

integration-tests/test/shared/utils.ts

@@ -47,6 +47,10 @@ const env = cleanEnv(process.env, {
   ADDRESS_MANAGER: str({
     default: '0x5FbDB2315678afecb367f032d93F642f64180aa3',
   }),
+  GAS_PRICE_ORACLE_PRIVATE_KEY: str({
+    default:
+      '0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba',
+  }),
   L2_CHAINID: num({ default: 420 }),
   IS_LIVE_NETWORK: bool({ default: false }),
 })
@@ -77,6 +81,12 @@ export const l1Wallet = new Wallet(env.PRIVATE_KEY, l1Provider)
 // if it's using non-0 gas price
 export const l2Wallet = l1Wallet.connect(l2Provider)
 
+// The owner of the GasPriceOracle on L2
+export const gasPriceOracleWallet = new Wallet(
+  env.GAS_PRICE_ORACLE_PRIVATE_KEY,
+  l2Provider
+)
+
 // Predeploys
 export const PROXY_SEQUENCER_ENTRYPOINT_ADDRESS =
   '0x4200000000000000000000000000000000000004'
@@ -182,14 +192,17 @@ export const waitForL2Geth = async (
 
 // eslint-disable-next-line @typescript-eslint/no-shadow
 export const gasPriceForL2 = async (env: OptimismEnv) => {
-  if (await isMainnet(env)) {
+  // The integration tests enforce fees on L2
+  // which run against hardhat on L1. Update if
+  // geth --dev is adopted for L1
+  const chainId = await env.l1Wallet.getChainId()
+  if ((await isMainnet(env)) || chainId === 31337) {
     return env.l2Wallet.getGasPrice()
   }
 
   if (isLiveNetwork()) {
     return Promise.resolve(BigNumber.from(10000))
   }
-
   return Promise.resolve(BigNumber.from(0))
 }
 

ops/docker-compose.yml

@@ -26,12 +26,13 @@ services:
         DEPLOYER_PRIVATE_KEY: "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"
         SEQUENCER_PRIVATE_KEY: "0x59c6995e998f97a5a0044966f0945389dc9e86dae88c7a8412f4603b6b78690d"
         PROPOSER_PRIVATE_KEY: "0x5de4111afa1a4b94908f83103eb1f1706367c2e68ca870fc3fb9a804cdab365a"
-        GAS_PRICE_ORACLE_OWNER: "0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266"
+        # Default hardhat account 5
+        GAS_PRICE_ORACLE_OWNER: "0x9965507d1a55bcc2695c58ba16fb37d819b0a4dc"
         # setting the whitelist owner to address(0) disables the whitelist
         WHITELIST_OWNER: "0x0000000000000000000000000000000000000000"
         L1_FEE_WALLET_ADDRESS: "0x391716d440c151c42cdf1c95c1d83a5427bca52c"
         L2_CHAIN_ID: 420
-        L2_BLOCK_GAS_LIMIT: 11000000
+        L2_BLOCK_GAS_LIMIT: 15000000
         BLOCK_SIGNER_ADDRESS: "0x00000398232E2064F896018496b4b44b3D62751F"
         GAS_PRICE_ORACLE_OVERHEAD: "2750"
         GAS_PRICE_ORACLE_SCALAR: "1500000"
@@ -212,4 +213,5 @@ services:
     entrypoint: ./gas-oracle.sh
     environment:
       GAS_PRICE_ORACLE_ETHEREUM_HTTP_URL: http://l2geth:8545
-      GAS_PRICE_ORACLE_PRIVATE_KEY: "0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80"
+      # Default hardhat account 5
+      GAS_PRICE_ORACLE_PRIVATE_KEY: "0x8b3a350cf5c34c9194ca85829a2df0ec3153be0318b5e2d3348e872092edffba"

ops/envs/geth.env

@@ -6,7 +6,7 @@ ETH1_CONFIRMATION_DEPTH=0
 ROLLUP_CLIENT_HTTP=
 ROLLUP_POLL_INTERVAL_FLAG=500ms
 ROLLUP_ENABLE_L2_GAS_POLLING=true
-# ROLLUP_ENFORCE_FEES=
+ROLLUP_ENFORCE_FEES=true
 
 RPC_ENABLE=true
 RPC_ADDR=0.0.0.0
@@ -36,3 +36,6 @@ BLOCK_SIGNER_KEY=6587ae678cf4fc9a33000cdbf9f35226b71dcc6a4684a31203241f9bcfd55d2
 BLOCK_SIGNER_ADDRESS=0x00000398232E2064F896018496b4b44b3D62751F
 
 L2_BLOCK_GAS_LIMIT=15000000
+
+ROLLUP_FEE_THRESHOLD_DOWN=0.9
+ROLLUP_FEE_THRESHOLD_UP=1.1