Merge branch 'develop' into qbzzt/230316-superchain-img

.changeset/clever-jokes-notice.md

+---
+'@eth-optimism/contracts-bedrock': patch
+---
+
+Reduce the time that the system dictator deploy scripts wait before checking the chain state.

.changeset/cuddly-turkeys-burn.md

+---
+'@eth-optimism/sdk': patch
+---
+
+Have SDK automatically create Standard and ETH bridges when L1StandardBridge is provided.

.changeset/pink-chicken-hear.md

+---
+'@eth-optimism/contracts-bedrock': patch
+---
+
+Added a contsructor to the System Dictator

.changeset/sharp-islands-attend.md

+---
+'@eth-optimism/batch-submitter-service': patch
+---
+
+fix flag name for MaxStateRootElements in batch-submitter
+fix log package for proposer

.changeset/tricky-donkeys-lick.md

+---
+'@eth-optimism/chain-mon': patch
+'@eth-optimism/data-transport-layer': patch
+'@eth-optimism/fault-detector': patch
+'@eth-optimism/message-relayer': patch
+'@eth-optimism/replica-healthcheck': patch
+---
+
+Empty patch release to re-release packages that failed to be released by a bug in the release process.

.circleci/config.yml

@@ -518,6 +518,10 @@ jobs:
           patterns: packages
       # Note: The below needs to be manually configured whenever we
       # add a new package to CI.
+      - run:
+          name: Check common-ts
+          command: npx depcheck
+          working_directory: packages/common-ts
       - run:
           name: Check contracts
           command: npx depcheck

batch-submitter/config.go

@@ -209,7 +209,7 @@ func NewConfig(ctx *cli.Context) (Config, error) {
 		MaxL1TxSize:               ctx.GlobalUint64(flags.MaxL1TxSizeFlag.Name),
 		MaxPlaintextBatchSize:     ctx.GlobalUint64(flags.MaxPlaintextBatchSizeFlag.Name),
 		MinStateRootElements:      ctx.GlobalUint64(flags.MinStateRootElementsFlag.Name),
-		MaxStateRootElements:      ctx.GlobalUint64(flags.MinStateRootElementsFlag.Name),
+		MaxStateRootElements:      ctx.GlobalUint64(flags.MaxStateRootElementsFlag.Name),
 		MaxBatchSubmissionTime:    ctx.GlobalDuration(flags.MaxBatchSubmissionTimeFlag.Name),
 		PollInterval:              ctx.GlobalDuration(flags.PollIntervalFlag.Name),
 		NumConfirmations:          ctx.GlobalUint64(flags.NumConfirmationsFlag.Name),

batch-submitter/drivers/proposer/driver.go

@@ -13,13 +13,13 @@ import (
 	"github.com/ethereum-optimism/optimism/bss-core/metrics"
 	"github.com/ethereum-optimism/optimism/bss-core/txmgr"
 	l2ethclient "github.com/ethereum-optimism/optimism/l2geth/ethclient"
-	"github.com/ethereum-optimism/optimism/l2geth/log"
 	"github.com/ethereum/go-ethereum/accounts/abi"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
 )
 
 // stateRootSize is the size in bytes of a state root.

docs/op-stack/src/.vuepress/config.js

@@ -150,6 +150,7 @@ module.exports = {
           '/docs/build/getting-started.md',
           '/docs/build/conf.md',
           '/docs/build/explorer.md',
+          '/docs/build/sdk.md',
           {
             title: "OP Stack Hacks",
             collapsable: true,

docs/op-stack/src/.vuepress/enhanceApp.js

+import event from '@vuepress/plugin-pwa/lib/event'
+
 export default ({ router }) => {
+  registerAutoReload();
+  
   router.addRoutes([
     { path: '/docs/', redirect: '/' },
   ])
 }
+
+// When new content is detected by the app, this will automatically
+// refresh the page, so that users do not need to manually click
+// the refresh button. For more details see:
+// https://linear.app/optimism/issue/FE-1003/investigate-archive-issue-on-docs
+const registerAutoReload = () => {
+    event.$on('sw-updated', e => e.skipWaiting().then(() => {
+      location.reload(true);
+    }))
+}

docs/op-stack/src/.vuepress/theme/components/PageMeta.vue

@@ -32,6 +32,11 @@
               <i class="fab fa-discord"></i> Discord community
             </a>
           </li>
+          <li>
+            <a href="https://wkf.ms/3XTdpLl" target="_blank" rel="noopener noreferrer">
+              <i class="far fa-comment-dots"></i> Get support for going live
+            </a>
+          </li>          
         </ul>
       </div>
     </div>

docs/op-stack/src/docs/build/explorer.md

@@ -59,3 +59,66 @@ Download and install [Docker engine](https://docs.docker.com/engine/install/#ser
 After the docker containers start, browse to http:// < *computer running Blockscout* > :4000 to view the user interface. 
 
 You can also use the [API](https://docs.blockscout.com/for-users/api)
+
+### GraphQL
+
+Blockscout's API includes [GraphQL](https://graphql.org/) support under `/graphiql`. 
+For example, this query looks at addresses.
+
+```
+query {
+  addresses(hashes:[
+   "0xcB69A90Aa5311e0e9141a66212489bAfb48b9340", 
+   "0xC2dfA7205088179A8644b9fDCecD6d9bED854Cfe"])
+```
+
+GraphQL queries start with a top level entity (or entities).
+In this case, our [top level query](https://docs.blockscout.com/for-users/api/graphql#queries) is for multiple addresses.
+
+Note that you can only query on fields that are indexed.
+For example, here we query on the addresses.
+However, we couldn't query on `contractCode` or `fetchedCoinBalance`.
+
+```
+ {
+    hash
+    contractCode
+    fetchedCoinBalance
+```
+
+The fields above are fetched from the address table.
+
+```
+    transactions(first:5) {
+```
+
+We can also fetch the transactions that include the address (either as source or destination).
+The API does not let us fetch an unlimited number of transactions, so here we ask for the first 5.
+
+
+```
+      edges {
+        node {
+```
+
+Because this is a [graph](https://en.wikipedia.org/wiki/Graph_(discrete_mathematics)), the entities that connect two types, for example addresses and transactions, are called `edges`.
+At the other end of each edge there is a transaction, which is a separate `node`.
+
+```
+          hash
+          fromAddressHash
+          toAddressHash
+          input
+        }
+```
+
+These are the fields we read for each transaction. 
+
+```
+      }
+    }
+  }
+}
+```
+
+Finally, close all the brackets. 
\ No newline at end of file

docs/op-stack/src/docs/build/getting-started.md

@@ -39,12 +39,11 @@ This tutorial was checked on:
 | Software | Version    | Installation command(s) |
 | -------- | ---------- | - |
 | Ubuntu   | 20.04 LTS  | |
-| git      | OS default | |
-| make     | 4.2.1-1.2  | `sudo apt install -y make`
+| git, curl, and make | OS default | `sudo apt install -y git curl make` |
 | Go       | 1.20       | `sudo apt update` <br> `wget https://go.dev/dl/go1.20.linux-amd64.tar.gz` <br> `tar xvzf go1.20.linux-amd64.tar.gz` <br> `sudo cp go/bin/go /usr/bin/go` <br> `sudo mv go /usr/lib` <br> `echo export GOROOT=/usr/lib/go >> ~/.bashrc`
-| Node     | 16.19.0    | `curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash -` <br> `sudo apt-get install -y nodejs`
+| Node     | 16.19.0    | `curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash -` <br> `sudo apt-get install -y nodejs npm`
 | yarn     | 1.22.19    | `sudo npm install -g yarn`
-| Foundry  | 0.2.0      | `curl -L https://foundry.paradigm.xyz | bash` <br> `sudo bash` <br> `foundryup`
+| Foundry  | 0.2.0      | `curl -L https://foundry.paradigm.xyz | bash` <br> `. ~/.bashrc` <br> `foundryup`
 
 ## Build the Source Code
 
@@ -74,7 +73,8 @@ We’re going to be spinning up an EVM Rollup from the OP Stack source code.  Yo
 1. Build the various packages inside of the Optimism Monorepo.
 
     ```bash
-    make build
+    make op-node op-batcher
+    yarn build
     ```
 
 ### Build op-geth
@@ -440,20 +440,27 @@ Once you’ve connected your wallet, you’ll probably notice that you don’t h
     cd ~/optimism/packages/contracts-bedrock
     ```
 
-1. Grab the address of the `OptimismPortalProxy` contract:
+1. Grab the address of the proxy to the L1 standard bridge contract:
 
     ```bash
-    cat deployments/getting-started/OptimismPortalProxy.json | grep \"address\":
+    cat deployments/getting-started/Proxy__OVM_L1StandardBridge.json.json | grep \"address\":
     ```
 
     You should see a result like the following (**your address will be different**):
 
     ```
-    "address": "0x264B5fde6B37fb6f1C92AaC17BA144cf9e3DcFE9",
-            "address": "0x264B5fde6B37fb6f1C92AaC17BA144cf9e3DcFE9",
+    "address": "0x874f2E16D803c044F10314A978322da3c9b075c7",
+            "internalType": "address",
+            "type": "address"
+            "internalType": "address",
+            "type": "address"
+            "internalType": "address",
+            "type": "address"
+            "internalType": "address",
+            "type": "address"
     ```
 
-1. Grab the `OptimismPortalProxy` address and, using the wallet that you want to have ETH on your Rollup, send that address a small amount of ETH on Goerli (0.1 or less is fine). It may take up to 5 minutes for that ETH to appear in your wallet on L2.
+1. Grab the L1 bridge proxy contract address and, using the wallet that you want to have ETH on your Rollup, send that address a small amount of ETH on Goerli (0.1 or less is fine). It may take up to 5 minutes for that ETH to appear in your wallet on L2.
 
 ## Use your Rollup
 

docs/op-stack/src/docs/build/sdk.md

+---
+title: Using the SDK with OP Stack
+lang: en-US
+---
+
+When building applications for use with your OP Stack, you can continue to use [the Optimism JavaScript SDK](https://sdk.optimism.io/).
+The main difference is you need to provide some contract addresses to the `CrossDomainMessenger` because they aren't preconfigured.
+
+
+## Contract addresses
+
+### L1 contract addresses
+
+The contract addresses are in `.../optimism/packages/contracts-bedrock/deployments/getting-started`, which you created when you deployed the L1 contracts.
+
+| Contract name when creating `CrossDomainMessenger` | File with address |
+| - | - |
+| `AddressManager`         | `Lib_AddressManager.json`
+| `L1CrossDomainMessenger` | `Proxy__OVM_L1CrossDomainMessenger.json`
+| `L1StandardBridge`       | `Proxy__OVM_L1StandardBridge.json`
+| `OptimismPortal`         | `OptimismPortalProxy.json`
+| `L2OutputOracle`         | `L2OutputOracleProxy.json`
+
+
+### Unneeded contract addresses
+
+Some contracts are required by the SDK, but not actually used.
+For these contracts you can just specify the zero address:
+
+- `StateCommitmentChain`
+- `CanonicalTransactionChain`
+- `BondManager`
+
+In JavaScript you can create the zero address using the expression `"0x".padEnd(42, "0")`.
+
+## The CrossChainMessenger object
+
+These directions assume you are inside the [Hardhat console](https://hardhat.org/hardhat-runner/docs/guides/hardhat-console).
+They further assume that your project already includes the Optimism SDK [`@eth-optimism/sdk`](https://www.npmjs.com/package/@eth-optimism/sdk).
+
+1. Import the SDK
+
+   ```js
+   optimismSDK = require("@eth-optimism/sdk")
+   ```
+
+1. Set the configuration parameters.
+
+   | Variable name | Value |
+   | - | - |
+   | `l1Url` | URL to an RPC provider for L1, for example `https://eth-goerli.g.alchemy.com/v2/<api key>`
+   | `l2Url` | URL to your OP Stack. If running on the same computer, it is `http://localhost:8545`
+   | `privKey` | The private key for an account that has some ETH on the L1
+
+
+1. Create the [providers](https://docs.ethers.org/v5/api/providers/) and [signers](https://docs.ethers.org/v5/api/signer/).
+
+   ```js
+   l1Provider = new ethers.providers.JsonRpcProvider(l1Url)
+   l2Provider = new ethers.providers.JsonRpcProvider(l2Url)
+   l1Signer = new ethers.Wallet(privKey).connect(l1Provider)
+   l2Signer = new ethers.Wallet(privKey).connect(l2Provider)
+   ```
+
+1. Create the L1 contracts structure.
+
+   ```js
+   zeroAddr = "0x".padEnd(42, "0")
+   l1Contracts = {
+      StateCommitmentChain: zeroAddr,
+      CanonicalTransactionChain: zeroAddr,
+      BondManager: zeroAddr,
+      // These contracts have the addresses you found out earlier.
+      AddressManager: "0x....",   // Lib_AddressManager.json
+      L1CrossDomainMessenger: "0x....",   // Proxy__OVM_L1CrossDomainMessenger.json  
+      L1StandardBridge: "0x....",   // Proxy__OVM_L1StandardBridge.json
+      OptimismPortal: "0x....",   // OptimismPortalProxy.json
+      L2OutputOracle: "0x....",   // L2OutputOracleProxy.json
+   }                       
+   ```
+
+1. Create the data structure for the standard bridge.
+
+   ```js
+    bridges = { 
+      Standard: { 
+         l1Bridge: l1Contracts.L1StandardBridge, 
+         l2Bridge: "0x4200000000000000000000000000000000000010", 
+         Adapter: optimismSDK.StandardBridgeAdapter
+      },
+      ETH: {
+         l1Bridge: l1Contracts.L1StandardBridge, 
+         l2Bridge: "0x4200000000000000000000000000000000000010", 
+         Adapter: optimismSDK.ETHBridgeAdapter
+      }
+   }
+   ```
+
+
+1. Create the [`CrossChainMessenger`](https://sdk.optimism.io/classes/crosschainmessenger) object.
+
+   ```js
+   crossChainMessenger = new optimismSDK.CrossChainMessenger({
+      bedrock: true,
+      contracts: {
+         l1: l1Contracts
+      },
+      bridges: bridges,
+      l1ChainId: await l1Signer.getChainId(),
+      l2ChainId: await l2Signer.getChainId(),
+      l1SignerOrProvider: l1Signer,
+      l2SignerOrProvider: l2Signer,    
+   })
+   ```
+
+## Verify SDK functionality
+
+To verify the SDK's functionality, transfer some ETH from L1 to L2.
+
+1. Get the current balances.
+
+   ```js
+   balances0 = [
+      await l1Provider.getBalance(l1Signer.address),
+      await l2Provider.getBalance(l1Signer.address)
+   ]
+   ```
+
+1. Transfer 1 gwei.
+
+   ```js
+   tx = await crossChainMessenger.depositETH(1e9)
+   rcpt = await tx.wait()
+   ```
+
+1. Get the balances after the transfer.
+
+   ```js
+   balances1 = [
+      await l1Provider.getBalance(l1Signer.address),
+      await l2Provider.getBalance(l1Signer.address)
+   ]
+   ```
+
+1. See that the L1 balance changed (probably by a lot more than 1 gwei because of the cost of the transaction).
+
+   ```js
+   (balances0[0]-balances1[0])/1e9
+   ```
+
+1. See that the L2 balance changed (it might take a few minutes).  
+
+   ```js
+   ((await l2Provider.getBalance(l1Signer.address))-balances0[1])/1e9
+   ```

docs/op-stack/src/docs/contribute.md

 ---
-title: Contribute to OP Stack
+title: Contribute to the OP Stack
 lang: en-US
 ---
 

go.mod

 module github.com/ethereum-optimism/optimism
 
-go 1.18
+go 1.19
 
 require (
 	github.com/btcsuite/btcd v0.23.3
@@ -9,7 +9,7 @@ require (
 	github.com/docker/docker v20.10.21+incompatible
 	github.com/docker/go-connections v0.4.0
 	github.com/ethereum-optimism/go-ethereum-hdwallet v0.1.3
-	github.com/ethereum/go-ethereum v1.11.2
+	github.com/ethereum/go-ethereum v1.11.4
 	github.com/fsnotify/fsnotify v1.6.0
 	github.com/golang/snappy v0.0.4
 	github.com/google/go-cmp v0.5.9
@@ -69,11 +69,11 @@ require (
 	github.com/francoispqt/gojay v1.2.13 // indirect
 	github.com/gballet/go-libpcsclite v0.0.0-20191108122812-4678299bea08 // indirect
 	github.com/getsentry/sentry-go v0.18.0 // indirect
-	github.com/go-kit/kit v0.10.0 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect
 	github.com/go-stack/stack v1.8.1 // indirect
 	github.com/go-task/slim-sprig v0.0.0-20210107165309-348f09dbbbc0 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
+	github.com/gofrs/flock v0.8.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang-jwt/jwt/v4 v4.4.2 // indirect
 	github.com/golang/mock v1.6.0 // indirect
@@ -86,7 +86,6 @@ require (
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-bexpr v0.1.11 // indirect
 	github.com/hashicorp/golang-lru/v2 v2.0.1 // indirect
-	github.com/holiman/big v0.0.0-20221017200358-a027dc42d04e // indirect
 	github.com/holiman/bloomfilter/v2 v2.0.3 // indirect
 	github.com/huin/goupnp v1.1.0 // indirect
 	github.com/influxdata/influxdb v1.8.3 // indirect
@@ -147,7 +146,6 @@ require (
 	github.com/prometheus/client_model v0.3.0 // indirect
 	github.com/prometheus/common v0.39.0 // indirect
 	github.com/prometheus/procfs v0.9.0 // indirect
-	github.com/prometheus/tsdb v0.10.0 // indirect
 	github.com/quic-go/qpack v0.4.0 // indirect
 	github.com/quic-go/qtls-go1-18 v0.2.0 // indirect
 	github.com/quic-go/qtls-go1-19 v0.2.0 // indirect
@@ -191,6 +189,6 @@ require (
 	nhooyr.io/websocket v1.8.7 // indirect
 )
 
-replace github.com/ethereum/go-ethereum v1.11.2 => github.com/ethereum-optimism/op-geth v1.11.2-de8c5df46.0.20230308025559-13ee9ab9153b
+replace github.com/ethereum/go-ethereum v1.11.4 => github.com/ethereum-optimism/op-geth v1.11.2-de8c5df46.0.20230321002540-11f0554a4313
 
-//replace github.com/ethereum/go-ethereum v1.11.2 => ../go-ethereum
+//replace github.com/ethereum/go-ethereum v1.11.4 => ../go-ethereum

go.sum

@@ -36,40 +36,24 @@ github.com/DATA-DOG/go-sqlmock v1.3.3/go.mod h1:f/Ixk793poVmq4qj/V1dPUg2JEAKC73Q
 github.com/DataDog/zstd v1.5.2 h1:vUG4lAyuPCXO0TLbXvPv7EB7cNK1QV/luu55UHLrrn8=
 github.com/DataDog/zstd v1.5.2/go.mod h1:g4AWEaM3yOg3HYfnJ3YIawPnVdXJh9QME85blwSAmyw=
 github.com/Joker/hpp v1.0.0/go.mod h1:8x5n+M1Hp5hC0g8okX3sR3vFQwynaX/UgSOM9MeBKzY=
-github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go.mod h1:r7JcOSlj0wfOMncg0iLm8Leh48TZaKVeNIfJntJ2wa0=
 github.com/Microsoft/go-winio v0.6.0 h1:slsWYD/zyx7lCXoZVlvQrj0hPTM1HI4+v1sIda2yDvg=
 github.com/Microsoft/go-winio v0.6.0/go.mod h1:cTAf44im0RAYeL23bpB+fzCyDH2MJiz2BO69KH/soAE=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Shopify/goreferrer v0.0.0-20181106222321-ec9c9a553398/go.mod h1:a1uqRtAwp2Xwc6WNPJEufxJ7fx3npB4UV/JOLmbu5I0=
-github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
-github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
 github.com/VictoriaMetrics/fastcache v1.10.0 h1:5hDJnLsKLpnUEToub7ETuRu8RCkb40woBZAUiKonXzY=
 github.com/VictoriaMetrics/fastcache v1.10.0/go.mod h1:tjiYeEfYXCqacuvYw/7UoDIeJaNxq6132xHICNP77w8=
-github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/aead/siphash v1.0.1/go.mod h1:Nywa3cDsYNNK3gaciGTWPwHt0wlpNV15vwmswBAUSII=
-github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
 github.com/ajg/form v1.5.1/go.mod h1:uL1WgH+h2mgNtvBq0339dVnzXdBETtL2LeUXaIv25UY=
 github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
-github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/allegro/bigcache v1.2.1-0.20190218064605-e24eb225f156/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/allegro/bigcache v1.2.1 h1:hg1sY1raCwic3Vnsvje6TT7/pnZba83LeFck5NrFKSc=
 github.com/allegro/bigcache v1.2.1/go.mod h1:Cb/ax3seSYIx7SuZdm2G2xzfwmv3TPSk2ucNfQESPXM=
 github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
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-github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
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-github.com/aryann/difflib v0.0.0-20170710044230-e206f873d14a/go.mod h1:DAHtR1m6lCRdSC2Tm3DSWRPvIPr6xNKyeHdqDQSQT+A=
-github.com/aws/aws-lambda-go v1.13.3/go.mod h1:4UKl9IzQMoD+QF79YdCuzCwp8VbmG4VAQwij/eHl5CU=
-github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
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@@ -78,7 +62,6 @@ github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
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@@ -106,13 +89,10 @@ github.com/btcsuite/websocket v0.0.0-20150119174127-31079b680792/go.mod h1:ghJtE
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@@ -120,10 +100,8 @@ github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWR
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-github.com/cockroachdb/datadriven v0.0.0-20190809214429-80d97fb3cbaa/go.mod h1:zn76sxSg3SzpJ0PPJaLDCu+Bu0Lg3sKTORVIj19EIF8=
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@@ -135,7 +113,6 @@ github.com/cockroachdb/pebble v0.0.0-20230209160836-829675f94811 h1:ytcWPaNPhNoG
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 github.com/containerd/cgroups v1.1.0 h1:v8rEWFl6EoqHB+swVNjVoCJE8o3jX7e8nqBGPLaDFBM=
@@ -143,18 +120,15 @@ github.com/containerd/cgroups v1.1.0/go.mod h1:6ppBcbh/NOOUU+dMKrykgaBnK9lCIBxHq
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@@ -181,7 +155,6 @@ github.com/dgraph-io/ristretto v0.0.2 h1:a5WaUrDa0qm0YrAAS1tUykT5El3kt62KNZZeMxQ
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-github.com/dgryski/go-sip13 v0.0.0-20181026042036-e10d5fee7954/go.mod h1:vAd38F8PWV+bWy6jNmig1y/TA+kYO4g3RSRF0IAv0no=
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@@ -193,14 +166,9 @@ github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDD
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@@ -209,7 +177,6 @@ github.com/elastic/gosigar v0.14.2 h1:Dg80n8cr90OZ7x+bAax/QjoW/XqTI11RmA79ZwIm9/
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@@ -217,10 +184,9 @@ github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7
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@@ -230,8 +196,6 @@ github.com/flynn/noise v1.0.0/go.mod h1:xbMo+0i6+IGbYdJhF31t2eR1BIU0CYc12+BNAKwU
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@@ -262,13 +226,8 @@ github.com/go-errors/errors v1.4.2 h1:J6MZopCL4uSllY1OfXM374weqZFFItUbrImctkmUxI
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
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-github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/kit v0.10.0 h1:dXFJfIHVvUcpSgDOV+Ne6t7jXri8Tfv2uOLHUZ2XNuo=
-github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o=
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-github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
-github.com/go-logfmt/logfmt v0.5.1 h1:otpy5pqBCBZ1ng9RQ0dPu4PN7ba75Y/aA+UpowDyNVA=
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 github.com/go-ole/go-ole v1.2.6 h1:/Fpf6oFPoeFik9ty7siob0G6Ke8QvQEuVcuChpwXzpY=
@@ -283,7 +242,6 @@ github.com/go-playground/universal-translator v0.18.0 h1:82dyy6p4OuJq4/CByFNOn/j
 github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GOhaH6EGOAJShg8Id5JGkI=
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 github.com/go-sourcemap/sourcemap v2.1.3+incompatible h1:W1iEw64niKVGogNgBN3ePyLFfuisuzeidWPMPWmECqU=
-github.com/go-sql-driver/mysql v1.4.0/go.mod h1:zAC/RDZ24gD3HViQzih4MyKcchzm+sOG5ZlKdlhCg5w=
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@@ -301,13 +259,13 @@ github.com/godbus/dbus/v5 v5.0.3/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5x
 github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
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+github.com/gofrs/flock v0.8.1 h1:+gYjHKf32LDeiEEFhQaotPbLuUXjY5ZqxKgXy7n59aw=
+github.com/gofrs/flock v0.8.1/go.mod h1:F1TvTiK9OcQqauNUHlbJvyl9Qa1QvF/gOUDKA14jxHU=
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-github.com/gogo/googleapis v1.1.0/go.mod h1:gf4bu3Q80BeJ6H1S1vYPm8/ELATdvryBaNFGgqEef3s=
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-github.com/gogo/protobuf v1.2.1/go.mod h1:hp+jE20tsWTFYpLwKvXlhS1hjn+gTNwPg2I6zVXpSg4=
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@@ -318,7 +276,6 @@ github.com/golang-jwt/jwt/v4 v4.4.2/go.mod h1:m21LjoU+eqJr34lmDMbreY2eSTRJ1cv77w
 github.com/golang/freetype v0.0.0-20170609003504-e2365dfdc4a0/go.mod h1:E/TSTwGwJL78qG/PmXZO1EjYhfJinVAhrmmHX6Z8B9k=
 github.com/golang/geo v0.0.0-20190916061304-5b978397cfec/go.mod h1:QZ0nwyI2jOfgRAoBvP+ab5aRr7c9x7lhGEJrKvBwjWI=
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-github.com/golang/groupcache v0.0.0-20160516000752-02826c3e7903/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
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@@ -343,7 +300,6 @@ github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaS
 github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw=
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-github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
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@@ -376,7 +332,6 @@ github.com/google/pprof v0.0.0-20210407192527-94a9f03dee38/go.mod h1:kpwsk12EmLe
 github.com/google/pprof v0.0.0-20230207041349-798e818bf904 h1:4/hN5RUoecvl+RmJRE2YxKWtnnQls6rQjjW5oV7qg2U=
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-github.com/google/uuid v1.0.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
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@@ -386,41 +341,22 @@ github.com/googleapis/gax-go/v2 v2.0.3/go.mod h1:LLvjysVCY1JZeum8Z6l8qUty8fiNwE0
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-github.com/hashicorp/go.net v0.0.1/go.mod h1:hjKkEWcCURg++eb33jQU7oqQcI9XDCnUzHA0oac0k90=
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@@ -428,18 +364,11 @@ github.com/hashicorp/golang-lru v0.5.5-0.20210104140557-80c98217689d/go.mod h1:i
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-github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO+LraFDTW64=
-github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
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-github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
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-github.com/hudl/fargo v1.3.0/go.mod h1:y3CKSmjA+wD2gak7sUSXTAoopbhU08POFhmITJgmKTg=
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@@ -454,7 +383,6 @@ github.com/influxdata/influxdb v1.8.3 h1:WEypI1BQFTT4teLM+1qkEcvUi0dAvopAI/ir0vA
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@@ -518,7 +442,6 @@ github.com/kataras/iris/v12 v12.1.8/go.mod h1:LMYy4VlP67TQ3Zgriz8RE2h2kMZV2SgMYb
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@@ -629,7 +548,6 @@ github.com/matttproud/golang_protobuf_extensions v1.0.4/go.mod h1:BSXmuO+STAnVfr
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@@ -776,41 +669,29 @@ github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINE
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@@ -825,12 +706,10 @@ github.com/quic-go/webtransport-go v0.5.1 h1:1eVb7WDWCRoaeTtFHpFBJ6WDN1bSrPrRoW6
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@@ -842,13 +721,10 @@ github.com/russross/blackfriday v1.5.2/go.mod h1:JO/DiYxRf+HjHt06OyowR9PTA263kcR
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@@ -878,14 +754,11 @@ github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeV
 github.com/shurcooL/users v0.0.0-20180125191416-49c67e49c537/go.mod h1:QJTqeLYEDaXHZDBsXlPCDqdhQuJkuw4NOtaxYe3xii4=
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@@ -896,14 +769,10 @@ github.com/spf13/cast v1.3.0/go.mod h1:Qx5cxh0v+4UWYiBimWS+eyWzqEqokIECu5etghLkU
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@@ -930,7 +799,6 @@ github.com/tklauser/go-sysconf v0.3.10/go.mod h1:C8XykCvCb+Gn0oNCWPIlcb0RuglQTYa
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@@ -939,8 +807,6 @@ github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVM
 github.com/ugorji/go/codec v0.0.0-20181204163529-d75b2dcb6bc8/go.mod h1:VFNgLljTbGfSG7qAOspJ7OScBnGdDN/yBr0sguwnwf0=
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 github.com/ugorji/go/codec v1.2.7 h1:YPXUKf7fYbp/y8xloBqZOw2qaVggbfwMlI8WM3wZUJ0=
-github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
-github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/urfave/cli v1.22.9 h1:cv3/KhXGBGjEXLC4bH0sLuJ9BewaAbpk5oyMOveu4pw=
 github.com/urfave/cli v1.22.9/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
@@ -958,7 +824,6 @@ github.com/willf/bitset v1.1.3/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPyS
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.2.0/go.mod h1:anYRn/JVcOK2ZgGU+IjEV4nwlhoK5sQluxsYJ78Id3Y=
-github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xlab/treeprint v0.0.0-20180616005107-d6fb6747feb6/go.mod h1:ce1O1j6UtZfjr22oyGxGLbauSBp2YVXpARAosm7dHBg=
 github.com/xordataexchange/crypt v0.0.3-0.20170626215501-b2862e3d0a77/go.mod h1:aYKd//L2LvnjZzWKhF00oedf4jCCReLcmhLdhm1A27Q=
 github.com/xrash/smetrics v0.0.0-20201216005158-039620a65673 h1:bAn7/zixMGCfxrRTfdpNzjtPYqr8smhKouy9mxVdGPU=
@@ -972,16 +837,11 @@ github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9dec
 github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
 github.com/yusufpapurcu/wmi v1.2.2 h1:KBNDSne4vP5mbSWnJbO+51IMOXJB67QiYCSBrubbPRg=
 github.com/yusufpapurcu/wmi v1.2.2/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
-go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.etcd.io/etcd v0.0.0-20191023171146-3cf2f69b5738/go.mod h1:dnLIgRNXwCJa5e+c6mIZCrds/GIG4ncV9HhK5PX7jPg=
 go.opencensus.io v0.18.0/go.mod h1:vKdFvxhtzZ9onBp9VKHK8z/sRpBMnKAsufL7wlDrCOA=
-go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
-go.opencensus.io v0.20.2/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
 go.uber.org/atomic v1.3.2/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
-go.uber.org/atomic v1.5.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
@@ -993,15 +853,12 @@ go.uber.org/fx v1.19.1/go.mod h1:bGK+AEy7XUwTBkqCsK/vDyFF0JJOA6X5KWpNC0e6qTA=
 go.uber.org/goleak v1.1.11-0.20210813005559-691160354723/go.mod h1:cwTWslyiVhfpKIDGSZEM2HlOvcqm+tG4zioyIeLoqMQ=
 go.uber.org/goleak v1.1.12 h1:gZAh5/EyT/HQwlpkCy6wTpqfH9H8Lz8zbm3dZh+OyzA=
 go.uber.org/multierr v1.1.0/go.mod h1:wR5kodmAFQ0UK8QlbwjlSNy0Z68gJhDJUG5sjR94q/0=
-go.uber.org/multierr v1.3.0/go.mod h1:VgVr7evmIr6uPjLBxg28wmKNXyqE9akIJ5XnfpiKl+4=
 go.uber.org/multierr v1.5.0/go.mod h1:FeouvMocqHpRaaGuG9EjoKcStLC43Zu/fmqdUMPcKYU=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/multierr v1.9.0 h1:7fIwc/ZtS0q++VgcfqFDxSBZVv/Xo49/SYnDFupUwlI=
 go.uber.org/multierr v1.9.0/go.mod h1:X2jQV1h+kxSjClGpnseKVIxpmcjrj7MNnI0bnlfKTVQ=
 go.uber.org/tools v0.0.0-20190618225709-2cfd321de3ee/go.mod h1:vJERXedbb3MVM5f9Ejo0C68/HhF8uaILCdgjnY+goOA=
 go.uber.org/zap v1.9.1/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
-go.uber.org/zap v1.13.0/go.mod h1:zwrFLgMcdUuIBviXEYEH1YKNaOBnKXsx2IPda5bBwHM=
 go.uber.org/zap v1.16.0/go.mod h1:MA8QOfq0BHJwdXa996Y4dYkAqRKB8/1K1QMMZVaNZjQ=
 go.uber.org/zap v1.19.1/go.mod h1:j3DNczoxDZroyBnOT1L/Q79cfUMGZxlv/9dzN7SM1rI=
 go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
@@ -1010,7 +867,6 @@ go4.org v0.0.0-20180809161055-417644f6feb5/go.mod h1:MkTOUMDaeVYJUOUsaDXIhWPZYa1
 golang.org/x/build v0.0.0-20190111050920-041ab4dc3f9d/go.mod h1:OWs+y06UdEOHN4y+MfF/py+xQ/tYqIWW03b70/CG9Rw=
 golang.org/x/crypto v0.0.0-20170930174604-9419663f5a44/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
-golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181030102418-4d3f4d9ffa16/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181203042331-505ab145d0a9/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -1070,14 +926,11 @@ golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181011144130-49bb7cea24b1/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181029044818-c44066c5c816/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181106065722-10aee1819953/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190313220215-9f648a60d977/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -1089,7 +942,6 @@ golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR
 golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190724013045-ca1201d0de80/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
-golang.org/x/net v0.0.0-20190813141303-74dc4d7220e7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190827160401-ba9fcec4b297/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20191209160850-c0dbc17a3553/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
@@ -1126,15 +978,11 @@ golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.1.0 h1:wsuoTGHzEhffawBOhz5CYhcrV4IdKZbEyZjBMuTp12o=
 golang.org/x/sync v0.1.0/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181026203630-95b1ffbd15a5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181029174526-d69651ed3497/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181205085412-a5c9d58dba9a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@@ -1143,7 +991,6 @@ golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190316082340-a2f829d7f35f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190405154228-4b34438f7a67/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1151,14 +998,12 @@ golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190826190057-c7b8b68b1456/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191120155948-bd437916bb0e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20191220142924-d4481acd189f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200107162124-548cf772de50/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -1220,7 +1065,6 @@ golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/time v0.0.0-20220922220347-f3bd1da661af h1:Yx9k8YCG3dvF87UAn2tu2HQLf2dt/eR1bXxpLMWeH+Y=
 golang.org/x/time v0.0.0-20220922220347-f3bd1da661af/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
-golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180525024113-a5b4c53f6e8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180828015842-6cd1fcedba52/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
@@ -1252,7 +1096,6 @@ golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtn
 golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/tools v0.0.0-20191216173652-a0e659d51361/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20191227053925-7b8e75db28f4/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
-golang.org/x/tools v0.0.0-20200103221440-774c71fcf114/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200108203644-89082a384178/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200130002326-2f3ba24bd6e7/go.mod h1:TB2adYChydJhpapKDTa4BR/hXlZSLoq2Wpct/0txZ28=
 golang.org/x/tools v0.0.0-20200619180055-7c47624df98f/go.mod h1:EkVYQZoAsY45+roYkvgYkIh4xh/qjgUK9TdY2XT94GE=
@@ -1279,7 +1122,6 @@ gonum.org/v1/plot v0.0.0-20190515093506-e2840ee46a6b/go.mod h1:Wt8AAjI+ypCyYX3nZ
 google.golang.org/api v0.0.0-20180910000450-7ca32eb868bf/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.0.0-20181030000543-1d582fd0359e/go.mod h1:4mhQ8q/RsB7i+udVvVy5NUi08OU8ZlA0gRVgrF7VFY0=
 google.golang.org/api v0.1.0/go.mod h1:UGEZY7KEX120AnNLIHFMKIo4obdJhkp2tPbaPlQx13Y=
-google.golang.org/api v0.3.1/go.mod h1:6wY9I6uQWHQ8EM57III9mq/AjF+i8G65rmVagqKMtkk=
 google.golang.org/api v0.4.0/go.mod h1:8k5glujaEP+g9n7WNsDg8QP6cUVNI86fCNMcbazEtwE=
 google.golang.org/api v0.7.0/go.mod h1:WtwebWUNSVBH/HAw79HIFXZNqEvBhG+Ra+ax0hx3E3M=
 google.golang.org/api v0.8.0/go.mod h1:o4eAsZoiT+ibD93RtjEohWalFOjRDx6CVaqeizhEnKg=
@@ -1304,7 +1146,6 @@ google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRn
 google.golang.org/genproto v0.0.0-20190418145605-e7d98fc518a7/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190425155659-357c62f0e4bb/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
 google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
-google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/genproto v0.0.0-20190716160619-c506a9f90610/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190801165951-fa694d86fc64/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
@@ -1321,13 +1162,9 @@ google.golang.org/grpc v1.14.0/go.mod h1:yo6s7OP7yaDglbqo1J04qKzAhqBH6lvTonzMVmE
 google.golang.org/grpc v1.16.0/go.mod h1:0JHn/cJsOMiMfNA9+DeHDlAU7KAAB5GDlYFpa9MZMio=
 google.golang.org/grpc v1.17.0/go.mod h1:6QZJwpn2B+Zp71q/5VxRsJ6NXXVCE5NRUHRo+f3cWCs=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.0/go.mod h1:chYK+tFQF0nDUGJgXMSgLCQk3phJEuONr2DCgLDdAQM=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
-google.golang.org/grpc v1.21.0/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-google.golang.org/grpc v1.22.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
-google.golang.org/grpc v1.23.1/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=
 google.golang.org/grpc v1.26.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
@@ -1351,10 +1188,8 @@ gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
-gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/gcfg.v1 v1.2.3/go.mod h1:yesOnuUOFQAhST5vPY4nbZsb/huCgGGXlipJsBn0b3o=
 gopkg.in/go-playground/assert.v1 v1.2.1/go.mod h1:9RXL0bg/zibRAgZUYszZSwO/z8Y/a8bDuhia5mkpMnE=
 gopkg.in/go-playground/validator.v8 v8.18.2/go.mod h1:RX2a/7Ha8BgOhfk7j780h4/u/RRjR0eouCJSH80/M2Y=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
@@ -1362,11 +1197,8 @@ gopkg.in/ini.v1 v1.51.1/go.mod h1:pNLf8WUiyNEtQjuu5G5vTm06TEv9tsIgeAvK8hOrP4k=
 gopkg.in/mgo.v2 v2.0.0-20180705113604-9856a29383ce/go.mod h1:yeKp02qBN3iKW1OzL3MGk2IdtZzaj7SFntXj72NppTA=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce h1:+JknDZhAj8YMt7GC73Ei8pv4MzjDUNPHgQWJdtMAaDU=
 gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
-gopkg.in/resty.v1 v1.12.0/go.mod h1:mDo4pnntr5jdWRML875a/NmxYqAlA73dVijT2AXvQQo=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
-gopkg.in/yaml.v2 v2.0.0-20170812160011-eb3733d160e7/go.mod h1:JAlM8MvJe8wmxCU4Bli9HhUf9+ttbYbLASfIpnQbh74=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
@@ -1394,7 +1226,5 @@ nhooyr.io/websocket v1.8.7 h1:usjR2uOr/zjjkVMy0lW+PPohFok7PCow5sDjLgX4P4g=
 nhooyr.io/websocket v1.8.7/go.mod h1:B70DZP8IakI65RVQ51MsWP/8jndNma26DVA/nFSCgW0=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
 rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
-sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=
-sourcegraph.com/sourcegraph/appdash v0.0.0-20190731080439-ebfcffb1b5c0/go.mod h1:hI742Nqp5OhwiqlzhgfbWU4mW4yO10fP+LoT9WOswdU=
 sourcegraph.com/sourcegraph/go-diff v0.5.0/go.mod h1:kuch7UrkMzY0X+p9CRK03kfuPQ2zzQcaEFbx8wA8rck=
 sourcegraph.com/sqs/pbtypes v0.0.0-20180604144634-d3ebe8f20ae4/go.mod h1:ketZ/q3QxT9HOBeFhu6RdvsftgpsbFHBF5Cas6cDKZ0=

op-batcher/Dockerfile

-FROM --platform=$BUILDPLATFORM golang:1.18.0-alpine3.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.19.0-alpine3.15 as builder
 
 ARG VERSION=v0.0.0
 

op-batcher/Makefile

@@ -19,8 +19,19 @@ test:
 lint:
 	golangci-lint run -E goimports,sqlclosecheck,bodyclose,asciicheck,misspell,errorlint -e "errors.As" -e "errors.Is"
 
+fuzz:
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzChannelConfig_CheckTimeout ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzDurationZero ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzDurationTimeoutMaxChannelDuration ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzDurationTimeoutZeroMaxChannelDuration ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzChannelCloseTimeout ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzChannelZeroCloseTimeout ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzSeqWindowClose ./batcher
+	go test -run NOTAREALTEST -v -fuzztime 10s -fuzz FuzzSeqWindowZeroTimeoutClose ./batcher
+
 .PHONY: \
 	op-batcher \
 	clean \
 	test \
-	lint
+	lint \
+	fuzz

op-batcher/batcher/batch_submitter.go

@@ -12,9 +12,9 @@ import (
 	gethrpc "github.com/ethereum/go-ethereum/rpc"
 	"github.com/urfave/cli"
 
+	"github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-batcher/rpc"
 	oplog "github.com/ethereum-optimism/optimism/op-service/log"
-	opmetrics "github.com/ethereum-optimism/optimism/op-service/metrics"
 	oppprof "github.com/ethereum-optimism/optimism/op-service/pprof"
 	oprpc "github.com/ethereum-optimism/optimism/op-service/rpc"
 )
@@ -36,9 +36,10 @@ func Main(version string, cliCtx *cli.Context) error {
 	}
 
 	l := oplog.NewLogger(cfg.LogConfig)
+	m := metrics.NewMetrics("default")
 	l.Info("Initializing Batch Submitter")
 
-	batchSubmitter, err := NewBatchSubmitterFromCLIConfig(cfg, l)
+	batchSubmitter, err := NewBatchSubmitterFromCLIConfig(cfg, l, m)
 	if err != nil {
 		l.Error("Unable to create Batch Submitter", "error", err)
 		return err
@@ -64,16 +65,15 @@ func Main(version string, cliCtx *cli.Context) error {
 		}()
 	}
 
-	registry := opmetrics.NewRegistry()
 	metricsCfg := cfg.MetricsConfig
 	if metricsCfg.Enabled {
 		l.Info("starting metrics server", "addr", metricsCfg.ListenAddr, "port", metricsCfg.ListenPort)
 		go func() {
-			if err := opmetrics.ListenAndServe(ctx, registry, metricsCfg.ListenAddr, metricsCfg.ListenPort); err != nil {
+			if err := m.Serve(ctx, metricsCfg.ListenAddr, metricsCfg.ListenPort); err != nil {
 				l.Error("error starting metrics server", err)
 			}
 		}()
-		opmetrics.LaunchBalanceMetrics(ctx, l, registry, "", batchSubmitter.L1Client, batchSubmitter.From)
+		m.StartBalanceMetrics(ctx, l, batchSubmitter.L1Client, batchSubmitter.From)
 	}
 
 	rpcCfg := cfg.RPCConfig
@@ -95,6 +95,9 @@ func Main(version string, cliCtx *cli.Context) error {
 		return fmt.Errorf("error starting RPC server: %w", err)
 	}
 
+	m.RecordInfo(version)
+	m.RecordUp()
+
 	interruptChannel := make(chan os.Signal, 1)
 	signal.Notify(interruptChannel, []os.Signal{
 		os.Interrupt,

op-batcher/batcher/channel_builder.go

@@ -12,7 +12,6 @@ import (
 )
 
 var (
-	ErrInvalidMaxFrameSize   = errors.New("max frame size cannot be zero")
 	ErrInvalidChannelTimeout = errors.New("channel timeout is less than the safety margin")
 	ErrInputTargetReached    = errors.New("target amount of input data reached")
 	ErrMaxFrameIndex         = errors.New("max frame index reached (uint16)")
@@ -82,7 +81,15 @@ func (cc *ChannelConfig) Check() error {
 	// will infinitely loop when trying to create frames in the
 	// [channelBuilder.OutputFrames] function.
 	if cc.MaxFrameSize == 0 {
-		return ErrInvalidMaxFrameSize
+		return errors.New("max frame size cannot be zero")
+	}
+
+	// If the [MaxFrameSize] is less than [FrameV0OverHeadSize], the channel
+	// out will underflow the maxSize variable in the [derive.ChannelOut].
+	// Since it is of type uint64, it will wrap around to a very large
+	// number, making the frame size extremely large.
+	if cc.MaxFrameSize < derive.FrameV0OverHeadSize {
+		return fmt.Errorf("max frame size %d is less than the minimum 23", cc.MaxFrameSize)
 	}
 
 	return nil
@@ -127,8 +134,12 @@ type channelBuilder struct {
 	blocks []*types.Block
 	// frames data queue, to be send as txs
 	frames []frameData
+	// total amount of output data of all frames created yet
+	outputBytes int
 }
 
+// newChannelBuilder creates a new channel builder or returns an error if the
+// channel out could not be created.
 func newChannelBuilder(cfg ChannelConfig) (*channelBuilder, error) {
 	co, err := derive.NewChannelOut()
 	if err != nil {
@@ -145,11 +156,21 @@ func (c *channelBuilder) ID() derive.ChannelID {
 	return c.co.ID()
 }
 
-// InputBytes returns to total amount of input bytes added to the channel.
+// InputBytes returns the total amount of input bytes added to the channel.
 func (c *channelBuilder) InputBytes() int {
 	return c.co.InputBytes()
 }
 
+// ReadyBytes returns the amount of bytes ready in the compression pipeline to
+// output into a frame.
+func (c *channelBuilder) ReadyBytes() int {
+	return c.co.ReadyBytes()
+}
+
+func (c *channelBuilder) OutputBytes() int {
+	return c.outputBytes
+}
+
 // Blocks returns a backup list of all blocks that were added to the channel. It
 // can be used in case the channel needs to be rebuilt.
 func (c *channelBuilder) Blocks() []*types.Block {
@@ -173,22 +194,25 @@ func (c *channelBuilder) Reset() error {
 // AddBlock returns a ChannelFullError if called even though the channel is
 // already full. See description of FullErr for details.
 //
+// AddBlock also returns the L1BlockInfo that got extracted from the block's
+// first transaction for subsequent use by the caller.
+//
 // Call OutputFrames() afterwards to create frames.
-func (c *channelBuilder) AddBlock(block *types.Block) error {
+func (c *channelBuilder) AddBlock(block *types.Block) (derive.L1BlockInfo, error) {
 	if c.IsFull() {
-		return c.FullErr()
+		return derive.L1BlockInfo{}, c.FullErr()
 	}
 
-	batch, err := derive.BlockToBatch(block)
+	batch, l1info, err := derive.BlockToBatch(block)
 	if err != nil {
-		return fmt.Errorf("converting block to batch: %w", err)
+		return l1info, fmt.Errorf("converting block to batch: %w", err)
 	}
 
 	if _, err = c.co.AddBatch(batch); errors.Is(err, derive.ErrTooManyRLPBytes) {
 		c.setFullErr(err)
-		return c.FullErr()
+		return l1info, c.FullErr()
 	} else if err != nil {
-		return fmt.Errorf("adding block to channel out: %w", err)
+		return l1info, fmt.Errorf("adding block to channel out: %w", err)
 	}
 	c.blocks = append(c.blocks, block)
 	c.updateSwTimeout(batch)
@@ -198,7 +222,7 @@ func (c *channelBuilder) AddBlock(block *types.Block) error {
 		// Adding this block still worked, so don't return error, just mark as full
 	}
 
-	return nil
+	return l1info, nil
 }
 
 // Timeout management
@@ -255,7 +279,7 @@ func (c *channelBuilder) updateTimeout(timeoutBlockNum uint64, reason error) {
 }
 
 // checkTimeout checks if the channel is timed out at the given block number and
-// in this case marks the channel as full, if it wasn't full alredy.
+// in this case marks the channel as full, if it wasn't full already.
 func (c *channelBuilder) checkTimeout(blockNum uint64) {
 	if !c.IsFull() && c.TimedOut(blockNum) {
 		c.setFullErr(c.timeoutReason)
@@ -370,10 +394,11 @@ func (c *channelBuilder) outputFrame() error {
 	}
 
 	frame := frameData{
-		id:   txID{chID: c.co.ID(), frameNumber: fn},
+		id:   frameID{chID: c.co.ID(), frameNumber: fn},
 		data: buf.Bytes(),
 	}
 	c.frames = append(c.frames, frame)
+	c.outputBytes += len(frame.data)
 	return err // possibly io.EOF (last frame)
 }
 

op-batcher/batcher/channel_builder_test.go

 package batcher
 
 import (
+	"bytes"
+	"errors"
+	"fmt"
+	"math"
+	"math/big"
+	"math/rand"
 	"testing"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
+	dtest "github.com/ethereum-optimism/optimism/op-node/rollup/derive/test"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/trie"
 
 	"github.com/stretchr/testify/require"
 )
 
-// defaultChannelConfig returns a valid, default [ChannelConfig] struct.
-func defaultChannelConfig() ChannelConfig {
-	return ChannelConfig{
+var defaultTestChannelConfig = ChannelConfig{
 	SeqWindowSize:      15,
 	ChannelTimeout:     40,
 	MaxChannelDuration: 1,
@@ -17,24 +31,720 @@ func defaultChannelConfig() ChannelConfig {
 	TargetFrameSize:    100000,
 	TargetNumFrames:    1,
 	ApproxComprRatio:   0.4,
+}
+
+// TestChannelConfig_Check tests the [ChannelConfig] [Check] function.
+func TestChannelConfig_Check(t *testing.T) {
+	type test struct {
+		input     ChannelConfig
+		assertion func(error)
+	}
+
+	// Construct test cases that test the boundary conditions
+	zeroChannelConfig := defaultTestChannelConfig
+	zeroChannelConfig.MaxFrameSize = 0
+	timeoutChannelConfig := defaultTestChannelConfig
+	timeoutChannelConfig.ChannelTimeout = 0
+	timeoutChannelConfig.SubSafetyMargin = 1
+	tests := []test{
+		{
+			input: defaultTestChannelConfig,
+			assertion: func(output error) {
+				require.NoError(t, output)
+			},
+		},
+		{
+			input: timeoutChannelConfig,
+			assertion: func(output error) {
+				require.ErrorIs(t, output, ErrInvalidChannelTimeout)
+			},
+		},
+		{
+			input: zeroChannelConfig,
+			assertion: func(output error) {
+				require.EqualError(t, output, "max frame size cannot be zero")
+			},
+		},
+	}
+	for i := 1; i < derive.FrameV0OverHeadSize; i++ {
+		smallChannelConfig := defaultTestChannelConfig
+		smallChannelConfig.MaxFrameSize = uint64(i)
+		expectedErr := fmt.Sprintf("max frame size %d is less than the minimum 23", i)
+		tests = append(tests, test{
+			input: smallChannelConfig,
+			assertion: func(output error) {
+				require.EqualError(t, output, expectedErr)
+			},
+		})
+	}
+
+	// Run the table tests
+	for _, test := range tests {
+		test.assertion(test.input.Check())
+	}
+}
+
+// FuzzChannelConfig_CheckTimeout tests the [ChannelConfig] [Check] function
+// with fuzzing to make sure that a [ErrInvalidChannelTimeout] is thrown when
+// the [ChannelTimeout] is less than the [SubSafetyMargin].
+func FuzzChannelConfig_CheckTimeout(f *testing.F) {
+	for i := range [10]int{} {
+		f.Add(uint64(i+1), uint64(i))
+	}
+	f.Fuzz(func(t *testing.T, channelTimeout uint64, subSafetyMargin uint64) {
+		// We only test where [ChannelTimeout] is less than the [SubSafetyMargin]
+		// So we cannot have [ChannelTimeout] be [math.MaxUint64]
+		if channelTimeout == math.MaxUint64 {
+			channelTimeout = math.MaxUint64 - 1
+		}
+		if subSafetyMargin <= channelTimeout {
+			subSafetyMargin = channelTimeout + 1
+		}
+
+		channelConfig := defaultTestChannelConfig
+		channelConfig.ChannelTimeout = channelTimeout
+		channelConfig.SubSafetyMargin = subSafetyMargin
+		require.ErrorIs(t, channelConfig.Check(), ErrInvalidChannelTimeout)
+	})
+}
+
+// addMiniBlock adds a minimal valid L2 block to the channel builder using the
+// channelBuilder.AddBlock method.
+func addMiniBlock(cb *channelBuilder) error {
+	a := newMiniL2Block(0)
+	_, err := cb.AddBlock(a)
+	return err
+}
+
+// newMiniL2Block returns a minimal L2 block with a minimal valid L1InfoDeposit
+// transaction as first transaction. Both blocks are minimal in the sense that
+// most fields are left at defaults or are unset.
+//
+// If numTx > 0, that many empty DynamicFeeTxs will be added to the txs.
+func newMiniL2Block(numTx int) *types.Block {
+	return newMiniL2BlockWithNumberParent(numTx, new(big.Int), (common.Hash{}))
+}
+
+// newMiniL2Block returns a minimal L2 block with a minimal valid L1InfoDeposit
+// transaction as first transaction. Both blocks are minimal in the sense that
+// most fields are left at defaults or are unset. Block number and parent hash
+// will be set to the given parameters number and parent.
+//
+// If numTx > 0, that many empty DynamicFeeTxs will be added to the txs.
+func newMiniL2BlockWithNumberParent(numTx int, number *big.Int, parent common.Hash) *types.Block {
+	l1Block := types.NewBlock(&types.Header{
+		BaseFee:    big.NewInt(10),
+		Difficulty: common.Big0,
+		Number:     big.NewInt(100),
+	}, nil, nil, nil, trie.NewStackTrie(nil))
+	l1InfoTx, err := derive.L1InfoDeposit(0, l1Block, eth.SystemConfig{}, false)
+	if err != nil {
+		panic(err)
+	}
+
+	txs := make([]*types.Transaction, 0, 1+numTx)
+	txs = append(txs, types.NewTx(l1InfoTx))
+	for i := 0; i < numTx; i++ {
+		txs = append(txs, types.NewTx(&types.DynamicFeeTx{}))
+	}
+
+	return types.NewBlock(&types.Header{
+		Number:     number,
+		ParentHash: parent,
+	}, txs, nil, nil, trie.NewStackTrie(nil))
+}
+
+// addTooManyBlocks adds blocks to the channel until it hits an error,
+// which is presumably ErrTooManyRLPBytes.
+func addTooManyBlocks(cb *channelBuilder) error {
+	for i := 0; i < 10_000; i++ {
+		block := newMiniL2Block(100)
+		_, err := cb.AddBlock(block)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// FuzzDurationTimeoutZeroMaxChannelDuration ensures that when whenever the MaxChannelDuration
+// is set to 0, the channel builder cannot have a duration timeout.
+func FuzzDurationTimeoutZeroMaxChannelDuration(f *testing.F) {
+	for i := range [10]int{} {
+		f.Add(uint64(i))
+	}
+	f.Fuzz(func(t *testing.T, l1BlockNum uint64) {
+		channelConfig := defaultTestChannelConfig
+		channelConfig.MaxChannelDuration = 0
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
+		cb.timeout = 0
+		cb.updateDurationTimeout(l1BlockNum)
+		require.False(t, cb.TimedOut(l1BlockNum))
+	})
+}
+
+// FuzzChannelBuilder_DurationZero ensures that when whenever the MaxChannelDuration
+// is not set to 0, the channel builder will always have a duration timeout
+// as long as the channel builder's timeout is set to 0.
+func FuzzChannelBuilder_DurationZero(f *testing.F) {
+	for i := range [10]int{} {
+		f.Add(uint64(i), uint64(i))
+	}
+	f.Fuzz(func(t *testing.T, l1BlockNum uint64, maxChannelDuration uint64) {
+		if maxChannelDuration == 0 {
+			t.Skip("Max channel duration cannot be 0")
+		}
+
+		// Create the channel builder
+		channelConfig := defaultTestChannelConfig
+		channelConfig.MaxChannelDuration = maxChannelDuration
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
+
+		// Whenever the timeout is set to 0, the channel builder should have a duration timeout
+		cb.timeout = 0
+		cb.updateDurationTimeout(l1BlockNum)
+		cb.checkTimeout(l1BlockNum + maxChannelDuration)
+		require.ErrorIs(t, cb.FullErr(), ErrMaxDurationReached)
+	})
+}
+
+// FuzzDurationTimeoutMaxChannelDuration ensures that when whenever the MaxChannelDuration
+// is not set to 0, the channel builder will always have a duration timeout
+// as long as the channel builder's timeout is greater than the target block number.
+func FuzzDurationTimeoutMaxChannelDuration(f *testing.F) {
+	// Set multiple seeds in case fuzzing isn't explicitly used
+	for i := range [10]int{} {
+		f.Add(uint64(i), uint64(i), uint64(i))
+	}
+	f.Fuzz(func(t *testing.T, l1BlockNum uint64, maxChannelDuration uint64, timeout uint64) {
+		if maxChannelDuration == 0 {
+			t.Skip("Max channel duration cannot be 0")
+		}
+
+		// Create the channel builder
+		channelConfig := defaultTestChannelConfig
+		channelConfig.MaxChannelDuration = maxChannelDuration
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
+
+		// Whenever the timeout is greater than the l1BlockNum,
+		// the channel builder should have a duration timeout
+		cb.timeout = timeout
+		cb.updateDurationTimeout(l1BlockNum)
+		if timeout > l1BlockNum+maxChannelDuration {
+			// Notice: we cannot call this outside of the if statement
+			// because it would put the channel builder in an invalid state.
+			// That is, where the channel builder has a value set for the timeout
+			// with no timeoutReason. This subsequently causes a panic when
+			// a nil timeoutReason is used as an error (eg when calling FullErr).
+			cb.checkTimeout(l1BlockNum + maxChannelDuration)
+			require.ErrorIs(t, cb.FullErr(), ErrMaxDurationReached)
+		} else {
+			require.NoError(t, cb.FullErr())
+		}
+	})
+}
+
+// FuzzChannelCloseTimeout ensures that the channel builder has a [ErrChannelTimeoutClose]
+// as long as the timeout constraint is met and the builder's timeout is greater than
+// the calculated timeout
+func FuzzChannelCloseTimeout(f *testing.F) {
+	// Set multiple seeds in case fuzzing isn't explicitly used
+	for i := range [10]int{} {
+		f.Add(uint64(i), uint64(i), uint64(i), uint64(i*5))
 	}
+	f.Fuzz(func(t *testing.T, l1BlockNum uint64, channelTimeout uint64, subSafetyMargin uint64, timeout uint64) {
+		// Create the channel builder
+		channelConfig := defaultTestChannelConfig
+		channelConfig.ChannelTimeout = channelTimeout
+		channelConfig.SubSafetyMargin = subSafetyMargin
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
+
+		// Check the timeout
+		cb.timeout = timeout
+		cb.FramePublished(l1BlockNum)
+		calculatedTimeout := l1BlockNum + channelTimeout - subSafetyMargin
+		if timeout > calculatedTimeout && calculatedTimeout != 0 {
+			cb.checkTimeout(calculatedTimeout)
+			require.ErrorIs(t, cb.FullErr(), ErrChannelTimeoutClose)
+		} else {
+			require.NoError(t, cb.FullErr())
+		}
+	})
+}
+
+// FuzzChannelZeroCloseTimeout ensures that the channel builder has a [ErrChannelTimeoutClose]
+// as long as the timeout constraint is met and the builder's timeout is set to zero.
+func FuzzChannelZeroCloseTimeout(f *testing.F) {
+	// Set multiple seeds in case fuzzing isn't explicitly used
+	for i := range [10]int{} {
+		f.Add(uint64(i), uint64(i), uint64(i))
+	}
+	f.Fuzz(func(t *testing.T, l1BlockNum uint64, channelTimeout uint64, subSafetyMargin uint64) {
+		// Create the channel builder
+		channelConfig := defaultTestChannelConfig
+		channelConfig.ChannelTimeout = channelTimeout
+		channelConfig.SubSafetyMargin = subSafetyMargin
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
+
+		// Check the timeout
+		cb.timeout = 0
+		cb.FramePublished(l1BlockNum)
+		calculatedTimeout := l1BlockNum + channelTimeout - subSafetyMargin
+		cb.checkTimeout(calculatedTimeout)
+		if cb.timeout != 0 {
+			require.ErrorIs(t, cb.FullErr(), ErrChannelTimeoutClose)
+		}
+	})
 }
 
-// TestConfigValidation tests the validation of the [ChannelConfig] struct.
-func TestConfigValidation(t *testing.T) {
-	// Construct a valid config.
-	validChannelConfig := defaultChannelConfig()
-	require.NoError(t, validChannelConfig.Check())
+// FuzzSeqWindowClose ensures that the channel builder has a [ErrSeqWindowClose]
+// as long as the timeout constraint is met and the builder's timeout is greater than
+// the calculated timeout
+func FuzzSeqWindowClose(f *testing.F) {
+	// Set multiple seeds in case fuzzing isn't explicitly used
+	for i := range [10]int{} {
+		f.Add(uint64(i), uint64(i), uint64(i), uint64(i*5))
+	}
+	f.Fuzz(func(t *testing.T, epochNum uint64, seqWindowSize uint64, subSafetyMargin uint64, timeout uint64) {
+		// Create the channel builder
+		channelConfig := defaultTestChannelConfig
+		channelConfig.SeqWindowSize = seqWindowSize
+		channelConfig.SubSafetyMargin = subSafetyMargin
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
 
-	// Set the config to have a zero max frame size.
-	validChannelConfig.MaxFrameSize = 0
-	require.ErrorIs(t, validChannelConfig.Check(), ErrInvalidMaxFrameSize)
+		// Check the timeout
+		cb.timeout = timeout
+		cb.updateSwTimeout(&derive.BatchData{
+			BatchV1: derive.BatchV1{
+				EpochNum: rollup.Epoch(epochNum),
+			},
+		})
+		calculatedTimeout := epochNum + seqWindowSize - subSafetyMargin
+		if timeout > calculatedTimeout && calculatedTimeout != 0 {
+			cb.checkTimeout(calculatedTimeout)
+			require.ErrorIs(t, cb.FullErr(), ErrSeqWindowClose)
+		} else {
+			require.NoError(t, cb.FullErr())
+		}
+	})
+}
+
+// FuzzSeqWindowZeroTimeoutClose ensures that the channel builder has a [ErrSeqWindowClose]
+// as long as the timeout constraint is met and the builder's timeout is set to zero.
+func FuzzSeqWindowZeroTimeoutClose(f *testing.F) {
+	// Set multiple seeds in case fuzzing isn't explicitly used
+	for i := range [10]int{} {
+		f.Add(uint64(i), uint64(i), uint64(i))
+	}
+	f.Fuzz(func(t *testing.T, epochNum uint64, seqWindowSize uint64, subSafetyMargin uint64) {
+		// Create the channel builder
+		channelConfig := defaultTestChannelConfig
+		channelConfig.SeqWindowSize = seqWindowSize
+		channelConfig.SubSafetyMargin = subSafetyMargin
+		cb, err := newChannelBuilder(channelConfig)
+		require.NoError(t, err)
+
+		// Check the timeout
+		cb.timeout = 0
+		cb.updateSwTimeout(&derive.BatchData{
+			BatchV1: derive.BatchV1{
+				EpochNum: rollup.Epoch(epochNum),
+			},
+		})
+		calculatedTimeout := epochNum + seqWindowSize - subSafetyMargin
+		cb.checkTimeout(calculatedTimeout)
+		if cb.timeout != 0 {
+			require.ErrorIs(t, cb.FullErr(), ErrSeqWindowClose, "Sequence window close should be reached")
+		}
+	})
+}
+
+// TestChannelBuilder_NextFrame tests calling NextFrame on a ChannelBuilder with only one frame
+func TestChannelBuilder_NextFrame(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Create a new channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Mock the internals of `channelBuilder.outputFrame`
+	// to construct a single frame
+	co := cb.co
+	var buf bytes.Buffer
+	fn, err := co.OutputFrame(&buf, channelConfig.MaxFrameSize)
+	require.NoError(t, err)
+
+	// Push one frame into to the channel builder
+	expectedTx := txID{chID: co.ID(), frameNumber: fn}
+	expectedBytes := buf.Bytes()
+	frameData := frameData{
+		id: frameID{
+			chID:        co.ID(),
+			frameNumber: fn,
+		},
+		data: expectedBytes,
+	}
+	cb.PushFrame(frameData)
+
+	// There should only be 1 frame in the channel builder
+	require.Equal(t, 1, cb.NumFrames())
+
+	// We should be able to increment to the next frame
+	constructedFrame := cb.NextFrame()
+	require.Equal(t, expectedTx, constructedFrame.id)
+	require.Equal(t, expectedBytes, constructedFrame.data)
+	require.Equal(t, 0, cb.NumFrames())
+
+	// The next call should panic since the length of frames is 0
+	require.PanicsWithValue(t, "no next frame", func() { cb.NextFrame() })
+}
+
+// TestChannelBuilder_OutputWrongFramePanic tests that a panic is thrown when a frame is pushed with an invalid frame id
+func TestChannelBuilder_OutputWrongFramePanic(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Construct a channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Mock the internals of `channelBuilder.outputFrame`
+	// to construct a single frame
+	co, err := derive.NewChannelOut()
+	require.NoError(t, err)
+	var buf bytes.Buffer
+	fn, err := co.OutputFrame(&buf, channelConfig.MaxFrameSize)
+	require.NoError(t, err)
+
+	// The frame push should panic since we constructed a new channel out
+	// so the channel out id won't match
+	require.PanicsWithValue(t, "wrong channel", func() {
+		frame := frameData{
+			id: frameID{
+				chID:        co.ID(),
+				frameNumber: fn,
+			},
+			data: buf.Bytes(),
+		}
+		cb.PushFrame(frame)
+	})
+}
+
+// TestChannelBuilder_OutputFramesWorks tests the [ChannelBuilder] OutputFrames is successful.
+func TestChannelBuilder_OutputFramesWorks(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+	channelConfig.MaxFrameSize = 24
+
+	// Construct the channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+	require.False(t, cb.IsFull())
+	require.Equal(t, 0, cb.NumFrames())
+
+	// Calling OutputFrames without having called [AddBlock]
+	// should return no error
+	require.NoError(t, cb.OutputFrames())
+
+	// There should be no ready bytes yet
+	require.Equal(t, 0, cb.co.ReadyBytes())
+
+	// Let's add a block
+	require.NoError(t, addMiniBlock(cb))
+	require.NoError(t, cb.co.Flush())
+
+	// Check how many ready bytes
+	// There should be more than the max frame size ready
+	require.Greater(t, uint64(cb.co.ReadyBytes()), channelConfig.MaxFrameSize)
+	require.Equal(t, 0, cb.NumFrames())
+
+	// The channel should not be full
+	// but we want to output the frames for testing anyways
+	require.False(t, cb.IsFull())
+
+	// We should be able to output the frames
+	require.NoError(t, cb.OutputFrames())
+
+	// There should be many frames in the channel builder now
+	require.Greater(t, cb.NumFrames(), 1)
+	for _, frame := range cb.frames {
+		require.Len(t, frame.data, int(channelConfig.MaxFrameSize))
+	}
+}
+
+// TestChannelBuilder_MaxRLPBytesPerChannel tests the [channelBuilder.OutputFrames]
+// function errors when the max RLP bytes per channel is reached.
+func TestChannelBuilder_MaxRLPBytesPerChannel(t *testing.T) {
+	t.Parallel()
+	channelConfig := defaultTestChannelConfig
+	channelConfig.MaxFrameSize = derive.MaxRLPBytesPerChannel * 2
+	channelConfig.TargetFrameSize = derive.MaxRLPBytesPerChannel * 2
+	channelConfig.ApproxComprRatio = 1
+
+	// Construct the channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Add a block that overflows the [ChannelOut]
+	err = addTooManyBlocks(cb)
+	require.ErrorIs(t, err, derive.ErrTooManyRLPBytes)
+}
+
+// TestChannelBuilder_OutputFramesMaxFrameIndex tests the [ChannelBuilder.OutputFrames]
+// function errors when the max frame index is reached.
+func TestChannelBuilder_OutputFramesMaxFrameIndex(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+	channelConfig.MaxFrameSize = 24
+	channelConfig.TargetNumFrames = math.MaxInt
+	channelConfig.TargetFrameSize = 24
+	channelConfig.ApproxComprRatio = 0
+
+	// Continuously add blocks until the max frame index is reached
+	// This should cause the [channelBuilder.OutputFrames] function
+	// to error
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+	require.False(t, cb.IsFull())
+	require.Equal(t, 0, cb.NumFrames())
+	for {
+		lBlock := types.NewBlock(&types.Header{
+			BaseFee:    common.Big0,
+			Difficulty: common.Big0,
+			Number:     common.Big0,
+		}, nil, nil, nil, trie.NewStackTrie(nil))
+		l1InfoTx, _ := derive.L1InfoDeposit(0, lBlock, eth.SystemConfig{}, false)
+		txs := []*types.Transaction{types.NewTx(l1InfoTx)}
+		a := types.NewBlock(&types.Header{
+			Number: big.NewInt(0),
+		}, txs, nil, nil, trie.NewStackTrie(nil))
+		_, err = cb.AddBlock(a)
+		require.NoError(t, cb.co.Flush())
+		if cb.IsFull() {
+			fullErr := cb.FullErr()
+			require.ErrorIs(t, fullErr, ErrMaxFrameIndex)
+			break
+		}
+		require.NoError(t, err)
+		_ = cb.OutputFrames()
+		// Flushing so we can construct new frames
+		_ = cb.co.Flush()
+	}
+}
+
+// TestChannelBuilder_AddBlock tests the AddBlock function
+func TestChannelBuilder_AddBlock(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Lower the max frame size so that we can batch
+	channelConfig.MaxFrameSize = 30
+
+	// Configure the Input Threshold params so we observe a full channel
+	channelConfig.TargetFrameSize = 30
+	channelConfig.TargetNumFrames = 2
+	channelConfig.ApproxComprRatio = 1
+
+	// Construct the channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Add a nonsense block to the channel builder
+	require.NoError(t, addMiniBlock(cb))
+	require.NoError(t, cb.co.Flush())
+
+	// Check the fields reset in the AddBlock function
+	require.Equal(t, 74, cb.co.InputBytes())
+	require.Equal(t, 1, len(cb.blocks))
+	require.Equal(t, 0, len(cb.frames))
+	require.True(t, cb.IsFull())
+
+	// Since the channel output is full, the next call to AddBlock
+	// should return the channel out full error
+	require.ErrorIs(t, addMiniBlock(cb), ErrInputTargetReached)
+}
+
+// TestChannelBuilder_Reset tests the [Reset] function
+func TestChannelBuilder_Reset(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Lower the max frame size so that we can batch
+	channelConfig.MaxFrameSize = 24
+
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Add a nonsense block to the channel builder
+	require.NoError(t, addMiniBlock(cb))
+	require.NoError(t, cb.co.Flush())
+
+	// Check the fields reset in the Reset function
+	require.Equal(t, 1, len(cb.blocks))
+	require.Equal(t, 0, len(cb.frames))
+	// Timeout should be updated in the AddBlock internal call to `updateSwTimeout`
+	timeout := uint64(100) + cb.cfg.SeqWindowSize - cb.cfg.SubSafetyMargin
+	require.Equal(t, timeout, cb.timeout)
+	require.NoError(t, cb.fullErr)
+
+	// Output frames so we can set the channel builder frames
+	require.NoError(t, cb.OutputFrames())
+
+	// Add another block to increment the block count
+	require.NoError(t, addMiniBlock(cb))
+	require.NoError(t, cb.co.Flush())
+
+	// Check the fields reset in the Reset function
+	require.Equal(t, 2, len(cb.blocks))
+	require.Greater(t, len(cb.frames), 1)
+	require.Equal(t, timeout, cb.timeout)
+	require.NoError(t, cb.fullErr)
+
+	// Reset the channel builder
+	require.NoError(t, cb.Reset())
+
+	// Check the fields reset in the Reset function
+	require.Equal(t, 0, len(cb.blocks))
+	require.Equal(t, 0, len(cb.frames))
+	require.Equal(t, uint64(0), cb.timeout)
+	require.NoError(t, cb.fullErr)
+	require.Equal(t, 0, cb.co.InputBytes())
+	require.Equal(t, 0, cb.co.ReadyBytes())
+}
+
+// TestBuilderRegisterL1Block tests the RegisterL1Block function
+func TestBuilderRegisterL1Block(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Construct the channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Assert params modified in RegisterL1Block
+	require.Equal(t, uint64(1), channelConfig.MaxChannelDuration)
+	require.Equal(t, uint64(0), cb.timeout)
+
+	// Register a new L1 block
+	cb.RegisterL1Block(uint64(100))
+
+	// Assert params modified in RegisterL1Block
+	require.Equal(t, uint64(1), channelConfig.MaxChannelDuration)
+	require.Equal(t, uint64(101), cb.timeout)
+}
+
+// TestBuilderRegisterL1BlockZeroMaxChannelDuration tests the RegisterL1Block function
+func TestBuilderRegisterL1BlockZeroMaxChannelDuration(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Set the max channel duration to 0
+	channelConfig.MaxChannelDuration = 0
+
+	// Construct the channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Assert params modified in RegisterL1Block
+	require.Equal(t, uint64(0), channelConfig.MaxChannelDuration)
+	require.Equal(t, uint64(0), cb.timeout)
+
+	// Register a new L1 block
+	cb.RegisterL1Block(uint64(100))
+
+	// Since the max channel duration is set to 0,
+	// the L1 block register should not update the timeout
+	require.Equal(t, uint64(0), channelConfig.MaxChannelDuration)
+	require.Equal(t, uint64(0), cb.timeout)
+}
+
+// TestFramePublished tests the FramePublished function
+func TestFramePublished(t *testing.T) {
+	channelConfig := defaultTestChannelConfig
+
+	// Construct the channel builder
+	cb, err := newChannelBuilder(channelConfig)
+	require.NoError(t, err)
+
+	// Let's say the block number is fed in as 100
+	// and the channel timeout is 1000
+	l1BlockNum := uint64(100)
+	cb.cfg.ChannelTimeout = uint64(1000)
+	cb.cfg.SubSafetyMargin = 100
+
+	// Then the frame published will update the timeout
+	cb.FramePublished(l1BlockNum)
+
+	// Now the timeout will be 1000
+	require.Equal(t, uint64(1000), cb.timeout)
+}
+
+func TestChannelBuilder_InputBytes(t *testing.T) {
+	require := require.New(t)
+	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
+	cb, _ := defaultChannelBuilderSetup(t)
+
+	require.Zero(cb.InputBytes())
+
+	var l int
+	for i := 0; i < 5; i++ {
+		block := newMiniL2Block(rng.Intn(32))
+		l += blockBatchRlpSize(t, block)
+
+		_, err := cb.AddBlock(block)
+		require.NoError(err)
+		require.Equal(cb.InputBytes(), l)
+	}
+}
+
+func TestChannelBuilder_OutputBytes(t *testing.T) {
+	require := require.New(t)
+	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
+	cfg := defaultTestChannelConfig
+	cfg.TargetFrameSize = 1000
+	cfg.MaxFrameSize = 1000
+	cfg.TargetNumFrames = 16
+	cfg.ApproxComprRatio = 1.0
+	cb, err := newChannelBuilder(cfg)
+	require.NoError(err, "newChannelBuilder")
+
+	require.Zero(cb.OutputBytes())
+
+	for {
+		block, _ := dtest.RandomL2Block(rng, rng.Intn(32))
+		_, err := cb.AddBlock(block)
+		if errors.Is(err, ErrInputTargetReached) {
+			break
+		}
+		require.NoError(err)
+	}
+
+	require.NoError(cb.OutputFrames())
+	require.True(cb.IsFull())
+	require.Greater(cb.NumFrames(), 1)
+
+	var flen int
+	for cb.HasFrame() {
+		f := cb.NextFrame()
+		flen += len(f.data)
+	}
+
+	require.Equal(cb.OutputBytes(), flen)
+}
+
+func defaultChannelBuilderSetup(t *testing.T) (*channelBuilder, ChannelConfig) {
+	t.Helper()
+	cfg := defaultTestChannelConfig
+	cb, err := newChannelBuilder(cfg)
+	require.NoError(t, err, "newChannelBuilder")
+	return cb, cfg
+}
 
-	// Reset the config and test the Timeout error.
-	// NOTE: We should be fuzzing these values with the constraint that
-	// 		 SubSafetyMargin > ChannelTimeout to ensure validation.
-	validChannelConfig = defaultChannelConfig()
-	validChannelConfig.ChannelTimeout = 0
-	validChannelConfig.SubSafetyMargin = 1
-	require.ErrorIs(t, validChannelConfig.Check(), ErrInvalidChannelTimeout)
+func blockBatchRlpSize(t *testing.T, b *types.Block) int {
+	t.Helper()
+	batch, _, err := derive.BlockToBatch(b)
+	require.NoError(t, err)
+	var buf bytes.Buffer
+	require.NoError(t, batch.EncodeRLP(&buf), "RLP-encoding batch")
+	return buf.Len()
 }

op-batcher/batcher/channel_config_test.go

+package batcher_test
+
+import (
+	"math"
+	"testing"
+
+	"github.com/ethereum-optimism/optimism/op-batcher/batcher"
+	"github.com/stretchr/testify/require"
+)
+
+// TestInputThreshold tests the [ChannelConfig.InputThreshold]
+// function using a table-driven testing approach.
+func TestInputThreshold(t *testing.T) {
+	type testInput struct {
+		TargetFrameSize  uint64
+		TargetNumFrames  int
+		ApproxComprRatio float64
+	}
+	type test struct {
+		input     testInput
+		assertion func(uint64)
+	}
+
+	// Construct test cases that test the boundary conditions
+	tests := []test{
+		{
+			input: testInput{
+				TargetFrameSize:  1,
+				TargetNumFrames:  1,
+				ApproxComprRatio: 0.4,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(2), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  1,
+				TargetNumFrames:  100000,
+				ApproxComprRatio: 0.4,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(250_000), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  1,
+				TargetNumFrames:  1,
+				ApproxComprRatio: 1,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(1), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  1,
+				TargetNumFrames:  1,
+				ApproxComprRatio: 2,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(0), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  100000,
+				TargetNumFrames:  1,
+				ApproxComprRatio: 0.4,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(250_000), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  1,
+				TargetNumFrames:  100000,
+				ApproxComprRatio: 0.4,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(250_000), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  100000,
+				TargetNumFrames:  100000,
+				ApproxComprRatio: 0.4,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(25_000_000_000), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  1,
+				TargetNumFrames:  1,
+				ApproxComprRatio: 0.000001,
+			},
+			assertion: func(output uint64) {
+				require.Equal(t, uint64(1_000_000), output)
+			},
+		},
+		{
+			input: testInput{
+				TargetFrameSize:  0,
+				TargetNumFrames:  0,
+				ApproxComprRatio: 0,
+			},
+			assertion: func(output uint64) {
+				// Need to allow for NaN depending on the machine architecture
+				require.True(t, output == uint64(0) || output == uint64(math.NaN()))
+			},
+		},
+	}
+
+	// Validate each test case
+	for _, tt := range tests {
+		config := batcher.ChannelConfig{
+			TargetFrameSize:  tt.input.TargetFrameSize,
+			TargetNumFrames:  tt.input.TargetNumFrames,
+			ApproxComprRatio: tt.input.ApproxComprRatio,
+		}
+		got := config.InputThreshold()
+		tt.assertion(got)
+	}
+}

op-batcher/batcher/channel_manager.go

@@ -6,7 +6,9 @@ import (
 	"io"
 	"math"
 
+	"github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
@@ -23,6 +25,7 @@ var ErrReorg = errors.New("block does not extend existing chain")
 // Functions on channelManager are not safe for concurrent access.
 type channelManager struct {
 	log  log.Logger
+	metr metrics.Metricer
 	cfg  ChannelConfig
 
 	// All blocks since the last request for new tx data.
@@ -40,10 +43,12 @@ type channelManager struct {
 	confirmedTransactions map[txID]eth.BlockID
 }
 
-func NewChannelManager(log log.Logger, cfg ChannelConfig) *channelManager {
+func NewChannelManager(log log.Logger, metr metrics.Metricer, cfg ChannelConfig) *channelManager {
 	return &channelManager{
 		log:  log,
+		metr: metr,
 		cfg:  cfg,
+
 		pendingTransactions:   make(map[txID]txData),
 		confirmedTransactions: make(map[txID]eth.BlockID),
 	}
@@ -71,6 +76,8 @@ func (s *channelManager) TxFailed(id txID) {
 	} else {
 		s.log.Warn("unknown transaction marked as failed", "id", id)
 	}
+
+	s.metr.RecordBatchTxFailed()
 }
 
 // TxConfirmed marks a transaction as confirmed on L1. Unfortunately even if all frames in
@@ -78,7 +85,8 @@ func (s *channelManager) TxFailed(id txID) {
 // resubmitted.
 // This function may reset the pending channel if the pending channel has timed out.
 func (s *channelManager) TxConfirmed(id txID, inclusionBlock eth.BlockID) {
-	s.log.Trace("marked transaction as confirmed", "id", id, "block", inclusionBlock)
+	s.metr.RecordBatchTxSubmitted()
+	s.log.Debug("marked transaction as confirmed", "id", id, "block", inclusionBlock)
 	if _, ok := s.pendingTransactions[id]; !ok {
 		s.log.Warn("unknown transaction marked as confirmed", "id", id, "block", inclusionBlock)
 		// TODO: This can occur if we clear the channel while there are still pending transactions
@@ -92,13 +100,15 @@ func (s *channelManager) TxConfirmed(id txID, inclusionBlock eth.BlockID) {
 	// If this channel timed out, put the pending blocks back into the local saved blocks
 	// and then reset this state so it can try to build a new channel.
 	if s.pendingChannelIsTimedOut() {
-		s.log.Warn("Channel timed out", "chID", s.pendingChannel.ID())
+		s.metr.RecordChannelTimedOut(s.pendingChannel.ID())
+		s.log.Warn("Channel timed out", "id", s.pendingChannel.ID())
 		s.blocks = append(s.pendingChannel.Blocks(), s.blocks...)
 		s.clearPendingChannel()
 	}
 	// If we are done with this channel, record that.
 	if s.pendingChannelIsFullySubmitted() {
-		s.log.Info("Channel is fully submitted", "chID", s.pendingChannel.ID())
+		s.metr.RecordChannelFullySubmitted(s.pendingChannel.ID())
+		s.log.Info("Channel is fully submitted", "id", s.pendingChannel.ID())
 		s.clearPendingChannel()
 	}
 }
@@ -194,8 +204,8 @@ func (s *channelManager) TxData(l1Head eth.BlockID) (txData, error) {
 	// all pending blocks be included in this channel for submission.
 	s.registerL1Block(l1Head)
 
-	if err := s.pendingChannel.OutputFrames(); err != nil {
-		return txData{}, fmt.Errorf("creating frames with channel builder: %w", err)
+	if err := s.outputFrames(); err != nil {
+		return txData{}, err
 	}
 
 	return s.nextTxData()
@@ -211,7 +221,11 @@ func (s *channelManager) ensurePendingChannel(l1Head eth.BlockID) error {
 		return fmt.Errorf("creating new channel: %w", err)
 	}
 	s.pendingChannel = cb
-	s.log.Info("Created channel", "chID", cb.ID(), "l1Head", l1Head)
+	s.log.Info("Created channel",
+		"id", cb.ID(),
+		"l1Head", l1Head,
+		"blocks_pending", len(s.blocks))
+	s.metr.RecordChannelOpened(cb.ID(), len(s.blocks))
 
 	return nil
 }
@@ -229,28 +243,27 @@ func (s *channelManager) registerL1Block(l1Head eth.BlockID) {
 // processBlocks adds blocks from the blocks queue to the pending channel until
 // either the queue got exhausted or the channel is full.
 func (s *channelManager) processBlocks() error {
-	var blocksAdded int
-	var _chFullErr *ChannelFullError // throw away, just for type checking
+	var (
+		blocksAdded int
+		_chFullErr  *ChannelFullError // throw away, just for type checking
+		latestL2ref eth.L2BlockRef
+	)
 	for i, block := range s.blocks {
-		if err := s.pendingChannel.AddBlock(block); errors.As(err, &_chFullErr) {
+		l1info, err := s.pendingChannel.AddBlock(block)
+		if errors.As(err, &_chFullErr) {
 			// current block didn't get added because channel is already full
 			break
 		} else if err != nil {
 			return fmt.Errorf("adding block[%d] to channel builder: %w", i, err)
 		}
 		blocksAdded += 1
+		latestL2ref = l2BlockRefFromBlockAndL1Info(block, l1info)
 		// current block got added but channel is now full
 		if s.pendingChannel.IsFull() {
 			break
 		}
 	}
 
-	s.log.Debug("Added blocks to channel",
-		"blocks_added", blocksAdded,
-		"channel_full", s.pendingChannel.IsFull(),
-		"blocks_pending", len(s.blocks)-blocksAdded,
-		"input_bytes", s.pendingChannel.InputBytes(),
-	)
 	if blocksAdded == len(s.blocks) {
 		// all blocks processed, reuse slice
 		s.blocks = s.blocks[:0]
@@ -258,6 +271,53 @@ func (s *channelManager) processBlocks() error {
 		// remove processed blocks
 		s.blocks = s.blocks[blocksAdded:]
 	}
+
+	s.metr.RecordL2BlocksAdded(latestL2ref,
+		blocksAdded,
+		len(s.blocks),
+		s.pendingChannel.InputBytes(),
+		s.pendingChannel.ReadyBytes())
+	s.log.Debug("Added blocks to channel",
+		"blocks_added", blocksAdded,
+		"blocks_pending", len(s.blocks),
+		"channel_full", s.pendingChannel.IsFull(),
+		"input_bytes", s.pendingChannel.InputBytes(),
+		"ready_bytes", s.pendingChannel.ReadyBytes(),
+	)
+	return nil
+}
+
+func (s *channelManager) outputFrames() error {
+	if err := s.pendingChannel.OutputFrames(); err != nil {
+		return fmt.Errorf("creating frames with channel builder: %w", err)
+	}
+	if !s.pendingChannel.IsFull() {
+		return nil
+	}
+
+	inBytes, outBytes := s.pendingChannel.InputBytes(), s.pendingChannel.OutputBytes()
+	s.metr.RecordChannelClosed(
+		s.pendingChannel.ID(),
+		len(s.blocks),
+		s.pendingChannel.NumFrames(),
+		inBytes,
+		outBytes,
+		s.pendingChannel.FullErr(),
+	)
+
+	var comprRatio float64
+	if inBytes > 0 {
+		comprRatio = float64(outBytes) / float64(inBytes)
+	}
+	s.log.Info("Channel closed",
+		"id", s.pendingChannel.ID(),
+		"blocks_pending", len(s.blocks),
+		"num_frames", s.pendingChannel.NumFrames(),
+		"input_bytes", inBytes,
+		"output_bytes", outBytes,
+		"full_reason", s.pendingChannel.FullErr(),
+		"compr_ratio", comprRatio,
+	)
 	return nil
 }
 
@@ -273,3 +333,14 @@ func (s *channelManager) AddL2Block(block *types.Block) error {
 
 	return nil
 }
+
+func l2BlockRefFromBlockAndL1Info(block *types.Block, l1info derive.L1BlockInfo) eth.L2BlockRef {
+	return eth.L2BlockRef{
+		Hash:           block.Hash(),
+		Number:         block.NumberU64(),
+		ParentHash:     block.ParentHash(),
+		Time:           block.Time(),
+		L1Origin:       eth.BlockID{Hash: l1info.BlockHash, Number: l1info.Number},
+		SequenceNumber: l1info.SequenceNumber,
+	}
+}

op-batcher/batcher/channel_manager_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/eth"
 	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 	derivetest "github.com/ethereum-optimism/optimism/op-node/rollup/derive/test"
@@ -14,7 +15,6 @@ import (
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
-	"github.com/ethereum/go-ethereum/trie"
 	"github.com/stretchr/testify/require"
 )
 
@@ -23,7 +23,7 @@ import (
 func TestPendingChannelTimeout(t *testing.T) {
 	// Create a new channel manager with a ChannelTimeout
 	log := testlog.Logger(t, log.LvlCrit)
-	m := NewChannelManager(log, ChannelConfig{
+	m := NewChannelManager(log, metrics.NoopMetrics, ChannelConfig{
 		ChannelTimeout: 100,
 	})
 
@@ -32,8 +32,7 @@ func TestPendingChannelTimeout(t *testing.T) {
 	require.False(t, timeout)
 
 	// Set the pending channel
-	err := m.ensurePendingChannel(eth.BlockID{})
-	require.NoError(t, err)
+	require.NoError(t, m.ensurePendingChannel(eth.BlockID{}))
 
 	// There are no confirmed transactions so
 	// the pending channel cannot be timed out
@@ -67,7 +66,7 @@ func TestPendingChannelTimeout(t *testing.T) {
 // detects a reorg when it has cached L1 blocks.
 func TestChannelManagerReturnsErrReorg(t *testing.T) {
 	log := testlog.Logger(t, log.LvlCrit)
-	m := NewChannelManager(log, ChannelConfig{})
+	m := NewChannelManager(log, metrics.NoopMetrics, ChannelConfig{})
 
 	a := types.NewBlock(&types.Header{
 		Number: big.NewInt(0),
@@ -85,14 +84,10 @@ func TestChannelManagerReturnsErrReorg(t *testing.T) {
 		ParentHash: common.Hash{0xff},
 	}, nil, nil, nil, nil)
 
-	err := m.AddL2Block(a)
-	require.NoError(t, err)
-	err = m.AddL2Block(b)
-	require.NoError(t, err)
-	err = m.AddL2Block(c)
-	require.NoError(t, err)
-	err = m.AddL2Block(x)
-	require.ErrorIs(t, err, ErrReorg)
+	require.NoError(t, m.AddL2Block(a))
+	require.NoError(t, m.AddL2Block(b))
+	require.NoError(t, m.AddL2Block(c))
+	require.ErrorIs(t, m.AddL2Block(x), ErrReorg)
 
 	require.Equal(t, []*types.Block{a, b, c}, m.blocks)
 }
@@ -101,44 +96,30 @@ func TestChannelManagerReturnsErrReorg(t *testing.T) {
 // detects a reorg even if it does not have any blocks inside it.
 func TestChannelManagerReturnsErrReorgWhenDrained(t *testing.T) {
 	log := testlog.Logger(t, log.LvlCrit)
-	m := NewChannelManager(log, ChannelConfig{
+	m := NewChannelManager(log, metrics.NoopMetrics,
+		ChannelConfig{
 			TargetFrameSize:  0,
 			MaxFrameSize:     120_000,
 			ApproxComprRatio: 1.0,
 		})
-	l1Block := types.NewBlock(&types.Header{
-		BaseFee:    big.NewInt(10),
-		Difficulty: common.Big0,
-		Number:     big.NewInt(100),
-	}, nil, nil, nil, trie.NewStackTrie(nil))
-	l1InfoTx, err := derive.L1InfoDeposit(0, l1Block, eth.SystemConfig{}, false)
-	require.NoError(t, err)
-	txs := []*types.Transaction{types.NewTx(l1InfoTx)}
 
-	a := types.NewBlock(&types.Header{
-		Number: big.NewInt(0),
-	}, txs, nil, nil, trie.NewStackTrie(nil))
-	x := types.NewBlock(&types.Header{
-		Number:     big.NewInt(1),
-		ParentHash: common.Hash{0xff},
-	}, txs, nil, nil, trie.NewStackTrie(nil))
+	a := newMiniL2Block(0)
+	x := newMiniL2BlockWithNumberParent(0, big.NewInt(1), common.Hash{0xff})
 
-	err = m.AddL2Block(a)
-	require.NoError(t, err)
+	require.NoError(t, m.AddL2Block(a))
 
-	_, err = m.TxData(eth.BlockID{})
+	_, err := m.TxData(eth.BlockID{})
 	require.NoError(t, err)
 	_, err = m.TxData(eth.BlockID{})
 	require.ErrorIs(t, err, io.EOF)
 
-	err = m.AddL2Block(x)
-	require.ErrorIs(t, err, ErrReorg)
+	require.ErrorIs(t, m.AddL2Block(x), ErrReorg)
 }
 
 // TestChannelManagerNextTxData checks the nextTxData function.
 func TestChannelManagerNextTxData(t *testing.T) {
 	log := testlog.Logger(t, log.LvlCrit)
-	m := NewChannelManager(log, ChannelConfig{})
+	m := NewChannelManager(log, metrics.NoopMetrics, ChannelConfig{})
 
 	// Nil pending channel should return EOF
 	returnedTxData, err := m.nextTxData()
@@ -148,8 +129,7 @@ func TestChannelManagerNextTxData(t *testing.T) {
 	// Set the pending channel
 	// The nextTxData function should still return EOF
 	// since the pending channel has no frames
-	err = m.ensurePendingChannel(eth.BlockID{})
-	require.NoError(t, err)
+	require.NoError(t, m.ensurePendingChannel(eth.BlockID{}))
 	returnedTxData, err = m.nextTxData()
 	require.ErrorIs(t, err, io.EOF)
 	require.Equal(t, txData{}, returnedTxData)
@@ -176,27 +156,31 @@ func TestChannelManagerNextTxData(t *testing.T) {
 	require.Equal(t, expectedTxData, m.pendingTransactions[expectedChannelID])
 }
 
-// TestClearChannelManager tests clearing the channel manager.
-func TestClearChannelManager(t *testing.T) {
+// TestChannelManager_Clear tests clearing the channel manager.
+func TestChannelManager_Clear(t *testing.T) {
+	require := require.New(t)
+
 	// Create a channel manager
 	log := testlog.Logger(t, log.LvlCrit)
 	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
-	m := NewChannelManager(log, ChannelConfig{
+	m := NewChannelManager(log, metrics.NoopMetrics, ChannelConfig{
 		// Need to set the channel timeout here so we don't clear pending
 		// channels on confirmation. This would result in [TxConfirmed]
 		// clearing confirmed transactions, and reseting the pendingChannels map
 		ChannelTimeout: 10,
 		// Have to set the max frame size here otherwise the channel builder would not
 		// be able to output any frames
-		MaxFrameSize: 1,
+		MaxFrameSize:     24,
+		TargetFrameSize:  24,
+		ApproxComprRatio: 1.0,
 	})
 
 	// Channel Manager state should be empty by default
-	require.Empty(t, m.blocks)
-	require.Equal(t, common.Hash{}, m.tip)
-	require.Nil(t, m.pendingChannel)
-	require.Empty(t, m.pendingTransactions)
-	require.Empty(t, m.confirmedTransactions)
+	require.Empty(m.blocks)
+	require.Equal(common.Hash{}, m.tip)
+	require.Nil(m.pendingChannel)
+	require.Empty(m.pendingTransactions)
+	require.Empty(m.confirmedTransactions)
 
 	// Add a block to the channel manager
 	a, _ := derivetest.RandomL2Block(rng, 4)
@@ -205,28 +189,25 @@ func TestClearChannelManager(t *testing.T) {
 		Hash:   a.Hash(),
 		Number: a.NumberU64(),
 	}
-	err := m.AddL2Block(a)
-	require.NoError(t, err)
+	require.NoError(m.AddL2Block(a))
 
 	// Make sure there is a channel builder
-	err = m.ensurePendingChannel(l1BlockID)
-	require.NoError(t, err)
-	require.NotNil(t, m.pendingChannel)
-	require.Equal(t, 0, len(m.confirmedTransactions))
+	require.NoError(m.ensurePendingChannel(l1BlockID))
+	require.NotNil(m.pendingChannel)
+	require.Len(m.confirmedTransactions, 0)
 
 	// Process the blocks
 	// We should have a pending channel with 1 frame
 	// and no more blocks since processBlocks consumes
 	// the list
-	err = m.processBlocks()
-	require.NoError(t, err)
-	err = m.pendingChannel.OutputFrames()
-	require.NoError(t, err)
-	_, err = m.nextTxData()
-	require.NoError(t, err)
-	require.Equal(t, 0, len(m.blocks))
-	require.Equal(t, newL1Tip, m.tip)
-	require.Equal(t, 1, len(m.pendingTransactions))
+	require.NoError(m.processBlocks())
+	require.NoError(m.pendingChannel.co.Flush())
+	require.NoError(m.pendingChannel.OutputFrames())
+	_, err := m.nextTxData()
+	require.NoError(err)
+	require.Len(m.blocks, 0)
+	require.Equal(newL1Tip, m.tip)
+	require.Len(m.pendingTransactions, 1)
 
 	// Add a new block so we can test clearing
 	// the channel manager with a full state
@@ -234,27 +215,26 @@ func TestClearChannelManager(t *testing.T) {
 		Number:     big.NewInt(1),
 		ParentHash: a.Hash(),
 	}, nil, nil, nil, nil)
-	err = m.AddL2Block(b)
-	require.NoError(t, err)
-	require.Equal(t, 1, len(m.blocks))
-	require.Equal(t, b.Hash(), m.tip)
+	require.NoError(m.AddL2Block(b))
+	require.Len(m.blocks, 1)
+	require.Equal(b.Hash(), m.tip)
 
 	// Clear the channel manager
 	m.Clear()
 
 	// Check that the entire channel manager state cleared
-	require.Empty(t, m.blocks)
-	require.Equal(t, common.Hash{}, m.tip)
-	require.Nil(t, m.pendingChannel)
-	require.Empty(t, m.pendingTransactions)
-	require.Empty(t, m.confirmedTransactions)
+	require.Empty(m.blocks)
+	require.Equal(common.Hash{}, m.tip)
+	require.Nil(m.pendingChannel)
+	require.Empty(m.pendingTransactions)
+	require.Empty(m.confirmedTransactions)
 }
 
 // TestChannelManagerTxConfirmed checks the [ChannelManager.TxConfirmed] function.
 func TestChannelManagerTxConfirmed(t *testing.T) {
 	// Create a channel manager
 	log := testlog.Logger(t, log.LvlCrit)
-	m := NewChannelManager(log, ChannelConfig{
+	m := NewChannelManager(log, metrics.NoopMetrics, ChannelConfig{
 		// Need to set the channel timeout here so we don't clear pending
 		// channels on confirmation. This would result in [TxConfirmed]
 		// clearing confirmed transactions, and reseting the pendingChannels map
@@ -263,8 +243,7 @@ func TestChannelManagerTxConfirmed(t *testing.T) {
 
 	// Let's add a valid pending transaction to the channel manager
 	// So we can demonstrate that TxConfirmed's correctness
-	err := m.ensurePendingChannel(eth.BlockID{})
-	require.NoError(t, err)
+	require.NoError(t, m.ensurePendingChannel(eth.BlockID{}))
 	channelID := m.pendingChannel.ID()
 	frame := frameData{
 		data: []byte{},
@@ -282,7 +261,7 @@ func TestChannelManagerTxConfirmed(t *testing.T) {
 	require.Equal(t, expectedTxData, returnedTxData)
 	require.Equal(t, 0, m.pendingChannel.NumFrames())
 	require.Equal(t, expectedTxData, m.pendingTransactions[expectedChannelID])
-	require.Equal(t, 1, len(m.pendingTransactions))
+	require.Len(t, m.pendingTransactions, 1)
 
 	// An unknown pending transaction should not be marked as confirmed
 	// and should not be removed from the pending transactions map
@@ -293,14 +272,14 @@ func TestChannelManagerTxConfirmed(t *testing.T) {
 	blockID := eth.BlockID{Number: 0, Hash: common.Hash{0x69}}
 	m.TxConfirmed(unknownTxID, blockID)
 	require.Empty(t, m.confirmedTransactions)
-	require.Equal(t, 1, len(m.pendingTransactions))
+	require.Len(t, m.pendingTransactions, 1)
 
 	// Now let's mark the pending transaction as confirmed
 	// and check that it is removed from the pending transactions map
 	// and added to the confirmed transactions map
 	m.TxConfirmed(expectedChannelID, blockID)
 	require.Empty(t, m.pendingTransactions)
-	require.Equal(t, 1, len(m.confirmedTransactions))
+	require.Len(t, m.confirmedTransactions, 1)
 	require.Equal(t, blockID, m.confirmedTransactions[expectedChannelID])
 }
 
@@ -308,12 +287,11 @@ func TestChannelManagerTxConfirmed(t *testing.T) {
 func TestChannelManagerTxFailed(t *testing.T) {
 	// Create a channel manager
 	log := testlog.Logger(t, log.LvlCrit)
-	m := NewChannelManager(log, ChannelConfig{})
+	m := NewChannelManager(log, metrics.NoopMetrics, ChannelConfig{})
 
 	// Let's add a valid pending transaction to the channel
 	// manager so we can demonstrate correctness
-	err := m.ensurePendingChannel(eth.BlockID{})
-	require.NoError(t, err)
+	require.NoError(t, m.ensurePendingChannel(eth.BlockID{}))
 	channelID := m.pendingChannel.ID()
 	frame := frameData{
 		data: []byte{},
@@ -331,7 +309,7 @@ func TestChannelManagerTxFailed(t *testing.T) {
 	require.Equal(t, expectedTxData, returnedTxData)
 	require.Equal(t, 0, m.pendingChannel.NumFrames())
 	require.Equal(t, expectedTxData, m.pendingTransactions[expectedChannelID])
-	require.Equal(t, 1, len(m.pendingTransactions))
+	require.Len(t, m.pendingTransactions, 1)
 
 	// Trying to mark an unknown pending transaction as failed
 	// shouldn't modify state
@@ -351,7 +329,8 @@ func TestChannelManager_TxResend(t *testing.T) {
 	require := require.New(t)
 	rng := rand.New(rand.NewSource(time.Now().UnixNano()))
 	log := testlog.Logger(t, log.LvlError)
-	m := NewChannelManager(log, ChannelConfig{
+	m := NewChannelManager(log, metrics.NoopMetrics,
+		ChannelConfig{
 			TargetFrameSize:  0,
 			MaxFrameSize:     120_000,
 			ApproxComprRatio: 1.0,
@@ -359,8 +338,7 @@ func TestChannelManager_TxResend(t *testing.T) {
 
 	a, _ := derivetest.RandomL2Block(rng, 4)
 
-	err := m.AddL2Block(a)
-	require.NoError(err)
+	require.NoError(m.AddL2Block(a))
 
 	txdata0, err := m.TxData(eth.BlockID{})
 	require.NoError(err)

op-batcher/batcher/config.go

@@ -9,6 +9,7 @@ import (
 	"github.com/urfave/cli"
 
 	"github.com/ethereum-optimism/optimism/op-batcher/flags"
+	"github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-batcher/rpc"
 	"github.com/ethereum-optimism/optimism/op-node/rollup"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
@@ -21,17 +22,20 @@ import (
 
 type Config struct {
 	log        log.Logger
+	metr       metrics.Metricer
 	L1Client   *ethclient.Client
 	L2Client   *ethclient.Client
 	RollupNode *sources.RollupClient
+
 	PollInterval time.Duration
-	TxManagerConfig txmgr.Config
 	From         common.Address
 
+	TxManagerConfig txmgr.Config
+
 	// RollupConfig is queried at startup
 	Rollup *rollup.Config
 
-	// Channel creation parameters
+	// Channel builder parameters
 	Channel ChannelConfig
 }
 

op-batcher/batcher/driver.go

@@ -10,7 +10,9 @@ import (
 	"sync"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 	opcrypto "github.com/ethereum-optimism/optimism/op-service/crypto"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -34,13 +36,14 @@ type BatchSubmitter struct {
 
 	// lastStoredBlock is the last block loaded into `state`. If it is empty it should be set to the l2 safe head.
 	lastStoredBlock eth.BlockID
+	lastL1Tip       eth.L1BlockRef
 
 	state *channelManager
 }
 
 // NewBatchSubmitterFromCLIConfig initializes the BatchSubmitter, gathering any resources
 // that will be needed during operation.
-func NewBatchSubmitterFromCLIConfig(cfg CLIConfig, l log.Logger) (*BatchSubmitter, error) {
+func NewBatchSubmitterFromCLIConfig(cfg CLIConfig, l log.Logger, m metrics.Metricer) (*BatchSubmitter, error) {
 	ctx := context.Background()
 
 	signer, fromAddress, err := opcrypto.SignerFactoryFromConfig(l, cfg.PrivateKey, cfg.Mnemonic, cfg.SequencerHDPath, cfg.SignerConfig)
@@ -104,12 +107,12 @@ func NewBatchSubmitterFromCLIConfig(cfg CLIConfig, l log.Logger) (*BatchSubmitte
 		return nil, err
 	}
 
-	return NewBatchSubmitter(ctx, batcherCfg, l)
+	return NewBatchSubmitter(ctx, batcherCfg, l, m)
 }
 
 // NewBatchSubmitter initializes the BatchSubmitter, gathering any resources
 // that will be needed during operation.
-func NewBatchSubmitter(ctx context.Context, cfg Config, l log.Logger) (*BatchSubmitter, error) {
+func NewBatchSubmitter(ctx context.Context, cfg Config, l log.Logger, m metrics.Metricer) (*BatchSubmitter, error) {
 	balance, err := cfg.L1Client.BalanceAt(ctx, cfg.From, nil)
 	if err != nil {
 		return nil, err
@@ -118,12 +121,14 @@ func NewBatchSubmitter(ctx context.Context, cfg Config, l log.Logger) (*BatchSub
 	cfg.log = l
 	cfg.log.Info("creating batch submitter", "submitter_addr", cfg.From, "submitter_bal", balance)
 
+	cfg.metr = m
+
 	return &BatchSubmitter{
 		Config: cfg,
 		txMgr: NewTransactionManager(l,
 			cfg.TxManagerConfig, cfg.Rollup.BatchInboxAddress, cfg.Rollup.L1ChainID,
 			cfg.From, cfg.L1Client),
-		state: NewChannelManager(l, cfg.Channel),
+		state: NewChannelManager(l, m, cfg.Channel),
 	}, nil
 
 }
@@ -187,13 +192,16 @@ func (l *BatchSubmitter) Stop() error {
 func (l *BatchSubmitter) loadBlocksIntoState(ctx context.Context) {
 	start, end, err := l.calculateL2BlockRangeToStore(ctx)
 	if err != nil {
-		l.log.Trace("was not able to calculate L2 block range", "err", err)
+		l.log.Warn("Error calculating L2 block range", "err", err)
+		return
+	} else if start.Number == end.Number {
 		return
 	}
 
+	var latestBlock *types.Block
 	// Add all blocks to "state"
 	for i := start.Number + 1; i < end.Number+1; i++ {
-		id, err := l.loadBlockIntoState(ctx, i)
+		block, err := l.loadBlockIntoState(ctx, i)
 		if errors.Is(err, ErrReorg) {
 			l.log.Warn("Found L2 reorg", "block_number", i)
 			l.state.Clear()
@@ -203,24 +211,34 @@ func (l *BatchSubmitter) loadBlocksIntoState(ctx context.Context) {
 			l.log.Warn("failed to load block into state", "err", err)
 			return
 		}
-		l.lastStoredBlock = id
+		l.lastStoredBlock = eth.ToBlockID(block)
+		latestBlock = block
 	}
+
+	l2ref, err := derive.L2BlockToBlockRef(latestBlock, &l.Rollup.Genesis)
+	if err != nil {
+		l.log.Warn("Invalid L2 block loaded into state", "err", err)
+		return
+	}
+
+	l.metr.RecordL2BlocksLoaded(l2ref)
 }
 
 // loadBlockIntoState fetches & stores a single block into `state`. It returns the block it loaded.
-func (l *BatchSubmitter) loadBlockIntoState(ctx context.Context, blockNumber uint64) (eth.BlockID, error) {
+func (l *BatchSubmitter) loadBlockIntoState(ctx context.Context, blockNumber uint64) (*types.Block, error) {
 	ctx, cancel := context.WithTimeout(ctx, networkTimeout)
+	defer cancel()
 	block, err := l.L2Client.BlockByNumber(ctx, new(big.Int).SetUint64(blockNumber))
-	cancel()
 	if err != nil {
-		return eth.BlockID{}, err
+		return nil, fmt.Errorf("getting L2 block: %w", err)
 	}
+
 	if err := l.state.AddL2Block(block); err != nil {
-		return eth.BlockID{}, err
+		return nil, fmt.Errorf("adding L2 block to state: %w", err)
 	}
-	id := eth.ToBlockID(block)
-	l.log.Info("added L2 block to local state", "block", id, "tx_count", len(block.Transactions()), "time", block.Time())
-	return id, nil
+
+	l.log.Info("added L2 block to local state", "block", eth.ToBlockID(block), "tx_count", len(block.Transactions()), "time", block.Time())
+	return block, nil
 }
 
 // calculateL2BlockRangeToStore determines the range (start,end] that should be loaded into the local state.
@@ -283,6 +301,7 @@ func (l *BatchSubmitter) loop() {
 					l.log.Error("Failed to query L1 tip", "error", err)
 					break
 				}
+				l.recordL1Tip(l1tip)
 
 				// Collect next transaction data
 				txdata, err := l.state.TxData(l1tip.ID())
@@ -316,6 +335,14 @@ func (l *BatchSubmitter) loop() {
 	}
 }
 
+func (l *BatchSubmitter) recordL1Tip(l1tip eth.L1BlockRef) {
+	if l.lastL1Tip == l1tip {
+		return
+	}
+	l.lastL1Tip = l1tip
+	l.metr.RecordLatestL1Block(l1tip)
+}
+
 func (l *BatchSubmitter) recordFailedTx(id txID, err error) {
 	l.log.Warn("Failed to send transaction", "err", err)
 	l.state.TxFailed(id)

op-batcher/metrics/metrics.go

+package metrics
+
+import (
+	"context"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/prometheus/client_golang/prometheus"
+
+	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
+	opmetrics "github.com/ethereum-optimism/optimism/op-service/metrics"
+)
+
+const Namespace = "op_batcher"
+
+type Metricer interface {
+	RecordInfo(version string)
+	RecordUp()
+
+	// Records all L1 and L2 block events
+	opmetrics.RefMetricer
+
+	RecordLatestL1Block(l1ref eth.L1BlockRef)
+	RecordL2BlocksLoaded(l2ref eth.L2BlockRef)
+	RecordChannelOpened(id derive.ChannelID, numPendingBlocks int)
+	RecordL2BlocksAdded(l2ref eth.L2BlockRef, numBlocksAdded, numPendingBlocks, inputBytes, outputComprBytes int)
+	RecordChannelClosed(id derive.ChannelID, numPendingBlocks int, numFrames int, inputBytes int, outputComprBytes int, reason error)
+	RecordChannelFullySubmitted(id derive.ChannelID)
+	RecordChannelTimedOut(id derive.ChannelID)
+
+	RecordBatchTxSubmitted()
+	RecordBatchTxSuccess()
+	RecordBatchTxFailed()
+
+	Document() []opmetrics.DocumentedMetric
+}
+
+type Metrics struct {
+	ns       string
+	registry *prometheus.Registry
+	factory  opmetrics.Factory
+
+	opmetrics.RefMetrics
+
+	Info prometheus.GaugeVec
+	Up   prometheus.Gauge
+
+	// label by openend, closed, fully_submitted, timed_out
+	ChannelEvs opmetrics.EventVec
+
+	PendingBlocksCount prometheus.GaugeVec
+	BlocksAddedCount   prometheus.Gauge
+
+	ChannelInputBytes   prometheus.GaugeVec
+	ChannelReadyBytes   prometheus.Gauge
+	ChannelOutputBytes  prometheus.Gauge
+	ChannelClosedReason prometheus.Gauge
+	ChannelNumFrames    prometheus.Gauge
+	ChannelComprRatio   prometheus.Histogram
+
+	BatcherTxEvs opmetrics.EventVec
+}
+
+var _ Metricer = (*Metrics)(nil)
+
+func NewMetrics(procName string) *Metrics {
+	if procName == "" {
+		procName = "default"
+	}
+	ns := Namespace + "_" + procName
+
+	registry := opmetrics.NewRegistry()
+	factory := opmetrics.With(registry)
+
+	return &Metrics{
+		ns:       ns,
+		registry: registry,
+		factory:  factory,
+
+		RefMetrics: opmetrics.MakeRefMetrics(ns, factory),
+
+		Info: *factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "info",
+			Help:      "Pseudo-metric tracking version and config info",
+		}, []string{
+			"version",
+		}),
+		Up: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "up",
+			Help:      "1 if the op-batcher has finished starting up",
+		}),
+
+		ChannelEvs: opmetrics.NewEventVec(factory, ns, "channel", "Channel", []string{"stage"}),
+
+		PendingBlocksCount: *factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "pending_blocks_count",
+			Help:      "Number of pending blocks, not added to a channel yet.",
+		}, []string{"stage"}),
+		BlocksAddedCount: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "blocks_added_count",
+			Help:      "Total number of blocks added to current channel.",
+		}),
+
+		ChannelInputBytes: *factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "input_bytes",
+			Help:      "Number of input bytes to a channel.",
+		}, []string{"stage"}),
+		ChannelReadyBytes: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "ready_bytes",
+			Help:      "Number of bytes ready in the compression buffer.",
+		}),
+		ChannelOutputBytes: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "output_bytes",
+			Help:      "Number of compressed output bytes from a channel.",
+		}),
+		ChannelClosedReason: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "channel_closed_reason",
+			Help:      "Pseudo-metric to record the reason a channel got closed.",
+		}),
+		ChannelNumFrames: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "channel_num_frames",
+			Help:      "Total number of frames of closed channel.",
+		}),
+		ChannelComprRatio: factory.NewHistogram(prometheus.HistogramOpts{
+			Namespace: ns,
+			Name:      "channel_compr_ratio",
+			Help:      "Compression ratios of closed channel.",
+			Buckets:   append([]float64{0.1, 0.2}, prometheus.LinearBuckets(0.3, 0.05, 14)...),
+		}),
+
+		BatcherTxEvs: opmetrics.NewEventVec(factory, ns, "batcher_tx", "BatcherTx", []string{"stage"}),
+	}
+}
+
+func (m *Metrics) Serve(ctx context.Context, host string, port int) error {
+	return opmetrics.ListenAndServe(ctx, m.registry, host, port)
+}
+
+func (m *Metrics) Document() []opmetrics.DocumentedMetric {
+	return m.factory.Document()
+}
+
+func (m *Metrics) StartBalanceMetrics(ctx context.Context,
+	l log.Logger, client *ethclient.Client, account common.Address) {
+	opmetrics.LaunchBalanceMetrics(ctx, l, m.registry, m.ns, client, account)
+}
+
+// RecordInfo sets a pseudo-metric that contains versioning and
+// config info for the op-batcher.
+func (m *Metrics) RecordInfo(version string) {
+	m.Info.WithLabelValues(version).Set(1)
+}
+
+// RecordUp sets the up metric to 1.
+func (m *Metrics) RecordUp() {
+	prometheus.MustRegister()
+	m.Up.Set(1)
+}
+
+const (
+	StageLoaded         = "loaded"
+	StageOpened         = "opened"
+	StageAdded          = "added"
+	StageClosed         = "closed"
+	StageFullySubmitted = "fully_submitted"
+	StageTimedOut       = "timed_out"
+
+	TxStageSubmitted = "submitted"
+	TxStageSuccess   = "success"
+	TxStageFailed    = "failed"
+)
+
+func (m *Metrics) RecordLatestL1Block(l1ref eth.L1BlockRef) {
+	m.RecordL1Ref("latest", l1ref)
+}
+
+// RecordL2BlockLoaded should be called when a new L2 block was loaded into the
+// channel manager (but not processed yet).
+func (m *Metrics) RecordL2BlocksLoaded(l2ref eth.L2BlockRef) {
+	m.RecordL2Ref(StageLoaded, l2ref)
+}
+
+func (m *Metrics) RecordChannelOpened(id derive.ChannelID, numPendingBlocks int) {
+	m.ChannelEvs.Record(StageOpened)
+	m.BlocksAddedCount.Set(0) // reset
+	m.PendingBlocksCount.WithLabelValues(StageOpened).Set(float64(numPendingBlocks))
+}
+
+// RecordL2BlocksAdded should be called when L2 block were added to the channel
+// builder, with the latest added block.
+func (m *Metrics) RecordL2BlocksAdded(l2ref eth.L2BlockRef, numBlocksAdded, numPendingBlocks, inputBytes, outputComprBytes int) {
+	m.RecordL2Ref(StageAdded, l2ref)
+	m.BlocksAddedCount.Add(float64(numBlocksAdded))
+	m.PendingBlocksCount.WithLabelValues(StageAdded).Set(float64(numPendingBlocks))
+	m.ChannelInputBytes.WithLabelValues(StageAdded).Set(float64(inputBytes))
+	m.ChannelReadyBytes.Set(float64(outputComprBytes))
+}
+
+func (m *Metrics) RecordChannelClosed(id derive.ChannelID, numPendingBlocks int, numFrames int, inputBytes int, outputComprBytes int, reason error) {
+	m.ChannelEvs.Record(StageClosed)
+	m.PendingBlocksCount.WithLabelValues(StageClosed).Set(float64(numPendingBlocks))
+	m.ChannelNumFrames.Set(float64(numFrames))
+	m.ChannelInputBytes.WithLabelValues(StageClosed).Set(float64(inputBytes))
+	m.ChannelOutputBytes.Set(float64(outputComprBytes))
+
+	var comprRatio float64
+	if inputBytes > 0 {
+		comprRatio = float64(outputComprBytes) / float64(inputBytes)
+	}
+	m.ChannelComprRatio.Observe(comprRatio)
+
+	m.ChannelClosedReason.Set(float64(ClosedReasonToNum(reason)))
+}
+
+func ClosedReasonToNum(reason error) int {
+	// CLI-3640
+	return 0
+}
+
+func (m *Metrics) RecordChannelFullySubmitted(id derive.ChannelID) {
+	m.ChannelEvs.Record(StageFullySubmitted)
+}
+
+func (m *Metrics) RecordChannelTimedOut(id derive.ChannelID) {
+	m.ChannelEvs.Record(StageTimedOut)
+}
+
+func (m *Metrics) RecordBatchTxSubmitted() {
+	m.BatcherTxEvs.Record(TxStageSubmitted)
+}
+
+func (m *Metrics) RecordBatchTxSuccess() {
+	m.BatcherTxEvs.Record(TxStageSuccess)
+}
+
+func (m *Metrics) RecordBatchTxFailed() {
+	m.BatcherTxEvs.Record(TxStageFailed)
+}

op-batcher/metrics/noop.go

+package metrics
+
+import (
+	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
+	opmetrics "github.com/ethereum-optimism/optimism/op-service/metrics"
+)
+
+type noopMetrics struct{ opmetrics.NoopRefMetrics }
+
+var NoopMetrics Metricer = new(noopMetrics)
+
+func (*noopMetrics) Document() []opmetrics.DocumentedMetric { return nil }
+
+func (*noopMetrics) RecordInfo(version string) {}
+func (*noopMetrics) RecordUp()                 {}
+
+func (*noopMetrics) RecordLatestL1Block(l1ref eth.L1BlockRef)               {}
+func (*noopMetrics) RecordL2BlocksLoaded(eth.L2BlockRef)                    {}
+func (*noopMetrics) RecordChannelOpened(derive.ChannelID, int)              {}
+func (*noopMetrics) RecordL2BlocksAdded(eth.L2BlockRef, int, int, int, int) {}
+
+func (*noopMetrics) RecordChannelClosed(derive.ChannelID, int, int, int, int, error) {}
+
+func (*noopMetrics) RecordChannelFullySubmitted(derive.ChannelID) {}
+func (*noopMetrics) RecordChannelTimedOut(derive.ChannelID)       {}
+
+func (*noopMetrics) RecordBatchTxSubmitted() {}
+func (*noopMetrics) RecordBatchTxSuccess()   {}
+func (*noopMetrics) RecordBatchTxFailed()    {}

op-chain-ops/Dockerfile

-FROM golang:1.18.0-alpine3.15 as builder
+FROM golang:1.19.0-alpine3.15 as builder
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 

op-chain-ops/ether/migrate.go

@@ -13,6 +13,20 @@ import (
 	"github.com/ethereum/go-ethereum/log"
 )
 
+const (
+	// checkJobs is the number of parallel workers to spawn
+	// when iterating the storage trie.
+	checkJobs = 64
+
+	// BalanceSlot is an ordinal used to represent slots corresponding to OVM_ETH
+	// balances in the state.
+	BalanceSlot = 1
+
+	// AllowanceSlot is an ordinal used to represent slots corresponding to OVM_ETH
+	// allowances in the state.
+	AllowanceSlot = 2
+)
+
 var (
 	// OVMETHAddress is the address of the OVM ETH predeploy.
 	OVMETHAddress = common.HexToAddress("0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000")
@@ -27,73 +41,204 @@ var (
 		common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000005"): true,
 		common.HexToHash("0x0000000000000000000000000000000000000000000000000000000000000006"): true,
 	}
+
+	// sequencerEntrypointAddr is the address of the OVM sequencer entrypoint contract.
+	sequencerEntrypointAddr = common.HexToAddress("0x4200000000000000000000000000000000000005")
 )
 
-type FilteredOVMETHAddresses []common.Address
+// accountData is a wrapper struct that contains the balance and address of an account.
+// It gets passed via channel to the collector process.
+type accountData struct {
+	balance    *big.Int
+	legacySlot common.Hash
+	address    common.Address
+}
 
-func MigrateLegacyETH(db *state.StateDB, addresses FilteredOVMETHAddresses, chainID int, noCheck bool) error {
+// MigrateBalances migrates all balances in the LegacyERC20ETH contract into state. It performs checks
+// in parallel with mutations in order to reduce overall migration time.
+func MigrateBalances(mutableDB *state.StateDB, dbFactory util.DBFactory, addresses []common.Address, allowances []*crossdomain.Allowance, chainID int, noCheck bool) error {
 	// Chain params to use for integrity checking.
 	params := crossdomain.ParamsByChainID[chainID]
 	if params == nil {
 		return fmt.Errorf("no chain params for %d", chainID)
 	}
 
-	// Log the chain params for debugging purposes.
-	log.Info("Chain params", "chain-id", chainID, "supply-delta", params.ExpectedSupplyDelta)
+	return doMigration(mutableDB, dbFactory, addresses, allowances, params.ExpectedSupplyDelta, noCheck)
+}
+
+func doMigration(mutableDB *state.StateDB, dbFactory util.DBFactory, addresses []common.Address, allowances []*crossdomain.Allowance, expDiff *big.Int, noCheck bool) error {
+	// We'll need to maintain a list of all addresses that we've seen along with all of the storage
+	// slots based on the witness data.
+	slotsAddrs := make(map[common.Hash]common.Address)
+	slotsInp := make(map[common.Hash]int)
 
-	// Migrate the legacy ETH to ETH.
-	log.Info("Migrating legacy ETH to ETH", "num-accounts", len(addresses))
-	totalMigrated := new(big.Int)
-	logAccountProgress := util.ProgressLogger(1000, "imported accounts")
+	// For each known address, compute its balance key and add it to the list of addresses.
+	// Mint events are instrumented as regular ETH events in the witness data, so we no longer
+	// need to iterate over mint events during the migration.
 	for _, addr := range addresses {
-		// Balances are pre-checked not have any balances in state.
+		sk := CalcOVMETHStorageKey(addr)
+		slotsAddrs[sk] = addr
+		slotsInp[sk] = BalanceSlot
+	}
+
+	// For each known allowance, compute its storage key and add it to the list of addresses.
+	for _, allowance := range allowances {
+		sk := CalcAllowanceStorageKey(allowance.From, allowance.To)
+		slotsAddrs[sk] = allowance.From
+		slotsInp[sk] = AllowanceSlot
+	}
+
+	// Add the old SequencerEntrypoint because someone sent it ETH a long time ago and it has a
+	// balance but none of our instrumentation could easily find it. Special case.
+	entrySK := CalcOVMETHStorageKey(sequencerEntrypointAddr)
+	slotsAddrs[entrySK] = sequencerEntrypointAddr
+	slotsInp[entrySK] = BalanceSlot
+
+	// Channel to receive storage slot keys and values from each iteration job.
+	outCh := make(chan accountData)
+
+	// Channel that gets closed when the collector is done.
+	doneCh := make(chan struct{})
 
-		// Pull out the OVM ETH balance.
-		ovmBalance := GetOVMETHBalance(db, addr)
+	// Create a map of accounts we've seen so that we can filter out duplicates.
+	seenAccounts := make(map[common.Address]bool)
 
-		// Actually perform the migration by setting the appropriate values in state.
-		db.SetBalance(addr, ovmBalance)
-		db.SetState(predeploys.LegacyERC20ETHAddr, CalcOVMETHStorageKey(addr), common.Hash{})
+	// Keep track of the total migrated supply.
+	totalFound := new(big.Int)
 
-		// Bump the total OVM balance.
-		totalMigrated = totalMigrated.Add(totalMigrated, ovmBalance)
+	// Kick off a background process to collect
+	// values from the channel and add them to the map.
+	var count int
+	progress := util.ProgressLogger(1000, "Migrated OVM_ETH storage slot")
+	go func() {
+		defer func() { doneCh <- struct{}{} }()
 
-		// Log progress.
-		logAccountProgress()
+		for account := range outCh {
+			progress()
+
+			// Filter out duplicate accounts. See the below note about keyspace iteration for
+			// why we may have to filter out duplicates.
+			if seenAccounts[account.address] {
+				log.Info("skipping duplicate account during iteration", "addr", account.address)
+				continue
 			}
 
-	// Make sure that the total supply delta matches the expected delta. This is equivalent to
-	// checking that the total migrated is equal to the total found, since we already performed the
-	// same check against the total found (a = b, b = c => a = c).
-	totalSupply := getOVMETHTotalSupply(db)
-	delta := new(big.Int).Sub(totalSupply, totalMigrated)
-	if delta.Cmp(params.ExpectedSupplyDelta) != 0 {
-		if noCheck {
+			// Accumulate addresses and total supply.
+			totalFound = new(big.Int).Add(totalFound, account.balance)
+
+			mutableDB.SetBalance(account.address, account.balance)
+			mutableDB.SetState(predeploys.LegacyERC20ETHAddr, account.legacySlot, common.Hash{})
+			count++
+			seenAccounts[account.address] = true
+		}
+	}()
+
+	err := util.IterateState(dbFactory, predeploys.LegacyERC20ETHAddr, func(db *state.StateDB, key, value common.Hash) error {
+		// We can safely ignore specific slots (totalSupply, name, symbol).
+		if ignoredSlots[key] {
+			return nil
+		}
+
+		slotType, ok := slotsInp[key]
+		if !ok {
+			log.Error("unknown storage slot in state", "slot", key.String())
+			if !noCheck {
+				return fmt.Errorf("unknown storage slot in state: %s", key.String())
+			}
+		}
+
+		// No accounts should have a balance in state. If they do, bail.
+		addr, ok := slotsAddrs[key]
+		if !ok {
+			log.Crit("could not find address in map - should never happen")
+		}
+		bal := db.GetBalance(addr)
+		if bal.Sign() != 0 {
 			log.Error(
-				"supply mismatch",
-				"migrated", totalMigrated.String(),
-				"supply", totalSupply.String(),
-				"delta", delta.String(),
-				"exp_delta", params.ExpectedSupplyDelta.String(),
+				"account has non-zero balance in state - should never happen",
+				"addr", addr,
+				"balance", bal.String(),
 			)
+			if !noCheck {
+				return fmt.Errorf("account has non-zero balance in state - should never happen: %s", addr.String())
+			}
+		}
+
+		// Add balances to the total found.
+		switch slotType {
+		case BalanceSlot:
+			// Send the data to the channel.
+			outCh <- accountData{
+				balance:    value.Big(),
+				legacySlot: key,
+				address:    addr,
+			}
+		case AllowanceSlot:
+			// Allowance slot. Do nothing here.
+		default:
+			// Should never happen.
+			if noCheck {
+				log.Error("unknown slot type", "slot", key, "type", slotType)
 			} else {
-			log.Crit(
+				log.Crit("unknown slot type %d, should never happen", slotType)
+			}
+		}
+
+		return nil
+	}, checkJobs)
+
+	if err != nil {
+		return err
+	}
+
+	// Close the outCh to cancel the collector. The collector will signal that it's done
+	// using doneCh. Any values waiting to be read from outCh will be read before the
+	// collector exits.
+	close(outCh)
+	<-doneCh
+
+	// Log how many slots were iterated over.
+	log.Info("Iterated legacy balances", "count", count)
+
+	// Verify the supply delta. Recorded total supply in the LegacyERC20ETH contract may be higher
+	// than the actual migrated amount because self-destructs will remove ETH supply in a way that
+	// cannot be reflected in the contract. This is fine because self-destructs just mean the L2 is
+	// actually *overcollateralized* by some tiny amount.
+	db, err := dbFactory()
+	if err != nil {
+		log.Crit("cannot get database", "err", err)
+	}
+
+	totalSupply := getOVMETHTotalSupply(db)
+	delta := new(big.Int).Sub(totalSupply, totalFound)
+	if delta.Cmp(expDiff) != 0 {
+		log.Error(
 			"supply mismatch",
-				"migrated", totalMigrated.String(),
+			"migrated", totalFound.String(),
 			"supply", totalSupply.String(),
 			"delta", delta.String(),
-				"exp_delta", params.ExpectedSupplyDelta.String(),
+			"exp_delta", expDiff.String(),
 		)
+		if !noCheck {
+			return fmt.Errorf("supply mismatch: %s", delta.String())
 		}
 	}
 
+	// Supply is verified.
+	log.Info(
+		"supply verified OK",
+		"migrated", totalFound.String(),
+		"supply", totalSupply.String(),
+		"delta", delta.String(),
+		"exp_delta", expDiff.String(),
+	)
+
 	// Set the total supply to 0. We do this because the total supply is necessarily going to be
 	// different than the sum of all balances since we no longer track balances inside the contract
 	// itself. The total supply is going to be weird no matter what, might as well set it to zero
 	// so it's explicitly weird instead of implicitly weird.
-	db.SetState(predeploys.LegacyERC20ETHAddr, getOVMETHTotalSupplySlot(), common.Hash{})
+	mutableDB.SetState(predeploys.LegacyERC20ETHAddr, getOVMETHTotalSupplySlot(), common.Hash{})
 	log.Info("Set the totalSupply to 0")
 
-	// Fin.
 	return nil
 }

op-chain-ops/ether/precheck_test.go → op-chain-ops/ether/migrate_test.go

 package ether
 
 import (
-	"bytes"
 	"math/big"
 	"math/rand"
-	"os"
-	"sort"
 	"testing"
 
-	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum-optimism/optimism/op-chain-ops/util"
+
+	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
 
 	"github.com/ethereum-optimism/optimism/op-chain-ops/crossdomain"
 	"github.com/ethereum/go-ethereum/common"
@@ -18,9 +17,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestPreCheckBalances(t *testing.T) {
-	log.Root().SetHandler(log.StreamHandler(os.Stderr, log.TerminalFormat(true)))
-
+func TestMigrateBalances(t *testing.T) {
 	tests := []struct {
 		name            string
 		totalSupply     *big.Int
@@ -29,7 +26,7 @@ func TestPreCheckBalances(t *testing.T) {
 		stateAllowances map[common.Address]common.Address
 		inputAddresses  []common.Address
 		inputAllowances []*crossdomain.Allowance
-		check           func(t *testing.T, addrs FilteredOVMETHAddresses, err error)
+		check           func(t *testing.T, db *state.StateDB, err error)
 	}{
 		{
 			name:        "everything matches",
@@ -52,12 +49,11 @@ func TestPreCheckBalances(t *testing.T) {
 					To:   common.HexToAddress("0x456"),
 				},
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.NoError(t, err)
-				require.EqualValues(t, FilteredOVMETHAddresses{
-					common.HexToAddress("0x123"),
-					common.HexToAddress("0x456"),
-				}, addrs)
+				require.EqualValues(t, common.Big1, db.GetBalance(common.HexToAddress("0x123")))
+				require.EqualValues(t, common.Big2, db.GetBalance(common.HexToAddress("0x456")))
+				require.EqualValues(t, common.Hash{}, db.GetState(predeploys.LegacyERC20ETHAddr, GetOVMETHTotalSupplySlot()))
 			},
 		},
 		{
@@ -71,11 +67,11 @@ func TestPreCheckBalances(t *testing.T) {
 				common.HexToAddress("0x123"),
 				common.HexToAddress("0x456"),
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.NoError(t, err)
-				require.EqualValues(t, FilteredOVMETHAddresses{
-					common.HexToAddress("0x123"),
-				}, addrs)
+				require.EqualValues(t, common.Big1, db.GetBalance(common.HexToAddress("0x123")))
+				require.EqualValues(t, common.Big0, db.GetBalance(common.HexToAddress("0x456")))
+				require.EqualValues(t, common.Hash{}, db.GetState(predeploys.LegacyERC20ETHAddr, GetOVMETHTotalSupplySlot()))
 			},
 		},
 		{
@@ -102,11 +98,11 @@ func TestPreCheckBalances(t *testing.T) {
 					To:   common.HexToAddress("0x789"),
 				},
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.NoError(t, err)
-				require.EqualValues(t, FilteredOVMETHAddresses{
-					common.HexToAddress("0x123"),
-				}, addrs)
+				require.EqualValues(t, common.Big1, db.GetBalance(common.HexToAddress("0x123")))
+				require.EqualValues(t, common.Big0, db.GetBalance(common.HexToAddress("0x456")))
+				require.EqualValues(t, common.Hash{}, db.GetState(predeploys.LegacyERC20ETHAddr, GetOVMETHTotalSupplySlot()))
 			},
 		},
 		{
@@ -120,7 +116,7 @@ func TestPreCheckBalances(t *testing.T) {
 			inputAddresses: []common.Address{
 				common.HexToAddress("0x123"),
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.Error(t, err)
 				require.ErrorContains(t, err, "unknown storage slot")
 			},
@@ -145,7 +141,7 @@ func TestPreCheckBalances(t *testing.T) {
 					To:   common.HexToAddress("0x456"),
 				},
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.Error(t, err)
 				require.ErrorContains(t, err, "unknown storage slot")
 			},
@@ -162,7 +158,7 @@ func TestPreCheckBalances(t *testing.T) {
 				common.HexToAddress("0x123"),
 				common.HexToAddress("0x456"),
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.Error(t, err)
 				require.ErrorContains(t, err, "supply mismatch")
 			},
@@ -179,35 +175,25 @@ func TestPreCheckBalances(t *testing.T) {
 				common.HexToAddress("0x123"),
 				common.HexToAddress("0x456"),
 			},
-			check: func(t *testing.T, addrs FilteredOVMETHAddresses, err error) {
+			check: func(t *testing.T, db *state.StateDB, err error) {
 				require.NoError(t, err)
-				require.EqualValues(t, FilteredOVMETHAddresses{
-					common.HexToAddress("0x123"),
-					common.HexToAddress("0x456"),
-				}, addrs)
+				require.EqualValues(t, common.Big1, db.GetBalance(common.HexToAddress("0x123")))
+				require.EqualValues(t, common.Big2, db.GetBalance(common.HexToAddress("0x456")))
 			},
 		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			db := makeLegacyETH(t, tt.totalSupply, tt.stateBalances, tt.stateAllowances)
-			factory := func() (*state.StateDB, error) {
-				return db, nil
-			}
-			addrs, err := doMigration(factory, tt.inputAddresses, tt.inputAllowances, tt.expDiff, false)
-
-			// Sort the addresses since they come in in a random order.
-			sort.Slice(addrs, func(i, j int) bool {
-				return bytes.Compare(addrs[i][:], addrs[j][:]) < 0
-			})
-
-			tt.check(t, addrs, err)
+			db, factory := makeLegacyETH(t, tt.totalSupply, tt.stateBalances, tt.stateAllowances)
+			err := doMigration(db, factory, tt.inputAddresses, tt.inputAllowances, tt.expDiff, false)
+			tt.check(t, db, err)
 		})
 	}
 }
 
-func makeLegacyETH(t *testing.T, totalSupply *big.Int, balances map[common.Address]*big.Int, allowances map[common.Address]common.Address) *state.StateDB {
-	db, err := state.New(common.Hash{}, state.NewDatabaseWithConfig(rawdb.NewMemoryDatabase(), &trie.Config{
+func makeLegacyETH(t *testing.T, totalSupply *big.Int, balances map[common.Address]*big.Int, allowances map[common.Address]common.Address) (*state.StateDB, util.DBFactory) {
+	memDB := rawdb.NewMemoryDatabase()
+	db, err := state.New(common.Hash{}, state.NewDatabaseWithConfig(memDB, &trie.Config{
 		Preimages: true,
 		Cache:     1024,
 	}), nil)
@@ -235,13 +221,77 @@ func makeLegacyETH(t *testing.T, totalSupply *big.Int, balances map[common.Addre
 	err = db.Database().TrieDB().Commit(root, true)
 	require.NoError(t, err)
 
-	return db
+	return db, func() (*state.StateDB, error) {
+		return state.New(root, state.NewDatabaseWithConfig(memDB, &trie.Config{
+			Preimages: true,
+			Cache:     1024,
+		}), nil)
+	}
 }
 
-// TestPreCheckBalancesRandom tests that the pre-check balances function works
+// TestMigrateBalancesRandomOK tests that the pre-check balances function works
 // with random addresses. This test makes sure that the partition logic doesn't
-// miss anything.
-func TestPreCheckBalancesRandom(t *testing.T) {
+// miss anything, and helps detect concurrency errors.
+func TestMigrateBalancesRandomOK(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		addresses, stateBalances, allowances, stateAllowances, totalSupply := setupRandTest(t)
+
+		db, factory := makeLegacyETH(t, totalSupply, stateBalances, stateAllowances)
+		err := doMigration(db, factory, addresses, allowances, big.NewInt(0), false)
+		require.NoError(t, err)
+
+		for addr, expBal := range stateBalances {
+			actBal := db.GetBalance(addr)
+			require.EqualValues(t, expBal, actBal)
+		}
+	}
+}
+
+// TestMigrateBalancesRandomMissing tests that the pre-check balances function works
+// with random addresses when some of them are missing. This helps make sure that the
+// partition logic doesn't miss anything, and helps detect concurrency errors.
+func TestMigrateBalancesRandomMissing(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		addresses, stateBalances, allowances, stateAllowances, totalSupply := setupRandTest(t)
+
+		if len(addresses) == 0 {
+			continue
+		}
+
+		// Remove a random address from the list of witnesses
+		idx := rand.Intn(len(addresses))
+		addresses = append(addresses[:idx], addresses[idx+1:]...)
+
+		db, factory := makeLegacyETH(t, totalSupply, stateBalances, stateAllowances)
+		err := doMigration(db, factory, addresses, allowances, big.NewInt(0), false)
+		require.ErrorContains(t, err, "unknown storage slot")
+	}
+
+	for i := 0; i < 100; i++ {
+		addresses, stateBalances, allowances, stateAllowances, totalSupply := setupRandTest(t)
+
+		if len(allowances) == 0 {
+			continue
+		}
+
+		// Remove a random allowance from the list of witnesses
+		idx := rand.Intn(len(allowances))
+		allowances = append(allowances[:idx], allowances[idx+1:]...)
+
+		db, factory := makeLegacyETH(t, totalSupply, stateBalances, stateAllowances)
+		err := doMigration(db, factory, addresses, allowances, big.NewInt(0), false)
+		require.ErrorContains(t, err, "unknown storage slot")
+	}
+}
+
+func randAddr(t *testing.T) common.Address {
+	var addr common.Address
+	_, err := rand.Read(addr[:])
+	require.NoError(t, err)
+	return addr
+}
+
+func setupRandTest(t *testing.T) ([]common.Address, map[common.Address]*big.Int, []*crossdomain.Allowance, map[common.Address]common.Address, *big.Int) {
 	addresses := make([]common.Address, 0)
 	stateBalances := make(map[common.Address]*big.Int)
 
@@ -250,19 +300,14 @@ func TestPreCheckBalancesRandom(t *testing.T) {
 
 	totalSupply := big.NewInt(0)
 
-	for i := 0; i < 100; i++ {
-		for i := 0; i < rand.Intn(1000); i++ {
+	for j := 0; j < rand.Intn(10000); j++ {
 		addr := randAddr(t)
 		addresses = append(addresses, addr)
 		stateBalances[addr] = big.NewInt(int64(rand.Intn(1_000_000)))
 		totalSupply = new(big.Int).Add(totalSupply, stateBalances[addr])
 	}
 
-		sort.Slice(addresses, func(i, j int) bool {
-			return bytes.Compare(addresses[i][:], addresses[j][:]) < 0
-		})
-
-		for i := 0; i < rand.Intn(1000); i++ {
+	for j := 0; j < rand.Intn(1000); j++ {
 		addr := randAddr(t)
 		to := randAddr(t)
 		allowances = append(allowances, &crossdomain.Allowance{
@@ -272,24 +317,5 @@ func TestPreCheckBalancesRandom(t *testing.T) {
 		stateAllowances[addr] = to
 	}
 
-		db := makeLegacyETH(t, totalSupply, stateBalances, stateAllowances)
-		factory := func() (*state.StateDB, error) {
-			return db, nil
-		}
-
-		outAddrs, err := doMigration(factory, addresses, allowances, big.NewInt(0), false)
-		require.NoError(t, err)
-
-		sort.Slice(outAddrs, func(i, j int) bool {
-			return bytes.Compare(outAddrs[i][:], outAddrs[j][:]) < 0
-		})
-		require.EqualValues(t, addresses, outAddrs)
-	}
-}
-
-func randAddr(t *testing.T) common.Address {
-	var addr common.Address
-	_, err := rand.Read(addr[:])
-	require.NoError(t, err)
-	return addr
+	return addresses, stateBalances, allowances, stateAllowances, totalSupply
 }

op-chain-ops/ether/precheck.go

-package ether
-
-import (
-	"fmt"
-	"math/big"
-	"sync"
-
-	"github.com/ethereum/go-ethereum/rlp"
-	"github.com/ethereum/go-ethereum/trie"
-
-	"github.com/ethereum-optimism/optimism/op-chain-ops/crossdomain"
-	"github.com/ethereum-optimism/optimism/op-chain-ops/util"
-
-	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
-	"github.com/ethereum/go-ethereum/common"
-	"github.com/ethereum/go-ethereum/core/state"
-	"github.com/ethereum/go-ethereum/log"
-)
-
-const (
-	// checkJobs is the number of parallel workers to spawn
-	// when iterating the storage trie.
-	checkJobs = 64
-)
-
-// maxSlot is the maximum possible storage slot.
-var maxSlot = common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")
-
-// accountData is a wrapper struct that contains the balance and address of an account.
-// It gets passed via channel to the collector process.
-type accountData struct {
-	balance *big.Int
-	address common.Address
-}
-
-type DBFactory func() (*state.StateDB, error)
-
-// PreCheckBalances checks that the given list of addresses and allowances represents all storage
-// slots in the LegacyERC20ETH contract. We don't have to filter out extra addresses like we do for
-// withdrawals because we'll simply carry the balance of a given address to the new system, if the
-// account is extra then it won't have any balance and nothing will happen.
-func PreCheckBalances(dbFactory DBFactory, addresses []common.Address, allowances []*crossdomain.Allowance, chainID int, noCheck bool) (FilteredOVMETHAddresses, error) {
-	// Chain params to use for integrity checking.
-	params := crossdomain.ParamsByChainID[chainID]
-	if params == nil {
-		return nil, fmt.Errorf("no chain params for %d", chainID)
-	}
-
-	return doMigration(dbFactory, addresses, allowances, params.ExpectedSupplyDelta, noCheck)
-}
-
-func doMigration(dbFactory DBFactory, addresses []common.Address, allowances []*crossdomain.Allowance, expDiff *big.Int, noCheck bool) (FilteredOVMETHAddresses, error) {
-	// We'll need to maintain a list of all addresses that we've seen along with all of the storage
-	// slots based on the witness data.
-	addrs := make([]common.Address, 0)
-	slotsAddrs := make(map[common.Hash]common.Address)
-	slotsInp := make(map[common.Hash]int)
-
-	// For each known address, compute its balance key and add it to the list of addresses.
-	// Mint events are instrumented as regular ETH events in the witness data, so we no longer
-	// need to iterate over mint events during the migration.
-	for _, addr := range addresses {
-		sk := CalcOVMETHStorageKey(addr)
-		slotsAddrs[sk] = addr
-		slotsInp[sk] = 1
-	}
-
-	// For each known allowance, compute its storage key and add it to the list of addresses.
-	for _, allowance := range allowances {
-		sk := CalcAllowanceStorageKey(allowance.From, allowance.To)
-		slotsAddrs[sk] = allowance.From
-		slotsInp[sk] = 2
-	}
-
-	// Add the old SequencerEntrypoint because someone sent it ETH a long time ago and it has a
-	// balance but none of our instrumentation could easily find it. Special case.
-	sequencerEntrypointAddr := common.HexToAddress("0x4200000000000000000000000000000000000005")
-	entrySK := CalcOVMETHStorageKey(sequencerEntrypointAddr)
-	slotsAddrs[entrySK] = sequencerEntrypointAddr
-	slotsInp[entrySK] = 1
-
-	// WaitGroup to wait on each iteration job to finish.
-	var wg sync.WaitGroup
-	// Channel to receive storage slot keys and values from each iteration job.
-	outCh := make(chan accountData)
-	// Channel to receive errors from each iteration job.
-	errCh := make(chan error, checkJobs)
-	// Channel to cancel all iteration jobs as well as the collector.
-	cancelCh := make(chan struct{})
-
-	// Keep track of the total migrated supply.
-	totalFound := new(big.Int)
-
-	// Divide the key space into partitions by dividing the key space by the number
-	// of jobs. This will leave some slots left over, which we handle below.
-	partSize := new(big.Int).Div(maxSlot.Big(), big.NewInt(checkJobs))
-
-	// Define a worker function to iterate over each partition.
-	worker := func(start, end common.Hash) {
-		// Decrement the WaitGroup when the function returns.
-		defer wg.Done()
-
-		db, err := dbFactory()
-		if err != nil {
-			log.Crit("cannot get database", "err", err)
-		}
-
-		// Create a new storage trie. Each trie returned by db.StorageTrie
-		// is a copy, so this is safe for concurrent use.
-		st, err := db.StorageTrie(predeploys.LegacyERC20ETHAddr)
-		if err != nil {
-			// Should never happen, so explode if it does.
-			log.Crit("cannot get storage trie for LegacyERC20ETHAddr", "err", err)
-		}
-		if st == nil {
-			// Should never happen, so explode if it does.
-			log.Crit("nil storage trie for LegacyERC20ETHAddr")
-		}
-
-		it := trie.NewIterator(st.NodeIterator(start.Bytes()))
-
-		// Below code is largely based on db.ForEachStorage. We can't use that
-		// because it doesn't allow us to specify a start and end key.
-		for it.Next() {
-			select {
-			case <-cancelCh:
-				// If one of the workers encounters an error, cancel all of them.
-				return
-			default:
-				break
-			}
-
-			// Use the raw (i.e., secure hashed) key to check if we've reached
-			// the end of the partition.
-			if new(big.Int).SetBytes(it.Key).Cmp(end.Big()) >= 0 {
-				return
-			}
-
-			// Skip if the value is empty.
-			rawValue := it.Value
-			if len(rawValue) == 0 {
-				continue
-			}
-
-			// Get the preimage.
-			key := common.BytesToHash(st.GetKey(it.Key))
-
-			// Parse the raw value.
-			_, content, _, err := rlp.Split(rawValue)
-			if err != nil {
-				// Should never happen, so explode if it does.
-				log.Crit("mal-formed data in state: %v", err)
-			}
-
-			// We can safely ignore specific slots (totalSupply, name, symbol).
-			if ignoredSlots[key] {
-				continue
-			}
-
-			slotType, ok := slotsInp[key]
-			if !ok {
-				if noCheck {
-					log.Error("ignoring unknown storage slot in state", "slot", key.String())
-				} else {
-					errCh <- fmt.Errorf("unknown storage slot in state: %s", key.String())
-					return
-				}
-			}
-
-			// No accounts should have a balance in state. If they do, bail.
-			addr, ok := slotsAddrs[key]
-			if !ok {
-				log.Crit("could not find address in map - should never happen")
-			}
-			bal := db.GetBalance(addr)
-			if bal.Sign() != 0 {
-				log.Error(
-					"account has non-zero balance in state - should never happen",
-					"addr", addr,
-					"balance", bal.String(),
-				)
-				if !noCheck {
-					errCh <- fmt.Errorf("account has non-zero balance in state - should never happen: %s", addr.String())
-					return
-				}
-			}
-
-			// Add balances to the total found.
-			switch slotType {
-			case 1:
-				// Convert the value to a common.Hash, then send to the channel.
-				value := common.BytesToHash(content)
-				outCh <- accountData{
-					balance: value.Big(),
-					address: addr,
-				}
-			case 2:
-				// Allowance slot.
-				continue
-			default:
-				// Should never happen.
-				if noCheck {
-					log.Error("unknown slot type", "slot", key, "type", slotType)
-				} else {
-					log.Crit("unknown slot type %d, should never happen", slotType)
-				}
-			}
-		}
-	}
-
-	for i := 0; i < checkJobs; i++ {
-		wg.Add(1)
-
-		// Compute the start and end keys for this partition.
-		start := common.BigToHash(new(big.Int).Mul(big.NewInt(int64(i)), partSize))
-		var end common.Hash
-		if i < checkJobs-1 {
-			// If this is not the last partition, use the next partition's start key as the end.
-			end = common.BigToHash(new(big.Int).Mul(big.NewInt(int64(i+1)), partSize))
-		} else {
-			// If this is the last partition, use the max slot as the end.
-			end = maxSlot
-		}
-
-		// Kick off our worker.
-		go worker(start, end)
-	}
-
-	// Make a channel to make sure that the collector process completes.
-	collectorCloseCh := make(chan struct{})
-
-	// Keep track of the last error seen.
-	var lastErr error
-
-	// There are multiple ways that the cancel channel can be closed:
-	// - if we receive an error from the errCh
-	// - if the collector process completes
-	// To prevent panics, we wrap the close in a sync.Once.
-	var cancelOnce sync.Once
-
-	// Kick off another background process to collect
-	// values from the channel and add them to the map.
-	var count int
-	progress := util.ProgressLogger(1000, "Collected OVM_ETH storage slot")
-	go func() {
-		defer func() {
-			collectorCloseCh <- struct{}{}
-		}()
-		for {
-			select {
-			case account := <-outCh:
-				progress()
-				// Accumulate addresses and total supply.
-				addrs = append(addrs, account.address)
-				totalFound = new(big.Int).Add(totalFound, account.balance)
-			case err := <-errCh:
-				lastErr = err
-				cancelOnce.Do(func() {
-					close(cancelCh)
-				})
-			case <-cancelCh:
-				return
-			}
-		}
-	}()
-
-	// Wait for the workers to finish.
-	wg.Wait()
-	// Close the cancel channel to signal the collector process to stop.
-	cancelOnce.Do(func() {
-		close(cancelCh)
-	})
-
-	// Wait for the collector process to finish.
-	<-collectorCloseCh
-
-	// If we saw an error, return it.
-	if lastErr != nil {
-		return nil, lastErr
-	}
-
-	// Log how many slots were iterated over.
-	log.Info("Iterated legacy balances", "count", count)
-
-	// Verify the supply delta. Recorded total supply in the LegacyERC20ETH contract may be higher
-	// than the actual migrated amount because self-destructs will remove ETH supply in a way that
-	// cannot be reflected in the contract. This is fine because self-destructs just mean the L2 is
-	// actually *overcollateralized* by some tiny amount.
-	db, err := dbFactory()
-	if err != nil {
-		log.Crit("cannot get database", "err", err)
-	}
-
-	totalSupply := getOVMETHTotalSupply(db)
-	delta := new(big.Int).Sub(totalSupply, totalFound)
-	if delta.Cmp(expDiff) != 0 {
-		log.Error(
-			"supply mismatch",
-			"migrated", totalFound.String(),
-			"supply", totalSupply.String(),
-			"delta", delta.String(),
-			"exp_delta", expDiff.String(),
-		)
-		if !noCheck {
-			return nil, fmt.Errorf("supply mismatch: %s", delta.String())
-		}
-	}
-
-	// Supply is verified.
-	log.Info(
-		"supply verified OK",
-		"migrated", totalFound.String(),
-		"supply", totalSupply.String(),
-		"delta", delta.String(),
-		"exp_delta", expDiff.String(),
-	)
-
-	// We know we have at least a superset of all addresses here since we know that we have every
-	// storage slot. It's fine to have extras because they won't have any balance.
-	return addrs, nil
-}

op-chain-ops/genesis/check.go

@@ -6,6 +6,9 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
+	"math/rand"
+
+	"github.com/ethereum-optimism/optimism/op-chain-ops/util"
 
 	"github.com/ethereum-optimism/optimism/op-chain-ops/ether"
 
@@ -24,11 +27,21 @@ import (
 	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 )
 
-// MaxSlotChecks is the maximum number of storage slots to check
-// when validating the untouched predeploys. This limit is in place
-// to bound execution time of the migration. We can parallelize this
-// in the future.
-const MaxSlotChecks = 1000
+const (
+	// MaxPredeploySlotChecks is the maximum number of storage slots to check
+	// when validating the untouched predeploys. This limit is in place
+	// to bound execution time of the migration. We can parallelize this
+	// in the future.
+	MaxPredeploySlotChecks = 1000
+
+	// MaxOVMETHSlotChecks is the maximum number of OVM ETH storage slots to check
+	// when validating the OVM ETH migration.
+	MaxOVMETHSlotChecks = 5000
+
+	// OVMETHSampleLikelihood is the probability that a storage slot will be checked
+	// when validating the OVM ETH migration.
+	OVMETHSampleLikelihood = 0.1
+)
 
 type StorageCheckMap = map[common.Hash]common.Hash
 
@@ -146,7 +159,7 @@ func PostCheckMigratedDB(
 	}
 	log.Info("checked L1Block")
 
-	if err := PostCheckLegacyETH(db); err != nil {
+	if err := PostCheckLegacyETH(prevDB, db, migrationData); err != nil {
 		return err
 	}
 	log.Info("checked legacy eth")
@@ -208,7 +221,7 @@ func PostCheckUntouchables(udb state.Database, currDB *state.StateDB, prevRoot c
 		if err := prevDB.ForEachStorage(addr, func(key, value common.Hash) bool {
 			count++
 			expSlots[key] = value
-			return count < MaxSlotChecks
+			return count < MaxPredeploySlotChecks
 		}); err != nil {
 			return fmt.Errorf("error iterating over storage: %w", err)
 		}
@@ -363,14 +376,94 @@ func PostCheckPredeployStorage(db vm.StateDB, finalSystemOwner common.Address, p
 }
 
 // PostCheckLegacyETH checks that the legacy eth migration was successful.
-// It currently only checks that the total supply was set to 0.
-func PostCheckLegacyETH(db vm.StateDB) error {
+// It checks that the total supply was set to 0, and randomly samples storage
+// slots pre- and post-migration to ensure that balances were correctly migrated.
+func PostCheckLegacyETH(prevDB, migratedDB *state.StateDB, migrationData crossdomain.MigrationData) error {
+	allowanceSlots := make(map[common.Hash]bool)
+	addresses := make(map[common.Hash]common.Address)
+
+	log.Info("recomputing witness data")
+	for _, allowance := range migrationData.OvmAllowances {
+		key := ether.CalcAllowanceStorageKey(allowance.From, allowance.To)
+		allowanceSlots[key] = true
+	}
+
+	for _, addr := range migrationData.Addresses() {
+		addresses[ether.CalcOVMETHStorageKey(addr)] = addr
+	}
+
+	log.Info("checking legacy eth fixed storage slots")
 	for slot, expValue := range LegacyETHCheckSlots {
-		actValue := db.GetState(predeploys.LegacyERC20ETHAddr, slot)
+		actValue := migratedDB.GetState(predeploys.LegacyERC20ETHAddr, slot)
 		if actValue != expValue {
 			return fmt.Errorf("expected slot %s on %s to be %s, but got %s", slot, predeploys.LegacyERC20ETHAddr, expValue, actValue)
 		}
 	}
+
+	var count int
+	threshold := 100 - int(100*OVMETHSampleLikelihood)
+	progress := util.ProgressLogger(100, "checking legacy eth balance slots")
+	var innerErr error
+	err := prevDB.ForEachStorage(predeploys.LegacyERC20ETHAddr, func(key, value common.Hash) bool {
+		val := rand.Intn(100)
+
+		// Randomly sample storage slots.
+		if val > threshold {
+			return true
+		}
+
+		// Ignore fixed slots.
+		if _, ok := LegacyETHCheckSlots[key]; ok {
+			return true
+		}
+
+		// Ignore allowances.
+		if allowanceSlots[key] {
+			return true
+		}
+
+		// Grab the address, and bail if we can't find it.
+		addr, ok := addresses[key]
+		if !ok {
+			innerErr = fmt.Errorf("unknown OVM_ETH storage slot %s", key)
+			return false
+		}
+
+		// Pull out the pre-migration OVM ETH balance, and the state balance.
+		ovmETHBalance := value.Big()
+		ovmETHStateBalance := prevDB.GetBalance(addr)
+		// Pre-migration state balance should be zero.
+		if ovmETHStateBalance.Cmp(common.Big0) != 0 {
+			innerErr = fmt.Errorf("expected OVM_ETH pre-migration state balance for %s to be 0, but got %s", addr, ovmETHStateBalance)
+			return false
+		}
+
+		// Migrated state balance should equal the OVM ETH balance.
+		migratedStateBalance := migratedDB.GetBalance(addr)
+		if migratedStateBalance.Cmp(ovmETHBalance) != 0 {
+			innerErr = fmt.Errorf("expected OVM_ETH post-migration state balance for %s to be %s, but got %s", addr, ovmETHStateBalance, migratedStateBalance)
+			return false
+		}
+		// Migrated OVM ETH balance should be zero, since we wipe the slots.
+		migratedBalance := migratedDB.GetState(predeploys.LegacyERC20ETHAddr, key)
+		if migratedBalance.Big().Cmp(common.Big0) != 0 {
+			innerErr = fmt.Errorf("expected OVM_ETH post-migration ERC20 balance for %s to be 0, but got %s", addr, migratedBalance)
+			return false
+		}
+
+		progress()
+		count++
+
+		// Stop iterating if we've checked enough slots.
+		return count < MaxOVMETHSlotChecks
+	})
+	if err != nil {
+		return fmt.Errorf("error iterating over OVM_ETH storage: %w", err)
+	}
+	if innerErr != nil {
+		return innerErr
+	}
+
 	return nil
 }
 
@@ -508,7 +601,9 @@ func CheckWithdrawalsAfter(db vm.StateDB, data crossdomain.MigrationData, l1Cros
 	// Now, iterate over each legacy withdrawal and check if there is a corresponding
 	// migrated withdrawal.
 	var innerErr error
+	progress := util.ProgressLogger(1000, "checking withdrawals")
 	err = db.ForEachStorage(predeploys.LegacyMessagePasserAddr, func(key, value common.Hash) bool {
+		progress()
 		// The legacy message passer becomes a proxy during the migration,
 		// so we need to ignore the implementation/admin slots.
 		if key == ImplementationSlot || key == AdminSlot {

op-chain-ops/genesis/config.go

@@ -76,6 +76,8 @@ type DeployConfig struct {
 	ProxyAdminOwner common.Address `json:"proxyAdminOwner"`
 	// Owner of the system on L1
 	FinalSystemOwner common.Address `json:"finalSystemOwner"`
+	// GUARDIAN account in the OptimismPortal
+	PortalGuardian common.Address `json:"portalGuardian"`
 	// L1 recipient of fees accumulated in the BaseFeeVault
 	BaseFeeVaultRecipient common.Address `json:"baseFeeVaultRecipient"`
 	// L1 recipient of fees accumulated in the L1FeeVault
@@ -128,6 +130,9 @@ func (d *DeployConfig) Check() error {
 	if d.FinalizationPeriodSeconds == 0 {
 		return fmt.Errorf("%w: FinalizationPeriodSeconds cannot be 0", ErrInvalidDeployConfig)
 	}
+	if d.PortalGuardian == (common.Address{}) {
+		return fmt.Errorf("%w: PortalGuardian cannot be address(0)", ErrInvalidDeployConfig)
+	}
 	if d.MaxSequencerDrift == 0 {
 		return fmt.Errorf("%w: MaxSequencerDrift cannot be 0", ErrInvalidDeployConfig)
 	}

op-chain-ops/genesis/db_migration.go

@@ -143,16 +143,6 @@ func MigrateDB(ldb ethdb.Database, config *DeployConfig, l1Block *types.Block, m
 		filteredWithdrawals = crossdomain.SafeFilteredWithdrawals(unfilteredWithdrawals)
 	}
 
-	// We also need to verify that we have all of the storage slots for the LegacyERC20ETH contract
-	// that we expect to have. An error will be thrown if there are any missing storage slots.
-	// Unlike with withdrawals, we do not need to filter out extra addresses because their balances
-	// would necessarily be zero and therefore not affect the migration.
-	log.Info("Checking addresses...", "no-check", noCheck)
-	addrs, err := ether.PreCheckBalances(dbFactory, migrationData.Addresses(), migrationData.OvmAllowances, int(config.L1ChainID), noCheck)
-	if err != nil {
-		return nil, fmt.Errorf("addresses mismatch: %w", err)
-	}
-
 	// At this point we've fully verified the witness data for the migration, so we can begin the
 	// actual migration process. This involves modifying parts of the legacy database and inserting
 	// a transition block.
@@ -202,11 +192,12 @@ func MigrateDB(ldb ethdb.Database, config *DeployConfig, l1Block *types.Block, m
 	}
 
 	// Finally we migrate the balances held inside the LegacyERC20ETH contract into the state trie.
-	// We also delete the balances from the LegacyERC20ETH contract.
+	// We also delete the balances from the LegacyERC20ETH contract. Unlike the steps above, this step
+	// combines the check and mutation steps into one in order to reduce migration time.
 	log.Info("Starting to migrate ERC20 ETH")
-	err = ether.MigrateLegacyETH(db, addrs, int(config.L1ChainID), noCheck)
+	err = ether.MigrateBalances(db, dbFactory, migrationData.Addresses(), migrationData.OvmAllowances, int(config.L1ChainID), noCheck)
 	if err != nil {
-		return nil, fmt.Errorf("cannot migrate legacy eth: %w", err)
+		return nil, fmt.Errorf("failed to migrate OVM_ETH: %w", err)
 	}
 
 	// We're done messing around with the database, so we can now commit the changes to the DB.

op-chain-ops/genesis/layer_one.go

@@ -295,7 +295,7 @@ func deployL1Contracts(config *DeployConfig, backend *backends.SimulatedBackend)
 			Name: "OptimismPortal",
 			Args: []interface{}{
 				predeploys.DevL2OutputOracleAddr,
-				config.FinalSystemOwner,
+				config.PortalGuardian,
 				true, // _paused
 			},
 		},

op-chain-ops/genesis/testdata/test-deploy-config-full.json

@@ -19,6 +19,7 @@
   "l1GenesisBlockGasLimit": "0xe4e1c0",
   "l1GenesisBlockDifficulty": "0x1",
   "finalSystemOwner": "0x0000000000000000000000000000000000000111",
+  "portalGuardian": "0x0000000000000000000000000000000000000112",
   "finalizationPeriodSeconds": 2,
   "l1GenesisBlockMixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
   "l1GenesisBlockCoinbase": "0x0000000000000000000000000000000000000000",

op-chain-ops/util/state_iterator.go

+package util
+
+import (
+	"fmt"
+	"math/big"
+	"sync"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/ethereum/go-ethereum/trie"
+)
+
+var (
+	// maxSlot is the maximum possible storage slot.
+	maxSlot = common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff")
+)
+
+type DBFactory func() (*state.StateDB, error)
+
+type StateCallback func(db *state.StateDB, key, value common.Hash) error
+
+func IterateState(dbFactory DBFactory, address common.Address, cb StateCallback, workers int) error {
+	if workers <= 0 {
+		panic("workers must be greater than 0")
+	}
+
+	// WaitGroup to wait for all workers to finish.
+	var wg sync.WaitGroup
+
+	// Channel to receive errors from each iteration job.
+	errCh := make(chan error, workers)
+	// Channel to cancel all iteration jobs.
+	cancelCh := make(chan struct{})
+
+	worker := func(start, end common.Hash) {
+		// Decrement the WaitGroup when the function returns.
+		defer wg.Done()
+
+		db, err := dbFactory()
+		if err != nil {
+			// Should never happen, so explode if it does.
+			log.Crit("cannot create state db", "err", err)
+		}
+		st, err := db.StorageTrie(address)
+		if err != nil {
+			// Should never happen, so explode if it does.
+			log.Crit("cannot get storage trie", "address", address, "err", err)
+		}
+		// st can be nil if the account doesn't exist.
+		if st == nil {
+			errCh <- fmt.Errorf("account does not exist: %s", address.Hex())
+			return
+		}
+
+		it := trie.NewIterator(st.NodeIterator(start.Bytes()))
+
+		// Below code is largely based on db.ForEachStorage. We can't use that
+		// because it doesn't allow us to specify a start and end key.
+		for it.Next() {
+			select {
+			case <-cancelCh:
+				// If one of the workers encounters an error, cancel all of them.
+				return
+			default:
+				break
+			}
+
+			// Use the raw (i.e., secure hashed) key to check if we've reached
+			// the end of the partition. Use > rather than >= here to account for
+			// the fact that the values returned by PartitionKeys are inclusive.
+			// Duplicate addresses that may be returned by this iteration are
+			// filtered out in the collector.
+			if new(big.Int).SetBytes(it.Key).Cmp(end.Big()) > 0 {
+				return
+			}
+
+			// Skip if the value is empty.
+			rawValue := it.Value
+			if len(rawValue) == 0 {
+				continue
+			}
+
+			// Get the preimage.
+			rawKey := st.GetKey(it.Key)
+			if rawKey == nil {
+				// Should never happen, so explode if it does.
+				log.Crit("cannot get preimage for storage key", "key", it.Key)
+			}
+			key := common.BytesToHash(rawKey)
+
+			// Parse the raw value.
+			_, content, _, err := rlp.Split(rawValue)
+			if err != nil {
+				// Should never happen, so explode if it does.
+				log.Crit("mal-formed data in state: %v", err)
+			}
+
+			value := common.BytesToHash(content)
+
+			// Call the callback with the DB, key, and value. Errors get
+			// bubbled up to the errCh.
+			if err := cb(db, key, value); err != nil {
+				errCh <- err
+				return
+			}
+		}
+	}
+
+	for i := 0; i < workers; i++ {
+		wg.Add(1)
+
+		// Partition the keyspace per worker.
+		start, end := PartitionKeyspace(i, workers)
+
+		// Kick off our worker.
+		go worker(start, end)
+	}
+
+	wg.Wait()
+
+	for len(errCh) > 0 {
+		err := <-errCh
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// PartitionKeyspace divides the key space into partitions by dividing the maximum keyspace
+// by count then multiplying by i. This will leave some slots left over, which we handle below. It
+// returns the start and end keys for the partition as a common.Hash. Note that the returned range
+// of keys is inclusive, i.e., [start, end] NOT [start, end).
+func PartitionKeyspace(i int, count int) (common.Hash, common.Hash) {
+	if i < 0 || count < 0 {
+		panic("i and count must be greater than 0")
+	}
+
+	if i > count-1 {
+		panic("i must be less than count - 1")
+	}
+
+	// Divide the key space into partitions by dividing the key space by the number
+	// of jobs. This will leave some slots left over, which we handle below.
+	partSize := new(big.Int).Div(maxSlot.Big(), big.NewInt(int64(count)))
+
+	start := common.BigToHash(new(big.Int).Mul(big.NewInt(int64(i)), partSize))
+	var end common.Hash
+	if i < count-1 {
+		// If this is not the last partition, use the next partition's start key as the end.
+		end = common.BigToHash(new(big.Int).Mul(big.NewInt(int64(i+1)), partSize))
+	} else {
+		// If this is the last partition, use the max slot as the end.
+		end = maxSlot
+	}
+
+	return start, end
+}

op-chain-ops/util/state_iterator_test.go

+package util
+
+import (
+	crand "crypto/rand"
+	"fmt"
+	"math/rand"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/state"
+	"github.com/ethereum/go-ethereum/trie"
+	"github.com/stretchr/testify/require"
+)
+
+var testAddr = common.Address{0: 0xff}
+
+func TestStateIteratorWorkers(t *testing.T) {
+	_, factory, _ := setupRandTest(t)
+
+	for i := -1; i <= 0; i++ {
+		require.Panics(t, func() {
+			_ = IterateState(factory, testAddr, func(db *state.StateDB, key, value common.Hash) error {
+				return nil
+			}, i)
+		})
+	}
+}
+
+func TestStateIteratorNonexistentAccount(t *testing.T) {
+	_, factory, _ := setupRandTest(t)
+
+	require.ErrorContains(t, IterateState(factory, common.Address{}, func(db *state.StateDB, key, value common.Hash) error {
+		return nil
+	}, 1), "account does not exist")
+}
+
+func TestStateIteratorRandomOK(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		hashes, factory, workerCount := setupRandTest(t)
+
+		seenHashes := make(map[common.Hash]bool)
+		hashCh := make(chan common.Hash)
+		doneCh := make(chan struct{})
+		go func() {
+			defer close(doneCh)
+			for hash := range hashCh {
+				seenHashes[hash] = true
+			}
+		}()
+
+		require.NoError(t, IterateState(factory, testAddr, func(db *state.StateDB, key, value common.Hash) error {
+			hashCh <- key
+			return nil
+		}, workerCount))
+
+		close(hashCh)
+		<-doneCh
+
+		// Perform a less or equal check here in case of duplicates. The map check below will assert
+		// that all of the hashes are accounted for.
+		require.LessOrEqual(t, len(seenHashes), len(hashes))
+
+		// Every hash we put into state should have been iterated over.
+		for _, hash := range hashes {
+			require.Contains(t, seenHashes, hash)
+		}
+	}
+}
+
+func TestStateIteratorRandomError(t *testing.T) {
+	for i := 0; i < 100; i++ {
+		hashes, factory, workerCount := setupRandTest(t)
+
+		failHash := hashes[rand.Intn(len(hashes))]
+		require.ErrorContains(t, IterateState(factory, testAddr, func(db *state.StateDB, key, value common.Hash) error {
+			if key == failHash {
+				return fmt.Errorf("test error")
+			}
+			return nil
+		}, workerCount), "test error")
+	}
+}
+
+func TestPartitionKeyspace(t *testing.T) {
+	tests := []struct {
+		i        int
+		count    int
+		expected [2]common.Hash
+	}{
+		{
+			i:     0,
+			count: 1,
+			expected: [2]common.Hash{
+				common.HexToHash("0x00"),
+				common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+			},
+		},
+		{
+			i:     0,
+			count: 2,
+			expected: [2]common.Hash{
+				common.HexToHash("0x00"),
+				common.HexToHash("0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+			},
+		},
+		{
+			i:     1,
+			count: 2,
+			expected: [2]common.Hash{
+				common.HexToHash("0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+				common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+			},
+		},
+		{
+			i:     0,
+			count: 3,
+			expected: [2]common.Hash{
+				common.HexToHash("0x00"),
+				common.HexToHash("0x5555555555555555555555555555555555555555555555555555555555555555"),
+			},
+		},
+		{
+			i:     1,
+			count: 3,
+			expected: [2]common.Hash{
+				common.HexToHash("0x5555555555555555555555555555555555555555555555555555555555555555"),
+				common.HexToHash("0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
+			},
+		},
+		{
+			i:     2,
+			count: 3,
+			expected: [2]common.Hash{
+				common.HexToHash("0xaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
+				common.HexToHash("0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"),
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(fmt.Sprintf("i %d, count %d", tt.i, tt.count), func(t *testing.T) {
+			start, end := PartitionKeyspace(tt.i, tt.count)
+			require.Equal(t, tt.expected[0], start)
+			require.Equal(t, tt.expected[1], end)
+		})
+	}
+
+	t.Run("panics on invalid i or count", func(t *testing.T) {
+		require.Panics(t, func() {
+			PartitionKeyspace(1, 1)
+		})
+		require.Panics(t, func() {
+			PartitionKeyspace(-1, 1)
+		})
+		require.Panics(t, func() {
+			PartitionKeyspace(0, -1)
+		})
+		require.Panics(t, func() {
+			PartitionKeyspace(-1, -1)
+		})
+	})
+}
+
+func setupRandTest(t *testing.T) ([]common.Hash, DBFactory, int) {
+	memDB := rawdb.NewMemoryDatabase()
+	db, err := state.New(common.Hash{}, state.NewDatabaseWithConfig(memDB, &trie.Config{
+		Preimages: true,
+		Cache:     1024,
+	}), nil)
+	require.NoError(t, err)
+
+	hashCount := rand.Intn(100)
+	if hashCount == 0 {
+		hashCount = 1
+	}
+
+	hashes := make([]common.Hash, hashCount)
+
+	db.CreateAccount(testAddr)
+
+	for j := 0; j < hashCount; j++ {
+		hashes[j] = randHash(t)
+		db.SetState(testAddr, hashes[j], hashes[j])
+	}
+
+	root, err := db.Commit(false)
+	require.NoError(t, err)
+
+	err = db.Database().TrieDB().Commit(root, true)
+	require.NoError(t, err)
+
+	factory := func() (*state.StateDB, error) {
+		return state.New(root, state.NewDatabaseWithConfig(memDB, &trie.Config{
+			Preimages: true,
+			Cache:     1024,
+		}), nil)
+	}
+
+	workerCount := rand.Intn(64)
+	if workerCount == 0 {
+		workerCount = 1
+	}
+	return hashes, factory, workerCount
+}
+
+func randHash(t *testing.T) common.Hash {
+	var h common.Hash
+	_, err := crand.Read(h[:])
+	require.NoError(t, err)
+	return h
+}

op-e2e/actions/blocktime_test.go

@@ -35,7 +35,7 @@ func TestBatchInLastPossibleBlocks(gt *testing.T) {
 			ChainID:   sd.L2Cfg.Config.ChainID,
 			Nonce:     n,
 			GasTipCap: big.NewInt(2 * params.GWei),
-			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee(), big.NewInt(2*params.GWei)),
+			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 			Gas:       params.TxGas,
 			To:        &dp.Addresses.Bob,
 			Value:     e2eutils.Ether(2),
@@ -146,7 +146,7 @@ func TestLargeL1Gaps(gt *testing.T) {
 			ChainID:   sd.L2Cfg.Config.ChainID,
 			Nonce:     n,
 			GasTipCap: big.NewInt(2 * params.GWei),
-			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee(), big.NewInt(2*params.GWei)),
+			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 			Gas:       params.TxGas,
 			To:        &dp.Addresses.Bob,
 			Value:     e2eutils.Ether(2),

op-e2e/actions/fork_test.go

@@ -21,7 +21,7 @@ func TestShapellaL1Fork(gt *testing.T) {
 
 	_, _, miner, sequencer, _, verifier, _, batcher := setupReorgTestActors(t, dp, sd, log)
 
-	require.False(t, sd.L1Cfg.Config.IsShanghai(miner.l1Chain.CurrentBlock().Time()), "not active yet")
+	require.False(t, sd.L1Cfg.Config.IsShanghai(miner.l1Chain.CurrentBlock().Time), "not active yet")
 
 	// start op-nodes
 	sequencer.ActL2PipelineFull(t)
@@ -34,7 +34,7 @@ func TestShapellaL1Fork(gt *testing.T) {
 
 	// verify Shanghai is active
 	l1Head := miner.l1Chain.CurrentBlock()
-	require.True(t, sd.L1Cfg.Config.IsShanghai(l1Head.Time()))
+	require.True(t, sd.L1Cfg.Config.IsShanghai(l1Head.Time))
 
 	// build L2 chain up to and including L2 blocks referencing shanghai L1 blocks
 	sequencer.ActL1HeadSignal(t)

op-e2e/actions/l1_miner.go

@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/trie"
+	"github.com/stretchr/testify/require"
 )
 
 // L1Miner wraps a L1Replica with instrumented block building ability.
@@ -100,6 +101,15 @@ func (s *L1Miner) ActL1IncludeTx(from common.Address) Action {
 			t.Fatalf("no pending txs from %s, and have %d unprocessable queued txs from this account", from, len(q))
 		}
 		tx := txs[i]
+		s.IncludeTx(t, tx)
+		s.pendingIndices[from] = i + 1 // won't retry the tx
+	}
+}
+
+func (s *L1Miner) IncludeTx(t Testing, tx *types.Transaction) {
+	from, err := s.l1Signer.Sender(tx)
+	require.NoError(t, err)
+	s.log.Info("including tx", "nonce", tx.Nonce(), "from", from)
 	if tx.Gas() > s.l1BuildingHeader.GasLimit {
 		t.Fatalf("tx consumes %d gas, more than available in L1 block %d", tx.Gas(), s.l1BuildingHeader.GasLimit)
 	}
@@ -107,17 +117,15 @@ func (s *L1Miner) ActL1IncludeTx(from common.Address) Action {
 		t.InvalidAction("action takes too much gas: %d, only have %d", tx.Gas(), uint64(*s.l1GasPool))
 		return
 	}
-		s.pendingIndices[from] = i + 1 // won't retry the tx
 	s.l1BuildingState.SetTxContext(tx.Hash(), len(s.l1Transactions))
 	receipt, err := core.ApplyTransaction(s.l1Cfg.Config, s.l1Chain, &s.l1BuildingHeader.Coinbase,
 		s.l1GasPool, s.l1BuildingState, s.l1BuildingHeader, tx, &s.l1BuildingHeader.GasUsed, *s.l1Chain.GetVMConfig())
 	if err != nil {
 		s.l1TxFailed = append(s.l1TxFailed, tx)
-			t.Fatalf("failed to apply transaction to L1 block (tx %d): %w", len(s.l1Transactions), err)
+		t.Fatalf("failed to apply transaction to L1 block (tx %d): %v", len(s.l1Transactions), err)
 	}
 	s.l1Receipts = append(s.l1Receipts, receipt)
 	s.l1Transactions = append(s.l1Transactions, tx)
-	}
 }
 
 func (s *L1Miner) ActL1SetFeeRecipient(coinbase common.Address) {

op-e2e/actions/l1_miner_test.go

@@ -31,7 +31,7 @@ func TestL1Miner_BuildBlock(gt *testing.T) {
 		ChainID:   sd.L1Cfg.Config.ChainID,
 		Nonce:     0,
 		GasTipCap: big.NewInt(2 * params.GWei),
-		GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee(), big.NewInt(2*params.GWei)),
+		GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 		Gas:       params.TxGas,
 		To:        &dp.Addresses.Bob,
 		Value:     e2eutils.Ether(2),
@@ -41,7 +41,8 @@ func TestL1Miner_BuildBlock(gt *testing.T) {
 	// make an empty block, even though a tx may be waiting
 	miner.ActL1StartBlock(10)(t)
 	miner.ActL1EndBlock(t)
-	bl := miner.l1Chain.CurrentBlock()
+	header := miner.l1Chain.CurrentBlock()
+	bl := miner.l1Chain.GetBlockByHash(header.Hash())
 	require.Equal(t, uint64(1), bl.NumberU64())
 	require.Zero(gt, bl.Transactions().Len())
 
@@ -49,7 +50,8 @@ func TestL1Miner_BuildBlock(gt *testing.T) {
 	miner.ActL1StartBlock(10)(t)
 	miner.ActL1IncludeTx(dp.Addresses.Alice)(t)
 	miner.ActL1EndBlock(t)
-	bl = miner.l1Chain.CurrentBlock()
+	header = miner.l1Chain.CurrentBlock()
+	bl = miner.l1Chain.GetBlockByHash(header.Hash())
 	require.Equal(t, uint64(2), bl.NumberU64())
 	require.Equal(t, 1, bl.Transactions().Len())
 	require.Equal(t, tx.Hash(), bl.Transactions()[0].Hash())

op-e2e/actions/l1_replica.go

@@ -103,9 +103,9 @@ func (s *L1Replica) ActL1RewindDepth(depth uint64) Action {
 			t.InvalidAction("cannot rewind L1 past genesis (current: %d, rewind depth: %d)", head, depth)
 			return
 		}
-		finalized := s.l1Chain.CurrentFinalizedBlock()
-		if finalized != nil && head < finalized.NumberU64()+depth {
-			t.InvalidAction("cannot rewind head of chain past finalized block %d with rewind depth %d", finalized.NumberU64(), depth)
+		finalized := s.l1Chain.CurrentFinalBlock()
+		if finalized != nil && head < finalized.Number.Uint64()+depth {
+			t.InvalidAction("cannot rewind head of chain past finalized block %d with rewind depth %d", finalized.Number.Uint64(), depth)
 			return
 		}
 		if err := s.l1Chain.SetHead(head - depth); err != nil {
@@ -188,7 +188,7 @@ func (s *L1Replica) UnsafeNum() uint64 {
 	head := s.l1Chain.CurrentBlock()
 	headNum := uint64(0)
 	if head != nil {
-		headNum = head.NumberU64()
+		headNum = head.Number.Uint64()
 	}
 	return headNum
 }
@@ -197,16 +197,16 @@ func (s *L1Replica) SafeNum() uint64 {
 	safe := s.l1Chain.CurrentSafeBlock()
 	safeNum := uint64(0)
 	if safe != nil {
-		safeNum = safe.NumberU64()
+		safeNum = safe.Number.Uint64()
 	}
 	return safeNum
 }
 
 func (s *L1Replica) FinalizedNum() uint64 {
-	finalized := s.l1Chain.CurrentFinalizedBlock()
+	finalized := s.l1Chain.CurrentFinalBlock()
 	finalizedNum := uint64(0)
 	if finalized != nil {
-		finalizedNum = finalized.NumberU64()
+		finalizedNum = finalized.Number.Uint64()
 	}
 	return finalizedNum
 }
@@ -219,7 +219,7 @@ func (s *L1Replica) ActL1Finalize(t Testing, num uint64) {
 		t.InvalidAction("need to move forward safe block before moving finalized block")
 		return
 	}
-	newFinalized := s.l1Chain.GetBlockByNumber(num)
+	newFinalized := s.l1Chain.GetHeaderByNumber(num)
 	if newFinalized == nil {
 		t.Fatalf("expected block at %d after finalized L1 block %d, safe head is ahead", num, finalizedNum)
 	}
@@ -234,7 +234,7 @@ func (s *L1Replica) ActL1FinalizeNext(t Testing) {
 
 // ActL1Safe marks the given unsafe block as safe.
 func (s *L1Replica) ActL1Safe(t Testing, num uint64) {
-	newSafe := s.l1Chain.GetBlockByNumber(num)
+	newSafe := s.l1Chain.GetHeaderByNumber(num)
 	if newSafe == nil {
 		t.InvalidAction("could not find L1 block %d, cannot label it as safe", num)
 		return

op-e2e/actions/l1_replica_test.go

@@ -85,7 +85,7 @@ func TestL1Replica_ActL1Sync(gt *testing.T) {
 	})
 	syncFromA := replica1.ActL1Sync(canonL1(chainA))
 	// sync canonical chain A
-	for replica1.l1Chain.CurrentBlock().NumberU64()+1 < uint64(len(chainA)) {
+	for replica1.l1Chain.CurrentBlock().Number.Uint64()+1 < uint64(len(chainA)) {
 		syncFromA(t)
 	}
 	require.Equal(t, replica1.l1Chain.CurrentBlock().Hash(), chainA[len(chainA)-1].Hash(), "sync replica1 to head of chain A")
@@ -94,7 +94,7 @@ func TestL1Replica_ActL1Sync(gt *testing.T) {
 
 	// sync new canonical chain B
 	syncFromB := replica1.ActL1Sync(canonL1(chainB))
-	for replica1.l1Chain.CurrentBlock().NumberU64()+1 < uint64(len(chainB)) {
+	for replica1.l1Chain.CurrentBlock().Number.Uint64()+1 < uint64(len(chainB)) {
 		syncFromB(t)
 	}
 	require.Equal(t, replica1.l1Chain.CurrentBlock().Hash(), chainB[len(chainB)-1].Hash(), "sync replica1 to head of chain B")
@@ -105,7 +105,7 @@ func TestL1Replica_ActL1Sync(gt *testing.T) {
 		_ = replica2.Close()
 	})
 	syncFromOther := replica2.ActL1Sync(replica1.CanonL1Chain())
-	for replica2.l1Chain.CurrentBlock().NumberU64()+1 < uint64(len(chainB)) {
+	for replica2.l1Chain.CurrentBlock().Number.Uint64()+1 < uint64(len(chainB)) {
 		syncFromOther(t)
 	}
 	require.Equal(t, replica2.l1Chain.CurrentBlock().Hash(), chainB[len(chainB)-1].Hash(), "sync replica2 to head of chain B")

op-e2e/actions/l2_batcher.go

@@ -91,6 +91,10 @@ func (s *L2Batcher) SubmittingData() bool {
 // ActL2BatchBuffer adds the next L2 block to the batch buffer.
 // If the buffer is being submitted, the buffer is wiped.
 func (s *L2Batcher) ActL2BatchBuffer(t Testing) {
+	require.NoError(t, s.Buffer(t), "failed to add block to channel")
+}
+
+func (s *L2Batcher) Buffer(t Testing) error {
 	if s.l2Submitting { // break ongoing submitting work if necessary
 		s.l2ChannelOut = nil
 		s.l2Submitting = false
@@ -120,7 +124,7 @@ func (s *L2Batcher) ActL2BatchBuffer(t Testing) {
 			s.l2ChannelOut = nil
 		} else {
 			s.log.Info("nothing left to submit")
-			return
+			return nil
 		}
 	}
 	// Create channel if we don't have one yet
@@ -143,9 +147,10 @@ func (s *L2Batcher) ActL2BatchBuffer(t Testing) {
 		s.l2ChannelOut = nil
 	}
 	if _, err := s.l2ChannelOut.AddBlock(block); err != nil { // should always succeed
-		t.Fatalf("failed to add block to channel: %v", err)
+		return err
 	}
 	s.l2BufferedBlock = eth.ToBlockID(block)
+	return nil
 }
 
 func (s *L2Batcher) ActL2ChannelClose(t Testing) {
@@ -158,7 +163,7 @@ func (s *L2Batcher) ActL2ChannelClose(t Testing) {
 }
 
 // ActL2BatchSubmit constructs a batch tx from previous buffered L2 blocks, and submits it to L1
-func (s *L2Batcher) ActL2BatchSubmit(t Testing) {
+func (s *L2Batcher) ActL2BatchSubmit(t Testing, txOpts ...func(tx *types.DynamicFeeTx)) {
 	// Don't run this action if there's no data to submit
 	if s.l2ChannelOut == nil {
 		t.InvalidAction("need to buffer data first, cannot batch submit with empty buffer")
@@ -192,6 +197,9 @@ func (s *L2Batcher) ActL2BatchSubmit(t Testing) {
 		GasFeeCap: gasFeeCap,
 		Data:      data.Bytes(),
 	}
+	for _, opt := range txOpts {
+		opt(rawTx)
+	}
 	gas, err := core.IntrinsicGas(rawTx.Data, nil, false, true, true, false)
 	require.NoError(t, err, "need to compute intrinsic gas")
 	rawTx.Gas = gas

op-e2e/actions/l2_batcher_test.go

 package actions
 
 import (
+	"crypto/rand"
+	"errors"
 	"math/big"
 	"testing"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core"
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/params"
@@ -12,6 +15,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils"
 	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 )
 
@@ -44,7 +48,7 @@ func TestBatcher(gt *testing.T) {
 		ChainID:   sd.L2Cfg.Config.ChainID,
 		Nonce:     n,
 		GasTipCap: big.NewInt(2 * params.GWei),
-		GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee(), big.NewInt(2*params.GWei)),
+		GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 		Gas:       params.TxGas,
 		To:        &dp.Addresses.Bob,
 		Value:     e2eutils.Ether(2),
@@ -69,7 +73,7 @@ func TestBatcher(gt *testing.T) {
 	miner.ActL1IncludeTx(dp.Addresses.Batcher)(t)
 	miner.ActL1EndBlock(t)
 	bl := miner.l1Chain.CurrentBlock()
-	log.Info("bl", "txs", len(bl.Transactions()))
+	log.Info("bl", "txs", len(miner.l1Chain.GetBlockByHash(bl.Hash()).Transactions()))
 
 	// Now make enough L1 blocks that the verifier will have to derive a L2 block
 	// It will also eagerly derive the block from the batcher
@@ -378,3 +382,131 @@ func TestExtendedTimeWithoutL1Batches(gt *testing.T) {
 	sequencer.ActL2PipelineFull(t)
 	require.Equal(t, sequencer.L2Unsafe(), sequencer.L2Safe(), "same for sequencer")
 }
+
+// TestBigL2Txs tests a high-throughput case with constrained batcher:
+//   - Fill 100 L2 blocks to near max-capacity, with txs of 120 KB each
+//   - Buffer the L2 blocks into channels together as much as possible, submit data-txs only when necessary
+//     (just before crossing the max RLP channel size)
+//   - Limit the data-tx size to 40 KB, to force data to be split across multiple datat-txs
+//   - Defer all data-tx inclusion till the end
+//   - Fill L1 blocks with data-txs until we have processed them all
+//   - Run the verifier, and check if it derives the same L2 chain as was created by the sequencer.
+//
+// The goal of this test is to quickly run through an otherwise very slow process of submitting and including lots of data.
+// This does not test the batcher code, but is really focused at testing the batcher utils
+// and channel-decoding verifier code in the derive package.
+func TestBigL2Txs(gt *testing.T) {
+	t := NewDefaultTesting(gt)
+	p := &e2eutils.TestParams{
+		MaxSequencerDrift:   100,
+		SequencerWindowSize: 1000,
+		ChannelTimeout:      200, // give enough space to buffer large amounts of data before submitting it
+	}
+	dp := e2eutils.MakeDeployParams(t, p)
+	sd := e2eutils.Setup(t, dp, defaultAlloc)
+	log := testlog.Logger(t, log.LvlInfo)
+	miner, engine, sequencer := setupSequencerTest(t, sd, log)
+
+	_, verifier := setupVerifier(t, sd, log, miner.L1Client(t, sd.RollupCfg))
+
+	batcher := NewL2Batcher(log, sd.RollupCfg, &BatcherCfg{
+		MinL1TxSize: 0,
+		MaxL1TxSize: 40_000, // try a small batch size, to force the data to be split between more frames
+		BatcherKey:  dp.Secrets.Batcher,
+	}, sequencer.RollupClient(), miner.EthClient(), engine.EthClient())
+
+	sequencer.ActL2PipelineFull(t)
+
+	verifier.ActL2PipelineFull(t)
+	cl := engine.EthClient()
+
+	batcherNonce := uint64(0) // manually track batcher nonce. the "pending nonce" value in tx-pool is incorrect after we fill the pending-block gas limit and keep adding txs to the pool.
+	batcherTxOpts := func(tx *types.DynamicFeeTx) {
+		tx.Nonce = batcherNonce
+		batcherNonce++
+		tx.GasFeeCap = e2eutils.Ether(1) // be very generous with basefee, since we're spamming L1
+	}
+
+	// build many L2 blocks filled to the brim with large txs of random data
+	for i := 0; i < 100; i++ {
+		aliceNonce, err := cl.PendingNonceAt(t.Ctx(), dp.Addresses.Alice)
+		status := sequencer.SyncStatus()
+		// build empty L1 blocks as necessary, so the L2 sequencer can continue to include txs while not drifting too far out
+		if status.UnsafeL2.Time >= status.HeadL1.Time+12 {
+			miner.ActEmptyBlock(t)
+		}
+		sequencer.ActL1HeadSignal(t)
+		sequencer.ActL2StartBlock(t)
+		baseFee := engine.l2Chain.CurrentBlock().BaseFee // this will go quite high, since so many consecutive blocks are filled at capacity.
+		// fill the block with large L2 txs from alice
+		for n := aliceNonce; ; n++ {
+			require.NoError(t, err)
+			signer := types.LatestSigner(sd.L2Cfg.Config)
+			data := make([]byte, 120_000) // very large L2 txs, as large as the tx-pool will accept
+			_, err := rand.Read(data[:])  // fill with random bytes, to make compression ineffective
+			require.NoError(t, err)
+			gas, err := core.IntrinsicGas(data, nil, false, true, true, false)
+			require.NoError(t, err)
+			if gas > engine.l2GasPool.Gas() {
+				break
+			}
+			tx := types.MustSignNewTx(dp.Secrets.Alice, signer, &types.DynamicFeeTx{
+				ChainID:   sd.L2Cfg.Config.ChainID,
+				Nonce:     n,
+				GasTipCap: big.NewInt(2 * params.GWei),
+				GasFeeCap: new(big.Int).Add(new(big.Int).Mul(baseFee, big.NewInt(2)), big.NewInt(2*params.GWei)),
+				Gas:       gas,
+				To:        &dp.Addresses.Bob,
+				Value:     big.NewInt(0),
+				Data:      data,
+			})
+			require.NoError(gt, cl.SendTransaction(t.Ctx(), tx))
+			engine.ActL2IncludeTx(dp.Addresses.Alice)(t)
+		}
+		sequencer.ActL2EndBlock(t)
+		for batcher.l2BufferedBlock.Number < sequencer.SyncStatus().UnsafeL2.Number {
+			// if we run out of space, close the channel and submit all the txs
+			if err := batcher.Buffer(t); errors.Is(err, derive.ErrTooManyRLPBytes) {
+				log.Info("flushing filled channel to batch txs", "id", batcher.l2ChannelOut.ID())
+				batcher.ActL2ChannelClose(t)
+				for batcher.l2ChannelOut != nil {
+					batcher.ActL2BatchSubmit(t, batcherTxOpts)
+				}
+			}
+		}
+	}
+
+	// if anything is left in the channel, submit it
+	if batcher.l2ChannelOut != nil {
+		log.Info("flushing trailing channel to batch txs", "id", batcher.l2ChannelOut.ID())
+		batcher.ActL2ChannelClose(t)
+		for batcher.l2ChannelOut != nil {
+			batcher.ActL2BatchSubmit(t, batcherTxOpts)
+		}
+	}
+
+	// build L1 blocks until we're out of txs
+	txs, _ := miner.eth.TxPool().ContentFrom(dp.Addresses.Batcher)
+	for {
+		if len(txs) == 0 {
+			break
+		}
+		miner.ActL1StartBlock(12)(t)
+		for range txs {
+			if len(txs) == 0 {
+				break
+			}
+			tx := txs[0]
+			if miner.l1GasPool.Gas() < tx.Gas() { // fill the L1 block with batcher txs until we run out of gas
+				break
+			}
+			log.Info("including batcher tx", "nonce", tx)
+			miner.IncludeTx(t, tx)
+			txs = txs[1:]
+		}
+		miner.ActL1EndBlock(t)
+	}
+	verifier.ActL1HeadSignal(t)
+	verifier.ActL2PipelineFull(t)
+	require.Equal(t, sequencer.SyncStatus().UnsafeL2, verifier.SyncStatus().SafeL2, "verifier synced sequencer data even though of huge tx in block")
+}

op-e2e/actions/l2_engine_api.go

@@ -202,30 +202,30 @@ func (ea *L2EngineAPI) ForkchoiceUpdatedV1(ctx context.Context, state *eth.Forkc
 	// chain final and completely in PoS mode.
 	if state.FinalizedBlockHash != (common.Hash{}) {
 		// If the finalized block is not in our canonical tree, somethings wrong
-		finalBlock := ea.l2Chain.GetBlockByHash(state.FinalizedBlockHash)
-		if finalBlock == nil {
+		finalHeader := ea.l2Chain.GetHeaderByHash(state.FinalizedBlockHash)
+		if finalHeader == nil {
 			ea.log.Warn("Final block not available in database", "hash", state.FinalizedBlockHash)
 			return STATUS_INVALID, engine.InvalidForkChoiceState.With(errors.New("final block not available in database"))
-		} else if rawdb.ReadCanonicalHash(ea.l2Database, finalBlock.NumberU64()) != state.FinalizedBlockHash {
+		} else if rawdb.ReadCanonicalHash(ea.l2Database, finalHeader.Number.Uint64()) != state.FinalizedBlockHash {
 			ea.log.Warn("Final block not in canonical chain", "number", block.NumberU64(), "hash", state.HeadBlockHash)
 			return STATUS_INVALID, engine.InvalidForkChoiceState.With(errors.New("final block not in canonical chain"))
 		}
 		// Set the finalized block
-		ea.l2Chain.SetFinalized(finalBlock)
+		ea.l2Chain.SetFinalized(finalHeader)
 	}
 	// Check if the safe block hash is in our canonical tree, if not somethings wrong
 	if state.SafeBlockHash != (common.Hash{}) {
-		safeBlock := ea.l2Chain.GetBlockByHash(state.SafeBlockHash)
-		if safeBlock == nil {
+		safeHeader := ea.l2Chain.GetHeaderByHash(state.SafeBlockHash)
+		if safeHeader == nil {
 			ea.log.Warn("Safe block not available in database")
 			return STATUS_INVALID, engine.InvalidForkChoiceState.With(errors.New("safe block not available in database"))
 		}
-		if rawdb.ReadCanonicalHash(ea.l2Database, safeBlock.NumberU64()) != state.SafeBlockHash {
+		if rawdb.ReadCanonicalHash(ea.l2Database, safeHeader.Number.Uint64()) != state.SafeBlockHash {
 			ea.log.Warn("Safe block not in canonical chain")
 			return STATUS_INVALID, engine.InvalidForkChoiceState.With(errors.New("safe block not in canonical chain"))
 		}
 		// Set the safe block
-		ea.l2Chain.SetSafe(safeBlock)
+		ea.l2Chain.SetSafe(safeHeader)
 	}
 	// If payload generation was requested, create a new block to be potentially
 	// sealed by the beacon client. The payload will be requested later, and we

op-e2e/actions/l2_engine_test.go

@@ -107,7 +107,7 @@ func TestL2EngineAPIBlockBuilding(gt *testing.T) {
 		ChainID:   sd.L2Cfg.Config.ChainID,
 		Nonce:     0,
 		GasTipCap: big.NewInt(2 * params.GWei),
-		GasFeeCap: new(big.Int).Add(engine.l2Chain.CurrentBlock().BaseFee(), big.NewInt(2*params.GWei)),
+		GasFeeCap: new(big.Int).Add(engine.l2Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 		Gas:       params.TxGas,
 		To:        &dp.Addresses.Bob,
 		Value:     e2eutils.Ether(2),
@@ -125,7 +125,7 @@ func TestL2EngineAPIBlockBuilding(gt *testing.T) {
 			SafeBlockHash:      genesisBlock.Hash(),
 			FinalizedBlockHash: genesisBlock.Hash(),
 		}, &eth.PayloadAttributes{
-			Timestamp:             eth.Uint64Quantity(parent.Time()) + 2,
+			Timestamp:             eth.Uint64Quantity(parent.Time) + 2,
 			PrevRandao:            eth.Bytes32{},
 			SuggestedFeeRecipient: common.Address{'C'},
 			Transactions:          nil,
@@ -161,12 +161,12 @@ func TestL2EngineAPIBlockBuilding(gt *testing.T) {
 		require.Equal(t, payload.BlockHash, engine.l2Chain.CurrentBlock().Hash(), "now payload is canonical")
 	}
 	buildBlock(false)
-	require.Zero(t, engine.l2Chain.CurrentBlock().Transactions().Len(), "no tx included")
+	require.Zero(t, engine.l2Chain.GetBlockByHash(engine.l2Chain.CurrentBlock().Hash()).Transactions().Len(), "no tx included")
 	buildBlock(true)
-	require.Equal(gt, 1, engine.l2Chain.CurrentBlock().Transactions().Len(), "tx from alice is included")
+	require.Equal(gt, 1, engine.l2Chain.GetBlockByHash(engine.l2Chain.CurrentBlock().Hash()).Transactions().Len(), "tx from alice is included")
 	buildBlock(false)
-	require.Zero(t, engine.l2Chain.CurrentBlock().Transactions().Len(), "no tx included")
-	require.Equal(t, uint64(3), engine.l2Chain.CurrentBlock().NumberU64(), "built 3 blocks")
+	require.Zero(t, engine.l2Chain.GetBlockByHash(engine.l2Chain.CurrentBlock().Hash()).Transactions().Len(), "no tx included")
+	require.Equal(t, uint64(3), engine.l2Chain.CurrentBlock().Number.Uint64(), "built 3 blocks")
 }
 
 func TestL2EngineAPIFail(gt *testing.T) {

op-e2e/actions/l2_sequencer_test.go

@@ -55,7 +55,7 @@ func TestL2Sequencer_SequencerDrift(gt *testing.T) {
 			ChainID:   sd.L2Cfg.Config.ChainID,
 			Nonce:     n,
 			GasTipCap: big.NewInt(2 * params.GWei),
-			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee(), big.NewInt(2*params.GWei)),
+			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 			Gas:       params.TxGas,
 			To:        &dp.Addresses.Bob,
 			Value:     e2eutils.Ether(2),
@@ -76,7 +76,7 @@ func TestL2Sequencer_SequencerDrift(gt *testing.T) {
 	origin := miner.l1Chain.CurrentBlock()
 
 	// L2 makes blocks to catch up
-	for sequencer.SyncStatus().UnsafeL2.Time+sd.RollupCfg.BlockTime < origin.Time() {
+	for sequencer.SyncStatus().UnsafeL2.Time+sd.RollupCfg.BlockTime < origin.Time {
 		makeL2BlockWithAliceTx()
 		require.Equal(t, uint64(0), sequencer.SyncStatus().UnsafeL2.L1Origin.Number, "no L1 origin change before time matches")
 	}
@@ -89,7 +89,7 @@ func TestL2Sequencer_SequencerDrift(gt *testing.T) {
 	sequencer.ActL1HeadSignal(t)
 
 	// Make blocks up till the sequencer drift is about to surpass, but keep the old L1 origin
-	for sequencer.SyncStatus().UnsafeL2.Time+sd.RollupCfg.BlockTime <= origin.Time()+sd.RollupCfg.MaxSequencerDrift {
+	for sequencer.SyncStatus().UnsafeL2.Time+sd.RollupCfg.BlockTime <= origin.Time+sd.RollupCfg.MaxSequencerDrift {
 		sequencer.ActL2KeepL1Origin(t)
 		makeL2BlockWithAliceTx()
 		require.Equal(t, uint64(1), sequencer.SyncStatus().UnsafeL2.L1Origin.Number, "expected to keep old L1 origin")

op-e2e/actions/l2_verifier_test.go

@@ -41,20 +41,20 @@ func TestL2Verifier_SequenceWindow(gt *testing.T) {
 	miner.ActL1SetFeeRecipient(common.Address{'A'})
 
 	// Make two sequence windows worth of empty L1 blocks. After we pass the first sequence window, the L2 chain should get blocks
-	for miner.l1Chain.CurrentBlock().NumberU64() < sd.RollupCfg.SeqWindowSize*2 {
+	for miner.l1Chain.CurrentBlock().Number.Uint64() < sd.RollupCfg.SeqWindowSize*2 {
 		miner.ActL1StartBlock(10)(t)
 		miner.ActL1EndBlock(t)
 
 		verifier.ActL2PipelineFull(t)
 
-		l1Head := miner.l1Chain.CurrentBlock().NumberU64()
+		l1Head := miner.l1Chain.CurrentBlock().Number.Uint64()
 		expectedL1Origin := uint64(0)
 		// as soon as we complete the sequence window, we force-adopt the L1 origin
 		if l1Head >= sd.RollupCfg.SeqWindowSize {
 			expectedL1Origin = l1Head - sd.RollupCfg.SeqWindowSize
 		}
 		require.Equal(t, expectedL1Origin, verifier.SyncStatus().SafeL2.L1Origin.Number, "L1 origin is forced in, given enough L1 blocks pass by")
-		require.LessOrEqual(t, miner.l1Chain.GetBlockByNumber(expectedL1Origin).Time(), engine.l2Chain.CurrentBlock().Time(), "L2 time higher than L1 origin time")
+		require.LessOrEqual(t, miner.l1Chain.GetBlockByNumber(expectedL1Origin).Time(), engine.l2Chain.CurrentBlock().Time, "L2 time higher than L1 origin time")
 	}
 	tip2N := verifier.SyncStatus()
 
@@ -75,7 +75,7 @@ func TestL2Verifier_SequenceWindow(gt *testing.T) {
 	verifier.ActL2PipelineFull(t)
 	require.Equal(t, tip2N.SafeL2, verifier.SyncStatus().SafeL2)
 
-	for miner.l1Chain.CurrentBlock().NumberU64() < sd.RollupCfg.SeqWindowSize*2 {
+	for miner.l1Chain.CurrentBlock().Number.Uint64() < sd.RollupCfg.SeqWindowSize*2 {
 		miner.ActL1StartBlock(10)(t)
 		miner.ActL1EndBlock(t)
 	}

op-e2e/actions/system_config_test.go

@@ -80,7 +80,7 @@ func TestBatcherKeyRotation(gt *testing.T) {
 	miner.ActL1StartBlock(12)(t)
 	miner.ActL1IncludeTx(dp.Addresses.SysCfgOwner)(t)
 	miner.ActL1EndBlock(t)
-	cfgChangeL1BlockNum := miner.l1Chain.CurrentBlock().NumberU64()
+	cfgChangeL1BlockNum := miner.l1Chain.CurrentBlock().Number.Uint64()
 
 	// sequence L2 blocks, and submit with new batcher
 	sequencer.ActL1HeadSignal(t)
@@ -200,7 +200,7 @@ func TestGPOParamsChange(gt *testing.T) {
 	miner.ActEmptyBlock(t)
 	sequencer.ActL1HeadSignal(t)
 	sequencer.ActBuildToL1Head(t)
-	basefee := miner.l1Chain.CurrentBlock().BaseFee()
+	basefee := miner.l1Chain.CurrentBlock().BaseFee
 
 	// alice makes a L2 tx, sequencer includes it
 	alice.ActResetTxOpts(t)
@@ -238,7 +238,7 @@ func TestGPOParamsChange(gt *testing.T) {
 	miner.ActL1StartBlock(12)(t)
 	miner.ActL1IncludeTx(dp.Addresses.SysCfgOwner)(t)
 	miner.ActL1EndBlock(t)
-	basefeeGPOUpdate := miner.l1Chain.CurrentBlock().BaseFee()
+	basefeeGPOUpdate := miner.l1Chain.CurrentBlock().BaseFee
 
 	// build empty L2 chain, up to but excluding the L2 block with the L1 origin that processes the GPO change
 	sequencer.ActL1HeadSignal(t)
@@ -274,7 +274,7 @@ func TestGPOParamsChange(gt *testing.T) {
 
 	// build more L2 blocks, with new L1 origin
 	miner.ActEmptyBlock(t)
-	basefee = miner.l1Chain.CurrentBlock().BaseFee()
+	basefee = miner.l1Chain.CurrentBlock().BaseFee
 	sequencer.ActL1HeadSignal(t)
 	sequencer.ActBuildToL1Head(t)
 	// and Alice makes a tx again
@@ -313,7 +313,7 @@ func TestGasLimitChange(gt *testing.T) {
 	sequencer.ActL1HeadSignal(t)
 	sequencer.ActBuildToL1Head(t)
 
-	oldGasLimit := seqEngine.l2Chain.CurrentBlock().GasLimit()
+	oldGasLimit := seqEngine.l2Chain.CurrentBlock().GasLimit
 	require.Equal(t, oldGasLimit, uint64(dp.DeployConfig.L2GenesisBlockGasLimit))
 
 	// change gas limit on L1 to triple what it was
@@ -335,12 +335,12 @@ func TestGasLimitChange(gt *testing.T) {
 	sequencer.ActL1HeadSignal(t)
 	sequencer.ActBuildToL1HeadExcl(t)
 
-	require.Equal(t, oldGasLimit, seqEngine.l2Chain.CurrentBlock().GasLimit())
+	require.Equal(t, oldGasLimit, seqEngine.l2Chain.CurrentBlock().GasLimit)
 	require.Equal(t, uint64(1), sequencer.SyncStatus().UnsafeL2.L1Origin.Number)
 
 	// now include the L1 block with the gaslimit change, and see if it changes as expected
 	sequencer.ActBuildToL1Head(t)
-	require.Equal(t, oldGasLimit*3, seqEngine.l2Chain.CurrentBlock().GasLimit())
+	require.Equal(t, oldGasLimit*3, seqEngine.l2Chain.CurrentBlock().GasLimit)
 	require.Equal(t, uint64(2), sequencer.SyncStatus().UnsafeL2.L1Origin.Number)
 
 	// now submit all this to L1, and see if a verifier can sync and reproduce it

op-e2e/actions/user_test.go

@@ -132,7 +132,7 @@ func runCrossLayerUserTest(gt *testing.T, test regolithScheduledTest) {
 	seq.ActL1HeadSignal(t)
 
 	// sync sequencer build enough blocks to adopt latest L1 origin
-	for seq.SyncStatus().UnsafeL2.L1Origin.Number < miner.l1Chain.CurrentBlock().NumberU64() {
+	for seq.SyncStatus().UnsafeL2.L1Origin.Number < miner.l1Chain.CurrentBlock().Number.Uint64() {
 		seq.ActL2StartBlock(t)
 		seq.ActL2EndBlock(t)
 	}

op-e2e/bridge_test.go

+package op_e2e
+
+import (
+	"math"
+	"math/big"
+	"testing"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
+	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
+	"github.com/ethereum-optimism/optimism/op-node/testlog"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/log"
+	"github.com/ethereum/go-ethereum/params"
+	"github.com/stretchr/testify/require"
+)
+
+// TestERC20BridgeDeposits tests the the L1StandardBridge bridge ERC20
+// functionality.
+func TestERC20BridgeDeposits(t *testing.T) {
+	parallel(t)
+	if !verboseGethNodes {
+		log.Root().SetHandler(log.DiscardHandler())
+	}
+
+	cfg := DefaultSystemConfig(t)
+
+	sys, err := cfg.Start()
+	require.Nil(t, err, "Error starting up system")
+	defer sys.Close()
+
+	log := testlog.Logger(t, log.LvlInfo)
+	log.Info("genesis", "l2", sys.RollupConfig.Genesis.L2, "l1", sys.RollupConfig.Genesis.L1, "l2_time", sys.RollupConfig.Genesis.L2Time)
+
+	l1Client := sys.Clients["l1"]
+	l2Client := sys.Clients["sequencer"]
+
+	opts, err := bind.NewKeyedTransactorWithChainID(sys.cfg.Secrets.Alice, cfg.L1ChainIDBig())
+	require.Nil(t, err)
+
+	// Deploy WETH9
+	weth9Address, tx, WETH9, err := bindings.DeployWETH9(opts, l1Client)
+	require.NoError(t, err)
+	_, err = waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	require.NoError(t, err, "Waiting for deposit tx on L1")
+
+	// Get some WETH
+	opts.Value = big.NewInt(params.Ether)
+	tx, err = WETH9.Fallback(opts, []byte{})
+	require.NoError(t, err)
+	_, err = waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	require.NoError(t, err)
+	opts.Value = nil
+	wethBalance, err := WETH9.BalanceOf(&bind.CallOpts{}, opts.From)
+	require.NoError(t, err)
+	require.Equal(t, big.NewInt(params.Ether), wethBalance)
+
+	// Deploy L2 WETH9
+	l2Opts, err := bind.NewKeyedTransactorWithChainID(sys.cfg.Secrets.Alice, cfg.L2ChainIDBig())
+	require.NoError(t, err)
+	optimismMintableTokenFactory, err := bindings.NewOptimismMintableERC20Factory(predeploys.OptimismMintableERC20FactoryAddr, l2Client)
+	require.NoError(t, err)
+	tx, err = optimismMintableTokenFactory.CreateOptimismMintableERC20(l2Opts, weth9Address, "L2-WETH", "L2-WETH")
+	require.NoError(t, err)
+	_, err = waitForTransaction(tx.Hash(), l2Client, 3*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+	require.NoError(t, err)
+
+	// Get the deployment event to have access to the L2 WETH9 address
+	it, err := optimismMintableTokenFactory.FilterOptimismMintableERC20Created(&bind.FilterOpts{Start: 0}, nil, nil)
+	require.NoError(t, err)
+	var event *bindings.OptimismMintableERC20FactoryOptimismMintableERC20Created
+	for it.Next() {
+		event = it.Event
+	}
+	require.NotNil(t, event)
+
+	// Approve WETH9 with the bridge
+	tx, err = WETH9.Approve(opts, predeploys.DevL1StandardBridgeAddr, new(big.Int).SetUint64(math.MaxUint64))
+	require.NoError(t, err)
+	_, err = waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	require.NoError(t, err)
+
+	// Bridge the WETH9
+	l1StandardBridge, err := bindings.NewL1StandardBridge(predeploys.DevL1StandardBridgeAddr, l1Client)
+	require.NoError(t, err)
+	tx, err = l1StandardBridge.BridgeERC20(opts, weth9Address, event.LocalToken, big.NewInt(100), 100000, []byte{})
+	require.NoError(t, err)
+	depositReceipt, err := waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	require.NoError(t, err)
+
+	t.Log("Deposit through L1StandardBridge", "gas used", depositReceipt.GasUsed)
+
+	// compute the deposit transaction hash + poll for it
+	portal, err := bindings.NewOptimismPortal(predeploys.DevOptimismPortalAddr, l1Client)
+	require.NoError(t, err)
+
+	depIt, err := portal.FilterTransactionDeposited(&bind.FilterOpts{Start: 0}, nil, nil, nil)
+	require.NoError(t, err)
+	var depositEvent *bindings.OptimismPortalTransactionDeposited
+	for depIt.Next() {
+		depositEvent = depIt.Event
+	}
+	require.NotNil(t, depositEvent)
+
+	depositTx, err := derive.UnmarshalDepositLogEvent(&depositEvent.Raw)
+	require.NoError(t, err)
+	_, err = waitForTransaction(types.NewTx(depositTx).Hash(), l2Client, 3*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+	require.NoError(t, err)
+
+	// Ensure that the deposit went through
+	optimismMintableToken, err := bindings.NewOptimismMintableERC20(event.LocalToken, l2Client)
+	require.NoError(t, err)
+
+	// Should have balance on L2
+	l2Balance, err := optimismMintableToken.BalanceOf(&bind.CallOpts{}, opts.From)
+	require.NoError(t, err)
+	require.Equal(t, l2Balance, big.NewInt(100))
+}

op-e2e/e2eutils/setup.go

@@ -169,7 +169,7 @@ func Setup(t require.TestingT, deployParams *DeployParams, alloc *AllocParams) *
 	if alloc.PrefundTestUsers {
 		for _, addr := range deployParams.Addresses.All() {
 			l1Genesis.Alloc[addr] = core.GenesisAccount{
-				Balance: Ether(1e6),
+				Balance: Ether(1e12),
 			}
 		}
 	}
@@ -184,7 +184,7 @@ func Setup(t require.TestingT, deployParams *DeployParams, alloc *AllocParams) *
 	if alloc.PrefundTestUsers {
 		for _, addr := range deployParams.Addresses.All() {
 			l2Genesis.Alloc[addr] = core.GenesisAccount{
-				Balance: Ether(1e6),
+				Balance: Ether(1e12),
 			}
 		}
 	}

op-e2e/e2eutils/setup_test.go

@@ -27,10 +27,10 @@ func TestSetup(t *testing.T) {
 	alloc := &AllocParams{PrefundTestUsers: true}
 	sd := Setup(t, dp, alloc)
 	require.Contains(t, sd.L1Cfg.Alloc, dp.Addresses.Alice)
-	require.Equal(t, sd.L1Cfg.Alloc[dp.Addresses.Alice].Balance, Ether(1e6))
+	require.Equal(t, sd.L1Cfg.Alloc[dp.Addresses.Alice].Balance, Ether(1e12))
 
 	require.Contains(t, sd.L2Cfg.Alloc, dp.Addresses.Alice)
-	require.Equal(t, sd.L2Cfg.Alloc[dp.Addresses.Alice].Balance, Ether(1e6))
+	require.Equal(t, sd.L2Cfg.Alloc[dp.Addresses.Alice].Balance, Ether(1e12))
 
 	require.Contains(t, sd.L1Cfg.Alloc, predeploys.DevOptimismPortalAddr)
 	require.Contains(t, sd.L2Cfg.Alloc, predeploys.L1BlockAddr)

op-e2e/geth.go

@@ -160,11 +160,11 @@ func (f *fakeSafeFinalizedL1) Start() error {
 			case head := <-headChanges:
 				num := head.Block.NumberU64()
 				if num > f.finalizedDistance {
-					toFinalize := f.eth.BlockChain().GetBlockByNumber(num - f.finalizedDistance)
+					toFinalize := f.eth.BlockChain().GetHeaderByNumber(num - f.finalizedDistance)
 					f.eth.BlockChain().SetFinalized(toFinalize)
 				}
 				if num > f.safeDistance {
-					toSafe := f.eth.BlockChain().GetBlockByNumber(num - f.safeDistance)
+					toSafe := f.eth.BlockChain().GetHeaderByNumber(num - f.safeDistance)
 					f.eth.BlockChain().SetSafe(toSafe)
 				}
 			case <-quit:

op-e2e/migration_test.go

@@ -12,6 +12,7 @@ import (
 	"time"
 
 	bss "github.com/ethereum-optimism/optimism/op-batcher/batcher"
+	batchermetrics "github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/chaincfg"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
 	l2os "github.com/ethereum-optimism/optimism/op-proposer/proposer"
@@ -341,7 +342,7 @@ func TestMigration(t *testing.T) {
 			Format: "text",
 		},
 		PrivateKey: hexPriv(secrets.Batcher),
-	}, lgr.New("module", "batcher"))
+	}, lgr.New("module", "batcher"), batchermetrics.NoopMetrics)
 	require.NoError(t, err)
 	t.Cleanup(func() {
 		batcher.StopIfRunning()

op-e2e/setup.go

@@ -24,6 +24,7 @@ import (
 	"github.com/stretchr/testify/require"
 
 	bss "github.com/ethereum-optimism/optimism/op-batcher/batcher"
+	batchermetrics "github.com/ethereum-optimism/optimism/op-batcher/metrics"
 	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
 	"github.com/ethereum-optimism/optimism/op-chain-ops/genesis"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils"
@@ -600,7 +601,7 @@ func (cfg SystemConfig) Start(_opts ...SystemConfigOption) (*System, error) {
 			Format: "text",
 		},
 		PrivateKey: hexPriv(cfg.Secrets.Batcher),
-	}, sys.cfg.Loggers["batcher"])
+	}, sys.cfg.Loggers["batcher"], batchermetrics.NoopMetrics)
 	if err != nil {
 		return nil, fmt.Errorf("failed to setup batch submitter: %w", err)
 	}

op-exporter/Dockerfile

-FROM golang:1.18.0-alpine3.15 as builder
+FROM golang:1.19.0-alpine3.15 as builder
 
 # build from root of repo
 COPY ./op-exporter /app

op-node/Dockerfile

-FROM --platform=$BUILDPLATFORM golang:1.18.0-alpine3.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.19.0-alpine3.15 as builder
 
 ARG VERSION=v0.0.0
 

op-node/flags/flags.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-node/chaincfg"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
+	oplog "github.com/ethereum-optimism/optimism/op-service/log"
 
 	"github.com/urfave/cli"
 )
@@ -113,23 +114,6 @@ var (
 		Required: false,
 		Value:    time.Second * 12 * 32,
 	}
-	LogLevelFlag = cli.StringFlag{
-		Name:   "log.level",
-		Usage:  "The lowest log level that will be output",
-		Value:  "info",
-		EnvVar: prefixEnvVar("LOG_LEVEL"),
-	}
-	LogFormatFlag = cli.StringFlag{
-		Name:   "log.format",
-		Usage:  "Format the log output. Supported formats: 'text', 'json'",
-		Value:  "text",
-		EnvVar: prefixEnvVar("LOG_FORMAT"),
-	}
-	LogColorFlag = cli.BoolFlag{
-		Name:   "log.color",
-		Usage:  "Color the log output",
-		EnvVar: prefixEnvVar("LOG_COLOR"),
-	}
 	MetricsEnabledFlag = cli.BoolFlag{
 		Name:   "metrics.enabled",
 		Usage:  "Enable the metrics server",
@@ -200,7 +184,7 @@ var requiredFlags = []cli.Flag{
 	RPCListenPort,
 }
 
-var optionalFlags = append([]cli.Flag{
+var optionalFlags = []cli.Flag{
 	RollupConfig,
 	Network,
 	L1TrustRPC,
@@ -211,9 +195,6 @@ var optionalFlags = append([]cli.Flag{
 	SequencerStoppedFlag,
 	SequencerL1Confs,
 	L1EpochPollIntervalFlag,
-	LogLevelFlag,
-	LogFormatFlag,
-	LogColorFlag,
 	RPCEnableAdmin,
 	MetricsEnabledFlag,
 	MetricsAddrFlag,
@@ -226,10 +207,16 @@ var optionalFlags = append([]cli.Flag{
 	HeartbeatMonikerFlag,
 	HeartbeatURLFlag,
 	BackupL2UnsafeSyncRPC,
-}, p2pFlags...)
+}
 
 // Flags contains the list of configuration options available to the binary.
-var Flags = append(requiredFlags, optionalFlags...)
+var Flags []cli.Flag
+
+func init() {
+	optionalFlags = append(optionalFlags, p2pFlags...)
+	optionalFlags = append(optionalFlags, oplog.CLIFlags(envVarPrefix)...)
+	Flags = append(requiredFlags, optionalFlags...)
+}
 
 func CheckRequired(ctx *cli.Context) error {
 	l1NodeAddr := ctx.GlobalString(L1NodeAddr.Name)

op-node/rollup/derive/batch_queue.go

@@ -139,6 +139,7 @@ func (bq *BatchQueue) AddBatch(batch *BatchData, l2SafeHead eth.L2BlockRef) {
 	if validity == BatchDrop {
 		return // if we do drop the batch, CheckBatch will log the drop reason with WARN level.
 	}
+	bq.log.Debug("Adding batch", "batch_timestamp", batch.Timestamp, "parent_hash", batch.ParentHash, "batch_epoch", batch.Epoch(), "txs", len(batch.Transactions))
 	bq.batches[batch.Timestamp] = append(bq.batches[batch.Timestamp], &data)
 }
 
@@ -212,7 +213,7 @@ batchLoop:
 		if nextBatch.Batch.EpochNum == rollup.Epoch(epoch.Number)+1 {
 			bq.l1Blocks = bq.l1Blocks[1:]
 		}
-		bq.log.Trace("Returning found batch", "epoch", epoch, "batch_epoch", nextBatch.Batch.EpochNum, "batch_timestamp", nextBatch.Batch.Timestamp)
+		bq.log.Info("Found next batch", "epoch", epoch, "batch_epoch", nextBatch.Batch.EpochNum, "batch_timestamp", nextBatch.Batch.Timestamp)
 		return nextBatch.Batch, nil
 	}
 
@@ -241,7 +242,7 @@ batchLoop:
 	// to preserve that L2 time >= L1 time. If this is the first block of the epoch, always generate a
 	// batch to ensure that we at least have one batch per epoch.
 	if nextTimestamp < nextEpoch.Time || firstOfEpoch {
-		bq.log.Trace("Generating next batch", "epoch", epoch, "timestamp", nextTimestamp)
+		bq.log.Info("Generating next batch", "epoch", epoch, "timestamp", nextTimestamp)
 		return &BatchData{
 			BatchV1{
 				ParentHash:   l2SafeHead.Hash,

op-node/rollup/derive/channel_bank.go

@@ -69,6 +69,7 @@ func (cb *ChannelBank) prune() {
 		ch := cb.channels[id]
 		cb.channelQueue = cb.channelQueue[1:]
 		delete(cb.channels, id)
+		cb.log.Info("pruning channel", "channel", id, "totalSize", totalSize, "channel_size", ch.size, "remaining_channel_count", len(cb.channels))
 		totalSize -= ch.size
 	}
 }
@@ -86,6 +87,7 @@ func (cb *ChannelBank) IngestFrame(f Frame) {
 		currentCh = NewChannel(f.ID, origin)
 		cb.channels[f.ID] = currentCh
 		cb.channelQueue = append(cb.channelQueue, f.ID)
+		log.Info("created new channel")
 	}
 
 	// check if the channel is not timed out
@@ -114,7 +116,7 @@ func (cb *ChannelBank) Read() (data []byte, err error) {
 	ch := cb.channels[first]
 	timedOut := ch.OpenBlockNumber()+cb.cfg.ChannelTimeout < cb.Origin().Number
 	if timedOut {
-		cb.log.Debug("channel timed out", "channel", first, "frames", len(ch.inputs))
+		cb.log.Info("channel timed out", "channel", first, "frames", len(ch.inputs))
 		delete(cb.channels, first)
 		cb.channelQueue = cb.channelQueue[1:]
 		return nil, nil // multiple different channels may all be timed out
@@ -137,7 +139,6 @@ func (cb *ChannelBank) Read() (data []byte, err error) {
 // consistency around channel bank pruning which depends upon the order
 // of operations.
 func (cb *ChannelBank) NextData(ctx context.Context) ([]byte, error) {
-
 	// Do the read from the channel bank first
 	data, err := cb.Read()
 	if err == io.EOF {

op-node/rollup/derive/channel_out.go

@@ -14,9 +14,17 @@ import (
 	"github.com/ethereum/go-ethereum/rlp"
 )
 
+var ErrMaxFrameSizeTooSmall = errors.New("maxSize is too small to fit the fixed frame overhead")
 var ErrNotDepositTx = errors.New("first transaction in block is not a deposit tx")
 var ErrTooManyRLPBytes = errors.New("batch would cause RLP bytes to go over limit")
 
+// FrameV0OverHeadSize is the absolute minimum size of a frame.
+// This is the fixed overhead frame size, calculated as specified
+// in the [Frame Format] specs: 16 + 2 + 4 + 1 = 23 bytes.
+//
+// [Frame Format]: https://github.com/ethereum-optimism/optimism/blob/develop/specs/derivation.md#frame-format
+const FrameV0OverHeadSize = 23
+
 type ChannelOut struct {
 	id ChannelID
 	// Frame ID of the next frame to emit. Increment after emitting
@@ -76,7 +84,7 @@ func (co *ChannelOut) AddBlock(block *types.Block) (uint64, error) {
 		return 0, errors.New("already closed")
 	}
 
-	batch, err := BlockToBatch(block)
+	batch, _, err := BlockToBatch(block)
 	if err != nil {
 		return 0, err
 	}
@@ -141,19 +149,23 @@ func (co *ChannelOut) Close() error {
 // OutputFrame writes a frame to w with a given max size and returns the frame
 // number.
 // Use `ReadyBytes`, `Flush`, and `Close` to modify the ready buffer.
-// Returns io.EOF when the channel is closed & there are no more frames
+// Returns an error if the `maxSize` < FrameV0OverHeadSize.
+// Returns io.EOF when the channel is closed & there are no more frames.
 // Returns nil if there is still more buffered data.
-// Returns and error if it ran into an error during processing.
+// Returns an error if it ran into an error during processing.
 func (co *ChannelOut) OutputFrame(w *bytes.Buffer, maxSize uint64) (uint16, error) {
 	f := Frame{
 		ID:          co.id,
 		FrameNumber: uint16(co.frame),
 	}
 
+	// Check that the maxSize is large enough for the frame overhead size.
+	if maxSize < FrameV0OverHeadSize {
+		return 0, ErrMaxFrameSizeTooSmall
+	}
+
 	// Copy data from the local buffer into the frame data buffer
-	// Don't go past the maxSize with the fixed frame overhead.
-	// Fixed overhead: 16 + 2 + 4 + 1 = 23 bytes.
-	maxDataSize := maxSize - 23
+	maxDataSize := maxSize - FrameV0OverHeadSize
 	if maxDataSize > uint64(co.buf.Len()) {
 		maxDataSize = uint64(co.buf.Len())
 		// If we are closed & will not spill past the current frame
@@ -182,7 +194,7 @@ func (co *ChannelOut) OutputFrame(w *bytes.Buffer, maxSize uint64) (uint16, erro
 }
 
 // BlockToBatch transforms a block into a batch object that can easily be RLP encoded.
-func BlockToBatch(block *types.Block) (*BatchData, error) {
+func BlockToBatch(block *types.Block) (*BatchData, L1BlockInfo, error) {
 	opaqueTxs := make([]hexutil.Bytes, 0, len(block.Transactions()))
 	for i, tx := range block.Transactions() {
 		if tx.Type() == types.DepositTxType {
@@ -190,17 +202,17 @@ func BlockToBatch(block *types.Block) (*BatchData, error) {
 		}
 		otx, err := tx.MarshalBinary()
 		if err != nil {
-			return nil, fmt.Errorf("could not encode tx %v in block %v: %w", i, tx.Hash(), err)
+			return nil, L1BlockInfo{}, fmt.Errorf("could not encode tx %v in block %v: %w", i, tx.Hash(), err)
 		}
 		opaqueTxs = append(opaqueTxs, otx)
 	}
 	l1InfoTx := block.Transactions()[0]
 	if l1InfoTx.Type() != types.DepositTxType {
-		return nil, ErrNotDepositTx
+		return nil, L1BlockInfo{}, ErrNotDepositTx
 	}
 	l1Info, err := L1InfoDepositTxData(l1InfoTx.Data())
 	if err != nil {
-		return nil, fmt.Errorf("could not parse the L1 Info deposit: %w", err)
+		return nil, l1Info, fmt.Errorf("could not parse the L1 Info deposit: %w", err)
 	}
 
 	return &BatchData{
@@ -211,7 +223,7 @@ func BlockToBatch(block *types.Block) (*BatchData, error) {
 			Timestamp:    block.Time(),
 			Transactions: opaqueTxs,
 		},
-	}, nil
+	}, l1Info, nil
 }
 
 // ForceCloseTxData generates the transaction data for a transaction which will force close

op-node/rollup/derive/channel_out_test.go

@@ -29,6 +29,22 @@ func TestChannelOutAddBlock(t *testing.T) {
 	})
 }
 
+// TestOutputFrameSmallMaxSize tests that calling [OutputFrame] with a small
+// max size that is below the fixed frame size overhead of 23, will return
+// an error.
+func TestOutputFrameSmallMaxSize(t *testing.T) {
+	cout, err := NewChannelOut()
+	require.NoError(t, err)
+
+	// Call OutputFrame with the range of small max size values that err
+	var w bytes.Buffer
+	for i := 0; i < 23; i++ {
+		fid, err := cout.OutputFrame(&w, uint64(i))
+		require.ErrorIs(t, err, ErrMaxFrameSizeTooSmall)
+		require.Zero(t, fid)
+	}
+}
+
 // TestRLPByteLimit ensures that stream encoder is properly limiting the length.
 // It will decode the input if `len(input) <= inputLimit`.
 func TestRLPByteLimit(t *testing.T) {

op-node/rollup/derive/engine_queue.go

@@ -104,6 +104,8 @@ type EngineQueue struct {
 
 	finalizedL1 eth.L1BlockRef
 
+	// The queued-up attributes
+	safeAttributesParent eth.L2BlockRef
 	safeAttributes       *eth.PayloadAttributes
 	unsafePayloads       PayloadsQueue // queue of unsafe payloads, ordered by ascending block number, may have gaps
 
@@ -225,6 +227,7 @@ func (eq *EngineQueue) Step(ctx context.Context) error {
 		return err
 	} else {
 		eq.safeAttributes = next
+		eq.safeAttributesParent = eq.safeHead
 		eq.log.Debug("Adding next safe attributes", "safe_head", eq.safeHead, "next", eq.safeAttributes)
 		return NotEnoughData
 	}
@@ -427,6 +430,20 @@ func (eq *EngineQueue) tryNextUnsafePayload(ctx context.Context) error {
 }
 
 func (eq *EngineQueue) tryNextSafeAttributes(ctx context.Context) error {
+	if eq.safeAttributes == nil { // sanity check the attributes are there
+		return nil
+	}
+	// validate the safe attributes before processing them. The engine may have completed processing them through other means.
+	if eq.safeHead != eq.safeAttributesParent {
+		if eq.safeHead.ParentHash != eq.safeAttributesParent.Hash {
+			return NewResetError(fmt.Errorf("safe head changed to %s with parent %s, conflicting with queued safe attributes on top of %s",
+				eq.safeHead, eq.safeHead.ParentID(), eq.safeAttributesParent))
+		}
+		eq.log.Warn("queued safe attributes are stale, safe-head progressed",
+			"safe_head", eq.safeHead, "safe_head_parent", eq.safeHead.ParentID(), "attributes_parent", eq.safeAttributesParent)
+		eq.safeAttributes = nil
+		return nil
+	}
 	if eq.safeHead.Number < eq.unsafeHead.Number {
 		return eq.consolidateNextSafeAttributes(ctx)
 	} else if eq.safeHead.Number == eq.unsafeHead.Number {
@@ -486,14 +503,15 @@ func (eq *EngineQueue) forceNextSafeAttributes(ctx context.Context) error {
 		_, errType, err = eq.ConfirmPayload(ctx)
 	}
 	if err != nil {
-		_ = eq.CancelPayload(ctx, true)
 		switch errType {
 		case BlockInsertTemporaryErr:
 			// RPC errors are recoverable, we can retry the buffered payload attributes later.
 			return NewTemporaryError(fmt.Errorf("temporarily cannot insert new safe block: %w", err))
 		case BlockInsertPrestateErr:
+			_ = eq.CancelPayload(ctx, true)
 			return NewResetError(fmt.Errorf("need reset to resolve pre-state problem: %w", err))
 		case BlockInsertPayloadErr:
+			_ = eq.CancelPayload(ctx, true)
 			eq.log.Warn("could not process payload derived from L1 data, dropping batch", "err", err)
 			// Count the number of deposits to see if the tx list is deposit only.
 			depositCount := 0

op-node/rollup/derive/engine_queue_test.go

@@ -2,10 +2,13 @@ package derive
 
 import (
 	"context"
+	"fmt"
 	"io"
+	"math/big"
 	"math/rand"
 	"testing"
 
+	"github.com/holiman/uint256"
 	"github.com/stretchr/testify/require"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -19,6 +22,7 @@ import (
 
 type fakeAttributesQueue struct {
 	origin eth.L1BlockRef
+	attrs  *eth.PayloadAttributes
 }
 
 func (f *fakeAttributesQueue) Origin() eth.L1BlockRef {
@@ -26,7 +30,10 @@ func (f *fakeAttributesQueue) Origin() eth.L1BlockRef {
 }
 
 func (f *fakeAttributesQueue) NextAttributes(_ context.Context, _ eth.L2BlockRef) (*eth.PayloadAttributes, error) {
+	if f.attrs == nil {
 		return nil, io.EOF
+	}
+	return f.attrs, nil
 }
 
 var _ NextAttributesProvider = (*fakeAttributesQueue)(nil)
@@ -209,17 +216,17 @@ func TestEngineQueue_Finalize(t *testing.T) {
 	eng.ExpectL2BlockRefByHash(refF0.ParentHash, refE1, nil)
 
 	// meet previous safe, counts 1/2
-	l1F.ExpectL1BlockRefByNumber(refE.Number, refE, nil)
+	l1F.ExpectL1BlockRefByHash(refE.Hash, refE, nil)
 	eng.ExpectL2BlockRefByHash(refE1.ParentHash, refE0, nil)
 	eng.ExpectL2BlockRefByHash(refE0.ParentHash, refD1, nil)
 
 	// now full seq window, inclusive
-	l1F.ExpectL1BlockRefByNumber(refD.Number, refD, nil)
+	l1F.ExpectL1BlockRefByHash(refD.Hash, refD, nil)
 	eng.ExpectL2BlockRefByHash(refD1.ParentHash, refD0, nil)
 	eng.ExpectL2BlockRefByHash(refD0.ParentHash, refC1, nil)
 
 	// now one more L1 origin
-	l1F.ExpectL1BlockRefByNumber(refC.Number, refC, nil)
+	l1F.ExpectL1BlockRefByHash(refC.Hash, refC, nil)
 	eng.ExpectL2BlockRefByHash(refC1.ParentHash, refC0, nil)
 	// parent of that origin will be considered safe
 	eng.ExpectL2BlockRefByHash(refC0.ParentHash, refB1, nil)
@@ -443,17 +450,17 @@ func TestEngineQueue_ResetWhenUnsafeOriginNotCanonical(t *testing.T) {
 	eng.ExpectL2BlockRefByHash(refF0.ParentHash, refE1, nil)
 
 	// meet previous safe, counts 1/2
-	l1F.ExpectL1BlockRefByNumber(refE.Number, refE, nil)
+	l1F.ExpectL1BlockRefByHash(refE.Hash, refE, nil)
 	eng.ExpectL2BlockRefByHash(refE1.ParentHash, refE0, nil)
 	eng.ExpectL2BlockRefByHash(refE0.ParentHash, refD1, nil)
 
 	// now full seq window, inclusive
-	l1F.ExpectL1BlockRefByNumber(refD.Number, refD, nil)
+	l1F.ExpectL1BlockRefByHash(refD.Hash, refD, nil)
 	eng.ExpectL2BlockRefByHash(refD1.ParentHash, refD0, nil)
 	eng.ExpectL2BlockRefByHash(refD0.ParentHash, refC1, nil)
 
 	// now one more L1 origin
-	l1F.ExpectL1BlockRefByNumber(refC.Number, refC, nil)
+	l1F.ExpectL1BlockRefByHash(refC.Hash, refC, nil)
 	eng.ExpectL2BlockRefByHash(refC1.ParentHash, refC0, nil)
 	// parent of that origin will be considered safe
 	eng.ExpectL2BlockRefByHash(refC0.ParentHash, refB1, nil)
@@ -775,17 +782,17 @@ func TestVerifyNewL1Origin(t *testing.T) {
 			}
 
 			// meet previous safe, counts 1/2
-			l1F.ExpectL1BlockRefByNumber(refE.Number, refE, nil)
+			l1F.ExpectL1BlockRefByHash(refE.Hash, refE, nil)
 			eng.ExpectL2BlockRefByHash(refE1.ParentHash, refE0, nil)
 			eng.ExpectL2BlockRefByHash(refE0.ParentHash, refD1, nil)
 
 			// now full seq window, inclusive
-			l1F.ExpectL1BlockRefByNumber(refD.Number, refD, nil)
+			l1F.ExpectL1BlockRefByHash(refD.Hash, refD, nil)
 			eng.ExpectL2BlockRefByHash(refD1.ParentHash, refD0, nil)
 			eng.ExpectL2BlockRefByHash(refD0.ParentHash, refC1, nil)
 
 			// now one more L1 origin
-			l1F.ExpectL1BlockRefByNumber(refC.Number, refC, nil)
+			l1F.ExpectL1BlockRefByHash(refC.Hash, refC, nil)
 			eng.ExpectL2BlockRefByHash(refC1.ParentHash, refC0, nil)
 			// parent of that origin will be considered safe
 			eng.ExpectL2BlockRefByHash(refC0.ParentHash, refB1, nil)
@@ -837,3 +844,166 @@ func TestVerifyNewL1Origin(t *testing.T) {
 		})
 	}
 }
+
+func TestBlockBuildingRace(t *testing.T) {
+	logger := testlog.Logger(t, log.LvlInfo)
+	eng := &testutils.MockEngine{}
+
+	rng := rand.New(rand.NewSource(1234))
+
+	refA := testutils.RandomBlockRef(rng)
+	refA0 := eth.L2BlockRef{
+		Hash:           testutils.RandomHash(rng),
+		Number:         0,
+		ParentHash:     common.Hash{},
+		Time:           refA.Time,
+		L1Origin:       refA.ID(),
+		SequenceNumber: 0,
+	}
+	cfg := &rollup.Config{
+		Genesis: rollup.Genesis{
+			L1:     refA.ID(),
+			L2:     refA0.ID(),
+			L2Time: refA0.Time,
+			SystemConfig: eth.SystemConfig{
+				BatcherAddr: common.Address{42},
+				Overhead:    [32]byte{123},
+				Scalar:      [32]byte{42},
+				GasLimit:    20_000_000,
+			},
+		},
+		BlockTime:     1,
+		SeqWindowSize: 2,
+	}
+	refA1 := eth.L2BlockRef{
+		Hash:           testutils.RandomHash(rng),
+		Number:         refA0.Number + 1,
+		ParentHash:     refA0.Hash,
+		Time:           refA0.Time + cfg.BlockTime,
+		L1Origin:       refA.ID(),
+		SequenceNumber: 1,
+	}
+
+	l1F := &testutils.MockL1Source{}
+
+	eng.ExpectL2BlockRefByLabel(eth.Finalized, refA0, nil)
+	eng.ExpectL2BlockRefByLabel(eth.Safe, refA0, nil)
+	eng.ExpectL2BlockRefByLabel(eth.Unsafe, refA0, nil)
+	l1F.ExpectL1BlockRefByNumber(refA.Number, refA, nil)
+	l1F.ExpectL1BlockRefByHash(refA.Hash, refA, nil)
+	l1F.ExpectL1BlockRefByHash(refA.Hash, refA, nil)
+
+	eng.ExpectSystemConfigByL2Hash(refA0.Hash, cfg.Genesis.SystemConfig, nil)
+
+	metrics := &testutils.TestDerivationMetrics{}
+
+	gasLimit := eth.Uint64Quantity(20_000_000)
+	attrs := &eth.PayloadAttributes{
+		Timestamp:             eth.Uint64Quantity(refA1.Time),
+		PrevRandao:            eth.Bytes32{},
+		SuggestedFeeRecipient: common.Address{},
+		Transactions:          nil,
+		NoTxPool:              false,
+		GasLimit:              &gasLimit,
+	}
+
+	prev := &fakeAttributesQueue{origin: refA, attrs: attrs}
+	eq := NewEngineQueue(logger, cfg, eng, metrics, prev, l1F)
+	require.ErrorIs(t, eq.Reset(context.Background(), eth.L1BlockRef{}, eth.SystemConfig{}), io.EOF)
+
+	id := eth.PayloadID{0xff}
+
+	preFc := &eth.ForkchoiceState{
+		HeadBlockHash:      refA0.Hash,
+		SafeBlockHash:      refA0.Hash,
+		FinalizedBlockHash: refA0.Hash,
+	}
+	preFcRes := &eth.ForkchoiceUpdatedResult{
+		PayloadStatus: eth.PayloadStatusV1{
+			Status:          eth.ExecutionValid,
+			LatestValidHash: &refA0.Hash,
+			ValidationError: nil,
+		},
+		PayloadID: &id,
+	}
+
+	// Expect initial forkchoice update
+	eng.ExpectForkchoiceUpdate(preFc, nil, preFcRes, nil)
+	require.NoError(t, eq.Step(context.Background()), "clean forkchoice state after reset")
+
+	// Expect initial building update, to process the attributes we queued up
+	eng.ExpectForkchoiceUpdate(preFc, attrs, preFcRes, nil)
+	// Don't let the payload be confirmed straight away
+	mockErr := fmt.Errorf("mock error")
+	eng.ExpectGetPayload(id, nil, mockErr)
+	// The job will be not be cancelled, the untyped error is a temporary error
+
+	require.ErrorIs(t, eq.Step(context.Background()), NotEnoughData, "queue up attributes")
+	require.ErrorIs(t, eq.Step(context.Background()), mockErr, "expecting to fail to process attributes")
+	require.NotNil(t, eq.safeAttributes, "still have attributes")
+
+	// Now allow the building to complete
+	a1InfoTx, err := L1InfoDepositBytes(refA1.SequenceNumber, &testutils.MockBlockInfo{
+		InfoHash:        refA.Hash,
+		InfoParentHash:  refA.ParentHash,
+		InfoCoinbase:    common.Address{},
+		InfoRoot:        common.Hash{},
+		InfoNum:         refA.Number,
+		InfoTime:        refA.Time,
+		InfoMixDigest:   [32]byte{},
+		InfoBaseFee:     big.NewInt(7),
+		InfoReceiptRoot: common.Hash{},
+		InfoGasUsed:     0,
+	}, cfg.Genesis.SystemConfig, false)
+
+	require.NoError(t, err)
+	payloadA1 := &eth.ExecutionPayload{
+		ParentHash:    refA1.ParentHash,
+		FeeRecipient:  attrs.SuggestedFeeRecipient,
+		StateRoot:     eth.Bytes32{},
+		ReceiptsRoot:  eth.Bytes32{},
+		LogsBloom:     eth.Bytes256{},
+		PrevRandao:    eth.Bytes32{},
+		BlockNumber:   eth.Uint64Quantity(refA1.Number),
+		GasLimit:      gasLimit,
+		GasUsed:       0,
+		Timestamp:     eth.Uint64Quantity(refA1.Time),
+		ExtraData:     nil,
+		BaseFeePerGas: *uint256.NewInt(7),
+		BlockHash:     refA1.Hash,
+		Transactions: []eth.Data{
+			a1InfoTx,
+		},
+	}
+	eng.ExpectGetPayload(id, payloadA1, nil)
+	eng.ExpectNewPayload(payloadA1, &eth.PayloadStatusV1{
+		Status:          eth.ExecutionValid,
+		LatestValidHash: &refA1.Hash,
+		ValidationError: nil,
+	}, nil)
+	postFc := &eth.ForkchoiceState{
+		HeadBlockHash:      refA1.Hash,
+		SafeBlockHash:      refA1.Hash,
+		FinalizedBlockHash: refA0.Hash,
+	}
+	postFcRes := &eth.ForkchoiceUpdatedResult{
+		PayloadStatus: eth.PayloadStatusV1{
+			Status:          eth.ExecutionValid,
+			LatestValidHash: &refA1.Hash,
+			ValidationError: nil,
+		},
+		PayloadID: &id,
+	}
+	eng.ExpectForkchoiceUpdate(postFc, nil, postFcRes, nil)
+
+	// Now complete the job, as external user of the engine
+	_, _, err = eq.ConfirmPayload(context.Background())
+	require.NoError(t, err)
+	require.Equal(t, refA1, eq.SafeL2Head(), "safe head should have changed")
+
+	require.NoError(t, eq.Step(context.Background()))
+	require.Nil(t, eq.safeAttributes, "attributes should now be invalidated")
+
+	l1F.AssertExpectations(t)
+	eng.AssertExpectations(t)
+}

op-node/rollup/derive/l2block_util.go

+package derive
+
+import (
+	"fmt"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+
+	"github.com/ethereum-optimism/optimism/op-node/eth"
+	"github.com/ethereum-optimism/optimism/op-node/rollup"
+)
+
+// L2BlockRefSource is a source for the generation of a L2BlockRef. E.g. a
+// *types.Block is a L2BlockRefSource.
+//
+// L2BlockToBlockRef extracts L2BlockRef from a L2BlockRefSource. The first
+// transaction of a source must be a Deposit transaction.
+type L2BlockRefSource interface {
+	Hash() common.Hash
+	ParentHash() common.Hash
+	NumberU64() uint64
+	Time() uint64
+	Transactions() types.Transactions
+}
+
+// PayloadToBlockRef extracts the essential L2BlockRef information from an L2
+// block ref source, falling back to genesis information if necessary.
+func L2BlockToBlockRef(block L2BlockRefSource, genesis *rollup.Genesis) (eth.L2BlockRef, error) {
+	hash, number := block.Hash(), block.NumberU64()
+
+	var l1Origin eth.BlockID
+	var sequenceNumber uint64
+	if number == genesis.L2.Number {
+		if hash != genesis.L2.Hash {
+			return eth.L2BlockRef{}, fmt.Errorf("expected L2 genesis hash to match L2 block at genesis block number %d: %s <> %s", genesis.L2.Number, hash, genesis.L2.Hash)
+		}
+		l1Origin = genesis.L1
+		sequenceNumber = 0
+	} else {
+		txs := block.Transactions()
+		if txs.Len() == 0 {
+			return eth.L2BlockRef{}, fmt.Errorf("l2 block is missing L1 info deposit tx, block hash: %s", hash)
+		}
+		tx := txs[0]
+		if tx.Type() != types.DepositTxType {
+			return eth.L2BlockRef{}, fmt.Errorf("first payload tx has unexpected tx type: %d", tx.Type())
+		}
+		info, err := L1InfoDepositTxData(tx.Data())
+		if err != nil {
+			return eth.L2BlockRef{}, fmt.Errorf("failed to parse L1 info deposit tx from L2 block: %w", err)
+		}
+		l1Origin = eth.BlockID{Hash: info.BlockHash, Number: info.Number}
+		sequenceNumber = info.SequenceNumber
+	}
+
+	return eth.L2BlockRef{
+		Hash:           hash,
+		Number:         number,
+		ParentHash:     block.ParentHash(),
+		Time:           block.Time(),
+		L1Origin:       l1Origin,
+		SequenceNumber: sequenceNumber,
+	}, nil
+}

op-node/rollup/derive/pipeline.go

@@ -107,6 +107,12 @@ func NewDerivationPipeline(log log.Logger, cfg *rollup.Config, l1Fetcher L1Fetch
 	}
 }
 
+// EngineReady returns true if the engine is ready to be used.
+// When it's being reset its state is inconsistent, and should not be used externally.
+func (dp *DerivationPipeline) EngineReady() bool {
+	return dp.resetting > 0
+}
+
 func (dp *DerivationPipeline) Reset() {
 	dp.resetting = 0
 }

op-node/rollup/driver/driver.go

@@ -56,6 +56,7 @@ type DerivationPipeline interface {
 	SafeL2Head() eth.L2BlockRef
 	UnsafeL2Head() eth.L2BlockRef
 	Origin() eth.L1BlockRef
+	EngineReady() bool
 }
 
 type L1StateIface interface {

op-node/rollup/driver/sequencer.go

@@ -123,6 +123,14 @@ func (d *Sequencer) CancelBuildingBlock(ctx context.Context) {
 
 // PlanNextSequencerAction returns a desired delay till the RunNextSequencerAction call.
 func (d *Sequencer) PlanNextSequencerAction() time.Duration {
+	// If the engine is busy building safe blocks (and thus changing the head that we would sync on top of),
+	// then give it time to sync up.
+	if onto, _, safe := d.engine.BuildingPayload(); safe {
+		d.log.Warn("delaying sequencing to not interrupt safe-head changes", "onto", onto, "onto_time", onto.Time)
+		// approximates the worst-case time it takes to build a block, to reattempt sequencing after.
+		return time.Second * time.Duration(d.config.BlockTime)
+	}
+
 	head := d.engine.UnsafeL2Head()
 	now := d.timeNow()
 
@@ -173,7 +181,7 @@ func (d *Sequencer) BuildingOnto() eth.L2BlockRef {
 // Only critical errors are bubbled up, other errors are handled internally.
 // Internally starting or sealing of a block may fail with a derivation-like error:
 //   - If it is a critical error, the error is bubbled up to the caller.
-//   - If it is a reset error, the ResettableEngineControl used to build blocks is requested to reset, and a backoff aplies.
+//   - If it is a reset error, the ResettableEngineControl used to build blocks is requested to reset, and a backoff applies.
 //     No attempt is made at completing the block building.
 //   - If it is a temporary error, a backoff is applied to reattempt building later.
 //   - If it is any other error, a backoff is applied and building is cancelled.
@@ -187,8 +195,15 @@ func (d *Sequencer) BuildingOnto() eth.L2BlockRef {
 // since it can consolidate previously sequenced blocks by comparing sequenced inputs with derived inputs.
 // If the derivation pipeline does force a conflicting block, then an ongoing sequencer task might still finish,
 // but the derivation can continue to reset until the chain is correct.
+// If the engine is currently building safe blocks, then that building is not interrupted, and sequencing is delayed.
 func (d *Sequencer) RunNextSequencerAction(ctx context.Context) (*eth.ExecutionPayload, error) {
-	if _, buildingID, _ := d.engine.BuildingPayload(); buildingID != (eth.PayloadID{}) {
+	if onto, buildingID, safe := d.engine.BuildingPayload(); buildingID != (eth.PayloadID{}) {
+		if safe {
+			d.log.Warn("avoiding sequencing to not interrupt safe-head changes", "onto", onto, "onto_time", onto.Time)
+			// approximates the worst-case time it takes to build a block, to reattempt sequencing after.
+			d.nextAction = d.timeNow().Add(time.Second * time.Duration(d.config.BlockTime))
+			return nil, nil
+		}
 		payload, err := d.CompleteBuildingBlock(ctx)
 		if err != nil {
 			if errors.Is(err, derive.ErrCritical) {

op-node/rollup/driver/state.go

@@ -209,7 +209,9 @@ func (s *Driver) eventLoop() {
 	for {
 		// If we are sequencing, and the L1 state is ready, update the trigger for the next sequencer action.
 		// This may adjust at any time based on fork-choice changes or previous errors.
-		if s.driverConfig.SequencerEnabled && !s.driverConfig.SequencerStopped && s.l1State.L1Head() != (eth.L1BlockRef{}) {
+		// And avoid sequencing if the derivation pipeline indicates the engine is not ready.
+		if s.driverConfig.SequencerEnabled && !s.driverConfig.SequencerStopped &&
+			s.l1State.L1Head() != (eth.L1BlockRef{}) && s.derivation.EngineReady() {
 			// update sequencer time if the head changed
 			if s.sequencer.BuildingOnto().ID() != s.derivation.UnsafeL2Head().ID() {
 				planSequencerAction()

op-node/rollup/sync/start.go

@@ -126,8 +126,17 @@ func FindL2Heads(ctx context.Context, cfg *rollup.Config, l1 L1Chain, l2 L2Chain
 	// then we return the last L2 block of the epoch before that as safe head.
 	// Each loop iteration we traverse a single L2 block, and we check if the L1 origins are consistent.
 	for {
-		// Fetch L1 information if we never had it, or if we do not have it for the current origin
-		if l1Block == (eth.L1BlockRef{}) || n.L1Origin.Hash != l1Block.Hash {
+		// Fetch L1 information if we never had it, or if we do not have it for the current origin.
+		// Optimization: as soon as we have a previous L1 block, try to traverse L1 by hash instead of by number, to fill the cache.
+		if n.L1Origin.Hash == l1Block.ParentHash {
+			b, err := l1.L1BlockRefByHash(ctx, n.L1Origin.Hash)
+			if err != nil {
+				// Exit, find-sync start should start over, to move to an available L1 chain with block-by-number / not-found case.
+				return nil, fmt.Errorf("failed to retrieve L1 block: %w", err)
+			}
+			l1Block = b
+			ahead = false
+		} else if l1Block == (eth.L1BlockRef{}) || n.L1Origin.Hash != l1Block.Hash {
 			b, err := l1.L1BlockRefByNumber(ctx, n.L1Origin.Number)
 			// if L2 is ahead of L1 view, then consider it a "plausible" head
 			notFound := errors.Is(err, ethereum.NotFound)

op-node/sources/l1_client.go

@@ -24,6 +24,7 @@ type L1ClientConfig struct {
 func L1ClientDefaultConfig(config *rollup.Config, trustRPC bool, kind RPCProviderKind) *L1ClientConfig {
 	// Cache 3/2 worth of sequencing window of receipts and txs
 	span := int(config.SeqWindowSize) * 3 / 2
+	fullSpan := span
 	if span > 1000 { // sanity cap. If a large sequencing window is configured, do not make the cache too large
 		span = 1000
 	}
@@ -40,7 +41,8 @@ func L1ClientDefaultConfig(config *rollup.Config, trustRPC bool, kind RPCProvide
 			MustBePostMerge:       false,
 			RPCProviderKind:       kind,
 		},
-		L1BlockRefsCacheSize: span,
+		// Not bounded by span, to cover find-sync-start range fully for speedy recovery after errors.
+		L1BlockRefsCacheSize: fullSpan,
 	}
 }
 

op-node/sources/l2_client.go

@@ -34,6 +34,7 @@ func L2ClientDefaultConfig(config *rollup.Config, trustRPC bool) *L2ClientConfig
 		span *= 12
 		span /= int(config.BlockTime)
 	}
+	fullSpan := span
 	if span > 1000 { // sanity cap. If a large sequencing window is configured, do not make the cache too large
 		span = 1000
 	}
@@ -50,7 +51,8 @@ func L2ClientDefaultConfig(config *rollup.Config, trustRPC bool) *L2ClientConfig
 			MustBePostMerge:       true,
 			RPCProviderKind:       RPCKindBasic,
 		},
-		L2BlockRefsCacheSize: span,
+		// Not bounded by span, to cover find-sync-start range fully for speedy recovery after errors.
+		L2BlockRefsCacheSize: fullSpan,
 		L1ConfigsCacheSize:   span,
 		RollupCfg:            config,
 	}

op-proposer/Dockerfile

-FROM --platform=$BUILDPLATFORM golang:1.18.0-alpine3.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.19.0-alpine3.15 as builder
 
 ARG VERSION=v0.0.0
 

op-proposer/proposer/l2_output_submitter.go

@@ -208,6 +208,13 @@ func NewL2OutputSubmitter(cfg Config, l log.Logger) (*L2OutputSubmitter, error)
 		return nil, err
 	}
 
+	version, err := l2ooContract.Version(&bind.CallOpts{})
+	if err != nil {
+		cancel()
+		return nil, err
+	}
+	log.Info("Connected to L2OutputOracle", "address", cfg.L2OutputOracleAddr, "version", version)
+
 	parsed, err := abi.JSON(strings.NewReader(bindings.L2OutputOracleMetaData.ABI))
 	if err != nil {
 		cancel()

op-service/metrics/event.go

+package metrics
+
+import (
+	"fmt"
+
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type Event struct {
+	Total    prometheus.Counter
+	LastTime prometheus.Gauge
+}
+
+func (e *Event) Record() {
+	e.Total.Inc()
+	e.LastTime.SetToCurrentTime()
+}
+
+func NewEvent(factory Factory, ns string, name string, displayName string) Event {
+	return Event{
+		Total: factory.NewCounter(prometheus.CounterOpts{
+			Namespace: ns,
+			Name:      fmt.Sprintf("%s_total", name),
+			Help:      fmt.Sprintf("Count of %s events", displayName),
+		}),
+		LastTime: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      fmt.Sprintf("last_%s_unix", name),
+			Help:      fmt.Sprintf("Timestamp of last %s event", displayName),
+		}),
+	}
+}
+
+type EventVec struct {
+	Total    prometheus.CounterVec
+	LastTime prometheus.GaugeVec
+}
+
+func (e *EventVec) Record(lvs ...string) {
+	e.Total.WithLabelValues(lvs...).Inc()
+	e.LastTime.WithLabelValues(lvs...).SetToCurrentTime()
+}
+
+func NewEventVec(factory Factory, ns string, name string, displayName string, labelNames []string) EventVec {
+	return EventVec{
+		Total: *factory.NewCounterVec(prometheus.CounterOpts{
+			Namespace: ns,
+			Name:      fmt.Sprintf("%s_total", name),
+			Help:      fmt.Sprintf("Count of %s events", displayName),
+		}, labelNames),
+		LastTime: *factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      fmt.Sprintf("last_%s_unix", name),
+			Help:      fmt.Sprintf("Timestamp of last %s event", displayName),
+		},
+			labelNames),
+	}
+}

op-service/metrics/ref_metrics.go

+package metrics
+
+import (
+	"encoding/binary"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/op-node/eth"
+
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/prometheus/client_golang/prometheus"
+)
+
+type RefMetricer interface {
+	RecordRef(layer string, name string, num uint64, timestamp uint64, h common.Hash)
+	RecordL1Ref(name string, ref eth.L1BlockRef)
+	RecordL2Ref(name string, ref eth.L2BlockRef)
+}
+
+// RefMetrics provides block reference metrics. It's a metrics module that's
+// supposed to be embedded into a service metrics type. The service metrics type
+// should set the full namespace and create the factory before calling
+// NewRefMetrics.
+type RefMetrics struct {
+	RefsNumber  *prometheus.GaugeVec
+	RefsTime    *prometheus.GaugeVec
+	RefsHash    *prometheus.GaugeVec
+	RefsSeqNr   *prometheus.GaugeVec
+	RefsLatency *prometheus.GaugeVec
+	// hash of the last seen block per name, so we don't reduce/increase latency on updates of the same data,
+	// and only count the first occurrence
+	LatencySeen map[string]common.Hash
+}
+
+var _ RefMetricer = (*RefMetrics)(nil)
+
+// MakeRefMetrics returns a new RefMetrics, initializing its prometheus fields
+// using factory. It is supposed to be used inside the construtors of metrics
+// structs for any op service after the full namespace and factory have been
+// setup.
+//
+// ns is the fully qualified namespace, e.g. "op_node_default".
+func MakeRefMetrics(ns string, factory Factory) RefMetrics {
+	return RefMetrics{
+		RefsNumber: factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "refs_number",
+			Help:      "Gauge representing the different L1/L2 reference block numbers",
+		}, []string{
+			"layer",
+			"type",
+		}),
+		RefsTime: factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "refs_time",
+			Help:      "Gauge representing the different L1/L2 reference block timestamps",
+		}, []string{
+			"layer",
+			"type",
+		}),
+		RefsHash: factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "refs_hash",
+			Help:      "Gauge representing the different L1/L2 reference block hashes truncated to float values",
+		}, []string{
+			"layer",
+			"type",
+		}),
+		RefsSeqNr: factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "refs_seqnr",
+			Help:      "Gauge representing the different L2 reference sequence numbers",
+		}, []string{
+			"type",
+		}),
+		RefsLatency: factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: ns,
+			Name:      "refs_latency",
+			Help:      "Gauge representing the different L1/L2 reference block timestamps minus current time, in seconds",
+		}, []string{
+			"layer",
+			"type",
+		}),
+		LatencySeen: make(map[string]common.Hash),
+	}
+}
+
+func (m *RefMetrics) RecordRef(layer string, name string, num uint64, timestamp uint64, h common.Hash) {
+	m.RefsNumber.WithLabelValues(layer, name).Set(float64(num))
+	if timestamp != 0 {
+		m.RefsTime.WithLabelValues(layer, name).Set(float64(timestamp))
+		// only meter the latency when we first see this hash for the given label name
+		if m.LatencySeen[name] != h {
+			m.LatencySeen[name] = h
+			m.RefsLatency.WithLabelValues(layer, name).Set(float64(timestamp) - (float64(time.Now().UnixNano()) / 1e9))
+		}
+	}
+	// we map the first 8 bytes to a float64, so we can graph changes of the hash to find divergences visually.
+	// We don't do math.Float64frombits, just a regular conversion, to keep the value within a manageable range.
+	m.RefsHash.WithLabelValues(layer, name).Set(float64(binary.LittleEndian.Uint64(h[:])))
+}
+
+func (m *RefMetrics) RecordL1Ref(name string, ref eth.L1BlockRef) {
+	m.RecordRef("l1", name, ref.Number, ref.Time, ref.Hash)
+}
+
+func (m *RefMetrics) RecordL2Ref(name string, ref eth.L2BlockRef) {
+	m.RecordRef("l2", name, ref.Number, ref.Time, ref.Hash)
+	m.RecordRef("l1_origin", name, ref.L1Origin.Number, 0, ref.L1Origin.Hash)
+	m.RefsSeqNr.WithLabelValues(name).Set(float64(ref.SequenceNumber))
+}
+
+// NoopRefMetrics can be embedded in a noop version of a metric implementation
+// to have a noop RefMetricer.
+type NoopRefMetrics struct{}
+
+func (*NoopRefMetrics) RecordRef(string, string, uint64, uint64, common.Hash) {}
+func (*NoopRefMetrics) RecordL1Ref(string, eth.L1BlockRef)                    {}
+func (*NoopRefMetrics) RecordL2Ref(string, eth.L2BlockRef)                    {}

op-service/txmgr/txmgr.go

@@ -154,11 +154,22 @@ func (m *SimpleTxManager) IncreaseGasPrice(ctx context.Context, tx *types.Transa
 	thresholdFeeCap := new(big.Int).Mul(priceBumpPercent, tx.GasFeeCap())
 	thresholdFeeCap = thresholdFeeCap.Div(thresholdFeeCap, oneHundred)
 	if tx.GasFeeCapIntCmp(gasFeeCap) >= 0 {
+		if reusedTip {
 			m.l.Debug("Reusing the previous fee cap", "previous", tx.GasFeeCap(), "suggested", gasFeeCap)
 			gasFeeCap = tx.GasFeeCap()
 			reusedFeeCap = true
+		} else {
+			m.l.Debug("Overriding the fee cap to enforce a price bump because we increased the tip", "previous", tx.GasFeeCap(), "suggested", gasFeeCap, "new", thresholdFeeCap)
+			gasFeeCap = thresholdFeeCap
+		}
 	} else if thresholdFeeCap.Cmp(gasFeeCap) > 0 {
+		if reusedTip {
+			// TODO (CLI-3620): Increase the basefee then recompute the feecap
+			m.l.Warn("Overriding the fee cap to enforce a price bump without increasing the tip. Will likely result in ErrReplacementUnderpriced",
+				"previous", tx.GasFeeCap(), "suggested", gasFeeCap, "new", thresholdFeeCap)
+		} else {
 			m.l.Debug("Overriding the fee cap to enforce a price bump", "previous", tx.GasFeeCap(), "suggested", gasFeeCap, "new", thresholdFeeCap)
+		}
 		gasFeeCap = thresholdFeeCap
 	}
 

op-service/txmgr/txmgr_test.go

@@ -621,6 +621,84 @@ func TestIncreaseGasPriceEnforcesMinBump(t *testing.T) {
 		baseFee: big.NewInt(460),
 	}
 
+	mgr := &SimpleTxManager{
+		Config: Config{
+			ResubmissionTimeout:       time.Second,
+			ReceiptQueryInterval:      50 * time.Millisecond,
+			NumConfirmations:          1,
+			SafeAbortNonceTooLowCount: 3,
+			Signer: func(ctx context.Context, from common.Address, tx *types.Transaction) (*types.Transaction, error) {
+				return tx, nil
+			},
+			From: common.Address{},
+		},
+		name:    "TEST",
+		backend: &borkedBackend,
+		l:       testlog.Logger(t, log.LvlTrace),
+	}
+
+	tx := types.NewTx(&types.DynamicFeeTx{
+		GasTipCap: big.NewInt(100),
+		GasFeeCap: big.NewInt(1000),
+	})
+
+	ctx := context.Background()
+	newTx, err := mgr.IncreaseGasPrice(ctx, tx)
+	require.NoError(t, err)
+	require.True(t, newTx.GasFeeCap().Cmp(tx.GasFeeCap()) > 0, "new tx fee cap must be larger")
+	require.True(t, newTx.GasTipCap().Cmp(tx.GasTipCap()) > 0, "new tx tip must be larger")
+}
+
+// TestIncreaseGasPriceEnforcesMinBumpForBothOnTipIncrease asserts that if the gasTip goes up,
+// but the baseFee doesn't, both values are increased by 10%
+func TestIncreaseGasPriceEnforcesMinBumpForBothOnTipIncrease(t *testing.T) {
+	t.Parallel()
+
+	borkedBackend := failingBackend{
+		gasTip:  big.NewInt(101),
+		baseFee: big.NewInt(440),
+	}
+
+	mgr := &SimpleTxManager{
+		Config: Config{
+			ResubmissionTimeout:       time.Second,
+			ReceiptQueryInterval:      50 * time.Millisecond,
+			NumConfirmations:          1,
+			SafeAbortNonceTooLowCount: 3,
+			Signer: func(ctx context.Context, from common.Address, tx *types.Transaction) (*types.Transaction, error) {
+				return tx, nil
+			},
+			From: common.Address{},
+		},
+		name:    "TEST",
+		backend: &borkedBackend,
+		l:       testlog.Logger(t, log.LvlCrit),
+	}
+
+	tx := types.NewTx(&types.DynamicFeeTx{
+		GasTipCap: big.NewInt(100),
+		GasFeeCap: big.NewInt(1000),
+	})
+
+	ctx := context.Background()
+	newTx, err := mgr.IncreaseGasPrice(ctx, tx)
+	require.NoError(t, err)
+	require.True(t, newTx.GasFeeCap().Cmp(tx.GasFeeCap()) > 0, "new tx fee cap must be larger")
+	require.True(t, newTx.GasTipCap().Cmp(tx.GasTipCap()) > 0, "new tx tip must be larger")
+}
+
+// TestIncreaseGasPriceEnforcesMinBumpForBothOnBaseFeeIncrease asserts that if the baseFee goes up,
+// but the tip doesn't, both values are increased by 10%
+// TODO(CLI-3620): This test will fail until we implemented CLI-3620.
+func TestIncreaseGasPriceEnforcesMinBumpForBothOnBaseFeeIncrease(t *testing.T) {
+	t.Skip("Failing until CLI-3620 is implemented")
+	t.Parallel()
+
+	borkedBackend := failingBackend{
+		gasTip:  big.NewInt(99),
+		baseFee: big.NewInt(460),
+	}
+
 	mgr := &SimpleTxManager{
 		Config: Config{
 			ResubmissionTimeout:       time.Second,

op-wheel/Dockerfile

-FROM golang:1.18.0-alpine3.15 as builder
+FROM golang:1.19.0-alpine3.15 as builder
 
 RUN apk add --no-cache make gcc musl-dev linux-headers
 

op-wheel/cheat/cheat.go

@@ -10,6 +10,7 @@ import (
 	"path/filepath"
 	"strings"
 
+	"github.com/ethereum-optimism/optimism/op-node/eth"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/consensus/beacon"
 	"github.com/ethereum/go-ethereum/consensus/ethash"
@@ -80,11 +81,11 @@ type HeadFn func(headState *state.StateDB) error
 // and updates the blockchain headers indexes to reflect the new state-root, so geth will believe the cheat
 // (unless it ever re-applies the block).
 func (ch *Cheater) RunAndClose(fn HeadFn) error {
-	preBlock := ch.Blockchain.CurrentBlock()
-	if a, b := preBlock.NumberU64(), ch.Blockchain.Genesis().NumberU64(); a <= b {
+	preHeader := ch.Blockchain.CurrentBlock()
+	if a, b := preHeader.Number.Uint64(), ch.Blockchain.Genesis().NumberU64(); a <= b {
 		return fmt.Errorf("cheating at genesis (head block %d <= genesis block %d) is not supported", a, b)
 	}
-	state, err := ch.Blockchain.StateAt(preBlock.Root())
+	state, err := ch.Blockchain.StateAt(preHeader.Root)
 	if err != nil {
 		_ = ch.Close()
 		return fmt.Errorf("failed to look up head state: %w", err)
@@ -103,7 +104,7 @@ func (ch *Cheater) RunAndClose(fn HeadFn) error {
 		_ = ch.Close()
 		return fmt.Errorf("failed to commit state change: %w", err)
 	}
-	header := preBlock.Header()
+	header := preHeader // copy the header
 	header.Root = stateRoot
 	blockHash := header.Hash()
 
@@ -115,14 +116,15 @@ func (ch *Cheater) RunAndClose(fn HeadFn) error {
 	// based on core.BlockChain.writeHeadBlock:
 	// Add the block to the canonical chain number scheme and mark as the head
 	batch := ch.DB.NewBatch()
-	if ch.Blockchain.CurrentFinalizedBlock().Hash() == preBlock.Hash() {
+	preID := eth.BlockID{Hash: preHeader.Hash(), Number: preHeader.Number.Uint64()}
+	if ch.Blockchain.CurrentFinalBlock().Hash() == preID.Hash {
 		rawdb.WriteFinalizedBlockHash(batch, blockHash)
 	}
-	rawdb.DeleteHeaderNumber(batch, preBlock.Hash())
+	rawdb.DeleteHeaderNumber(batch, preHeader.Hash())
 	rawdb.WriteHeadHeaderHash(batch, blockHash)
 	rawdb.WriteHeadFastBlockHash(batch, blockHash)
-	rawdb.WriteCanonicalHash(batch, blockHash, preBlock.NumberU64())
-	rawdb.WriteHeaderNumber(batch, blockHash, preBlock.NumberU64())
+	rawdb.WriteCanonicalHash(batch, blockHash, preID.Number)
+	rawdb.WriteHeaderNumber(batch, blockHash, preID.Number)
 	rawdb.WriteHeader(batch, header)
 	// not keyed by blockhash, and we didn't remove any txs, so we just leave this one as-is.
 	// rawdb.WriteTxLookupEntriesByBlock(batch, block)
@@ -131,17 +133,17 @@ func (ch *Cheater) RunAndClose(fn HeadFn) error {
 	// Geth stores the TD for each block separately from the block itself. We must update this
 	// manually, otherwise Geth thinks we haven't reached TTD yet and tries to build a block
 	// using Clique consensus, which causes a panic.
-	rawdb.WriteTd(batch, blockHash, preBlock.NumberU64(), ch.Blockchain.GetTd(preBlock.Hash(), preBlock.NumberU64()))
+	rawdb.WriteTd(batch, blockHash, preID.Number, ch.Blockchain.GetTd(preID.Hash, preID.Number))
 
 	// Need to copy over receipts since they are keyed by block hash.
-	receipts := rawdb.ReadReceipts(ch.DB, preBlock.Hash(), preBlock.NumberU64(), ch.Blockchain.Config())
-	rawdb.WriteReceipts(batch, blockHash, preBlock.NumberU64(), receipts)
+	receipts := rawdb.ReadReceipts(ch.DB, preID.Hash, preID.Number, ch.Blockchain.Config())
+	rawdb.WriteReceipts(batch, blockHash, preID.Number, receipts)
 
 	// Geth maintains an internal mapping between block bodies and their hashes. None of the database
 	// accessors above update this mapping, so we need to do it manually.
-	oldKey := blockBodyKey(preBlock.NumberU64(), preBlock.Hash())
-	oldBody := rawdb.ReadBodyRLP(ch.DB, preBlock.Hash(), preBlock.NumberU64())
-	newKey := blockBodyKey(preBlock.NumberU64(), blockHash)
+	oldKey := blockBodyKey(preID.Number, preID.Hash)
+	oldBody := rawdb.ReadBodyRLP(ch.DB, preID.Hash, preID.Number)
+	newKey := blockBodyKey(preID.Number, blockHash)
 	if err := batch.Delete(oldKey); err != nil {
 		return fmt.Errorf("error deleting old block body key")
 	}

packages/common-ts/.depcheckrc

+ignores: [
+  "@babel/eslint-parser",
+  "@typescript-eslint/parser",
+  "eslint-plugin-import",
+  "eslint-plugin-unicorn",
+  "eslint-plugin-jsdoc",
+  "eslint-plugin-prefer-arrow",
+  "eslint-plugin-react",
+  "@typescript-eslint/eslint-plugin",
+  "eslint-config-prettier",
+  "eslint-plugin-prettier"
+]

packages/common-ts/package.json

@@ -17,7 +17,7 @@
     "lint": "yarn lint:fix && yarn lint:check",
     "pre-commit": "lint-staged",
     "test": "ts-mocha test/*.spec.ts",
-    "test:coverage": "echo 'no coverage'"
+    "test:coverage": "nyc ts-mocha test/*.spec.ts && nyc merge .nyc_output coverage.json"
   },
   "keywords": [
     "optimism",
@@ -48,8 +48,7 @@
     "pino": "^6.11.3",
     "pino-multi-stream": "^5.3.0",
     "pino-sentry": "^0.7.0",
-    "prom-client": "^13.1.0",
-    "qs": "^6.10.5"
+    "prom-client": "^13.1.0"
   },
   "devDependencies": {
     "@ethersproject/abstract-provider": "^5.7.0",

packages/common-ts/test/metrics.spec.ts

@@ -3,11 +3,11 @@ import request from 'supertest'
 import chai = require('chai')
 const expect = chai.expect
 
-import { Logger, Metrics, createMetricsServer } from '../src'
+import { Logger, LegacyMetrics, createMetricsServer } from '../src'
 
 describe('Metrics', () => {
   it('shoud serve metrics', async () => {
-    const metrics = new Metrics({
+    const metrics = new LegacyMetrics({
       prefix: 'test_metrics',
     })
     const registry = metrics.registry

packages/contracts-bedrock/.gas-snapshot

@@ -141,6 +141,7 @@ L2ERC721Bridge_Test:test_bridgeERC721_succeeds() (gas: 144643)
 L2ERC721Bridge_Test:test_bridgeERC721_wrongOwner_reverts() (gas: 29258)
 L2ERC721Bridge_Test:test_constructor_succeeds() (gas: 10110)
 L2ERC721Bridge_Test:test_finalizeBridgeERC721_alreadyExists_reverts() (gas: 29128)
+L2ERC721Bridge_Test:test_finalizeBridgeERC721_interfaceNotCompliant_reverts() (gas: 236012)
 L2ERC721Bridge_Test:test_finalizeBridgeERC721_notFromRemoteMessenger_reverts() (gas: 19874)
 L2ERC721Bridge_Test:test_finalizeBridgeERC721_notViaLocalMessenger_reverts() (gas: 16104)
 L2ERC721Bridge_Test:test_finalizeBridgeERC721_selfToken_reverts() (gas: 17659)

packages/contracts-bedrock/contracts/L1/OptimismPortal.sol

@@ -49,7 +49,7 @@ contract OptimismPortal is Initializable, ResourceMetering, Semver {
     L2OutputOracle public immutable L2_ORACLE;
 
     /**
-     * @notice Address that has the ability to pause and unpause deposits and withdrawals.
+     * @notice Address that has the ability to pause and unpause withdrawals.
      */
     address public immutable GUARDIAN;
 

packages/contracts-bedrock/contracts/deployment/SystemDictator.sol

@@ -155,6 +155,33 @@ contract SystemDictator is OwnableUpgradeable {
         currentStep++;
     }
 
+    /**
+     * @notice Constructor required to ensure that the implementation of the SystemDictator is
+     *         initialized upon deployment.
+     */
+    constructor() {
+        // Using this shorter variable as an alias for address(0) just prevents us from having to
+        // to use a new line for every single parameter.
+        address zero = address(0);
+        initialize(
+            DeployConfig(
+                GlobalConfig(AddressManager(zero), ProxyAdmin(zero), zero, zero),
+                ProxyAddressConfig(zero, zero, zero, zero, zero, zero, zero),
+                ImplementationAddressConfig(
+                    L2OutputOracle(zero),
+                    OptimismPortal(payable(zero)),
+                    L1CrossDomainMessenger(zero),
+                    L1StandardBridge(payable(zero)),
+                    OptimismMintableERC20Factory(zero),
+                    L1ERC721Bridge(zero),
+                    PortalSender(zero),
+                    SystemConfig(zero)
+                ),
+                SystemConfigConfig(zero, 0, 0, bytes32(0), 0, zero)
+            )
+        );
+    }
+
     /**
      * @param _config System configuration.
      */

packages/contracts-bedrock/contracts/test/L2ERC721Bridge.t.sol

@@ -278,6 +278,33 @@ contract L2ERC721Bridge_Test is Messenger_Initializer {
         assertEq(localToken.ownerOf(tokenId), alice);
     }
 
+    function test_finalizeBridgeERC721_interfaceNotCompliant_reverts() external {
+        // Create a non-compliant token
+        NonCompliantERC721 nonCompliantToken = new NonCompliantERC721(alice);
+
+        // Bridge the non-compliant token.
+        vm.prank(alice);
+        bridge.bridgeERC721(address(nonCompliantToken), address(0x01), tokenId, 1234, hex"5678");
+
+        // Attempt to finalize the withdrawal. Should revert because the token does not claim
+        // to be compliant with the `IOptimismMintableERC721` interface.
+        vm.mockCall(
+            address(L2Messenger),
+            abi.encodeWithSelector(L2Messenger.xDomainMessageSender.selector),
+            abi.encode(otherBridge)
+        );
+        vm.prank(address(L2Messenger));
+        vm.expectRevert("L2ERC721Bridge: local token interface is not compliant");
+        bridge.finalizeBridgeERC721(
+            address(address(nonCompliantToken)),
+            address(address(0x01)),
+            alice,
+            alice,
+            tokenId,
+            hex"5678"
+        );
+    }
+
     function test_finalizeBridgeERC721_notViaLocalMessenger_reverts() external {
         // Finalize a withdrawal.
         vm.prank(alice);
@@ -349,3 +376,33 @@ contract L2ERC721Bridge_Test is Messenger_Initializer {
         );
     }
 }
+
+/**
+ * @dev A non-compliant ERC721 token that does not implement the full ERC721 interface.
+ *
+ * This is used to test that the bridge will revert if the token does not claim to support
+ * the ERC721 interface.
+ */
+contract NonCompliantERC721 {
+    address internal immutable owner;
+
+    constructor(address _owner) {
+        owner = _owner;
+    }
+
+    function ownerOf(uint256) external view returns (address) {
+        return owner;
+    }
+
+    function remoteToken() external pure returns (address) {
+        return address(0x01);
+    }
+
+    function burn(address, uint256) external {
+        // Do nothing.
+    }
+
+    function supportsInterface(bytes4) external pure returns (bool) {
+        return false;
+    }
+}

packages/contracts-bedrock/deploy-config/devnetL1.json

@@ -20,6 +20,7 @@
   "sequencerFeeVaultRecipient": "0xfabb0ac9d68b0b445fb7357272ff202c5651694a",
   "proxyAdminOwner": "0xBcd4042DE499D14e55001CcbB24a551F3b954096",
   "finalSystemOwner": "0xBcd4042DE499D14e55001CcbB24a551F3b954096",
+  "portalGuardian": "0xBcd4042DE499D14e55001CcbB24a551F3b954096",
   "controller": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266",
   "finalizationPeriodSeconds": 2,
   "deploymentWaitConfirmations": 1,

packages/contracts-bedrock/deploy-config/final-migration-rehearsal.json

 {
   "finalSystemOwner": "0x62790eFcB3a5f3A5D398F95B47930A9Addd83807",
+  "portalGuardian": "0x62790eFcB3a5f3A5D398F95B47930A9Addd83807",
   "controller": "0x2d30335B0b807bBa1682C487BaAFD2Ad6da5D675",
 
   "l1StartingBlockTag": "0x4104895a540d87127ff11eef0d51d8f63ce00a6fc211db751a45a4b3a61a9c83",

packages/contracts-bedrock/deploy-config/getting-started.json

@@ -2,6 +2,7 @@
   "numDeployConfirmations": 1,
 
   "finalSystemOwner": "ADMIN",
+  "portalGuardian": "ADMIN",
   "controller": "ADMIN",
 
   "l1StartingBlockTag": "BLOCKHASH",

packages/contracts-bedrock/deploy-config/goerli-forked.json

 {
   "finalSystemOwner": "0x62790eFcB3a5f3A5D398F95B47930A9Addd83807",
+  "portalGuardian": "0x62790eFcB3a5f3A5D398F95B47930A9Addd83807",
   "controller": "0x2d30335B0b807bBa1682C487BaAFD2Ad6da5D675",
 
   "l1StartingBlockTag": "0x4104895a540d87127ff11eef0d51d8f63ce00a6fc211db751a45a4b3a61a9c83",

packages/contracts-bedrock/deploy-config/goerli.json

@@ -2,6 +2,7 @@
   "numDeployConfirmations": 1,
 
   "finalSystemOwner": "0xBc1233d0C3e6B5d53Ab455cF65A6623F6dCd7e4f",
+  "portalGuardian": "0xBc1233d0C3e6B5d53Ab455cF65A6623F6dCd7e4f",
   "controller": "0xBc1233d0C3e6B5d53Ab455cF65A6623F6dCd7e4f",
 
   "l1StartingBlockTag": "0x6ffc1bf3754c01f6bb9fe057c1578b87a8571ce2e9be5ca14bace6eccfd336c7",

packages/contracts-bedrock/deploy-config/hardhat.json

 {
   "finalSystemOwner": "0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc",
+  "portalGuardian": "0x9965507D1a55bcC2695C58ba16FB37d819B0A4dc",
   "controller": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266",
 
   "l1StartingBlockTag": "earliest",

packages/contracts-bedrock/deploy-config/internal-devnet.json

 {
   "finalSystemOwner": "0x858F0751ef8B4067f0d2668C076BDB50a8549fbF",
+  "portalGuardian": "0x858F0751ef8B4067f0d2668C076BDB50a8549fbF",
   "controller": "0x2d30335B0b807bBa1682C487BaAFD2Ad6da5D675",
 
   "l1StartingBlockTag": "0x19c7e6b18fe156e45f4cfef707294fd8f079fa9c30a7b7cd6ec1ce3682ec6a2e",

packages/contracts-bedrock/deploy/013-OptimismPortalImpl.ts

@@ -17,13 +17,11 @@ const deployFn: DeployFunction = async (hre) => {
     'L2OutputOracleProxy'
   )
 
-  const finalSystemOwner = hre.deployConfig.finalSystemOwner
-  const finalSystemOwnerCode = await hre.ethers.provider.getCode(
-    finalSystemOwner
-  )
-  if (finalSystemOwnerCode === '0x') {
+  const portalGuardian = hre.deployConfig.portalGuardian
+  const portalGuardianCode = await hre.ethers.provider.getCode(portalGuardian)
+  if (portalGuardianCode === '0x') {
     console.log(
-      `WARNING: setting OptimismPortal.GUARDIAN to ${finalSystemOwner} and it has no code`
+      `WARNING: setting OptimismPortal.GUARDIAN to ${portalGuardian} and it has no code`
     )
     if (!isLiveDeployer) {
       throw new Error(
@@ -35,13 +33,13 @@ const deployFn: DeployFunction = async (hre) => {
   // Deploy the OptimismPortal implementation as paused to
   // ensure that users do not interact with it and instead
   // interact with the proxied contract.
-  // The `finalSystemOwner` is set at the GUARDIAN.
+  // The `portalGuardian` is set at the GUARDIAN.
   await deploy({
     hre,
     name: 'OptimismPortal',
     args: [
       L2OutputOracleProxy.address,
-      finalSystemOwner,
+      portalGuardian,
       true, // paused
     ],
     postDeployAction: async (contract) => {
@@ -53,7 +51,7 @@ const deployFn: DeployFunction = async (hre) => {
       await assertContractVariable(
         contract,
         'GUARDIAN',
-        hre.deployConfig.finalSystemOwner
+        hre.deployConfig.portalGuardian
       )
     },
   })

packages/contracts-bedrock/deploy/020-SystemDictatorSteps-1.ts

@@ -109,7 +109,7 @@ const deployFn: DeployFunction = async (hre) => {
         const owner = await AddressManager.owner()
         return owner === SystemDictator.address
       },
-      30000,
+      5000,
       1000
     )
   } else {
@@ -149,7 +149,7 @@ const deployFn: DeployFunction = async (hre) => {
         })
         return owner === SystemDictator.address
       },
-      30000,
+      5000,
       1000
     )
   } else {
@@ -187,7 +187,7 @@ const deployFn: DeployFunction = async (hre) => {
         })
         return owner === SystemDictator.address
       },
-      30000,
+      5000,
       1000
     )
   } else {

packages/contracts-bedrock/deploy/021-SystemDictatorSteps-2.ts

@@ -203,7 +203,7 @@ const deployFn: DeployFunction = async (hre) => {
       async () => {
         return SystemDictator.dynamicConfigSet()
       },
-      30000,
+      5000,
       1000
     )
   }
@@ -316,7 +316,7 @@ const deployFn: DeployFunction = async (hre) => {
         const paused = await OptimismPortal.paused()
         return !paused
       },
-      30000,
+      5000,
       1000
     )
 
@@ -345,7 +345,7 @@ const deployFn: DeployFunction = async (hre) => {
       async () => {
         return SystemDictator.finalized()
       },
-      30000,
+      5000,
       1000
     )
 

packages/contracts-bedrock/hardhat.config.ts

@@ -23,7 +23,7 @@ const config: HardhatUserConfig = {
       live: false,
     },
     mainnet: {
-      url: process.env.RPC_URL || 'http://localhost:8545',
+      url: process.env.L1_RPC || 'http://localhost:8545',
     },
     devnetL1: {
       live: false,

packages/contracts-bedrock/scripts/differential-testing/utils.go

@@ -27,7 +27,7 @@ func checkOk(ok bool) {
 // Shorthand to ease go's god awful error handling
 func checkErr(err error, failReason string) {
 	if err != nil {
-		panic(fmt.Errorf("%s: %s", failReason, err))
+		panic(fmt.Errorf("%s: %w", failReason, err))
 	}
 }
 

packages/contracts-bedrock/src/deploy-config.ts

@@ -14,6 +14,12 @@ interface RequiredDeployConfig {
    */
   finalSystemOwner?: string
 
+  /**
+   * Address that is deployed as the GUARDIAN in the OptimismPortal. Has the
+   * ability to pause withdrawals.
+   */
+  portalGuardian: string
+
   /**
    * Address that will own the entire system on L1 during the deployment process. This address will
    * not own the system after the deployment is complete, ownership will be transferred to the
@@ -181,6 +187,9 @@ export const deployConfigSpec: {
   finalSystemOwner: {
     type: 'address',
   },
+  portalGuardian: {
+    type: 'address',
+  },
   controller: {
     type: 'address',
   },

packages/sdk/src/utils/contracts.ts

@@ -165,19 +165,19 @@ export const getBridgeAdapters = (
   }
 ): BridgeAdapters => {
   const adapterData: BridgeAdapterData = {
-    ...(CONTRACT_ADDRESSES[l2ChainId]
+    ...(CONTRACT_ADDRESSES[l2ChainId] || opts?.contracts?.l1?.L1StandardBridge
       ? {
           Standard: {
             Adapter: StandardBridgeAdapter,
             l1Bridge:
-              opts.contracts?.l1?.L1StandardBridge ||
+              opts?.contracts?.l1?.L1StandardBridge ||
               CONTRACT_ADDRESSES[l2ChainId].l1.L1StandardBridge,
             l2Bridge: predeploys.L2StandardBridge,
           },
           ETH: {
             Adapter: ETHBridgeAdapter,
             l1Bridge:
-              opts.contracts?.l1?.L1StandardBridge ||
+              opts?.contracts?.l1?.L1StandardBridge ||
               CONTRACT_ADDRESSES[l2ChainId].l1.L1StandardBridge,
             l2Bridge: predeploys.L2StandardBridge,
           },

patches/@changesets+cli+2.26.0.patch

+diff --git a/node_modules/@changesets/cli/dist/cli.cjs.dev.js b/node_modules/@changesets/cli/dist/cli.cjs.dev.js
+index b158219..6fdfb6e 100644
+--- a/node_modules/@changesets/cli/dist/cli.cjs.dev.js
++++ b/node_modules/@changesets/cli/dist/cli.cjs.dev.js
+@@ -937,7 +937,7 @@ async function publishPackages({
+ }) {
+   const packagesByName = new Map(packages.map(x => [x.packageJson.name, x]));
+   const publicPackages = packages.filter(pkg => !pkg.packageJson.private);
+-  const unpublishedPackagesInfo = await getUnpublishedPackages(publicPackages, preState);
++  const unpublishedPackagesInfo = await getUnpublishedPackages(packages, preState);
+
+   if (unpublishedPackagesInfo.length === 0) {
+     return [];
+@@ -957,20 +957,27 @@ async function publishAPackage(pkg, access, twoFactorState, tag) {
+   const {
+     name,
+     version,
+-    publishConfig
++    publishConfig,
++    private: isPrivate
+   } = pkg.packageJson;
+   const localAccess = publishConfig === null || publishConfig === void 0 ? void 0 : publishConfig.access;
+-  logger.info(`Publishing ${chalk__default['default'].cyan(`"${name}"`)} at ${chalk__default['default'].green(`"${version}"`)}`);
+-  const publishDir = publishConfig !== null && publishConfig !== void 0 && publishConfig.directory ? path.join(pkg.dir, publishConfig.directory) : pkg.dir;
+-  const publishConfirmation = await publish(name, {
+-    cwd: publishDir,
+-    access: localAccess || access,
+-    tag
+-  }, twoFactorState);
++  let published;
++  if (!isPrivate) {
++    logger.info(`Publishing ${chalk__default['default'].cyan(`"${name}"`)} at ${chalk__default['default'].green(`"${version}"`)}`);
++    const publishDir = publishConfig !== null && publishConfig !== void 0 && publishConfig.directory ? path.join(pkg.dir, publishConfig.directory) : pkg.dir;
++    const publishConfirmation = await publish(name, {
++      cwd: publishDir,
++      access: localAccess || access,
++      tag
++    }, twoFactorState);
++    published = publishConfirmation.published;
++  } else {
++    published = true;
++  }
+   return {
+     name,
+     newVersion: version,
+-    published: publishConfirmation.published
++    published
+   };
+ }
+
+@@ -1140,8 +1147,13 @@ async function tagPublish(tool, packageReleases, cwd) {
+   if (tool !== "root") {
+     for (const pkg of packageReleases) {
+       const tag = `${pkg.name}@${pkg.newVersion}`;
+-      logger.log("New tag: ", tag);
+-      await git.tag(tag, cwd);
++      const allTags = await git.getAllTags(cwd);
++      if (allTags.has(tag)) {
++        logger.log("Skipping existing tag: ", tag);
++      } else {
++        logger.log("New tag: ", tag);
++        await git.tag(tag, cwd);
++      }
+     }
+   } else {
+     const tag = `v${packageReleases[0].newVersion}`;

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\ No newline at end of file

specs/derivation.md

@@ -517,12 +517,14 @@ New frames for timed-out channels are dropped instead of buffered.
 
 The channel-bank can only output data from the first opened channel.
 
-Upon reading, first all timed-out channels are dropped.
+Upon reading, while the first opened channel is timed-out, remove it from the channel-bank.
 
-After pruning timed-out channels, the first remaining channel, if any, is read if it is ready:
+Once the first opened channel, if any, is not timed-out and is ready, then it is read and removed from the channel-bank.
 
-- The channel must be closed
-- The channel must have a contiguous sequence of frames until the closing frame
+A channel is ready if:
+
+- The channel is closed
+- The channel has a contiguous sequence of frames until the closing frame
 
 If no channel is ready, the next frame is read and ingested into the channel bank.
 
@@ -533,12 +535,16 @@ a new channel is opened, tagged with the current L1 block, and appended to the c
 
 Frame insertion conditions:
 
-- New frames matching existing timed-out channels are dropped.
-- Duplicate frames (by frame number) are dropped.
-- Duplicate closes (new frame `is_last == 1`, but the channel has already seen a closing frame) are dropped.
+- New frames matching timed-out channels that have not yet been pruned from the channel-bank are dropped.
+- Duplicate frames (by frame number) for frames that have not yet been pruned from the channel-bank are dropped.
+- Duplicate closes (new frame `is_last == 1`, but the channel has already seen a closing frame and has not yet been
+    pruned from the channel-bank) are dropped.
 
 If a frame is closing (`is_last == 1`) any existing higher-numbered frames are removed from the channel.
 
+Note that while this allows channel IDs to be reused once they have been pruned from the channel-bank, it is recommended
+that batcher implementations use unique channel IDs.
+
 ### Channel Reader (Batch Decoding)
 
 In this stage, we decompress the channel we pull from the last stage, and then parse

specs/overview.md

@@ -48,8 +48,8 @@ mechanisms.
 
 ### L1 Components
 
-- **DepositFeed**: A feed of L2 transactions which originated as smart contract calls in the L1 state.
-  - The `DepositFeed` contract emits `TransactionDeposited` events, which the rollup driver reads in order to process
+- **OptimismPortal**: A feed of L2 transactions which originated as smart contract calls in the L1 state.
+  - The `OptimismPortal` contract emits `TransactionDeposited` events, which the rollup driver reads in order to process
 deposits.
   - Deposits are guaranteed to be reflected in the L2 state within the _sequencing window_.
   - Beware that _transactions_ are deposited, not tokens. However deposited transactions are a key part of implementing
@@ -106,7 +106,7 @@ The below diagram illustrates how the sequencer and verifiers fit together:
 - [Deposits](./deposits.md)
 
 Optimism supports two types of deposits: user deposits, and L1 attributes deposits. To perform a user deposit, users
-call the `depositTransaction` method on the `DepositFeed` contract. This in turn emits `TransactionDeposited` events,
+call the `depositTransaction` method on the `OptimismPortal` contract. This in turn emits `TransactionDeposited` events,
 which the rollup node reads during block derivation.
 
 L1 attributes deposits are used to register L1 block attributes (number, timestamp, etc.) on L2 via a call to the L1
@@ -141,8 +141,8 @@ worth of blocks has passed, i.e. after L1 block number `n + SEQUENCING_WINDOW_SI
 
 Each epoch contains at least one block. Every block in the epoch contains an L1 info transaction which contains
 contextual information about L1 such as the block hash and timestamp. The first block in the epoch also contains all
-deposits initiated via the `DepositFeed` contract on L1. All L2 blocks can also contain _sequenced transactions_, i.e.
-transactions submitted directly to the sequencer.
+deposits initiated via the `OptimismPortal` contract on L1. All L2 blocks can also contain _sequenced transactions_,
+i.e.  transactions submitted directly to the sequencer.
 
 Whenever the sequencer creates a new L2 block for a given epoch, it must submit it to L1 as part of a _batch_, within
 the epoch's sequencing window (i.e. the batch must land before L1 block `n + SEQUENCING_WINDOW_SIZE`). These batches are

specs/withdrawals.md

@@ -130,7 +130,7 @@ recognize that having the same address does not imply that a contract on L2 will
 ## The Optimism Portal Contract
 
 The Optimism Portal serves as both the entry and exit point to the Optimism L2. It is a contract which inherits from
-the [DepositFeed](./deposits.md#deposit-contract) contract, and in addition provides the following interface for
+the [OptimismPortal](./deposits.md#deposit-contract) contract, and in addition provides the following interface for
 withdrawals:
 
 - [`WithdrawalTransaction` type]

yarn.lock

@@ -17871,13 +17871,6 @@ qs@^6.10.3, qs@^6.9.4:
   dependencies:
     side-channel "^1.0.4"
 
-qs@^6.10.5:
-  version "6.10.5"
-  resolved "https://registry.yarnpkg.com/qs/-/qs-6.10.5.tgz#974715920a80ff6a262264acd2c7e6c2a53282b4"
-  integrity sha512-O5RlPh0VFtR78y79rgcgKK4wbAI0C5zGVLztOIdpWX6ep368q5Hv6XRxDvXuZ9q3C6v+e3n8UfZZJw7IIG27eQ==
-  dependencies:
-    side-channel "^1.0.4"
-
 qs@^6.4.0, qs@^6.7.0:
   version "6.10.1"
   resolved "https://registry.yarnpkg.com/qs/-/qs-6.10.1.tgz#4931482fa8d647a5aab799c5271d2133b981fb6a"