Merge branch 'develop' into fpvm-status

.circleci/config.yml

@@ -1142,7 +1142,7 @@ workflows:
           working_directory: proxyd
       - indexer-tests
       - go-lint-test-build:
-          name: op-heartbeat tests
+          name: op-heartbeat-tests
           binary_name: op-heartbeat
           working_directory: op-heartbeat
       - semgrep-scan
@@ -1224,7 +1224,11 @@ workflows:
           target: test-external-geth
       - bedrock-go-tests:
           requires:
+            - go-mod-tidy
+            - cannon-build-test-vectors
             - cannon-go-lint-and-test
+            - check-generated-mocks-op-node
+            - check-generated-mocks-op-service
             - op-batcher-lint
             - op-bootnode-lint
             - op-bindings-lint
@@ -1238,6 +1242,7 @@ workflows:
             - op-batcher-tests
             - op-bindings-tests
             - op-chain-ops-tests
+            - op-heartbeat-tests
             - op-node-tests
             - op-proposer-tests
             - op-challenger-tests
@@ -1245,6 +1250,7 @@ workflows:
             - op-service-tests
             - op-e2e-WS-tests
             - op-e2e-HTTP-tests
+            - op-e2e-ext-geth-tests
       - docker-build:
           name: op-node-docker-build
           docker_file: op-node/Dockerfile

README.md

@@ -57,6 +57,7 @@ Refer to the Directory Structure section below to understand which packages are
 ├── <a href="./op-exporter">op-exporter</a>: Prometheus exporter client
 ├── <a href="./op-heartbeat">op-heartbeat</a>: Heartbeat monitor service
 ├── <a href="./op-node">op-node</a>: rollup consensus-layer client
+├── <a href="./op-preimage">op-preimage</a>: Go bindings for Preimage Oracle
 ├── <a href="./op-program">op-program</a>: Fault proof program
 ├── <a href="./op-proposer">op-proposer</a>: L2-Output Submitter, submits proposals to L1
 ├── <a href="./op-service">op-service</a>: Common codebase utilities

codecov.yml

-comment:
-  layout: "reach, diff, flags, files"
-  behavior: default
-  require_changes: true    # only post the comment if coverage changes
+comment: false
 ignore:
   - "op-e2e"
   - "**/*.t.sol"

docs/README.md

@@ -6,3 +6,4 @@ The directory layout is divided into the following sub-directories.
 
 - [`postmortems/`](./postmortems/): Timestamped post-mortem documents.
 - [`security-reviews`](./security-reviews/): Audit summaries and other security review documents.
+- [`fault-proof-alpha`](./fault-proof-alpha): Information on the alpha version of the fault proof system.

docs/fault-proof-alpha/README.md

+## Fault Proofs Alpha
+
+The fault proof alpha is a pre-release version of the OP Stack fault proof system.
+This documentation provides an overview of the system and instructions on how to help
+test the fault proof system.
+
+The overall design of this system along with the APIs and interfaces it exposes are not
+finalized and may change without notice.
+
+### Contents
+
+ * Overview
+ * [Deployment Details](./deployments.md)
+ * [Manual Usage](./manual.md)
+   * [Creating Traces with Cannon](./cannon.md)
+ * [Automation with `op-challenger`](./run-challenger.md)

docs/fault-proof-alpha/cannon.md

+## Generate Traces with `cannon` and `op-program`
+
+Normally, `op-challenger` handles creating the required traces as part of responding to games. However, for manual
+testing it may be useful to manually generate the trace. This can be done by running `cannon` directly.
+
+### Prerequisites
+
+- The cannon pre-state downloaded from [Goerli deployment](./deployments.md#goerli).
+- A Goerli L1 node.
+    - An archive node is not required.
+    - Public RPC providers can be used, however a significant number of requests will need to be made which may exceed
+      rate limits for free plans.
+- An OP-Goerli L2 archive node with `debug` APIs enabled.
+    - An archive node is required to ensure world-state pre-images remain available.
+    - Public RPC providers are generally not usable as they don’t support the `debug_dbGet` RPC method.
+
+### Compilation
+
+To compile the required programs, in the top level of the monorepo run:
+
+```bash
+make cannon-prestate
+```
+
+This will compile the `cannon` executable to `cannon/bin/cannon` as well as the `op-program` executable used to fetch
+pre-image data to `op-program/bin/op-program`.
+
+### Run Cannon
+
+To run cannon to generate a proof use:
+
+```bash
+mkdir -p temp/cannon/proofs temp/cannon/snapshots temp/cannon/preimages
+
+./cannon/bin/cannon run \
+    --pprof.cpu \
+    --info-at '%10000000' \
+    --proof-at '=<TRACE_INDEX>' \
+    --stop-at '=<STOP_INDEX>' \
+    --proof-fmt 'temp/cannon/proofs/%d.json' \
+    --snapshot-at '%1000000000' \
+    --snapshot-fmt 'temp/cannon/snapshots/%d.json.gz' \
+    --input <PRESTATE> \
+    --output temp/cannon/stop-state.json \
+    -- \
+    ./op-program/bin/op-program \
+    --network goerli \
+    --l1 <L1_URL> \
+    --l2 <L2_URL> \
+    --l1.head <L1_HEAD> \
+    --l2.claim <L2_CLAIM> \
+    --l2.head <L2_HEAD> \
+    --l2.blocknumber <L2_BLOCK_NUMBER> \
+    --datadir temp/cannon/preimages \
+    --log.format terminal \
+    --server
+```
+
+The placeholders are:
+
+- `<TRACE_INDEX>` the index in the trace to generate a proof for
+- `<STOP_INDEX>` the index to stop execution at. Typically this is one instruction after `<TRACE_INDEX>` to stop as soon
+  as the required proof has been generated.
+- `<PRESTATE>` the prestate.json downloaded above. Note that this needs to precisely match the prestate used on-chain so
+  must be the downloaded version and not a version built locally.
+- `<L1_URL>` the Goerli L1 JSON RPC endpoint
+- `<L2_URL>` the OP-Goerli L2 archive node JSON RPC endpoint
+- `<L1_HEAD>` the hash of the L1 head block used for the dispute game
+- `<L2_CLAIM>` the output root immediately prior to the disputed root in the L2 output oracle
+- `<L2_HEAD>` the hash of the L2 block that `<L2_CLAIM>`is from
+- `<L2_BLOCK_NUMBER>` the block number that `<L2_CLAIM>` is from
+
+The generated proof will be stored in the `temp/cannon/proofs/` directory. The hash to use as the claim value is
+the `post` field of the generated proof which provides the hash of the cannon state witness after execution of the step.
+
+Since cannon can be very slow to execute, the above command uses the `--snapshot-at` option to generate a snapshot of
+the cannon state every 1000000000 instructions. Once generated, these snapshots can be used as the `--input` to begin
+execution at that step rather than from the very beginning. Generated snapshots are stored in
+the `temp/cannon/snapshots` directory.
+
+See `./cannon/bin/cannon --help` for further information on the options available.
+
+### Trace Extension
+
+Fault dispute games always use a trace with a fixed length of `2 ^ MAX_GAME_DEPTH`. The trace generated by `cannon`
+stops when the client program exits, so this trace must be extended by repeating the hash of the final state in the
+actual trace for all remaining steps. Cannon does not perform this trace extension automatically.
+
+If cannon stops execution before the trace index you requested a proof at, it simply will not generate a proof. When it
+stops executing, it will write its final state to `temp/cannon/stop-state.json` (controlled by the `--output` option).
+The `step` field of this state contains the last step cannon executed. Once the final step is known, rerun cannon to
+generate the proof at that final step and use the `post` hash as the claim value for all later trace indices.

docs/fault-proof-alpha/deployments.md

+## Fault Proof Alpha Deployment Information
+
+### Goerli
+
+Information on the fault proofs alpha deployment to Goerli is not yet available.
+
+### Local Devnet
+
+The local devnet includes a deployment of the fault proof alpha. To start the devnet, in the top level of this repo,
+run:
+
+```bash
+make devnet-up
+```
+
+| Input                | Value                                                       |
+|----------------------|-------------------------------------------------------------|
+| Dispute Game Factory | Run `jq -r .DisputeGameFactoryProxy .devnet/addresses.json` |
+| Absolute Prestate    | `op-program/bin/prestate.json`                              |
+| Max Depth            | 30                                                          |
+| Max Game Duration    | 1200 (20 minutes)                                           |
+
+See the [op-challenger README](../../op-challenger#running-with-cannon-on-local-devnet) for information on
+running `op-challenger` against the local devnet.

docs/fault-proof-alpha/manual.md

+## Manual Fault Proof Interactions
+
+### Creating a Game
+
+The process of disputing an output root starts by creating a new dispute game. There are conceptually three key inputs
+required for a dispute game:
+
+- The output root being disputed
+- The agreed output root the derivation process will start from
+- The L1 head block that defines the canonical L1 chain containing all required batch data to perform the derivation
+
+The creator of the game selects the output root to dispute. It is identified by its L2 block number which can be used to
+look up the full details in the L2 output oracle.
+
+The agreed output root is defined as the output root immediately prior to the disputed output root in the L2 output
+oracle. Therefore, a dispute game should only be created for the first invalid output root. If it is successfully
+disputed, all output roots after it are considered invalid by inference.
+
+The L1 head block can be any L1 block where the disputed output root is present in the L2 output oracle. Proposers
+should therefore ensure that all batch data has been submitted to L1 before submitting a proposal. The L1 head block is
+recorded in the `BlockOracle` and then referenced by its block number.
+
+Creating a game requires two separate transactions. First the L1 head block is recorded in the `BlockOracle` by calling
+its `checkpoint` function. This records the parent of the block the transaction is included in. The `BlockOracle` emits
+a log `Checkpoint(blockNumber, blockHash, childTimestamp)`.
+
+Now, using the L1 head along with output root info available in the L2 output oracle, cannon can be executed to
+determine the root claim to use when creating the game. In simple cases, where the claim is expected to be incorrect, an
+arbitrary hash can be used for claim values. For more advanced cases [cannon can be used](./cannon.md) to generate a
+trace, including the claim values to use at specific steps. Note that it is not valid to create a game that disputes an
+output root, using the final hash from a trace that confirms the output root is valid. To dispute an output root
+successfully, the trace must resolve that the disputed output root is invalid.
+
+The game can then be created by calling the `create` method on the `DisputeGameFactory` contract. This requires three
+parameters:
+
+- `gameType` - a `uint8` representing the type of game to create. For fault dispute games using cannon and op-program
+  traces, the game type is 0.
+- `rootClaim` - a `bytes32` hash of the final state from the trace.
+- `extraData` - arbitrary bytes which are used as the initial inputs for the game. For fault dispute games using cannon
+  and op-program traces, this is the abi encoding of `(uint256(l2_block_number), uint256(l1_checkpoint))`.
+    - `l2_block_number` is the L2 block number from the output root being disputed
+    - `l1_checkpoint` is the L1 block number recorded by the `BlockOracle` checkpoint
+
+This emits a log event `DisputeGameCreated(gameAddress, gameType, rootClaim)` where `gameAddress` is the address of the
+newly created dispute game.
+
+The helper script, [create_game.sh](../../op-challenger#create_gamesh) can be used to easily create a new dispute
+game and also acts as an example of using `cast` to manually create a game.
+
+### Performing Moves
+
+The dispute game progresses by actors countering existing claims via either the `attack` or `defend` methods in
+the `FaultDisputeGame` contract. Note that only `attack` can be used to counter the root claim. In both cases, there are
+two inputs required:
+
+- `parentIndex` - the index in the claims array of the parent claim that is being countered.
+- `claim` - a `bytes32` hash of the state at the trace index corresponding to the new claim’s position.
+
+The helper script, [move.sh](../../op-challenger#movesh), can be used to easily perform moves and also
+acts as an example of using `cast` to manually call `attack` and `defend`.
+
+### Performing Steps
+
+Attacking or defending are teh only available actions before the maximum depth of the game is reached. To counter claims
+at the maximum depth, a step must be performed instead. Calling the `step` method in the `FaultDisputeGame` contract
+counters a claim at the maximum depth by running a single step of the cannon VM on chain. The `step` method will revert
+unless the cannon execution confirms the claim being countered is invalid. Note, if an actor's clock runs out at any
+point, the game can be [resolved](#resolving-a-game).
+
+The inputs for step are:
+
+- `claimIndex` - the index in the claims array of the claim that is being countered
+- `isAttack` - Similar to regular moves, steps can either be attacking or defending
+- `stateData` - the full cannon state witness to use as the starting state for execution
+- `proof` - the additional proof data for the state witness required by cannon to perform the step
+
+When a step is attacking, the caller is asserting that the claim at `claimIndex` is incorrect, and the claim for
+the previous trace index (made at a previous level in the game) was correct. The `stateData` must be the pre-image for
+the agreed correct hash at the previous trace index. The call to `step` will revert if the post-state from cannon
+matches the claim at `claimIndex` since the on-chain execution has proven the claim correct and it should not be
+countered.
+
+When a step is defending, the caller is asserting that the claim at `claimIndex` is correct, and the claim for
+the next trace index (made at a previous level in the game) is incorrect. The `stateData` must be the pre-image for the
+hash in the claim at `claimIndex`.
+
+The `step` function will revert with `ValidStep()` if the cannon execution proves that the claim attempting to be
+countered is correct. As a result, claims at the maximum game depth can only be countered by a valid execution of the
+single instruction in cannon running on-chain.
+
+#### Populating the Pre-image Oracle
+
+When the instruction to be executed as part of a `step` call reads from some pre-image data, that data must be loaded
+into the pre-image oracle prior to calling `step`.
+For [local pre-image keys](../../specs/fault-proof.md#type-1-local-key), the pre-image must be populated via
+the `FaultDisputeGame` contract by calling the `addLocalData` function.
+For [global keccak256 keys](../../specs/fault-proof.md#type-2-global-keccak256-key), the data should be added directly
+to the pre-image oracle contract.
+
+### Resolving a Game
+
+The final action required for a game is to resolve it by calling the `resolve` method in the `FaultDisputeGame`
+contract. This can only be done once the clock of the left-most uncontested claim’s parent has expired. A game can only
+be resolved once.
+
+There are no inputs required for the `resolve` method. When successful, a log event is emitted with the game’s final
+status.
+
+The helper script, [resolve.sh](../../op-challenger#resolvesh), can be used to easily resolve a game and also acts as an
+example of using `cast` to manually call `resolve` and understand the result.

docs/fault-proof-alpha/run-challenger.md

+## Running op-challenger
+
+`op-challenger` is a program that implements the honest actor algorithm to automatically “play” the dispute games.
+
+### Prerequisites
+
+- The cannon pre-state downloaded from [Goerli deployment](./deployments.md#goerli).
+- An account on the Goerli testnet with funds available. The amount of GöETH required depends on the number of claims
+  the challenger needs to post, but 0.01 ETH should be plenty to start.
+- A Goerli L1 node.
+    - An archive node is not required.
+    - Public RPC providers can be used, however a significant number of requests will need to be made which may exceed
+      rate limits for free plans.
+- An OP-Goerli L2 archive node with `debug` APIs enabled.
+    - An archive node is required to ensure world-state pre-images remain available.
+    - Public RPC providers are generally not usable as they don’t support the `debug_dbGet` RPC method.
+- Approximately 3.5Gb of disk space for each game being played.
+
+### Starting op-challenger
+
+When executing `op-challenger`, there are a few placeholders that need to be set to concreate values:
+
+- `<L1_URL>` the Goerli L1 JSON RPC endpoint
+- `<DISPUTE_GAME_FACTORY_ADDRESS>` the address of the dispute game factory contract (see
+  the [Goerli deployment details](./deployments.md#goerli))
+- `<PRESTATE>` the prestate.json downloaded above. Note that this needs to precisely match the prestate used on-chain so
+  must be the downloaded version and not a version built locally (see the [Goerli deployment details](./deployments.md#goerli))
+- `<L2_URL>` the OP-Goerli L2 archive node JSON RPC endpoint
+- `<PRIVATE_KEY>` the private key for a funded Goerli account. For other ways to specify the account to use
+  see `./op-challenger/bin/op-challenger --help`
+
+From inside the monorepo directory, run the challenger with these placeholders set.
+
+```bash
+# Build the required components
+make op-challenger op-program cannon
+
+# Run op-challenger
+./op-challenger/bin/op-challenger \
+  --trace-type cannon \
+  --l1-eth-rpc <L1_URL> \
+  --game-factory-address <DISPUTE_GAME_FACTORY_ADDRESS> \
+  --agree-with-proposed-output=true \
+  --datadir temp/challenger-goerli \
+  --cannon-network goerli \
+  --cannon-bin ./cannon/bin/cannon \
+  --cannon-server ./op-program/bin/op-program \
+  --cannon-prestate <PRESTATE> \
+  --cannon-l2 <L2_URL> \
+  --private-key <PRIVATE_KEY>
+```
+
+
+### Restricting Games to Play
+
+By default `op-challenger` will generate traces and respond to any game created by the dispute game factory contract. On
+a public testnet like Goerli, that could be a large number of games, requiring significant CPU and disk resources. To
+avoid this, `op-challenger` supports specifying an allowlist of games for it to respond to with the `--game-allowlist`
+option.
+
+```bash
+./op-challenger/bin/op-challenger \
+  ... \
+  --game-allowlist <GAME_ADDR> <GAME_ADDR> <GAME_ADDR>...
+```

endpoint-monitor/Dockerfile

@@ -2,18 +2,21 @@ FROM golang:1.20.7-alpine3.18 as builder
 
 RUN apk --no-cache add make jq bash git alpine-sdk
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 COPY ./endpoint-monitor /app/endpoint-monitor
 COPY ./op-service /app/op-service
 COPY ./op-node /app/op-node
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 
 COPY ./.git /app/.git
 
 WORKDIR /app/endpoint-monitor
 
-RUN go mod download
-
 RUN make build
 
 FROM alpine:3.18

indexer/Dockerfile

@@ -2,18 +2,21 @@ FROM --platform=$BUILDPLATFORM golang:1.20.7-alpine3.18 as builder
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 # build indexer with the shared go.mod & go.sum files
 COPY ./indexer /app/indexer
 COPY ./op-bindings /app/op-bindings
 COPY ./op-service /app/op-service
 COPY ./op-node /app/op-node
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 
 WORKDIR /app/indexer
 
-RUN go mod download
-
 RUN make indexer
 
 FROM alpine:3.18

indexer/api/api.go

@@ -4,42 +4,114 @@ import (
 	"context"
 	"fmt"
 	"net/http"
+	"runtime/debug"
+	"sync"
 
 	"github.com/ethereum-optimism/optimism/indexer/api/routes"
+	"github.com/ethereum-optimism/optimism/indexer/config"
 	"github.com/ethereum-optimism/optimism/indexer/database"
 	"github.com/ethereum-optimism/optimism/op-service/httputil"
+	"github.com/ethereum-optimism/optimism/op-service/metrics"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/go-chi/chi/v5"
 	"github.com/go-chi/chi/v5/middleware"
+	"github.com/prometheus/client_golang/prometheus"
 )
 
 const ethereumAddressRegex = `^0x[a-fA-F0-9]{40}$`
 
 type Api struct {
-	log    log.Logger
-	Router *chi.Mux
+	log             log.Logger
+	Router          *chi.Mux
+	serverConfig    config.ServerConfig
+	metricsConfig   config.ServerConfig
+	metricsRegistry *prometheus.Registry
 }
 
-func NewApi(logger log.Logger, bv database.BridgeTransfersView) *Api {
-	r := chi.NewRouter()
-	h := routes.NewRoutes(logger, bv, r)
+const (
+	MetricsNamespace = "op_indexer"
+)
+
+func chiMetricsMiddleware(rec metrics.HTTPRecorder) func(http.Handler) http.Handler {
+	return func(next http.Handler) http.Handler {
+		return metrics.NewHTTPRecordingMiddleware(rec, next)
+	}
+}
+
+func NewApi(logger log.Logger, bv database.BridgeTransfersView, serverConfig config.ServerConfig, metricsConfig config.ServerConfig) *Api {
+	apiRouter := chi.NewRouter()
+	h := routes.NewRoutes(logger, bv, apiRouter)
+
+	mr := metrics.NewRegistry()
+	promRecorder := metrics.NewPromHTTPRecorder(mr, MetricsNamespace)
+
+	apiRouter.Use(chiMetricsMiddleware(promRecorder))
+	apiRouter.Use(middleware.Recoverer)
+	apiRouter.Use(middleware.Heartbeat("/healthz"))
+
+	apiRouter.Get(fmt.Sprintf("/api/v0/deposits/{address:%s}", ethereumAddressRegex), h.L1DepositsHandler)
+	apiRouter.Get(fmt.Sprintf("/api/v0/withdrawals/{address:%s}", ethereumAddressRegex), h.L2WithdrawalsHandler)
+
+	return &Api{log: logger, Router: apiRouter, metricsRegistry: mr, serverConfig: serverConfig, metricsConfig: metricsConfig}
+}
+
+func (a *Api) Start(ctx context.Context) error {
+	var wg sync.WaitGroup
+	errCh := make(chan error, 2)
+
+	processCtx, processCancel := context.WithCancel(ctx)
+	runProcess := func(start func(ctx context.Context) error) {
+		wg.Add(1)
+		go func() {
+			defer func() {
+				if err := recover(); err != nil {
+					a.log.Error("halting api on panic", "err", err)
+					debug.PrintStack()
+					errCh <- fmt.Errorf("panic: %v", err)
+				}
+
+				processCancel()
+				wg.Done()
+			}()
 
-	r.Use(middleware.Heartbeat("/healthz"))
+			errCh <- start(processCtx)
+		}()
+	}
+
+	runProcess(a.startServer)
+	runProcess(a.startMetricsServer)
+
+	wg.Wait()
+
+	err := <-errCh
+	if err != nil {
+		a.log.Error("api stopped", "err", err)
+	} else {
+		a.log.Info("api stopped")
+	}
 
-	r.Get(fmt.Sprintf("/api/v0/deposits/{address:%s}", ethereumAddressRegex), h.L1DepositsHandler)
-	r.Get(fmt.Sprintf("/api/v0/withdrawals/{address:%s}", ethereumAddressRegex), h.L2WithdrawalsHandler)
-	return &Api{log: logger, Router: r}
+	return err
 }
 
-func (a *Api) Listen(ctx context.Context, port int) error {
-	a.log.Info("api server listening...", "port", port)
-	server := http.Server{Addr: fmt.Sprintf(":%d", port), Handler: a.Router}
+func (a *Api) startServer(ctx context.Context) error {
+	a.log.Info("api server listening...", "port", a.serverConfig.Port)
+	server := http.Server{Addr: fmt.Sprintf(":%d", a.serverConfig.Port), Handler: a.Router}
 	err := httputil.ListenAndServeContext(ctx, &server)
 	if err != nil {
 		a.log.Error("api server stopped", "err", err)
 	} else {
 		a.log.Info("api server stopped")
 	}
+	return err
+}
 
+func (a *Api) startMetricsServer(ctx context.Context) error {
+	a.log.Info("starting metrics server...", "port", a.metricsConfig.Port)
+	err := metrics.ListenAndServe(ctx, a.metricsRegistry, a.metricsConfig.Host, a.metricsConfig.Port)
+	if err != nil {
+		a.log.Error("metrics server stopped", "err", err)
+	} else {
+		a.log.Info("metrics server stopped")
+	}
 	return err
 }

indexer/api/api_test.go

@@ -6,6 +6,7 @@ import (
 	"net/http/httptest"
 	"testing"
 
+	"github.com/ethereum-optimism/optimism/indexer/config"
 	"github.com/ethereum-optimism/optimism/indexer/database"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
@@ -18,6 +19,15 @@ type MockBridgeTransfersView struct{}
 
 var mockAddress = "0x4204204204204204204204204204204204204204"
 
+var apiConfig = config.ServerConfig{
+	Host: "localhost",
+	Port: 8080,
+}
+var metricsConfig = config.ServerConfig{
+	Host: "localhost",
+	Port: 7300,
+}
+
 var (
 	deposit = database.L1BridgeDeposit{
 		TransactionSourceHash: common.HexToHash("abc"),
@@ -77,7 +87,7 @@ func (mbv *MockBridgeTransfersView) L2BridgeWithdrawalsByAddress(address common.
 }
 func TestHealthz(t *testing.T) {
 	logger := testlog.Logger(t, log.LvlInfo)
-	api := NewApi(logger, &MockBridgeTransfersView{})
+	api := NewApi(logger, &MockBridgeTransfersView{}, apiConfig, metricsConfig)
 	request, err := http.NewRequest("GET", "/healthz", nil)
 	assert.Nil(t, err)
 
@@ -89,7 +99,7 @@ func TestHealthz(t *testing.T) {
 
 func TestL1BridgeDepositsHandler(t *testing.T) {
 	logger := testlog.Logger(t, log.LvlInfo)
-	api := NewApi(logger, &MockBridgeTransfersView{})
+	api := NewApi(logger, &MockBridgeTransfersView{}, apiConfig, metricsConfig)
 	request, err := http.NewRequest("GET", fmt.Sprintf("/api/v0/deposits/%s", mockAddress), nil)
 	assert.Nil(t, err)
 
@@ -101,7 +111,7 @@ func TestL1BridgeDepositsHandler(t *testing.T) {
 
 func TestL2BridgeWithdrawalsByAddressHandler(t *testing.T) {
 	logger := testlog.Logger(t, log.LvlInfo)
-	api := NewApi(logger, &MockBridgeTransfersView{})
+	api := NewApi(logger, &MockBridgeTransfersView{}, apiConfig, metricsConfig)
 	request, err := http.NewRequest("GET", fmt.Sprintf("/api/v0/withdrawals/%s", mockAddress), nil)
 	assert.Nil(t, err)
 

indexer/cmd/indexer/cli.go

@@ -62,8 +62,8 @@ func runApi(ctx *cli.Context) error {
 	}
 	defer db.Close()
 
-	api := api.NewApi(log, db.BridgeTransfers)
-	return api.Listen(ctx.Context, cfg.HTTPServer.Port)
+	api := api.NewApi(log, db.BridgeTransfers, cfg.HTTPServer, cfg.MetricsServer)
+	return api.Start(ctx.Context)
 }
 
 func runAll(ctx *cli.Context) error {

indexer/database/blocks.go

@@ -233,7 +233,7 @@ func (db *blocksDB) LatestEpoch() (*Epoch, error) {
 	// L2 for a faster query. Per the protocol, the L2 block that starts a new epoch
 	// will have a matching timestamp with the L1 origin.
 	query := db.gorm.Table("l1_block_headers").Order("l1_block_headers.timestamp DESC")
-	query = query.Joins("INNER JOIN l2_block_headers ON l1_block_headers.timestamp = l2_block_headers.timestamp")
+	query = query.Joins("INNER JOIN l2_block_headers ON l2_block_headers.timestamp = l1_block_headers.timestamp")
 	query = query.Select("*")
 
 	var epoch Epoch

indexer/database/bridge_transactions.go

@@ -47,7 +47,10 @@ type L2TransactionWithdrawal struct {
 
 type BridgeTransactionsView interface {
 	L1TransactionDeposit(common.Hash) (*L1TransactionDeposit, error)
+	L1LatestBlockHeader() (*L1BlockHeader, error)
+
 	L2TransactionWithdrawal(common.Hash) (*L2TransactionWithdrawal, error)
+	L2LatestBlockHeader() (*L2BlockHeader, error)
 }
 
 type BridgeTransactionsDB interface {
@@ -94,6 +97,37 @@ func (db *bridgeTransactionsDB) L1TransactionDeposit(sourceHash common.Hash) (*L
 	return &deposit, nil
 }
 
+func (db *bridgeTransactionsDB) L1LatestBlockHeader() (*L1BlockHeader, error) {
+	// Markers for an indexed bridge event
+	// L1: Latest Transaction Deposit, Latest Proven/Finalized Withdrawal
+	l1DepositQuery := db.gorm.Table("l1_transaction_deposits").Order("l1_transaction_deposits.timestamp DESC").Limit(1)
+	l1DepositQuery = l1DepositQuery.Joins("INNER JOIN l1_contract_events ON l1_contract_events.guid = l1_transaction_deposits.initiated_l1_event_guid")
+	l1DepositQuery = l1DepositQuery.Select("l1_contract_events.*")
+
+	l1ProvenQuery := db.gorm.Table("l2_transaction_withdrawals")
+	l1ProvenQuery = l1ProvenQuery.Joins("INNER JOIN l1_contract_events ON l1_contract_events.guid = l2_transaction_withdrawals.proven_l1_event_guid")
+	l1ProvenQuery = l1ProvenQuery.Order("l1_contract_events.timestamp DESC").Select("l1_contract_events.*").Limit(1)
+
+	l1FinalizedQuery := db.gorm.Table("l2_transaction_withdrawals")
+	l1FinalizedQuery = l1FinalizedQuery.Joins("INNER JOIN l1_contract_events ON l1_contract_events.guid = l2_transaction_withdrawals.proven_l1_event_guid")
+	l1FinalizedQuery = l1FinalizedQuery.Order("l1_contract_events.timestamp DESC").Select("l1_contract_events.*").Limit(1)
+
+	l1Query := db.gorm.Table("((?) UNION (?) UNION (?)) AS latest_bridge_events", l1DepositQuery.Limit(1), l1ProvenQuery, l1FinalizedQuery)
+	l1Query = l1Query.Joins("INNER JOIN l1_block_headers ON l1_block_headers.hash = latest_bridge_events.block_hash")
+	l1Query = l1Query.Order("l1_block_headers.number DESC").Select("l1_block_headers.*")
+
+	var l1Header L1BlockHeader
+	result := l1Query.Take(&l1Header)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, result.Error
+	}
+
+	return &l1Header, nil
+}
+
 /**
  * Transactions withdrawn from L2
  */
@@ -149,3 +183,25 @@ func (db *bridgeTransactionsDB) MarkL2TransactionWithdrawalFinalizedEvent(withdr
 	result := db.gorm.Save(&withdrawal)
 	return result.Error
 }
+
+func (db *bridgeTransactionsDB) L2LatestBlockHeader() (*L2BlockHeader, error) {
+	// L2: Inclusion of the latest deposit
+	l1DepositQuery := db.gorm.Table("l1_transaction_deposits").Order("l1_transaction_deposits.timestamp DESC")
+	l1DepositQuery = l1DepositQuery.Joins("INNER JOIN l1_contract_events ON l1_contract_events.guid = l1_transaction_deposits.initiated_l1_event_guid")
+	l1DepositQuery = l1DepositQuery.Select("l1_contract_events.*")
+
+	l2Query := db.gorm.Table("(?) AS l1_deposit_events", l1DepositQuery)
+	l2Query = l2Query.Joins("INNER JOIN l2_block_headers ON l2_block_headers.timestamp = l1_deposit_events.timestamp")
+	l2Query = l2Query.Order("l2_block_headers.timestamp DESC").Select("l2_block_headers.*")
+
+	var l2Header L2BlockHeader
+	result := l2Query.Take(&l2Header)
+	if result.Error != nil {
+		if errors.Is(result.Error, gorm.ErrRecordNotFound) {
+			return nil, nil
+		}
+		return nil, result.Error
+	}
+
+	return &l2Header, nil
+}

indexer/etl/l1_etl.go

@@ -44,7 +44,7 @@ func NewL1ETL(cfg Config, log log.Logger, db *database.DB, metrics Metricer, cli
 		fromHeader = latestHeader.RLPHeader.Header()
 
 	} else if cfg.StartHeight.BitLen() > 0 {
-		log.Info("no indexed state in storage, starting from supplied L1 height", "height", cfg.StartHeight.String())
+		log.Info("no indexed state starting from supplied L1 height", "height", cfg.StartHeight.String())
 		header, err := client.BlockHeaderByNumber(cfg.StartHeight)
 		if err != nil {
 			return nil, fmt.Errorf("could not fetch starting block header: %w", err)
@@ -53,7 +53,7 @@ func NewL1ETL(cfg Config, log log.Logger, db *database.DB, metrics Metricer, cli
 		fromHeader = header
 
 	} else {
-		log.Info("no indexed state in storage, starting from L1 genesis")
+		log.Info("no indexed state, starting from genesis")
 	}
 
 	// NOTE - The use of un-buffered channel here assumes that downstream consumers

indexer/indexer.toml

@@ -22,11 +22,15 @@ l1-rpc = "${INDEXER_RPC_URL_L1}"
 l2-rpc = "${INDEXER_RPC_URL_L2}"
 
 [db]
-host = "postgres"
-port = 5432
-user = "db_username"
-password = "db_password"
-name = "db_name"
+host = "$INDEXER_DB_HOST"
+# this port may be problematic once we depoly
+# the DATABASE_URL looks like this for previous services and didn't include a port
+# DATABASE_URL="postgresql://${INDEXER_DB_USER}:${INDEXER_DB_PASS}@localhost/${INDEXER_DB_NAME}?host=${INDEXER_DB_HOST}"
+# If not problematic delete these comments
+port = $INDEXER_DB_PORT
+user = "$INDEXER_DB_USER"
+password = "$INDEXER_DB_PASS"
+name = "$INDEXER_DB_NAME"
 
 [http]
 host = "127.0.0.1"

indexer/processors/bridge.go

@@ -29,35 +29,32 @@ type BridgeProcessor struct {
 func NewBridgeProcessor(log log.Logger, db *database.DB, l1Etl *etl.L1ETL, chainConfig config.ChainConfig) (*BridgeProcessor, error) {
 	log = log.New("processor", "bridge")
 
-	latestL1Header, err := bridge.L1LatestBridgeEventHeader(db, chainConfig)
+	latestL1Header, err := db.BridgeTransactions.L1LatestBlockHeader()
 	if err != nil {
 		return nil, err
 	}
-	latestL2Header, err := bridge.L2LatestBridgeEventHeader(db)
+	latestL2Header, err := db.BridgeTransactions.L2LatestBlockHeader()
 	if err != nil {
 		return nil, err
 	}
 
-	// Since the bridge processor indexes events based on epochs, there's
-	// no scenario in which we have indexed L2 data with no L1 data.
-	//
-	// NOTE: Technically there is an exception if our bridging contracts are
-	// used to bridges native from L2 and an op-chain happens to launch where
-	// only L2 native bridge events have occurred. This is a rare situation now
-	// and it's worth the assertion as an integrity check. We can revisit this
-	// as more chains launch with primarily L2-native activity.
-	if latestL1Header == nil && latestL2Header != nil {
-		log.Error("detected indexed L2 bridge activity with no indexed L1 state", "l2_block_number", latestL2Header.Number)
-		return nil, errors.New("detected indexed L2 bridge activity with no indexed L1 state")
-	}
-
+	var l1Header, l2Header *types.Header
 	if latestL1Header == nil && latestL2Header == nil {
-		log.Info("no indexed state, starting from genesis")
+		log.Info("no indexed state, starting from rollup genesis")
 	} else {
-		log.Info("detected the latest indexed state", "l1_block_number", latestL1Header.Number, "l2_block_number", latestL2Header.Number)
+		l1Height, l2Height := big.NewInt(0), big.NewInt(0)
+		if latestL1Header != nil {
+			l1Height = latestL1Header.Number
+			l1Header = latestL1Header.RLPHeader.Header()
+		}
+		if latestL2Header != nil {
+			l2Height = latestL2Header.Number
+			l2Header = latestL2Header.RLPHeader.Header()
+		}
+		log.Info("detected latest indexed state", "l1_block_number", l1Height, "l2_block_number", l2Height)
 	}
 
-	return &BridgeProcessor{log, db, l1Etl, chainConfig, latestL1Header, latestL2Header}, nil
+	return &BridgeProcessor{log, db, l1Etl, chainConfig, l1Header, l2Header}, nil
 }
 
 func (b *BridgeProcessor) Start(ctx context.Context) error {
@@ -83,29 +80,40 @@ func (b *BridgeProcessor) Start(ctx context.Context) error {
 			latestEpoch, err := b.db.Blocks.LatestEpoch()
 			if err != nil {
 				return err
-			}
-			if latestEpoch == nil {
-				if b.LatestL1Header != nil {
-					// Once we have some state `latestEpoch` should never return nil.
-					b.log.Error("started with indexed bridge state, but no latest epoch returned", "latest_bridge_l1_block_number", b.LatestL1Header.Number)
-					return errors.New("started with indexed bridge state, but no blocks epochs returned")
-				} else {
-					b.log.Warn("no indexed epochs. waiting...")
-					continue
+			} else if latestEpoch == nil {
+				if b.LatestL1Header != nil || b.LatestL2Header != nil {
+					// Once we have some indexed state `latestEpoch` can never return nil
+					b.log.Error("bridge events indexed, but no indexed epoch returned", "latest_bridge_l1_block_number", b.LatestL1Header.Number)
+					return errors.New("bridge events indexed, but no indexed epoch returned")
 				}
+
+				b.log.Warn("no indexed epochs available. waiting...")
+				continue
 			}
 
+			// Integrity Checks
+
 			if b.LatestL1Header != nil && latestEpoch.L1BlockHeader.Hash == b.LatestL1Header.Hash() {
-				// Marked as a warning since the bridge should always be processing at least 1 new epoch
-				b.log.Warn("all available epochs indexed by the bridge", "latest_epoch_number", b.LatestL1Header.Number)
+				b.log.Warn("all available epochs indexed", "latest_bridge_l1_block_number", b.LatestL1Header.Number)
 				continue
 			}
+			if b.LatestL1Header != nil && latestEpoch.L1BlockHeader.Number.Cmp(b.LatestL1Header.Number) <= 0 {
+				b.log.Error("non-increasing l1 block height observed", "latest_bridge_l1_block_number", b.LatestL1Header.Number, "latest_epoch_number", latestEpoch.L1BlockHeader.Number)
+				return errors.New("non-increasing l1 block heght observed")
+			}
+			if b.LatestL2Header != nil && latestEpoch.L2BlockHeader.Number.Cmp(b.LatestL2Header.Number) <= 0 {
+				b.log.Error("non-increasing l2 block height observed", "latest_bridge_l2_block_number", b.LatestL2Header.Number, "latest_epoch_number", latestEpoch.L2BlockHeader.Number)
+				return errors.New("non-increasing l2 block heght observed")
+			}
+
+			// Process Bridge Events
 
 			toL1Height, toL2Height := latestEpoch.L1BlockHeader.Number, latestEpoch.L2BlockHeader.Number
 			fromL1Height, fromL2Height := big.NewInt(0), big.NewInt(0)
 			if b.LatestL1Header != nil {
-				// `NewBridgeProcessor` ensures that LatestL2Header must not be nil if LatestL1Header is set
 				fromL1Height = new(big.Int).Add(b.LatestL1Header.Number, big.NewInt(1))
+			}
+			if b.LatestL2Header != nil {
 				fromL2Height = new(big.Int).Add(b.LatestL2Header.Number, big.NewInt(1))
 			}
 
@@ -139,7 +147,7 @@ func (b *BridgeProcessor) Start(ctx context.Context) error {
 				// Try again on a subsequent interval
 				batchLog.Error("unable to index new bridge events", "err", err)
 			} else {
-				batchLog.Info("done indexing new bridge events", "latest_l1_block_number", toL1Height, "latest_l2_block_number", toL2Height)
+				batchLog.Info("done indexing bridge events", "latest_l1_block_number", toL1Height, "latest_l2_block_number", toL2Height)
 				b.LatestL1Header = latestEpoch.L1BlockHeader.RLPHeader.Header()
 				b.LatestL2Header = latestEpoch.L2BlockHeader.RLPHeader.Header()
 			}

indexer/processors/bridge/l1_bridge_processor.go

@@ -8,7 +8,6 @@ import (
 	"github.com/ethereum-optimism/optimism/indexer/config"
 	"github.com/ethereum-optimism/optimism/indexer/database"
 	"github.com/ethereum-optimism/optimism/indexer/processors/contracts"
-	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 
 	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
@@ -65,7 +64,7 @@ func L1ProcessInitiatedBridgeEvents(log log.Logger, db *database.DB, chainConfig
 		// extract the deposit hash from the previous TransactionDepositedEvent
 		portalDeposit, ok := portalDeposits[logKey{sentMessage.Event.BlockHash, sentMessage.Event.LogIndex - 1}]
 		if !ok {
-			return fmt.Errorf("missing expected preceding TransactionDeposit for SentMessage. tx_hash = %s", sentMessage.Event.TransactionHash)
+			return fmt.Errorf("expected TransactionDeposit preceding SentMessage event. tx_hash = %s", sentMessage.Event.TransactionHash)
 		}
 
 		l1BridgeMessages[i] = database.L1BridgeMessage{TransactionSourceHash: portalDeposit.DepositTx.SourceHash, BridgeMessage: sentMessage.BridgeMessage}
@@ -94,11 +93,11 @@ func L1ProcessInitiatedBridgeEvents(log log.Logger, db *database.DB, chainConfig
 		// extract the cross domain message hash & deposit source hash from the following events
 		portalDeposit, ok := portalDeposits[logKey{initiatedBridge.Event.BlockHash, initiatedBridge.Event.LogIndex + 1}]
 		if !ok {
-			return fmt.Errorf("missing expected following TransactionDeposit for BridgeInitiated. tx_hash = %s", initiatedBridge.Event.TransactionHash)
+			return fmt.Errorf("expected TransactionDeposit following BridgeInitiated event. tx_hash = %s", initiatedBridge.Event.TransactionHash)
 		}
 		sentMessage, ok := sentMessages[logKey{initiatedBridge.Event.BlockHash, initiatedBridge.Event.LogIndex + 2}]
 		if !ok {
-			return fmt.Errorf("missing expected following SentMessage for BridgeInitiated. tx_hash = %s", initiatedBridge.Event.TransactionHash)
+			return fmt.Errorf("expected SentMessage following TransactionDeposit event. tx_hash = %s", initiatedBridge.Event.TransactionHash)
 		}
 
 		initiatedBridge.BridgeTransfer.CrossDomainMessageHash = &sentMessage.BridgeMessage.MessageHash
@@ -216,7 +215,7 @@ func L1ProcessFinalizedBridgeEvents(log log.Logger, db *database.DB, chainConfig
 		finalizedBridge := finalizedBridges[i]
 		relayedMessage, ok := relayedMessages[logKey{finalizedBridge.Event.BlockHash, finalizedBridge.Event.LogIndex + 1}]
 		if !ok {
-			return fmt.Errorf("missing following RelayedMessage for BridgeFinalized event. tx_hash = %s", finalizedBridge.Event.TransactionHash)
+			return fmt.Errorf("expected RelayedMessage following BridgeFinalized event. tx_hash = %s", finalizedBridge.Event.TransactionHash)
 		}
 
 		// Since the message hash is computed from the relayed message, this ensures the deposit fields must match. For good measure,
@@ -233,80 +232,3 @@ func L1ProcessFinalizedBridgeEvents(log log.Logger, db *database.DB, chainConfig
 	// a-ok!
 	return nil
 }
-
-// L1LatestBridgeEventHeader returns the latest header for which and on-chain event
-// has been observed on L1 -- Both initiated L1 events and finalization markers on L2.
-func L1LatestBridgeEventHeader(db *database.DB, chainConfig config.ChainConfig) (*types.Header, error) {
-	portalAbi, err := bindings.OptimismPortalMetaData.GetAbi()
-	if err != nil {
-		return nil, err
-	}
-
-	depositEventID := portalAbi.Events["TransactionDeposited"].ID
-	provenEventID := portalAbi.Events["WithdrawalProven"].ID
-	finalizedEventID := portalAbi.Events["WithdrawalFinalized"].ID
-
-	// (1) Initiated L1 Events
-	// Since all initaited bridge events eventually reach the OptimismPortal to
-	// conduct the deposit, we can simply look for the last deposited transaction
-	// event on L2.
-	var latestDepositHeader *types.Header
-	contractEventFilter := database.ContractEvent{ContractAddress: chainConfig.L1Contracts.OptimismPortalProxy, EventSignature: depositEventID}
-	depositEvent, err := db.ContractEvents.L1LatestContractEventWithFilter(contractEventFilter)
-	if err != nil {
-		return nil, err
-	}
-	if depositEvent != nil {
-		l1BlockHeader, err := db.Blocks.L1BlockHeader(depositEvent.BlockHash)
-		if err != nil {
-			return nil, err
-		}
-		if l1BlockHeader != nil {
-			latestDepositHeader = l1BlockHeader.RLPHeader.Header()
-		}
-	}
-
-	// (2) Finalization markers for L2
-	// Like initiated L1 events, all withdrawals must flow through the OptimismPortal
-	// contract. We must look for both proven and finalized withdrawal events.
-	var latestWithdrawHeader *types.Header
-	contractEventFilter.EventSignature = finalizedEventID
-	withdrawEvent, err := db.ContractEvents.L1LatestContractEventWithFilter(contractEventFilter)
-	if err != nil {
-		return nil, err
-	}
-	if withdrawEvent != nil {
-		// Check if a have a later detected proven event
-		contractEventFilter.EventSignature = provenEventID
-		provenEvent, err := db.ContractEvents.L1LatestContractEventWithFilter(contractEventFilter)
-		if err != nil {
-			return nil, err
-		}
-		if provenEvent != nil && provenEvent.Timestamp > withdrawEvent.Timestamp {
-			withdrawEvent = provenEvent
-		}
-
-		l1BlockHeader, err := db.Blocks.L1BlockHeader(withdrawEvent.BlockHash)
-		if err != nil {
-			return nil, err
-		}
-		latestWithdrawHeader = l1BlockHeader.RLPHeader.Header()
-	}
-
-	if latestDepositHeader == nil {
-		// If there has been no seen deposits yet, there could have been no seen withdrawals
-		if latestWithdrawHeader != nil {
-			return nil, errors.New("detected an indexed withdrawal without any deposits")
-		}
-		return nil, nil
-	} else if latestWithdrawHeader == nil {
-		return latestDepositHeader, nil
-	} else {
-		// both deposits & withdrawals have occurred
-		if latestDepositHeader.Time > latestWithdrawHeader.Time {
-			return latestDepositHeader, nil
-		} else {
-			return latestWithdrawHeader, nil
-		}
-	}
-}

indexer/processors/bridge/l2_bridge_processor.go

@@ -7,10 +7,8 @@ import (
 
 	"github.com/ethereum-optimism/optimism/indexer/database"
 	"github.com/ethereum-optimism/optimism/indexer/processors/contracts"
-	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
 
-	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/log"
 )
 
@@ -65,7 +63,7 @@ func L2ProcessInitiatedBridgeEvents(log log.Logger, db *database.DB, fromHeight
 		// extract the withdrawal hash from the previous MessagePassed event
 		messagePassed, ok := messagesPassed[logKey{sentMessage.Event.BlockHash, sentMessage.Event.LogIndex - 1}]
 		if !ok {
-			return fmt.Errorf("missing expected preceding MessagePassedEvent for SentMessage. tx_hash = %s", sentMessage.Event.TransactionHash)
+			return fmt.Errorf("expected MessagePassedEvent preceding SentMessage. tx_hash = %s", sentMessage.Event.TransactionHash)
 		}
 
 		l2BridgeMessages[i] = database.L2BridgeMessage{TransactionWithdrawalHash: messagePassed.WithdrawalHash, BridgeMessage: sentMessage.BridgeMessage}
@@ -94,11 +92,11 @@ func L2ProcessInitiatedBridgeEvents(log log.Logger, db *database.DB, fromHeight
 		// extract the cross domain message hash & deposit source hash from the following events
 		messagePassed, ok := messagesPassed[logKey{initiatedBridge.Event.BlockHash, initiatedBridge.Event.LogIndex + 1}]
 		if !ok {
-			return fmt.Errorf("missing expected following MessagePassed for BridgeInitiated. tx_hash = %s", initiatedBridge.Event.TransactionHash)
+			return fmt.Errorf("expected MessagePassed following BridgeInitiated event. tx_hash = %s", initiatedBridge.Event.TransactionHash)
 		}
 		sentMessage, ok := sentMessages[logKey{initiatedBridge.Event.BlockHash, initiatedBridge.Event.LogIndex + 2}]
 		if !ok {
-			return fmt.Errorf("missing expected following SentMessage for BridgeInitiated. tx_hash = %s", initiatedBridge.Event.TransactionHash)
+			return fmt.Errorf("expected SentMessage following MessagePassed event. tx_hash = %s", initiatedBridge.Event.TransactionHash)
 		}
 
 		initiatedBridge.BridgeTransfer.CrossDomainMessageHash = &sentMessage.BridgeMessage.MessageHash
@@ -165,7 +163,7 @@ func L2ProcessFinalizedBridgeEvents(log log.Logger, db *database.DB, fromHeight
 		finalizedBridge := finalizedBridges[i]
 		relayedMessage, ok := relayedMessages[logKey{finalizedBridge.Event.BlockHash, finalizedBridge.Event.LogIndex + 1}]
 		if !ok {
-			return fmt.Errorf("missing following RelayedMessage for BridgeFinalized event. tx_hash = %s", finalizedBridge.Event.TransactionHash)
+			return fmt.Errorf("expected RelayedMessage following BridgeFinalized event. tx_hash = %s", finalizedBridge.Event.TransactionHash)
 		}
 
 		// Since the message hash is computed from the relayed message, this ensures the withdrawal fields must match. For good measure,
@@ -182,71 +180,3 @@ func L2ProcessFinalizedBridgeEvents(log log.Logger, db *database.DB, fromHeight
 	// a-ok!
 	return nil
 }
-
-// L2LatestBridgeEventHeader returns the latest header for which and on-chain event
-// has been observed on L2 -- Both initiated L2 events and finalization markers from L1.
-func L2LatestBridgeEventHeader(db *database.DB) (*types.Header, error) {
-	l2ToL1MessagePasserAbi, err := bindings.L2ToL1MessagePasserMetaData.GetAbi()
-	if err != nil {
-		return nil, err
-	}
-	crossDomainMessengerAbi, err := bindings.CrossDomainMessengerMetaData.GetAbi()
-	if err != nil {
-		return nil, err
-	}
-
-	messagePassedID := l2ToL1MessagePasserAbi.Events["MessagePassed"].ID
-	relayedEventID := crossDomainMessengerAbi.Events["RelayedMessage"].ID
-
-	// (1) Initiated L2 Events
-	// Since all initiated bridge events eventually reach the L2ToL1MessagePasser to
-	// initiate the withdrawal, we can simply look for the last message passed from
-	// this cont
-	var latestWithdrawHeader *types.Header
-	contractEventFilter := database.ContractEvent{ContractAddress: predeploys.L2ToL1MessagePasserAddr, EventSignature: messagePassedID}
-	withdrawEvent, err := db.ContractEvents.L2LatestContractEventWithFilter(contractEventFilter)
-	if err != nil {
-		return nil, err
-	}
-	if withdrawEvent != nil {
-		l2BlockHeader, err := db.Blocks.L2BlockHeader(withdrawEvent.BlockHash)
-		if err != nil {
-			return nil, err
-		}
-		if l2BlockHeader != nil {
-			latestWithdrawHeader = l2BlockHeader.RLPHeader.Header()
-		}
-	}
-
-	// (2) Finalization markers for L1
-	// Since deposited transactions from L1 are apart of the block derivation process,
-	// there are no native finalization markers for OptimismPortal#TransactionDeposited.
-	// The lowest layer to check for here is the CrossDomainMessenger#RelayedMessage event.
-	// This also converts the StandardBridge which simply is an extension of the messenger.
-	var latestRelayedMessageHeader *types.Header
-	contractEventFilter = database.ContractEvent{ContractAddress: predeploys.L2CrossDomainMessengerAddr, EventSignature: relayedEventID}
-	relayedEvent, err := db.ContractEvents.L2LatestContractEventWithFilter(contractEventFilter)
-	if err != nil {
-		return nil, err
-	}
-	if relayedEvent != nil {
-		l2BlockHeader, err := db.Blocks.L2BlockHeader(relayedEvent.BlockHash)
-		if err != nil {
-			return nil, err
-		}
-		if l2BlockHeader != nil {
-			latestRelayedMessageHeader = l2BlockHeader.RLPHeader.Header()
-		}
-	}
-
-	// No causaal relationship between withdraw and relayed messages
-	if latestWithdrawHeader == nil || latestRelayedMessageHeader == nil {
-		return nil, nil
-	} else {
-		if latestWithdrawHeader.Time > latestRelayedMessageHeader.Time {
-			return latestWithdrawHeader, nil
-		} else {
-			return latestRelayedMessageHeader, nil
-		}
-	}
-}

indexer/ui/schema.prisma

@@ -4,35 +4,34 @@ generator client {
 
 datasource db {
   provider = "postgresql"
-  url      = env("DATABASE_URL")
+  url      = "postgresql://db_username:db_password@localhost:5434/db_name"
 }
 
 model l1_bridged_tokens {
-  address          String      @id @db.VarChar
-  bridge_address   String      @db.VarChar
-  l2_token_address String      @db.VarChar
-  name             String      @db.VarChar
-  symbol           String      @db.VarChar
-  decimals         Int
-  l2_bridged_tokens        l2_bridged_tokens[]
+  address           String              @id @db.VarChar
+  bridge_address    String              @db.VarChar
+  name              String              @db.VarChar
+  symbol            String              @db.VarChar
+  decimals          Int
+  l2_bridged_tokens l2_bridged_tokens[]
 }
 
 model l2_bridged_tokens {
-  address          String     @id @db.VarChar
-  bridge_address   String     @db.VarChar
-  l1_token_address String?    @db.VarChar
-  name             String     @db.VarChar
-  symbol           String     @db.VarChar
-  decimals         Int
-  l1_bridged_tokens        l1_bridged_tokens? @relation(fields: [l1_token_address], references: [address], onDelete: NoAction, onUpdate: NoAction)
+  address           String             @id @db.VarChar
+  bridge_address    String             @db.VarChar
+  l1_token_address  String?            @db.VarChar
+  name              String             @db.VarChar
+  symbol            String             @db.VarChar
+  decimals          Int
+  l1_bridged_tokens l1_bridged_tokens? @relation(fields: [l1_token_address], references: [address], onDelete: Cascade, onUpdate: NoAction)
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l1_block_headers {
   hash               String               @id @db.VarChar
-  parent_hash        String               @db.VarChar
-  number             Decimal              @db.Decimal
-  timestamp          Int
+  parent_hash        String               @unique @db.VarChar
+  number             Decimal              @unique @db.Decimal
+  timestamp          Int                  @unique
   rlp_bytes          String               @db.VarChar
   l1_contract_events l1_contract_events[]
 }
@@ -40,7 +39,7 @@ model l1_block_headers {
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l1_bridge_deposits {
   transaction_source_hash   String                  @id @db.VarChar
-  cross_domain_message_hash String?                 @unique @db.VarChar
+  cross_domain_message_hash String                  @unique @db.VarChar
   from_address              String                  @db.VarChar
   to_address                String                  @db.VarChar
   local_token_address       String                  @db.VarChar
@@ -48,8 +47,8 @@ model l1_bridge_deposits {
   amount                    Decimal                 @db.Decimal
   data                      String                  @db.VarChar
   timestamp                 Int
-  l1_bridge_messages        l1_bridge_messages?     @relation(fields: [cross_domain_message_hash], references: [message_hash], onDelete: NoAction, onUpdate: NoAction)
-  l1_transaction_deposits   l1_transaction_deposits @relation(fields: [transaction_source_hash], references: [source_hash], onDelete: NoAction, onUpdate: NoAction)
+  l1_bridge_messages        l1_bridge_messages      @relation(fields: [cross_domain_message_hash], references: [message_hash], onDelete: Cascade, onUpdate: NoAction)
+  l1_transaction_deposits   l1_transaction_deposits @relation(fields: [transaction_source_hash], references: [source_hash], onDelete: Cascade, onUpdate: NoAction)
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
@@ -66,36 +65,36 @@ model l1_bridge_messages {
   data                       String                  @db.VarChar
   timestamp                  Int
   l1_bridge_deposits         l1_bridge_deposits?
-  l2_contract_events         l2_contract_events?     @relation(fields: [relayed_message_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
-  l1_contract_events         l1_contract_events      @relation(fields: [sent_message_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
-  l1_transaction_deposits    l1_transaction_deposits @relation(fields: [transaction_source_hash], references: [source_hash], onDelete: NoAction, onUpdate: NoAction)
+  l2_contract_events         l2_contract_events?     @relation(fields: [relayed_message_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
+  l1_contract_events         l1_contract_events      @relation(fields: [sent_message_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
+  l1_transaction_deposits    l1_transaction_deposits @relation(fields: [transaction_source_hash], references: [source_hash], onDelete: Cascade, onUpdate: NoAction)
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l1_contract_events {
-  guid                                                                                              String                       @id @db.VarChar
-  block_hash                                                                                        String                       @db.VarChar
-  contract_address                                                                                  String                       @db.VarChar
-  transaction_hash                                                                                  String                       @db.VarChar
+  guid                                                                                              String                      @id @db.VarChar
+  block_hash                                                                                        String                      @db.VarChar
+  contract_address                                                                                  String                      @db.VarChar
+  transaction_hash                                                                                  String                      @db.VarChar
   log_index                                                                                         Int
-  event_signature                                                                                   String                       @db.VarChar
+  event_signature                                                                                   String                      @db.VarChar
   timestamp                                                                                         Int
-  rlp_bytes                                                                                         String                       @db.VarChar
+  rlp_bytes                                                                                         String                      @db.VarChar
   l1_bridge_messages                                                                                l1_bridge_messages?
-  l1_block_headers                                                                                  l1_block_headers             @relation(fields: [block_hash], references: [hash], onDelete: NoAction, onUpdate: NoAction)
-  l1_transaction_deposits                                                                           l1_transaction_deposits[]
+  l1_block_headers                                                                                  l1_block_headers            @relation(fields: [block_hash], references: [hash], onDelete: Cascade, onUpdate: NoAction)
+  l1_transaction_deposits                                                                           l1_transaction_deposits?
   l2_bridge_messages                                                                                l2_bridge_messages?
-  l2_transaction_withdrawals_l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events l2_transaction_withdrawals[] @relation("l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events")
-  l2_transaction_withdrawals_l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events    l2_transaction_withdrawals[] @relation("l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events")
-  legacy_state_batches                                                                              legacy_state_batches[]
-  output_proposals                                                                                  output_proposals[]
+  l2_transaction_withdrawals_l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events l2_transaction_withdrawals? @relation("l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events")
+  l2_transaction_withdrawals_l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events    l2_transaction_withdrawals? @relation("l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events")
+  legacy_state_batches                                                                              legacy_state_batches?
+  output_proposals                                                                                  output_proposals?
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l1_transaction_deposits {
   source_hash             String              @id @db.VarChar
-  l2_transaction_hash     String              @db.VarChar
-  initiated_l1_event_guid String              @db.VarChar
+  l2_transaction_hash     String              @unique @db.VarChar
+  initiated_l1_event_guid String              @unique @db.VarChar
   from_address            String              @db.VarChar
   to_address              String              @db.VarChar
   amount                  Decimal             @db.Decimal
@@ -104,15 +103,15 @@ model l1_transaction_deposits {
   timestamp               Int
   l1_bridge_deposits      l1_bridge_deposits?
   l1_bridge_messages      l1_bridge_messages?
-  l1_contract_events      l1_contract_events  @relation(fields: [initiated_l1_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
+  l1_contract_events      l1_contract_events  @relation(fields: [initiated_l1_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l2_block_headers {
   hash               String               @id @db.VarChar
-  parent_hash        String               @db.VarChar
-  number             Decimal              @db.Decimal
-  timestamp          Int
+  parent_hash        String               @unique @db.VarChar
+  number             Decimal              @unique @db.Decimal
+  timestamp          Int                  @unique
   rlp_bytes          String               @db.VarChar
   l2_contract_events l2_contract_events[]
 }
@@ -130,16 +129,16 @@ model l2_bridge_messages {
   gas_limit                   Decimal                    @db.Decimal
   data                        String                     @db.VarChar
   timestamp                   Int
-  l1_contract_events          l1_contract_events?        @relation(fields: [relayed_message_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
-  l2_contract_events          l2_contract_events         @relation(fields: [sent_message_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
-  l2_transaction_withdrawals  l2_transaction_withdrawals @relation(fields: [transaction_withdrawal_hash], references: [withdrawal_hash], onDelete: NoAction, onUpdate: NoAction)
+  l1_contract_events          l1_contract_events?        @relation(fields: [relayed_message_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
+  l2_contract_events          l2_contract_events         @relation(fields: [sent_message_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
+  l2_transaction_withdrawals  l2_transaction_withdrawals @relation(fields: [transaction_withdrawal_hash], references: [withdrawal_hash], onDelete: Cascade, onUpdate: NoAction)
   l2_bridge_withdrawals       l2_bridge_withdrawals?
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l2_bridge_withdrawals {
   transaction_withdrawal_hash String                     @id @db.VarChar
-  cross_domain_message_hash   String?                    @unique @db.VarChar
+  cross_domain_message_hash   String                     @unique @db.VarChar
   from_address                String                     @db.VarChar
   to_address                  String                     @db.VarChar
   local_token_address         String                     @db.VarChar
@@ -147,34 +146,34 @@ model l2_bridge_withdrawals {
   amount                      Decimal                    @db.Decimal
   data                        String                     @db.VarChar
   timestamp                   Int
-  l2_bridge_messages          l2_bridge_messages?        @relation(fields: [cross_domain_message_hash], references: [message_hash], onDelete: NoAction, onUpdate: NoAction)
-  l2_transaction_withdrawals  l2_transaction_withdrawals @relation(fields: [transaction_withdrawal_hash], references: [withdrawal_hash], onDelete: NoAction, onUpdate: NoAction)
+  l2_bridge_messages          l2_bridge_messages         @relation(fields: [cross_domain_message_hash], references: [message_hash], onDelete: Cascade, onUpdate: NoAction)
+  l2_transaction_withdrawals  l2_transaction_withdrawals @relation(fields: [transaction_withdrawal_hash], references: [withdrawal_hash], onDelete: Cascade, onUpdate: NoAction)
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l2_contract_events {
-  guid                       String                       @id @db.VarChar
-  block_hash                 String                       @db.VarChar
-  contract_address           String                       @db.VarChar
-  transaction_hash           String                       @db.VarChar
+  guid                       String                      @id @db.VarChar
+  block_hash                 String                      @db.VarChar
+  contract_address           String                      @db.VarChar
+  transaction_hash           String                      @db.VarChar
   log_index                  Int
-  event_signature            String                       @db.VarChar
+  event_signature            String                      @db.VarChar
   timestamp                  Int
-  rlp_bytes                  String                       @db.VarChar
+  rlp_bytes                  String                      @db.VarChar
   l1_bridge_messages         l1_bridge_messages?
   l2_bridge_messages         l2_bridge_messages?
-  l2_block_headers           l2_block_headers             @relation(fields: [block_hash], references: [hash], onDelete: NoAction, onUpdate: NoAction)
-  l2_transaction_withdrawals l2_transaction_withdrawals[]
+  l2_block_headers           l2_block_headers            @relation(fields: [block_hash], references: [hash], onDelete: Cascade, onUpdate: NoAction)
+  l2_transaction_withdrawals l2_transaction_withdrawals?
 }
 
 /// This table contains check constraints and requires additional setup for migrations. Visit https://pris.ly/d/check-constraints for more info.
 model l2_transaction_withdrawals {
   withdrawal_hash                                                                           String                 @id @db.VarChar
-  initiated_l2_event_guid                                                                   String                 @db.VarChar
-  proven_l1_event_guid                                                                      String?                @db.VarChar
-  finalized_l1_event_guid                                                                   String?                @db.VarChar
+  nonce                                                                                     Decimal                @unique @db.Decimal
+  initiated_l2_event_guid                                                                   String                 @unique @db.VarChar
+  proven_l1_event_guid                                                                      String?                @unique @db.VarChar
+  finalized_l1_event_guid                                                                   String?                @unique @db.VarChar
   succeeded                                                                                 Boolean?
-  nonce                                                                                     Decimal?               @unique @db.Decimal
   from_address                                                                              String                 @db.VarChar
   to_address                                                                                String                 @db.VarChar
   amount                                                                                    Decimal                @db.Decimal
@@ -183,24 +182,24 @@ model l2_transaction_withdrawals {
   timestamp                                                                                 Int
   l2_bridge_messages                                                                        l2_bridge_messages?
   l2_bridge_withdrawals                                                                     l2_bridge_withdrawals?
-  l1_contract_events_l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events l1_contract_events?    @relation("l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events", fields: [finalized_l1_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
-  l2_contract_events                                                                        l2_contract_events     @relation(fields: [initiated_l2_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
-  l1_contract_events_l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events    l1_contract_events?    @relation("l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events", fields: [proven_l1_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
+  l1_contract_events_l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events l1_contract_events?    @relation("l2_transaction_withdrawals_finalized_l1_event_guidTol1_contract_events", fields: [finalized_l1_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
+  l2_contract_events                                                                        l2_contract_events     @relation(fields: [initiated_l2_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
+  l1_contract_events_l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events    l1_contract_events?    @relation("l2_transaction_withdrawals_proven_l1_event_guidTol1_contract_events", fields: [proven_l1_event_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
 }
 
 model legacy_state_batches {
-  index                  Int                 @id
-  root                   String              @db.VarChar
-  size                   Int
-  prev_total             Int
-  l1_contract_event_guid String?             @db.VarChar
-  l1_contract_events     l1_contract_events? @relation(fields: [l1_contract_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
+  index                     Int                @id
+  root                      String             @unique @db.VarChar
+  size                      Int
+  prev_total                Int
+  state_batch_appended_guid String             @unique @db.VarChar
+  l1_contract_events        l1_contract_events @relation(fields: [state_batch_appended_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
 }
 
 model output_proposals {
-  output_root            String              @id @db.VarChar
-  l2_output_index        Decimal             @db.Decimal
-  l2_block_number        Decimal             @db.Decimal
-  l1_contract_event_guid String?             @db.VarChar
-  l1_contract_events     l1_contract_events? @relation(fields: [l1_contract_event_guid], references: [guid], onDelete: NoAction, onUpdate: NoAction)
+  output_root          String             @id @db.VarChar
+  l2_output_index      Decimal            @unique @db.Decimal
+  l2_block_number      Decimal            @unique @db.Decimal
+  output_proposed_guid String             @unique @db.VarChar
+  l1_contract_events   l1_contract_events @relation(fields: [output_proposed_guid], references: [guid], onDelete: Cascade, onUpdate: NoAction)
 }

op-batcher/Dockerfile

@@ -4,21 +4,24 @@ ARG VERSION=v0.0.0
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 # build op-batcher with the shared go.mod & go.sum files
 COPY ./op-batcher /app/op-batcher
 COPY ./op-bindings /app/op-bindings
 COPY ./op-node /app/op-node
 COPY ./op-service /app/op-service
 COPY ./op-signer /app/op-signer
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 
 COPY ./.git /app/.git
 
 WORKDIR /app/op-batcher
 
-RUN go mod download
-
 ARG TARGETOS TARGETARCH
 
 RUN make op-batcher VERSION="$VERSION" GOOS=$TARGETOS GOARCH=$TARGETARCH

op-challenger/Dockerfile

@@ -4,6 +4,13 @@ ARG VERSION=v0.0.0
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 # build op-challenger with the shared go.mod & go.sum files
 COPY ./op-challenger /app/op-challenger
 COPY ./op-program /app/op-program
@@ -12,8 +19,6 @@ COPY ./op-bindings /app/op-bindings
 COPY ./op-node /app/op-node
 COPY ./op-service /app/op-service
 COPY ./op-signer /app/op-signer
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 COPY ./.git /app/.git
 
 # Copy cannon and its dependencies
@@ -23,8 +28,6 @@ COPY ./op-chain-ops /app/op-chain-ops
 
 WORKDIR /app/op-program
 
-RUN go mod download
-
 ARG TARGETOS TARGETARCH
 
 RUN make op-program-host VERSION="$VERSION" GOOS=$TARGETOS GOARCH=$TARGETARCH

op-challenger/game/fault/agent.go

@@ -7,6 +7,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/solver"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum/go-ethereum/log"
 )
@@ -14,7 +15,7 @@ import (
 // Responder takes a response action & executes.
 // For full op-challenger this means executing the transaction on chain.
 type Responder interface {
-	CallResolve(ctx context.Context) (types.GameStatus, error)
+	CallResolve(ctx context.Context) (gameTypes.GameStatus, error)
 	Resolve(ctx context.Context) error
 	Respond(ctx context.Context, response types.Claim) error
 	Step(ctx context.Context, stepData types.StepCallData) error
@@ -74,10 +75,10 @@ func (a *Agent) Act(ctx context.Context) error {
 
 // shouldResolve returns true if the agent should resolve the game.
 // This method will return false if the game is still in progress.
-func (a *Agent) shouldResolve(status types.GameStatus) bool {
-	expected := types.GameStatusDefenderWon
+func (a *Agent) shouldResolve(status gameTypes.GameStatus) bool {
+	expected := gameTypes.GameStatusDefenderWon
 	if a.agreeWithProposedOutput {
-		expected = types.GameStatusChallengerWon
+		expected = gameTypes.GameStatusChallengerWon
 	}
 	if expected != status {
 		a.log.Warn("Game will be lost", "expected", expected, "actual", status)
@@ -89,7 +90,7 @@ func (a *Agent) shouldResolve(status types.GameStatus) bool {
 // Returns true if the game is resolvable (regardless of whether it was actually resolved)
 func (a *Agent) tryResolve(ctx context.Context) bool {
 	status, err := a.responder.CallResolve(ctx)
-	if err != nil || status == types.GameStatusInProgress {
+	if err != nil || status == gameTypes.GameStatusInProgress {
 		return false
 	}
 	if !a.shouldResolve(status) {

op-challenger/game/fault/agent_test.go

@@ -8,6 +8,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/test"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/alphabet"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/stretchr/testify/require"
@@ -19,16 +20,16 @@ import (
 func TestShouldResolve(t *testing.T) {
 	t.Run("AgreeWithProposedOutput", func(t *testing.T) {
 		agent, _, _ := setupTestAgent(t, true)
-		require.False(t, agent.shouldResolve(types.GameStatusDefenderWon))
-		require.True(t, agent.shouldResolve(types.GameStatusChallengerWon))
-		require.False(t, agent.shouldResolve(types.GameStatusInProgress))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusDefenderWon))
+		require.True(t, agent.shouldResolve(gameTypes.GameStatusChallengerWon))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusInProgress))
 	})
 
 	t.Run("DisagreeWithProposedOutput", func(t *testing.T) {
 		agent, _, _ := setupTestAgent(t, false)
-		require.True(t, agent.shouldResolve(types.GameStatusDefenderWon))
-		require.False(t, agent.shouldResolve(types.GameStatusChallengerWon))
-		require.False(t, agent.shouldResolve(types.GameStatusInProgress))
+		require.True(t, agent.shouldResolve(gameTypes.GameStatusDefenderWon))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusChallengerWon))
+		require.False(t, agent.shouldResolve(gameTypes.GameStatusInProgress))
 	})
 }
 
@@ -38,31 +39,31 @@ func TestDoNotMakeMovesWhenGameIsResolvable(t *testing.T) {
 	tests := []struct {
 		name                    string
 		agreeWithProposedOutput bool
-		callResolveStatus       types.GameStatus
+		callResolveStatus       gameTypes.GameStatus
 		shouldResolve           bool
 	}{
 		{
 			name:                    "Agree_Losing",
 			agreeWithProposedOutput: true,
-			callResolveStatus:       types.GameStatusDefenderWon,
+			callResolveStatus:       gameTypes.GameStatusDefenderWon,
 			shouldResolve:           false,
 		},
 		{
 			name:                    "Agree_Winning",
 			agreeWithProposedOutput: true,
-			callResolveStatus:       types.GameStatusChallengerWon,
+			callResolveStatus:       gameTypes.GameStatusChallengerWon,
 			shouldResolve:           true,
 		},
 		{
 			name:                    "Disagree_Losing",
 			agreeWithProposedOutput: false,
-			callResolveStatus:       types.GameStatusChallengerWon,
+			callResolveStatus:       gameTypes.GameStatusChallengerWon,
 			shouldResolve:           false,
 		},
 		{
 			name:                    "Disagree_Winning",
 			agreeWithProposedOutput: false,
-			callResolveStatus:       types.GameStatusDefenderWon,
+			callResolveStatus:       gameTypes.GameStatusDefenderWon,
 			shouldResolve:           true,
 		},
 	}
@@ -126,14 +127,14 @@ func (s *stubClaimLoader) FetchClaims(ctx context.Context) ([]types.Claim, error
 
 type stubResponder struct {
 	callResolveCount  int
-	callResolveStatus types.GameStatus
+	callResolveStatus gameTypes.GameStatus
 	callResolveErr    error
 
 	resolveCount int
 	resolveErr   error
 }
 
-func (s *stubResponder) CallResolve(ctx context.Context) (types.GameStatus, error) {
+func (s *stubResponder) CallResolve(ctx context.Context) (gameTypes.GameStatus, error) {
 	s.callResolveCount++
 	return s.callResolveStatus, s.callResolveErr
 }

op-challenger/game/fault/loader.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
@@ -49,9 +50,9 @@ func NewLoaderFromBindings(fdgAddr common.Address, client bind.ContractCaller) (
 }
 
 // GetGameStatus returns the current game status.
-func (l *loader) GetGameStatus(ctx context.Context) (types.GameStatus, error) {
+func (l *loader) GetGameStatus(ctx context.Context) (gameTypes.GameStatus, error) {
 	status, err := l.caller.Status(&bind.CallOpts{Context: ctx})
-	return types.GameStatus(status), err
+	return gameTypes.GameStatus(status), err
 }
 
 // GetClaimCount returns the number of claims in the game.

op-challenger/game/fault/loader_test.go

@@ -7,6 +7,7 @@ import (
 	"testing"
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
 	"github.com/ethereum/go-ethereum/common"
@@ -30,15 +31,15 @@ func TestLoader_GetGameStatus(t *testing.T) {
 	}{
 		{
 			name:   "challenger won status",
-			status: uint8(types.GameStatusChallengerWon),
+			status: uint8(gameTypes.GameStatusChallengerWon),
 		},
 		{
 			name:   "defender won status",
-			status: uint8(types.GameStatusDefenderWon),
+			status: uint8(gameTypes.GameStatusDefenderWon),
 		},
 		{
 			name:   "in progress status",
-			status: uint8(types.GameStatusInProgress),
+			status: uint8(gameTypes.GameStatusInProgress),
 		},
 		{
 			name:          "error bubbled up",
@@ -57,7 +58,7 @@ func TestLoader_GetGameStatus(t *testing.T) {
 				require.ErrorIs(t, err, mockStatusError)
 			} else {
 				require.NoError(t, err)
-				require.Equal(t, types.GameStatus(test.status), status)
+				require.Equal(t, gameTypes.GameStatus(test.status), status)
 			}
 		})
 	}

op-challenger/game/fault/player.go

@@ -11,6 +11,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/alphabet"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/cannon"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
@@ -21,7 +22,7 @@ import (
 type actor func(ctx context.Context) error
 
 type GameInfo interface {
-	GetGameStatus(context.Context) (types.GameStatus, error)
+	GetGameStatus(context.Context) (gameTypes.GameStatus, error)
 	GetClaimCount(context.Context) (uint64, error)
 }
 
@@ -30,8 +31,7 @@ type GamePlayer struct {
 	agreeWithProposedOutput bool
 	loader                  GameInfo
 	logger                  log.Logger
-
-	completed bool
+	status                  gameTypes.GameStatus
 }
 
 func NewGamePlayer(
@@ -56,14 +56,14 @@ func NewGamePlayer(
 	if err != nil {
 		return nil, fmt.Errorf("failed to fetch game status: %w", err)
 	}
-	if status != types.GameStatusInProgress {
+	if status != gameTypes.GameStatusInProgress {
 		logger.Info("Game already resolved", "status", status)
 		// Game is already complete so skip creating the trace provider, loading game inputs etc.
 		return &GamePlayer{
 			logger:                  logger,
 			loader:                  loader,
 			agreeWithProposedOutput: cfg.AgreeWithProposedOutput,
-			completed:               true,
+			status:                  status,
 			// Act function does nothing because the game is already complete
 			act: func(ctx context.Context) error {
 				return nil
@@ -110,32 +110,32 @@ func NewGamePlayer(
 		agreeWithProposedOutput: cfg.AgreeWithProposedOutput,
 		loader:                  loader,
 		logger:                  logger,
-		completed:               status != types.GameStatusInProgress,
+		status:                  status,
 	}, nil
 }
 
-func (g *GamePlayer) ProgressGame(ctx context.Context) bool {
-	if g.completed {
+func (g *GamePlayer) ProgressGame(ctx context.Context) gameTypes.GameStatus {
+	if g.status != gameTypes.GameStatusInProgress {
 		// Game is already complete so don't try to perform further actions.
 		g.logger.Trace("Skipping completed game")
-		return true
+		return g.status
 	}
 	g.logger.Trace("Checking if actions are required")
 	if err := g.act(ctx); err != nil {
 		g.logger.Error("Error when acting on game", "err", err)
 	}
-	if status, err := g.loader.GetGameStatus(ctx); err != nil {
+	status, err := g.loader.GetGameStatus(ctx)
+	if err != nil {
 		g.logger.Warn("Unable to retrieve game status", "err", err)
-	} else {
-		g.logGameStatus(ctx, status)
-		g.completed = status != types.GameStatusInProgress
-		return g.completed
+		return gameTypes.GameStatusInProgress
 	}
-	return false
+	g.logGameStatus(ctx, status)
+	g.status = status
+	return status
 }
 
-func (g *GamePlayer) logGameStatus(ctx context.Context, status types.GameStatus) {
-	if status == types.GameStatusInProgress {
+func (g *GamePlayer) logGameStatus(ctx context.Context, status gameTypes.GameStatus) {
+	if status == gameTypes.GameStatusInProgress {
 		claimCount, err := g.loader.GetClaimCount(ctx)
 		if err != nil {
 			g.logger.Error("Failed to get claim count for in progress game", "err", err)
@@ -144,11 +144,11 @@ func (g *GamePlayer) logGameStatus(ctx context.Context, status types.GameStatus)
 		g.logger.Info("Game info", "claims", claimCount, "status", status)
 		return
 	}
-	var expectedStatus types.GameStatus
+	var expectedStatus gameTypes.GameStatus
 	if g.agreeWithProposedOutput {
-		expectedStatus = types.GameStatusChallengerWon
+		expectedStatus = gameTypes.GameStatusChallengerWon
 	} else {
-		expectedStatus = types.GameStatusDefenderWon
+		expectedStatus = gameTypes.GameStatusDefenderWon
 	}
 	if expectedStatus == status {
 		g.logger.Info("Game won", "status", status)

op-challenger/game/fault/player_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/cannon/mipsevm"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/crypto"
@@ -23,8 +24,8 @@ var (
 func TestProgressGame_LogErrorFromAct(t *testing.T) {
 	handler, game, actor := setupProgressGameTest(t, true)
 	actor.actErr = errors.New("boom")
-	done := game.ProgressGame(context.Background())
-	require.False(t, done, "should not be done")
+	status := game.ProgressGame(context.Background())
+	require.Equal(t, gameTypes.GameStatusInProgress, status)
 	require.Equal(t, 1, actor.callCount, "should perform next actions")
 	errLog := handler.FindLog(log.LvlError, "Error when acting on game")
 	require.NotNil(t, errLog, "should log error")
@@ -39,42 +40,42 @@ func TestProgressGame_LogErrorFromAct(t *testing.T) {
 func TestProgressGame_LogGameStatus(t *testing.T) {
 	tests := []struct {
 		name            string
-		status          types.GameStatus
+		status          gameTypes.GameStatus
 		agreeWithOutput bool
 		logLevel        log.Lvl
 		logMsg          string
 	}{
 		{
 			name:            "GameLostAsDefender",
-			status:          types.GameStatusChallengerWon,
+			status:          gameTypes.GameStatusChallengerWon,
 			agreeWithOutput: false,
 			logLevel:        log.LvlError,
 			logMsg:          "Game lost",
 		},
 		{
 			name:            "GameLostAsChallenger",
-			status:          types.GameStatusDefenderWon,
+			status:          gameTypes.GameStatusDefenderWon,
 			agreeWithOutput: true,
 			logLevel:        log.LvlError,
 			logMsg:          "Game lost",
 		},
 		{
 			name:            "GameWonAsDefender",
-			status:          types.GameStatusDefenderWon,
+			status:          gameTypes.GameStatusDefenderWon,
 			agreeWithOutput: false,
 			logLevel:        log.LvlInfo,
 			logMsg:          "Game won",
 		},
 		{
 			name:            "GameWonAsChallenger",
-			status:          types.GameStatusChallengerWon,
+			status:          gameTypes.GameStatusChallengerWon,
 			agreeWithOutput: true,
 			logLevel:        log.LvlInfo,
 			logMsg:          "Game won",
 		},
 		{
 			name:            "GameInProgress",
-			status:          types.GameStatusInProgress,
+			status:          gameTypes.GameStatusInProgress,
 			agreeWithOutput: true,
 			logLevel:        log.LvlInfo,
 			logMsg:          "Game info",
@@ -86,9 +87,9 @@ func TestProgressGame_LogGameStatus(t *testing.T) {
 			handler, game, gameState := setupProgressGameTest(t, test.agreeWithOutput)
 			gameState.status = test.status
 
-			done := game.ProgressGame(context.Background())
+			status := game.ProgressGame(context.Background())
 			require.Equal(t, 1, gameState.callCount, "should perform next actions")
-			require.Equal(t, test.status != types.GameStatusInProgress, done, "should be done when not in progress")
+			require.Equal(t, test.status, status)
 			errLog := handler.FindLog(test.logLevel, test.logMsg)
 			require.NotNil(t, errLog, "should log game result")
 			require.Equal(t, test.status, errLog.GetContextValue("status"))
@@ -97,19 +98,19 @@ func TestProgressGame_LogGameStatus(t *testing.T) {
 }
 
 func TestDoNotActOnCompleteGame(t *testing.T) {
-	for _, status := range []types.GameStatus{types.GameStatusChallengerWon, types.GameStatusDefenderWon} {
+	for _, status := range []gameTypes.GameStatus{gameTypes.GameStatusChallengerWon, gameTypes.GameStatusDefenderWon} {
 		t.Run(status.String(), func(t *testing.T) {
 			_, game, gameState := setupProgressGameTest(t, true)
 			gameState.status = status
 
-			done := game.ProgressGame(context.Background())
+			fetched := game.ProgressGame(context.Background())
 			require.Equal(t, 1, gameState.callCount, "acts the first time")
-			require.True(t, done, "should be done")
+			require.Equal(t, status, fetched)
 
 			// Should not act when it knows the game is already complete
-			done = game.ProgressGame(context.Background())
+			fetched = game.ProgressGame(context.Background())
 			require.Equal(t, 1, gameState.callCount, "does not act after game is complete")
-			require.True(t, done, "should still be done")
+			require.Equal(t, status, fetched)
 		})
 	}
 }
@@ -168,7 +169,7 @@ func setupProgressGameTest(t *testing.T, agreeWithProposedRoot bool) (*testlog.C
 }
 
 type stubGameState struct {
-	status     types.GameStatus
+	status     gameTypes.GameStatus
 	claimCount uint64
 	callCount  int
 	actErr     error
@@ -180,7 +181,7 @@ func (s *stubGameState) Act(ctx context.Context) error {
 	return s.actErr
 }
 
-func (s *stubGameState) GetGameStatus(ctx context.Context) (types.GameStatus, error) {
+func (s *stubGameState) GetGameStatus(ctx context.Context) (gameTypes.GameStatus, error) {
 	return s.status, nil
 }
 

op-challenger/game/fault/responder/responder.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 
 	"github.com/ethereum/go-ethereum"
@@ -81,23 +82,23 @@ func (r *faultResponder) BuildTx(ctx context.Context, response types.Claim) ([]b
 
 // CallResolve determines if the resolve function on the fault dispute game contract
 // would succeed. Returns the game status if the call would succeed, errors otherwise.
-func (r *faultResponder) CallResolve(ctx context.Context) (types.GameStatus, error) {
+func (r *faultResponder) CallResolve(ctx context.Context) (gameTypes.GameStatus, error) {
 	txData, err := r.buildResolveData()
 	if err != nil {
-		return types.GameStatusInProgress, err
+		return gameTypes.GameStatusInProgress, err
 	}
 	res, err := r.txMgr.Call(ctx, ethereum.CallMsg{
 		To:   &r.fdgAddr,
 		Data: txData,
 	}, nil)
 	if err != nil {
-		return types.GameStatusInProgress, err
+		return gameTypes.GameStatusInProgress, err
 	}
 	var status uint8
 	if err = r.fdgAbi.UnpackIntoInterface(&status, "resolve", res); err != nil {
-		return types.GameStatusInProgress, err
+		return gameTypes.GameStatusInProgress, err
 	}
-	return types.GameStatusFromUint8(status)
+	return gameTypes.GameStatusFromUint8(status)
 }
 
 // Resolve executes a resolve transaction to resolve a fault dispute game.

op-challenger/game/fault/responder/responder_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/types"
+	gameTypes "github.com/ethereum-optimism/optimism/op-challenger/game/types"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum-optimism/optimism/op-service/txmgr"
 
@@ -32,7 +33,7 @@ func TestCallResolve(t *testing.T) {
 		mockTxMgr.callFails = true
 		status, err := responder.CallResolve(context.Background())
 		require.ErrorIs(t, err, mockCallError)
-		require.Equal(t, types.GameStatusInProgress, status)
+		require.Equal(t, gameTypes.GameStatusInProgress, status)
 		require.Equal(t, 0, mockTxMgr.calls)
 	})
 
@@ -41,7 +42,7 @@ func TestCallResolve(t *testing.T) {
 		mockTxMgr.callBytes = []byte{0x00, 0x01}
 		status, err := responder.CallResolve(context.Background())
 		require.Error(t, err)
-		require.Equal(t, types.GameStatusInProgress, status)
+		require.Equal(t, gameTypes.GameStatusInProgress, status)
 		require.Equal(t, 1, mockTxMgr.calls)
 	})
 
@@ -49,7 +50,7 @@ func TestCallResolve(t *testing.T) {
 		responder, mockTxMgr := newTestFaultResponder(t)
 		status, err := responder.CallResolve(context.Background())
 		require.NoError(t, err)
-		require.Equal(t, types.GameStatusInProgress, status)
+		require.Equal(t, gameTypes.GameStatusInProgress, status)
 		require.Equal(t, 1, mockTxMgr.calls)
 	})
 }

op-challenger/game/fault/types/types.go

@@ -3,7 +3,6 @@ package types
 import (
 	"context"
 	"errors"
-	"fmt"
 	"math/big"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -13,36 +12,6 @@ var (
 	ErrGameDepthReached = errors.New("game depth reached")
 )
 
-type GameStatus uint8
-
-const (
-	GameStatusInProgress GameStatus = iota
-	GameStatusChallengerWon
-	GameStatusDefenderWon
-)
-
-// String returns the string representation of the game status.
-func (s GameStatus) String() string {
-	switch s {
-	case GameStatusInProgress:
-		return "In Progress"
-	case GameStatusChallengerWon:
-		return "Challenger Won"
-	case GameStatusDefenderWon:
-		return "Defender Won"
-	default:
-		return "Unknown"
-	}
-}
-
-// GameStatusFromUint8 returns a game status from the uint8 representation.
-func GameStatusFromUint8(i uint8) (GameStatus, error) {
-	if i > 2 {
-		return GameStatus(i), fmt.Errorf("invalid game status: %d", i)
-	}
-	return GameStatus(i), nil
-}
-
 // PreimageOracleData encapsulates the preimage oracle data
 // to load into the onchain oracle.
 type PreimageOracleData struct {

op-challenger/game/fault/types/types_test.go

 package types
 
 import (
-	"fmt"
 	"testing"
 
 	"github.com/stretchr/testify/require"
 )
 
-var validGameStatuses = []GameStatus{
-	GameStatusInProgress,
-	GameStatusChallengerWon,
-	GameStatusDefenderWon,
-}
-
-func TestGameStatusFromUint8(t *testing.T) {
-	for _, status := range validGameStatuses {
-		t.Run(fmt.Sprintf("Valid Game Status %v", status), func(t *testing.T) {
-			parsed, err := GameStatusFromUint8(uint8(status))
-			require.NoError(t, err)
-			require.Equal(t, status, parsed)
-		})
-	}
-
-	t.Run("Invalid", func(t *testing.T) {
-		status, err := GameStatusFromUint8(3)
-		require.Error(t, err)
-		require.Equal(t, GameStatus(3), status)
-	})
-}
-
 func TestNewPreimageOracleData(t *testing.T) {
 	t.Run("LocalData", func(t *testing.T) {
 		data := NewPreimageOracleData([]byte{1, 2, 3}, []byte{4, 5, 6}, 7)

op-challenger/game/monitor.go

@@ -8,7 +8,6 @@ import (
 	"time"
 
 	"github.com/ethereum-optimism/optimism/op-challenger/game/scheduler"
-	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-service/clock"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -27,7 +26,6 @@ type gameScheduler interface {
 
 type gameMonitor struct {
 	logger           log.Logger
-	metrics          metrics.Metricer
 	clock            clock.Clock
 	source           gameSource
 	scheduler        gameScheduler
@@ -38,7 +36,6 @@ type gameMonitor struct {
 
 func newGameMonitor(
 	logger log.Logger,
-	m metrics.Metricer,
 	cl clock.Clock,
 	source gameSource,
 	scheduler gameScheduler,
@@ -48,7 +45,6 @@ func newGameMonitor(
 ) *gameMonitor {
 	return &gameMonitor{
 		logger:           logger,
-		metrics:          m,
 		clock:            cl,
 		scheduler:        scheduler,
 		source:           source,

op-challenger/game/monitor_test.go

@@ -6,7 +6,6 @@ import (
 	"testing"
 	"time"
 
-	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum-optimism/optimism/op-service/clock"
 	"github.com/ethereum/go-ethereum/common"
@@ -101,7 +100,7 @@ func setupMonitorTest(t *testing.T, allowedGames []common.Address) (*gameMonitor
 		return i, nil
 	}
 	sched := &stubScheduler{}
-	monitor := newGameMonitor(logger, metrics.NoopMetrics, clock.SystemClock, source, sched, time.Duration(0), fetchBlockNum, allowedGames)
+	monitor := newGameMonitor(logger, clock.SystemClock, source, sched, time.Duration(0), fetchBlockNum, allowedGames)
 	return monitor, source, sched
 }
 

op-challenger/game/scheduler/coordinator.go

@@ -5,6 +5,8 @@ import (
 	"errors"
 	"fmt"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
+
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
 	"golang.org/x/exp/slices"
@@ -17,7 +19,7 @@ type PlayerCreator func(address common.Address, dir string) (GamePlayer, error)
 type gameState struct {
 	player   GamePlayer
 	inflight bool
-	resolved bool
+	status   types.GameStatus
 }
 
 // coordinator manages the set of current games, queues games to be played (on separate worker threads) and
@@ -31,6 +33,7 @@ type coordinator struct {
 	resultQueue <-chan job
 
 	logger       log.Logger
+	m            SchedulerMetricer
 	createPlayer PlayerCreator
 	states       map[common.Address]*gameState
 	disk         DiskManager
@@ -49,18 +52,36 @@ func (c *coordinator) schedule(ctx context.Context, games []common.Address) erro
 		}
 	}
 
+	var gamesInProgress int
+	var gamesChallengerWon int
+	var gamesDefenderWon int
 	var errs []error
+	var jobs []job
 	// Next collect all the jobs to schedule and ensure all games are recorded in the states map.
 	// Otherwise, results may start being processed before all games are recorded, resulting in existing
 	// data directories potentially being deleted for games that are required.
-	var jobs []job
 	for _, addr := range games {
 		if j, err := c.createJob(addr); err != nil {
 			errs = append(errs, err)
 		} else if j != nil {
 			jobs = append(jobs, *j)
+			c.m.RecordGameUpdateScheduled()
+		}
+		state, ok := c.states[addr]
+		if ok {
+			switch state.status {
+			case types.GameStatusInProgress:
+				gamesInProgress++
+			case types.GameStatusDefenderWon:
+				gamesDefenderWon++
+			case types.GameStatusChallengerWon:
+				gamesChallengerWon++
+			}
+		} else {
+			c.logger.Warn("Game not found in states map", "game", addr)
 		}
 	}
+	c.m.RecordGamesStatus(gamesInProgress, gamesChallengerWon, gamesDefenderWon)
 
 	// Finally, enqueue the jobs
 	for _, j := range jobs {
@@ -114,15 +135,16 @@ func (c *coordinator) processResult(j job) error {
 		return fmt.Errorf("game %v received unexpected result: %w", j.addr, errUnknownGame)
 	}
 	state.inflight = false
-	state.resolved = j.resolved
+	state.status = j.status
 	c.deleteResolvedGameFiles()
+	c.m.RecordGameUpdateCompleted()
 	return nil
 }
 
 func (c *coordinator) deleteResolvedGameFiles() {
 	var keepGames []common.Address
 	for addr, state := range c.states {
-		if !state.resolved || state.inflight {
+		if state.status == types.GameStatusInProgress || state.inflight {
 			keepGames = append(keepGames, addr)
 		}
 	}
@@ -131,9 +153,10 @@ func (c *coordinator) deleteResolvedGameFiles() {
 	}
 }
 
-func newCoordinator(logger log.Logger, jobQueue chan<- job, resultQueue <-chan job, createPlayer PlayerCreator, disk DiskManager) *coordinator {
+func newCoordinator(logger log.Logger, m SchedulerMetricer, jobQueue chan<- job, resultQueue <-chan job, createPlayer PlayerCreator, disk DiskManager) *coordinator {
 	return &coordinator{
 		logger:       logger,
+		m:            m,
 		jobQueue:     jobQueue,
 		resultQueue:  resultQueue,
 		createPlayer: createPlayer,

op-challenger/game/scheduler/coordinator_test.go

@@ -5,6 +5,8 @@ import (
 	"fmt"
 	"testing"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
+	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -140,7 +142,7 @@ func TestDeleteDataForResolvedGames(t *testing.T) {
 	require.NoError(t, c.schedule(ctx, []common.Address{gameAddr3}))
 	require.Len(t, workQueue, 1)
 	j := <-workQueue
-	j.resolved = true
+	j.status = types.GameStatusDefenderWon
 	require.NoError(t, c.processResult(j))
 	// But ensure its data directory is marked as existing
 	disk.DirForGame(gameAddr3)
@@ -155,7 +157,9 @@ func TestDeleteDataForResolvedGames(t *testing.T) {
 	// Game 3 hasn't yet progressed (update is still in flight)
 	for i := 0; i < len(gameAddrs)-1; i++ {
 		j := <-workQueue
-		j.resolved = j.addr == gameAddr2
+		if j.addr == gameAddr2 {
+			j.status = types.GameStatusDefenderWon
+		}
 		require.NoError(t, c.processResult(j))
 	}
 
@@ -229,20 +233,20 @@ func setupCoordinatorTest(t *testing.T, bufferSize int) (*coordinator, <-chan jo
 		created: make(map[common.Address]*stubGame),
 	}
 	disk := &stubDiskManager{gameDirExists: make(map[common.Address]bool)}
-	c := newCoordinator(logger, workQueue, resultQueue, games.CreateGame, disk)
+	c := newCoordinator(logger, metrics.NoopMetrics, workQueue, resultQueue, games.CreateGame, disk)
 	return c, workQueue, resultQueue, games, disk
 }
 
 type stubGame struct {
 	addr          common.Address
 	progressCount int
-	done          bool
+	status        types.GameStatus
 	dir           string
 }
 
-func (g *stubGame) ProgressGame(_ context.Context) bool {
+func (g *stubGame) ProgressGame(_ context.Context) types.GameStatus {
 	g.progressCount++
-	return g.done
+	return g.status
 }
 
 type createdGames struct {
@@ -259,10 +263,14 @@ func (c *createdGames) CreateGame(addr common.Address, dir string) (GamePlayer,
 	if _, exists := c.created[addr]; exists {
 		c.t.Fatalf("game %v already exists", addr)
 	}
+	status := types.GameStatusInProgress
+	if addr == c.createCompleted {
+		status = types.GameStatusDefenderWon
+	}
 	game := &stubGame{
-		addr: addr,
-		done: addr == c.createCompleted,
-		dir:  dir,
+		addr:   addr,
+		status: status,
+		dir:    dir,
 	}
 	c.created[addr] = game
 	return game, nil

op-challenger/game/scheduler/scheduler.go

@@ -11,6 +11,12 @@ import (
 
 var ErrBusy = errors.New("busy scheduling previous update")
 
+type SchedulerMetricer interface {
+	RecordGamesStatus(inProgress, defenderWon, challengerWon int)
+	RecordGameUpdateScheduled()
+	RecordGameUpdateCompleted()
+}
+
 type Scheduler struct {
 	logger         log.Logger
 	coordinator    *coordinator
@@ -22,7 +28,7 @@ type Scheduler struct {
 	cancel         func()
 }
 
-func NewScheduler(logger log.Logger, disk DiskManager, maxConcurrency uint, createPlayer PlayerCreator) *Scheduler {
+func NewScheduler(logger log.Logger, m SchedulerMetricer, disk DiskManager, maxConcurrency uint, createPlayer PlayerCreator) *Scheduler {
 	// Size job and results queues to be fairly small so backpressure is applied early
 	// but with enough capacity to keep the workers busy
 	jobQueue := make(chan job, maxConcurrency*2)
@@ -34,7 +40,7 @@ func NewScheduler(logger log.Logger, disk DiskManager, maxConcurrency uint, crea
 
 	return &Scheduler{
 		logger:         logger,
-		coordinator:    newCoordinator(logger, jobQueue, resultQueue, createPlayer, disk),
+		coordinator:    newCoordinator(logger, m, jobQueue, resultQueue, createPlayer, disk),
 		maxConcurrency: maxConcurrency,
 		scheduleQueue:  scheduleQueue,
 		jobQueue:       jobQueue,

op-challenger/game/scheduler/scheduler_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"testing"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/log"
@@ -18,7 +19,7 @@ func TestSchedulerProcessesGames(t *testing.T) {
 	}
 	removeExceptCalls := make(chan []common.Address)
 	disk := &trackingDiskManager{removeExceptCalls: removeExceptCalls}
-	s := NewScheduler(logger, disk, 2, createPlayer)
+	s := NewScheduler(logger, metrics.NoopMetrics, disk, 2, createPlayer)
 	s.Start(ctx)
 
 	gameAddr1 := common.Address{0xaa}
@@ -46,7 +47,7 @@ func TestReturnBusyWhenScheduleQueueFull(t *testing.T) {
 	}
 	removeExceptCalls := make(chan []common.Address)
 	disk := &trackingDiskManager{removeExceptCalls: removeExceptCalls}
-	s := NewScheduler(logger, disk, 2, createPlayer)
+	s := NewScheduler(logger, metrics.NoopMetrics, disk, 2, createPlayer)
 
 	// Scheduler not started - first call fills the queue
 	require.NoError(t, s.Schedule([]common.Address{{0xaa}}))

op-challenger/game/scheduler/types.go

@@ -4,10 +4,12 @@ import (
 	"context"
 
 	"github.com/ethereum/go-ethereum/common"
+
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
 )
 
 type GamePlayer interface {
-	ProgressGame(ctx context.Context) bool
+	ProgressGame(ctx context.Context) types.GameStatus
 }
 
 type DiskManager interface {
@@ -16,7 +18,7 @@ type DiskManager interface {
 }
 
 type job struct {
-	addr     common.Address
-	player   GamePlayer
-	resolved bool
+	addr   common.Address
+	player GamePlayer
+	status types.GameStatus
 }

op-challenger/game/scheduler/worker.go

@@ -15,7 +15,7 @@ func progressGames(ctx context.Context, in <-chan job, out chan<- job, wg *sync.
 		case <-ctx.Done():
 			return
 		case j := <-in:
-			j.resolved = j.player.ProgressGame(ctx)
+			j.status = j.player.ProgressGame(ctx)
 			out <- j
 		}
 	}

op-challenger/game/scheduler/worker_test.go

@@ -6,6 +6,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-challenger/game/types"
+
 	"github.com/stretchr/testify/require"
 )
 
@@ -20,17 +22,17 @@ func TestWorkerShouldProcessJobsUntilContextDone(t *testing.T) {
 	go progressGames(ctx, in, out, &wg)
 
 	in <- job{
-		player: &stubPlayer{done: false},
+		player: &stubPlayer{status: types.GameStatusInProgress},
 	}
 	in <- job{
-		player: &stubPlayer{done: true},
+		player: &stubPlayer{status: types.GameStatusDefenderWon},
 	}
 
 	result1 := readWithTimeout(t, out)
 	result2 := readWithTimeout(t, out)
 
-	require.Equal(t, result1.resolved, false)
-	require.Equal(t, result2.resolved, true)
+	require.Equal(t, result1.status, types.GameStatusInProgress)
+	require.Equal(t, result2.status, types.GameStatusDefenderWon)
 
 	// Cancel the context which should exit the worker
 	cancel()
@@ -38,11 +40,11 @@ func TestWorkerShouldProcessJobsUntilContextDone(t *testing.T) {
 }
 
 type stubPlayer struct {
-	done bool
+	status types.GameStatus
 }
 
-func (s *stubPlayer) ProgressGame(ctx context.Context) bool {
-	return s.done
+func (s *stubPlayer) ProgressGame(ctx context.Context) types.GameStatus {
+	return s.status
 }
 
 func readWithTimeout[T any](t *testing.T, ch <-chan T) T {

op-challenger/game/service.go

@@ -69,13 +69,14 @@ func NewService(ctx context.Context, logger log.Logger, cfg *config.Config) (*Se
 	disk := newDiskManager(cfg.Datadir)
 	sched := scheduler.NewScheduler(
 		logger,
+		m,
 		disk,
 		cfg.MaxConcurrency,
 		func(addr common.Address, dir string) (scheduler.GamePlayer, error) {
 			return fault.NewGamePlayer(ctx, logger, m, cfg, dir, addr, txMgr, client)
 		})
 
-	monitor := newGameMonitor(logger, m, cl, loader, sched, cfg.GameWindow, client.BlockNumber, cfg.GameAllowlist)
+	monitor := newGameMonitor(logger, cl, loader, sched, cfg.GameWindow, client.BlockNumber, cfg.GameAllowlist)
 
 	m.RecordInfo(version.SimpleWithMeta)
 	m.RecordUp()

op-challenger/game/types/types.go

+package types
+
+import (
+	"fmt"
+)
+
+type GameStatus uint8
+
+const (
+	GameStatusInProgress GameStatus = iota
+	GameStatusChallengerWon
+	GameStatusDefenderWon
+)
+
+// String returns the string representation of the game status.
+func (s GameStatus) String() string {
+	switch s {
+	case GameStatusInProgress:
+		return "In Progress"
+	case GameStatusChallengerWon:
+		return "Challenger Won"
+	case GameStatusDefenderWon:
+		return "Defender Won"
+	default:
+		return "Unknown"
+	}
+}
+
+// GameStatusFromUint8 returns a game status from the uint8 representation.
+func GameStatusFromUint8(i uint8) (GameStatus, error) {
+	if i > 2 {
+		return GameStatus(i), fmt.Errorf("invalid game status: %d", i)
+	}
+	return GameStatus(i), nil
+}

op-challenger/game/types/types_test.go

+package types
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+var validGameStatuses = []GameStatus{
+	GameStatusInProgress,
+	GameStatusChallengerWon,
+	GameStatusDefenderWon,
+}
+
+func TestGameStatusFromUint8(t *testing.T) {
+	for _, status := range validGameStatuses {
+		t.Run(fmt.Sprintf("Valid Game Status %v", status), func(t *testing.T) {
+			parsed, err := GameStatusFromUint8(uint8(status))
+			require.NoError(t, err)
+			require.Equal(t, status, parsed)
+		})
+	}
+
+	t.Run("Invalid", func(t *testing.T) {
+		status, err := GameStatusFromUint8(3)
+		require.Error(t, err)
+		require.Equal(t, GameStatus(3), status)
+	})
+}

op-challenger/metrics/metrics.go

@@ -24,6 +24,11 @@ type Metricer interface {
 	RecordGameStep()
 	RecordGameMove()
 	RecordCannonExecutionTime(t float64)
+
+	RecordGamesStatus(inProgress, defenderWon, challengerWon int)
+
+	RecordGameUpdateScheduled()
+	RecordGameUpdateCompleted()
 }
 
 type Metrics struct {
@@ -36,9 +41,13 @@ type Metrics struct {
 	info prometheus.GaugeVec
 	up   prometheus.Gauge
 
-	moves               prometheus.Counter
-	steps               prometheus.Counter
+	moves prometheus.Counter
+	steps prometheus.Counter
+
 	cannonExecutionTime prometheus.Histogram
+
+	trackedGames  prometheus.GaugeVec
+	inflightGames prometheus.Gauge
 }
 
 var _ Metricer = (*Metrics)(nil)
@@ -80,7 +89,21 @@ func NewMetrics() *Metrics {
 			Namespace: Namespace,
 			Name:      "cannon_execution_time",
 			Help:      "Time (in seconds) to execute cannon",
-			Buckets:   append([]float64{1.0, 10.0}, prometheus.ExponentialBuckets(30.0, 2.0, 14)...),
+			Buckets: append(
+				[]float64{1.0, 10.0},
+				prometheus.ExponentialBuckets(30.0, 2.0, 14)...),
+		}),
+		trackedGames: *factory.NewGaugeVec(prometheus.GaugeOpts{
+			Namespace: Namespace,
+			Name:      "tracked_games",
+			Help:      "Number of games being tracked by the challenger",
+		}, []string{
+			"status",
+		}),
+		inflightGames: factory.NewGauge(prometheus.GaugeOpts{
+			Namespace: Namespace,
+			Name:      "inflight_games",
+			Help:      "Number of games being tracked by the challenger",
 		}),
 	}
 }
@@ -89,7 +112,12 @@ func (m *Metrics) Serve(ctx context.Context, host string, port int) error {
 	return opmetrics.ListenAndServe(ctx, m.registry, host, port)
 }
 
-func (m *Metrics) StartBalanceMetrics(ctx context.Context, l log.Logger, client *ethclient.Client, account common.Address) {
+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)
 }
 
@@ -120,3 +148,17 @@ func (m *Metrics) RecordGameStep() {
 func (m *Metrics) RecordCannonExecutionTime(t float64) {
 	m.cannonExecutionTime.Observe(t)
 }
+
+func (m *Metrics) RecordGamesStatus(inProgress, defenderWon, challengerWon int) {
+	m.trackedGames.WithLabelValues("in_progress").Set(float64(inProgress))
+	m.trackedGames.WithLabelValues("defender_won").Set(float64(defenderWon))
+	m.trackedGames.WithLabelValues("challenger_won").Set(float64(challengerWon))
+}
+
+func (m *Metrics) RecordGameUpdateScheduled() {
+	m.inflightGames.Add(1)
+}
+
+func (m *Metrics) RecordGameUpdateCompleted() {
+	m.inflightGames.Sub(1)
+}

op-challenger/metrics/noop.go

@@ -10,8 +10,15 @@ type noopMetrics struct {
 
 var NoopMetrics Metricer = new(noopMetrics)
 
-func (*noopMetrics) RecordInfo(version string)           {}
-func (*noopMetrics) RecordUp()                           {}
-func (*noopMetrics) RecordGameMove()                     {}
-func (*noopMetrics) RecordGameStep()                     {}
+func (*noopMetrics) RecordInfo(version string) {}
+func (*noopMetrics) RecordUp()                 {}
+
+func (*noopMetrics) RecordGameMove() {}
+func (*noopMetrics) RecordGameStep() {}
+
 func (*noopMetrics) RecordCannonExecutionTime(t float64) {}
+
+func (*noopMetrics) RecordGamesStatus(inProgress, defenderWon, challengerWon int) {}
+
+func (*noopMetrics) RecordGameUpdateScheduled() {}
+func (*noopMetrics) RecordGameUpdateCompleted() {}

op-challenger/scripts/alphabet/init_game.sh

@@ -18,7 +18,7 @@ DEVNET_SPONSOR="ac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
 DISPUTE_GAME_FACTORY=$(jq -r .DisputeGameFactoryProxy $MONOREPO_DIR/.devnet/addresses.json)
 
 echo "----------------------------------------------------------------"
-echo " Dispute Game Factory at $DISPUTE_GAME_PROXY"
+echo " Dispute Game Factory at $DISPUTE_GAME_FACTORY"
 echo "----------------------------------------------------------------"
 
 L2_OUTPUT_ORACLE_PROXY=$(jq -r .L2OutputOracleProxy $MONOREPO_DIR/.devnet/addresses.json)

op-e2e/bridge_test.go

@@ -8,6 +8,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"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"
@@ -40,14 +41,14 @@ func TestERC20BridgeDeposits(t *testing.T) {
 	// 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)
+	_, err = geth.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)
+	_, err = geth.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)
@@ -61,7 +62,7 @@ func TestERC20BridgeDeposits(t *testing.T) {
 	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)
+	_, err = geth.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
@@ -76,7 +77,7 @@ func TestERC20BridgeDeposits(t *testing.T) {
 	// Approve WETH9 with the bridge
 	tx, err = WETH9.Approve(opts, cfg.L1Deployments.L1StandardBridgeProxy, new(big.Int).SetUint64(math.MaxUint64))
 	require.NoError(t, err)
-	_, err = waitForTransaction(tx.Hash(), l1Client, 6*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	_, err = geth.WaitForTransaction(tx.Hash(), l1Client, 6*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.NoError(t, err)
 
 	// Bridge the WETH9
@@ -84,7 +85,7 @@ func TestERC20BridgeDeposits(t *testing.T) {
 	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)
+	depositReceipt, err := geth.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)
@@ -103,7 +104,7 @@ func TestERC20BridgeDeposits(t *testing.T) {
 
 	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)
+	_, err = geth.WaitForTransaction(types.NewTx(depositTx).Hash(), l2Client, 3*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
 	require.NoError(t, err)
 
 	// Ensure that the deposit went through

op-e2e/deposit_test.go

+package op_e2e
+
+import (
+	"context"
+	"math/big"
+	"testing"
+	"time"
+
+	"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/core/vm"
+	"github.com/stretchr/testify/require"
+)
+
+func TestMintOnRevertedDeposit(t *testing.T) {
+	InitParallel(t)
+	cfg := DefaultSystemConfig(t)
+
+	sys, err := cfg.Start(t)
+	require.Nil(t, err, "Error starting up system")
+	defer sys.Close()
+
+	l1Client := sys.Clients["l1"]
+	l2Verif := sys.Clients["verifier"]
+
+	// create signer
+	aliceKey := cfg.Secrets.Alice
+	opts, err := bind.NewKeyedTransactorWithChainID(aliceKey, cfg.L1ChainIDBig())
+	require.Nil(t, err)
+	fromAddr := opts.From
+
+	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
+	startBalance, err := l2Verif.BalanceAt(ctx, fromAddr, nil)
+	cancel()
+	require.Nil(t, err)
+
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
+	startNonce, err := l2Verif.NonceAt(ctx, fromAddr, nil)
+	require.NoError(t, err)
+	cancel()
+
+	toAddr := common.Address{0xff, 0xff}
+	mintAmount := big.NewInt(9_000_000)
+	opts.Value = mintAmount
+	SendDepositTx(t, cfg, l1Client, l2Verif, opts, func(l2Opts *DepositTxOpts) {
+		l2Opts.ToAddr = toAddr
+		// trigger a revert by transferring more than we have available
+		l2Opts.Value = new(big.Int).Mul(common.Big2, startBalance)
+		l2Opts.ExpectedStatus = types.ReceiptStatusFailed
+	})
+
+	// Confirm balance
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
+	endBalance, err := l2Verif.BalanceAt(ctx, fromAddr, nil)
+	cancel()
+	require.Nil(t, err)
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
+	toAddrBalance, err := l2Verif.BalanceAt(ctx, toAddr, nil)
+	require.NoError(t, err)
+	cancel()
+
+	diff := new(big.Int)
+	diff = diff.Sub(endBalance, startBalance)
+	require.Equal(t, mintAmount, diff, "Did not get expected balance change")
+	require.Equal(t, common.Big0.Int64(), toAddrBalance.Int64(), "The recipient account balance should be zero")
+
+	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
+	endNonce, err := l2Verif.NonceAt(ctx, fromAddr, nil)
+	require.NoError(t, err)
+	cancel()
+	require.Equal(t, startNonce+1, endNonce, "Nonce of deposit sender should increment on L2, even if the deposit fails")
+}
+
+func TestDepositTxCreateContract(t *testing.T) {
+	InitParallel(t)
+	cfg := DefaultSystemConfig(t)
+	delete(cfg.Nodes, "verifier")
+
+	sys, err := cfg.Start(t)
+	require.Nil(t, err, "Error starting up system")
+	defer sys.Close()
+
+	l1Client := sys.Clients["l1"]
+	l2Client := sys.Clients["sequencer"]
+
+	opts, err := bind.NewKeyedTransactorWithChainID(cfg.Secrets.Alice, cfg.L1ChainIDBig())
+	require.Nil(t, err)
+
+	// Simple constructor that is prefixed to the actual contract code
+	// Results in the contract code being returned as the code for the new contract
+	deployPrefixSize := byte(16)
+	deployPrefix := []byte{
+		// Copy input data after this prefix into memory starting at address 0x00
+		// CODECOPY arg size
+		byte(vm.PUSH1), deployPrefixSize,
+		byte(vm.CODESIZE),
+		byte(vm.SUB),
+		// CODECOPY arg offset
+		byte(vm.PUSH1), deployPrefixSize,
+		// CODECOPY arg destOffset
+		byte(vm.PUSH1), 0x00,
+		byte(vm.CODECOPY),
+
+		// Return code from memory
+		// RETURN arg size
+		byte(vm.PUSH1), deployPrefixSize,
+		byte(vm.CODESIZE),
+		byte(vm.SUB),
+		// RETURN arg offset
+		byte(vm.PUSH1), 0x00,
+		byte(vm.RETURN),
+	}
+	// Stores the first word from call data code to storage slot 0
+	sstoreContract := []byte{
+		// Load first word from call data
+		byte(vm.PUSH1), 0x00,
+		byte(vm.CALLDATALOAD),
+
+		// Store it to slot 0
+		byte(vm.PUSH1), 0x00,
+		byte(vm.SSTORE),
+	}
+
+	deployData := append(deployPrefix, sstoreContract...)
+
+	l2Receipt := SendDepositTx(t, cfg, l1Client, l2Client, opts, func(l2Opts *DepositTxOpts) {
+		l2Opts.Data = deployData
+		l2Opts.Value = common.Big0
+		l2Opts.IsCreation = true
+		l2Opts.ToAddr = common.Address{}
+		l2Opts.GasLimit = 1_000_000
+	})
+	require.NotEqual(t, common.Address{}, l2Receipt.ContractAddress, "should not have zero address")
+	code, err := l2Client.CodeAt(context.Background(), l2Receipt.ContractAddress, nil)
+	require.NoError(t, err, "get deployed contract code")
+	require.Equal(t, sstoreContract, code, "should have deployed correct contract code")
+}

op-e2e/e2eutils/disputegame/helper.go

@@ -16,6 +16,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-challenger/game/fault/trace/cannon"
 	"github.com/ethereum-optimism/optimism/op-challenger/metrics"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/challenger"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/l2oo"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/transactions"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
 	"github.com/ethereum-optimism/optimism/op-node/rollup"
@@ -65,7 +66,7 @@ type FactoryHelper struct {
 	factoryAddr common.Address
 	factory     *bindings.DisputeGameFactory
 	blockOracle *bindings.BlockOracle
-	l2oo        *bindings.L2OutputOracleCaller
+	l2ooHelper  *l2oo.L2OOHelper
 }
 
 func NewFactoryHelper(t *testing.T, ctx context.Context, deployments *genesis.L1Deployments, client *ethclient.Client) *FactoryHelper {
@@ -81,8 +82,6 @@ func NewFactoryHelper(t *testing.T, ctx context.Context, deployments *genesis.L1
 	require.NoError(err)
 	blockOracle, err := bindings.NewBlockOracle(deployments.BlockOracle, client)
 	require.NoError(err)
-	l2oo, err := bindings.NewL2OutputOracleCaller(deployments.L2OutputOracleProxy, client)
-	require.NoError(err, "Error creating l2oo caller")
 
 	return &FactoryHelper{
 		t:           t,
@@ -92,7 +91,7 @@ func NewFactoryHelper(t *testing.T, ctx context.Context, deployments *genesis.L1
 		factory:     factory,
 		factoryAddr: factoryAddr,
 		blockOracle: blockOracle,
-		l2oo:        l2oo,
+		l2ooHelper:  l2oo.NewL2OOHelperReadOnly(t, deployments, client),
 	}
 }
 
@@ -150,12 +149,8 @@ func (h *FactoryHelper) StartCannonGameWithCorrectRoot(ctx context.Context, roll
 	challengerOpts = append(challengerOpts, options...)
 	cfg := challenger.NewChallengerConfig(h.t, l1Endpoint, challengerOpts...)
 	opts := &bind.CallOpts{Context: ctx}
-	outputIdx, err := h.l2oo.GetL2OutputIndexAfter(opts, new(big.Int).SetUint64(l2BlockNumber))
-	h.require.NoError(err, "Fetch challenged output index")
-	challengedOutput, err := h.l2oo.GetL2Output(opts, outputIdx)
-	h.require.NoError(err, "Fetch challenged output")
-	agreedOutput, err := h.l2oo.GetL2Output(opts, new(big.Int).Sub(outputIdx, common.Big1))
-	h.require.NoError(err, "Fetch agreed output")
+	challengedOutput := h.l2ooHelper.GetL2OutputAfter(ctx, l2BlockNumber)
+	agreedOutput := h.l2ooHelper.GetL2OutputBefore(ctx, l2BlockNumber)
 	l1BlockInfo, err := h.blockOracle.Load(opts, l1Head)
 	h.require.NoError(err, "Fetch L1 block info")
 
@@ -246,26 +241,8 @@ func (h *FactoryHelper) prepareCannonGame(ctx context.Context) (uint64, *big.Int
 func (h *FactoryHelper) waitForProposals(ctx context.Context) uint64 {
 	ctx, cancel := context.WithTimeout(ctx, 2*time.Minute)
 	defer cancel()
-	opts := &bind.CallOpts{Context: ctx}
-	latestOutputIndex, err := wait.AndGet(
-		ctx,
-		time.Second,
-		func() (*big.Int, error) {
-			index, err := h.l2oo.LatestOutputIndex(opts)
-			if err != nil {
-				h.t.Logf("Could not get latest output index: %v", err.Error())
-				return nil, nil
-			}
-			h.t.Logf("Latest output index: %v", index)
-			return index, nil
-		},
-		func(index *big.Int) bool {
-			return index != nil && index.Cmp(big.NewInt(1)) >= 0
-		})
-	h.require.NoError(err, "Did not get two output roots")
-	output, err := h.l2oo.GetL2Output(opts, latestOutputIndex)
-	h.require.NoErrorf(err, "Could not get latst output root index: %v", latestOutputIndex)
-	return output.L2BlockNumber.Uint64()
+	latestOutputIdx := h.l2ooHelper.WaitForProposals(ctx, 2)
+	return h.l2ooHelper.GetL2Output(ctx, latestOutputIdx).L2BlockNumber.Uint64()
 }
 
 // checkpointL1Block stores the current L1 block in the oracle

op-e2e/fakepos.go → op-e2e/e2eutils/geth/fakepos.go

-package op_e2e
+package geth
 
 import (
 	"time"

op-e2e/geth.go → op-e2e/e2eutils/geth/geth.go

-package op_e2e
+package geth
 
 import (
-	"context"
-	"crypto/ecdsa"
-	"errors"
 	"fmt"
 	"math/big"
-	"time"
 
-	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 	"github.com/ethereum-optimism/optimism/op-service/clock"
-	"github.com/ethereum/go-ethereum"
-	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/cmd/utils"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core"
-	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/eth"
 	"github.com/ethereum/go-ethereum/eth/catalyst"
 	"github.com/ethereum/go-ethereum/eth/ethconfig"
 	"github.com/ethereum/go-ethereum/eth/tracers"
-	"github.com/ethereum/go-ethereum/ethclient"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/miner"
 	"github.com/ethereum/go-ethereum/node"
@@ -30,101 +21,9 @@ import (
 	_ "github.com/ethereum/go-ethereum/eth/tracers/native"
 )
 
-var (
-	// errTimeout represents a timeout
-	errTimeout = errors.New("timeout")
-)
-
-func waitForL1OriginOnL2(l1BlockNum uint64, client *ethclient.Client, timeout time.Duration) (*types.Block, error) {
-	timeoutCh := time.After(timeout)
-	ctx, cancel := context.WithTimeout(context.Background(), timeout)
-	defer cancel()
-
-	headChan := make(chan *types.Header, 100)
-	headSub, err := client.SubscribeNewHead(ctx, headChan)
-	if err != nil {
-		return nil, err
-	}
-	defer headSub.Unsubscribe()
-
-	for {
-		select {
-		case head := <-headChan:
-			block, err := client.BlockByNumber(ctx, head.Number)
-			if err != nil {
-				return nil, err
-			}
-			l1Info, err := derive.L1InfoDepositTxData(block.Transactions()[0].Data())
-			if err != nil {
-				return nil, err
-			}
-			if l1Info.Number >= l1BlockNum {
-				return block, nil
-			}
-
-		case err := <-headSub.Err():
-			return nil, fmt.Errorf("error in head subscription: %w", err)
-		case <-timeoutCh:
-			return nil, errTimeout
-		}
-	}
-}
-
-func waitForTransaction(hash common.Hash, client *ethclient.Client, timeout time.Duration) (*types.Receipt, error) {
-	timeoutCh := time.After(timeout)
-	ticker := time.NewTicker(100 * time.Millisecond)
-	defer ticker.Stop()
-	ctx, cancel := context.WithTimeout(context.Background(), timeout)
-	defer cancel()
-	for {
-		receipt, err := client.TransactionReceipt(ctx, hash)
-		if receipt != nil && err == nil {
-			return receipt, nil
-		} else if err != nil && !errors.Is(err, ethereum.NotFound) {
-			return nil, err
-		}
-
-		select {
-		case <-timeoutCh:
-			tip, err := client.BlockByNumber(context.Background(), nil)
-			if err != nil {
-				return nil, err
-			}
-			return nil, fmt.Errorf("receipt for transaction %s not found. tip block number is %d: %w", hash.Hex(), tip.NumberU64(), errTimeout)
-		case <-ticker.C:
-		}
-	}
-}
-
-func waitForBlock(number *big.Int, client *ethclient.Client, timeout time.Duration) (*types.Block, error) {
-	timeoutCh := time.After(timeout)
-	ctx, cancel := context.WithTimeout(context.Background(), timeout)
-	defer cancel()
-
-	headChan := make(chan *types.Header, 100)
-	headSub, err := client.SubscribeNewHead(ctx, headChan)
-	if err != nil {
-		return nil, err
-	}
-	defer headSub.Unsubscribe()
-
-	for {
-		select {
-		case head := <-headChan:
-			if head.Number.Cmp(number) >= 0 {
-				return client.BlockByNumber(ctx, number)
-			}
-		case err := <-headSub.Err():
-			return nil, fmt.Errorf("error in head subscription: %w", err)
-		case <-timeoutCh:
-			return nil, errTimeout
-		}
-	}
-}
-
-func initL1Geth(cfg *SystemConfig, genesis *core.Genesis, c clock.Clock, opts ...GethOption) (*node.Node, *eth.Ethereum, error) {
+func InitL1(chainID uint64, blockTime uint64, genesis *core.Genesis, c clock.Clock, opts ...GethOption) (*node.Node, *eth.Ethereum, error) {
 	ethConfig := &ethconfig.Config{
-		NetworkId: cfg.DeployConfig.L1ChainID,
+		NetworkId: chainID,
 		Genesis:   genesis,
 	}
 	nodeConfig := &node.Config{
@@ -137,7 +36,7 @@ func initL1Geth(cfg *SystemConfig, genesis *core.Genesis, c clock.Clock, opts ..
 		HTTPModules: []string{"debug", "admin", "eth", "txpool", "net", "rpc", "web3", "personal", "engine"},
 	}
 
-	l1Node, l1Eth, err := createGethNode(false, nodeConfig, ethConfig, []*ecdsa.PrivateKey{cfg.Secrets.CliqueSigner}, opts...)
+	l1Node, l1Eth, err := createGethNode(false, nodeConfig, ethConfig, opts...)
 	if err != nil {
 		return nil, nil, err
 	}
@@ -149,7 +48,7 @@ func initL1Geth(cfg *SystemConfig, genesis *core.Genesis, c clock.Clock, opts ..
 		clock:     c,
 		eth:       l1Eth,
 		log:       log.Root(), // geth logger is global anyway. Would be nice to replace with a local logger though.
-		blockTime: cfg.DeployConfig.L1BlockTime,
+		blockTime: blockTime,
 		// for testing purposes we make it really fast, otherwise we don't see it finalize in short tests
 		finalizedDistance: 8,
 		safeDistance:      4,
@@ -176,8 +75,8 @@ func defaultNodeConfig(name string, jwtPath string) *node.Config {
 
 type GethOption func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error
 
-// init a geth node.
-func initL2Geth(name string, l2ChainID *big.Int, genesis *core.Genesis, jwtPath string, opts ...GethOption) (*node.Node, *eth.Ethereum, error) {
+// InitL2 inits a L2 geth node.
+func InitL2(name string, l2ChainID *big.Int, genesis *core.Genesis, jwtPath string, opts ...GethOption) (*node.Node, *eth.Ethereum, error) {
 	ethConfig := &ethconfig.Config{
 		NetworkId: l2ChainID.Uint64(),
 		Genesis:   genesis,
@@ -192,14 +91,14 @@ func initL2Geth(name string, l2ChainID *big.Int, genesis *core.Genesis, jwtPath
 		},
 	}
 	nodeConfig := defaultNodeConfig(fmt.Sprintf("l2-geth-%v", name), jwtPath)
-	return createGethNode(true, nodeConfig, ethConfig, nil, opts...)
+	return createGethNode(true, nodeConfig, ethConfig, opts...)
 }
 
 // createGethNode creates an in-memory geth node based on the configuration.
 // The private keys are added to the keystore and are unlocked.
 // If the node is l2, catalyst is enabled.
 // The node should be started and then closed when done.
-func createGethNode(l2 bool, nodeCfg *node.Config, ethCfg *ethconfig.Config, privateKeys []*ecdsa.PrivateKey, opts ...GethOption) (*node.Node, *eth.Ethereum, error) {
+func createGethNode(l2 bool, nodeCfg *node.Config, ethCfg *ethconfig.Config, opts ...GethOption) (*node.Node, *eth.Ethereum, error) {
 	for i, opt := range opts {
 		if err := opt(ethCfg, nodeCfg); err != nil {
 			return nil, nil, fmt.Errorf("failed to apply geth option %d: %w", i, err)
@@ -212,28 +111,6 @@ func createGethNode(l2 bool, nodeCfg *node.Config, ethCfg *ethconfig.Config, pri
 		return nil, nil, err
 	}
 
-	if !l2 {
-		keydir := n.KeyStoreDir()
-		scryptN := 2
-		scryptP := 1
-		n.AccountManager().AddBackend(keystore.NewKeyStore(keydir, scryptN, scryptP))
-		ks := n.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
-
-		password := "foobar"
-		for _, pk := range privateKeys {
-			act, err := ks.ImportECDSA(pk, password)
-			if err != nil {
-				n.Close()
-				return nil, nil, err
-			}
-			err = ks.Unlock(act, password)
-			if err != nil {
-				n.Close()
-				return nil, nil, err
-			}
-		}
-	}
-
 	backend, err := eth.New(n, ethCfg)
 	if err != nil {
 		n.Close()

op-e2e/e2eutils/geth/peers.go

+package geth
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+	"github.com/ethereum/go-ethereum/eth/ethconfig"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/ethereum/go-ethereum/node"
+	"github.com/ethereum/go-ethereum/p2p"
+	"github.com/stretchr/testify/require"
+)
+
+// ConnectP2P creates a p2p peer connection between node1 and node2.
+func ConnectP2P(t *testing.T, node1 *ethclient.Client, node2 *ethclient.Client) {
+	var targetInfo p2p.NodeInfo
+	require.NoError(t, node2.Client().Call(&targetInfo, "admin_nodeInfo"), "get node info")
+
+	var peerAdded bool
+	require.NoError(t, node1.Client().Call(&peerAdded, "admin_addPeer", targetInfo.Enode), "add peer")
+	require.True(t, peerAdded, "should have added peer successfully")
+
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	err := wait.For(ctx, time.Second, func() (bool, error) {
+		var peerCount hexutil.Uint64
+		if err := node1.Client().Call(&peerCount, "net_peerCount"); err != nil {
+			return false, err
+		}
+		t.Logf("Peer count %v", uint64(peerCount))
+		return peerCount >= hexutil.Uint64(1), nil
+	})
+	require.NoError(t, err, "wait for a peer to be connected")
+}
+
+func WithP2P() func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error {
+	return func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error {
+		ethCfg.RollupDisableTxPoolGossip = false
+		nodeCfg.P2P = p2p.Config{
+			NoDiscovery: true,
+			ListenAddr:  "127.0.0.1:0",
+			MaxPeers:    10,
+		}
+		return nil
+	}
+}

op-e2e/e2eutils/geth/wait.go

+package geth
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"math/big"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
+	"github.com/ethereum/go-ethereum"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/core/types"
+	"github.com/ethereum/go-ethereum/ethclient"
+)
+
+var (
+	// errTimeout represents a timeout
+	errTimeout = errors.New("timeout")
+)
+
+func WaitForL1OriginOnL2(l1BlockNum uint64, client *ethclient.Client, timeout time.Duration) (*types.Block, error) {
+	timeoutCh := time.After(timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	headChan := make(chan *types.Header, 100)
+	headSub, err := client.SubscribeNewHead(ctx, headChan)
+	if err != nil {
+		return nil, err
+	}
+	defer headSub.Unsubscribe()
+
+	for {
+		select {
+		case head := <-headChan:
+			block, err := client.BlockByNumber(ctx, head.Number)
+			if err != nil {
+				return nil, err
+			}
+			l1Info, err := derive.L1InfoDepositTxData(block.Transactions()[0].Data())
+			if err != nil {
+				return nil, err
+			}
+			if l1Info.Number >= l1BlockNum {
+				return block, nil
+			}
+
+		case err := <-headSub.Err():
+			return nil, fmt.Errorf("error in head subscription: %w", err)
+		case <-timeoutCh:
+			return nil, errTimeout
+		}
+	}
+}
+
+func WaitForTransaction(hash common.Hash, client *ethclient.Client, timeout time.Duration) (*types.Receipt, error) {
+	timeoutCh := time.After(timeout)
+	ticker := time.NewTicker(100 * time.Millisecond)
+	defer ticker.Stop()
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+	for {
+		receipt, err := client.TransactionReceipt(ctx, hash)
+		if receipt != nil && err == nil {
+			return receipt, nil
+		} else if err != nil && !errors.Is(err, ethereum.NotFound) {
+			return nil, err
+		}
+
+		select {
+		case <-timeoutCh:
+			tip, err := client.BlockByNumber(context.Background(), nil)
+			if err != nil {
+				return nil, err
+			}
+			return nil, fmt.Errorf("receipt for transaction %s not found. tip block number is %d: %w", hash.Hex(), tip.NumberU64(), errTimeout)
+		case <-ticker.C:
+		}
+	}
+}
+
+func WaitForBlock(number *big.Int, client *ethclient.Client, timeout time.Duration) (*types.Block, error) {
+	timeoutCh := time.After(timeout)
+	ctx, cancel := context.WithTimeout(context.Background(), timeout)
+	defer cancel()
+
+	headChan := make(chan *types.Header, 100)
+	headSub, err := client.SubscribeNewHead(ctx, headChan)
+	if err != nil {
+		return nil, err
+	}
+	defer headSub.Unsubscribe()
+
+	for {
+		select {
+		case head := <-headChan:
+			if head.Number.Cmp(number) >= 0 {
+				return client.BlockByNumber(ctx, number)
+			}
+		case err := <-headSub.Err():
+			return nil, fmt.Errorf("error in head subscription: %w", err)
+		case <-timeoutCh:
+			return nil, errTimeout
+		}
+	}
+}

op-e2e/e2eutils/l2oo/helper.go

+package l2oo
+
+import (
+	"context"
+	"crypto/ecdsa"
+	"math/big"
+	"testing"
+	"time"
+
+	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
+	"github.com/ethereum-optimism/optimism/op-chain-ops/genesis"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
+	"github.com/ethereum-optimism/optimism/op-node/rollup"
+	"github.com/ethereum/go-ethereum/accounts/abi/bind"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/ethclient"
+	"github.com/stretchr/testify/require"
+)
+
+type L2OOHelper struct {
+	t       *testing.T
+	require *require.Assertions
+	client  *ethclient.Client
+	l2oo    *bindings.L2OutputOracle
+
+	// Nil when read-only
+	transactOpts *bind.TransactOpts
+	rollupCfg    *rollup.Config
+}
+
+func NewL2OOHelperReadOnly(t *testing.T, deployments *genesis.L1Deployments, client *ethclient.Client) *L2OOHelper {
+	require := require.New(t)
+	l2oo, err := bindings.NewL2OutputOracle(deployments.L2OutputOracleProxy, client)
+	require.NoError(err, "Error creating l2oo bindings")
+
+	return &L2OOHelper{
+		t:       t,
+		require: require,
+		client:  client,
+		l2oo:    l2oo,
+	}
+}
+
+func NewL2OOHelper(t *testing.T, deployments *genesis.L1Deployments, client *ethclient.Client, proposerKey *ecdsa.PrivateKey, rollupCfg *rollup.Config) *L2OOHelper {
+	h := NewL2OOHelperReadOnly(t, deployments, client)
+
+	chainID, err := client.ChainID(context.Background())
+	h.require.NoError(err, "Failed to get chain ID")
+	transactOpts, err := bind.NewKeyedTransactorWithChainID(proposerKey, chainID)
+	h.require.NoError(err)
+	h.transactOpts = transactOpts
+	h.rollupCfg = rollupCfg
+	return h
+}
+
+// WaitForProposals waits until there are at least the specified number of proposals in the output oracle
+// Returns the index of the latest output proposal
+func (h *L2OOHelper) WaitForProposals(ctx context.Context, req int64) uint64 {
+	ctx, cancel := context.WithTimeout(ctx, 2*time.Minute)
+	defer cancel()
+	opts := &bind.CallOpts{Context: ctx}
+	latestOutputIndex, err := wait.AndGet(
+		ctx,
+		time.Second,
+		func() (*big.Int, error) {
+			index, err := h.l2oo.LatestOutputIndex(opts)
+			if err != nil {
+				h.t.Logf("Could not get latest output index: %v", err.Error())
+				return nil, nil
+			}
+			h.t.Logf("Latest output index: %v", index)
+			return index, nil
+		},
+		func(index *big.Int) bool {
+			return index != nil && index.Cmp(big.NewInt(req-1)) >= 0
+		})
+	h.require.NoErrorf(err, "Did not get %v output roots", req)
+	return latestOutputIndex.Uint64()
+}
+
+func (h *L2OOHelper) GetL2Output(ctx context.Context, idx uint64) bindings.TypesOutputProposal {
+	output, err := h.l2oo.GetL2Output(&bind.CallOpts{Context: ctx}, new(big.Int).SetUint64(idx))
+	h.require.NoErrorf(err, "Failed to get output root at index: %v", idx)
+	return output
+}
+
+func (h *L2OOHelper) GetL2OutputAfter(ctx context.Context, l2BlockNum uint64) bindings.TypesOutputProposal {
+	opts := &bind.CallOpts{Context: ctx}
+	outputIdx, err := h.l2oo.GetL2OutputIndexAfter(opts, new(big.Int).SetUint64(l2BlockNum))
+	h.require.NoError(err, "Fetch challenged output index")
+	output, err := h.l2oo.GetL2Output(opts, outputIdx)
+	h.require.NoError(err, "Fetch challenged output")
+	return output
+}
+
+func (h *L2OOHelper) GetL2OutputBefore(ctx context.Context, l2BlockNum uint64) bindings.TypesOutputProposal {
+	opts := &bind.CallOpts{Context: ctx}
+	latestBlockNum, err := h.l2oo.LatestBlockNumber(opts)
+	h.require.NoError(err, "Failed to get latest output root block number")
+	var outputIdx *big.Int
+	if latestBlockNum.Uint64() < l2BlockNum {
+		outputIdx, err = h.l2oo.LatestOutputIndex(opts)
+		h.require.NoError(err, "Failed to get latest output index")
+	} else {
+		outputIdx, err = h.l2oo.GetL2OutputIndexAfter(opts, new(big.Int).SetUint64(l2BlockNum))
+		h.require.NoErrorf(err, "Failed to get output index after block %v", l2BlockNum)
+		h.require.NotZerof(outputIdx.Uint64(), "No l2 output before block %v", l2BlockNum)
+		outputIdx = new(big.Int).Sub(outputIdx, common.Big1)
+	}
+	return h.GetL2Output(ctx, outputIdx.Uint64())
+}
+
+func (h *L2OOHelper) PublishNextOutput(ctx context.Context, outputRoot common.Hash) {
+	h.require.NotNil(h.transactOpts, "Can't publish outputs from a read only L2OOHelper")
+	nextBlockNum, err := h.l2oo.NextBlockNumber(&bind.CallOpts{Context: ctx})
+	h.require.NoError(err, "Should get next block number")
+
+	genesis := h.rollupCfg.Genesis
+	targetTimestamp := genesis.L2Time + ((nextBlockNum.Uint64() - genesis.L2.Number) * h.rollupCfg.BlockTime)
+	timedCtx, cancel := context.WithTimeout(ctx, 30*time.Second)
+	defer cancel()
+	h.require.NoErrorf(
+		wait.ForBlockWithTimestamp(timedCtx, h.client, targetTimestamp),
+		"Wait for L1 block with timestamp >= %v", targetTimestamp)
+
+	tx, err := h.l2oo.ProposeL2Output(h.transactOpts, outputRoot, nextBlockNum, [32]byte{}, common.Big0)
+	h.require.NoErrorf(err, "Failed to propose output root for l2 block number %v", nextBlockNum)
+	_, err = wait.ForReceiptOK(ctx, h.client, tx.Hash())
+	h.require.NoErrorf(err, "Proposal for l2 block %v failed", nextBlockNum)
+}

op-e2e/e2eutils/wait/waits.go

@@ -85,6 +85,19 @@ func ForBlock(ctx context.Context, client *ethclient.Client, n uint64) error {
 	return nil
 }
 
+func ForBlockWithTimestamp(ctx context.Context, client *ethclient.Client, target uint64) error {
+	_, err := AndGet(ctx, time.Second, func() (uint64, error) {
+		head, err := client.BlockByNumber(ctx, nil)
+		if err != nil {
+			return 0, err
+		}
+		return head.Time(), nil
+	}, func(actual uint64) bool {
+		return actual >= target
+	})
+	return err
+}
+
 func ForNextBlock(ctx context.Context, client *ethclient.Client) error {
 	current, err := client.BlockNumber(ctx)
 	if err != nil {

op-e2e/faultproof_test.go

@@ -6,6 +6,7 @@ import (
 
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/challenger"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/disputegame"
+	l2oo2 "github.com/ethereum-optimism/optimism/op-e2e/e2eutils/l2oo"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/ethclient"
@@ -355,6 +356,83 @@ func TestCannonDefendStep(t *testing.T) {
 	game.LogGameData(ctx)
 }
 
+func TestCannonProposedOutputRootInvalid(t *testing.T) {
+	InitParallel(t)
+
+	ctx := context.Background()
+	sys, l1Client, game, correctTrace := setupDisputeGameForInvalidOutputRoot(t, common.Hash{0xab})
+	t.Cleanup(sys.Close)
+
+	maxDepth := game.MaxDepth(ctx)
+
+	// Now maliciously play the game and it should be impossible to win
+
+	for claimCount := int64(1); claimCount < maxDepth; {
+		// Attack everything but oddly using the correct hash.
+		correctTrace.Attack(ctx, claimCount-1)
+		claimCount++
+		game.LogGameData(ctx)
+		game.WaitForClaimCount(ctx, claimCount)
+
+		game.LogGameData(ctx)
+		// Wait for the challenger to counter
+		claimCount++
+		game.WaitForClaimCount(ctx, claimCount)
+	}
+
+	game.LogGameData(ctx)
+	// Wait for the challenger to call step and counter our invalid claim
+	game.WaitForClaimAtMaxDepth(ctx, false)
+
+	// It's on us to call step if we want to win but shouldn't be possible
+	// Need to add support for this to the helper
+
+	// Time travel past when the game will be resolvable.
+	sys.TimeTravelClock.AdvanceTime(game.GameDuration(ctx))
+	require.NoError(t, wait.ForNextBlock(ctx, l1Client))
+
+	game.WaitForGameStatus(ctx, disputegame.StatusDefenderWins)
+	game.LogGameData(ctx)
+}
+
+// setupDisputeGameForInvalidOutputRoot sets up an L2 chain with at least one valid output root followed by an invalid output root.
+// A cannon dispute game is started to dispute the invalid output root with the correct root claim provided.
+// An honest challenger is run to defend the root claim (ie disagree with the invalid output root).
+func setupDisputeGameForInvalidOutputRoot(t *testing.T, outputRoot common.Hash) (*System, *ethclient.Client, *disputegame.CannonGameHelper, *disputegame.HonestHelper) {
+	ctx := context.Background()
+	sys, l1Client := startFaultDisputeSystem(t)
+
+	l2oo := l2oo2.NewL2OOHelper(t, sys.cfg.L1Deployments, l1Client, sys.cfg.Secrets.Proposer, sys.RollupConfig)
+
+	// Wait for one valid output root to be submitted
+	l2oo.WaitForProposals(ctx, 1)
+
+	// Stop the honest output submitter so we can publish invalid outputs
+	sys.L2OutputSubmitter.Stop()
+	sys.L2OutputSubmitter = nil
+
+	// Submit an invalid output rooot
+	l2oo.PublishNextOutput(ctx, outputRoot)
+
+	l1Endpoint := sys.NodeEndpoint("l1")
+	l2Endpoint := sys.NodeEndpoint("sequencer")
+
+	// Dispute the new output root by creating a new game with the correct cannon trace.
+	disputeGameFactory := disputegame.NewFactoryHelper(t, ctx, sys.cfg.L1Deployments, l1Client)
+	game, correctTrace := disputeGameFactory.StartCannonGameWithCorrectRoot(ctx, sys.RollupConfig, sys.L2GenesisCfg, l1Endpoint, l2Endpoint,
+		challenger.WithPrivKey(sys.cfg.Secrets.Mallory),
+	)
+	require.NotNil(t, game)
+
+	// Start the honest challenger
+	game.StartChallenger(ctx, sys.RollupConfig, sys.L2GenesisCfg, l1Endpoint, l2Endpoint, "Defender",
+		// Disagree with the proposed output, so agree with the (correct) root claim
+		challenger.WithAgreeProposedOutput(false),
+		challenger.WithPrivKey(sys.cfg.Secrets.Mallory),
+	)
+	return sys, l1Client, game, correctTrace
+}
+
 func TestCannonChallengeWithCorrectRoot(t *testing.T) {
 	t.Skip("Not currently handling this case as the correct approach will change when output root bisection is added")
 	InitParallel(t)

op-e2e/l2_gossip_test.go

+package op_e2e
+
+import (
+	"testing"
+
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
+	"github.com/ethereum/go-ethereum/common"
+	"github.com/stretchr/testify/require"
+)
+
+func TestTxGossip(t *testing.T) {
+	InitParallel(t)
+	cfg := DefaultSystemConfig(t)
+	gethOpts := []geth.GethOption{
+		geth.WithP2P(),
+	}
+	cfg.GethOptions["sequencer"] = gethOpts
+	cfg.GethOptions["verifier"] = gethOpts
+	sys, err := cfg.Start(t)
+	require.NoError(t, err, "Start system")
+
+	seqClient := sys.Clients["sequencer"]
+	verifClient := sys.Clients["verifier"]
+	geth.ConnectP2P(t, seqClient, verifClient)
+
+	// Send a transaction to the verifier and it should be gossiped to the sequencer and included in a block.
+	SendL2Tx(t, cfg, verifClient, cfg.Secrets.Alice, func(opts *TxOpts) {
+		opts.ToAddr = &common.Address{0xaa}
+		opts.Value = common.Big1
+		opts.VerifyOnClients(seqClient, verifClient)
+	})
+}

op-e2e/op_geth.go

@@ -11,6 +11,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-chain-ops/genesis"
 	"github.com/ethereum-optimism/optimism/op-e2e/config"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum-optimism/optimism/op-node/client"
 	"github.com/ethereum-optimism/optimism/op-node/rollup"
 	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
@@ -72,7 +73,7 @@ func NewOpGeth(t *testing.T, ctx context.Context, cfg *SystemConfig) (*OpGeth, e
 		SystemConfig: e2eutils.SystemConfigFromDeployConfig(cfg.DeployConfig),
 	}
 
-	node, _, err := initL2Geth("l2", big.NewInt(int64(cfg.DeployConfig.L2ChainID)), l2Genesis, cfg.JWTFilePath)
+	node, _, err := geth.InitL2("l2", big.NewInt(int64(cfg.DeployConfig.L2ChainID)), l2Genesis, cfg.JWTFilePath)
 	require.Nil(t, err)
 	require.Nil(t, node.Start())
 

op-e2e/setup.go

@@ -14,6 +14,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum-optimism/optimism/op-node/p2p/store"
 	"github.com/ethereum-optimism/optimism/op-service/clock"
 	ds "github.com/ipfs/go-datastore"
@@ -84,7 +85,7 @@ func DefaultSystemConfig(t *testing.T) SystemConfig {
 	require.NoError(t, err)
 	deployConfig := config.DeployConfig.Copy()
 	deployConfig.L1GenesisBlockTimestamp = hexutil.Uint64(time.Now().Unix())
-	require.NoError(t, deployConfig.Check())
+	require.NoError(t, deployConfig.Check(), "Deploy config is invalid, do you need to run make devnet-allocs?")
 	l1Deployments := config.L1Deployments.Copy()
 	require.NoError(t, l1Deployments.Check())
 
@@ -138,7 +139,7 @@ func DefaultSystemConfig(t *testing.T) SystemConfig {
 			"batcher":   testlog.Logger(t, log.LvlInfo).New("role", "batcher"),
 			"proposer":  testlog.Logger(t, log.LvlCrit).New("role", "proposer"),
 		},
-		GethOptions:                map[string][]GethOption{},
+		GethOptions:                map[string][]geth.GethOption{},
 		P2PTopology:                nil, // no P2P connectivity by default
 		NonFinalizedProposals:      false,
 		ExternalL2Shim:             config.ExternalL2Shim,
@@ -173,7 +174,7 @@ type SystemConfig struct {
 	Premine        map[common.Address]*big.Int
 	Nodes          map[string]*rollupNode.Config // Per node config. Don't use populate rollup.Config
 	Loggers        map[string]log.Logger
-	GethOptions    map[string][]GethOption
+	GethOptions    map[string][]geth.GethOption
 	ProposerLogger log.Logger
 	BatcherLogger  log.Logger
 
@@ -424,7 +425,7 @@ func (cfg SystemConfig) Start(t *testing.T, _opts ...SystemConfigOption) (*Syste
 	sys.RollupConfig = &defaultConfig
 
 	// Initialize nodes
-	l1Node, l1Backend, err := initL1Geth(&cfg, l1Genesis, c, cfg.GethOptions["l1"]...)
+	l1Node, l1Backend, err := geth.InitL1(cfg.DeployConfig.L1ChainID, cfg.DeployConfig.L1BlockTime, l1Genesis, c, cfg.GethOptions["l1"]...)
 	if err != nil {
 		return nil, err
 	}
@@ -441,7 +442,7 @@ func (cfg SystemConfig) Start(t *testing.T, _opts ...SystemConfigOption) (*Syste
 	for name := range cfg.Nodes {
 		var ethClient EthInstance
 		if cfg.ExternalL2Shim == "" {
-			node, backend, err := initL2Geth(name, big.NewInt(int64(cfg.DeployConfig.L2ChainID)), l2Genesis, cfg.JWTFilePath, cfg.GethOptions[name]...)
+			node, backend, err := geth.InitL2(name, big.NewInt(int64(cfg.DeployConfig.L2ChainID)), l2Genesis, cfg.JWTFilePath, cfg.GethOptions[name]...)
 			if err != nil {
 				return nil, err
 			}
@@ -457,7 +458,7 @@ func (cfg SystemConfig) Start(t *testing.T, _opts ...SystemConfigOption) (*Syste
 			ethClient = gethInst
 		} else {
 			if len(cfg.GethOptions[name]) > 0 {
-				t.Errorf("External L2 nodes do not support configuration through GethOptions")
+				t.Skip("External L2 nodes do not support configuration through GethOptions")
 			}
 			ethClient = (&ExternalRunner{
 				Name:    name,
@@ -505,7 +506,7 @@ func (cfg SystemConfig) Start(t *testing.T, _opts ...SystemConfigOption) (*Syste
 		sys.Clients[name] = client
 	}
 
-	_, err = waitForBlock(big.NewInt(2), l1Client, 6*time.Second*time.Duration(cfg.DeployConfig.L1BlockTime))
+	_, err = geth.WaitForBlock(big.NewInt(2), l1Client, 6*time.Second*time.Duration(cfg.DeployConfig.L1BlockTime))
 	if err != nil {
 		return nil, fmt.Errorf("waiting for blocks: %w", err)
 	}

op-e2e/system_fpp_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum-optimism/optimism/op-node/client"
 	"github.com/ethereum-optimism/optimism/op-node/sources"
 	"github.com/ethereum-optimism/optimism/op-node/testlog"
@@ -99,7 +100,7 @@ func testVerifyL2OutputRootEmptyBlock(t *testing.T, detached bool) {
 	t.Log("Wait for sequencer to catch up with last submitted batch")
 	l1HeadNum, err := l1Client.BlockNumber(ctx)
 	require.NoError(t, err)
-	_, err = waitForL1OriginOnL2(l1HeadNum, l2Seq, 30*time.Second)
+	_, err = geth.WaitForL1OriginOnL2(l1HeadNum, l2Seq, 30*time.Second)
 	require.NoError(t, err)
 
 	// Get the current safe head now that the batcher is stopped

op-e2e/system_test.go

@@ -9,9 +9,9 @@ import (
 	"testing"
 	"time"
 
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum/go-ethereum"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
-	"github.com/ethereum/go-ethereum/accounts/keystore"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
 	"github.com/ethereum/go-ethereum/core/types"
@@ -88,7 +88,7 @@ func TestL2OutputSubmitter(t *testing.T) {
 	// for that block and subsequently reorgs to match what the verifier derives when running the
 	// reconcillation process.
 	l2Verif := sys.Clients["verifier"]
-	_, err = waitForBlock(big.NewInt(6), l2Verif, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+	_, err = geth.WaitForBlock(big.NewInt(6), l2Verif, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
 	require.Nil(t, err)
 
 	// Wait for batch submitter to update L2 output oracle.
@@ -260,14 +260,14 @@ func TestPendingGasLimit(t *testing.T) {
 
 	// configure the L2 gas limit to be high, and the pending gas limits to be lower for resource saving.
 	cfg.DeployConfig.L2GenesisBlockGasLimit = 30_000_000
-	cfg.GethOptions["sequencer"] = []GethOption{
+	cfg.GethOptions["sequencer"] = []geth.GethOption{
 		func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error {
 			ethCfg.Miner.GasCeil = 10_000_000
 			ethCfg.Miner.RollupComputePendingBlock = true
 			return nil
 		},
 	}
-	cfg.GethOptions["verifier"] = []GethOption{
+	cfg.GethOptions["verifier"] = []geth.GethOption{
 		func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error {
 			ethCfg.Miner.GasCeil = 9_000_000
 			ethCfg.Miner.RollupComputePendingBlock = true
@@ -337,67 +337,6 @@ func TestFinalize(t *testing.T) {
 	require.NotZerof(t, l2Finalized.NumberU64(), "must have finalized L2 block")
 }
 
-func TestMintOnRevertedDeposit(t *testing.T) {
-	InitParallel(t)
-	cfg := DefaultSystemConfig(t)
-
-	sys, err := cfg.Start(t)
-	require.Nil(t, err, "Error starting up system")
-	defer sys.Close()
-
-	l1Client := sys.Clients["l1"]
-	l2Verif := sys.Clients["verifier"]
-
-	l1Node := sys.EthInstances["l1"].(*GethInstance).Node
-
-	// create signer
-	ks := l1Node.AccountManager().Backends(keystore.KeyStoreType)[0].(*keystore.KeyStore)
-	opts, err := bind.NewKeyStoreTransactorWithChainID(ks, ks.Accounts()[0], cfg.L1ChainIDBig())
-	require.Nil(t, err)
-	fromAddr := opts.From
-
-	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
-	startBalance, err := l2Verif.BalanceAt(ctx, fromAddr, nil)
-	cancel()
-	require.Nil(t, err)
-
-	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
-	startNonce, err := l2Verif.NonceAt(ctx, fromAddr, nil)
-	require.NoError(t, err)
-	cancel()
-
-	toAddr := common.Address{0xff, 0xff}
-	mintAmount := big.NewInt(9_000_000)
-	opts.Value = mintAmount
-	SendDepositTx(t, cfg, l1Client, l2Verif, opts, func(l2Opts *DepositTxOpts) {
-		l2Opts.ToAddr = toAddr
-		// trigger a revert by transferring more than we have available
-		l2Opts.Value = new(big.Int).Mul(common.Big2, startBalance)
-		l2Opts.ExpectedStatus = types.ReceiptStatusFailed
-	})
-
-	// Confirm balance
-	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
-	endBalance, err := l2Verif.BalanceAt(ctx, fromAddr, nil)
-	cancel()
-	require.Nil(t, err)
-	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
-	toAddrBalance, err := l2Verif.BalanceAt(ctx, toAddr, nil)
-	require.NoError(t, err)
-	cancel()
-
-	diff := new(big.Int)
-	diff = diff.Sub(endBalance, startBalance)
-	require.Equal(t, mintAmount, diff, "Did not get expected balance change")
-	require.Equal(t, common.Big0.Int64(), toAddrBalance.Int64(), "The recipient account balance should be zero")
-
-	ctx, cancel = context.WithTimeout(context.Background(), 1*time.Second)
-	endNonce, err := l2Verif.NonceAt(ctx, fromAddr, nil)
-	require.NoError(t, err)
-	cancel()
-	require.Equal(t, startNonce+1, endNonce, "Nonce of deposit sender should increment on L2, even if the deposit fails")
-}
-
 func TestMissingBatchE2E(t *testing.T) {
 	InitParallel(t)
 	// Note this test zeroes the balance of the batch-submitter to make the batches unable to go into L1.
@@ -431,7 +370,7 @@ func TestMissingBatchE2E(t *testing.T) {
 	})
 
 	// Wait until the block it was first included in shows up in the safe chain on the verifier
-	_, err = waitForBlock(receipt.BlockNumber, l2Verif, time.Duration((sys.RollupConfig.SeqWindowSize+4)*cfg.DeployConfig.L1BlockTime)*time.Second)
+	_, err = geth.WaitForBlock(receipt.BlockNumber, l2Verif, time.Duration((sys.RollupConfig.SeqWindowSize+4)*cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.Nil(t, err, "Waiting for block on verifier")
 
 	// Assert that the transaction is not found on the verifier
@@ -762,7 +701,7 @@ func TestSystemP2PAltSync(t *testing.T) {
 		},
 	}
 	configureL1(syncNodeCfg, sys.EthInstances["l1"])
-	syncerL2Engine, _, err := initL2Geth("syncer", big.NewInt(int64(cfg.DeployConfig.L2ChainID)), sys.L2GenesisCfg, cfg.JWTFilePath)
+	syncerL2Engine, _, err := geth.InitL2("syncer", big.NewInt(int64(cfg.DeployConfig.L2ChainID)), sys.L2GenesisCfg, cfg.JWTFilePath)
 	require.NoError(t, err)
 	require.NoError(t, syncerL2Engine.Start())
 
@@ -784,7 +723,7 @@ func TestSystemP2PAltSync(t *testing.T) {
 	l2Verif := ethclient.NewClient(rpc)
 
 	// It may take a while to sync, but eventually we should see the sequenced data show up
-	receiptVerif, err := waitForTransaction(receiptSeq.TxHash, l2Verif, 100*time.Duration(sys.RollupConfig.BlockTime)*time.Second)
+	receiptVerif, err := geth.WaitForTransaction(receiptSeq.TxHash, l2Verif, 100*time.Duration(sys.RollupConfig.BlockTime)*time.Second)
 	require.Nil(t, err, "Waiting for L2 tx on verifier")
 
 	require.Equal(t, receiptSeq, receiptVerif)
@@ -914,9 +853,9 @@ func TestL1InfoContract(t *testing.T) {
 
 	endVerifBlockNumber := big.NewInt(4)
 	endSeqBlockNumber := big.NewInt(6)
-	endVerifBlock, err := waitForBlock(endVerifBlockNumber, l2Verif, time.Minute)
+	endVerifBlock, err := geth.WaitForBlock(endVerifBlockNumber, l2Verif, time.Minute)
 	require.Nil(t, err)
-	endSeqBlock, err := waitForBlock(endSeqBlockNumber, l2Seq, time.Minute)
+	endSeqBlock, err := geth.WaitForBlock(endSeqBlockNumber, l2Seq, time.Minute)
 	require.Nil(t, err)
 
 	seqL1Info, err := bindings.NewL1Block(cfg.L1InfoPredeployAddress, l2Seq)
@@ -1313,7 +1252,7 @@ func TestStopStartBatcher(t *testing.T) {
 
 	// wait until the block the tx was first included in shows up in the safe chain on the verifier
 	safeBlockInclusionDuration := time.Duration(6*cfg.DeployConfig.L1BlockTime) * time.Second
-	_, err = waitForBlock(receipt.BlockNumber, l2Verif, safeBlockInclusionDuration)
+	_, err = geth.WaitForBlock(receipt.BlockNumber, l2Verif, safeBlockInclusionDuration)
 	require.Nil(t, err, "Waiting for block on verifier")
 
 	// ensure the safe chain advances
@@ -1350,7 +1289,7 @@ func TestStopStartBatcher(t *testing.T) {
 	receipt = sendTx()
 
 	// wait until the block the tx was first included in shows up in the safe chain on the verifier
-	_, err = waitForBlock(receipt.BlockNumber, l2Verif, safeBlockInclusionDuration)
+	_, err = geth.WaitForBlock(receipt.BlockNumber, l2Verif, safeBlockInclusionDuration)
 	require.Nil(t, err, "Waiting for block on verifier")
 
 	// ensure that the safe chain advances after restarting the batcher
@@ -1372,7 +1311,7 @@ func TestBatcherMultiTx(t *testing.T) {
 	l1Client := sys.Clients["l1"]
 	l2Seq := sys.Clients["sequencer"]
 
-	_, err = waitForBlock(big.NewInt(10), l2Seq, time.Duration(cfg.DeployConfig.L2BlockTime*15)*time.Second)
+	_, err = geth.WaitForBlock(big.NewInt(10), l2Seq, time.Duration(cfg.DeployConfig.L2BlockTime*15)*time.Second)
 	require.Nil(t, err, "Waiting for L2 blocks")
 
 	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
@@ -1389,7 +1328,7 @@ func TestBatcherMultiTx(t *testing.T) {
 	// possible additional L1 blocks will be created before the batcher starts,
 	// so we wait additional blocks.
 	for i := int64(0); i < 10; i++ {
-		block, err := waitForBlock(big.NewInt(int64(l1Number)+i), l1Client, time.Duration(cfg.DeployConfig.L1BlockTime*5)*time.Second)
+		block, err := geth.WaitForBlock(big.NewInt(int64(l1Number)+i), l1Client, time.Duration(cfg.DeployConfig.L1BlockTime*5)*time.Second)
 		require.Nil(t, err, "Waiting for l1 blocks")
 		totalTxCount += len(block.Transactions())
 

op-e2e/system_tob_test.go

@@ -13,6 +13,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
 	"github.com/ethereum-optimism/optimism/op-node/testutils/fuzzerutils"
 	"github.com/ethereum-optimism/optimism/op-node/withdrawals"
@@ -70,11 +71,11 @@ func TestGasPriceOracleFeeUpdates(t *testing.T) {
 	cancel()
 	require.Nil(t, err, "sending overhead update tx")
 
-	receipt, err := waitForTransaction(tx.Hash(), l1Client, txTimeoutDuration)
+	receipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, txTimeoutDuration)
 	require.Nil(t, err, "waiting for sysconfig set gas config update tx")
 	require.Equal(t, receipt.Status, types.ReceiptStatusSuccessful, "transaction failed")
 
-	_, err = waitForL1OriginOnL2(receipt.BlockNumber.Uint64(), l2Seq, txTimeoutDuration)
+	_, err = geth.WaitForL1OriginOnL2(receipt.BlockNumber.Uint64(), l2Seq, txTimeoutDuration)
 	require.NoError(t, err, "waiting for L2 block to include the sysconfig update")
 
 	gpoOverhead, err := gpoContract.Overhead(&bind.CallOpts{})
@@ -97,11 +98,11 @@ func TestGasPriceOracleFeeUpdates(t *testing.T) {
 	cancel()
 	require.Nil(t, err, "sending overhead update tx")
 
-	receipt, err = waitForTransaction(tx.Hash(), l1Client, txTimeoutDuration)
+	receipt, err = geth.WaitForTransaction(tx.Hash(), l1Client, txTimeoutDuration)
 	require.Nil(t, err, "waiting for sysconfig set gas config update tx")
 	require.Equal(t, receipt.Status, types.ReceiptStatusSuccessful, "transaction failed")
 
-	_, err = waitForL1OriginOnL2(receipt.BlockNumber.Uint64(), l2Seq, txTimeoutDuration)
+	_, err = geth.WaitForL1OriginOnL2(receipt.BlockNumber.Uint64(), l2Seq, txTimeoutDuration)
 	require.NoError(t, err, "waiting for L2 block to include the sysconfig update")
 
 	gpoOverhead, err = gpoContract.Overhead(&bind.CallOpts{})
@@ -504,7 +505,7 @@ func TestMixedWithdrawalValidity(t *testing.T) {
 			require.Nil(t, err, "sending initiate withdraw tx")
 
 			t.Logf("Waiting for tx %s to be in sequencer", tx.Hash().Hex())
-			receiptSeq, err := waitForTransaction(tx.Hash(), l2Seq, txTimeoutDuration)
+			receiptSeq, err := geth.WaitForTransaction(tx.Hash(), l2Seq, txTimeoutDuration)
 			require.Nil(t, err, "withdrawal initiated on L2 sequencer")
 			require.Equal(t, receiptSeq.Status, types.ReceiptStatusSuccessful, "transaction failed")
 
@@ -513,7 +514,7 @@ func TestMixedWithdrawalValidity(t *testing.T) {
 
 			t.Logf("Waiting for tx %s to be in verifier. Verifier tip is %s:%d. Included in sequencer in block %s:%d", tx.Hash().Hex(), verifierTip.Hash().Hex(), verifierTip.NumberU64(), receiptSeq.BlockHash.Hex(), receiptSeq.BlockNumber)
 			// Wait for the transaction to appear in L2 verifier
-			receipt, err := waitForTransaction(tx.Hash(), l2Verif, txTimeoutDuration)
+			receipt, err := geth.WaitForTransaction(tx.Hash(), l2Verif, txTimeoutDuration)
 			require.Nilf(t, err, "withdrawal tx %s not found in verifier. included in block %s:%d", tx.Hash().Hex(), receiptSeq.BlockHash.Hex(), receiptSeq.BlockNumber)
 			require.Equal(t, receipt.Status, types.ReceiptStatusSuccessful, "transaction failed")
 
@@ -638,7 +639,7 @@ func TestMixedWithdrawalValidity(t *testing.T) {
 			} else {
 				require.NoError(t, err)
 
-				receipt, err = waitForTransaction(tx.Hash(), l1Client, txTimeoutDuration)
+				receipt, err = geth.WaitForTransaction(tx.Hash(), l1Client, txTimeoutDuration)
 				require.Nil(t, err, "finalize withdrawal")
 				require.Equal(t, types.ReceiptStatusSuccessful, receipt.Status)
 
@@ -656,7 +657,7 @@ func TestMixedWithdrawalValidity(t *testing.T) {
 				transactor.ExpectedL1Nonce++
 
 				// Ensure that our withdrawal was proved successfully
-				proveReceipt, err := waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+				proveReceipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 				require.Nil(t, err, "prove withdrawal")
 				require.Equal(t, types.ReceiptStatusSuccessful, proveReceipt.Status)
 

op-e2e/tx_helper.go

@@ -8,6 +8,7 @@ import (
 	"time"
 
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/transactions"
 	"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
@@ -21,7 +22,8 @@ import (
 // The L1 transaction, including sender, is configured by the l1Opts param.
 // The L2 transaction options can be configured by modifying the DepositTxOps value supplied to applyL2Opts
 // Will verify that the transaction is included with the expected status on L1 and L2
-func SendDepositTx(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l2Client *ethclient.Client, l1Opts *bind.TransactOpts, applyL2Opts DepositTxOptsFn) {
+// Returns the receipt of the L2 transaction
+func SendDepositTx(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l2Client *ethclient.Client, l1Opts *bind.TransactOpts, applyL2Opts DepositTxOptsFn) *types.Receipt {
 	l2Opts := defaultDepositTxOpts(l1Opts)
 	applyL2Opts(l2Opts)
 
@@ -38,16 +40,17 @@ func SendDepositTx(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client, l
 	require.Nil(t, err, "with deposit tx")
 
 	// Wait for transaction on L1
-	receipt, err := waitForTransaction(tx.Hash(), l1Client, 10*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	l1Receipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, 10*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.Nil(t, err, "Waiting for deposit tx on L1")
 
 	// Wait for transaction to be included on L2
-	reconstructedDep, err := derive.UnmarshalDepositLogEvent(receipt.Logs[0])
+	reconstructedDep, err := derive.UnmarshalDepositLogEvent(l1Receipt.Logs[0])
 	require.NoError(t, err, "Could not reconstruct L2 Deposit")
 	tx = types.NewTx(reconstructedDep)
-	receipt, err = waitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+	l2Receipt, err := geth.WaitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
 	require.NoError(t, err)
-	require.Equal(t, l2Opts.ExpectedStatus, receipt.Status, "l2 transaction status")
+	require.Equal(t, l2Opts.ExpectedStatus, l2Receipt.Status, "l2 transaction status")
+	return l2Receipt
 }
 
 type DepositTxOptsFn func(l2Opts *DepositTxOpts)
@@ -91,16 +94,16 @@ func SendL2Tx(t *testing.T, cfg SystemConfig, l2Client *ethclient.Client, privKe
 	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
 	defer cancel()
 	err := l2Client.SendTransaction(ctx, tx)
-	require.Nil(t, err, "Sending L2 tx")
+	require.NoError(t, err, "Sending L2 tx")
 
-	receipt, err := waitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
-	require.Nil(t, err, "Waiting for L2 tx")
+	receipt, err := geth.WaitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+	require.NoError(t, err, "Waiting for L2 tx")
 	require.Equal(t, opts.ExpectedStatus, receipt.Status, "TX should have expected status")
 
 	for i, client := range opts.VerifyClients {
 		t.Logf("Waiting for tx %v on verification client %d", tx.Hash(), i)
-		receiptVerif, err := waitForTransaction(tx.Hash(), client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
-		require.Nilf(t, err, "Waiting for L2 tx on verification client %d", i)
+		receiptVerif, err := geth.WaitForTransaction(tx.Hash(), client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+		require.NoErrorf(t, err, "Waiting for L2 tx on verification client %d", i)
 		require.Equalf(t, receipt, receiptVerif, "Receipts should be the same on sequencer and verification client %d", i)
 	}
 	return receipt

op-e2e/withdrawal_helper.go

@@ -10,6 +10,7 @@ import (
 	"github.com/ethereum-optimism/optimism/op-bindings/bindings"
 	"github.com/ethereum-optimism/optimism/op-bindings/predeploys"
 	"github.com/ethereum-optimism/optimism/op-e2e/config"
+	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
 	"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
 	"github.com/ethereum-optimism/optimism/op-node/withdrawals"
 	"github.com/ethereum/go-ethereum/accounts/abi/bind"
@@ -36,13 +37,13 @@ func SendWithdrawal(t *testing.T, cfg SystemConfig, l2Client *ethclient.Client,
 	tx, err := l2withdrawer.InitiateWithdrawal(l2opts, l2opts.From, big.NewInt(int64(opts.Gas)), opts.Data)
 	require.Nil(t, err, "sending initiate withdraw tx")
 
-	receipt, err := waitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	receipt, err := geth.WaitForTransaction(tx.Hash(), l2Client, 10*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.Nil(t, err, "withdrawal initiated on L2 sequencer")
 	require.Equal(t, opts.ExpectedStatus, receipt.Status, "transaction had incorrect status")
 
 	for i, client := range opts.VerifyClients {
 		t.Logf("Waiting for tx %v on verification client %d", tx.Hash(), i)
-		receiptVerif, err := waitForTransaction(tx.Hash(), client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
+		receiptVerif, err := geth.WaitForTransaction(tx.Hash(), client, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
 		require.Nilf(t, err, "Waiting for L2 tx on verification client %d", i)
 		require.Equalf(t, receipt, receiptVerif, "Receipts should be the same on sequencer and verification client %d", i)
 	}
@@ -134,7 +135,7 @@ func ProveWithdrawal(t *testing.T, cfg SystemConfig, l1Client *ethclient.Client,
 	require.Nil(t, err)
 
 	// Ensure that our withdrawal was proved successfully
-	proveReceipt, err := waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	proveReceipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.Nil(t, err, "prove withdrawal")
 	require.Equal(t, types.ReceiptStatusSuccessful, proveReceipt.Status)
 	return params, proveReceipt
@@ -167,7 +168,7 @@ func FinalizeWithdrawal(t *testing.T, cfg SystemConfig, l1Client *ethclient.Clie
 	require.Nil(t, err)
 
 	// Ensure that our withdrawal was finalized successfully
-	finalizeReceipt, err := waitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
+	finalizeReceipt, err := geth.WaitForTransaction(tx.Hash(), l1Client, 3*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
 	require.Nil(t, err, "finalize withdrawal")
 	require.Equal(t, types.ReceiptStatusSuccessful, finalizeReceipt.Status)
 	return finalizeReceipt

op-exporter/go.mod

@@ -3,8 +3,8 @@ module github.com/ethereum-optimism/optimism/op-exporter
 go 1.20
 
 require (
-	github.com/ethereum/go-ethereum v1.10.17
-	github.com/prometheus/client_golang v1.11.1
+	github.com/ethereum/go-ethereum v1.12.1
+	github.com/prometheus/client_golang v1.14.0
 	github.com/sirupsen/logrus v1.7.0
 	github.com/ybbus/jsonrpc v2.1.2+incompatible
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
@@ -16,30 +16,30 @@ require (
 	github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751 // indirect
 	github.com/alecthomas/units v0.0.0-20190924025748-f65c72e2690d // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
-	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cespare/xxhash/v2 v2.2.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
 	github.com/go-logr/logr v0.4.0 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
 	github.com/golang/protobuf v1.5.2 // indirect
-	github.com/google/go-cmp v0.5.8 // indirect
+	github.com/google/go-cmp v0.5.9 // indirect
 	github.com/google/gofuzz v1.1.1-0.20200604201612-c04b05f3adfa // indirect
 	github.com/googleapis/gnostic v0.4.1 // indirect
-	github.com/json-iterator/go v1.1.11 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.1 // indirect
+	github.com/json-iterator/go v1.1.12 // indirect
+	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
-	github.com/modern-go/reflect2 v1.0.1 // indirect
+	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/onsi/gomega v1.16.0 // indirect
-	github.com/prometheus/client_model v0.2.0 // indirect
-	github.com/prometheus/common v0.30.0 // indirect
-	github.com/prometheus/procfs v0.7.3 // indirect
-	golang.org/x/net v0.7.0 // indirect
-	golang.org/x/oauth2 v0.0.0-20210514164344-f6687ab2804c // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/term v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
-	golang.org/x/time v0.0.0-20220224211638-0e9765cccd65 // indirect
-	google.golang.org/appengine v1.6.6 // indirect
-	google.golang.org/protobuf v1.27.1 // indirect
+	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
+	golang.org/x/net v0.10.0 // indirect
+	golang.org/x/oauth2 v0.3.0 // indirect
+	golang.org/x/sys v0.9.0 // indirect
+	golang.org/x/term v0.8.0 // indirect
+	golang.org/x/text v0.9.0 // indirect
+	golang.org/x/time v0.3.0 // indirect
+	google.golang.org/appengine v1.6.7 // indirect
+	google.golang.org/protobuf v1.28.1 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	k8s.io/api v0.21.2 // indirect

op-exporter/go.sum

 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
-cloud.google.com/go v0.43.0/go.mod h1:BOSR3VbTLkk6FDC/TcffxP4NF/FFBGA5ku+jvKOP7pg=
 cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
 cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
 cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
 cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
 cloud.google.com/go v0.50.0/go.mod h1:r9sluTvynVuxRIOHXQEHMFffphuXHOMZMycpNR5e6To=
-cloud.google.com/go v0.51.0/go.mod h1:hWtGJ6gnXH+KgDv+V0zFGDvpi07n3z8ZNj3T1RW0Gcw=
 cloud.google.com/go v0.52.0/go.mod h1:pXajvRH/6o3+F9jDHZWQ5PbGhn+o8w9qiu/CffaVdO4=
 cloud.google.com/go v0.53.0/go.mod h1:fp/UouUEsRkN6ryDKNW/Upv/JBKnv6WDthjR6+vze6M=
 cloud.google.com/go v0.54.0/go.mod h1:1rq2OEkV3YMf6n/9ZvGWI3GWw0VoqH/1x2nd8Is/bPc=
-cloud.google.com/go v0.56.0/go.mod h1:jr7tqZxxKOVYizybht9+26Z/gUq7tiRzu+ACVAMbKVk=
-cloud.google.com/go v0.57.0/go.mod h1:oXiQ6Rzq3RAkkY7N6t3TcE6jE+CIBBbA36lwQ1JyzZs=
-cloud.google.com/go v0.62.0/go.mod h1:jmCYTdRCQuc1PHIIJ/maLInMho30T/Y0M4hTdTShOYc=
-cloud.google.com/go v0.65.0/go.mod h1:O5N8zS7uWy9vkA9vayVHs65eM1ubvY4h553ofrNHObY=
 cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
 cloud.google.com/go/bigquery v1.3.0/go.mod h1:PjpwJnslEMmckchkHFfq+HTD2DmtT67aNFKH1/VBDHE=
 cloud.google.com/go/bigquery v1.4.0/go.mod h1:S8dzgnTigyfTmLBfrtrhyYhwRxG72rYxvftPBK2Dvzc=
-cloud.google.com/go/bigquery v1.5.0/go.mod h1:snEHRnqQbz117VIFhE8bmtwIDY80NLUZUMb4Nv6dBIg=
-cloud.google.com/go/bigquery v1.7.0/go.mod h1://okPTzCYNXSlb24MZs83e2Do+h+VXtc4gLoIoXIAPc=
-cloud.google.com/go/bigquery v1.8.0/go.mod h1:J5hqkt3O0uAFnINi6JXValWIb1v0goeZM77hZzJN/fQ=
-cloud.google.com/go/bigtable v1.2.0/go.mod h1:JcVAOl45lrTmQfLj7T6TxyMzIN/3FGGcFm+2xVAli2o=
 cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
 cloud.google.com/go/datastore v1.1.0/go.mod h1:umbIZjpQpHh4hmRpGhH4tLFup+FVzqBi1b3c64qFpCk=
 cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
 cloud.google.com/go/pubsub v1.1.0/go.mod h1:EwwdRX2sKPjnvnqCa270oGRyludottCI76h+R3AArQw=
 cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIAii9o8iA=
-cloud.google.com/go/pubsub v1.3.1/go.mod h1:i+ucay31+CNRpDW4Lu78I4xXG+O1r/MAHgjpRVR+TSU=
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
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@@ -205,160 +104,79 @@ github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw
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@@ -494,7 +239,6 @@ golang.org/x/exp v0.0.0-20191227195350-da58074b4299/go.mod h1:2RIsYlXP63K8oxa1u0
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@@ -515,11 +259,9 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
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@@ -529,7 +271,6 @@ golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn
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@@ -539,62 +280,37 @@ golang.org/x/net v0.0.0-20200222125558-5a598a2470a0/go.mod h1:z5CRVTTTmAJ677TzLL
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@@ -687,7 +375,6 @@ golang.org/x/tools v0.0.0-20191125144606-a911d9008d1f/go.mod h1:b+2E5dAYhXwXZwtn
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@@ -695,31 +382,14 @@ golang.org/x/tools v0.0.0-20200204074204-1cc6d1ef6c74/go.mod h1:TB2adYChydJhpapK
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@@ -729,26 +399,19 @@ google.golang.org/api v0.14.0/go.mod h1:iLdEw5Ide6rF15KTC1Kkl0iskquN2gFfn9o9XIsb
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@@ -756,36 +419,20 @@ google.golang.org/genproto v0.0.0-20191108220845-16a3f7862a1a/go.mod h1:n3cpQtvx
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-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=
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
-google.golang.org/grpc v1.28.0/go.mod h1:rpkK4SK4GF4Ach/+MFLZUBavHOvF2JJB5uozKKal+60=
-google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
-google.golang.org/grpc v1.30.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
-google.golang.org/grpc v1.31.0/go.mod h1:N36X2cJ7JwdamYAgDz+s+rVMFjt3numwzf/HckM8pak=
 google.golang.org/protobuf v0.0.0-20200109180630-ec00e32a8dfd/go.mod h1:DFci5gLYBciE7Vtevhsrf46CRTquxDuWsQurQQe4oz8=
 google.golang.org/protobuf v0.0.0-20200221191635-4d8936d0db64/go.mod h1:kwYJMbMJ01Woi6D6+Kah6886xMZcty6N08ah7+eCXa0=
 google.golang.org/protobuf v0.0.0-20200228230310-ab0ca4ff8a60/go.mod h1:cfTl7dwQJ+fmap5saPgwCLgHXTUD7jkjRqWcaiX5VyM=
@@ -794,12 +441,11 @@ google.golang.org/protobuf v1.21.0/go.mod h1:47Nbq4nVaFHyn7ilMalzfO3qCViNmqZ2kzi
 google.golang.org/protobuf v1.22.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.0/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
 google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpADcykh3NcUnDUJcl1+ZksZNG86OlYog2l/sGQquU=
-google.golang.org/protobuf v1.24.0/go.mod h1:r/3tXBNzIEhYS9I1OUVjXDlt8tc493IdKGjtUeSXeh4=
 google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c=
 google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw=
 google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
-google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ=
-google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc=
+google.golang.org/protobuf v1.28.1 h1:d0NfwRgPtno5B1Wa6L2DAG+KivqkdutMf1UhdNx175w=
+google.golang.org/protobuf v1.28.1/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6 h1:jMFz6MfLP0/4fUyZle81rXUoxOBFi19VUFKVDOQfozc=
 gopkg.in/alecthomas/kingpin.v2 v2.2.6/go.mod h1:FMv+mEhP44yOT+4EoQTLFTRgOQ1FBLkstjWtayDeSgw=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
@@ -807,36 +453,26 @@ 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 v1.0.0-20200227125254-8fa46927fb4f/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/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
-gopkg.in/natefinch/npipe.v2 v2.0.0-20160621034901-c1b8fa8bdcce/go.mod h1:5AcXVHNjg+BDxry382+8OKon8SEWiKktQR07RKPsv1c=
-gopkg.in/olebedev/go-duktape.v3 v3.0.0-20200619000410-60c24ae608a6/go.mod h1:uAJfkITjFhyEEuUfm7bsmCZRbW5WRq8s9EY8HZ6hCns=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
-gopkg.in/urfave/cli.v1 v1.20.0/go.mod h1:vuBzUtMdQeixQj8LVd+/98pzhxNGQoyuPBlsXHOQNO0=
 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 v2.2.3/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.4/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
-gopkg.in/yaml.v2 v2.2.5/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gotest.tools v2.2.0+incompatible/go.mod h1:DsYFclhRJ6vuDpmuTbkuFWG+y2sxOXAzmJt81HFBacw=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 honnef.co/go/tools v0.0.1-2020.1.3/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.0.1-2020.1.4/go.mod h1:X/FiERA/W4tHapMX5mGpAtMSVEeEUOyHaw9vFzvIQ3k=
-honnef.co/go/tools v0.1.3/go.mod h1:NgwopIslSNH47DimFoV78dnkksY2EFtX0ajyb3K/las=
 k8s.io/api v0.21.2 h1:vz7DqmRsXTCSa6pNxXwQ1IYeAZgdIsua+DZU+o+SX3Y=
 k8s.io/api v0.21.2/go.mod h1:Lv6UGJZ1rlMI1qusN8ruAp9PUBFyBwpEHAdG24vIsiU=
 k8s.io/apimachinery v0.21.2 h1:vezUc/BHqWlQDnZ+XkrpXSmnANSLbpnlpwo0Lhk0gpc=
@@ -851,7 +487,6 @@ k8s.io/kube-openapi v0.0.0-20210305001622-591a79e4bda7/go.mod h1:wXW5VT87nVfh/iL
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920 h1:CbnUZsM497iRC5QMVkHwyl8s2tB3g7yaSHkYPkpgelw=
 k8s.io/utils v0.0.0-20201110183641-67b214c5f920/go.mod h1:jPW/WVKK9YHAvNhRxK0md/EJ228hCsBRufyofKtW8HA=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-rsc.io/pdf v0.1.1/go.mod h1:n8OzWcQ6Sp37PL01nO98y4iUCRdTGarVfzxY20ICaU4=
 rsc.io/quote/v3 v3.1.0/go.mod h1:yEA65RcK8LyAZtP9Kv3t0HmxON59tX3rD+tICJqUlj0=
 rsc.io/sampler v1.3.0/go.mod h1:T1hPZKmBbMNahiBKFy5HrXp6adAjACjK9JXDnKaTXpA=
 sigs.k8s.io/structured-merge-diff/v4 v4.0.2/go.mod h1:bJZC9H9iH24zzfZ/41RGcq60oK1F7G282QMXDPYydCw=

op-node/Dockerfile

@@ -4,19 +4,22 @@ ARG VERSION=v0.0.0
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 # build op-node with the shared go.mod & go.sum files
 COPY ./op-node /app/op-node
 COPY ./op-chain-ops /app/op-chain-ops
 COPY ./op-service /app/op-service
 COPY ./op-bindings /app/op-bindings
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 COPY ./.git /app/.git
 
 WORKDIR /app/op-node
 
-RUN go mod download
-
 ARG TARGETOS TARGETARCH
 
 RUN make op-node VERSION="$VERSION" GOOS=$TARGETOS GOARCH=$TARGETARCH

op-node/cmd/stateviz/main.go

@@ -18,8 +18,8 @@ import (
 	"sync"
 	"time"
 
-	ophttp "github.com/ethereum-optimism/optimism/op-node/http"
 	"github.com/ethereum-optimism/optimism/op-service/eth"
+	ophttp "github.com/ethereum-optimism/optimism/op-service/httputil"
 	"github.com/ethereum/go-ethereum/log"
 )
 

op-node/flags/p2p_flags.go

@@ -156,7 +156,6 @@ var (
 		Name:     "p2p.netrestrict",
 		Usage:    "Comma-separated list of CIDR masks. P2P will only try to connect on these networks",
 		Required: false,
-		Value:    "",
 		EnvVars:  p2pEnv("NETRESTRICT"),
 	}
 	HostMux = &cli.StringFlag{

op-node/metrics/metrics.go

@@ -10,8 +10,8 @@ import (
 	"strconv"
 	"time"
 
-	ophttp "github.com/ethereum-optimism/optimism/op-node/http"
 	"github.com/ethereum-optimism/optimism/op-node/p2p/store"
+	ophttp "github.com/ethereum-optimism/optimism/op-service/httputil"
 	"github.com/ethereum-optimism/optimism/op-service/metrics"
 
 	pb "github.com/libp2p/go-libp2p-pubsub/pb"

op-node/node/server.go

@@ -7,7 +7,7 @@ import (
 	"net/http"
 	"strconv"
 
-	ophttp "github.com/ethereum-optimism/optimism/op-node/http"
+	ophttp "github.com/ethereum-optimism/optimism/op-service/httputil"
 	"github.com/ethereum/go-ethereum/log"
 	"github.com/ethereum/go-ethereum/node"
 	"github.com/ethereum/go-ethereum/rpc"

op-node/p2p/cli/load_config.go

@@ -194,13 +194,14 @@ func loadDiscoveryOpts(conf *p2p.Config, ctx *cli.Context) error {
 		conf.Bootnodes = p2p.DefaultBootnodes
 	}
 
-	netRestrict, err := netutil.ParseNetlist(ctx.String(flags.NetRestrict.Name))
-	if err != nil {
-		return fmt.Errorf("failed to parse net list: %w", err)
+	if ctx.IsSet(flags.NetRestrict.Name) {
+		netRestrict, err := netutil.ParseNetlist(ctx.String(flags.NetRestrict.Name))
+		if err != nil {
+			return fmt.Errorf("failed to parse net list: %w", err)
+		}
+		conf.NetRestrict = netRestrict
 	}
 
-	conf.NetRestrict = netRestrict
-
 	return nil
 }
 

op-program/Dockerfile

@@ -4,6 +4,13 @@ ARG VERSION=v0.0.0
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 # build op-program with the shared go.mod & go.sum files
 COPY ./op-program /app/op-program
 COPY ./op-preimage /app/op-preimage
@@ -11,14 +18,10 @@ COPY ./op-node /app/op-node
 COPY ./op-chain-ops /app/op-chain-ops
 COPY ./op-service /app/op-service
 COPY ./op-bindings /app/op-bindings
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 COPY ./.git /app/.git
 
 WORKDIR /app/op-program
 
-RUN go mod download
-
 ARG TARGETOS TARGETARCH
 
 RUN make op-program VERSION="$VERSION" GOOS=$TARGETOS GOARCH=$TARGETARCH

op-program/host/kvstore/disk.go

@@ -37,7 +37,7 @@ func (d *DiskKV) pathKey(k common.Hash) string {
 func (d *DiskKV) Put(k common.Hash, v []byte) error {
 	d.Lock()
 	defer d.Unlock()
-	f, err := os.CreateTemp(d.path, k.String()+".txt.*")
+	f, err := openTempFile(d.path, k.String()+".txt.*")
 	if err != nil {
 		return fmt.Errorf("failed to open temp file for pre-image %s: %w", k, err)
 	}
@@ -57,6 +57,21 @@ func (d *DiskKV) Put(k common.Hash, v []byte) error {
 	return nil
 }
 
+func openTempFile(dir string, nameTemplate string) (*os.File, error) {
+	f, err := os.CreateTemp(dir, nameTemplate)
+	// Directory has been deleted out from underneath us. Recreate it.
+	if errors.Is(err, os.ErrNotExist) {
+		if mkdirErr := os.MkdirAll(dir, 0777); mkdirErr != nil {
+			return nil, errors.Join(fmt.Errorf("failed to create directory %v: %w", dir, mkdirErr), err)
+		}
+		f, err = os.CreateTemp(dir, nameTemplate)
+	}
+	if err != nil {
+		return nil, err
+	}
+	return f, nil
+}
+
 func (d *DiskKV) Get(k common.Hash) ([]byte, error) {
 	d.RLock()
 	defer d.RUnlock()

op-program/host/kvstore/disk_test.go

 package kvstore
 
-import "testing"
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/stretchr/testify/require"
+)
 
 func TestDiskKV(t *testing.T) {
 	tmp := t.TempDir() // automatically removed by testing cleanup
 	kv := NewDiskKV(tmp)
 	kvTest(t, kv)
 }
+
+func TestCreateMissingDirectory(t *testing.T) {
+	tmp := t.TempDir()
+	dir := filepath.Join(tmp, "data")
+	kv := NewDiskKV(dir)
+	val := []byte{1, 2, 3, 4}
+	key := crypto.Keccak256Hash(val)
+	require.NoError(t, kv.Put(key, val))
+}

op-proposer/Dockerfile

@@ -4,20 +4,23 @@ ARG VERSION=v0.0.0
 
 RUN apk add --no-cache make gcc musl-dev linux-headers git jq bash
 
+COPY ./go.mod /app/go.mod
+COPY ./go.sum /app/go.sum
+
+WORKDIR /app
+
+RUN go mod download
+
 # build op-proposer with the shared go.mod & go.sum files
 COPY ./op-proposer /app/op-proposer
 COPY ./op-bindings /app/op-bindings
 COPY ./op-node /app/op-node
 COPY ./op-service /app/op-service
 COPY ./op-signer /app/op-signer
-COPY ./go.mod /app/go.mod
-COPY ./go.sum /app/go.sum
 COPY ./.git /app/.git
 
 WORKDIR /app/op-proposer
 
-RUN go mod download
-
 ARG TARGETOS TARGETARCH
 
 RUN make op-proposer VERSION="$VERSION" GOOS=$TARGETOS GOARCH=$TARGETARCH

op-node/http/http.go → op-service/httputil/http.go

-package http
+package httputil
 
 import (
 	"net/http"

op-service/httputil/server.go

@@ -3,9 +3,7 @@ package httputil
 import (
 	"context"
 	"errors"
-	"fmt"
 	"net/http"
-	"time"
 )
 
 func ListenAndServeContext(ctx context.Context, server *http.Server) error {
@@ -14,15 +12,6 @@ func ListenAndServeContext(ctx context.Context, server *http.Server) error {
 		errCh <- server.ListenAndServe()
 	}()
 
-	// verify that the server comes up
-	tick := time.NewTimer(10 * time.Millisecond)
-	select {
-	case err := <-errCh:
-		return fmt.Errorf("http server failed: %w", err)
-	case <-tick.C:
-		break
-	}
-
 	select {
 	case err := <-errCh:
 		if errors.Is(err, http.ErrServerClosed) {

pnpm-lock.yaml

@@ -17,7 +17,7 @@ importers:
     devDependencies:
       '@babel/eslint-parser':
         specifier: ^7.18.2
-        version: 7.22.10(@babel/core@7.22.10)(eslint@8.47.0)
+        version: 7.22.15(@babel/core@7.22.10)(eslint@8.47.0)
       '@changesets/changelog-github':
         specifier: ^0.4.8
         version: 0.4.8
@@ -604,13 +604,6 @@ packages:
       '@babel/highlight': 7.22.10
       chalk: 2.4.2
 
-  /@babel/code-frame@7.22.5:
-    resolution: {integrity: sha512-Xmwn266vad+6DAqEB2A6V/CcZVp62BbwVmcOJc2RPuwih1kw02TjQvWVWlcKGbBPd+8/0V5DEkOcizRGYsspYQ==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/highlight': 7.22.10
-    dev: true
-
   /@babel/compat-data@7.22.9:
     resolution: {integrity: sha512-5UamI7xkUcJ3i9qVDS+KFDEK8/7oJ55/sJMB1Ge7IEapr7KfdfV/HErR+koZwOfd+SgtFKOKRhRakdg++DcJpQ==}
     engines: {node: '>=6.9.0'}
@@ -639,31 +632,8 @@ packages:
       - supports-color
     dev: true
 
-  /@babel/core@7.22.9:
-    resolution: {integrity: sha512-G2EgeufBcYw27U4hhoIwFcgc1XU7TlXJ3mv04oOv1WCuo900U/anZSPzEqNjwdjgffkk2Gs0AN0dW1CKVLcG7w==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@ampproject/remapping': 2.2.1
-      '@babel/code-frame': 7.22.10
-      '@babel/generator': 7.22.9
-      '@babel/helper-compilation-targets': 7.22.9(@babel/core@7.22.9)
-      '@babel/helper-module-transforms': 7.22.9(@babel/core@7.22.9)
-      '@babel/helpers': 7.22.6
-      '@babel/parser': 7.22.7
-      '@babel/template': 7.22.5
-      '@babel/traverse': 7.22.8
-      '@babel/types': 7.22.5
-      convert-source-map: 1.9.0
-      debug: 4.3.4(supports-color@8.1.1)
-      gensync: 1.0.0-beta.2
-      json5: 2.2.3
-      semver: 6.3.1
-    transitivePeerDependencies:
-      - supports-color
-    dev: true
-
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+  /@babel/eslint-parser@7.22.15(@babel/core@7.22.10)(eslint@8.47.0):
+    resolution: {integrity: sha512-yc8OOBIQk1EcRrpizuARSQS0TWAcOMpEJ1aafhNznaeYkeL+OhqnDObGFylB8ka8VFF/sZc+S4RzHyO+3LjQxg==}
     engines: {node: ^10.13.0 || ^12.13.0 || >=14.0.0}
     peerDependencies:
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@@ -686,26 +656,6 @@ packages:
       jsesc: 2.5.2
     dev: true
 
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-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/types': 7.22.5
-      '@jridgewell/gen-mapping': 0.3.3
-      '@jridgewell/trace-mapping': 0.3.19
-      jsesc: 2.5.2
-    dev: true
-
-  /@babel/generator@7.22.9:
-    resolution: {integrity: sha512-KtLMbmicyuK2Ak/FTCJVbDnkN1SlT8/kceFTiuDiiRUUSMnHMidxSCdG4ndkTOHHpoomWe/4xkvHkEOncwjYIw==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/types': 7.22.5
-      '@jridgewell/gen-mapping': 0.3.3
-      '@jridgewell/trace-mapping': 0.3.19
-      jsesc: 2.5.2
-    dev: true
-
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     resolution: {integrity: sha512-JMSwHD4J7SLod0idLq5PKgI+6g/hLD/iuWBq08ZX49xE14VpVEojJ5rHWptpirV2j020MvypRLAXAO50igCJ5Q==}
     engines: {node: '>=6.9.0'}
@@ -717,65 +667,31 @@ packages:
       semver: 6.3.1
     dev: true
 
-  /@babel/helper-compilation-targets@7.22.9(@babel/core@7.22.9):
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-    engines: {node: '>=6.9.0'}
-    peerDependencies:
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-    dependencies:
-      '@babel/compat-data': 7.22.9
-      '@babel/core': 7.22.9
-      '@babel/helper-validator-option': 7.22.5
-      browserslist: 4.21.9
-      lru-cache: 5.1.1
-      semver: 6.3.1
-    dev: true
-
-  /@babel/helper-environment-visitor@7.18.2:
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-    engines: {node: '>=6.9.0'}
-    dev: true
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     engines: {node: '>=6.9.0'}
     dev: true
 
-  /@babel/helper-function-name@7.17.9:
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-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/template': 7.22.5
-      '@babel/types': 7.22.5
-    dev: true
-
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     resolution: {integrity: sha512-wtHSq6jMRE3uF2otvfuD3DIvVhOsSNshQl0Qrd7qC9oQJzHvOL4qQXlQn2916+CXGywIjpGuIkoyZRRxHPiNQQ==}
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/template': 7.22.5
-      '@babel/types': 7.22.5
-    dev: true
-
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-    resolution: {integrity: sha512-m04d/0Op34H5v7pbZw6pSKP7weA6lsMvfiIAMeIvkY/R4xQtBSMFEigu9QTZ2qB/9l22vsxtM8a+Q8CzD255fg==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/types': 7.22.5
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/helper-hoist-variables@7.22.5:
     resolution: {integrity: sha512-wGjk9QZVzvknA6yKIUURb8zY3grXCcOZt+/7Wcy8O2uctxhplmUPkOdlgoNhmdVee2c92JXbf1xpMtVNbfoxRw==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.22.5
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/helper-module-imports@7.22.5:
     resolution: {integrity: sha512-8Dl6+HD/cKifutF5qGd/8ZJi84QeAKh+CEe1sBzz8UayBBGg1dAIJrdHOcOM5b2MpzWL2yuotJTtGjETq0qjXg==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.22.5
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/helper-module-transforms@7.22.9(@babel/core@7.22.10):
@@ -792,39 +708,18 @@ packages:
       '@babel/helper-validator-identifier': 7.22.5
     dev: true
 
-  /@babel/helper-module-transforms@7.22.9(@babel/core@7.22.9):
-    resolution: {integrity: sha512-t+WA2Xn5K+rTeGtC8jCsdAH52bjggG5TKRuRrAGNM/mjIbO4GxvlLMFOEz9wXY5I2XQ60PMFsAG2WIcG82dQMQ==}
-    engines: {node: '>=6.9.0'}
-    peerDependencies:
-      '@babel/core': ^7.0.0
-    dependencies:
-      '@babel/core': 7.22.9
-      '@babel/helper-environment-visitor': 7.22.5
-      '@babel/helper-module-imports': 7.22.5
-      '@babel/helper-simple-access': 7.22.5
-      '@babel/helper-split-export-declaration': 7.22.6
-      '@babel/helper-validator-identifier': 7.22.5
-    dev: true
-
   /@babel/helper-simple-access@7.22.5:
     resolution: {integrity: sha512-n0H99E/K+Bika3++WNL17POvo4rKWZ7lZEp1Q+fStVbUi8nxPQEBOlTmCOxW/0JsS56SKKQ+ojAe2pHKJHN35w==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.22.5
-    dev: true
-
-  /@babel/helper-split-export-declaration@7.16.7:
-    resolution: {integrity: sha512-xbWoy/PFoxSWazIToT9Sif+jJTlrMcndIsaOKvTA6u7QEo7ilkRZpjew18/W3c7nm8fXdUDXh02VXTbZ0pGDNw==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/types': 7.22.5
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/helper-split-export-declaration@7.22.6:
     resolution: {integrity: sha512-AsUnxuLhRYsisFiaJwvp1QF+I3KjD5FOxut14q/GzovUe6orHLesW2C7d754kRm53h5gqrz6sFl6sxc4BVtE/g==}
     engines: {node: '>=6.9.0'}
     dependencies:
-      '@babel/types': 7.22.5
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/helper-string-parser@7.22.5:
@@ -857,17 +752,6 @@ packages:
       - supports-color
     dev: true
 
-  /@babel/helpers@7.22.6:
-    resolution: {integrity: sha512-YjDs6y/fVOYFV8hAf1rxd1QvR9wJe1pDBZ2AREKq/SDayfPzgk0PBnVuTCE5X1acEpMMNOVUqoe+OwiZGJ+OaA==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/template': 7.22.5
-      '@babel/traverse': 7.22.8
-      '@babel/types': 7.22.5
-    transitivePeerDependencies:
-      - supports-color
-    dev: true
-
   /@babel/highlight@7.22.10:
     resolution: {integrity: sha512-78aUtVcT7MUscr0K5mIEnkwxPE0MaxkR5RxRwuHaQ+JuU5AmTPhY+do2mdzVTnIJJpyBglql2pehuBIWHug+WQ==}
     engines: {node: '>=6.9.0'}
@@ -881,7 +765,7 @@ packages:
     engines: {node: '>=6.0.0'}
     hasBin: true
     dependencies:
-      '@babel/types': 7.22.5
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/parser@7.22.10:
@@ -892,22 +776,6 @@ packages:
       '@babel/types': 7.22.10
     dev: true
 
-  /@babel/parser@7.22.5:
-    resolution: {integrity: sha512-DFZMC9LJUG9PLOclRC32G63UXwzqS2koQC8dkx+PLdmt1xSePYpbT/NbsrJy8Q/muXz7o/h/d4A7Fuyixm559Q==}
-    engines: {node: '>=6.0.0'}
-    hasBin: true
-    dependencies:
-      '@babel/types': 7.22.5
-    dev: true
-
-  /@babel/parser@7.22.7:
-    resolution: {integrity: sha512-7NF8pOkHP5o2vpmGgNGcfAeCvOYhGLyA3Z4eBQkT1RJlWu47n63bCs93QfJ2hIAFCil7L5P2IWhs1oToVgrL0Q==}
-    engines: {node: '>=6.0.0'}
-    hasBin: true
-    dependencies:
-      '@babel/types': 7.22.5
-    dev: true
-
   /@babel/runtime@7.20.7:
     resolution: {integrity: sha512-UF0tvkUtxwAgZ5W/KrkHf0Rn0fdnLDU9ScxBrEVNUprE/MzirjK4MJUX1/BVDv00Sv8cljtukVK1aky++X1SjQ==}
     engines: {node: '>=6.9.0'}
@@ -926,31 +794,13 @@ packages:
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/code-frame': 7.22.10
-      '@babel/parser': 7.22.7
-      '@babel/types': 7.22.5
+      '@babel/parser': 7.22.10
+      '@babel/types': 7.22.10
     dev: true
 
   /@babel/traverse@7.18.2:
     resolution: {integrity: sha512-9eNwoeovJ6KH9zcCNnENY7DMFwTU9JdGCFtqNLfUAqtUHRCOsTOqWoffosP8vKmNYeSBUv3yVJXjfd8ucwOjUA==}
     engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/code-frame': 7.22.5
-      '@babel/generator': 7.22.5
-      '@babel/helper-environment-visitor': 7.18.2
-      '@babel/helper-function-name': 7.17.9
-      '@babel/helper-hoist-variables': 7.16.7
-      '@babel/helper-split-export-declaration': 7.16.7
-      '@babel/parser': 7.22.5
-      '@babel/types': 7.22.5
-      debug: 4.3.4(supports-color@8.1.1)
-      globals: 11.12.0
-    transitivePeerDependencies:
-      - supports-color
-    dev: true
-
-  /@babel/traverse@7.22.10:
-    resolution: {integrity: sha512-Q/urqV4pRByiNNpb/f5OSv28ZlGJiFiiTh+GAHktbIrkPhPbl90+uW6SmpoLyZqutrg9AEaEf3Q/ZBRHBXgxig==}
-    engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/code-frame': 7.22.10
       '@babel/generator': 7.22.10
@@ -966,18 +816,18 @@ packages:
       - supports-color
     dev: true
 
-  /@babel/traverse@7.22.8:
-    resolution: {integrity: sha512-y6LPR+wpM2I3qJrsheCTwhIinzkETbplIgPBbwvqPKc+uljeA5gP+3nP8irdYt1mjQaDnlIcG+dw8OjAco4GXw==}
+  /@babel/traverse@7.22.10:
+    resolution: {integrity: sha512-Q/urqV4pRByiNNpb/f5OSv28ZlGJiFiiTh+GAHktbIrkPhPbl90+uW6SmpoLyZqutrg9AEaEf3Q/ZBRHBXgxig==}
     engines: {node: '>=6.9.0'}
     dependencies:
       '@babel/code-frame': 7.22.10
-      '@babel/generator': 7.22.9
+      '@babel/generator': 7.22.10
       '@babel/helper-environment-visitor': 7.22.5
       '@babel/helper-function-name': 7.22.5
       '@babel/helper-hoist-variables': 7.22.5
       '@babel/helper-split-export-declaration': 7.22.6
-      '@babel/parser': 7.22.7
-      '@babel/types': 7.22.5
+      '@babel/parser': 7.22.10
+      '@babel/types': 7.22.10
       debug: 4.3.4(supports-color@8.1.1)
       globals: 11.12.0
     transitivePeerDependencies:
@@ -993,15 +843,6 @@ packages:
       to-fast-properties: 2.0.0
     dev: true
 
-  /@babel/types@7.22.5:
-    resolution: {integrity: sha512-zo3MIHGOkPOfoRXitsgHLjEXmlDaD/5KU1Uzuc9GNiZPhSqVxVRtxuPaSBZDsYZ9qV88AjtMtWW7ww98loJ9KA==}
-    engines: {node: '>=6.9.0'}
-    dependencies:
-      '@babel/helper-string-parser': 7.22.5
-      '@babel/helper-validator-identifier': 7.22.5
-      to-fast-properties: 2.0.0
-    dev: true
-
   /@changesets/apply-release-plan@6.1.3:
     resolution: {integrity: sha512-ECDNeoc3nfeAe1jqJb5aFQX7CqzQhD2klXRez2JDb/aVpGUbX673HgKrnrgJRuQR/9f2TtLoYIzrGB9qwD77mg==}
     dependencies:
@@ -4578,7 +4419,7 @@ packages:
   /@vue/compiler-core@3.2.36:
     resolution: {integrity: sha512-bbyZM5hvBicv0PW3KUfVi+x3ylHnfKG7DOn5wM+f2OztTzTjLEyBb/5yrarIYpmnGitVGbjZqDbODyW4iK8hqw==}
     dependencies:
-      '@babel/parser': 7.22.5
+      '@babel/parser': 7.22.10
       '@vue/shared': 3.2.36
       estree-walker: 2.0.2
       source-map: 0.6.1
@@ -4594,7 +4435,7 @@ packages:
   /@vue/compiler-sfc@3.2.36:
     resolution: {integrity: sha512-AvGb4bTj4W8uQ4BqaSxo7UwTEqX5utdRSMyHy58OragWlt8nEACQ9mIeQh3K4di4/SX+41+pJrLIY01lHAOFOA==}
     dependencies:
-      '@babel/parser': 7.22.5
+      '@babel/parser': 7.22.10
       '@vue/compiler-core': 3.2.36
       '@vue/compiler-dom': 3.2.36
       '@vue/compiler-ssr': 3.2.36
@@ -4616,7 +4457,7 @@ packages:
   /@vue/reactivity-transform@3.2.36:
     resolution: {integrity: sha512-Jk5o2BhpODC9XTA7o4EL8hSJ4JyrFWErLtClG3NH8wDS7ri9jBDWxI7/549T7JY9uilKsaNM+4pJASLj5dtRwA==}
     dependencies:
-      '@babel/parser': 7.22.5
+      '@babel/parser': 7.22.10
       '@vue/compiler-core': 3.2.36
       '@vue/shared': 3.2.36
       estree-walker: 2.0.2
@@ -6105,17 +5946,6 @@ packages:
       update-browserslist-db: 1.0.11(browserslist@4.21.10)
     dev: true
 
-  /browserslist@4.21.9:
-    resolution: {integrity: sha512-M0MFoZzbUrRU4KNfCrDLnvyE7gub+peetoTid3TBIqtunaDJyXlwhakT+/VkvSXcfIzFfK/nkCs4nmyTmxdNSg==}
-    engines: {node: ^6 || ^7 || ^8 || ^9 || ^10 || ^11 || ^12 || >=13.7}
-    hasBin: true
-    dependencies:
-      caniuse-lite: 1.0.30001517
-      electron-to-chromium: 1.4.468
-      node-releases: 2.0.13
-      update-browserslist-db: 1.0.11(browserslist@4.21.9)
-    dev: true
-
   /bs58@4.0.1:
     resolution: {integrity: sha512-Ok3Wdf5vOIlBrgCvTq96gBkJw+JUEzdBgyaza5HLtPm7yTHkjRy8+JzNyHF7BHa0bNWOQIp3m5YF0nnFcOIKLw==}
     dependencies:
@@ -6302,10 +6132,6 @@ packages:
     engines: {node: '>=10'}
     dev: true
 
-  /caniuse-lite@1.0.30001517:
-    resolution: {integrity: sha512-Vdhm5S11DaFVLlyiKu4hiUTkpZu+y1KA/rZZqVQfOD5YdDT/eQKlkt7NaE0WGOFgX32diqt9MiP9CAiFeRklaA==}
-    dev: true
-
   /caniuse-lite@1.0.30001520:
     resolution: {integrity: sha512-tahF5O9EiiTzwTUqAeFjIZbn4Dnqxzz7ktrgGlMYNLH43Ul26IgTMH/zvL3DG0lZxBYnlT04axvInszUsZULdA==}
     dev: true
@@ -7455,10 +7281,6 @@ packages:
       jake: 10.8.7
     dev: true
 
-  /electron-to-chromium@1.4.468:
-    resolution: {integrity: sha512-6M1qyhaJOt7rQtNti1lBA0GwclPH+oKCmsra/hkcWs5INLxfXXD/dtdnaKUYQu/pjOBP/8Osoe4mAcNvvzoFag==}
-    dev: true
-
   /electron-to-chromium@1.4.491:
     resolution: {integrity: sha512-ZzPqGKghdVzlQJ+qpfE+r6EB321zed7e5JsvHIlMM4zPFF8okXUkF5Of7h7F3l3cltPL0rG7YVmlp5Qro7RQLA==}
     dev: true
@@ -10394,7 +10216,7 @@ packages:
     resolution: {integrity: sha512-BXgQl9kf4WTCPCCpmFGoJkz/+uhvm7h7PFKUYxh7qarQd3ER33vHG//qaE8eN25l07YqZPpHXU9I09l/RD5aGQ==}
     engines: {node: '>=8'}
     dependencies:
-      '@babel/core': 7.22.9
+      '@babel/core': 7.22.10
       '@istanbuljs/schema': 0.1.3
       istanbul-lib-coverage: 3.2.0
       semver: 6.3.1
@@ -15823,17 +15645,6 @@ packages:
       picocolors: 1.0.0
     dev: true
 
-  /update-browserslist-db@1.0.11(browserslist@4.21.9):
-    resolution: {integrity: sha512-dCwEFf0/oT85M1fHBg4F0jtLwJrutGoHSQXCh7u4o2t1drG+c0a9Flnqww6XUKSfQMPpJBRjU8d4RXB09qtvaA==}
-    hasBin: true
-    peerDependencies:
-      browserslist: '>= 4.21.0'
-    dependencies:
-      browserslist: 4.21.9
-      escalade: 3.1.1
-      picocolors: 1.0.0
-    dev: true
-
   /update-section@0.3.3:
     resolution: {integrity: sha512-BpRZMZpgXLuTiKeiu7kK0nIPwGdyrqrs6EDSaXtjD/aQ2T+qVo9a5hRC3HN3iJjCMxNT/VxoLGQ7E/OzE5ucnw==}
     dev: true

specs/challenger.md

@@ -73,7 +73,7 @@ to each of the different game types. For specification of dispute game types, se
   created by the `DisputeGameFactory` is equal to the output root of their `rollup-node` at the game's `l2BlockNumber`.
   - If it is, the Challenger should sign the [EIP-712 typeHash](./dispute-game.md) of the struct containing the
     `AttestationDisputeGame`'s `rootClaim` and `l2BlockNumber`. The Challenger should then submit the abi-encoded
-    signature to the `AttetationDisputeGame`'s `challenge` function.
+    signature to the `AttestationDisputeGame`'s `challenge` function.
   - If it is not, the Challenger should do nothing in support of this dispute game.
   ![Attestation `DisputeGameCreated` Diagram](./assets/challenger_attestation_dispute_game_created.png)
 

specs/span-batches.md

@@ -9,6 +9,16 @@
 
 - [Introduction](#introduction)
 - [Span batch format](#span-batch-format)
+- [Optimization Strategies](#optimization-strategies)
+  - [Truncating information and storing only necessary data](#truncating-information-and-storing-only-necessary-data)
+  - [`tx_data_headers` removal from initial specs](#tx_data_headers-removal-from-initial-specs)
+  - [`Chain ID` removal from initial specs](#chain-id-removal-from-initial-specs)
+  - [Reorganization of constant length transaction fields](#reorganization-of-constant-length-transaction-fields)
+  - [RLP encoding for only variable length fields](#rlp-encoding-for-only-variable-length-fields)
+  - [Store `y_parity` instead of `v`](#store-y_parity-instead-of-v)
+  - [Adjust `txs` Data Layout for Better Compression](#adjust-txs-data-layout-for-better-compression)
+  - [`fee_recipients` Encoding Scheme](#fee_recipients-encoding-scheme)
+- [How derivation works with Span Batch?](#how-derivation-works-with-span-batch)
 - [Integration](#integration)
   - [Channel Reader (Batch Decoding)](#channel-reader-batch-decoding)
   - [Batch Queue](#batch-queue)
@@ -53,7 +63,7 @@ Span-batches address these inefficiencies, with a new batch format version.
 
 ## Span batch format
 
-Note that span-batches, unlike previous V0 batches,
+Note that span-batches, unlike previous singular batches,
 encode *a range of consecutive* L2 blocks at the same time.
 
 Introduce version `1` to the [batch-format](./derivation.md#batch-format) table:
@@ -63,36 +73,69 @@ Introduce version `1` to the [batch-format](./derivation.md#batch-format) table:
 | 1               | `prefix ++ payload` |
 
 Notation:
-`++`: concatenation of byte-strings.
-`anchor`: first L2 block in the span
-`uvarint`: unsigned Base128 varint, as defined in [protobuf spec]
+
+- `++`: concatenation of byte-strings
+- `span_start`: first L2 block in the span
+- `span_end`: last L2 block in the span
+- `uvarint`: unsigned Base128 varint, as defined in [protobuf spec]
+- `rlp_encode`: a function that encodes a batch according to the [RLP format],
+  and `[x, y, z]` denotes a list containing items `x`, `y` and `z`
 
 [protobuf spec]: https://protobuf.dev/programming-guides/encoding/#varints
 
 Where:
 
-- `prefix = rel_timestamp ++ parent_check ++ l1_origin_check`
-  - `rel_timestamp`: relative time since genesis, i.e. `anchor.timestamp - config.genesis.timestamp`.
-  - `parent_check`: first 20 bytes of parent hash, i.e. `anchor.parent_hash[:20]`.
-  - `l1_origin_check`: to ensure the intended L1 origins of this span of
-        L2 blocks are consistent with the L1 chain, the blockhash of the last L1 origin is referenced.
-        The hash is truncated to 20 bytes for efficiency, i.e. `anchor.l1_origin.hash[:20]`.
-- `payload = block_count ++ block_tx_counts ++ tx_data_headers ++ tx_data ++ tx_sigs`:
+- `prefix = rel_timestamp ++ l1_origin_num ++ parent_check ++ l1_origin_check`
+  - `rel_timestamp`: `uvarint` relative timestamp since L2 genesis,
+    i.e. `span_start.timestamp - config.genesis.timestamp`.
+  - `l1_origin_num`: `uvarint` number of last l1 origin number. i.e. `span_end.l1_origin.number`
+  - `parent_check`: first 20 bytes of parent hash, the hash is truncated to 20 bytes for efficiency,
+    i.e. `span_start.parent_hash[:20]`.
+  - `l1_origin_check`: the block hash of the last L1 origin is referenced.
+    The hash is truncated to 20 bytes for efficiency, i.e. `span_end.l1_origin.hash[:20]`.
+- `payload = block_count ++ origin_bits ++ block_tx_counts ++ txs`:
   - `block_count`: `uvarint` number of L2 blocks.
   - `origin_bits`: bitlist of `block_count` bits, right-padded to a multiple of 8 bits:
     1 bit per L2 block, indicating if the L1 origin changed this L2 block.
   - `block_tx_counts`: for each block, a `uvarint` of `len(block.transactions)`.
-  - `tx_data_headers`: lengths of each `tx_data` entry, encodes as concatenated `uvarint` entries, (empty if there are
-    no entries).
-  - `tx_data`: [EIP-2718] encoded transactions.
-    - The `tx_signature` is truncated from each [EIP-2718] encoded tx. To be reconstructed from `tx_sigs`.
-      - `legacy`: starting at `v` RLP field
-      - `1` ([EIP-2930]): starting at `signatureYParity` RLP field
-      - `2` ([EIP-1559]): starting at `signature_y_parity` RLP field
-  - `tx_sigs`: concatenated list of transaction signatures:
-    - `v`, or `y_parity`, is encoded as `uvarint` (some legacy transactions combine the chain ID)
+  - `txs`: L2 transactions which is reorganized and encoded as below.
+- `txs = contract_creation_bits ++ y_parity_bits ++ tx_sigs ++ tx_tos ++ tx_datas ++ tx_nonces ++ tx_gases`
+  - `contract_creation_bits`: bit list of `sum(block_tx_counts)` bits, right-padded to a multiple of 8 bits,
+    1 bit per L2 transactions, indicating if transaction is a contract creation transaction.
+  - `y_parity_bits`: bit list of `sum(block_tx_counts)` bits, right-padded to a multiple of 8 bits,
+    1 bit per L2 transactions, indicating the y parity value when recovering transaction sender address.
+  - `tx_sigs`: concatenated list of transaction signatures
     - `r` is encoded as big-endian `uint256`
     - `s` is encoded as big-endian `uint256`
+  - `tx_tos`: concatenated list of `to` field. `to` field in contract creation transaction will be `nil` and ignored.
+  - `tx_datas`: concatenated list of variable length rlp encoded data,
+    matching the encoding of the fields as in the [EIP-2718] format of the `TransactionType`.
+    - `legacy`: `rlp_encode(value, gasPrice, data)`
+    - `1`: ([EIP-2930]): `0x01 ++ rlp_encode(value, gasPrice, data, accessList)`
+    - `2`: ([EIP-1559]): `0x02 ++ rlp_encode(value, max_priority_fee_per_gas, max_fee_per_gas, data, access_list)`
+  - `tx_nonces`: concatenated list of `uvarint` of `nonce` field.
+  - `tx_gases`:  concatenated list of `uvarint` of gas limits.
+    - `legacy`: `gasLimit`
+    - `1`: ([EIP-2930]): `gasLimit`
+    - `2`: ([EIP-1559]): `gas_limit`
+
+Introduce version `2` to the [batch-format](./derivation.md#batch-format) table:
+
+| `batch_version` | `content`           |
+|-----------------|---------------------|
+| 2               | `prefix ++ payload` |
+
+Where:
+
+- `prefix = rel_timestamp ++ l1_origin_num ++ parent_check ++ l1_origin_check`:
+  - Identical to `batch_version` 1
+- `payload = block_count ++ origin_bits ++ block_tx_counts ++ txs ++ fee_recipients`:
+  - Every field definition identical to `batch_version` 1 except that `fee_recipients` is
+    added to support more decentralized sequencing.
+  - `fee_recipients = fee_recipients_idxs + fee_recipients_set`
+    - `fee_recipients_set`: concatenated list of unique L2 fee recipient address.
+    - `fee_recipients_idxs`: for each block,
+      `uvarint` number of index to decode fee recipients from `fee_recipients_set`.
 
 [EIP-2718]: https://eips.ethereum.org/EIPS/eip-2718
 
@@ -100,13 +143,91 @@ Where:
 
 [EIP-1559]: https://eips.ethereum.org/EIPS/eip-1559
 
-> **TODO research/experimentation questions:**
->
-> - `tx_data` entries may be split up completely and tx attributes could be grouped into individual arrays, similar to
-    signatures.
-    > This may add more complexity, but organize data for improved compression.
-> - Backtesting: using this format, how are different types of chain history affected? Improved or not? And by what
-    margin?
+## Optimization Strategies
+
+### Truncating information and storing only necessary data
+
+The following fields stores truncated data:
+
+- `rel_timestamp`: We can save two bytes by storing `rel_timestamp` instead of the full `span_start.timestamp`.
+- `parent_check` and `l1_origin_check`: We can save twelve bytes by truncating twelve bytes from the full hash,
+  while having enough safety.
+
+### `tx_data_headers` removal from initial specs
+
+We do not need to store length per each `tx_datas` elements even if those are variable length,
+because the elements itself is RLP encoded, containing their length in RLP prefix.
+
+### `Chain ID` removal from initial specs
+
+Every transaction has chain id. We do not need to include chain id in span batch because L2 already knows its chain id,
+and use its own value for processing span batches while derivation.
+
+### Reorganization of constant length transaction fields
+
+`signature`, `nonce`, `gaslimit`, `to` field are constant size, so these were split up completely and
+are grouped into individual arrays.
+This adds more complexity, but organizes data for improved compression by grouping data with similar data pattern.
+
+### RLP encoding for only variable length fields
+
+Further size optimization can be done by packing variable length fields, such as `access_list`.
+However, doing this will introduce much more code complexity, comparing to benefiting by size reduction.
+
+Our goal is to find the sweet spot on code complexity - span batch size tradeoff.
+I decided that using RLP for all variable length fields will be the best option,
+not risking codebase with gnarly custom encoding/decoding implementations.
+
+### Store `y_parity` instead of `v`
+
+For legacy type transactions, `v = 2 * ChainID + y_parity`. For other types of transactions, `v = y_parity`.
+We may only store `y_parity`, which is single bit per L2 transaction.
+
+This optimization will benefit more when ratio between number of legacy type transactions over number of transactions
+excluding deposit tx is higher.
+Deposit transactions are excluded in batches and are never written at L1 so excluded while analyzing.
+
+### Adjust `txs` Data Layout for Better Compression
+
+There are (7 choose 2) * 5! = 2520 permutations of ordering fields of `txs`.
+It is not 7! because `contract_creation_bits` must be first decoded in order to decode `tx_tos`.
+We experimented to find out the best layout for compression.
+It turned out placing random data together(`TxSigs`, `TxTos`, `TxDatas`),
+then placing leftovers helped gzip to gain more size reduction.
+
+### `fee_recipients` Encoding Scheme
+
+Let `K` := number of unique fee recipients(cardinality) per span batch. Let `N` := number of L2 blocks.
+If we naively encode each fee recipients by concatenating every fee recipients, it will need `20 * N` bytes.
+If we manage `fee_recipients_idxs` and `fee_recipients_set`, It will need at most `max uvarint size * N = 8 * N`,
+`20 * K` bytes each. If `20 * N > 8 * N + 20 * K` then maintaining an index of fee recipients is reduces the size.
+
+we thought sequencer rotation happens not much often, so assumed that `K` will be much lesser than `N`.
+The assumption makes upper inequality to hold. Therefore, we decided to manage `fee_recipients_idxs` and
+`fee_recipients_set` separately. This adds complexity but reduces data.
+
+## How derivation works with Span Batch?
+
+- Block Timestamp
+  - The first L2 block's block timestamp is `rel_timestamp + L2Genesis.Timestamp`.
+  - Then we can derive other blocks timestamp by adding L2 block time for each.
+- L1 Origin Number
+  - The parent of the first L2 block's L1 origin number is `l1_origin_num - sum(origin_bits)`
+  - Then we can derive other blocks' L1 origin number with `origin_bits`
+  - `ith block's L1 origin number = (i-1)th block's L1 origin number + (origin_bits[i] ? 1 : 0)`
+- L1 Origin Hash
+  - We only need the `l1_origin_check`, the truncated L1 origin hash of the last L2 block of Span Batch.
+  - If the last block references canonical L1 chain as its origin,
+    we can ensure the all other blocks' origins are consistent with the canonical L1 chain.
+- Parent hash
+  - In V0 Batch spec, we need batch's parent hash to validate if batch's parent is consistent with current L2 safe head.
+  - But in the case of Span Batch, because it contains consecutive L2 blocks in the span,
+    we do not need to validate all blocks' parent hash except the first block.
+- Transactions
+  - Deposit transactions can be derived from its L1 origin, identical with V0 batch.
+  - User transactions can be derived by following way:
+    - Recover `V` value of TX signature from `y_parity_bits` and L2 chainId, as described in optimization strategies.
+    - When parsing `tx_tos`, `contract_creation_bits` is used to determine if the TX has `to` value or not.
 
 ## Integration
 
@@ -114,11 +235,7 @@ Where:
 
 The Channel Reader decodes the span-batch, as described in the [span-batch format](#span-batch-format).
 
-A set of derived attributes is computed, cached with the decoded result:
-
-- `l2_blocks_count`: number of L2 blocks in the span-batch
-- `start_timestamp`: `config.genesis.timestamp + batch.rel_timestamp`
-- `epoch_end`:
+A set of derived attributes is computed as described above. Then cached with the decoded result:
 
 ### Batch Queue
 
@@ -144,40 +261,46 @@ Span-batch rules, in validation order:
     which makes the later L2 blocks invalid.
   - Variables:
     - `origin_changed_bit = origin_bits[0]`: `true` if the first L2 block changed its L1 origin, `false` otherwise.
-    - `start_epoch_num = safe_l2_head.origin.block_number + (origin_changed_bit ? 1 : 0)`
-    - `end_epoch_num = safe_l2_head.origin.block_number + sum(origin_bits)`: block number of last referenced L1 origin
+    - `start_epoch_num = batch.l1_origin_num - sum(origin_bits) + (origin_changed_bit ? 1 : 0)`
+    - `end_epoch_num = batch.l1_origin_num`
   - Rules:
     - `start_epoch_num + sequence_window_size < inclusion_block_number` -> `drop`:
       i.e. the batch must be included timely.
-    - `end_epoch_num < epoch.number` -> `future`: i.e. all referenced L1 epochs must be there.
-    - `end_epoch_num == epoch.number`:
-      - If `batch.l1_origin_check != epoch.hash[:20]` -> `drop`: verify the batch is intended for this L1 chain.
-    - `end_epoch_num > epoch.number` -> `drop`: must have been duplicate batch,
-      we may be past this L1 block in the safe L2 chain.
+    - `start_epoch_num > epoch.number + 1` -> `drop`:
+      i.e. the L1 origin cannot change by more than one L1 block per L2 block.
+    - If `batch.l1_origin_check` does not match the canonical L1 chain at `end_epoch_num` -> `drop`:
+      verify the batch is intended for this L1 chain.
+      - After upper `l1_origin_check` check is passed, we don't need to check if the origin
+        is past `inclusion_block_number` because of the following invariant.
+      - Invariant: the epoch-num in the batch is always less than the inclusion block number,
+        if and only if the L1 epoch hash is correct.
+    - `start_epoch_num < epoch.number` -> `drop`: must have been duplicate batch,
+      we may be past this L1 block in the safe L2 chain. If a span-batch overlaps with older information,
+      it is dropped, since partially valid span-batches are not accepted.
 - Max Sequencer time-drift checks:
   - Note: The max time-drift is enforced for the *batch as a whole*, to keep the possible output variants small.
   - Variables:
     - `block_input`: an L2 block from the span-batch,
       with L1 origin as derived from the `origin_bits` and now established canonical L1 chain.
-    - `next_epoch` is relative to the `block_input`,
-      and may reach to the next origin outside of the L1 origins of the span.
+    - `next_epoch`: `block_input.origin`'s next L1 block.
+      It may reach to the next origin outside the L1 origins of the span.
   - Rules:
     - For each `block_input` that can be read from the span-batch:
       - `block_input.timestamp < block_input.origin.time` -> `drop`: enforce the min L2 timestamp rule.
       - `block_input.timestamp > block_input.origin.time + max_sequencer_drift`: enforce the L2 timestamp drift rule,
         but with exceptions to preserve above min L2 timestamp invariant:
         - `len(block_input.transactions) == 0`:
-          - `epoch.number == batch.epoch_num`:
-            this implies the batch does not already advance the L1 origin,
+          - `origin_bits[i] == 0`: `i` is the index of `block_input` in the span batch.
+            So this implies the block_input did not advance the L1 origin,
             and must thus be checked against `next_epoch`.
             - If `next_epoch` is not known -> `undecided`:
               without the next L1 origin we cannot yet determine if time invariant could have been kept.
-            - If `batch.timestamp >= next_epoch.time` -> `drop`:
+            - If `block_input.timestamp >= next_epoch.time` -> `drop`:
               the batch could have adopted the next L1 origin without breaking the `L2 time >= L1 time` invariant.
-        - `len(batch.transactions) > 0`: -> `drop`:
+        - `len(block_input.transactions) > 0`: -> `drop`:
           when exceeding the sequencer time drift, never allow the sequencer to include transactions.
 - And for all transactions:
-  - `drop` if the `batch.transactions` list contains a transaction
+  - `drop` if the `batch.tx_datas` list contains a transaction
     that is invalid or derived by other means exclusively:
     - any transaction that is empty (zero length `tx_data`)
     - any [deposited transactions][g-deposit-tx-type] (identified by the transaction type prefix byte in `tx_data`)