Merge branch 'develop' into aj/fpp-pointers

op-e2e/actions/blocktime_test.go

@@ -28,12 +28,11 @@ func TestBatchInLastPossibleBlocks(gt *testing.T) {
 
 	signer := types.LatestSigner(sd.L2Cfg.Config)
 	cl := sequencerEngine.EthClient()
+	aliceNonce := uint64(0) // manual nonce management to avoid geth pending-tx nonce non-determinism flakiness
 	aliceTx := func() {
-		n, err := cl.PendingNonceAt(t.Ctx(), dp.Addresses.Alice)
-		require.NoError(t, err)
 		tx := types.MustSignNewTx(dp.Secrets.Alice, signer, &types.DynamicFeeTx{
 			ChainID:   sd.L2Cfg.Config.ChainID,
-			Nonce:     n,
+			Nonce:     aliceNonce,
 			GasTipCap: big.NewInt(2 * params.GWei),
 			GasFeeCap: new(big.Int).Add(miner.l1Chain.CurrentBlock().BaseFee, big.NewInt(2*params.GWei)),
 			Gas:       params.TxGas,
@@ -41,6 +40,7 @@ func TestBatchInLastPossibleBlocks(gt *testing.T) {
 			Value:     e2eutils.Ether(2),
 		})
 		require.NoError(gt, cl.SendTransaction(t.Ctx(), tx))
+		aliceNonce += 1
 	}
 	makeL2BlockWithAliceTx := func() {
 		aliceTx()

op-node/sources/batching.go

@@ -24,6 +24,7 @@ type IterativeBatchCall[K any, V any] struct {
 
 	makeRequest func(K) (V, rpc.BatchElem)
 	getBatch    BatchCallContextFn
+	getSingle   CallContextFn
 
 	requestsValues []V
 	scheduled      chan rpc.BatchElem
@@ -35,6 +36,7 @@ func NewIterativeBatchCall[K any, V any](
 	requestsKeys []K,
 	makeRequest func(K) (V, rpc.BatchElem),
 	getBatch BatchCallContextFn,
+	getSingle CallContextFn,
 	batchSize int) *IterativeBatchCall[K, V] {
 
 	if len(requestsKeys) < batchSize {
@@ -47,6 +49,7 @@ func NewIterativeBatchCall[K any, V any](
 	out := &IterativeBatchCall[K, V]{
 		completed:    0,
 		getBatch:     getBatch,
+		getSingle:    getSingle,
 		requestsKeys: requestsKeys,
 		batchSize:    batchSize,
 		makeRequest:  makeRequest,
@@ -84,6 +87,11 @@ func (ibc *IterativeBatchCall[K, V]) Fetch(ctx context.Context) error {
 	ibc.resetLock.RLock()
 	defer ibc.resetLock.RUnlock()
 
+	// return early if context is Done
+	if ctx.Err() != nil {
+		return ctx.Err()
+	}
+
 	// collect a batch from the requests channel
 	batch := make([]rpc.BatchElem, 0, ibc.batchSize)
 	// wait for first element
@@ -119,12 +127,24 @@ func (ibc *IterativeBatchCall[K, V]) Fetch(ctx context.Context) error {
 		break
 	}
 
+	if len(batch) == 0 {
+		return nil
+	}
+
+	if ibc.batchSize == 1 {
+		first := batch[0]
+		if err := ibc.getSingle(ctx, &first.Result, first.Method, first.Args...); err != nil {
+			ibc.scheduled <- first
+			return err
+		}
+	} else {
 		if err := ibc.getBatch(ctx, batch); err != nil {
 			for _, r := range batch {
 				ibc.scheduled <- r
 			}
 			return fmt.Errorf("failed batch-retrieval: %w", err)
 		}
+	}
 	var result error
 	for _, elem := range batch {
 		if elem.Error != nil {

op-node/sources/batching_test.go

@@ -35,6 +35,7 @@ type batchTestCase struct {
 	batchSize int
 
 	batchCalls  []batchCall
+	singleCalls []elemCall
 
 	mock.Mock
 }
@@ -53,7 +54,14 @@ func (tc *batchTestCase) GetBatch(ctx context.Context, b []rpc.BatchElem) error
 	if ctx.Err() != nil {
 		return ctx.Err()
 	}
-	return tc.Mock.MethodCalled("get", b).Get(0).([]error)[0]
+	return tc.Mock.MethodCalled("getBatch", b).Get(0).([]error)[0]
+}
+
+func (tc *batchTestCase) GetSingle(ctx context.Context, result any, method string, args ...any) error {
+	if ctx.Err() != nil {
+		return ctx.Err()
+	}
+	return tc.Mock.MethodCalled("getSingle", (*(result.(*interface{}))).(*string), method, args[0]).Get(0).([]error)[0]
 }
 
 var mockErr = errors.New("mockErr")
@@ -64,7 +72,7 @@ func (tc *batchTestCase) Run(t *testing.T) {
 		keys[i] = i
 	}
 
-	makeMock := func(bci int, bc batchCall) func(args mock.Arguments) {
+	makeBatchMock := func(bc batchCall) func(args mock.Arguments) {
 		return func(args mock.Arguments) {
 			batch := args[0].([]rpc.BatchElem)
 			for i, elem := range batch {
@@ -83,7 +91,7 @@ func (tc *batchTestCase) Run(t *testing.T) {
 		}
 	}
 	// mock all the results of the batch calls
-	for bci, bc := range tc.batchCalls {
+	for _, bc := range tc.batchCalls {
 		var batch []rpc.BatchElem
 		for _, elem := range bc.elems {
 			batch = append(batch, rpc.BatchElem{
@@ -94,10 +102,30 @@ func (tc *batchTestCase) Run(t *testing.T) {
 			})
 		}
 		if len(bc.elems) > 0 {
-			tc.On("get", batch).Once().Run(makeMock(bci, bc)).Return([]error{bc.rpcErr}) // wrap to preserve nil as type of error
+			tc.On("getBatch", batch).Once().Run(makeBatchMock(bc)).Return([]error{bc.rpcErr}) // wrap to preserve nil as type of error
+		}
+	}
+	makeSingleMock := func(ec elemCall) func(args mock.Arguments) {
+		return func(args mock.Arguments) {
+			result := args[0].(*string)
+			id := args[2].(int)
+			require.Equal(t, ec.id, id, "element should match expected element")
+			if ec.err {
+				*result = ""
+			} else {
+				*result = fmt.Sprintf("mock result id %d", id)
+			}
+		}
+	}
+	// mock the results of unbatched calls
+	for _, ec := range tc.singleCalls {
+		var ret error
+		if ec.err {
+			ret = mockErr
 		}
+		tc.On("getSingle", new(string), "testing_foobar", ec.id).Once().Run(makeSingleMock(ec)).Return([]error{ret})
 	}
-	iter := NewIterativeBatchCall[int, *string](keys, makeTestRequest, tc.GetBatch, tc.batchSize)
+	iter := NewIterativeBatchCall[int, *string](keys, makeTestRequest, tc.GetBatch, tc.GetSingle, tc.batchSize)
 	for i, bc := range tc.batchCalls {
 		ctx := context.Background()
 		if bc.makeCtx != nil {
@@ -116,6 +144,20 @@ func (tc *batchTestCase) Run(t *testing.T) {
 			}
 		}
 	}
+	for i, ec := range tc.singleCalls {
+		ctx := context.Background()
+		err := iter.Fetch(ctx)
+		if err == io.EOF {
+			require.Equal(t, i, len(tc.singleCalls)-1, "EOF only on last call")
+		} else {
+			require.False(t, iter.Complete())
+			if ec.err {
+				require.Error(t, err)
+			} else {
+				require.NoError(t, err)
+			}
+		}
+	}
 	require.True(t, iter.Complete(), "batch iter should be complete after the expected calls")
 	out, err := iter.Result()
 	require.NoError(t, err)
@@ -154,6 +196,37 @@ func TestFetchBatched(t *testing.T) {
 				},
 			},
 		},
+		{
+			name:      "single element",
+			items:     1,
+			batchSize: 4,
+			singleCalls: []elemCall{
+				{id: 0, err: false},
+			},
+		},
+		{
+			name:      "unbatched",
+			items:     4,
+			batchSize: 1,
+			singleCalls: []elemCall{
+				{id: 0, err: false},
+				{id: 1, err: false},
+				{id: 2, err: false},
+				{id: 3, err: false},
+			},
+		},
+		{
+			name:      "unbatched with retry",
+			items:     4,
+			batchSize: 1,
+			singleCalls: []elemCall{
+				{id: 0, err: false},
+				{id: 1, err: true},
+				{id: 2, err: false},
+				{id: 3, err: false},
+				{id: 1, err: false},
+			},
+		},
 		{
 			name:      "split",
 			items:     5,
@@ -240,7 +313,7 @@ func TestFetchBatched(t *testing.T) {
 		},
 		{
 			name:      "context timeout",
-			items:     1,
+			items:     2,
 			batchSize: 3,
 			batchCalls: []batchCall{
 				{
@@ -255,6 +328,7 @@ func TestFetchBatched(t *testing.T) {
 				{
 					elems: []elemCall{
 						{id: 0, err: false},
+						{id: 1, err: false},
 					},
 					err: "",
 				},

op-node/sources/receipts.go

@@ -373,6 +373,7 @@ func (job *receiptsFetchingJob) runFetcher(ctx context.Context) error {
 			job.txHashes,
 			makeReceiptRequest,
 			job.client.BatchCallContext,
+			job.client.CallContext,
 			job.maxBatchSize,
 		)
 	}