run ineffassign for all code (#12578)

* run `ineffassign` for all code

* fix reported ineffassign errors

* remove redundant changes

* fix remaining ineffassign errors

---------

Co-authored-by: Nishant Das <nishdas93@gmail.com>

api/client/beacon/checkpoint_test.go

@@ -128,6 +128,7 @@ func TestDownloadWeakSubjectivityCheckpoint(t *testing.T) {
 	wst, err := util.NewBeaconState()
 	require.NoError(t, err)
 	fork, err := forkForEpoch(cfg, epoch)
+	require.NoError(t, err)
 	require.NoError(t, wst.SetFork(fork))
 
 	// set up checkpoint block
@@ -226,6 +227,7 @@ func TestDownloadBackwardsCompatibleCombined(t *testing.T) {
 	wst, err := util.NewBeaconState()
 	require.NoError(t, err)
 	fork, err := forkForEpoch(cfg, cfg.GenesisEpoch)
+	require.NoError(t, err)
 	require.NoError(t, wst.SetFork(fork))
 
 	// set up checkpoint block
@@ -399,6 +401,7 @@ func TestDownloadFinalizedData(t *testing.T) {
 	st, err := util.NewBeaconState()
 	require.NoError(t, err)
 	fork, err := forkForEpoch(cfg, epoch)
+	require.NoError(t, err)
 	require.NoError(t, st.SetFork(fork))
 	require.NoError(t, st.SetSlot(slot))
 

encoding/ssz/detect/configfork_test.go

@@ -134,6 +134,7 @@ func TestUnmarshalState(t *testing.T) {
 	}()
 	bc := params.BeaconConfig()
 	altairSlot, err := slots.EpochStart(bc.AltairForkEpoch)
+	require.NoError(t, err)
 	bellaSlot, err := slots.EpochStart(bc.BellatrixForkEpoch)
 	require.NoError(t, err)
 	cases := []struct {
@@ -205,6 +206,7 @@ func TestUnmarshalBlock(t *testing.T) {
 	altairv := bytesutil.ToBytes4(params.BeaconConfig().AltairForkVersion)
 	bellav := bytesutil.ToBytes4(params.BeaconConfig().BellatrixForkVersion)
 	altairS, err := slots.EpochStart(params.BeaconConfig().AltairForkEpoch)
+	require.NoError(t, err)
 	bellaS, err := slots.EpochStart(params.BeaconConfig().BellatrixForkEpoch)
 	require.NoError(t, err)
 	cases := []struct {
@@ -296,6 +298,7 @@ func TestUnmarshalBlindedBlock(t *testing.T) {
 	altairv := bytesutil.ToBytes4(params.BeaconConfig().AltairForkVersion)
 	bellav := bytesutil.ToBytes4(params.BeaconConfig().BellatrixForkVersion)
 	altairS, err := slots.EpochStart(params.BeaconConfig().AltairForkEpoch)
+	require.NoError(t, err)
 	bellaS, err := slots.EpochStart(params.BeaconConfig().BellatrixForkEpoch)
 	require.NoError(t, err)
 	cases := []struct {

nogo_config.json

@@ -147,11 +147,11 @@
     }
   },
   "ineffassign": {
-    "only_files": {
-      "beacon-chain/.*": "",
-      "shared/.*": "",
-      "slasher/.*": "",
-      "validator/.*": ""
+    "exclude_files": {
+      "external/.*": "Third party code",
+      "rules_go_work-.*": "Third party code",
+      ".*\\.pb.*.go": "Generated code is ok",
+      ".*generated\\.ssz\\.go": "Generated code is ok"
     }
   },
   "properpermissions": {

testing/endtoend/component_handler_test.go

@@ -256,7 +256,7 @@ func (c *componentHandler) required() []e2etypes.ComponentRunner {
 func (c *componentHandler) printPIDs(logger func(string, ...interface{})) {
 	msg := "\nPID of components. Attach a debugger... if you dare!\n\n"
 
-	msg = "This test PID: " + strconv.Itoa(os.Getpid()) + " (parent=" + strconv.Itoa(os.Getppid()) + ")\n"
+	msg += "This test PID: " + strconv.Itoa(os.Getpid()) + " (parent=" + strconv.Itoa(os.Getppid()) + ")\n"
 
 	// Beacon chain nodes
 	msg += fmt.Sprintf("Beacon chain nodes: %v\n", PIDsFromMultiComponentRunner(c.beaconNodes))

testing/endtoend/components/eth1/transactions.go

@@ -114,7 +114,7 @@ func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, f *filler.Filler
 	for i := uint64(0); i < N; i++ {
 		index := i
 		g.Go(func() error {
-			tx, err := txfuzz.RandomValidTx(client, f, sender, nonce+index, expectedPrice, nil, al)
+			tx, err := txfuzz.RandomValidTx(client, f, sender, nonce+index, gasPrice, nil, al)
 			if err != nil {
 				// In the event the transaction constructed is not valid, we continue with the routine
 				// rather than complete stop it.
@@ -129,9 +129,12 @@ func SendTransaction(client *rpc.Client, key *ecdsa.PrivateKey, f *filler.Filler
 				return nil
 			}
 			err = backend.SendTransaction(context.Background(), signedTx)
-			// We continue on if the constructed transaction is invalid
-			// and can't be submitted on chain.
-			//nolint:nilerr
+			if err != nil {
+				// We continue on if the constructed transaction is invalid
+				// and can't be submitted on chain.
+				//nolint:nilerr
+				return nil
+			}
 			return nil
 		})
 	}

testing/endtoend/components/lighthouse_validator.go

@@ -172,11 +172,6 @@ func (v *LighthouseValidatorNode) Start(ctx context.Context) error {
 	}
 
 	_, _, index, _ := v.config, v.validatorNum, v.index, v.offset
-	beaconRPCPort := e2e.TestParams.Ports.PrysmBeaconNodeRPCPort + index
-	if beaconRPCPort >= e2e.TestParams.Ports.PrysmBeaconNodeRPCPort+e2e.TestParams.BeaconNodeCount {
-		// Point any extra validator clients to a node we know is running.
-		beaconRPCPort = e2e.TestParams.Ports.PrysmBeaconNodeRPCPort
-	}
 	kPath := e2e.TestParams.TestPath + fmt.Sprintf("/lighthouse-validator-%d", index)
 	testNetDir := e2e.TestParams.TestPath + fmt.Sprintf("/lighthouse-testnet-%d", index)
 	httpPort := e2e.TestParams.Ports.LighthouseBeaconNodeHTTPPort

testing/endtoend/endtoend_test.go

@@ -516,7 +516,6 @@ func (r *testRunner) defaultEndToEndRun() error {
 		if err := r.testCheckpointSync(ctx, g, index, conns, httpEndpoints[0], benr, menr); err != nil {
 			return errors.Wrap(err, "checkpoint sync test failed")
 		}
-		index += 1
 	}
 
 	if config.ExtraEpochs > 0 {