[#1437] ir: Fix contextcheck linters

Signed-off-by: Dmitrii Stepanov <d.stepanov@yadro.com>

cmd/frostfs-node/config.go

@@ -1089,7 +1089,7 @@ func (c *cfg) LocalAddress() network.AddressGroup {
 func initLocalStorage(ctx context.Context, c *cfg) {
 	ls := engine.New(c.engineOpts()...)
 
-	addNewEpochAsyncNotificationHandler(c, func(ev event.Event) {
+	addNewEpochAsyncNotificationHandler(c, func(ctx context.Context, ev event.Event) {
 		ls.HandleNewEpoch(ctx, ev.(netmap2.NewEpoch).EpochNumber())
 	})
 

cmd/frostfs-node/container.go

@@ -89,7 +89,7 @@ func configureEACLAndContainerSources(c *cfg, client *cntClient.Client, cnrSrc c
 		if c.cfgMorph.containerCacheSize > 0 {
 			containerCache := newCachedContainerStorage(cnrSrc, c.cfgMorph.cacheTTL, c.cfgMorph.containerCacheSize)
 
-			subscribeToContainerCreation(c, func(e event.Event) {
+			subscribeToContainerCreation(c, func(ctx context.Context, e event.Event) {
 				ev := e.(containerEvent.PutSuccess)
 
 				// read owner of the created container in order to update the reading cache.
@@ -102,21 +102,21 @@ func configureEACLAndContainerSources(c *cfg, client *cntClient.Client, cnrSrc c
 				} else {
 					// unlike removal, we expect successful receive of the container
 					// after successful creation, so logging can be useful
-					c.log.Error(context.Background(), logs.FrostFSNodeReadNewlyCreatedContainerAfterTheNotification,
+					c.log.Error(ctx, logs.FrostFSNodeReadNewlyCreatedContainerAfterTheNotification,
 						zap.Stringer("id", ev.ID),
 						zap.Error(err),
 					)
 				}
 
-				c.log.Debug(context.Background(), logs.FrostFSNodeContainerCreationEventsReceipt,
+				c.log.Debug(ctx, logs.FrostFSNodeContainerCreationEventsReceipt,
 					zap.Stringer("id", ev.ID),
 				)
 			})
 
-			subscribeToContainerRemoval(c, func(e event.Event) {
+			subscribeToContainerRemoval(c, func(ctx context.Context, e event.Event) {
 				ev := e.(containerEvent.DeleteSuccess)
 				containerCache.handleRemoval(ev.ID)
-				c.log.Debug(context.Background(), logs.FrostFSNodeContainerRemovalEventsReceipt,
+				c.log.Debug(ctx, logs.FrostFSNodeContainerRemovalEventsReceipt,
 					zap.Stringer("id", ev.ID),
 				)
 			})

cmd/frostfs-node/netmap.go

@@ -175,11 +175,11 @@ func initNetmapService(ctx context.Context, c *cfg) {
 }
 
 func addNewEpochNotificationHandlers(c *cfg) {
-	addNewEpochNotificationHandler(c, func(ev event.Event) {
+	addNewEpochNotificationHandler(c, func(_ context.Context, ev event.Event) {
 		c.cfgNetmap.state.setCurrentEpoch(ev.(netmapEvent.NewEpoch).EpochNumber())
 	})
 
-	addNewEpochAsyncNotificationHandler(c, func(ev event.Event) {
+	addNewEpochAsyncNotificationHandler(c, func(ctx context.Context, ev event.Event) {
 		e := ev.(netmapEvent.NewEpoch).EpochNumber()
 
 		c.updateContractNodeInfo(e)
@@ -189,15 +189,15 @@ func addNewEpochNotificationHandlers(c *cfg) {
 		}
 
 		if err := c.bootstrap(); err != nil {
-			c.log.Warn(context.Background(), logs.FrostFSNodeCantSendRebootstrapTx, zap.Error(err))
+			c.log.Warn(ctx, logs.FrostFSNodeCantSendRebootstrapTx, zap.Error(err))
 		}
 	})
 
 	if c.cfgMorph.notaryEnabled {
-		addNewEpochAsyncNotificationHandler(c, func(_ event.Event) {
+		addNewEpochAsyncNotificationHandler(c, func(ctx context.Context, _ event.Event) {
 			_, _, err := makeNotaryDeposit(c)
 			if err != nil {
-				c.log.Error(context.Background(), logs.FrostFSNodeCouldNotMakeNotaryDeposit,
+				c.log.Error(ctx, logs.FrostFSNodeCouldNotMakeNotaryDeposit,
 					zap.String("error", err.Error()),
 				)
 			}

cmd/frostfs-node/session.go

@@ -48,7 +48,7 @@ func initSessionService(c *cfg) {
 		_ = c.privateTokenStore.Close()
 	})
 
-	addNewEpochNotificationHandler(c, func(ev event.Event) {
+	addNewEpochNotificationHandler(c, func(_ context.Context, ev event.Event) {
 		c.privateTokenStore.RemoveOld(ev.(netmap.NewEpoch).EpochNumber())
 	})
 

cmd/frostfs-node/tree.go

@@ -80,10 +80,10 @@ func initTreeService(c *cfg) {
 	}))
 
 	if d := treeConfig.SyncInterval(); d == 0 {
-		addNewEpochNotificationHandler(c, func(_ event.Event) {
+		addNewEpochNotificationHandler(c, func(ctx context.Context, _ event.Event) {
 			err := c.treeService.SynchronizeAll()
 			if err != nil {
-				c.log.Error(context.Background(), logs.FrostFSNodeCouldNotSynchronizeTreeService, zap.Error(err))
+				c.log.Error(ctx, logs.FrostFSNodeCouldNotSynchronizeTreeService, zap.Error(err))
 			}
 		})
 	} else {
@@ -103,15 +103,15 @@ func initTreeService(c *cfg) {
 		}()
 	}
 
-	subscribeToContainerRemoval(c, func(e event.Event) {
+	subscribeToContainerRemoval(c, func(ctx context.Context, e event.Event) {
 		ev := e.(containerEvent.DeleteSuccess)
 
 		// This is executed asynchronously, so we don't care about the operation taking some time.
-		c.log.Debug(context.Background(), logs.FrostFSNodeRemovingAllTreesForContainer, zap.Stringer("cid", ev.ID))
+		c.log.Debug(ctx, logs.FrostFSNodeRemovingAllTreesForContainer, zap.Stringer("cid", ev.ID))
-		err := c.treeService.DropTree(context.Background(), ev.ID, "")
+		err := c.treeService.DropTree(ctx, ev.ID, "")
 		if err != nil && !errors.Is(err, pilorama.ErrTreeNotFound) {
 			// Ignore pilorama.ErrTreeNotFound but other errors, including shard.ErrReadOnly, should be logged.
-			c.log.Error(context.Background(), logs.FrostFSNodeContainerRemovalEventReceivedButTreesWerentRemoved,
+			c.log.Error(ctx, logs.FrostFSNodeContainerRemovalEventReceivedButTreesWerentRemoved,
 				zap.Stringer("cid", ev.ID),
 				zap.String("error", err.Error()))
 		}

pkg/innerring/initialization.go

@@ -137,12 +137,12 @@ func (s *Server) enableNotarySupport() error {
 	return nil
 }
 
-func (s *Server) initNotaryConfig() {
+func (s *Server) initNotaryConfig(ctx context.Context) {
 	s.mainNotaryConfig = notaryConfigs(
 		!s.withoutMainNet && s.mainnetClient.ProbeNotary(), // if mainnet disabled then notary flag must be disabled too
 	)
 
-	s.log.Info(context.Background(), logs.InnerringNotarySupport,
+	s.log.Info(ctx, logs.InnerringNotarySupport,
 		zap.Bool("sidechain_enabled", true),
 		zap.Bool("mainchain_enabled", !s.mainNotaryConfig.disabled),
 	)
@@ -152,8 +152,8 @@ func (s *Server) createAlphaSync(cfg *viper.Viper, frostfsCli *frostfsClient.Cli
 	var alphaSync event.Handler
 
 	if s.withoutMainNet || cfg.GetBool("governance.disable") {
-		alphaSync = func(event.Event) {
+		alphaSync = func(ctx context.Context, _ event.Event) {
-			s.log.Debug(context.Background(), logs.InnerringAlphabetKeysSyncIsDisabled)
+			s.log.Debug(ctx, logs.InnerringAlphabetKeysSyncIsDisabled)
 		}
 	} else {
 		// create governance processor
@@ -196,9 +196,9 @@ func (s *Server) createIRFetcher() irFetcher {
 	return irf
 }
 
-func (s *Server) initTimers(cfg *viper.Viper) {
+func (s *Server) initTimers(ctx context.Context, cfg *viper.Viper) {
 	s.epochTimer = newEpochTimer(&epochTimerArgs{
-		newEpochHandlers: s.newEpochTickHandlers(),
+		newEpochHandlers: s.newEpochTickHandlers(ctx),
 		epoch:            s,
 	})
 

pkg/innerring/innerring.go

@@ -152,7 +152,7 @@ func (s *Server) Start(ctx context.Context, intError chan<- error) (err error) {
 		return err
 	}
 
-	err = s.initConfigFromBlockchain()
+	err = s.initConfigFromBlockchain(ctx)
 	if err != nil {
 		return err
 	}
@@ -173,14 +173,14 @@ func (s *Server) Start(ctx context.Context, intError chan<- error) (err error) {
 	prm.Validators = s.predefinedValidators
 
 	// vote for sidechain validator if it is prepared in config
-	err = s.voteForSidechainValidator(prm)
+	err = s.voteForSidechainValidator(ctx, prm)
 	if err != nil {
 		// we don't stop inner ring execution on this error
 		s.log.Warn(ctx, logs.InnerringCantVoteForPreparedValidators,
 			zap.String("error", err.Error()))
 	}
 
-	s.tickInitialExpoch()
+	s.tickInitialExpoch(ctx)
 
 	morphErr := make(chan error)
 	mainnnetErr := make(chan error)
@@ -283,11 +283,11 @@ func (s *Server) initSideNotary(ctx context.Context) error {
 	)
 }
 
-func (s *Server) tickInitialExpoch() {
+func (s *Server) tickInitialExpoch(ctx context.Context) {
 	initialEpochTicker := timer.NewOneTickTimer(
 		timer.StaticBlockMeter(s.initialEpochTickDelta),
 		func() {
-			s.netmapProcessor.HandleNewEpochTick(timerEvent.NewEpochTick{})
+			s.netmapProcessor.HandleNewEpochTick(ctx, timerEvent.NewEpochTick{})
 		})
 	s.addBlockTimer(initialEpochTicker)
 }
@@ -376,7 +376,7 @@ func New(ctx context.Context, log *logger.Logger, cfg *viper.Viper, errChan chan
 		return nil, err
 	}
 
-	server.initNotaryConfig()
+	server.initNotaryConfig(ctx)
 
 	err = server.initContracts(cfg)
 	if err != nil {
@@ -405,7 +405,7 @@ func New(ctx context.Context, log *logger.Logger, cfg *viper.Viper, errChan chan
 		return nil, err
 	}
 
-	server.initTimers(cfg)
+	server.initTimers(ctx, cfg)
 
 	err = server.initGRPCServer(cfg, log, audit)
 	if err != nil {
@@ -573,7 +573,7 @@ func parseMultinetConfig(cfg *viper.Viper, m metrics.MultinetMetrics) internalNe
 	return nc
 }
 
-func (s *Server) initConfigFromBlockchain() error {
+func (s *Server) initConfigFromBlockchain(ctx context.Context) error {
 	// get current epoch
 	epoch, err := s.netmapClient.Epoch()
 	if err != nil {
@@ -602,8 +602,8 @@ func (s *Server) initConfigFromBlockchain() error {
 		return err
 	}
 
-	s.log.Debug(context.Background(), logs.InnerringReadConfigFromBlockchain,
+	s.log.Debug(ctx, logs.InnerringReadConfigFromBlockchain,
-		zap.Bool("active", s.IsActive()),
+		zap.Bool("active", s.IsActive(ctx)),
 		zap.Bool("alphabet", s.IsAlphabet()),
 		zap.Uint64("epoch", epoch),
 		zap.Uint32("precision", balancePrecision),
@@ -635,17 +635,17 @@ func (s *Server) nextEpochBlockDelta() (uint32, error) {
 // onlyAlphabet wrapper around event handler that executes it
 // only if inner ring node is alphabet node.
 func (s *Server) onlyAlphabetEventHandler(f event.Handler) event.Handler {
-	return func(ev event.Event) {
+	return func(ctx context.Context, ev event.Event) {
 		if s.IsAlphabet() {
-			f(ev)
+			f(ctx, ev)
 		}
 	}
 }
 
-func (s *Server) newEpochTickHandlers() []newEpochHandler {
+func (s *Server) newEpochTickHandlers(ctx context.Context) []newEpochHandler {
 	newEpochHandlers := []newEpochHandler{
 		func() {
-			s.netmapProcessor.HandleNewEpochTick(timerEvent.NewEpochTick{})
+			s.netmapProcessor.HandleNewEpochTick(ctx, timerEvent.NewEpochTick{})
 		},
 	}
 

pkg/innerring/notary.go

@@ -50,16 +50,16 @@ func (s *Server) depositSideNotary() (util.Uint256, error) {
 	return tx, err
 }
 
-func (s *Server) notaryHandler(_ event.Event) {
+func (s *Server) notaryHandler(ctx context.Context, _ event.Event) {
 	if !s.mainNotaryConfig.disabled {
 		_, err := s.depositMainNotary()
 		if err != nil {
-			s.log.Error(context.Background(), logs.InnerringCantMakeNotaryDepositInMainChain, zap.Error(err))
+			s.log.Error(ctx, logs.InnerringCantMakeNotaryDepositInMainChain, zap.Error(err))
 		}
 	}
 
 	if _, err := s.depositSideNotary(); err != nil {
-		s.log.Error(context.Background(), logs.InnerringCantMakeNotaryDepositInSideChain, zap.Error(err))
+		s.log.Error(ctx, logs.InnerringCantMakeNotaryDepositInSideChain, zap.Error(err))
 	}
 }
 

pkg/innerring/processors/balance/handlers.go

@@ -11,9 +11,9 @@ import (
 	"go.uber.org/zap"
 )
 
-func (bp *Processor) handleLock(ev event.Event) {
+func (bp *Processor) handleLock(ctx context.Context, ev event.Event) {
 	lock := ev.(balanceEvent.Lock)
-	bp.log.Info(context.Background(), logs.Notification,
+	bp.log.Info(ctx, logs.Notification,
 		zap.String("type", "lock"),
 		zap.String("value", hex.EncodeToString(lock.ID())))
 
@@ -24,7 +24,7 @@ func (bp *Processor) handleLock(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		bp.log.Warn(context.Background(), logs.BalanceBalanceWorkerPoolDrained,
+		bp.log.Warn(ctx, logs.BalanceBalanceWorkerPoolDrained,
 			zap.Int("capacity", bp.pool.Cap()))
 	}
 }

pkg/innerring/processors/balance/handlers_test.go

@@ -1,6 +1,7 @@
 package balance
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -30,7 +31,7 @@ func TestProcessorCallsFrostFSContractForLockEvent(t *testing.T) {
 	})
 	require.NoError(t, err, "failed to create processor")
 
-	processor.handleLock(balanceEvent.Lock{})
+	processor.handleLock(context.Background(), balanceEvent.Lock{})
 
 	for processor.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -56,7 +57,7 @@ func TestProcessorDoesntCallFrostFSContractIfNotAlphabet(t *testing.T) {
 	})
 	require.NoError(t, err, "failed to create processor")
 
-	processor.handleLock(balanceEvent.Lock{})
+	processor.handleLock(context.Background(), balanceEvent.Lock{})
 
 	for processor.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)

pkg/innerring/processors/container/handlers.go

@@ -12,11 +12,11 @@ import (
 	"go.uber.org/zap"
 )
 
-func (cp *Processor) handlePut(ev event.Event) {
+func (cp *Processor) handlePut(ctx context.Context, ev event.Event) {
 	put := ev.(putEvent)
 
 	id := sha256.Sum256(put.Container())
-	cp.log.Info(context.Background(), logs.Notification,
+	cp.log.Info(ctx, logs.Notification,
 		zap.String("type", "container put"),
 		zap.String("id", base58.Encode(id[:])))
 
@@ -27,14 +27,14 @@ func (cp *Processor) handlePut(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		cp.log.Warn(context.Background(), logs.ContainerContainerProcessorWorkerPoolDrained,
+		cp.log.Warn(ctx, logs.ContainerContainerProcessorWorkerPoolDrained,
 			zap.Int("capacity", cp.pool.Cap()))
 	}
 }
 
-func (cp *Processor) handleDelete(ev event.Event) {
+func (cp *Processor) handleDelete(ctx context.Context, ev event.Event) {
 	del := ev.(containerEvent.Delete)
-	cp.log.Info(context.Background(), logs.Notification,
+	cp.log.Info(ctx, logs.Notification,
 		zap.String("type", "container delete"),
 		zap.String("id", base58.Encode(del.ContainerID())))
 
@@ -45,7 +45,7 @@ func (cp *Processor) handleDelete(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		cp.log.Warn(context.Background(), logs.ContainerContainerProcessorWorkerPoolDrained,
+		cp.log.Warn(ctx, logs.ContainerContainerProcessorWorkerPoolDrained,
 			zap.Int("capacity", cp.pool.Cap()))
 	}
 }

pkg/innerring/processors/container/handlers_test.go

@@ -1,6 +1,7 @@
 package container
 
 import (
+	"context"
 	"crypto/ecdsa"
 	"encoding/hex"
 	"testing"
@@ -71,7 +72,7 @@ func TestPutEvent(t *testing.T) {
 		nr:  nr,
 	}
 
-	proc.handlePut(event)
+	proc.handlePut(context.Background(), event)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -143,7 +144,7 @@ func TestDeleteEvent(t *testing.T) {
 		Signature: signature,
 	}
 
-	proc.handleDelete(ev)
+	proc.handleDelete(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)

pkg/innerring/processors/frostfs/handlers.go

@@ -13,11 +13,11 @@ import (
 	"go.uber.org/zap"
 )
 
-func (np *Processor) handleDeposit(ev event.Event) {
+func (np *Processor) handleDeposit(ctx context.Context, ev event.Event) {
 	deposit := ev.(frostfsEvent.Deposit)
 	depositIDBin := bytes.Clone(deposit.ID())
 	slices.Reverse(depositIDBin)
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "deposit"),
 		zap.String("id", hex.EncodeToString(depositIDBin)))
 
@@ -28,16 +28,16 @@ func (np *Processor) handleDeposit(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.FrostFSFrostfsProcessorWorkerPoolDrained,
+		np.log.Warn(ctx, logs.FrostFSFrostfsProcessorWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }
 
-func (np *Processor) handleWithdraw(ev event.Event) {
+func (np *Processor) handleWithdraw(ctx context.Context, ev event.Event) {
 	withdraw := ev.(frostfsEvent.Withdraw)
 	withdrawBin := bytes.Clone(withdraw.ID())
 	slices.Reverse(withdrawBin)
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "withdraw"),
 		zap.String("id", hex.EncodeToString(withdrawBin)))
 
@@ -48,14 +48,14 @@ func (np *Processor) handleWithdraw(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.FrostFSFrostfsProcessorWorkerPoolDrained,
+		np.log.Warn(ctx, logs.FrostFSFrostfsProcessorWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }
 
-func (np *Processor) handleCheque(ev event.Event) {
+func (np *Processor) handleCheque(ctx context.Context, ev event.Event) {
 	cheque := ev.(frostfsEvent.Cheque)
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "cheque"),
 		zap.String("id", hex.EncodeToString(cheque.ID())))
 
@@ -66,14 +66,14 @@ func (np *Processor) handleCheque(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.FrostFSFrostfsProcessorWorkerPoolDrained,
+		np.log.Warn(ctx, logs.FrostFSFrostfsProcessorWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }
 
-func (np *Processor) handleConfig(ev event.Event) {
+func (np *Processor) handleConfig(ctx context.Context, ev event.Event) {
 	cfg := ev.(frostfsEvent.Config)
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "set config"),
 		zap.String("key", hex.EncodeToString(cfg.Key())),
 		zap.String("value", hex.EncodeToString(cfg.Value())))
@@ -85,7 +85,7 @@ func (np *Processor) handleConfig(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.FrostFSFrostfsProcessorWorkerPoolDrained,
+		np.log.Warn(ctx, logs.FrostFSFrostfsProcessorWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }

pkg/innerring/processors/frostfs/handlers_test.go

@@ -1,6 +1,7 @@
 package frostfs
 
 import (
+	"context"
 	"testing"
 	"time"
 
@@ -36,7 +37,7 @@ func TestHandleDeposit(t *testing.T) {
 		AmountValue: 1000,
 	}
 
-	proc.handleDeposit(ev)
+	proc.handleDeposit(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -57,7 +58,7 @@ func TestHandleDeposit(t *testing.T) {
 
 	es.epochCounter = 109
 
-	proc.handleDeposit(ev)
+	proc.handleDeposit(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -98,7 +99,7 @@ func TestHandleWithdraw(t *testing.T) {
 		AmountValue: 1000,
 	}
 
-	proc.handleWithdraw(ev)
+	proc.handleWithdraw(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -139,7 +140,7 @@ func TestHandleCheque(t *testing.T) {
 		LockValue:   util.Uint160{200},
 	}
 
-	proc.handleCheque(ev)
+	proc.handleCheque(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -176,7 +177,7 @@ func TestHandleConfig(t *testing.T) {
 		TxHashValue: util.Uint256{100},
 	}
 
-	proc.handleConfig(ev)
+	proc.handleConfig(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)

pkg/innerring/processors/governance/handlers.go

@@ -13,7 +13,7 @@ import (
 	"go.uber.org/zap"
 )
 
-func (gp *Processor) HandleAlphabetSync(e event.Event) {
+func (gp *Processor) HandleAlphabetSync(ctx context.Context, e event.Event) {
 	var (
 		typ  string
 		hash util.Uint256
@@ -34,16 +34,16 @@ func (gp *Processor) HandleAlphabetSync(e event.Event) {
 		return
 	}
 
-	gp.log.Info(context.Background(), logs.GovernanceNewEvent, zap.String("type", typ))
+	gp.log.Info(ctx, logs.GovernanceNewEvent, zap.String("type", typ))
 
 	// send event to the worker pool
 
 	err := processors.SubmitEvent(gp.pool, gp.metrics, "alphabet_sync", func() bool {
-		return gp.processAlphabetSync(hash)
+		return gp.processAlphabetSync(ctx, hash)
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		gp.log.Warn(context.Background(), logs.GovernanceGovernanceWorkerPoolDrained,
+		gp.log.Warn(ctx, logs.GovernanceGovernanceWorkerPoolDrained,
 			zap.Int("capacity", gp.pool.Cap()))
 	}
 }

pkg/innerring/processors/governance/handlers_test.go

@@ -1,6 +1,7 @@
 package governance
 
 import (
+	"context"
 	"encoding/binary"
 	"sort"
 	"testing"
@@ -57,7 +58,7 @@ func TestHandleAlphabetSyncEvent(t *testing.T) {
 		txHash: util.Uint256{100},
 	}
 
-	proc.HandleAlphabetSync(ev)
+	proc.HandleAlphabetSync(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -133,7 +134,7 @@ func TestHandleAlphabetDesignateEvent(t *testing.T) {
 		Role:   noderoles.NeoFSAlphabet,
 	}
 
-	proc.HandleAlphabetSync(ev)
+	proc.HandleAlphabetSync(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -226,7 +227,7 @@ type testVoter struct {
 	votes []VoteValidatorPrm
 }
 
-func (v *testVoter) VoteForSidechainValidator(prm VoteValidatorPrm) error {
+func (v *testVoter) VoteForSidechainValidator(_ context.Context, prm VoteValidatorPrm) error {
 	v.votes = append(v.votes, prm)
 	return nil
 }

pkg/innerring/processors/governance/process_update.go

@@ -19,39 +19,39 @@ const (
 	alphabetUpdateIDPrefix = "AlphabetUpdate"
 )
 
-func (gp *Processor) processAlphabetSync(txHash util.Uint256) bool {
+func (gp *Processor) processAlphabetSync(ctx context.Context, txHash util.Uint256) bool {
 	if !gp.alphabetState.IsAlphabet() {
-		gp.log.Info(context.Background(), logs.GovernanceNonAlphabetModeIgnoreAlphabetSync)
+		gp.log.Info(ctx, logs.GovernanceNonAlphabetModeIgnoreAlphabetSync)
 		return true
 	}
 
 	mainnetAlphabet, err := gp.mainnetClient.NeoFSAlphabetList()
 	if err != nil {
-		gp.log.Error(context.Background(), logs.GovernanceCantFetchAlphabetListFromMainNet,
+		gp.log.Error(ctx, logs.GovernanceCantFetchAlphabetListFromMainNet,
 			zap.String("error", err.Error()))
 		return false
 	}
 
 	sidechainAlphabet, err := gp.morphClient.Committee()
 	if err != nil {
-		gp.log.Error(context.Background(), logs.GovernanceCantFetchAlphabetListFromSideChain,
+		gp.log.Error(ctx, logs.GovernanceCantFetchAlphabetListFromSideChain,
 			zap.String("error", err.Error()))
 		return false
 	}
 
 	newAlphabet, err := newAlphabetList(sidechainAlphabet, mainnetAlphabet)
 	if err != nil {
-		gp.log.Error(context.Background(), logs.GovernanceCantMergeAlphabetListsFromMainNetAndSideChain,
+		gp.log.Error(ctx, logs.GovernanceCantMergeAlphabetListsFromMainNetAndSideChain,
 			zap.String("error", err.Error()))
 		return false
 	}
 
 	if newAlphabet == nil {
-		gp.log.Info(context.Background(), logs.GovernanceNoGovernanceUpdateAlphabetListHasNotBeenChanged)
+		gp.log.Info(ctx, logs.GovernanceNoGovernanceUpdateAlphabetListHasNotBeenChanged)
 		return true
 	}
 
-	gp.log.Info(context.Background(), logs.GovernanceAlphabetListHasBeenChangedStartingUpdate,
+	gp.log.Info(ctx, logs.GovernanceAlphabetListHasBeenChangedStartingUpdate,
 		zap.String("side_chain_alphabet", prettyKeys(sidechainAlphabet)),
 		zap.String("new_alphabet", prettyKeys(newAlphabet)),
 	)
@@ -62,9 +62,9 @@ func (gp *Processor) processAlphabetSync(txHash util.Uint256) bool {
 	}
 
 	// 1. Vote to sidechain committee via alphabet contracts.
-	err = gp.voter.VoteForSidechainValidator(votePrm)
+	err = gp.voter.VoteForSidechainValidator(ctx, votePrm)
 	if err != nil {
-		gp.log.Error(context.Background(), logs.GovernanceCantVoteForSideChainCommittee,
+		gp.log.Error(ctx, logs.GovernanceCantVoteForSideChainCommittee,
 			zap.String("error", err.Error()))
 	}
 
@@ -77,7 +77,7 @@ func (gp *Processor) processAlphabetSync(txHash util.Uint256) bool {
 	// 4. Update FrostFS contract in the mainnet.
 	gp.updateFrostFSContractInMainnet(newAlphabet)
 
-	gp.log.Info(context.Background(), logs.GovernanceFinishedAlphabetListUpdate)
+	gp.log.Info(ctx, logs.GovernanceFinishedAlphabetListUpdate)
 
 	return true
 }

pkg/innerring/processors/governance/processor.go

@@ -1,6 +1,7 @@
 package governance
 
 import (
+	"context"
 	"errors"
 	"fmt"
 
@@ -38,7 +39,7 @@ type VoteValidatorPrm struct {
 
 // Voter is a callback interface for alphabet contract voting.
 type Voter interface {
-	VoteForSidechainValidator(VoteValidatorPrm) error
+	VoteForSidechainValidator(context.Context, VoteValidatorPrm) error
 }
 
 type (

pkg/innerring/processors/netmap/handlers.go

@@ -12,13 +12,13 @@ import (
 	"go.uber.org/zap"
 )
 
-func (np *Processor) HandleNewEpochTick(ev event.Event) {
+func (np *Processor) HandleNewEpochTick(ctx context.Context, ev event.Event) {
 	_ = ev.(timerEvent.NewEpochTick)
 	np.log.Info(context.Background(), logs.NetmapTick, zap.String("type", "epoch"))
 
 	// send an event to the worker pool
 
-	err := processors.SubmitEvent(np.pool, np.metrics, "netmap_new_epoch_tick", np.processNewEpochTick)
+	err := processors.SubmitEvent(np.pool, np.metrics, "netmap_new_epoch_tick", func() bool { return np.processNewEpochTick(ctx) })
 	if err != nil {
 		// there system can be moved into controlled degradation stage
 		np.log.Warn(context.Background(), logs.NetmapNetmapWorkerPoolDrained,
@@ -26,28 +26,28 @@ func (np *Processor) HandleNewEpochTick(ev event.Event) {
 	}
 }
 
-func (np *Processor) handleNewEpoch(ev event.Event) {
+func (np *Processor) handleNewEpoch(ctx context.Context, ev event.Event) {
 	epochEvent := ev.(netmapEvent.NewEpoch)
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "new epoch"),
 		zap.Uint64("value", epochEvent.EpochNumber()))
 
 	// send an event to the worker pool
 
 	err := processors.SubmitEvent(np.pool, np.metrics, "netmap_new_epoch", func() bool {
-		return np.processNewEpoch(epochEvent)
+		return np.processNewEpoch(ctx, epochEvent)
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.NetmapNetmapWorkerPoolDrained,
+		np.log.Warn(ctx, logs.NetmapNetmapWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }
 
-func (np *Processor) handleAddPeer(ev event.Event) {
+func (np *Processor) handleAddPeer(ctx context.Context, ev event.Event) {
 	newPeer := ev.(netmapEvent.AddPeer)
 
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "add peer"),
 	)
 
@@ -58,14 +58,14 @@ func (np *Processor) handleAddPeer(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.NetmapNetmapWorkerPoolDrained,
+		np.log.Warn(ctx, logs.NetmapNetmapWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }
 
-func (np *Processor) handleUpdateState(ev event.Event) {
+func (np *Processor) handleUpdateState(ctx context.Context, ev event.Event) {
 	updPeer := ev.(netmapEvent.UpdatePeer)
-	np.log.Info(context.Background(), logs.Notification,
+	np.log.Info(ctx, logs.Notification,
 		zap.String("type", "update peer state"),
 		zap.String("key", hex.EncodeToString(updPeer.PublicKey().Bytes())))
 
@@ -76,21 +76,21 @@ func (np *Processor) handleUpdateState(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.NetmapNetmapWorkerPoolDrained,
+		np.log.Warn(ctx, logs.NetmapNetmapWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }
 
-func (np *Processor) handleCleanupTick(ev event.Event) {
+func (np *Processor) handleCleanupTick(ctx context.Context, ev event.Event) {
 	if !np.netmapSnapshot.enabled {
-		np.log.Debug(context.Background(), logs.NetmapNetmapCleanUpRoutineIsDisabled518)
+		np.log.Debug(ctx, logs.NetmapNetmapCleanUpRoutineIsDisabled518)
 
 		return
 	}
 
 	cleanup := ev.(netmapCleanupTick)
 
-	np.log.Info(context.Background(), logs.NetmapTick, zap.String("type", "netmap cleaner"))
+	np.log.Info(ctx, logs.NetmapTick, zap.String("type", "netmap cleaner"))
 
 	// send event to the worker pool
 	err := processors.SubmitEvent(np.pool, np.metrics, "netmap_cleanup_tick", func() bool {
@@ -98,7 +98,7 @@ func (np *Processor) handleCleanupTick(ev event.Event) {
 	})
 	if err != nil {
 		// there system can be moved into controlled degradation stage
-		np.log.Warn(context.Background(), logs.NetmapNetmapWorkerPoolDrained,
+		np.log.Warn(ctx, logs.NetmapNetmapWorkerPoolDrained,
 			zap.Int("capacity", np.pool.Cap()))
 	}
 }

pkg/innerring/processors/netmap/handlers_test.go

@@ -1,6 +1,7 @@
 package netmap
 
 import (
+	"context"
 	"fmt"
 	"testing"
 	"time"
@@ -38,7 +39,7 @@ func TestNewEpochTick(t *testing.T) {
 	require.NoError(t, err, "failed to create processor")
 
 	ev := timerEvent.NewEpochTick{}
-	proc.HandleNewEpochTick(ev)
+	proc.HandleNewEpochTick(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -90,7 +91,7 @@ func TestNewEpoch(t *testing.T) {
 		Num:  101,
 		Hash: util.Uint256{101},
 	}
-	proc.handleNewEpoch(ev)
+	proc.handleNewEpoch(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -130,7 +131,7 @@ func TestAddPeer(t *testing.T) {
 			MainTransaction: &transaction.Transaction{},
 		},
 	}
-	proc.handleAddPeer(ev)
+	proc.handleAddPeer(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -145,7 +146,7 @@ func TestAddPeer(t *testing.T) {
 			MainTransaction: &transaction.Transaction{},
 		},
 	}
-	proc.handleAddPeer(ev)
+	proc.handleAddPeer(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -188,7 +189,7 @@ func TestUpdateState(t *testing.T) {
 			MainTransaction: &transaction.Transaction{},
 		},
 	}
-	proc.handleUpdateState(ev)
+	proc.handleUpdateState(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -232,7 +233,7 @@ func TestCleanupTick(t *testing.T) {
 		txHash: util.Uint256{123},
 	}
 
-	proc.handleCleanupTick(ev)
+	proc.handleCleanupTick(context.Background(), ev)
 
 	for proc.pool.Running() > 0 {
 		time.Sleep(10 * time.Millisecond)
@@ -413,6 +414,6 @@ type testEventHandler struct {
 	handledEvents []event.Event
 }
 
-func (h *testEventHandler) Handle(e event.Event) {
+func (h *testEventHandler) Handle(_ context.Context, e event.Event) {
 	h.handledEvents = append(h.handledEvents, e)
 }

pkg/innerring/processors/netmap/process_epoch.go

@@ -11,12 +11,12 @@ import (
 
 // Process new epoch notification by setting global epoch value and resetting
 // local epoch timer.
-func (np *Processor) processNewEpoch(ev netmapEvent.NewEpoch) bool {
+func (np *Processor) processNewEpoch(ctx context.Context, ev netmapEvent.NewEpoch) bool {
 	epoch := ev.EpochNumber()
 
 	epochDuration, err := np.netmapClient.EpochDuration()
 	if err != nil {
-		np.log.Warn(context.Background(), logs.NetmapCantGetEpochDuration,
+		np.log.Warn(ctx, logs.NetmapCantGetEpochDuration,
 			zap.String("error", err.Error()))
 	} else {
 		np.epochState.SetEpochDuration(epochDuration)
@@ -26,46 +26,46 @@ func (np *Processor) processNewEpoch(ev netmapEvent.NewEpoch) bool {
 
 	h, err := np.netmapClient.MorphTxHeight(ev.TxHash())
 	if err != nil {
-		np.log.Warn(context.Background(), logs.NetmapCantGetTransactionHeight,
+		np.log.Warn(ctx, logs.NetmapCantGetTransactionHeight,
 			zap.String("hash", ev.TxHash().StringLE()),
 			zap.String("error", err.Error()))
 	}
 
 	if err := np.epochTimer.ResetEpochTimer(h); err != nil {
-		np.log.Warn(context.Background(), logs.NetmapCantResetEpochTimer,
+		np.log.Warn(ctx, logs.NetmapCantResetEpochTimer,
 			zap.String("error", err.Error()))
 	}
 
 	// get new netmap snapshot
 	networkMap, err := np.netmapClient.NetMap()
 	if err != nil {
-		np.log.Warn(context.Background(), logs.NetmapCantGetNetmapSnapshotToPerformCleanup,
+		np.log.Warn(ctx, logs.NetmapCantGetNetmapSnapshotToPerformCleanup,
 			zap.String("error", err.Error()))
 
 		return false
 	}
 
 	np.netmapSnapshot.update(*networkMap, epoch)
-	np.handleCleanupTick(netmapCleanupTick{epoch: epoch, txHash: ev.TxHash()})
+	np.handleCleanupTick(ctx, netmapCleanupTick{epoch: epoch, txHash: ev.TxHash()})
-	np.handleAlphabetSync(governance.NewSyncEvent(ev.TxHash()))
+	np.handleAlphabetSync(ctx, governance.NewSyncEvent(ev.TxHash()))
-	np.handleNotaryDeposit(ev)
+	np.handleNotaryDeposit(ctx, ev)
 
 	return true
 }
 
 // Process new epoch tick by invoking new epoch method in network map contract.
-func (np *Processor) processNewEpochTick() bool {
+func (np *Processor) processNewEpochTick(ctx context.Context) bool {
 	if !np.alphabetState.IsAlphabet() {
-		np.log.Info(context.Background(), logs.NetmapNonAlphabetModeIgnoreNewEpochTick)
+		np.log.Info(ctx, logs.NetmapNonAlphabetModeIgnoreNewEpochTick)
 		return true
 	}
 
 	nextEpoch := np.epochState.EpochCounter() + 1
-	np.log.Debug(context.Background(), logs.NetmapNextEpoch, zap.Uint64("value", nextEpoch))
+	np.log.Debug(ctx, logs.NetmapNextEpoch, zap.Uint64("value", nextEpoch))
 
 	err := np.netmapClient.NewEpoch(nextEpoch)
 	if err != nil {
-		np.log.Error(context.Background(), logs.NetmapCantInvokeNetmapNewEpoch, zap.Error(err))
+		np.log.Error(ctx, logs.NetmapCantInvokeNetmapNewEpoch, zap.Error(err))
 		return false
 	}
 

pkg/innerring/state.go

@@ -48,8 +48,8 @@ func (s *Server) SetEpochDuration(val uint64) {
 }
 
 // IsActive is a getter for a global active flag state.
-func (s *Server) IsActive() bool {
+func (s *Server) IsActive(ctx context.Context) bool {
-	return s.InnerRingIndex() >= 0
+	return s.InnerRingIndex(ctx) >= 0
 }
 
 // IsAlphabet is a getter for a global alphabet flag state.
@@ -59,10 +59,10 @@ func (s *Server) IsAlphabet() bool {
 
 // InnerRingIndex is a getter for a global index of node in inner ring list. Negative
 // index means that node is not in the inner ring list.
-func (s *Server) InnerRingIndex() int {
+func (s *Server) InnerRingIndex(ctx context.Context) int {
 	index, err := s.statusIndex.InnerRingIndex()
 	if err != nil {
-		s.log.Error(context.Background(), logs.InnerringCantGetInnerRingIndex, zap.String("error", err.Error()))
+		s.log.Error(ctx, logs.InnerringCantGetInnerRingIndex, zap.String("error", err.Error()))
 		return -1
 	}
 
@@ -71,10 +71,10 @@ func (s *Server) InnerRingIndex() int {
 
 // InnerRingSize is a getter for a global size of inner ring list. This value
 // paired with inner ring index.
-func (s *Server) InnerRingSize() int {
+func (s *Server) InnerRingSize(ctx context.Context) int {
 	size, err := s.statusIndex.InnerRingSize()
 	if err != nil {
-		s.log.Error(context.Background(), logs.InnerringCantGetInnerRingSize, zap.String("error", err.Error()))
+		s.log.Error(ctx, logs.InnerringCantGetInnerRingSize, zap.String("error", err.Error()))
 		return 0
 	}
 
@@ -93,18 +93,18 @@ func (s *Server) AlphabetIndex() int {
 	return int(index)
 }
 
-func (s *Server) voteForSidechainValidator(prm governance.VoteValidatorPrm) error {
+func (s *Server) voteForSidechainValidator(ctx context.Context, prm governance.VoteValidatorPrm) error {
 	validators := prm.Validators
 
-	index := s.InnerRingIndex()
+	index := s.InnerRingIndex(ctx)
 	if s.contracts.alphabet.indexOutOfRange(index) {
-		s.log.Info(context.Background(), logs.InnerringIgnoreValidatorVoteNodeNotInAlphabetRange)
+		s.log.Info(ctx, logs.InnerringIgnoreValidatorVoteNodeNotInAlphabetRange)
 
 		return nil
 	}
 
 	if len(validators) == 0 {
-		s.log.Info(context.Background(), logs.InnerringIgnoreValidatorVoteEmptyValidatorsList)
+		s.log.Info(ctx, logs.InnerringIgnoreValidatorVoteEmptyValidatorsList)
 
 		return nil
 	}
@@ -129,7 +129,7 @@ func (s *Server) voteForSidechainValidator(prm governance.VoteValidatorPrm) erro
 	s.contracts.alphabet.iterate(func(letter GlagoliticLetter, contract util.Uint160) {
 		_, err := s.morphClient.NotaryInvoke(contract, s.feeConfig.SideChainFee(), nonce, vubP, voteMethod, epoch, validators)
 		if err != nil {
-			s.log.Warn(context.Background(), logs.InnerringCantInvokeVoteMethodInAlphabetContract,
+			s.log.Warn(ctx, logs.InnerringCantInvokeVoteMethodInAlphabetContract,
 				zap.Int8("alphabet_index", int8(letter)),
 				zap.Uint64("epoch", epoch),
 				zap.String("error", err.Error()))
@@ -141,9 +141,9 @@ func (s *Server) voteForSidechainValidator(prm governance.VoteValidatorPrm) erro
 
 // VoteForSidechainValidator calls vote method on alphabet contracts with
 // the provided list of keys.
-func (s *Server) VoteForSidechainValidator(prm governance.VoteValidatorPrm) error {
+func (s *Server) VoteForSidechainValidator(ctx context.Context, prm governance.VoteValidatorPrm) error {
 	sort.Sort(prm.Validators)
-	return s.voteForSidechainValidator(prm)
+	return s.voteForSidechainValidator(ctx, prm)
 }
 
 // ResetEpochTimer resets the block timer that produces events to update epoch

pkg/innerring/state_test.go

@@ -46,9 +46,9 @@ func TestServerState(t *testing.T) {
 	srv.setHealthStatus(context.Background(), healthStatus)
 	require.Equal(t, healthStatus, srv.HealthStatus(), "invalid health status")
 
-	require.True(t, srv.IsActive(), "invalid IsActive result")
+	require.True(t, srv.IsActive(context.Background()), "invalid IsActive result")
 	require.True(t, srv.IsAlphabet(), "invalid IsAlphabet result")
-	require.Equal(t, 0, srv.InnerRingIndex(), "invalid IR index")
+	require.Equal(t, 0, srv.InnerRingIndex(context.Background()), "invalid IR index")
-	require.Equal(t, 1, srv.InnerRingSize(), "invalid IR index")
+	require.Equal(t, 1, srv.InnerRingSize(context.Background()), "invalid IR index")
 	require.Equal(t, 0, srv.AlphabetIndex(), "invalid alphabet index")
 }

pkg/morph/event/handlers.go

@@ -1,11 +1,13 @@
 package event
 
 import (
+	"context"
+
 	"github.com/nspcc-dev/neo-go/pkg/core/block"
 )
 
 // Handler is an Event processing function.
-type Handler func(Event)
+type Handler func(context.Context, Event)
 
 // BlockHandler is a chain block processing function.
 type BlockHandler func(*block.Block)

pkg/morph/event/listener.go

@@ -280,7 +280,7 @@ loop:
 				continue loop
 			}
 
-			l.handleNotaryEvent(notaryEvent)
+			l.handleNotaryEvent(ctx, notaryEvent)
 		case b, ok := <-chs.BlockCh:
 			if !ok {
 				l.log.Warn(ctx, logs.EventStopEventListenerByBlockChannel)
@@ -307,11 +307,11 @@ func (l *listener) handleBlockEvent(b *block.Block) {
 	}
 }
 
-func (l *listener) handleNotaryEvent(notaryEvent *result.NotaryRequestEvent) {
+func (l *listener) handleNotaryEvent(ctx context.Context, notaryEvent *result.NotaryRequestEvent) {
 	if err := l.pool.Submit(func() {
-		l.parseAndHandleNotary(notaryEvent)
+		l.parseAndHandleNotary(ctx, notaryEvent)
 	}); err != nil {
-		l.log.Warn(context.Background(), logs.EventListenerWorkerPoolDrained,
+		l.log.Warn(ctx, logs.EventListenerWorkerPoolDrained,
 			zap.Int("capacity", l.pool.Cap()))
 	}
 }
@@ -376,11 +376,11 @@ func (l *listener) parseAndHandleNotification(ctx context.Context, notifyEvent *
 	}
 
 	for _, handler := range handlers {
-		handler(event)
+		handler(ctx, event)
 	}
 }
 
-func (l *listener) parseAndHandleNotary(nr *result.NotaryRequestEvent) {
+func (l *listener) parseAndHandleNotary(ctx context.Context, nr *result.NotaryRequestEvent) {
 	// prepare the notary event
 	notaryEvent, err := l.notaryEventsPreparator.Prepare(nr.NotaryRequest)
 	if err != nil {
@@ -388,13 +388,13 @@ func (l *listener) parseAndHandleNotary(nr *result.NotaryRequestEvent) {
 		switch {
 		case errors.Is(err, ErrTXAlreadyHandled):
 		case errors.As(err, &expErr):
-			l.log.Warn(context.Background(), logs.EventSkipExpiredMainTXNotaryEvent,
+			l.log.Warn(ctx, logs.EventSkipExpiredMainTXNotaryEvent,
 				zap.String("error", err.Error()),
 				zap.Uint32("current_block_height", expErr.CurrentBlockHeight),
 				zap.Uint32("fallback_tx_not_valid_before_height", expErr.FallbackTXNotValidBeforeHeight),
 			)
 		default:
-			l.log.Warn(context.Background(), logs.EventCouldNotPrepareAndValidateNotaryEvent,
+			l.log.Warn(ctx, logs.EventCouldNotPrepareAndValidateNotaryEvent,
 				zap.String("error", err.Error()),
 			)
 		}
@@ -418,7 +418,7 @@ func (l *listener) parseAndHandleNotary(nr *result.NotaryRequestEvent) {
 	l.mtx.RUnlock()
 
 	if !ok {
-		log.Debug(context.Background(), logs.EventNotaryParserNotSet)
+		log.Debug(ctx, logs.EventNotaryParserNotSet)
 
 		return
 	}
@@ -426,7 +426,7 @@ func (l *listener) parseAndHandleNotary(nr *result.NotaryRequestEvent) {
 	// parse the notary event
 	event, err := parser(notaryEvent)
 	if err != nil {
-		log.Warn(context.Background(), logs.EventCouldNotParseNotaryEvent,
+		log.Warn(ctx, logs.EventCouldNotParseNotaryEvent,
 			zap.String("error", err.Error()),
 		)
 
@@ -439,14 +439,14 @@ func (l *listener) parseAndHandleNotary(nr *result.NotaryRequestEvent) {
 	l.mtx.RUnlock()
 
 	if !ok {
-		log.Info(context.Background(), logs.EventNotaryHandlersForParsedNotificationEventWereNotRegistered,
+		log.Info(ctx, logs.EventNotaryHandlersForParsedNotificationEventWereNotRegistered,
 			zap.Any("event", event),
 		)
 
 		return
 	}
 
-	handler(event)
+	handler(ctx, event)
 }
 
 // SetNotificationParser sets the parser of particular contract event.

pkg/morph/event/listener_test.go

@@ -59,7 +59,7 @@ func TestEventHandling(t *testing.T) {
 	handledNotifications := make([]Event, 0)
 	l.RegisterNotificationHandler(NotificationHandlerInfo{
 		scriptHashWithType: key,
-		h: func(e Event) {
+		h: func(_ context.Context, e Event) {
 			handledNotifications = append(handledNotifications, e)
 			notificationHandled <- true
 		},

pkg/morph/event/utils.go

@@ -85,12 +85,12 @@ func (s typeValue) GetType() Type {
 
 // WorkerPoolHandler sets closure over worker pool w with passed handler h.
 func WorkerPoolHandler(w util2.WorkerPool, h Handler, log *logger.Logger) Handler {
-	return func(e Event) {
+	return func(ctx context.Context, e Event) {
 		err := w.Submit(func() {
-			h(e)
+			h(ctx, e)
 		})
 		if err != nil {
-			log.Warn(context.Background(), logs.EventCouldNotSubmitHandlerToWorkerPool,
+			log.Warn(ctx, logs.EventCouldNotSubmitHandlerToWorkerPool,
 				zap.String("error", err.Error()),
 			)
 		}