cmd/frostfs-node/billing.go

@@ -0,0 +1,61 @@
+package main
+
+import (
+	"context"
+	"net"
+
+	billingconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/billing"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/billing"
+	billingSvc "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/billing/server"
+	"go.uber.org/zap"
+	"google.golang.org/grpc"
+)
+
+const serviceNameBilling = "billing"
+
+func initBillingService(c *cfg) {
+	endpoint := billingconfig.GRPC(c.appCfg).Endpoint()
+	if endpoint == billingconfig.GRPCEndpointDefault {
+		c.log.Info(logs.FrostFSNodeBillingServiceDisabled)
+		return
+	}
+
+	pubs := billingconfig.AuthorizedKeys(c.appCfg)
+	rawPubs := make([][]byte, 0, len(pubs)+1)
+	rawPubs = append(rawPubs, c.key.PublicKey().Bytes())
+
+	for i := range pubs {
+		rawPubs = append(rawPubs, pubs[i].Bytes())
+	}
+
+	billingSvc := billingSvc.New(
+		&c.key.PrivateKey,
+		rawPubs,
+		c.cfgObject.cnrSource,
+		c.cfgObject.cfgLocalStorage.localStorage,
+	)
+
+	lis, err := net.Listen("tcp", endpoint)
+	if err != nil {
+		c.log.Error(logs.FrostFSNodeCantListenGRPCEndpointBilling, zap.Error(err))
+		return
+	}
+
+	c.cfgBillingService.server = grpc.NewServer()
+
+	c.onShutdown(func() {
+		stopGRPC("FrostFS Billing API", c.cfgBillingService.server, c.log)
+	})
+
+	billing.RegisterBillingServiceServer(c.cfgBillingService.server, billingSvc)
+
+	c.workers = append(c.workers, newWorkerFromFunc(func(ctx context.Context) {
+		runAndLog(ctx, c, serviceNameBilling, false, func(context.Context, *cfg) {
+			c.log.Info(logs.FrostFSNodeStartListeningEndpoint,
+				zap.String("service", serviceNameBilling),
+				zap.String("endpoint", endpoint))
+			fatalOnErr(c.cfgBillingService.server.Serve(lis))
+		})
+	}))
+}

cmd/frostfs-node/config.go

@@ -457,6 +457,7 @@ type cfg struct {
 	cfgControlService cfgControlService
 	cfgObject         cfgObject
 	cfgNotifications  cfgNotifications
+	cfgBillingService cfgBillingService
 }
 
 // ReadCurrentNetMap reads network map which has been cached at the
@@ -643,6 +644,10 @@ type cfgControlService struct {
 	server *grpc.Server
 }
 
+type cfgBillingService struct {
+	server *grpc.Server
+}
+
 var persistateSideChainLastBlockKey = []byte("side_chain_last_processed_block")
 
 func initCfg(appCfg *config.Config) *cfg {

cmd/frostfs-node/config/billing/config.go

@@ -0,0 +1,58 @@
+package billing
+
+import (
+	"fmt"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+)
+
+type GRPCConfig struct {
+	cfg *config.Config
+}
+
+const (
+	subsection     = "billing"
+	grpcSubsection = "grpc"
+
+	// GRPCEndpointDefault is a default endpoint of gRPC Billing service.
+	GRPCEndpointDefault = ""
+)
+
+// AuthorizedKeys parses and returns an array of "authorized_keys" config
+// parameter from "control" section.
+//
+// Returns an empty list if not set.
+func AuthorizedKeys(c *config.Config) keys.PublicKeys {
+	strKeys := config.StringSliceSafe(c.Sub(subsection), "authorized_keys")
+	pubs := make(keys.PublicKeys, 0, len(strKeys))
+
+	for i := range strKeys {
+		pub, err := keys.NewPublicKeyFromString(strKeys[i])
+		if err != nil {
+			panic(fmt.Errorf("invalid permitted key for Billing service %s: %w", strKeys[i], err))
+		}
+
+		pubs = append(pubs, pub)
+	}
+
+	return pubs
+}
+
+func GRPC(c *config.Config) GRPCConfig {
+	return GRPCConfig{
+		c.Sub(subsection).Sub(grpcSubsection),
+	}
+}
+
+// Endpoint returns the value of "endpoint" config parameter.
+//
+// Returns GRPCEndpointDefault if the value is not a non-empty string.
+func (g GRPCConfig) Endpoint() string {
+	v := config.String(g.cfg, "endpoint")
+	if v != "" {
+		return v
+	}
+
+	return GRPCEndpointDefault
+}

cmd/frostfs-node/config/billing/config_test.go

@@ -0,0 +1,37 @@
+package billing_test
+
+import (
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config"
+	billingconfig "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/billing"
+	configtest "git.frostfs.info/TrueCloudLab/frostfs-node/cmd/frostfs-node/config/test"
+	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
+	"github.com/stretchr/testify/require"
+)
+
+func TestBillingSection(t *testing.T) {
+	t.Run("defaults", func(t *testing.T) {
+		empty := configtest.EmptyConfig()
+
+		require.Empty(t, billingconfig.AuthorizedKeys(empty))
+		require.Equal(t, billingconfig.GRPCEndpointDefault, billingconfig.GRPC(empty).Endpoint())
+	})
+
+	const path = "../../../../config/example/node"
+
+	pubs := make(keys.PublicKeys, 2)
+	pubs[0], _ = keys.NewPublicKeyFromString("035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11")
+	pubs[1], _ = keys.NewPublicKeyFromString("028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6")
+
+	fileConfigTest := func(c *config.Config) {
+		require.Equal(t, pubs, billingconfig.AuthorizedKeys(c))
+		require.Equal(t, "localhost:8092", billingconfig.GRPC(c).Endpoint())
+	}
+
+	configtest.ForEachFileType(path, fileConfigTest)
+
+	t.Run("ENV", func(t *testing.T) {
+		configtest.ForEnvFileType(t, path, fileConfigTest)
+	})
+}

cmd/frostfs-node/main.go

@@ -115,6 +115,7 @@ func initApp(ctx context.Context, c *cfg) {
 	initAndLog(c, "object", initObjectService)
 	initAndLog(c, "tree", initTreeService)
 	initAndLog(c, "control", initControlService)
+	initAndLog(c, "billing", initBillingService)
 
 	initAndLog(c, "morph notifications", func(c *cfg) { listenMorphNotifications(ctx, c) })
 }

config/example/node.env

@@ -56,6 +56,10 @@ FROSTFS_GRPC_1_TLS_ENABLED=false
 FROSTFS_CONTROL_AUTHORIZED_KEYS="035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11 028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6"
 FROSTFS_CONTROL_GRPC_ENDPOINT=localhost:8090
 
+# Billing service section
+FROSTFS_BILLING_AUTHORIZED_KEYS="035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11 028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6"
+FROSTFS_BILLING_GRPC_ENDPOINT=localhost:8092
+
 # Contracts section
 FROSTFS_CONTRACTS_BALANCE=5263abba1abedbf79bb57f3e40b50b4425d2d6cd
 FROSTFS_CONTRACTS_CONTAINER=5d084790d7aa36cea7b53fe897380dab11d2cd3c

config/example/node.json

@@ -91,6 +91,15 @@
       "endpoint": "localhost:8090"
     }
   },
+  "billing": {
+    "authorized_keys": [
+      "035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11",
+      "028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6"
+    ],
+    "grpc": {
+      "endpoint": "localhost:8092"
+    }
+  },
   "contracts": {
     "balance": "5263abba1abedbf79bb57f3e40b50b4425d2d6cd",
     "container": "5d084790d7aa36cea7b53fe897380dab11d2cd3c",

config/example/node.yaml

@@ -77,6 +77,13 @@ control:
   grpc:
     endpoint: localhost:8090  # endpoint that is listened by the Control Service
 
+billing:
+  authorized_keys:  # list of hex-encoded public keys that have rights to use the Billing Service
+    - 035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11
+    - 028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6
+  grpc:
+    endpoint: localhost:8092  # endpoint that is listened by the Billing Service
+
 contracts:  # side chain NEOFS contract script hashes; optional, override values retrieved from NNS contract
   balance: 5263abba1abedbf79bb57f3e40b50b4425d2d6cd
   container: 5d084790d7aa36cea7b53fe897380dab11d2cd3c

dev/.vscode-example/launch.json

@@ -48,6 +48,8 @@
                 "FROSTFS_GRPC_0_ENDPOINT":"127.0.0.1:8080",
                 "FROSTFS_CONTROL_GRPC_ENDPOINT":"127.0.0.1:8081",
                 "FROSTFS_CONTROL_AUTHORIZED_KEYS":"031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a",
+                "FROSTFS_BILLING_GRPC_ENDPOINT":"127.0.0.1:8082",
+                "FROSTFS_BILLING_AUTHORIZED_KEYS":"031a6c6fbbdf02ca351745fa86b9ba5a9452d785ac4f7fc2b7548ca2a46c4fcf4a",
                 "FROSTFS_NODE_ATTRIBUTE_0":"User-Agent:FrostFS/dev",
                 "FROSTFS_NODE_ATTRIBUTE_1":"UN-LOCODE:RU MOW",
                 "FROSTFS_NODE_PERSISTENT_STATE_PATH":"${workspaceFolder}/.cache/.frostfs-node-state",

docs/storage-node-configuration.md

@@ -18,6 +18,7 @@ There are some custom types used for brevity:
 | `pprof`      | [PProf configuration](#pprof-section)                   |
 | `prometheus` | [Prometheus metrics configuration](#prometheus-section) |
 | `control`    | [Control service configuration](#control-section)       |
+| `billing`    | [Billing service configuration](#billing-section)       |
 | `contracts`  | [Override FrostFS contracts hashes](#contracts-section) |
 | `morph`      | [N3 blockchain client configuration](#morph-section)    |
 | `apiclient`  | [FrostFS API client configuration](#apiclient-section)  |
@@ -41,6 +42,20 @@ control:
 | `authorized_keys` | `[]public key` | empty         | List of public keys which are used to authorize requests to the control service. |
 | `grpc.endpoint`   | `string`       | empty         | Address that control service listener binds to.                                  |
 
+# `billing` section
+```yaml
+billing:
+  authorized_keys:
+    - 035839e45d472a3b7769a2a1bd7d54c4ccd4943c3b40f547870e83a8fcbfb3ce11
+    - 028f42cfcb74499d7b15b35d9bff260a1c8d27de4f446a627406a382d8961486d6
+  grpc:
+    endpoint: 127.0.0.1:8092
+```
+| Parameter         | Type           | Default value | Description                                                                      |
+|-------------------|----------------|---------------|----------------------------------------------------------------------------------|
+| `authorized_keys` | `[]public key` | empty         | List of public keys which are used to authorize requests to the billing service. |
+| `grpc.endpoint`   | `string`       | empty         | Address that billing service listener binds to.                                  |
+
 # `grpc` section
 ```yaml
 grpc:

internal/logs/logs.go

@@ -487,6 +487,8 @@ const (
 	FrostFSNodeRemovingAllTreesForContainer                                 = "removing all trees for container"
 	FrostFSNodeContainerRemovalEventReceivedButTreesWerentRemoved           = "container removal event received, but trees weren't removed"
 	FrostFSNodeCantListenGRPCEndpointControl                                = "can't listen gRPC endpoint (control)"
+	FrostFSNodeCantListenGRPCEndpointBilling                                = "can't listen gRPC endpoint (billing)"
+	FrostFSNodeBillingServiceDisabled                                       = "billing service is disabled"
 	FrostFSNodePolicerIsDisabled                                            = "policer is disabled"
 	CommonApplicationStarted                                                = "application started"
 	ShardGCCollectingExpiredObjectsStarted                                  = "collecting expired objects started"

pkg/local_object_storage/engine/container_stat.go

@@ -0,0 +1,167 @@
+package engine
+
+import (
+	"bytes"
+	"context"
+	"errors"
+	"sort"
+	"sync"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
+	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+	"golang.org/x/sync/errgroup"
+)
+
+type ContainerStatPrm struct {
+	ContainerID []cid.ID
+
+	Limit                uint32
+	StartFromContainerID *cid.ID
+}
+
+type ContainerStatRes struct {
+	ContainerStats []ContainerStat
+	Partial        bool
+}
+
+type ContainerStat struct {
+	ContainerID                     cid.ID
+	SizeLogic                       uint64
+	CountPhy, CountLogic, CountUser uint64
+}
+
+var errInvalidLimit = errors.New("limit must be greater than zero")
+
+func (e *StorageEngine) ContainerStat(ctx context.Context, prm ContainerStatPrm) (*ContainerStatRes, error) {
+	if e.metrics != nil {
+		defer elapsed("ContainerStat", e.metrics.AddMethodDuration)()
+	}
+
+	ctx, span := tracing.StartSpanFromContext(ctx, "StorageEngine.ContainerStat",
+		trace.WithAttributes(
+			attribute.Int("container_ids", len(prm.ContainerID)),
+			attribute.Int64("limit", int64(prm.Limit)),
+			attribute.Bool("start_from_container_id", prm.StartFromContainerID != nil),
+		))
+	defer span.End()
+
+	if len(prm.ContainerID) == 0 && prm.Limit == 0 {
+		return nil, errInvalidLimit
+	}
+
+	var result *ContainerStatRes
+	err := e.execIfNotBlocked(func() error {
+		var sErr error
+		result, sErr = e.containerStat(ctx, prm)
+		return sErr
+	})
+	return result, err
+}
+
+func (e *StorageEngine) containerStat(ctx context.Context, prm ContainerStatPrm) (*ContainerStatRes, error) {
+	e.mtx.RLock()
+	defer e.mtx.RUnlock()
+
+	if len(prm.ContainerID) > 0 {
+		sort.Slice(prm.ContainerID, func(i, j int) bool {
+			return bytes.Compare(prm.ContainerID[i][:], prm.ContainerID[j][:]) < 0
+		})
+	}
+
+	shardResults, partial, err := e.collectShardContainerStats(ctx, prm)
+	if err != nil {
+		return nil, err
+	}
+
+	return &ContainerStatRes{
+		ContainerStats: e.mergeShardContainerStats(shardResults, int(prm.Limit)),
+		Partial:        partial,
+	}, nil
+}
+
+func (e *StorageEngine) collectShardContainerStats(ctx context.Context, prm ContainerStatPrm) ([][]shard.ContainerStat, bool, error) {
+	if len(prm.ContainerID) > 0 {
+		sort.Slice(prm.ContainerID, func(i, j int) bool {
+			return bytes.Compare(prm.ContainerID[i][:], prm.ContainerID[j][:]) < 0
+		})
+	}
+
+	var shardResults [][]shard.ContainerStat
+	var shardErrors []error
+	var resultsGuard sync.Mutex
+
+	shPrm := shard.ContainerStatPrm{
+		ContainerID:          prm.ContainerID,
+		Limit:                prm.Limit,
+		StartFromContainerID: prm.StartFromContainerID,
+	}
+
+	eg, egCtx := errgroup.WithContext(ctx)
+	var shardsCount int
+	e.iterateOverUnsortedShards(func(hs hashedShard) (stop bool) {
+		shardsCount++
+		eg.Go(func() error {
+			s, err := hs.ContainerStat(egCtx, shPrm)
+			resultsGuard.Lock()
+			defer resultsGuard.Unlock()
+
+			if err != nil {
+				shardErrors = append(shardErrors, err)
+				return nil
+			}
+
+			if len(s) > 0 {
+				shardResults = append(shardResults, s)
+			}
+
+			return nil
+		})
+		return false
+	})
+	if err := eg.Wait(); err != nil {
+		return nil, false, err
+	}
+	if shardsCount == len(shardErrors) {
+		return nil, false, errors.Join(shardErrors...)
+	}
+
+	return shardResults, len(shardErrors) > 0, nil
+}
+
+func (e *StorageEngine) mergeShardContainerStats(shardResults [][]shard.ContainerStat, limit int) []ContainerStat {
+	var stats []ContainerStat
+	for len(stats) <= limit && len(shardResults) > 0 {
+		// shard results are sorted by container ID
+		sort.Slice(shardResults, func(i, j int) bool {
+			return bytes.Compare(shardResults[i][0].ContainerID[:], shardResults[j][0].ContainerID[:]) < 0
+		})
+
+		if len(stats) > 0 && stats[len(stats)-1].ContainerID == shardResults[0][0].ContainerID {
+			stats[len(stats)-1].SizeLogic += shardResults[0][0].SizeLogic
+			stats[len(stats)-1].CountPhy += shardResults[0][0].CountPhy
+			stats[len(stats)-1].CountLogic += shardResults[0][0].CountLogic
+			stats[len(stats)-1].CountUser += shardResults[0][0].CountUser
+		} else {
+			stats = append(stats, ContainerStat{
+				ContainerID: shardResults[0][0].ContainerID,
+				SizeLogic:   shardResults[0][0].SizeLogic,
+				CountPhy:    shardResults[0][0].CountPhy,
+				CountLogic:  shardResults[0][0].CountLogic,
+				CountUser:   shardResults[0][0].CountUser,
+			})
+		}
+
+		if len(shardResults[0]) == 1 { // last item for shard
+			shardResults = shardResults[1:]
+		} else {
+			shardResults[0] = shardResults[0][1:]
+		}
+	}
+	if len(stats) > limit {
+		stats = stats[:limit]
+	}
+	return stats
+}

pkg/local_object_storage/engine/container_stat_test.go

@@ -0,0 +1,221 @@
+package engine
+
+import (
+	"context"
+	"testing"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/testutil"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/shard/mode"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/logger/test"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
+	cidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id/test"
+	objectSDK "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object"
+	oid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id"
+	oidtest "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/object/id/test"
+	"github.com/stretchr/testify/require"
+)
+
+func TestContainerList(t *testing.T) {
+	t.Parallel()
+
+	s1 := testNewShard(t)
+	s2 := testNewShard(t)
+	s3 := testNewShard(t)
+
+	e := testNewEngine(t).setInitializedShards(t, s1, s2, s3).engine
+	e.log = test.NewLogger(t)
+	defer e.Close(context.Background())
+
+	const containerCount = 10
+	expStat := testPutComplexObject(t, []*shard.Shard{s1, s2, s3}, containerCount, nil)
+	expStat = testPutSimpleObject(t, []*shard.Shard{s1, s2, s3}, containerCount, expStat)
+	expStat = testPutSimpleObject(t, []*shard.Shard{s1, s2}, containerCount, expStat)
+	expStat = testPutSimpleObject(t, []*shard.Shard{s2, s3}, containerCount, expStat)
+	expStat = testPutSimpleObject(t, []*shard.Shard{s1}, containerCount, expStat)
+	expStat = testPutSimpleObject(t, []*shard.Shard{s2}, containerCount, expStat)
+	expStat = testPutSimpleObject(t, []*shard.Shard{s3}, containerCount, expStat)
+
+	t.Run("with default limit", func(t *testing.T) {
+		var prm ContainerStatPrm
+		prm.Limit = 10_000
+		res, err := e.ContainerStat(context.Background(), prm)
+		require.NoError(t, err)
+		require.NotNil(t, res)
+		require.ElementsMatch(t, expStat, res.ContainerStats)
+		require.False(t, res.Partial)
+	})
+
+	t.Run("with limit, batched", func(t *testing.T) {
+		var prm ContainerStatPrm
+		prm.Limit = 1
+		var stats []ContainerStat
+
+		for {
+			res, err := e.ContainerStat(context.Background(), prm)
+			require.NoError(t, err)
+			require.NotNil(t, res)
+			require.False(t, res.Partial)
+			if len(res.ContainerStats) == 0 {
+				break
+			}
+			stats = append(stats, res.ContainerStats...)
+			last := res.ContainerStats[len(res.ContainerStats)-1].ContainerID
+			prm.StartFromContainerID = &last
+			prm.Limit += 1
+		}
+
+		require.ElementsMatch(t, expStat, stats)
+	})
+
+	t.Run("by container id", func(t *testing.T) {
+		for _, cc := range []int{1, 2, 3, 4, 5} {
+			var prm ContainerStatPrm
+			for idx := 0; idx+cc < len(expStat); idx += cc {
+				prm.ContainerID = nil
+				for i := 0; i < cc; i++ {
+					prm.ContainerID = append(prm.ContainerID, expStat[idx+i].ContainerID)
+				}
+				prm.Limit = uint32(len(prm.ContainerID))
+				res, err := e.ContainerStat(context.Background(), prm)
+				require.NoError(t, err)
+				require.NotNil(t, res)
+				require.False(t, res.Partial)
+				require.ElementsMatch(t, expStat[idx:idx+cc], res.ContainerStats)
+			}
+		}
+	})
+
+	t.Run("unknown container id", func(t *testing.T) {
+		var prm ContainerStatPrm
+		prm.ContainerID = append(prm.ContainerID, cidtest.ID())
+		prm.Limit = uint32(len(prm.ContainerID))
+		res, err := e.ContainerStat(context.Background(), prm)
+		require.NoError(t, err)
+		require.NotNil(t, res)
+		require.False(t, res.Partial)
+		require.ElementsMatch(t, []ContainerStat{{ContainerID: prm.ContainerID[0]}}, res.ContainerStats)
+	})
+
+	t.Run("degraded shard", func(t *testing.T) {
+		s1.SetMode(mode.Degraded)
+		var prm ContainerStatPrm
+		prm.Limit = 10_000
+		res, err := e.ContainerStat(context.Background(), prm)
+		require.NoError(t, err)
+		require.NotNil(t, res)
+		require.True(t, res.Partial)
+	})
+}
+
+func testPutComplexObject(t *testing.T, shards []*shard.Shard, count int, stats []ContainerStat) []ContainerStat {
+	const payloadSize = 10 * 1024
+	for count > 0 {
+		var cnr cid.ID
+		var stat *ContainerStat
+		var newStat bool
+		if len(stats) == 0 || count%2 == 0 {
+			cnr = cidtest.ID()
+			stat = &ContainerStat{ContainerID: cnr}
+			newStat = true
+		} else {
+			cnr = stats[count%len(stats)].ContainerID
+			stat = &stats[count%len(stats)]
+		}
+
+		parentID := oidtest.ID()
+		splitID := objectSDK.NewSplitID()
+
+		parent := testutil.GenerateObjectWithCID(cnr)
+		parent.SetID(parentID)
+		parent.SetPayload(nil)
+
+		const childCount = 10
+		children := make([]*objectSDK.Object, childCount)
+		childIDs := make([]oid.ID, childCount)
+		for i := range children {
+			children[i] = testutil.GenerateObjectWithCID(cnr)
+			if i != 0 {
+				children[i].SetPreviousID(childIDs[i-1])
+			}
+			if i == len(children)-1 {
+				children[i].SetParent(parent)
+			}
+			children[i].SetSplitID(splitID)
+			children[i].SetPayload(make([]byte, payloadSize))
+			children[i].SetPayloadSize(payloadSize)
+			childIDs[i], _ = children[i].ID()
+
+			stat.SizeLogic += payloadSize
+			stat.CountLogic += 1
+			stat.CountPhy += 1
+		}
+		stat.CountUser += 1
+
+		link := testutil.GenerateObjectWithCID(cnr)
+		link.SetParent(parent)
+		link.SetParentID(parentID)
+		link.SetSplitID(splitID)
+		link.SetChildren(childIDs...)
+
+		stat.CountLogic += 1
+		stat.CountPhy += 1
+		stat.SizeLogic += link.PayloadSize()
+
+		for i := range children {
+			sh := shards[i%len(shards)]
+			var putPrm shard.PutPrm
+			putPrm.SetObject(children[i])
+			_, err := sh.Put(context.Background(), putPrm)
+			require.NoError(t, err)
+		}
+		sh := shards[count%len(shards)]
+		var putPrm shard.PutPrm
+		putPrm.SetObject(link)
+		_, err := sh.Put(context.Background(), putPrm)
+		require.NoError(t, err)
+
+		if newStat {
+			stats = append(stats, *stat)
+		}
+		count--
+	}
+	return stats
+}
+
+func testPutSimpleObject(t *testing.T, shards []*shard.Shard, count int, stats []ContainerStat) []ContainerStat {
+	const payloadSize = 7 * 1024
+	for count > 0 {
+		var cnr cid.ID
+		var stat *ContainerStat
+		var newStat bool
+		if len(stats) == 0 || count%2 == 0 {
+			cnr = cidtest.ID()
+			stat = &ContainerStat{ContainerID: cnr}
+			newStat = true
+		} else {
+			cnr = stats[count%len(stats)].ContainerID
+			stat = &stats[count%len(stats)]
+		}
+
+		obj := testutil.GenerateObjectWithCID(cnr)
+		obj.SetPayload(make([]byte, payloadSize))
+		obj.SetPayloadSize(payloadSize)
+		stat.SizeLogic += payloadSize
+		stat.CountLogic += 1
+		stat.CountPhy += 1
+		stat.CountUser += 1
+
+		sh := shards[count%len(shards)]
+		var putPrm shard.PutPrm
+		putPrm.SetObject(obj)
+		_, err := sh.Put(context.Background(), putPrm)
+		require.NoError(t, err)
+
+		if newStat {
+			stats = append(stats, *stat)
+		}
+		count--
+	}
+	return stats
+}

pkg/local_object_storage/metabase/container_stat.go

@@ -0,0 +1,237 @@
+package meta
+
+import (
+	"bytes"
+	"context"
+	"crypto/sha256"
+	"time"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/internal/metaerr"
+	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
+	"go.etcd.io/bbolt"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+)
+
+type ContainerStatPrm struct {
+	ContainerID []cid.ID
+
+	Limit                uint32
+	StartFromContainerID *cid.ID
+}
+
+type ContainerStat struct {
+	ContainerID                     cid.ID
+	SizeLogic                       uint64
+	CountPhy, CountLogic, CountUser uint64
+}
+
+// ContainerStat returns object count and size for containers.
+// If len(prm.ContainerID) > 0, then result slice contains records in the same order as prm.ContainerID.
+// Otherwise result slice sorted by ContainerID.
+func (db *DB) ContainerStat(ctx context.Context, prm ContainerStatPrm) ([]ContainerStat, error) {
+	var (
+		startedAt = time.Now()
+		success   = false
+	)
+	defer func() {
+		db.metrics.AddMethodDuration("ContainerStat", time.Since(startedAt), success)
+	}()
+
+	_, span := tracing.StartSpanFromContext(ctx, "metabase.ContainerStat",
+		trace.WithAttributes(
+			attribute.Int("container_ids", len(prm.ContainerID)),
+			attribute.Int64("limit", int64(prm.Limit)),
+			attribute.Bool("start_from_container_id", prm.StartFromContainerID != nil),
+		))
+	defer span.End()
+
+	db.modeMtx.RLock()
+	defer db.modeMtx.RUnlock()
+
+	if db.mode.NoMetabase() {
+		return nil, ErrDegradedMode
+	}
+
+	if len(prm.ContainerID) > 0 {
+		return db.containerStatByContainerID(prm.ContainerID)
+	}
+	return db.containerStatByLimit(prm.StartFromContainerID, prm.Limit)
+}
+
+func (db *DB) containerStatByContainerID(containerID []cid.ID) ([]ContainerStat, error) {
+	var result []ContainerStat
+	err := db.boltDB.View(func(tx *bbolt.Tx) error {
+		for _, contID := range containerID {
+			var stat ContainerStat
+			stat.ContainerID = contID
+			stat.SizeLogic = db.containerSize(tx, contID)
+
+			counters, err := db.containerCounters(tx, contID)
+			if err != nil {
+				return err
+			}
+			stat.CountPhy = counters.Phy
+			stat.CountLogic = counters.Logic
+			stat.CountUser = counters.User
+			result = append(result, stat)
+		}
+		return nil
+	})
+	if err != nil {
+		return nil, metaerr.Wrap(err)
+	}
+	return result, nil
+}
+
+func (db *DB) containerStatByLimit(startFrom *cid.ID, limit uint32) ([]ContainerStat, error) {
+	var result []ContainerStat
+
+	var lastKey []byte
+	if startFrom != nil {
+		lastKey = make([]byte, sha256.Size)
+		startFrom.Encode(lastKey)
+	}
+
+	var counts []containerIDObjectCounters
+	var sizes []containerIDSize
+
+	err := db.boltDB.View(func(tx *bbolt.Tx) error {
+		var e error
+		counts, e = getContainerCountersBatch(tx, lastKey, limit)
+		if e != nil {
+			return e
+		}
+
+		sizes, e = getContainerSizesBatch(tx, lastKey, limit)
+		return e
+	})
+	if err != nil {
+		return nil, metaerr.Wrap(err)
+	}
+
+	result = mergeSizeAndCounts(counts, sizes)
+	if len(result) > int(limit) {
+		result = result[:limit]
+	}
+	return result, nil
+}
+
+type containerIDObjectCounters struct {
+	ContainerID cid.ID
+	ObjectCounters
+}
+
+func getContainerCountersBatch(tx *bbolt.Tx, lastKey []byte, limit uint32) ([]containerIDObjectCounters, error) {
+	var result []containerIDObjectCounters
+	b := tx.Bucket(containerCounterBucketName)
+	if b == nil {
+		return result, nil
+	}
+	c := b.Cursor()
+	var key, value []byte
+	for key, value = c.Seek(lastKey); key != nil && uint32(len(result)) < limit; key, value = c.Next() {
+		if bytes.Equal(lastKey, key) {
+			continue
+		}
+
+		cnrID, err := parseContainerCounterKey(key)
+		if err != nil {
+			return nil, err
+		}
+		ent, err := parseContainerCounterValue(value)
+		if err != nil {
+			return nil, err
+		}
+		result = append(result, containerIDObjectCounters{
+			ContainerID:    cnrID,
+			ObjectCounters: ent,
+		})
+	}
+	return result, nil
+}
+
+type containerIDSize struct {
+	ContainerID cid.ID
+	Size        uint64
+}
+
+func getContainerSizesBatch(tx *bbolt.Tx, lastKey []byte, limit uint32) ([]containerIDSize, error) {
+	var result []containerIDSize
+	b := tx.Bucket(containerVolumeBucketName)
+	c := b.Cursor()
+	var key, value []byte
+	for key, value = c.Seek(lastKey); key != nil && uint32(len(result)) < limit; key, value = c.Next() {
+		if bytes.Equal(lastKey, key) {
+			continue
+		}
+
+		var r containerIDSize
+		r.Size = parseContainerSize(value)
+		if err := r.ContainerID.Decode(key); err != nil {
+			return nil, err
+		}
+		result = append(result, r)
+	}
+	return result, nil
+}
+
+// mergeSizeAndCounts merges sizes and counts.
+// As records are deleted in background, it can happen that metabase contains size record for container,
+// but doesn't contain record for count.
+func mergeSizeAndCounts(counts []containerIDObjectCounters, sizes []containerIDSize) []ContainerStat {
+	var result []ContainerStat
+
+	for len(counts) > 0 || len(sizes) > 0 {
+		if len(counts) == 0 {
+			result = append(result, ContainerStat{
+				ContainerID: sizes[0].ContainerID,
+				SizeLogic:   sizes[0].Size,
+			})
+			sizes = sizes[1:]
+			continue
+		}
+
+		if len(sizes) == 0 {
+			result = append(result, ContainerStat{
+				ContainerID: counts[0].ContainerID,
+				CountPhy:    counts[0].Phy,
+				CountLogic:  counts[0].Logic,
+				CountUser:   counts[0].User,
+			})
+			counts = counts[1:]
+			continue
+		}
+
+		v := bytes.Compare(sizes[0].ContainerID[:], counts[0].ContainerID[:])
+
+		if v == 0 { // equal
+			result = append(result, ContainerStat{
+				ContainerID: counts[0].ContainerID,
+				CountPhy:    counts[0].Phy,
+				CountLogic:  counts[0].Logic,
+				CountUser:   counts[0].User,
+				SizeLogic:   sizes[0].Size,
+			})
+			counts = counts[1:]
+			sizes = sizes[1:]
+		} else if v < 0 { // from sizes
+			result = append(result, ContainerStat{
+				ContainerID: sizes[0].ContainerID,
+				SizeLogic:   sizes[0].Size,
+			})
+			sizes = sizes[1:]
+		} else { // from counts
+			result = append(result, ContainerStat{
+				ContainerID: counts[0].ContainerID,
+				CountPhy:    counts[0].Phy,
+				CountLogic:  counts[0].Logic,
+				CountUser:   counts[0].User,
+			})
+			counts = counts[1:]
+		}
+	}
+
+	return result
+}

pkg/local_object_storage/metabase/containers.go

@@ -65,20 +65,19 @@ func (db *DB) ContainerSize(id cid.ID) (size uint64, err error) {
 	}
 
 	err = db.boltDB.View(func(tx *bbolt.Tx) error {
-		size, err = db.containerSize(tx, id)
-
-		return err
+		size = db.containerSize(tx, id)
+		return nil
 	})
 
 	return size, metaerr.Wrap(err)
 }
 
-func (db *DB) containerSize(tx *bbolt.Tx, id cid.ID) (uint64, error) {
+func (db *DB) containerSize(tx *bbolt.Tx, id cid.ID) uint64 {
 	containerVolume := tx.Bucket(containerVolumeBucketName)
 	key := make([]byte, cidSize)
 	id.Encode(key)
 
-	return parseContainerSize(containerVolume.Get(key)), nil
+	return parseContainerSize(containerVolume.Get(key))
 }
 
 func parseContainerID(dst *cid.ID, name []byte, ignore map[string]struct{}) bool {

pkg/local_object_storage/metabase/counter.go

@@ -211,21 +211,28 @@ func (db *DB) ContainerCount(ctx context.Context, id cid.ID) (ObjectCounters, er
 	var result ObjectCounters
 
 	err := db.boltDB.View(func(tx *bbolt.Tx) error {
-		b := tx.Bucket(containerCounterBucketName)
-		key := make([]byte, cidSize)
-		id.Encode(key)
-		v := b.Get(key)
-		if v == nil {
-			return nil
-		}
 		var err error
-		result, err = parseContainerCounterValue(v)
+		result, err = db.containerCounters(tx, id)
 		return err
 	})
 
 	return result, metaerr.Wrap(err)
 }
 
+func (*DB) containerCounters(tx *bbolt.Tx, id cid.ID) (ObjectCounters, error) {
+	b := tx.Bucket(containerCounterBucketName)
+	if b == nil {
+		return ObjectCounters{}, nil
+	}
+	key := make([]byte, cidSize)
+	id.Encode(key)
+	v := b.Get(key)
+	if v == nil {
+		return ObjectCounters{}, nil
+	}
+	return parseContainerCounterValue(v)
+}
+
 func (db *DB) incCounters(tx *bbolt.Tx, cnrID cid.ID, isUserObject bool) error {
 	if err := db.updateShardObjectCounter(tx, phy, 1, true); err != nil {
 		return fmt.Errorf("could not increase phy object counter: %w", err)

pkg/local_object_storage/shard/container_stat.go

@@ -0,0 +1,63 @@
+package shard
+
+import (
+	"context"
+
+	meta "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/metabase"
+	"git.frostfs.info/TrueCloudLab/frostfs-observability/tracing"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
+	"go.opentelemetry.io/otel/attribute"
+	"go.opentelemetry.io/otel/trace"
+)
+
+type ContainerStatPrm struct {
+	ContainerID []cid.ID
+
+	Limit                uint32
+	StartFromContainerID *cid.ID
+}
+
+type ContainerStat struct {
+	ContainerID                     cid.ID
+	SizeLogic                       uint64
+	CountPhy, CountLogic, CountUser uint64
+}
+
+// ContainerStat returns object count and size for containers from metabase.
+func (s *Shard) ContainerStat(ctx context.Context, prm ContainerStatPrm) ([]ContainerStat, error) {
+	_, span := tracing.StartSpanFromContext(ctx, "Shard.ContainerStat",
+		trace.WithAttributes(
+			attribute.String("shard_id", s.ID().String()),
+			attribute.Int("container_ids", len(prm.ContainerID)),
+			attribute.Int64("limit", int64(prm.Limit)),
+			attribute.Bool("start_from_container_id", prm.StartFromContainerID != nil),
+		))
+	defer span.End()
+
+	s.m.RLock()
+	defer s.m.RUnlock()
+
+	if s.GetMode().NoMetabase() {
+		return nil, ErrDegradedMode
+	}
+
+	res, err := s.metaBase.ContainerStat(ctx, meta.ContainerStatPrm{
+		ContainerID:          prm.ContainerID,
+		Limit:                prm.Limit,
+		StartFromContainerID: prm.StartFromContainerID,
+	})
+	if err != nil {
+		return nil, err
+	}
+	result := make([]ContainerStat, 0, len(res))
+	for _, r := range res {
+		result = append(result, ContainerStat{
+			ContainerID: r.ContainerID,
+			SizeLogic:   r.SizeLogic,
+			CountPhy:    r.CountPhy,
+			CountLogic:  r.CountLogic,
+			CountUser:   r.CountUser,
+		})
+	}
+	return result, nil
+}

pkg/services/billing/server/list_containers.go

@@ -0,0 +1,137 @@
+package server
+
+import (
+	"context"
+	"errors"
+	"fmt"
+
+	containerApi "git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/container"
+	containercore "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/billing"
+	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/client"
+	cid "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/container/id"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+const (
+	defaultLimit = 1000
+	maxLimit     = 10000
+)
+
+var (
+	errInvalidContainerIDLenght = errors.New("count of container ID array must be lower or equal 10 000 items")
+	errInvalidLimit             = errors.New("limit value must be lower or equal 10 000")
+)
+
+func (s *Server) ListContainers(ctx context.Context, req *billing.ListContainersRequest) (*billing.ListContainersResponse, error) {
+	err := s.isValidRequest(req)
+	if err != nil {
+		return nil, status.Error(codes.PermissionDenied, err.Error())
+	}
+	enginePrm, err := convertToEngineContainerStatPrm(req)
+	if err != nil {
+		return nil, status.Error(codes.InvalidArgument, err.Error())
+	}
+
+	res, err := s.se.ContainerStat(ctx, enginePrm)
+	if err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	resp := &billing.ListContainersResponse{
+		Body: &billing.ListContainersResponse_Body{
+			Result:        s.addContainerInfo(res.ContainerStats),
+			NextPageToken: containerListNextPageToken(res.ContainerStats, enginePrm.Limit),
+			Partial:       res.Partial,
+		},
+	}
+
+	if err = SignMessage(s.key, resp); err != nil {
+		return nil, status.Error(codes.Internal, err.Error())
+	}
+
+	return resp, nil
+}
+
+func (s *Server) addContainerInfo(engineStats []engine.ContainerStat) []*billing.ListContainersResponse_Body_ContainerInfo {
+	var result []*billing.ListContainersResponse_Body_ContainerInfo
+
+	for _, engineStat := range engineStats {
+		containerInfo := &billing.ListContainersResponse_Body_ContainerInfo{
+			ContainerId: engineStat.ContainerID[:],
+			Count: &billing.ListContainersResponse_Body_ContainerInfo_Count{
+				Phy:   engineStat.CountPhy,
+				Logic: engineStat.CountLogic,
+				User:  engineStat.CountUser,
+			},
+			Size: &billing.ListContainersResponse_Body_ContainerInfo_Size{
+				Logic: engineStat.SizeLogic,
+			},
+			ContainerStatus: billing.ListContainersResponse_Body_ContainerInfo_UNDEFINED,
+		}
+
+		cnr, err := s.cnrSrc.Get(engineStat.ContainerID)
+		if err != nil {
+			if client.IsErrContainerNotFound(err) {
+				existed, errWasRemoved := containercore.WasRemoved(s.cnrSrc, engineStat.ContainerID)
+				if errWasRemoved == nil && existed {
+					containerInfo.ContainerStatus = billing.ListContainersResponse_Body_ContainerInfo_DELETED
+				}
+			}
+		} else {
+			containerInfo.ContainerStatus = billing.ListContainersResponse_Body_ContainerInfo_AVAILABLE
+			containerInfo.Attributes = &billing.ListContainersResponse_Body_ContainerInfo_Attributes{
+				OwnerWallet: cnr.Value.Owner().WalletBytes(),
+				Zone:        cnr.Value.Attribute(containerApi.SysAttributeZone),
+			}
+		}
+		result = append(result, containerInfo)
+	}
+
+	return result
+}
+
+func containerListNextPageToken(engineStats []engine.ContainerStat, limit uint32) []byte {
+	if uint32(len(engineStats)) <= limit {
+		return nil
+	}
+	return engineStats[len(engineStats)-1].ContainerID[:]
+}
+
+func convertToEngineContainerStatPrm(req *billing.ListContainersRequest) (engine.ContainerStatPrm, error) {
+	var result engine.ContainerStatPrm
+
+	if len(req.GetBody().GetContainerId()) > 10000 {
+		return result, errInvalidContainerIDLenght
+	}
+	if len(req.GetBody().GetContainerId()) > 0 {
+		for idx, contIDBytes := range req.GetBody().GetContainerId() {
+			var contID cid.ID
+			if err := contID.Decode(contIDBytes); err != nil {
+				return result, fmt.Errorf("failed to decode container ID at index %d: %w", idx, err)
+			}
+			result.ContainerID = append(result.ContainerID, contID)
+		}
+		return result, nil
+	}
+
+	result.Limit = defaultLimit
+	if req.GetBody().GetLimit() > maxLimit {
+		return result, errInvalidLimit
+	}
+	if req.GetBody().GetLimit() > 0 {
+		result.Limit = req.GetBody().GetLimit()
+	}
+
+	if len(req.GetBody().GetNextPageToken()) > 0 {
+		var contID cid.ID
+		if err := contID.Decode(req.GetBody().GetNextPageToken()); err != nil {
+			return result, fmt.Errorf("invalid next page token: %w", err)
+		}
+		result.StartFromContainerID = &contID
+	}
+
+	return result, nil
+}

pkg/services/billing/server/server.go

@@ -0,0 +1,34 @@
+package server
+
+import (
+	"crypto/ecdsa"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/core/container"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/local_object_storage/engine"
+)
+
+type cfg struct {
+	key         *ecdsa.PrivateKey
+	allowedKeys [][]byte
+	cnrSrc      container.Source
+	se          *engine.StorageEngine
+}
+
+type Server struct {
+	*cfg
+}
+
+func New(key *ecdsa.PrivateKey,
+	allowedKeys [][]byte,
+	cnrSrc container.Source,
+	se *engine.StorageEngine,
+) *Server {
+	return &Server{
+		cfg: &cfg{
+			key:         key,
+			allowedKeys: allowedKeys,
+			cnrSrc:      cnrSrc,
+			se:          se,
+		},
+	}
+}

pkg/services/billing/server/sign.go

@@ -0,0 +1,92 @@
+package server
+
+import (
+	"bytes"
+	"crypto/ecdsa"
+	"errors"
+	"fmt"
+
+	"git.frostfs.info/TrueCloudLab/frostfs-api-go/v2/refs"
+	"git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/billing"
+	frostfscrypto "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/crypto"
+	frostfsecdsa "git.frostfs.info/TrueCloudLab/frostfs-sdk-go/crypto/ecdsa"
+)
+
+// SignedMessage is an interface of Control service message.
+type SignedMessage interface {
+	ReadSignedData([]byte) ([]byte, error)
+	GetSignature() *billing.Signature
+	SetSignature(*billing.Signature)
+}
+
+var (
+	errDisallowedKey    = errors.New("key is not in the allowed list")
+	errMissingSignature = errors.New("missing signature")
+	errInvalidSignature = errors.New("invalid signature")
+)
+
+func (s *Server) isValidRequest(req SignedMessage) error {
+	sign := req.GetSignature()
+	if sign == nil {
+		return errMissingSignature
+	}
+
+	var (
+		key     = sign.GetKey()
+		allowed = false
+	)
+
+	for i := range s.allowedKeys {
+		if allowed = bytes.Equal(s.allowedKeys[i], key); allowed {
+			break
+		}
+	}
+	if !allowed {
+		return errDisallowedKey
+	}
+
+	binBody, err := req.ReadSignedData(nil)
+	if err != nil {
+		return fmt.Errorf("marshal request body: %w", err)
+	}
+
+	var sigV2 refs.Signature
+	sigV2.SetKey(sign.GetKey())
+	sigV2.SetSign(sign.GetSignature())
+	sigV2.SetScheme(refs.ECDSA_SHA512)
+
+	var sig frostfscrypto.Signature
+	if err := sig.ReadFromV2(sigV2); err != nil {
+		return fmt.Errorf("can't read signature: %w", err)
+	}
+
+	if !sig.Verify(binBody) {
+		return errInvalidSignature
+	}
+
+	return nil
+}
+
+func SignMessage(key *ecdsa.PrivateKey, msg SignedMessage) error {
+	binBody, err := msg.ReadSignedData(nil)
+	if err != nil {
+		return fmt.Errorf("marshal request body: %w", err)
+	}
+
+	var sig frostfscrypto.Signature
+
+	err = sig.Calculate(frostfsecdsa.Signer(*key), binBody)
+	if err != nil {
+		return fmt.Errorf("calculate signature: %w", err)
+	}
+
+	var sigV2 refs.Signature
+	sig.WriteToV2(&sigV2)
+
+	var sigBilling billing.Signature
+	sigBilling.Key = sigV2.GetKey()
+	sigBilling.Signature = sigV2.GetSign()
+	msg.SetSignature(&sigBilling)
+
+	return nil
+}

pkg/services/billing/service.proto

@@ -0,0 +1,87 @@
+syntax = "proto3";
+
+package billing;
+
+option go_package = "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/services/billing";
+
+// `BillingService` provides an interface to get usage statistics.
+service BillingService {
+  // Returns list that contains container usage statistic.
+  rpc ListContainers(ListContainersRequest) returns (ListContainersResponse);
+}
+
+// Signature of some message.
+message Signature {
+  // Public key used for signing.
+  bytes key = 1;
+
+  // Binary signature.
+  bytes signature = 2;
+}
+
+message ListContainersRequest {
+  message Body {
+    // Container IDs to get container metrics. Not required. Maximum count is
+    // 10000 items.
+    repeated bytes container_id = 1;
+    // Max items count in the response. Not required. Default value is 1000. Not
+    // applicable if container_id is specified. Maximum value is 10000.
+    uint32 limit = 2;
+    // Next page token used to continue listing. Not required. If null or empty,
+    // listing starts from the beginning.
+    bytes next_page_token = 3;
+  }
+
+  Body body = 1;
+  Signature signature = 2;
+}
+
+message ListContainersResponse {
+  message Body {
+    message ContainerInfo {
+      message Count {
+        uint64 phy = 1;
+        uint64 logic = 2;
+        uint64 user = 3;
+      }
+      message Size { uint64 logic = 1; }
+      message Attributes {
+        // Container owner's wallet bytes.
+        bytes owner_wallet = 1;
+        // Container zone.
+        string zone = 2;
+      }
+      enum Status {
+        // Undefined status, default value.
+        UNDEFINED = 0;
+        // Container is available.
+        AVAILABLE = 1;
+        // Container is deleted.
+        DELETED = 2;
+      }
+
+      // Container ID.
+      bytes container_id = 1;
+      // Container status.
+      Status container_status = 2;
+      // Container attributes. May be null if container attributes are
+      // unavailable for current moment or container already deleted.
+      Attributes attributes = 3;
+      // Count of the objects in container.
+      Count count = 4;
+      // Size of the objects in container.
+      Size size = 5;
+    }
+
+    repeated ContainerInfo result = 1;
+    // Next page token used to get next batch. If returned value is null or
+    // empty, then listing completed.
+    bytes next_page_token = 2;
+    // Returned result is partial. This could happend if some shards are in
+    // degraded mode or returned an error.
+    bool partial = 3;
+  }
+
+  Body body = 1;
+  Signature signature = 2;
+}