Cache network settings

handlers/api.go

@@ -11,8 +11,10 @@
 	"github.com/labstack/echo/v4"
 	"github.com/nspcc-dev/neo-go/pkg/crypto/keys"
 	"github.com/nspcc-dev/neofs-rest-gw/handlers/apiserver"
+	"github.com/nspcc-dev/neofs-rest-gw/internal/cache"
 	"github.com/nspcc-dev/neofs-rest-gw/internal/util"
 	"github.com/nspcc-dev/neofs-rest-gw/metrics"
+	"github.com/nspcc-dev/neofs-sdk-go/netmap"
 	"github.com/nspcc-dev/neofs-sdk-go/pool"
 	"github.com/nspcc-dev/neofs-sdk-go/session"
 	"github.com/nspcc-dev/neofs-sdk-go/user"
@@ -45,6 +47,10 @@
 	Verb session.ContainerVerb
 }
 
+type networkInfoGetter interface {
+	NetworkInfo(ctx context.Context) (netmap.NetworkInfo, error)
+}
+
 const (
 	// bearerCookieName is the name of the bearer cookie.
 	bearerCookieName = "Bearer"
@@ -75,6 +81,7 @@
 		pprofService:           prm.PprofService,
 		gateMetric:             prm.GateMetric,
 		serviceShutdownTimeout: prm.ServiceShutdownTimeout,
+		networkInfoGetter:      cache.NewNetworkInfoCache(prm.Pool),
 	}, nil
 }
 
@@ -141,6 +148,7 @@
 	prometheusService      *metrics.Service
 	pprofService           *metrics.Service
 	serviceShutdownTimeout time.Duration
+	networkInfoGetter      networkInfoGetter
 }
 
 func (a *RestAPI) StartCallback() {

handlers/auth.go

@@ -11,9 +11,7 @@
 	"github.com/labstack/echo/v4"
 	"github.com/nspcc-dev/neofs-rest-gw/handlers/apiserver"
 	"github.com/nspcc-dev/neofs-rest-gw/internal/util"
-	"github.com/nspcc-dev/neofs-sdk-go/client"
 	neofscrypto "github.com/nspcc-dev/neofs-sdk-go/crypto"
-	"github.com/nspcc-dev/neofs-sdk-go/pool"
 	"github.com/nspcc-dev/neofs-sdk-go/user"
 )
 
@@ -91,10 +89,10 @@
 
 		if isObject {
 			prm := newObjectParams(commonPrm, token)
-			response[i], err = prepareObjectToken(ctx.Request().Context(), prm, a.pool, a.signer.UserID())
+			response[i], err = prepareObjectToken(ctx.Request().Context(), prm, a.networkInfoGetter, a.signer.UserID())
 		} else {
 			prm := newContainerParams(commonPrm, token)
-			response[i], err = prepareContainerTokens(ctx.Request().Context(), prm, a.pool, a.signer.Public())
+			response[i], err = prepareContainerTokens(ctx.Request().Context(), prm, a.networkInfoGetter, a.signer.Public())
 		}
 
 		if err != nil {
@@ -136,7 +134,7 @@
 	return ctx.JSON(http.StatusOK, resp)
 }
 
-func prepareObjectToken(ctx context.Context, params objectTokenParams, pool *pool.Pool, owner user.ID) (*apiserver.TokenResponse, error) {
+func prepareObjectToken(ctx context.Context, params objectTokenParams, networkInfoGetter networkInfoGetter, owner user.ID) (*apiserver.TokenResponse, error) {
 	btoken, err := util.ToNativeObjectToken(params.Records)
 	if err != nil {
 		return nil, fmt.Errorf("couldn't transform token to native: %w", err)
@@ -152,7 +150,7 @@
 		btoken.ForUser(owner)
 	}
 
-	iat, exp, err := getTokenLifetime(ctx, pool, params.XBearerLifetime)
+	iat, exp, err := getTokenLifetime(ctx, networkInfoGetter, params.XBearerLifetime)
 	if err != nil {
 		return nil, fmt.Errorf("couldn't get lifetime: %w", err)
 	}
@@ -168,8 +166,8 @@
 	}, nil
 }
 
-func prepareContainerTokens(ctx context.Context, params containerTokenParams, pool *pool.Pool, pubKey neofscrypto.PublicKey) (*apiserver.TokenResponse, error) {
-	iat, exp, err := getTokenLifetime(ctx, pool, params.XBearerLifetime)
+func prepareContainerTokens(ctx context.Context, params containerTokenParams, networkInfoGetter networkInfoGetter, pubKey neofscrypto.PublicKey) (*apiserver.TokenResponse, error) {
+	iat, exp, err := getTokenLifetime(ctx, networkInfoGetter, params.XBearerLifetime)
 	if err != nil {
 		return nil, fmt.Errorf("couldn't get lifetime: %w", err)
 	}
@@ -204,17 +202,17 @@
 	}, nil
 }
 
-func getCurrentEpoch(ctx context.Context, p *pool.Pool) (uint64, error) {
-	netInfo, err := p.NetworkInfo(ctx, client.PrmNetworkInfo{})
+func getCurrentEpoch(ctx context.Context, networkInfoGetter networkInfoGetter) (uint64, error) {
+	netInfo, err := networkInfoGetter.NetworkInfo(ctx)
 	if err != nil {
 		return 0, fmt.Errorf("couldn't get netwokr info: %w", err)
 	}
 
 	return netInfo.CurrentEpoch(), nil
 }
 
-func getTokenLifetime(ctx context.Context, p *pool.Pool, expDuration uint64) (uint64, uint64, error) {
-	currEpoch, err := getCurrentEpoch(ctx, p)
+func getTokenLifetime(ctx context.Context, networkInfoGetter networkInfoGetter, expDuration uint64) (uint64, uint64, error) {
+	currEpoch, err := getCurrentEpoch(ctx, networkInfoGetter)
 	if err != nil {
 		return 0, 0, err
 	}

handlers/containers.go

@@ -64,7 +64,7 @@
 		return ctx.JSON(http.StatusBadRequest, resp)
 	}
 
-	cnrID, err := createContainer(ctx.Request().Context(), a.pool, stoken, body, params, a.signer)
+	cnrID, err := createContainer(ctx.Request().Context(), a.pool, stoken, body, params, a.signer, a.networkInfoGetter)
 	if err != nil {
 		resp := a.logAndGetErrorResponse("create container", err)
 		return ctx.JSON(http.StatusBadRequest, resp)
@@ -381,7 +381,7 @@
 	return tableResp, nil
 }
 
-func createContainer(ctx context.Context, p *pool.Pool, stoken session.Container, request apiserver.ContainerPutInfo, params apiserver.PutContainerParams, signer user.Signer) (cid.ID, error) {
+func createContainer(ctx context.Context, p *pool.Pool, stoken session.Container, request apiserver.ContainerPutInfo, params apiserver.PutContainerParams, signer user.Signer, networkInfoGetter networkInfoGetter) (cid.ID, error) {
 	if request.PlacementPolicy == "" {
 		request.PlacementPolicy = defaultPlacementPolicy
 	}
@@ -406,6 +406,15 @@
 	cnr.SetBasicACL(basicACL)
 	cnr.SetOwner(stoken.Issuer())
 
+	ni, err := networkInfoGetter.NetworkInfo(ctx)
+	if err != nil {
+		return cid.ID{}, fmt.Errorf("couldn't get network info: %w", err)
+	}
+
+	if ni.HomomorphicHashingDisabled() {
+		cnr.DisableHomomorphicHashing()
+	}
+
 	cnr.SetCreationTime(time.Now())
 
 	if request.ContainerName != "" {

handlers/newObjects.go

@@ -62,7 +62,7 @@
 
 	addExpirationHeaders(filtered, params)
 	if needParseExpiration(filtered) {
-		epochDuration, err := getEpochDurations(ctx.Request().Context(), a.pool)
+		epochDuration, err := getEpochDurations(ctx.Request().Context(), a.networkInfoGetter)
 		if err != nil {
 			resp := a.logAndGetErrorResponse("could not get epoch durations from network info", err)
 			return ctx.JSON(http.StatusBadRequest, resp)

handlers/objects.go

@@ -105,7 +105,7 @@
 		DefaultTimestamp: a.defaultTimestamp,
 		DefaultFileName:  body.FileName,
 	}
-	attributes, err := getObjectAttributes(ctx.Request().Context(), a.pool, body.Attributes, prm)
+	attributes, err := getObjectAttributes(ctx.Request().Context(), a.networkInfoGetter, body.Attributes, prm)
 	if err != nil {
 		resp := a.logAndGetErrorResponse("failed to get object attributes", err)
 		return ctx.JSON(http.StatusBadRequest, resp)
@@ -940,7 +940,7 @@
 	}
 
 	if needParseExpiration(filtered) {
-		epochDuration, err := getEpochDurations(ctx.Request().Context(), a.pool)
+		epochDuration, err := getEpochDurations(ctx.Request().Context(), a.networkInfoGetter)
 		if err != nil {
 			resp := a.logAndGetErrorResponse("could not get epoch durations from network info", err)
 			return ctx.JSON(http.StatusBadRequest, resp)

handlers/util.go

@@ -19,7 +19,6 @@
 	"github.com/nspcc-dev/neofs-sdk-go/container/acl"
 	"github.com/nspcc-dev/neofs-sdk-go/object"
 	oid "github.com/nspcc-dev/neofs-sdk-go/object/id"
-	"github.com/nspcc-dev/neofs-sdk-go/pool"
 	"github.com/nspcc-dev/neofs-sdk-go/session"
 	"go.uber.org/zap"
 )
@@ -55,7 +54,7 @@
 	limitDefault = 100
 )
 
-func getObjectAttributes(ctx context.Context, pool *pool.Pool, attrs []apiserver.Attribute, prm PrmAttributes) ([]object.Attribute, error) {
+func getObjectAttributes(ctx context.Context, networkInfoGetter networkInfoGetter, attrs []apiserver.Attribute, prm PrmAttributes) ([]object.Attribute, error) {
 	headers := make(map[string]string, len(attrs))
 
 	for _, attr := range attrs {
@@ -64,7 +63,7 @@
 	delete(headers, object.AttributeFileName)
 
 	if needParseExpiration(headers) {
-		epochDuration, err := getEpochDurations(ctx, pool)
+		epochDuration, err := getEpochDurations(ctx, networkInfoGetter)
 		if err != nil {
 			return nil, fmt.Errorf("could not get epoch durations from network info: %w", err)
 		}
@@ -91,8 +90,8 @@
 	return attributes, nil
 }
 
-func getEpochDurations(ctx context.Context, p *pool.Pool) (*epochDurations, error) {
-	networkInfo, err := p.NetworkInfo(ctx, client.PrmNetworkInfo{})
+func getEpochDurations(ctx context.Context, networkInfoGetter networkInfoGetter) (*epochDurations, error) {
+	networkInfo, err := networkInfoGetter.NetworkInfo(ctx)
 	if err != nil {
 		return nil, err
 	}

internal/cache/networkinfo.go

@@ -0,0 +1,51 @@
+package cache
+
+import (
+	"context"
+	"fmt"
+	"sync"
+	"time"
+
+	"github.com/nspcc-dev/neofs-sdk-go/client"
+	"github.com/nspcc-dev/neofs-sdk-go/netmap"
+	"github.com/nspcc-dev/neofs-sdk-go/pool"
+)
+
+type (
+	// NetworkInfo is cache wrapper for the network info.
+	NetworkInfo struct {
+		p   *pool.Pool
+		ttl time.Duration
+
+		mu         *sync.Mutex
+		validUntil time.Time
+		ni         netmap.NetworkInfo
+	}
+)
+
+func NewNetworkInfoCache(p *pool.Pool) *NetworkInfo {
+	return &NetworkInfo{
+		p:  p,
+		mu: &sync.Mutex{},
+	}
+}
+
+func (n *NetworkInfo) NetworkInfo(ctx context.Context) (netmap.NetworkInfo, error) {
+	n.mu.Lock()
+	defer n.mu.Unlock()
+
+	if n.validUntil.After(time.Now()) {
+		return n.ni, nil
+	}
+
+	ni, err := n.p.NetworkInfo(ctx, client.PrmNetworkInfo{})
+	if err != nil {
+		return netmap.NetworkInfo{}, fmt.Errorf("get network info: %w", err)
+	}
+
+	n.ttl = time.Duration(int64(ni.EpochDuration())/2*ni.MsPerBlock()) * time.Millisecond
+	n.validUntil = time.Now().Add(n.ttl)
+	n.ni = ni
+
+	return ni, nil
+}