[#129] Remove resolver duplicate

Signed-off-by: Alex Vanin <a.vanin@yadro.com>

cmd/http-gw/app.go

@@ -223,7 +223,7 @@ func (a *app) initResolver() {
 
 func (a *app) getResolverConfig() ([]string, *resolver.Config) {
 	resolveCfg := &resolver.Config{
-		FrostFS:    resolver.NewFrostFSResolver(a.pool),
+		FrostFS:    frostfs.NewResolverFrostFS(a.pool),
 		RPCAddress: a.cfg.GetString(cfgRPCEndpoint),
 		Settings:   a.settings,
 	}

resolver/frostfs.go

@@ -1,35 +0,0 @@
-package resolver
-
-import (
-	"context"
-	"errors"
-	"fmt"
-
-	"git.frostfs.info/TrueCloudLab/frostfs-sdk-go/pool"
-)
-
-// FrostFSResolver represents virtual connection to the FrostFS network.
-// It implements resolver.FrostFS.
-type FrostFSResolver struct {
-	pool *pool.Pool
-}
-
-// NewFrostFSResolver creates new FrostFSResolver using provided pool.Pool.
-func NewFrostFSResolver(p *pool.Pool) *FrostFSResolver {
-	return &FrostFSResolver{pool: p}
-}
-
-// SystemDNS implements resolver.FrostFS interface method.
-func (x *FrostFSResolver) SystemDNS(ctx context.Context) (string, error) {
-	networkInfo, err := x.pool.NetworkInfo(ctx)
-	if err != nil {
-		return "", fmt.Errorf("read network info via client: %w", err)
-	}
-
-	domain := networkInfo.RawNetworkParameter("SystemDNS")
-	if domain == nil {
-		return "", errors.New("system DNS parameter not found or empty")
-	}
-
-	return string(domain), nil
-}