[#11] Use Neo:Morph ServiceExecutor of Accounting service in app

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

cmd/neofs-node/accounting.go

@@ -0,0 +1,51 @@
+package main
+
+import (
+	"github.com/nspcc-dev/neo-go/pkg/util"
+	accountingGRPC "github.com/nspcc-dev/neofs-api-go/v2/accounting/grpc"
+	"github.com/nspcc-dev/neofs-api-go/v2/session"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client"
+	"github.com/nspcc-dev/neofs-node/pkg/morph/client/balance"
+	accountingTransportGRPC "github.com/nspcc-dev/neofs-node/pkg/network/transport/accounting/grpc"
+	accountingService "github.com/nspcc-dev/neofs-node/pkg/services/accounting"
+	accounting "github.com/nspcc-dev/neofs-node/pkg/services/accounting/morph"
+)
+
+type cfgAccounting struct {
+	scriptHash string
+
+	fee util.Fixed8
+}
+
+func initAccountingService(c *cfg) {
+	if c.morphClient == nil {
+		initMorphComponents(c)
+	}
+
+	u160, err := util.Uint160DecodeStringLE(c.cfgAccounting.scriptHash)
+	fatalOnErr(err)
+
+	staticClient, err := client.NewStatic(c.morphClient, u160, c.cfgAccounting.fee)
+	fatalOnErr(err)
+
+	balanceClient, err := balance.New(staticClient)
+	fatalOnErr(err)
+
+	metaHdr := new(session.ResponseMetaHeader)
+	xHdr := new(session.XHeader)
+	xHdr.SetKey("test X-Header key")
+	xHdr.SetValue("test X-Header value")
+	metaHdr.SetXHeaders([]*session.XHeader{xHdr})
+
+	accountingGRPC.RegisterAccountingServiceServer(c.grpcSrv,
+		accountingTransportGRPC.New(
+			accountingService.NewSignService(
+				c.key,
+				accountingService.NewExecutionService(
+					accounting.NewExecutor(balanceClient),
+					metaHdr,
+				),
+			),
+		),
+	)
+}