Add v2 version to go module name

Replace all elements from `v2` to root directory.

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

accounting/marshal.go

@@ -0,0 +1,122 @@
+package accounting
+
+import (
+	accounting "github.com/nspcc-dev/neofs-api-go/v2/accounting/grpc"
+	"github.com/nspcc-dev/neofs-api-go/v2/rpc/message"
+	protoutil "github.com/nspcc-dev/neofs-api-go/v2/util/proto"
+)
+
+const (
+	decimalValueField     = 1
+	decimalPrecisionField = 2
+
+	balanceReqBodyOwnerField = 1
+
+	balanceRespBodyDecimalField = 1
+)
+
+func (d *Decimal) StableMarshal(buf []byte) ([]byte, error) {
+	if d == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, d.StableSize())
+	}
+
+	var (
+		offset, n int
+		err       error
+	)
+
+	n, err = protoutil.Int64Marshal(decimalValueField, buf[offset:], d.val)
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	_, err = protoutil.UInt32Marshal(decimalPrecisionField, buf[offset:], d.prec)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
+
+func (d *Decimal) StableSize() (size int) {
+	if d == nil {
+		return 0
+	}
+
+	size += protoutil.Int64Size(decimalValueField, d.val)
+	size += protoutil.UInt32Size(decimalPrecisionField, d.prec)
+
+	return size
+}
+
+func (d *Decimal) Unmarshal(data []byte) error {
+	return message.Unmarshal(d, data, new(accounting.Decimal))
+}
+
+func (b *BalanceRequestBody) StableMarshal(buf []byte) ([]byte, error) {
+	if b == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, b.StableSize())
+	}
+
+	_, err := protoutil.NestedStructureMarshal(balanceReqBodyOwnerField, buf, b.ownerID)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
+
+func (b *BalanceRequestBody) StableSize() (size int) {
+	if b == nil {
+		return 0
+	}
+
+	size = protoutil.NestedStructureSize(balanceReqBodyOwnerField, b.ownerID)
+
+	return size
+}
+
+func (b *BalanceRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(b, data, new(accounting.BalanceRequest_Body))
+}
+
+func (br *BalanceResponseBody) StableMarshal(buf []byte) ([]byte, error) {
+	if br == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, br.StableSize())
+	}
+
+	_, err := protoutil.NestedStructureMarshal(balanceRespBodyDecimalField, buf, br.bal)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
+
+func (br *BalanceResponseBody) StableSize() (size int) {
+	if br == nil {
+		return 0
+	}
+
+	size = protoutil.NestedStructureSize(balanceRespBodyDecimalField, br.bal)
+
+	return size
+}
+
+func (br *BalanceResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(br, data, new(accounting.BalanceResponse_Body))
+}