[#265] reputation: Implement converters and encoding methods on messages

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

v2/reputation/marshal.go

@@ -0,0 +1,118 @@
+package reputation
+
+import (
+	"github.com/nspcc-dev/neofs-api-go/rpc/message"
+	protoutil "github.com/nspcc-dev/neofs-api-go/util/proto"
+	reputation "github.com/nspcc-dev/neofs-api-go/v2/reputation/grpc"
+)
+
+const (
+	_ = iota
+	trustPeerFNum
+	trustValueFNum
+)
+
+func (x *Trust) StableMarshal(buf []byte) ([]byte, error) {
+	if x == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	var (
+		offset, n int
+		err       error
+	)
+
+	n, err = protoutil.BytesMarshal(trustPeerFNum, buf[offset:], x.peer)
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	_, err = protoutil.Float64Marshal(trustValueFNum, buf[offset:], x.val)
+	if err != nil {
+		return nil, err
+	}
+
+	return buf, nil
+}
+
+func (x *Trust) StableSize() (size int) {
+	size += protoutil.BytesSize(trustPeerFNum, x.peer)
+	size += protoutil.Float64Size(trustValueFNum, x.val)
+
+	return
+}
+
+func (x *Trust) Unmarshal(data []byte) error {
+	return message.Unmarshal(x, data, new(reputation.Trust))
+}
+
+const (
+	_ = iota
+	sendLocalTrustBodyEpochFNum
+	sendLocalTrustBodyTrustsFNum
+)
+
+func (x *SendLocalTrustRequestBody) StableMarshal(buf []byte) ([]byte, error) {
+	if x == nil {
+		return []byte{}, nil
+	}
+
+	if buf == nil {
+		buf = make([]byte, x.StableSize())
+	}
+
+	var (
+		offset, n int
+		err       error
+	)
+
+	n, err = protoutil.UInt64Marshal(sendLocalTrustBodyEpochFNum, buf[offset:], x.epoch)
+	if err != nil {
+		return nil, err
+	}
+
+	offset += n
+
+	for i := range x.trusts {
+		n, err = protoutil.NestedStructureMarshal(sendLocalTrustBodyTrustsFNum, buf[offset:], x.trusts[i])
+		if err != nil {
+			return nil, err
+		}
+
+		offset += n
+	}
+
+	return buf, nil
+}
+
+func (x *SendLocalTrustRequestBody) StableSize() (size int) {
+	size += protoutil.UInt64Size(sendLocalTrustBodyEpochFNum, x.epoch)
+
+	for i := range x.trusts {
+		size += protoutil.NestedStructureSize(sendLocalTrustBodyTrustsFNum, x.trusts[i])
+	}
+
+	return
+}
+
+func (x *SendLocalTrustRequestBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(x, data, new(reputation.SendLocalTrustRequest_Body))
+}
+
+func (x *SendLocalTrustResponseBody) StableMarshal(buf []byte) ([]byte, error) {
+	return buf, nil
+}
+
+func (x *SendLocalTrustResponseBody) StableSize() int {
+	return 0
+}
+
+func (x *SendLocalTrustResponseBody) Unmarshal(data []byte) error {
+	return message.Unmarshal(x, data, new(reputation.SendLocalTrustResponse_Body))
+}