waku-org/go-waku

package noise

import (
    "errors"

    n "github.com/waku-org/go-noise"
    "github.com/waku-org/go-waku/waku/v2/protocol/pb"
    "google.golang.org/protobuf/proto"
)

const NoiseEncryption = 2

// DecodePayloadV2 decodes a WakuMessage to a PayloadV2
// Currently, this is just a wrapper over deserializePayloadV2 and encryption/decryption is done on top (no KeyInfo)
func DecodePayloadV2(message *pb.WakuMessage) (*n.PayloadV2, error) {
    if message.GetVersion() != NoiseEncryption {
        return nil, errors.New("wrong message version while decoding payload")
    }
    return n.DeserializePayloadV2(message.Payload)
}

// EncodePayloadV2 encodes a PayloadV2 to a WakuMessage
// Currently, this is just a wrapper over serializePayloadV2 and encryption/decryption is done on top (no KeyInfo)
func EncodePayloadV2(payload2 *n.PayloadV2) (*pb.WakuMessage, error) {
    serializedPayload2, err := payload2.Serialize()
    if err != nil {
        return nil, err
    }

    return &pb.WakuMessage{
        Payload: serializedPayload2,
        Version: proto.Uint32(NoiseEncryption),
    }, nil
}