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unencrypted_message.go
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/
unencrypted_message.go
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package proto
import (
"fmt"
"github.com/gotd/td/bin"
)
// UnencryptedMessage is plaintext message.
type UnencryptedMessage struct {
MessageID int64
MessageData []byte
}
// Decode implements bin.Decoder.
func (u *UnencryptedMessage) Decode(b *bin.Buffer) error {
{
// Reading auth_key_id that should be always equal to zero.
id, err := b.Long()
if err != nil {
return err
}
if id != 0 {
return fmt.Errorf("unexpected auth_key_id %d of plaintext message", id)
}
}
{
v, err := b.Long()
if err != nil {
return err
}
u.MessageID = v
}
// Reading data.
dataLen, err := b.Int32()
if err != nil {
return err
}
u.MessageData = append(u.MessageData[:0], make([]byte, dataLen)...)
if err := b.ConsumeN(u.MessageData, int(dataLen)); err != nil {
return fmt.Errorf("failed to consume payload: %w", err)
}
return nil
}
// Encode implements bin.Encoder.
func (u UnencryptedMessage) Encode(b *bin.Buffer) error {
b.PutLong(0)
b.PutLong(u.MessageID)
b.PutInt32(int32(len(u.MessageData)))
b.Put(u.MessageData)
return nil
}