frostfs-api-go/accounting/sign.go

124 lines
2.6 KiB
Go

package accounting
import (
"encoding/binary"
"io"
)
// SignedData returns payload bytes of the request.
func (m BalanceRequest) SignedData() ([]byte, error) {
data := make([]byte, m.SignedDataSize())
if _, err := m.ReadSignedData(data); err != nil {
return nil, err
}
return data, nil
}
// SignedDataSize returns payload size of the request.
func (m BalanceRequest) SignedDataSize() int {
return m.GetOwnerID().Size()
}
// ReadSignedData copies payload bytes to passed buffer.
//
// If the buffer size is insufficient, io.ErrUnexpectedEOF returns.
func (m BalanceRequest) ReadSignedData(p []byte) (int, error) {
sz := m.SignedDataSize()
if len(p) < sz {
return 0, io.ErrUnexpectedEOF
}
copy(p, m.GetOwnerID().Bytes())
return sz, nil
}
// SignedData returns payload bytes of the request.
func (m GetRequest) SignedData() ([]byte, error) {
data := make([]byte, m.SignedDataSize())
if _, err := m.ReadSignedData(data); err != nil {
return nil, err
}
return data, nil
}
// SignedDataSize returns payload size of the request.
func (m GetRequest) SignedDataSize() int {
return m.GetID().Size() + m.GetOwnerID().Size()
}
// ReadSignedData copies payload bytes to passed buffer.
//
// If the buffer size is insufficient, io.ErrUnexpectedEOF returns.
func (m GetRequest) ReadSignedData(p []byte) (int, error) {
sz := m.SignedDataSize()
if len(p) < sz {
return 0, io.ErrUnexpectedEOF
}
var off int
off += copy(p[off:], m.GetID().Bytes())
copy(p[off:], m.GetOwnerID().Bytes())
return sz, nil
}
// SignedData returns payload bytes of the request.
func (m PutRequest) SignedData() ([]byte, error) {
data := make([]byte, m.SignedDataSize())
if _, err := m.ReadSignedData(data); err != nil {
return nil, err
}
return data, nil
}
// SignedDataSize returns payload size of the request.
func (m PutRequest) SignedDataSize() (sz int) {
sz += m.GetOwnerID().Size()
sz += m.GetMessageID().Size()
sz += 8
if amount := m.GetAmount(); amount != nil {
sz += amount.Size()
}
return
}
// ReadSignedData copies payload bytes to passed buffer.
//
// If the buffer size is insufficient, io.ErrUnexpectedEOF returns.
func (m PutRequest) ReadSignedData(p []byte) (int, error) {
if len(p) < m.SignedDataSize() {
return 0, io.ErrUnexpectedEOF
}
var off int
off += copy(p[off:], m.GetOwnerID().Bytes())
off += copy(p[off:], m.GetMessageID().Bytes())
binary.BigEndian.PutUint64(p[off:], m.GetHeight())
off += 8
if amount := m.GetAmount(); amount != nil {
n, err := amount.MarshalTo(p[off:])
off += n
if err != nil {
return off + n, err
}
}
return off, nil
}