49 lines
967 B
Go
49 lines
967 B
Go
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package bootstrap
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import "io"
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// SignedData returns payload bytes of the request.
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func (m Request) SignedData() ([]byte, error) {
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data := make([]byte, m.SignedDataSize())
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if _, err := m.ReadSignedData(data); err != nil {
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return nil, err
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}
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return data, nil
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}
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// SignedDataSize returns payload size of the request.
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func (m Request) SignedDataSize() (sz int) {
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sz += m.GetType().Size()
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sz += m.GetState().Size()
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info := m.GetInfo()
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sz += info.Size()
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return
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}
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// ReadSignedData copies payload bytes to passed buffer.
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//
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// If the Request size is insufficient, io.ErrUnexpectedEOF returns.
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func (m Request) ReadSignedData(p []byte) (int, error) {
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if len(p) < m.SignedDataSize() {
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return 0, io.ErrUnexpectedEOF
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}
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var off int
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off += copy(p[off:], m.GetType().Bytes())
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off += copy(p[off:], m.GetState().Bytes())
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info := m.GetInfo()
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// FIXME: implement and use stable functions
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n, err := info.MarshalTo(p[off:])
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off += n
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return off, err
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}
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