func SignSignable(s Signable, key interfaces.Signer) (interfaces.IFullSignature, error) {
toSign, err := s.MarshalForSignature()
if err != nil {
return nil, err
}
sig := key.Sign(toSign)
return sig, nil
}
func (m *DirectoryBlockSignature) SignHeader(key interfaces.Signer) error {
header, err := m.DirectoryBlockHeader.MarshalBinary()
if err != nil {
return err
}
m.DBSignature = key.Sign(header)
return nil
}
func (ar *AnchorRecord) MarshalAndSignV2(priv interfaces.Signer) ([]byte, []byte, error) {
data, err := ar.Marshal()
if err != nil {
return nil, nil, err
}
sig := priv.Sign(data)
return data, sig.Bytes(), nil
}