func newSkipchainService(c *onet.Context, path string) onet.Service {
s := &Service{
ServiceProcessor: onet.NewServiceProcessor(c),
path: path,
SkipBlockMap: &SkipBlockMap{make(map[string]*SkipBlock)},
verifiers: map[VerifierID]SkipBlockVerifier{},
}
var err error
s.Propagate, err = manage.NewPropagationFunc(c, "SkipchainPropagate", s.PropagateSkipBlock)
log.ErrFatal(err)
c.ProtocolRegister(skipchainBFT, func(n *onet.TreeNodeInstance) (onet.ProtocolInstance, error) {
return bftcosi.NewBFTCoSiProtocol(n, s.bftVerify)
})
if err := s.tryLoad(); err != nil {
log.Error(err)
}
log.ErrFatal(s.RegisterHandlers(s.ProposeSkipBlock, s.SetChildrenSkipBlock,
s.GetUpdateChain))
if err := s.RegisterVerification(VerifyShard, s.VerifyShardFunc); err != nil {
log.Panic(err)
}
if err := s.RegisterVerification(VerifyNone, s.VerifyNoneFunc); err != nil {
log.Panic(err)
}
return s
}
// addSliceToHash hashes the whole SkipBlockFix plus a slice of bytes.
// This is used
func (sbf *SkipBlockFix) calculateHash() SkipBlockID {
b, err := network.MarshalRegisteredType(sbf)
if err != nil {
log.Panic("Couldn't marshal SkipBlockFix:", err)
}
h, err := crypto.HashBytes(network.Suite.Hash(), b)
if err != nil {
log.Panic("Couldn't hash SkipBlockFix:", err)
}
return h
}