Пример #1
0
// Create and initialize a state object.
func CreateState(messageRouter common.MessageRouter) (s *State, err error) {
	s = new(State)
	// check that we have a non-nil messageSender
	if messageRouter == nil {
		err = fmt.Errorf("Cannot initialize with a nil messageRouter")
		return
	}

	// create a signature keypair for this state
	pubKey, secKey, err := crypto.CreateKeyPair()
	if err != nil {
		return
	}

	// calculate the value of an empty hash (default for storedEntropyStage2 on all hosts is a blank array)
	emptyHash, err := crypto.CalculateTruncatedHash(s.storedEntropyStage2[:])
	if err != nil {
		return
	}

	// set state variables to their defaults
	s.messageRouter = messageRouter
	s.self = new(participant)
	s.self.address = messageRouter.AddMessageHandler(s)
	s.self.publicKey = pubKey
	s.secretKey = secKey
	for i := range s.previousEntropyStage1 {
		s.previousEntropyStage1[i] = emptyHash
	}
	s.participantIndex = 255
	s.currentStep = 1
	s.wallets = make(map[string]uint64)

	return
}