Esempio n. 1
0
func SignFactoidTransaction(n uint64, tx interfaces.ITransaction) {
	tx.AddAuthorization(NewFactoidRCDAddress(n))
	data, err := tx.MarshalBinarySig()
	if err != nil {
		panic(err)
	}

	sig := factoid.NewSingleSignatureBlock(NewPrivKey(n), data)

	//str, err := sig.JSONString()

	//fmt.Printf("sig, err - %v, %v\n", str, err)

	tx.SetSignatureBlock(0, sig)

	err = tx.Validate(1)
	if err != nil {
		panic(err)
	}

	err = tx.ValidateSignatures()
	if err != nil {
		panic(err)
	}
}
Esempio n. 2
0
func (w RCD_1) CheckSig(trans interfaces.ITransaction, sigblk interfaces.ISignatureBlock) bool {
	if sigblk == nil {
		return false
	}
	data, err := trans.MarshalBinarySig()
	if err != nil {
		return false
	}
	signature := sigblk.GetSignature(0)
	if signature == nil {
		return false
	}
	cryptosig := signature.GetSignature()
	if cryptosig == nil {
		return false
	}

	return ed25519.VerifyCanonical(&w.PublicKey, data, cryptosig)
}
Esempio n. 3
0
func (w *SCWallet) SignInputs(trans interfaces.ITransaction) (bool, error) {

	data, err := trans.MarshalBinarySig() // Get the part of the transaction we sign
	if err != nil {
		return false, err
	}

	var numSigs int = 0

	inputs := trans.GetInputs()
	rcds := trans.GetRCDs()
	for i, rcd := range rcds {
		rcd1, ok := rcd.(*RCD_1)
		if ok {
			pub := rcd1.GetPublicKey()
			wex, err := w.db.Get([]byte(constants.W_ADDRESS_PUB_KEY), pub, new(WalletEntry))
			if err != nil {
				return false, err
			}
			we := wex.(*WalletEntry)
			if we != nil {
				var pri [constants.SIGNATURE_LENGTH]byte
				copy(pri[:], we.private[0])
				bsig := ed25519.Sign(&pri, data)
				sig := new(FactoidSignature)
				sig.SetSignature(bsig[:])
				sigblk := new(SignatureBlock)
				sigblk.AddSignature(sig)
				trans.SetSignatureBlock(i, sigblk)
				numSigs += 1
			}
		}
	}

	return numSigs == len(inputs), nil
}