Beispiel #1
0
// TestFilterInsertKey ensures inserting public keys and addresses works as
// expected.
func TestFilterInsertKey(t *testing.T) {
	secret := "5Kg1gnAjaLfKiwhhPpGS3QfRg2m6awQvaj98JCZBZQ5SuS2F15C"

	wif, err := btcutil.DecodeWIF(secret)
	if err != nil {
		t.Errorf("TestFilterInsertKey DecodeWIF failed: %v", err)
		return
	}

	f := bloom.NewFilter(2, 0, 0.001, wire.BloomUpdateAll)
	f.Add(wif.SerializePubKey())
	f.Add(btcutil.Hash160(wif.SerializePubKey()))

	want, err := hex.DecodeString("038fc16b080000000000000001")
	if err != nil {
		t.Errorf("TestFilterInsertWithTweak DecodeString failed: %v\n", err)
		return
	}
	got := bytes.NewBuffer(nil)
	err = f.MsgFilterLoad().BtcEncode(got, wire.ProtocolVersion)
	if err != nil {
		t.Errorf("TestFilterInsertWithTweak BtcDecode failed: %v\n", err)
		return
	}

	if !bytes.Equal(got.Bytes(), want) {
		t.Errorf("TestFilterInsertWithTweak failure: got %v want %v\n",
			got.Bytes(), want)
		return
	}
}
Beispiel #2
0
func (s *walletServer) ImportPrivateKey(ctx context.Context, req *pb.ImportPrivateKeyRequest) (
	*pb.ImportPrivateKeyResponse, error) {

	defer zero.Bytes(req.Passphrase)

	wif, err := btcutil.DecodeWIF(req.PrivateKeyWif)
	if err != nil {
		return nil, grpc.Errorf(codes.InvalidArgument,
			"Invalid WIF-encoded private key: %v", err)
	}

	lock := make(chan time.Time, 1)
	defer func() {
		lock <- time.Time{} // send matters, not the value
	}()
	err = s.wallet.Unlock(req.Passphrase, lock)
	if err != nil {
		return nil, translateError(err)
	}

	// At the moment, only the special-cased import account can be used to
	// import keys.
	if req.Account != waddrmgr.ImportedAddrAccount {
		return nil, grpc.Errorf(codes.InvalidArgument,
			"Only the imported account accepts private key imports")
	}

	_, err = s.wallet.ImportPrivateKey(wif, nil, req.Rescan)
	if err != nil {
		return nil, translateError(err)
	}

	return &pb.ImportPrivateKeyResponse{}, nil
}
Beispiel #3
0
func RedirectRequest(w http.ResponseWriter, r *http.Request) {
	key := r.URL.Path[36:]

	wif, err := btcutil.DecodeWIF(key)
	if err != nil {
		w.WriteHeader(http.StatusNotFound)
		return
	}

	page, _ := new(big.Int).DivMod(new(big.Int).SetBytes(wif.PrivKey.D.Bytes()), big.NewInt(ResultsPerPage), big.NewInt(ResultsPerPage))
	page.Add(page, one)

	fragment, _ := btcutil.NewWIF(wif.PrivKey, &btcnet.MainNetParams, false)

	http.Redirect(w, r, "/"+page.String()+"#"+fragment.String(), http.StatusTemporaryRedirect)
}
// signRawTransaction requires a transaction, a private key, and the bytes of the raw
// scriptPubKey. It will then generate a signature over all of the outputs of
// the provided tx. This is the last step of creating a valid transaction.
func signRawTx(tx *Transaction, index int, wifPrivKey string, scriptPubKey []byte) ([]byte, error) {
	wif, err := btcutil.DecodeWIF(wifPrivKey)
	if err != nil {
		return []byte{}, err
	}

	// The all important signature. Each input is documented below.
	scriptSig, err := txscript.SignatureScript(
		&tx.MsgTx,           // The tx to be signed.
		index,               // The index of the txin the signature is for.
		scriptPubKey,        // The other half of the script from the PubKeyHash.
		txscript.SigHashAll, // The signature flags that indicate what the sig covers.
		wif.PrivKey,         // The key to generate the signature with.
		true,                // The compress sig flag. This saves space on the blockchain.
	)
	if err != nil {
		return []byte{}, err
	}
	return scriptSig, nil
}