Examples of org.ethereum.core.Transaction.sign()

org.ethereum.core.Transaction.sign()

        byte[] gas =      Hex.decode("4255");


        Transaction tx = new Transaction(null, value.toByteArray(),
                ecKey.getAddress(),  gasPrice, gas, null);


        tx.sign(privKey);
        tx.getEncoded();


        Set<Transaction> txs = new HashSet<>(Arrays.asList(tx));
        TransactionsMessage transactionsMessage = new TransactionsMessage(txs);

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                nonce,
                gasPrice, gasBI,
                contractAddress, endowment, data);


        try {
            tx.sign(senderPrivKey);
        } catch (Exception e1) {
            dialog.alertStatusMsg("Failed to sign the transaction");
            return null;
        }
        return tx;

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                         gasPrice,
                        BigIntegers.asUnsignedByteArray(fee), address,
                        BigIntegers.asUnsignedByteArray(value), null);


        try {
          tx.sign(senderPrivKey);
        } catch (Exception e1) {
          dialog.alertStatusMsg("Failed to sign the transaction");
          return;
        }

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  public void testTransactionFromUnsignedRLP() throws Exception {
      Transaction txUnsigned = new Transaction(Hex.decode(RLP_ENCODED_UNSIGNED_TX));
      
      assertEquals(HASH_TX, Hex.toHexString(txUnsigned.getHash()));
      assertEquals(RLP_ENCODED_UNSIGNED_TX, Hex.toHexString(txUnsigned.getEncoded()));
      txUnsigned.sign(Hex.decode(KEY));
      assertEquals(RLP_ENCODED_SIGNED_TX, Hex.toHexString(txUnsigned.getEncoded()));     
      
      assertEquals(BigInteger.ZERO, new BigInteger(1, txUnsigned.getNonce()));
      assertEquals(new BigInteger(1, testGasPrice), new BigInteger(1, txUnsigned.getGasPrice()));
      assertEquals(new BigInteger(1, testGasLimit), new BigInteger(1, txUnsigned.getGasLimit()));

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      assertNull(txNew.getSignature());
      
      assertEquals(RLP_ENCODED_RAW_TX, Hex.toHexString(txNew.getEncodedRaw()));
      assertEquals(HASH_TX, Hex.toHexString(txNew.getHash()));
      assertEquals(RLP_ENCODED_UNSIGNED_TX, Hex.toHexString(txNew.getEncoded()));
      txNew.sign(Hex.decode(KEY));
      assertEquals(RLP_ENCODED_SIGNED_TX, Hex.toHexString(txNew.getEncoded()));     
      
      assertEquals(27, txNew.getSignature().v);
      assertEquals("eab47c1a49bf2fe5d40e01d313900e19ca485867d462fe06e139e3a536c6d4f4", Hex.toHexString(BigIntegers.asUnsignedByteArray(txNew.getSignature().r)));
      assertEquals("14a569d327dcda4b29f74f93c0e9729d2f49ad726e703f9cd90dbb0fbf6649f1", Hex.toHexString(BigIntegers.asUnsignedByteArray(txNew.getSignature().s)));

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      String encodedUnsigned = Hex.toHexString(tx.getEncoded());
        assertEquals(RLP_TX_UNSIGNED, encodedUnsigned);
        assertEquals(HASH_TX_UNSIGNED, Hex.toHexString(tx.getHash()));


        // Testing signed
        tx.sign(privKeyBytes);
        String encodedSigned = Hex.toHexString(tx.getEncoded());       
        assertEquals(RLP_TX_SIGNED, encodedSigned);
        assertEquals(HASH_TX_UNSIGNED, Hex.toHexString(tx.getHash()));
  }

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        byte[] init       = Hex.decode("4560005444602054600f60056002600a02010b0d630000001d596002602054630000003b5860066000530860056006600202010a0d6300000036596004604054630000003b586005606054");




        Transaction tx1 = new Transaction(nonce, gasPrice, gas,
                recieveAddress, endowment, init);
        tx1.sign(senderPrivKey);


        byte[] payload = tx1.getEncoded();




        System.out.println(Hex.toHexString(payload));

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                Hex.decode("0000000000000000000000000000000000000000"),
                Hex.decode("03e8"),
                Hex.decode("60016000546006601160003960066000f261778e600054")
        );
        byte[] cowPrivKey = Hex.decode("c85ef7d79691fe79573b1a7064c19c1a9819ebdbd1faaab1a8ec92344438aaf4");
        tx.sign(cowPrivKey);


        byte[] postTxState = Hex.decode("7fa5bd00f6e03b5a5718560f1e25179b227167585a3c3da06a48f554365fb527");
        byte[] cumGas      = Hex.decode("0272");


        TransactionReceipt tr = new TransactionReceipt(tx, postTxState, cumGas);

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                Hex.decode("0A"),
                new byte[]{}
        );


        ECKey catKey = ECKey.fromPrivate(HashUtil.sha3("cat".getBytes()));
        tx.sign(catKey.getPrivKeyBytes());


        wallet.applyTransaction(tx);


        BigInteger walletBalance = wallet.getBalance(cowKey.getAddress());
        Assert.assertEquals(BigInteger.valueOf(20), walletBalance);

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        // Tn (nonce); Tp(pgas); Tg(gaslimi); Tt(value); Tv(value); Ti(sender);  Tw; Tr; Ts
        Transaction tx = new Transaction(null, gasPrice, gas, ecKey.getAddress(),
                value.toByteArray(),
                   null);


        tx.sign(senderPrivKey);


        System.out.println("v\t\t\t: " + Hex.toHexString(new byte[] { tx.getSignature().v }));
        System.out.println("r\t\t\t: " + Hex.toHexString(BigIntegers.asUnsignedByteArray(tx.getSignature().r)));
        System.out.println("s\t\t\t: " + Hex.toHexString(BigIntegers.asUnsignedByteArray(tx.getSignature().s)));

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