Examples with TransactionInput co.rsk.bitcoinj.core.TransactionInput used on opensource projects

Example 21 with TransactionInput

use of co.rsk.bitcoinj.core.TransactionInput in project rskj by rsksmart.

the class BridgeUtilsTest method isInputSignedByThisFederator_isSignedByAnotherFederator.

@Test
public void isInputSignedByThisFederator_isSignedByAnotherFederator() {
    // Arrange
    BtcECKey federator1Key = new BtcECKey();
    BtcECKey federator2Key = new BtcECKey();
    Federation federation = new Federation(FederationMember.getFederationMembersFromKeys(Arrays.asList(federator1Key, federator2Key)), Instant.now(), 0, networkParameters);
    // Create a tx from the Fed to a random btc address
    BtcTransaction tx = new BtcTransaction(networkParameters);
    TransactionInput txInput = new TransactionInput(networkParameters, tx, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    // Create script to be signed by federation members
    Script inputScript = PegTestUtils.createBaseInputScriptThatSpendsFromTheFederation(federation);
    txInput.setScriptSig(inputScript);
    tx.addInput(txInput);
    List<ScriptChunk> chunks = inputScript.getChunks();
    byte[] program = chunks.get(chunks.size() - 1).data;
    Script redeemScript = new Script(program);
    Sha256Hash sighash = tx.hashForSignature(0, redeemScript, BtcTransaction.SigHash.ALL, false);
    BtcECKey.ECDSASignature sig = federator1Key.sign(sighash);
    TransactionSignature txSig = new TransactionSignature(sig, BtcTransaction.SigHash.ALL, false);
    byte[] txSigEncoded = txSig.encodeToBitcoin();
    int sigIndex = inputScript.getSigInsertionIndex(sighash, federator1Key);
    inputScript = ScriptBuilder.updateScriptWithSignature(inputScript, txSigEncoded, sigIndex, 1, 1);
    txInput.setScriptSig(inputScript);
    // Act
    boolean isSigned = BridgeUtils.isInputSignedByThisFederator(federator2Key, sighash, txInput);
    // Assert
    Assert.assertFalse(isSigned);
}

Example 22 with TransactionInput

use of co.rsk.bitcoinj.core.TransactionInput in project rskj by rsksmart.

the class BridgeUtilsTest method testIsValidPegInTx_hasChangeUtxoFromFastBridgeErpRetiredFederation_beforeRskip201_isPegin.

@Test
public void testIsValidPegInTx_hasChangeUtxoFromFastBridgeErpRetiredFederation_beforeRskip201_isPegin() {
    Context btcContext = new Context(networkParameters);
    Federation activeFederation = bridgeConstantsRegtest.getGenesisFederation();
    when(activations.isActive(ConsensusRule.RSKIP201)).thenReturn(false);
    when(activations.isActive(ConsensusRule.RSKIP284)).thenReturn(true);
    List<BtcECKey> retiredFederationKeys = Arrays.asList(BtcECKey.fromPrivate(Hex.decode("fa01")), BtcECKey.fromPrivate(Hex.decode("fa02")));
    retiredFederationKeys.sort(BtcECKey.PUBKEY_COMPARATOR);
    Federation retiredFederation = new Federation(FederationTestUtils.getFederationMembersWithBtcKeys(retiredFederationKeys), Instant.ofEpochMilli(1000L), 0L, networkParameters);
    List<BtcECKey> erpFederationPublicKeys = Arrays.asList(BtcECKey.fromPrivate(Hex.decode("fa03")), BtcECKey.fromPrivate(Hex.decode("fa04")));
    erpFederationPublicKeys.sort(BtcECKey.PUBKEY_COMPARATOR);
    Federation erpFederation = new ErpFederation(FederationTestUtils.getFederationMembersWithBtcKeys(retiredFederationKeys), Instant.ofEpochMilli(1000L), 0L, networkParameters, erpFederationPublicKeys, 500L, activations);
    // Create a tx from the retired fast bridge fed to the active fed
    BtcTransaction tx = new BtcTransaction(networkParameters);
    tx.addOutput(Coin.COIN, activeFederation.getAddress());
    TransactionInput txInput = new TransactionInput(networkParameters, tx, new byte[0], new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx.addInput(txInput);
    Script fastBridgeErpRedeemScript = FastBridgeErpRedeemScriptParser.createFastBridgeErpRedeemScript(erpFederation.getRedeemScript(), PegTestUtils.createHash(2));
    signWithNecessaryKeys(erpFederation, fastBridgeErpRedeemScript, retiredFederationKeys, txInput, tx);
    assertTrue(BridgeUtils.isValidPegInTx(tx, Collections.singletonList(activeFederation), retiredFederation.getP2SHScript(), btcContext, bridgeConstantsRegtest, activations));
}

Example 23 with TransactionInput

use of co.rsk.bitcoinj.core.TransactionInput in project rskj by rsksmart.

the class BridgeUtilsTest method testIsPegOutTx_invalidRedeemScript.

@Test
public void testIsPegOutTx_invalidRedeemScript() {
    Federation federation = bridgeConstantsRegtest.getGenesisFederation();
    Address randomAddress = PegTestUtils.createRandomBtcAddress();
    Script invalidRedeemScript = ScriptBuilder.createRedeemScript(2, Arrays.asList(new BtcECKey(), new BtcECKey()));
    BtcTransaction pegOutTx1 = new BtcTransaction(networkParameters);
    pegOutTx1.addOutput(Coin.COIN, randomAddress);
    TransactionInput pegOutInput1 = new TransactionInput(networkParameters, pegOutTx1, invalidRedeemScript.getProgram(), new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    pegOutTx1.addInput(pegOutInput1);
    assertFalse(BridgeUtils.isPegOutTx(pegOutTx1, Collections.singletonList(federation), activations));
}

Example 24 with TransactionInput

use of co.rsk.bitcoinj.core.TransactionInput in project rskj by rsksmart.

the class BridgeUtilsTest method scriptCorrectlySpends_invalidScript.

@Test
public void scriptCorrectlySpends_invalidScript() {
    Federation genesisFederation = bridgeConstantsRegtest.getGenesisFederation();
    Address destinationAddress = PegTestUtils.createRandomBtcAddress();
    BtcTransaction tx = new BtcTransaction(networkParameters);
    tx.addOutput(Coin.COIN, destinationAddress);
    TransactionInput txIn = new TransactionInput(networkParameters, tx, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx.addInput(txIn);
    signWithNecessaryKeys(genesisFederation, BridgeRegTestConstants.REGTEST_FEDERATION_PRIVATE_KEYS, txIn, tx);
    // Add script op codes to the tx input script sig to make it invalid
    ScriptBuilder scriptBuilder = new ScriptBuilder(tx.getInput(0).getScriptSig());
    Script invalidScript = scriptBuilder.op(ScriptOpCodes.OP_IF).op(ScriptOpCodes.OP_ENDIF).build();
    tx.getInput(0).setScriptSig(invalidScript);
    assertFalse(BridgeUtils.scriptCorrectlySpendsTx(tx, 0, genesisFederation.getP2SHScript()));
}

Example 25 with TransactionInput

use of co.rsk.bitcoinj.core.TransactionInput in project rskj by rsksmart.

the class BridgeUtilsTest method testIsValidPegInTxForTwoFederations.

@Test
public void testIsValidPegInTxForTwoFederations() {
    Context btcContext = new Context(networkParameters);
    when(activations.isActive(any(ConsensusRule.class))).thenReturn(false);
    List<BtcECKey> federation1Keys = Arrays.asList(BtcECKey.fromPrivate(Hex.decode("fa01")), BtcECKey.fromPrivate(Hex.decode("fa02")));
    federation1Keys.sort(BtcECKey.PUBKEY_COMPARATOR);
    Federation federation1 = new Federation(FederationTestUtils.getFederationMembersWithBtcKeys(federation1Keys), Instant.ofEpochMilli(1000L), 0L, networkParameters);
    List<BtcECKey> federation2Keys = Arrays.asList(BtcECKey.fromPrivate(Hex.decode("fb01")), BtcECKey.fromPrivate(Hex.decode("fb02")), BtcECKey.fromPrivate(Hex.decode("fb03")));
    federation2Keys.sort(BtcECKey.PUBKEY_COMPARATOR);
    Federation federation2 = new Federation(FederationTestUtils.getFederationMembersWithBtcKeys(federation2Keys), Instant.ofEpochMilli(2000L), 0L, networkParameters);
    Address address1 = federation1.getAddress();
    Address address2 = federation2.getAddress();
    List<Federation> federations = Arrays.asList(federation1, federation2);
    // Tx sending less than 1 btc to the first federation, not a peg-in tx
    BtcTransaction tx = new BtcTransaction(networkParameters);
    tx.addOutput(Coin.CENT, address1);
    tx.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertFalse(BridgeUtils.isValidPegInTx(tx, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending less than 1 btc to the second federation, not a peg-in tx
    tx = new BtcTransaction(networkParameters);
    tx.addOutput(Coin.CENT, address2);
    tx.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertFalse(BridgeUtils.isValidPegInTx(tx, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending less than 1 btc to both federations, not a peg-in tx
    tx = new BtcTransaction(networkParameters);
    tx.addOutput(Coin.CENT, address1);
    tx.addOutput(Coin.CENT, address2);
    tx.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertFalse(BridgeUtils.isValidPegInTx(tx, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to the first federation, but also spending from the first federation address, the typical peg-out tx, not a peg-in tx.
    BtcTransaction tx2 = new BtcTransaction(networkParameters);
    tx2.addOutput(Coin.COIN, address1);
    TransactionInput txIn = new TransactionInput(networkParameters, tx2, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(federation1, federation1Keys, txIn, tx2);
    assertFalse(BridgeUtils.isValidPegInTx(tx2, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to the second federation, but also spending from the second federation address,
    // the typical peg-out tx, not a peg-in tx.
    tx2 = new BtcTransaction(networkParameters);
    tx2.addOutput(Coin.COIN, address2);
    txIn = new TransactionInput(networkParameters, tx2, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(federation2, federation2Keys, txIn, tx2);
    assertFalse(BridgeUtils.isValidPegInTx(tx2, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to both federations, but also spending from the first federation address,
    // the typical peg-out tx, not a peg-in tx.
    tx2 = new BtcTransaction(networkParameters);
    tx2.addOutput(Coin.COIN, address1);
    tx2.addOutput(Coin.COIN, address2);
    txIn = new TransactionInput(networkParameters, tx2, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(federation1, federation1Keys, txIn, tx2);
    assertFalse(BridgeUtils.isValidPegInTx(tx2, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to both federations, but also spending from the second federation address,
    // the typical peg-out tx, not a peg-in tx.
    tx2 = new BtcTransaction(networkParameters);
    tx2.addOutput(Coin.COIN, address1);
    tx2.addOutput(Coin.COIN, address2);
    txIn = new TransactionInput(networkParameters, tx2, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(federation2, federation2Keys, txIn, tx2);
    assertFalse(BridgeUtils.isValidPegInTx(tx2, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc from federation1 to federation2, the typical migration tx, not a peg-in tx.
    tx2 = new BtcTransaction(networkParameters);
    tx2.addOutput(Coin.COIN, address2);
    txIn = new TransactionInput(networkParameters, tx2, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(federation1, federation1Keys, txIn, tx2);
    assertFalse(BridgeUtils.isValidPegInTx(tx2, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc from federation1 to federation2, the typical migration tx from the retired federation,
    // not a peg-in tx.
    tx2 = new BtcTransaction(networkParameters);
    tx2.addOutput(Coin.COIN, address2);
    txIn = new TransactionInput(networkParameters, tx2, new byte[] {}, new TransactionOutPoint(networkParameters, 0, Sha256Hash.ZERO_HASH));
    tx2.addInput(txIn);
    signWithNecessaryKeys(federation1, federation1Keys, txIn, tx2);
    assertFalse(BridgeUtils.isValidPegInTx(tx2, Collections.singletonList(federation2), federation1.getP2SHScript(), btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to the first federation, is a peg-in tx
    BtcTransaction tx3 = new BtcTransaction(networkParameters);
    tx3.addOutput(Coin.COIN, address1);
    tx3.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isValidPegInTx(tx3, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to the second federation, is a peg-in tx
    tx3 = new BtcTransaction(networkParameters);
    tx3.addOutput(Coin.COIN, address2);
    tx3.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isValidPegInTx(tx3, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 1 btc to the both federations, is a peg-in tx
    tx3 = new BtcTransaction(networkParameters);
    tx3.addOutput(Coin.COIN, address1);
    tx3.addOutput(Coin.COIN, address2);
    tx3.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isValidPegInTx(tx3, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 50 btc to the first federation, is a peg-in tx
    BtcTransaction tx4 = new BtcTransaction(networkParameters);
    tx4.addOutput(Coin.FIFTY_COINS, address1);
    tx4.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isValidPegInTx(tx4, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 50 btc to the second federation, is a peg-in tx
    tx4 = new BtcTransaction(networkParameters);
    tx4.addOutput(Coin.FIFTY_COINS, address2);
    tx4.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isValidPegInTx(tx4, federations, null, btcContext, bridgeConstantsRegtest, activations));
    // Tx sending 50 btc to the both federations, is a peg-in tx
    tx4 = new BtcTransaction(networkParameters);
    tx4.addOutput(Coin.FIFTY_COINS, address1);
    tx4.addOutput(Coin.FIFTY_COINS, address2);
    tx4.addInput(Sha256Hash.ZERO_HASH, 0, new Script(new byte[] {}));
    assertTrue(BridgeUtils.isValidPegInTx(tx4, federations, null, btcContext, bridgeConstantsRegtest, activations));
}