Examples with ECKey com.sparrowwallet.drongo.crypto.ECKey used on opensource projects

Example 11 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project drongo by sparrowwallet.

the class TransactionTest method verifyP2SHP2WSHSigHashSingleAnyoneCanPay.

@Test
public void verifyP2SHP2WSHSigHashSingleAnyoneCanPay() {
    String hex = "010000000136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e0100000000ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc0631e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e6e84c138dbbd3c3ee41588ac00000000";
    Transaction transaction = new Transaction(Utils.hexToBytes(hex));
    ECKey pubKey = ECKey.fromPublicOnly(Utils.hexToBytes("02d8b661b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b"));
    Script script = new Script(Utils.hexToBytes("56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba32103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a21033400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b661b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae"));
    Sha256Hash hash = transaction.hashForWitnessSignature(0, script, 987654321L, SigHash.ANYONECANPAY_SINGLE);
    TransactionSignature signature = TransactionSignature.decodeFromBitcoin(Utils.hexToBytes("30440220525406a1482936d5a21888260dc165497a90a15669636d8edca6b9fe490d309c022032af0c646a34a44d1f4576bf6a4a74b67940f8faa84c7df9abe12a01a11e2b4783"), true);
    Assert.assertTrue(pubKey.verify(hash, signature));
}

Example 12 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project drongo by sparrowwallet.

the class TransactionTest method verifyReconstructedTxP2SHP2WSH.

@Test
public void verifyReconstructedTxP2SHP2WSH() throws NonStandardScriptException, IOException, InvalidAddressException {
    String spent0Hex = "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";
    Transaction spent2Transaction = new Transaction(Utils.hexToBytes(spent0Hex));
    TransactionOutput spent0Output = spent2Transaction.getOutputs().get(0);
    ScriptType spent0ScriptType = ScriptType.getType(spent0Output.getScript());
    Assert.assertEquals(ScriptType.P2SH, spent0ScriptType);
    String spendingHex = "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";
    Transaction spendingTransaction = new Transaction(Utils.hexToBytes(spendingHex));
    TransactionInput input0 = spendingTransaction.getInputs().get(0);
    TransactionWitness witness0 = input0.getWitness();
    TransactionSignature signature0 = TransactionSignature.decodeFromBitcoin(witness0.getPushes().get(1), false);
    TransactionSignature signature1 = TransactionSignature.decodeFromBitcoin(witness0.getPushes().get(2), false);
    Script witnessScript = new Script(witness0.getPushes().get(3));
    ECKey key0 = witnessScript.getChunks().get(1).getPubKey();
    ECKey key1 = witnessScript.getChunks().get(2).getPubKey();
    ECKey key2 = witnessScript.getChunks().get(3).getPubKey();
    Map<ECKey, TransactionSignature> pubKeySignatures = new TreeMap<>(new ECKey.LexicographicECKeyComparator());
    pubKeySignatures.put(key0, signature0);
    pubKeySignatures.put(key1, signature1);
    pubKeySignatures.put(key2, null);
    Transaction transaction = new Transaction();
    transaction.setSegwitFlag(1);
    TransactionInput input = ScriptType.P2SH_P2WSH.addMultisigSpendingInput(transaction, spent0Output, 2, pubKeySignatures);
    transaction.addOutput(59287429, Address.fromString("3PBjKH4FRuEKy4sD3NfL7tqfZTG5K42owu"));
    transaction.addOutput(212571, Address.fromString("3KRUgU4XGuErXkjBtFhksPzTGJ4AMwF4jB"));
    Assert.assertEquals(spendingTransaction.getLength(), transaction.getLength());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    transaction.bitcoinSerializeToStream(baos);
    String constructedHex = Utils.bytesToHex(baos.toByteArray());
    Assert.assertEquals(spendingHex, constructedHex);
}

Example 13 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project drongo by sparrowwallet.

the class TransactionTest method verifyReconstructedTxP2SH.

@Test
public void verifyReconstructedTxP2SH() throws NonStandardScriptException, IOException, InvalidAddressException {
    String spent0Hex = "01000000013192d32076c7d60729f2eca05fd60d40887fe332421be0e828b188efb95b3e7c010000006a4730440220456662aff60c92d20e9e16ee01b6ea8748ef1b4720a858134d0ee038c83df8c70220464905dd25c1cd97833495a8101d7c0e5d0eb5edc9f7619fa14a2117ad92d116012103c144e864600c155326e0925844aace78fe424abbb8c00a0ce7d7e9ae13da7e95ffffffff02c8a67b490000000017a91432a81641354091c480fe29a64324ece273ed669487c2895ea8220000001976a914359fcea57940deaa62db92f65394e973ba25310288ac00000000";
    Transaction spent2Transaction = new Transaction(Utils.hexToBytes(spent0Hex));
    TransactionOutput spent0Output = spent2Transaction.getOutputs().get(0);
    ScriptType spent0ScriptType = ScriptType.getType(spent0Output.getScript());
    Assert.assertEquals(ScriptType.P2SH, spent0ScriptType);
    String spendingHex = "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";
    Transaction spendingTransaction = new Transaction(Utils.hexToBytes(spendingHex));
    TransactionInput input0 = spendingTransaction.getInputs().get(0);
    TransactionSignature signature0 = input0.getScriptSig().getChunks().get(1).getSignature();
    TransactionSignature signature1 = input0.getScriptSig().getChunks().get(2).getSignature();
    Script redeemScript = new Script(input0.getScriptSig().getChunks().get(3).getData());
    ECKey key0 = redeemScript.getChunks().get(1).getPubKey();
    ECKey key1 = redeemScript.getChunks().get(2).getPubKey();
    ECKey key2 = redeemScript.getChunks().get(3).getPubKey();
    Map<ECKey, TransactionSignature> pubKeySignatures = new TreeMap<>(new ECKey.LexicographicECKeyComparator());
    pubKeySignatures.put(key0, signature0);
    pubKeySignatures.put(key1, signature1);
    pubKeySignatures.put(key2, null);
    Transaction transaction = new Transaction();
    spent0ScriptType.addMultisigSpendingInput(transaction, spent0Output, 2, pubKeySignatures);
    transaction.addOutput(833300, Address.fromString("31mKrRn3xQoGppLY5dU92Dbm4kN4ddkknE"));
    transaction.addOutput(1222480000, Address.fromString("1CL9kj1seXif6agPfeh6vpKkzc2Hxq1UpM"));
    transaction.addOutput(332000, Address.fromString("1B6ifpYaSvBkjJTf4W1tjYgDYajFua3NU8"));
    transaction.addOutput(8993844, Address.fromString("3Pwp5u7PwgrMw3gAAyLAkDKYKRrFuFkneG"));
    Assert.assertEquals(spendingTransaction.getLength(), transaction.getLength());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    transaction.bitcoinSerializeToStream(baos);
    String constructedHex = Utils.bytesToHex(baos.toByteArray());
    Assert.assertEquals(spendingHex, constructedHex);
}

Example 14 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project drongo by sparrowwallet.

the class TransactionTest method verifyReconstructedTxP2PKH.

@Test
public void verifyReconstructedTxP2PKH() throws NonStandardScriptException, IOException, InvalidAddressException {
    String spent0Hex = "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    Transaction spent2Transaction = new Transaction(Utils.hexToBytes(spent0Hex));
    TransactionOutput spent0Output = spent2Transaction.getOutputs().get(44);
    ScriptType spent0ScriptType = ScriptType.getType(spent0Output.getScript());
    Assert.assertEquals(ScriptType.P2PKH, spent0ScriptType);
    String spent1Hex = "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";
    Transaction spentTransaction = new Transaction(Utils.hexToBytes(spent1Hex));
    TransactionOutput spent1Output = spentTransaction.getOutputs().get(1);
    ScriptType spent1ScriptType = ScriptType.getType(spent1Output.getScript());
    Assert.assertEquals(ScriptType.P2PKH, spent1ScriptType);
    String spendingHex = "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";
    Transaction spendingTransaction = new Transaction(Utils.hexToBytes(spendingHex));
    TransactionInput input0 = spendingTransaction.getInputs().get(0);
    TransactionSignature signature0 = input0.getScriptSig().getChunks().get(0).getSignature();
    ECKey pubKey0 = input0.getScriptSig().getChunks().get(1).getPubKey();
    TransactionInput input1 = spendingTransaction.getInputs().get(1);
    TransactionSignature signature1 = input1.getScriptSig().getChunks().get(0).getSignature();
    ECKey pubKey1 = input1.getScriptSig().getChunks().get(1).getPubKey();
    Transaction transaction = new Transaction();
    spent0ScriptType.addSpendingInput(transaction, spent0Output, pubKey0, signature0);
    spent1ScriptType.addSpendingInput(transaction, spent1Output, pubKey1, signature1);
    transaction.addOutput(922, Address.fromString("1JVsQ4L4HAcn58Gj5uF16dvgFNdVTarY6i"));
    transaction.addOutput(9984568, Address.fromString("1Q7CEaM3CQ6ejGHgDZNbdTTAkoLcPk63nQ"));
    Assert.assertEquals(spendingTransaction.getLength(), transaction.getLength());
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    transaction.bitcoinSerializeToStream(baos);
    String constructedHex = Utils.bytesToHex(baos.toByteArray());
    Assert.assertEquals(spendingHex, constructedHex);
}

Example 15 with ECKey

use of com.sparrowwallet.drongo.crypto.ECKey in project drongo by sparrowwallet.

the class TransactionTest method verifyP2SHP2WSHSigHashSingle.

@Test
public void verifyP2SHP2WSHSigHashSingle() {
    String hex = "010000000136641869ca081e70f394c6948e8af409e18b619df2ed74aa106c1ca29787b96e0100000000ffffffff0200e9a435000000001976a914389ffce9cd9ae88dcc0631e88a821ffdbe9bfe2688acc0832f05000000001976a9147480a33f950689af511e6e84c138dbbd3c3ee41588ac00000000";
    Transaction transaction = new Transaction(Utils.hexToBytes(hex));
    ECKey pubKey = ECKey.fromPublicOnly(Utils.hexToBytes("034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a"));
    Script script = new Script(Utils.hexToBytes("56210307b8ae49ac90a048e9b53357a2354b3334e9c8bee813ecb98e99a7e07e8c3ba32103b28f0c28bfab54554ae8c658ac5c3e0ce6e79ad336331f78c428dd43eea8449b21034b8113d703413d57761b8b9781957b8c0ac1dfe69f492580ca4195f50376ba4a21033400f6afecb833092a9a21cfdf1ed1376e58c5d1f47de74683123987e967a8f42103a6d48b1131e94ba04d9737d61acdaa1322008af9602b3b14862c07a1789aac162102d8b661b0b3302ee2f162b09e07a55ad5dfbe673a9f01d9f0c19617681024306b56ae"));
    Sha256Hash hash = transaction.hashForWitnessSignature(0, script, 987654321L, SigHash.SINGLE);
    TransactionSignature signature = TransactionSignature.decodeFromBitcoin(Utils.hexToBytes("3044022059ebf56d98010a932cf8ecfec54c48e6139ed6adb0728c09cbe1e4fa0915302e022007cd986c8fa870ff5d2b3a89139c9fe7e499259875357e20fcbb15571c76795403"), true);
    Assert.assertTrue(pubKey.verify(hash, signature));
}