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

Example 16 with BtcBlock

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

the class RepositoryBtcBlockStoreWithCache method checkIfInitialized.

private void checkIfInitialized() {
    if (getChainHead() == null) {
        BtcBlock genesisHeader = this.btcNetworkParams.getGenesisBlock().cloneAsHeader();
        StoredBlock storedGenesis = new StoredBlock(genesisHeader, genesisHeader.getWork(), 0);
        put(storedGenesis);
        setChainHead(storedGenesis);
    }
}

Example 17 with BtcBlock

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

the class BlockValidatorTest method blockInTheFuture.

@Test
public void blockInTheFuture() {
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    byte[] bitcoinMergedMiningHeader = new byte[0];
    int validPeriod = 6000;
    // some random timestamp (taken from Sys.currentTimeMills())
    long baseTimeStamp = 1627932722L;
    BlockHeader header = mock(BlockHeader.class);
    when(header.getBitcoinMergedMiningHeader()).thenReturn(bitcoinMergedMiningHeader);
    when(header.getTimestamp()).thenReturn(baseTimeStamp + 2 * validPeriod);
    when(header.getParentHash()).thenReturn(genesis.getHash());
    Block block = mock(Block.class);
    when(block.getHeader()).thenReturn(header);
    BtcBlock btcBlock = mock(BtcBlock.class);
    // a close enough block
    when(btcBlock.getTimeSeconds()).thenReturn(baseTimeStamp + validPeriod - 100);
    MessageSerializer messageSerializer = mock(BitcoinSerializer.class);
    when(messageSerializer.makeBlock(bitcoinMergedMiningHeader)).thenReturn(btcBlock);
    NetworkParameters bitcoinNetworkParameters = mock(NetworkParameters.class);
    when(bitcoinNetworkParameters.getDefaultSerializer()).thenReturn(messageSerializer);
    // Before Iris
    blockTimeStampValidation(validPeriod, baseTimeStamp, header, block, bitcoinNetworkParameters, false);
    // After Iris
    blockTimeStampValidation(validPeriod, baseTimeStamp, header, block, bitcoinNetworkParameters, true);
}

Example 18 with BtcBlock

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

the class MnrModuleImpl method submitBitcoinBlockTransactions.

@Override
public SubmittedBlockInfo submitBitcoinBlockTransactions(String blockHashHex, String blockHeaderHex, String coinbaseHex, String txnHashesHex) {
    logger.debug("submitBitcoinBlockTransactions(): {}, {}, {}, {}", blockHashHex, blockHeaderHex, coinbaseHex, txnHashesHex);
    NetworkParameters params = RegTestParams.get();
    new Context(params);
    BtcBlock bitcoinBlockWithHeaderOnly = getBtcBlock(blockHeaderHex, params);
    BtcTransaction coinbase = new BtcTransaction(params, Hex.decode(coinbaseHex));
    String blockHashForMergedMining = extractBlockHashForMergedMining(coinbase);
    List<String> txnHashes = parseHashes(txnHashesHex);
    SubmitBlockResult result = minerServer.submitBitcoinBlockTransactions(blockHashForMergedMining, bitcoinBlockWithHeaderOnly, coinbase, txnHashes);
    return parseResultAndReturn(result);
}

Example 19 with BtcBlock

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

the class BlockTimeStampValidationRule method isBitcoinTimestampValid.

private boolean isBitcoinTimestampValid(BlockHeader header) {
    if (!activationConfig.isActive(ConsensusRule.RSKIP179, header.getNumber())) {
        return true;
    }
    byte[] bitcoinMergedMiningHeader = header.getBitcoinMergedMiningHeader();
    if (bitcoinMergedMiningHeader == null) {
        return false;
    }
    BtcBlock btcBlock = makeBlock(bitcoinMergedMiningHeader);
    if (btcBlock == null) {
        return false;
    }
    long bitcoinTimestampInSecs = btcBlock.getTimeSeconds();
    long rskTimestampInSecs = header.getTimestamp();
    boolean valid = Math.abs(bitcoinTimestampInSecs - rskTimestampInSecs) < MAX_TIMESTAMPS_DIFF_IN_SECS;
    if (!valid) {
        logger.warn("Error validating block. RSK block timestamp {} and BTC block timestamp {} differ by more than {} secs.", rskTimestampInSecs, bitcoinTimestampInSecs, MAX_TIMESTAMPS_DIFF_IN_SECS);
    }
    return valid;
}

Example 20 with BtcBlock

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

the class BlockTimeStampValidationRuleTest method timestampsAreCloseEnough.

@Test
public void timestampsAreCloseEnough() {
    int validPeriod = 540;
    BlockTimeStampValidationRule validationRule = new BlockTimeStampValidationRule(validPeriod, postRskip179Config, timeProvider, bitcoinNetworkParameters);
    byte[] bitcoinMergedMiningHeader = new byte[0];
    when(timeProvider.currentTimeMillis()).thenReturn(10_000_000L);
    BlockHeader header = mock(BlockHeader.class);
    Block block = mock(Block.class);
    when(block.getHeader()).thenReturn(header);
    when(header.getBitcoinMergedMiningHeader()).thenReturn(bitcoinMergedMiningHeader);
    BtcBlock btcBlock = mock(BtcBlock.class);
    MessageSerializer messageSerializer = mock(MessageSerializer.class);
    when(messageSerializer.makeBlock(eq(bitcoinMergedMiningHeader))).thenReturn(btcBlock);
    when(bitcoinNetworkParameters.getDefaultSerializer()).thenReturn(messageSerializer);
    when(btcBlock.getTimeSeconds()).thenReturn(1_000L);
    when(header.getTimestamp()).thenReturn(1_000L);
    assertTrue(validationRule.isValid(header));
    when(btcBlock.getTimeSeconds()).thenReturn(1_000L + MAX_TIMESTAMPS_DIFF_IN_SECS);
    when(header.getTimestamp()).thenReturn(1_000L);
    assertFalse(validationRule.isValid(header));
    when(btcBlock.getTimeSeconds()).thenReturn(1_000L + MAX_TIMESTAMPS_DIFF_IN_SECS);
    when(header.getTimestamp()).thenReturn(1_001L);
    assertTrue(validationRule.isValid(header));
    when(btcBlock.getTimeSeconds()).thenReturn(1_001L);
    when(header.getTimestamp()).thenReturn(1_000L + MAX_TIMESTAMPS_DIFF_IN_SECS);
    assertTrue(validationRule.isValid(header));
}