Examples with BlockHeader org.ethereum.core.BlockHeader used on opensource projects

Example 46 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class BlockHeadersMessage method parse.

private void parse() {
    RLPList paramsList = (RLPList) RLP.decode2(encoded).get(0);
    blockHeaders = new ArrayList<>();
    for (int i = 0; i < paramsList.size(); ++i) {
        RLPList rlpData = ((RLPList) paramsList.get(i));
        blockHeaders.add(new BlockHeader(rlpData, true));
    }
    parsed = true;
}

Example 47 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class BlockHeadersMessage method toString.

@Override
public String toString() {
    if (!parsed) {
        parse();
    }
    StringBuilder payload = new StringBuilder();
    payload.append("count( ").append(blockHeaders.size()).append(" )");
    if (logger.isDebugEnabled()) {
        payload.append(" ");
        for (BlockHeader header : blockHeaders) {
            payload.append(Hex.toHexString(header.getHash().getBytes()).substring(0, 6)).append(" ").append(header.getNumber()).append(" | ");
        }
        if (!blockHeaders.isEmpty()) {
            payload.delete(payload.length() - 3, payload.length());
        }
    }
    return "[" + getCommand().name() + " " + payload + "]";
}

Example 48 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class BlockHeadersByHashMessageTest method createMessage.

@Test
public void createMessage() {
    List<BlockHeader> blocks = new ArrayList<>();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block block = blockGenerator.getGenesisBlock();
    for (int k = 1; k <= 4; k++) {
        Block b = blockGenerator.createChildBlock(block);
        blocks.add(b.getHeader());
    }
    BlockHeadersResponseMessage message = new BlockHeadersResponseMessage(1, blocks);
    Assert.assertEquals(1, message.getId());
    List<BlockHeader> mblocks = message.getBlockHeaders();
    Assert.assertEquals(mblocks.size(), blocks.size());
    for (int i = 0; i < blocks.size(); i++) Assert.assertEquals(blocks.get(1).getHash(), mblocks.get(1).getHash());
}

Example 49 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class BlockHeadersMessageTest method getBlockHeaders.

@Test
public void getBlockHeaders() {
    List<BlockHeader> blocks = new ArrayList<>();
    BlockGenerator blockGenerator = new BlockGenerator();
    for (int k = 0; k < 5; k++) {
        Block b = blockGenerator.getBlock(k);
        blocks.add(b.getHeader());
    }
    BlockHeadersMessage message = new BlockHeadersMessage(blocks);
    List<BlockHeader> mblocks = message.getBlockHeaders();
    Assert.assertEquals(mblocks.size(), blocks.size());
    for (int i = 0; i < blocks.size(); i++) {
        Assert.assertEquals(blocks.get(1).getHash(), mblocks.get(1).getHash());
    }
}

Example 50 with BlockHeader

use of org.ethereum.core.BlockHeader in project rskj by rsksmart.

the class FamilyUtilsTest method getUnclesHeaders.

@Test
public void getUnclesHeaders() {
    BlockStore store = createBlockStore();
    BlockGenerator blockGenerator = new BlockGenerator();
    Block genesis = blockGenerator.getGenesisBlock();
    Block block1 = blockGenerator.createChildBlock(genesis);
    Block uncle11 = blockGenerator.createChildBlock(genesis);
    Block uncle111 = blockGenerator.createChildBlock(uncle11);
    Block uncle12 = blockGenerator.createChildBlock(genesis);
    Block uncle121 = blockGenerator.createChildBlock(uncle12);
    Block block2 = blockGenerator.createChildBlock(block1);
    Block uncle21 = blockGenerator.createChildBlock(block1);
    Block uncle22 = blockGenerator.createChildBlock(block1);
    Block block3 = blockGenerator.createChildBlock(block2);
    Block uncle31 = blockGenerator.createChildBlock(block2);
    Block uncle32 = blockGenerator.createChildBlock(block2);
    store.saveBlock(genesis, TEST_DIFFICULTY, true);
    store.saveBlock(block1, TEST_DIFFICULTY, true);
    store.saveBlock(uncle11, TEST_DIFFICULTY, false);
    store.saveBlock(uncle12, TEST_DIFFICULTY, false);
    store.saveBlock(uncle111, TEST_DIFFICULTY, false);
    store.saveBlock(uncle121, TEST_DIFFICULTY, false);
    store.saveBlock(block2, TEST_DIFFICULTY, true);
    store.saveBlock(uncle21, TEST_DIFFICULTY, false);
    store.saveBlock(uncle22, TEST_DIFFICULTY, false);
    store.saveBlock(block3, TEST_DIFFICULTY, true);
    store.saveBlock(uncle31, TEST_DIFFICULTY, false);
    store.saveBlock(uncle32, TEST_DIFFICULTY, false);
    List<BlockHeader> list = FamilyUtils.getUnclesHeaders(store, block3, 3);
    Assert.assertNotNull(list);
    Assert.assertFalse(list.isEmpty());
    Assert.assertEquals(4, list.size());
    Assert.assertTrue(containsHash(uncle11.getHash(), list));
    Assert.assertTrue(containsHash(uncle12.getHash(), list));
    Assert.assertTrue(containsHash(uncle21.getHash(), list));
    Assert.assertTrue(containsHash(uncle22.getHash(), list));
}