Examples with RLPElement org.ethereum.util.RLPElement used on opensource projects

Example 11 with RLPElement

use of org.ethereum.util.RLPElement in project rskj by rsksmart.

the class RLPTest method encodeDecodeLongByteArrayWithThreeBytesLengthUsingEncode.

@Test
public void encodeDecodeLongByteArrayWithThreeBytesLengthUsingEncode() {
    byte[] bytes = new byte[256 * 256];
    byte[] encoded = RLP.encode(bytes);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(4 + 256 * 256, encoded.length);
    Assert.assertEquals((byte) (183 + 3), encoded[0]);
    Assert.assertEquals((byte) 0x01, encoded[1]);
    Assert.assertEquals((byte) 0x00, encoded[2]);
    Assert.assertEquals((byte) 0x00, encoded[3]);
    RLPElement element = RLP.decode2OneItem(encoded, 0);
    Assert.assertNotNull(element);
    byte[] decoded = element.getRLPData();
    Assert.assertNotNull(decoded);
    Assert.assertArrayEquals(bytes, decoded);
}

Example 12 with RLPElement

use of org.ethereum.util.RLPElement in project rskj by rsksmart.

the class RLPTest method encodeDecodeShortListWithTwoByteArraysWithTwoBytesLengthBorderCase.

@Test
public void encodeDecodeShortListWithTwoByteArraysWithTwoBytesLengthBorderCase() {
    byte[] value1 = new byte[128 * 256 - 3 - 1];
    byte[] value2 = new byte[128 * 256 - 3];
    byte[] element1 = RLP.encodeElement(value1);
    byte[] element2 = RLP.encodeElement(value2);
    byte[] encoded = RLP.encodeList(element1, element2);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(1 + 2 + 3 + (128 * 256 - 3 - 1) + 3 + (128 * 256 - 3), encoded.length);
    Assert.assertEquals((byte) (247 + 2), encoded[0]);
    Assert.assertEquals((byte) (255), encoded[1]);
    Assert.assertEquals((byte) (255), encoded[2]);
    ArrayList<RLPElement> list = RLP.decode2(encoded);
    Assert.assertNotNull(list);
    Assert.assertEquals(1, list.size());
    RLPList list2 = (RLPList) list.get(0);
    Assert.assertNotNull(list2);
    Assert.assertEquals(2, list2.size());
    Assert.assertArrayEquals(value1, list2.get(0).getRLPData());
    Assert.assertArrayEquals(value2, list2.get(1).getRLPData());
}

Example 13 with RLPElement

use of org.ethereum.util.RLPElement in project rskj by rsksmart.

the class RLPTest method encodeDecodeShortListWithTwoByteArraysWithElementsLength56.

@Test
public void encodeDecodeShortListWithTwoByteArraysWithElementsLength56() {
    byte[] value1 = new byte[26];
    byte[] value2 = new byte[28];
    byte[] element1 = RLP.encodeElement(value1);
    byte[] element2 = RLP.encodeElement(value2);
    byte[] encoded = RLP.encodeList(element1, element2);
    Assert.assertNotNull(encoded);
    Assert.assertEquals(1 + 1 + 1 + 26 + 1 + 28, encoded.length);
    Assert.assertEquals((byte) (247 + 1), encoded[0]);
    Assert.assertEquals((byte) (56), encoded[1]);
    ArrayList<RLPElement> list = RLP.decode2(encoded);
    Assert.assertNotNull(list);
    Assert.assertEquals(1, list.size());
    RLPList list2 = (RLPList) list.get(0);
    Assert.assertNotNull(list2);
    Assert.assertEquals(2, list2.size());
    Assert.assertArrayEquals(value1, list2.get(0).getRLPData());
    Assert.assertArrayEquals(value2, list2.get(1).getRLPData());
}

Example 14 with RLPElement

use of org.ethereum.util.RLPElement in project rskj by rsksmart.

the class Sibling method create.

public static Sibling create(byte[] data) {
    ArrayList<RLPElement> params = RLP.decode2(data);
    RLPList sibling = (RLPList) params.get(0);
    byte[] hash = sibling.get(0).getRLPData();
    RskAddress coinbase = RLP.parseRskAddress(sibling.get(1).getRLPData());
    RskAddress includedBlockCoinbase = RLP.parseRskAddress(sibling.get(2).getRLPData());
    Coin paidFees = RLP.parseCoin(sibling.get(3).getRLPData());
    byte[] bytesIncludedHeight = sibling.get(4).getRLPData();
    RLPElement uncleCountElement = sibling.get(5);
    byte[] bytesUncleCount = uncleCountElement != null ? uncleCountElement.getRLPData() : null;
    long includedHeight = bytesIncludedHeight == null ? 0 : BigIntegers.fromUnsignedByteArray(bytesIncludedHeight).longValue();
    int uncleCount = bytesUncleCount == null ? 0 : BigIntegers.fromUnsignedByteArray(bytesUncleCount).intValue();
    return new Sibling(hash, coinbase, includedBlockCoinbase, paidFees, includedHeight, uncleCount);
}

Example 15 with RLPElement

use of org.ethereum.util.RLPElement in project rskj by rsksmart.

the class Block method parseRLP.

private void parseRLP() {
    ArrayList<RLPElement> params = RLP.decode2(rlpEncoded);
    RLPList block = (RLPList) params.get(0);
    // Parse Header
    RLPList header = (RLPList) block.get(0);
    this.header = new BlockHeader(header, this.sealed);
    // Parse Transactions
    RLPList txTransactions = (RLPList) block.get(1);
    this.transactionsList = parseTxs(txTransactions);
    byte[] calculatedRoot = getTxTrie(this.transactionsList).getHash().getBytes();
    this.checkExpectedRoot(this.header.getTxTrieRoot(), calculatedRoot);
    // Parse Uncles
    RLPList uncleBlocks = (RLPList) block.get(2);
    for (RLPElement rawUncle : uncleBlocks) {
        RLPList uncleHeader = (RLPList) rawUncle;
        BlockHeader blockData = new BlockHeader(uncleHeader, this.sealed);
        this.uncleList.add(blockData);
    }
    this.parsed = true;
}