| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE |
| * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file |
| * to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the |
| * License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on |
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations under the License. |
| */ |
| package org.apache.tuweni.eth; |
| |
| import static java.util.Objects.requireNonNull; |
| |
| import org.apache.tuweni.bytes.Bytes; |
| import org.apache.tuweni.rlp.RLP; |
| import org.apache.tuweni.rlp.RLPException; |
| import org.apache.tuweni.rlp.RLPReader; |
| import org.apache.tuweni.rlp.RLPWriter; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import com.google.common.base.Objects; |
| |
| /** |
| * An Ethereum block body. |
| */ |
| public final class BlockBody { |
| |
| /** |
| * Deserialize a block body from RLP encoded bytes. |
| * |
| * @param encoded The RLP encoded block. |
| * @return The deserialized block body. |
| * @throws RLPException If there is an error decoding the block body. |
| */ |
| public static BlockBody fromBytes(Bytes encoded) { |
| requireNonNull(encoded); |
| return RLP.decodeList(encoded, BlockBody::readFrom); |
| } |
| |
| public static BlockBody readFrom(RLPReader reader) { |
| List<Transaction> txs = new ArrayList<>(); |
| reader.readList((listReader, l) -> { |
| while (!listReader.isComplete()) { |
| txs.add(listReader.readList(Transaction::readFrom)); |
| } |
| }); |
| List<BlockHeader> ommers = new ArrayList<>(); |
| reader.readList((listReader, l) -> { |
| while (!listReader.isComplete()) { |
| ommers.add(listReader.readList(BlockHeader::readFrom)); |
| } |
| }); |
| |
| return new BlockBody(txs, ommers); |
| } |
| |
| private final List<Transaction> transactions; |
| private final List<BlockHeader> ommers; |
| |
| /** |
| * Creates a new block body. |
| * |
| * @param transactions the list of transactions in this block. |
| * @param ommers the list of ommers for this block. |
| */ |
| public BlockBody(List<Transaction> transactions, List<BlockHeader> ommers) { |
| requireNonNull(transactions); |
| requireNonNull(ommers); |
| this.transactions = transactions; |
| this.ommers = ommers; |
| } |
| |
| /** |
| * @return the transactions of the block. |
| */ |
| public List<Transaction> getTransactions() { |
| return transactions; |
| } |
| |
| /** |
| * @return the list of ommers for this block. |
| */ |
| public List<BlockHeader> getOmmers() { |
| return ommers; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (!(obj instanceof BlockBody)) { |
| return false; |
| } |
| BlockBody other = (BlockBody) obj; |
| return transactions.equals(other.transactions) && ommers.equals(other.ommers); |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(transactions, ommers); |
| } |
| |
| /** |
| * @return The RLP serialized form of this block body. |
| */ |
| public Bytes toBytes() { |
| return RLP.encodeList(this::writeTo); |
| } |
| |
| @Override |
| public String toString() { |
| return "BlockBody{" + "transactions=" + transactions + ", ommers=" + ommers + '}'; |
| } |
| |
| public void writeTo(RLPWriter writer) { |
| writer.writeList(listWriter -> { |
| for (Transaction tx : transactions) { |
| listWriter.writeList(tx::writeTo); |
| } |
| }); |
| writer.writeList(listWriter -> { |
| for (BlockHeader ommer : ommers) { |
| listWriter.writeList(ommer::writeTo); |
| } |
| }); |
| } |
| } |