mirror of https://github.com/hyperledger/besu
♻️ Refactor EthProtocol to externalise EthVersion into its own class (#4640)
Signed-off-by: Gabriel Trintinalia <gabriel.trintinalia@consensys.net> Signed-off-by: Gabriel Trintinalia <gabriel.trintinalia@consensys.net> Co-authored-by: Gabriel Trintinalia <gabriel.trintinalia@consensys.net>pull/4642/head
Gabriel-Trintinalia
2 years ago
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/* |
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* Copyright contributors to Hyperledger Besu |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on |
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* an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the |
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* specific language governing permissions and limitations under the License. |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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package org.hyperledger.besu.ethereum.eth; |
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import org.hyperledger.besu.ethereum.eth.messages.EthPV62; |
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import org.hyperledger.besu.ethereum.eth.messages.EthPV63; |
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import org.hyperledger.besu.ethereum.eth.messages.EthPV65; |
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import java.util.Collections; |
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import java.util.List; |
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/** |
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* Eth protocol messages as defined in <a |
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* href="https://github.com/ethereum/devp2p/blob/master/caps/eth.md">Ethereum Wire Protocol |
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* (ETH)</a>} |
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*/ |
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public class EthProtocolVersion { |
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public static final int V62 = 62; |
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public static final int V63 = 63; |
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public static final int V64 = 64; |
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public static final int V65 = 65; |
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public static final int V66 = 66; |
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/** eth/62 (2015) */ |
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private static final List<Integer> eth62Messages = |
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List.of( |
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EthPV62.STATUS, |
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EthPV62.NEW_BLOCK_HASHES, |
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EthPV62.TRANSACTIONS, |
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EthPV62.GET_BLOCK_HEADERS, |
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EthPV62.BLOCK_HEADERS, |
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EthPV62.GET_BLOCK_BODIES, |
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EthPV62.BLOCK_BODIES, |
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EthPV62.NEW_BLOCK); |
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/** |
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* eth/63 (2016) |
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* |
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* <p>Version 63 added the GetNodeData, NodeData, GetReceipts and Receipts messages which allow |
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* synchronizing transaction execution results. |
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*/ |
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private static final List<Integer> eth63Messages = |
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List.of( |
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EthPV62.STATUS, |
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EthPV62.NEW_BLOCK_HASHES, |
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EthPV62.TRANSACTIONS, |
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EthPV62.GET_BLOCK_HEADERS, |
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EthPV62.BLOCK_HEADERS, |
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EthPV62.GET_BLOCK_BODIES, |
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EthPV62.BLOCK_BODIES, |
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EthPV62.NEW_BLOCK, |
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EthPV63.GET_NODE_DATA, |
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EthPV63.NODE_DATA, |
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EthPV63.GET_RECEIPTS, |
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EthPV63.RECEIPTS); |
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/** |
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* eth/65 (EIP-2464, January 2020) |
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* |
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* <p>Version 65 improved transaction exchange, introducing three additional messages: |
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* NewPooledTransactionHashes, GetPooledTransactions, and PooledTransactions. |
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*/ |
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private static final List<Integer> eth65Messages = |
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List.of( |
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EthPV62.STATUS, |
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EthPV62.NEW_BLOCK_HASHES, |
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EthPV62.TRANSACTIONS, |
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EthPV62.GET_BLOCK_HEADERS, |
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EthPV62.BLOCK_HEADERS, |
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EthPV62.GET_BLOCK_BODIES, |
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EthPV62.BLOCK_BODIES, |
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EthPV62.NEW_BLOCK, |
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EthPV63.GET_NODE_DATA, |
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EthPV63.NODE_DATA, |
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EthPV63.GET_RECEIPTS, |
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EthPV63.RECEIPTS, |
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EthPV65.NEW_POOLED_TRANSACTION_HASHES, |
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EthPV65.GET_POOLED_TRANSACTIONS, |
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EthPV65.POOLED_TRANSACTIONS); |
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/** |
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* Returns a list of integers containing the supported messages given the protocol version |
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* |
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* @param protocolVersion the protocol version |
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* @return a list containing the codes of supported messages |
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*/ |
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public static List<Integer> getSupportedMessages(final int protocolVersion) { |
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switch (protocolVersion) { |
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case EthProtocolVersion.V62: |
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return eth62Messages; |
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case EthProtocolVersion.V63: |
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case EthProtocolVersion.V64: |
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return eth63Messages; |
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case EthProtocolVersion.V65: |
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case EthProtocolVersion.V66: |
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return eth65Messages; |
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default: |
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return Collections.emptyList(); |
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} |
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} |
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} |
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