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[4844] Add encodingContext to TransactionEncoder and TransactionDecod…
…er (hyperledger#5820) * Add decode type to TransactionDecoder * Refactoring TransactionDecoder * Invert methods order * Use Transaction encoder instead of writeTo * Move enter and leave list to inner method as pr suggestion * Size calculation should use opaque bytes instead of rlp --------- Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net> Co-authored-by: Sally MacFarlane <macfarla.github@gmail.com>
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74
...c/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionDecoder.java
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| /* | ||
| * Copyright Hyperledger Besu Contributors. | ||
| * | ||
| * Licensed 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. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.hyperledger.besu.ethereum.core.encoding; | ||
|
|
||
| import org.hyperledger.besu.crypto.SignatureAlgorithm; | ||
| import org.hyperledger.besu.crypto.SignatureAlgorithmFactory; | ||
| import org.hyperledger.besu.datatypes.AccessListEntry; | ||
| import org.hyperledger.besu.datatypes.Address; | ||
| import org.hyperledger.besu.datatypes.TransactionType; | ||
| import org.hyperledger.besu.datatypes.Wei; | ||
| import org.hyperledger.besu.ethereum.core.Transaction; | ||
| import org.hyperledger.besu.ethereum.rlp.RLPInput; | ||
|
|
||
| import java.math.BigInteger; | ||
| import java.util.function.Supplier; | ||
|
|
||
| import com.google.common.base.Suppliers; | ||
|
|
||
| class AccessListTransactionDecoder { | ||
| private static final Supplier<SignatureAlgorithm> SIGNATURE_ALGORITHM = | ||
| Suppliers.memoize(SignatureAlgorithmFactory::getInstance); | ||
|
|
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| public static Transaction decode(final RLPInput rlpInput) { | ||
| rlpInput.enterList(); | ||
| final Transaction.Builder preSignatureTransactionBuilder = | ||
| Transaction.builder() | ||
| .type(TransactionType.ACCESS_LIST) | ||
| .chainId(BigInteger.valueOf(rlpInput.readLongScalar())) | ||
| .nonce(rlpInput.readLongScalar()) | ||
| .gasPrice(Wei.of(rlpInput.readUInt256Scalar())) | ||
| .gasLimit(rlpInput.readLongScalar()) | ||
| .to( | ||
| rlpInput.readBytes( | ||
| addressBytes -> addressBytes.size() == 0 ? null : Address.wrap(addressBytes))) | ||
| .value(Wei.of(rlpInput.readUInt256Scalar())) | ||
| .payload(rlpInput.readBytes()) | ||
| .accessList( | ||
| rlpInput.readList( | ||
| accessListEntryRLPInput -> { | ||
| accessListEntryRLPInput.enterList(); | ||
| final AccessListEntry accessListEntry = | ||
| new AccessListEntry( | ||
| Address.wrap(accessListEntryRLPInput.readBytes()), | ||
| accessListEntryRLPInput.readList(RLPInput::readBytes32)); | ||
| accessListEntryRLPInput.leaveList(); | ||
| return accessListEntry; | ||
| })); | ||
| final byte recId = (byte) rlpInput.readIntScalar(); | ||
| final Transaction transaction = | ||
| preSignatureTransactionBuilder | ||
| .signature( | ||
| SIGNATURE_ALGORITHM | ||
| .get() | ||
| .createSignature( | ||
| rlpInput.readUInt256Scalar().toUnsignedBigInteger(), | ||
| rlpInput.readUInt256Scalar().toUnsignedBigInteger(), | ||
| recId)) | ||
| .build(); | ||
| rlpInput.leaveList(); | ||
| return transaction; | ||
| } | ||
| } |
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