From c4048237db2dd0ee1533c7da60575bf6d263c393 Mon Sep 17 00:00:00 2001 From: Gabriel-Trintinalia Date: Wed, 13 Sep 2023 15:34:04 +1000 Subject: [PATCH] [4844] Add encodingContext to TransactionEncoder and TransactionDecoder (#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 Co-authored-by: Sally MacFarlane --- .../engine/AbstractEngineNewPayload.java | 3 +- .../internal/results/BlockResultFactory.java | 13 +- .../EngineGetPayloadBodiesResultV1.java | 5 +- .../results/TransactionPendingResult.java | 5 +- .../api/util/DomainObjectDecodeUtils.java | 3 +- .../engine/EngineNewPayloadV3Test.java | 55 ++++ .../api/util/DomainObjectDecodeUtilsTest.java | 6 +- .../besu/ethereum/core/Transaction.java | 21 +- .../AccessListTransactionDecoder.java | 74 +++++ .../AccessListTransactionEncoder.java | 109 +++++++ .../BlobPooledTransactionDecoder.java | 50 ++++ .../BlobPooledTransactionEncoder.java | 47 ++++ .../core/encoding/BlobTransactionDecoder.java | 47 ++-- .../core/encoding/BlobTransactionEncoder.java | 35 +-- .../encoding/EIP1559TransactionDecoder.java | 74 +++++ .../encoding/EIP1559TransactionEncoder.java | 41 +++ .../core/encoding/EncodingContext.java | 41 +++ .../encoding/FrontierTransactionDecoder.java | 76 +++++ .../encoding/FrontierTransactionEncoder.java | 36 +++ .../core/encoding/TransactionDecoder.java | 265 ++++++++---------- .../core/encoding/TransactionEncoder.java | 206 +++++--------- .../besu/ethereum/mainnet/BodyValidation.java | 7 +- .../encoding/BlobTransactionEncodingTest.java | 41 +-- .../encoding/TransactionRLPDecoderTest.java | 27 +- .../encoding/TransactionRLPEncoderTest.java | 24 +- .../besu/ethereum/core/encoding/blob2.txt | 1 + .../besu/ethereum/eth/manager/EthServer.java | 5 +- .../messages/PooledTransactionsMessage.java | 14 +- 28 files changed, 920 insertions(+), 411 deletions(-) create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionDecoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionEncoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionDecoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionEncoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionDecoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionEncoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EncodingContext.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionDecoder.java create mode 100644 ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionEncoder.java create mode 100644 ethereum/core/src/test/resources/org/hyperledger/besu/ethereum/core/encoding/blob2.txt diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java index b7b42d696ca..7b5d6f852ad 100644 --- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java +++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/AbstractEngineNewPayload.java @@ -50,6 +50,7 @@ import org.hyperledger.besu.ethereum.core.Difficulty; import org.hyperledger.besu.ethereum.core.Transaction; import org.hyperledger.besu.ethereum.core.Withdrawal; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionDecoder; import org.hyperledger.besu.ethereum.eth.manager.EthPeers; import org.hyperledger.besu.ethereum.mainnet.BodyValidation; @@ -170,7 +171,7 @@ public JsonRpcResponse syncResponse(final JsonRpcRequestContext requestContext) transactions = blockParam.getTransactions().stream() .map(Bytes::fromHexString) - .map(TransactionDecoder::decodeOpaqueBytes) + .map(in -> TransactionDecoder.decodeOpaqueBytes(in, EncodingContext.BLOCK_BODY)) .collect(Collectors.toList()); } catch (final RLPException | IllegalArgumentException e) { return respondWithInvalid( diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/BlockResultFactory.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/BlockResultFactory.java index 2d52c31b093..9ec3acd7f76 100644 --- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/BlockResultFactory.java +++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/BlockResultFactory.java @@ -24,6 +24,7 @@ import org.hyperledger.besu.ethereum.core.BlockHeader; import org.hyperledger.besu.ethereum.core.BlockValueCalculator; import org.hyperledger.besu.ethereum.core.BlockWithReceipts; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import java.util.ArrayList; @@ -95,7 +96,9 @@ public BlockResult transactionComplete(final Block block) { public EngineGetPayloadResultV1 payloadTransactionCompleteV1(final Block block) { final List txs = block.getBody().getTransactions().stream() - .map(TransactionEncoder::encodeOpaqueBytes) + .map( + transaction -> + TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.BLOCK_BODY)) .map(Bytes::toHexString) .collect(Collectors.toList()); @@ -106,7 +109,9 @@ public EngineGetPayloadResultV2 payloadTransactionCompleteV2( final BlockWithReceipts blockWithReceipts) { final List txs = blockWithReceipts.getBlock().getBody().getTransactions().stream() - .map(TransactionEncoder::encodeOpaqueBytes) + .map( + transaction -> + TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.BLOCK_BODY)) .map(Bytes::toHexString) .collect(Collectors.toList()); @@ -132,7 +137,9 @@ public EngineGetPayloadResultV3 payloadTransactionCompleteV3( final BlockWithReceipts blockWithReceipts) { final List txs = blockWithReceipts.getBlock().getBody().getTransactions().stream() - .map(TransactionEncoder::encodeOpaqueBytes) + .map( + transaction -> + TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.BLOCK_BODY)) .map(Bytes::toHexString) .collect(Collectors.toList()); diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/EngineGetPayloadBodiesResultV1.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/EngineGetPayloadBodiesResultV1.java index 4358230ee09..f4e9a12e27d 100644 --- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/EngineGetPayloadBodiesResultV1.java +++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/EngineGetPayloadBodiesResultV1.java @@ -16,6 +16,7 @@ import org.hyperledger.besu.ethereum.api.jsonrpc.internal.parameters.WithdrawalParameter; import org.hyperledger.besu.ethereum.core.BlockBody; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import java.util.Collections; @@ -52,7 +53,9 @@ public static class PayloadBody { public PayloadBody(final BlockBody blockBody) { this.transactions = blockBody.getTransactions().stream() - .map(TransactionEncoder::encodeOpaqueBytes) + .map( + transaction -> + TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.BLOCK_BODY)) .map(Bytes::toHexString) .collect(Collectors.toList()); this.withdrawals = diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/TransactionPendingResult.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/TransactionPendingResult.java index a8a4603d5c2..04ac00580ce 100644 --- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/TransactionPendingResult.java +++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/results/TransactionPendingResult.java @@ -20,6 +20,7 @@ import org.hyperledger.besu.datatypes.VersionedHash; import org.hyperledger.besu.datatypes.Wei; import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import java.util.List; @@ -99,7 +100,9 @@ public TransactionPendingResult(final Transaction transaction) { this.input = transaction.getPayload().toString(); this.nonce = Quantity.create(transaction.getNonce()); this.publicKey = transaction.getPublicKey().orElse(null); - this.raw = TransactionEncoder.encodeOpaqueBytes(transaction).toString(); + this.raw = + TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.POOLED_TRANSACTION) + .toString(); this.to = transaction.getTo().map(Address::toHexString).orElse(null); this.type = transactionType.equals(TransactionType.FRONTIER) diff --git a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtils.java b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtils.java index 8c4c0d453e0..7ea2de0c016 100644 --- a/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtils.java +++ b/ethereum/api/src/main/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtils.java @@ -16,6 +16,7 @@ import org.hyperledger.besu.ethereum.api.jsonrpc.internal.exception.InvalidJsonRpcRequestException; import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionDecoder; import org.hyperledger.besu.ethereum.rlp.RLPException; @@ -27,7 +28,7 @@ public static Transaction decodeRawTransaction(final String rawTransaction) throws InvalidJsonRpcRequestException { try { Bytes txnBytes = Bytes.fromHexString(rawTransaction); - return TransactionDecoder.decodeOpaqueBytes(txnBytes); + return TransactionDecoder.decodeOpaqueBytes(txnBytes, EncodingContext.POOLED_TRANSACTION); } catch (final IllegalArgumentException e) { throw new InvalidJsonRpcRequestException("Invalid raw transaction hex", e); } catch (final RLPException r) { diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java index 56cecbfb7db..d1984a5795e 100644 --- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java +++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/jsonrpc/internal/methods/engine/EngineNewPayloadV3Test.java @@ -23,7 +23,13 @@ import static org.mockito.Mockito.verify; import static org.mockito.Mockito.when; +import org.hyperledger.besu.crypto.KeyPair; +import org.hyperledger.besu.crypto.SignatureAlgorithm; +import org.hyperledger.besu.crypto.SignatureAlgorithmFactory; +import org.hyperledger.besu.datatypes.Address; import org.hyperledger.besu.datatypes.BlobGas; +import org.hyperledger.besu.datatypes.BlobsWithCommitments; +import org.hyperledger.besu.datatypes.TransactionType; import org.hyperledger.besu.datatypes.Wei; import org.hyperledger.besu.ethereum.BlockProcessingOutputs; import org.hyperledger.besu.ethereum.BlockProcessingResult; @@ -35,18 +41,26 @@ import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.JsonRpcResponse; import org.hyperledger.besu.ethereum.api.jsonrpc.internal.response.RpcErrorType; import org.hyperledger.besu.ethereum.api.jsonrpc.internal.results.EnginePayloadStatusResult; +import org.hyperledger.besu.ethereum.core.BlobTestFixture; import org.hyperledger.besu.ethereum.core.BlockHeader; import org.hyperledger.besu.ethereum.core.BlockHeaderTestFixture; import org.hyperledger.besu.ethereum.core.Deposit; +import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.core.TransactionTestFixture; import org.hyperledger.besu.ethereum.core.Withdrawal; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; +import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import org.hyperledger.besu.ethereum.mainnet.BodyValidation; import org.hyperledger.besu.ethereum.mainnet.ValidationResult; import org.hyperledger.besu.evm.gascalculator.CancunGasCalculator; +import java.math.BigInteger; import java.util.Collections; import java.util.List; import java.util.Optional; +import java.util.function.Supplier; +import com.google.common.base.Suppliers; import org.apache.tuweni.bytes.Bytes; import org.apache.tuweni.bytes.Bytes32; import org.junit.jupiter.api.BeforeEach; @@ -56,6 +70,9 @@ @ExtendWith(MockitoExtension.class) public class EngineNewPayloadV3Test extends EngineNewPayloadV2Test { + private static final Supplier SIGNATURE_ALGORITHM = + Suppliers.memoize(SignatureAlgorithmFactory::getInstance); + protected static final KeyPair senderKeys = SIGNATURE_ALGORITHM.get().generateKeyPair(); public EngineNewPayloadV3Test() {} @@ -194,4 +211,42 @@ public void shouldValidateExcessBlobGasCorrectly() { assertThat(jsonRpcError.getData()).isEqualTo("Missing blob gas fields"); verify(engineCallListener, times(1)).executionEngineCalled(); } + + @Test + public void shouldRejectTransactionsWithFullBlobs() { + + Bytes transactionWithBlobsBytes = + TransactionEncoder.encodeOpaqueBytes( + createTransactionWithBlobs(), EncodingContext.POOLED_TRANSACTION); + + List transactions = List.of(transactionWithBlobsBytes.toString()); + + BlockHeader mockHeader = + setupValidPayload( + new BlockProcessingResult(Optional.of(new BlockProcessingOutputs(null, List.of()))), + Optional.empty(), + Optional.empty()); + var resp = resp(mockEnginePayload(mockHeader, transactions)); + + EnginePayloadStatusResult res = fromSuccessResp(resp); + assertThat(res.getStatusAsString()).isEqualTo(INVALID.name()); + assertThat(res.getError()).isEqualTo("Failed to decode transactions from block parameter"); + verify(engineCallListener, times(1)).executionEngineCalled(); + } + + private Transaction createTransactionWithBlobs() { + BlobTestFixture blobTestFixture = new BlobTestFixture(); + BlobsWithCommitments bwc = blobTestFixture.createBlobsWithCommitments(1); + + return new TransactionTestFixture() + .to(Optional.of(Address.fromHexString("0xDEADBEEFDEADBEEFDEADBEEFDEADBEEFDEADBEEF"))) + .type(TransactionType.BLOB) + .chainId(Optional.of(BigInteger.ONE)) + .maxFeePerGas(Optional.of(Wei.of(15))) + .maxFeePerBlobGas(Optional.of(Wei.of(128))) + .maxPriorityFeePerGas(Optional.of(Wei.of(1))) + .blobsWithCommitments(Optional.of(bwc)) + .versionedHashes(Optional.of(bwc.getVersionedHashes())) + .createTransaction(senderKeys); + } } diff --git a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtilsTest.java b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtilsTest.java index 64587a1516d..763182da5c5 100644 --- a/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtilsTest.java +++ b/ethereum/api/src/test/java/org/hyperledger/besu/ethereum/api/util/DomainObjectDecodeUtilsTest.java @@ -23,6 +23,7 @@ import org.hyperledger.besu.datatypes.Wei; import org.hyperledger.besu.ethereum.core.BlockDataGenerator; import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import org.hyperledger.besu.ethereum.rlp.BytesValueRLPOutput; @@ -59,7 +60,7 @@ public class DomainObjectDecodeUtilsTest { @Test public void testAccessListRLPSerDes() { final BytesValueRLPOutput encoded = new BytesValueRLPOutput(); - TransactionEncoder.encodeForWire(accessListTxn, encoded); + TransactionEncoder.encodeRLP(accessListTxn, encoded, EncodingContext.POOLED_TRANSACTION); Transaction decoded = DomainObjectDecodeUtils.decodeRawTransaction(encoded.encoded().toHexString()); Assertions.assertThat(decoded.getAccessList().isPresent()).isTrue(); @@ -68,7 +69,8 @@ public void testAccessListRLPSerDes() { @Test public void testAccessList2718OpaqueSerDes() { - final Bytes encoded = TransactionEncoder.encodeOpaqueBytes(accessListTxn); + final Bytes encoded = + TransactionEncoder.encodeOpaqueBytes(accessListTxn, EncodingContext.POOLED_TRANSACTION); Transaction decoded = DomainObjectDecodeUtils.decodeRawTransaction(encoded.toString()); Assertions.assertThat(decoded.getAccessList().isPresent()).isTrue(); Assertions.assertThat(decoded.getAccessList().map(List::size).get()).isEqualTo(1); diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/Transaction.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/Transaction.java index 827c9241b5e..a7cad4b8d85 100644 --- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/Transaction.java +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/Transaction.java @@ -35,7 +35,9 @@ import org.hyperledger.besu.datatypes.TransactionType; import org.hyperledger.besu.datatypes.VersionedHash; import org.hyperledger.besu.datatypes.Wei; +import org.hyperledger.besu.ethereum.core.encoding.AccessListTransactionEncoder; import org.hyperledger.besu.ethereum.core.encoding.BlobTransactionEncoder; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionDecoder; import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import org.hyperledger.besu.ethereum.rlp.BytesValueRLPOutput; @@ -126,7 +128,7 @@ public static Transaction readFrom(final Bytes rlpBytes) { } public static Transaction readFrom(final RLPInput rlpInput) { - return TransactionDecoder.decodeForWire(rlpInput); + return TransactionDecoder.decodeRLP(rlpInput, EncodingContext.BLOCK_BODY); } /** @@ -613,7 +615,7 @@ private Bytes32 getOrComputeSenderRecoveryHash() { * @param out the output to write the transaction to */ public void writeTo(final RLPOutput out) { - TransactionEncoder.encodeForWire(this, out); + TransactionEncoder.encodeRLP(this, out, EncodingContext.BLOCK_BODY); } @Override @@ -676,18 +678,17 @@ public int getSize() { } private void memoizeHashAndSize() { - final Bytes bytes = TransactionEncoder.encodeOpaqueBytes(this); + final Bytes bytes = TransactionEncoder.encodeOpaqueBytes(this, EncodingContext.BLOCK_BODY); hash = Hash.hash(bytes); - if (transactionType.supportsBlob()) { if (getBlobsWithCommitments().isPresent()) { - size = bytes.size(); + final Bytes pooledBytes = + TransactionEncoder.encodeOpaqueBytes(this, EncodingContext.POOLED_TRANSACTION); + size = pooledBytes.size(); return; } } - final BytesValueRLPOutput rlpOutput = new BytesValueRLPOutput(); - TransactionEncoder.encodeForWire(transactionType, bytes, rlpOutput); - size = rlpOutput.encodedSize(); + size = bytes.size(); } /** @@ -968,7 +969,7 @@ private static void eip1559PreimageFields( rlpOutput.writeBytes(to.map(Bytes::copy).orElse(Bytes.EMPTY)); rlpOutput.writeUInt256Scalar(value); rlpOutput.writeBytes(payload); - TransactionEncoder.writeAccessList(rlpOutput, accessList); + AccessListTransactionEncoder.writeAccessList(rlpOutput, accessList); } private static Bytes blobPreimage( @@ -1019,7 +1020,7 @@ private static Bytes accessListPreimage( RLP.encode( rlpOutput -> { rlpOutput.startList(); - TransactionEncoder.encodeAccessListInner( + AccessListTransactionEncoder.encodeAccessListInner( chainId, nonce, gasPrice, gasLimit, to, value, payload, accessList, rlpOutput); rlpOutput.endList(); }); diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionDecoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionDecoder.java new file mode 100644 index 00000000000..477ad57fe60 --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionDecoder.java @@ -0,0 +1,74 @@ +/* + * 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 SIGNATURE_ALGORITHM = + Suppliers.memoize(SignatureAlgorithmFactory::getInstance); + + 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; + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionEncoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionEncoder.java new file mode 100644 index 00000000000..b539ee931cc --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/AccessListTransactionEncoder.java @@ -0,0 +1,109 @@ +/* + * 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 static org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder.writeSignature; + +import org.hyperledger.besu.datatypes.AccessListEntry; +import org.hyperledger.besu.datatypes.Address; +import org.hyperledger.besu.datatypes.Wei; +import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.rlp.RLPOutput; + +import java.math.BigInteger; +import java.util.List; +import java.util.Optional; + +import org.apache.tuweni.bytes.Bytes; + +public class AccessListTransactionEncoder { + + public static void encode(final Transaction transaction, final RLPOutput rlpOutput) { + rlpOutput.startList(); + encodeAccessListInner( + transaction.getChainId(), + transaction.getNonce(), + transaction.getGasPrice().orElseThrow(), + transaction.getGasLimit(), + transaction.getTo(), + transaction.getValue(), + transaction.getPayload(), + transaction + .getAccessList() + .orElseThrow( + () -> + new IllegalStateException( + "Developer error: access list should be guaranteed to be present")), + rlpOutput); + rlpOutput.writeIntScalar(transaction.getSignature().getRecId()); + writeSignature(transaction, rlpOutput); + rlpOutput.endList(); + } + + public static void encodeAccessListInner( + final Optional chainId, + final long nonce, + final Wei gasPrice, + final long gasLimit, + final Optional
to, + final Wei value, + final Bytes payload, + final List accessList, + final RLPOutput rlpOutput) { + rlpOutput.writeBigIntegerScalar(chainId.orElseThrow()); + rlpOutput.writeLongScalar(nonce); + rlpOutput.writeUInt256Scalar(gasPrice); + rlpOutput.writeLongScalar(gasLimit); + rlpOutput.writeBytes(to.map(Bytes::copy).orElse(Bytes.EMPTY)); + rlpOutput.writeUInt256Scalar(value); + rlpOutput.writeBytes(payload); + /* + Access List encoding should look like this + where hex strings represent raw bytes + [ + [ + "0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae", + [ + "0x0000000000000000000000000000000000000000000000000000000000000003", + "0x0000000000000000000000000000000000000000000000000000000000000007" + ] + ], + [ + "0xbb9bc244d798123fde783fcc1c72d3bb8c189413", + [] + ] + ] */ + writeAccessList(rlpOutput, Optional.of(accessList)); + } + + public static void writeAccessList( + final RLPOutput out, final Optional> accessListEntries) { + if (accessListEntries.isEmpty()) { + out.writeEmptyList(); + } else { + out.writeList( + accessListEntries.get(), + (accessListEntry, accessListEntryRLPOutput) -> { + accessListEntryRLPOutput.startList(); + out.writeBytes(accessListEntry.address()); + out.writeList( + accessListEntry.storageKeys(), + (storageKeyBytes, storageKeyBytesRLPOutput) -> + storageKeyBytesRLPOutput.writeBytes(storageKeyBytes)); + accessListEntryRLPOutput.endList(); + }); + } + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionDecoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionDecoder.java new file mode 100644 index 00000000000..8f2efde53f8 --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionDecoder.java @@ -0,0 +1,50 @@ +/* + * 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.datatypes.Blob; +import org.hyperledger.besu.datatypes.KZGCommitment; +import org.hyperledger.besu.datatypes.KZGProof; +import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.rlp.RLPInput; + +import java.util.List; + +/** + * Class responsible for decoding blob transactions from the transaction pool. Blob transactions + * have two network representations. During transaction gossip responses (PooledTransactions), the + * EIP-2718 TransactionPayload of the blob transaction is wrapped to become: rlp([tx_payload_body, + * blobs, commitments, proofs]). + */ +public class BlobPooledTransactionDecoder { + + /** + * Decodes a blob transaction from the provided RLP input. + * + * @param input the RLP input to decode + * @return the decoded transaction + */ + public static Transaction decode(final RLPInput input) { + input.enterList(); + final Transaction.Builder builder = Transaction.builder(); + BlobTransactionDecoder.readTransactionPayloadInner(builder, input); + List blobs = input.readList(Blob::readFrom); + List commitments = input.readList(KZGCommitment::readFrom); + List proofs = input.readList(KZGProof::readFrom); + input.leaveList(); + builder.kzgBlobs(commitments, blobs, proofs); + return builder.build(); + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionEncoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionEncoder.java new file mode 100644 index 00000000000..b47a406102d --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobPooledTransactionEncoder.java @@ -0,0 +1,47 @@ +/* + * 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 static org.slf4j.LoggerFactory.getLogger; + +import org.hyperledger.besu.datatypes.Blob; +import org.hyperledger.besu.datatypes.KZGCommitment; +import org.hyperledger.besu.datatypes.KZGProof; +import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.rlp.RLPOutput; + +import java.security.InvalidParameterException; + +import org.slf4j.Logger; + +public class BlobPooledTransactionEncoder { + private static final Logger LOG = getLogger(BlobPooledTransactionEncoder.class); + static final String NO_BLOBS_ERROR = + "Transaction with no blobsWithCommitments cannot be encoded for Pooled Transaction"; + + public static void encode(final Transaction transaction, final RLPOutput out) { + LOG.trace("Encoding transaction with blobs {}", transaction); + var blobsWithCommitments = transaction.getBlobsWithCommitments(); + if (blobsWithCommitments.isEmpty() || blobsWithCommitments.get().getBlobs().isEmpty()) { + throw new InvalidParameterException(NO_BLOBS_ERROR); + } + out.startList(); + BlobTransactionEncoder.encode(transaction, out); + out.writeList(blobsWithCommitments.get().getBlobs(), Blob::writeTo); + out.writeList(blobsWithCommitments.get().getKzgCommitments(), KZGCommitment::writeTo); + out.writeList(blobsWithCommitments.get().getKzgProofs(), KZGProof::writeTo); + out.endList(); + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionDecoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionDecoder.java index 9a3f9649516..4e556ad1f98 100644 --- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionDecoder.java +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionDecoder.java @@ -18,16 +18,12 @@ import org.hyperledger.besu.crypto.SignatureAlgorithmFactory; import org.hyperledger.besu.datatypes.AccessListEntry; import org.hyperledger.besu.datatypes.Address; -import org.hyperledger.besu.datatypes.Blob; -import org.hyperledger.besu.datatypes.KZGCommitment; -import org.hyperledger.besu.datatypes.KZGProof; import org.hyperledger.besu.datatypes.TransactionType; import org.hyperledger.besu.datatypes.VersionedHash; import org.hyperledger.besu.datatypes.Wei; import org.hyperledger.besu.ethereum.core.Transaction; import org.hyperledger.besu.ethereum.rlp.RLPInput; -import java.util.List; import java.util.function.Supplier; import com.google.common.base.Suppliers; @@ -36,17 +32,15 @@ public class BlobTransactionDecoder { private static final Supplier SIGNATURE_ALGORITHM = Suppliers.memoize(SignatureAlgorithmFactory::getInstance); - static Transaction decode(final RLPInput input) { + /** + * Decodes a blob transaction from the provided RLP input. + * + * @param input the RLP input to decode + * @return the decoded transaction + */ + public static Transaction decode(final RLPInput input) { Transaction transaction; - - input.enterList(); - // BlobTransactionNetworkWrapper - if (input.nextIsList()) { - transaction = readNetworkWrapperInner(input); - } else { - transaction = readTransactionPayload(input); - } - input.leaveList(); + transaction = readTransactionPayload(input); return transaction; } @@ -56,8 +50,17 @@ private static Transaction readTransactionPayload(final RLPInput input) { return builder.build(); } - private static void readTransactionPayloadInner( - final Transaction.Builder builder, final RLPInput input) { + /** + * Reads the payload of a blob transaction from the provided RLP input. + * + *

[chain_id, nonce, max_priority_fee_per_gas, max_fee_per_gas, gas_limit, to, value, data, + * access_list, max_fee_per_blob_gas, blob_versioned_hashes, y_parity, r, s] + * + * @param builder the transaction builder + * @param input the RLP input to read from + */ + static void readTransactionPayloadInner(final Transaction.Builder builder, final RLPInput input) { + input.enterList(); builder .type(TransactionType.BLOB) .chainId(input.readBigIntegerScalar()) @@ -91,18 +94,6 @@ private static void readTransactionPayloadInner( input.readUInt256Scalar().toUnsignedBigInteger(), input.readUInt256Scalar().toUnsignedBigInteger(), recId)); - } - - private static Transaction readNetworkWrapperInner(final RLPInput input) { - final Transaction.Builder builder = Transaction.builder(); - input.enterList(); - readTransactionPayloadInner(builder, input); input.leaveList(); - - List blobs = input.readList(Blob::readFrom); - List commitments = input.readList(KZGCommitment::readFrom); - List proofs = input.readList(KZGProof::readFrom); - builder.kzgBlobs(commitments, blobs, proofs); - return builder.build(); } } diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncoder.java index 6df9baed920..73b7593d9b8 100644 --- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncoder.java +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncoder.java @@ -14,25 +14,17 @@ */ package org.hyperledger.besu.ethereum.core.encoding; -import static org.slf4j.LoggerFactory.getLogger; - -import org.hyperledger.besu.datatypes.Blob; -import org.hyperledger.besu.datatypes.KZGCommitment; -import org.hyperledger.besu.datatypes.KZGProof; import org.hyperledger.besu.datatypes.VersionedHash; import org.hyperledger.besu.ethereum.core.Transaction; -import org.hyperledger.besu.ethereum.rlp.RLP; import org.hyperledger.besu.ethereum.rlp.RLPOutput; import java.util.List; import org.apache.tuweni.bytes.Bytes; -import org.slf4j.Logger; public class BlobTransactionEncoder { - private static final Logger LOG = getLogger(BlobTransactionEncoder.class); - public static void encodeEIP4844(final Transaction transaction, final RLPOutput out) { + public static void encode(final Transaction transaction, final RLPOutput out) { out.startList(); out.writeBigIntegerScalar(transaction.getChainId().orElseThrow()); out.writeLongScalar(transaction.getNonce()); @@ -42,7 +34,7 @@ public static void encodeEIP4844(final Transaction transaction, final RLPOutput out.writeBytes(transaction.getTo().map(Bytes::copy).orElse(Bytes.EMPTY)); out.writeUInt256Scalar(transaction.getValue()); out.writeBytes(transaction.getPayload()); - TransactionEncoder.writeAccessList(out, transaction.getAccessList()); + AccessListTransactionEncoder.writeAccessList(out, transaction.getAccessList()); out.writeUInt256Scalar(transaction.getMaxFeePerBlobGas().orElseThrow()); out.startList(); transaction @@ -57,29 +49,6 @@ public static void encodeEIP4844(final Transaction transaction, final RLPOutput out.endList(); } - private static void encodeEIP4844Network(final Transaction transaction, final RLPOutput out) { - LOG.trace("Encoding transaction with blobs {}", transaction); - out.startList(); - var blobsWithCommitments = transaction.getBlobsWithCommitments().orElseThrow(); - encodeEIP4844(transaction, out); - - out.writeList(blobsWithCommitments.getBlobs(), Blob::writeTo); - out.writeList(blobsWithCommitments.getKzgCommitments(), KZGCommitment::writeTo); - out.writeList(blobsWithCommitments.getKzgProofs(), KZGProof::writeTo); - out.endList(); - } - - public static void encodeForWireNetwork( - final Transaction transaction, final RLPOutput rlpOutput) { - rlpOutput.writeBytes(encodeOpaqueBytesNetwork(transaction)); - } - - private static Bytes encodeOpaqueBytesNetwork(final Transaction transaction) { - return Bytes.concatenate( - Bytes.of(transaction.getType().getSerializedType()), - RLP.encode(rlpOutput -> encodeEIP4844Network(transaction, rlpOutput))); - } - public static void writeBlobVersionedHashes( final RLPOutput rlpOutput, final List versionedHashes) { rlpOutput.writeList(versionedHashes, (h, out) -> out.writeBytes(h.toBytes())); diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionDecoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionDecoder.java new file mode 100644 index 00000000000..35a549409e7 --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionDecoder.java @@ -0,0 +1,74 @@ +/* + * 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; + +public class EIP1559TransactionDecoder { + private static final Supplier SIGNATURE_ALGORITHM = + Suppliers.memoize(SignatureAlgorithmFactory::getInstance); + + public static Transaction decode(final RLPInput input) { + input.enterList(); + final BigInteger chainId = input.readBigIntegerScalar(); + final Transaction.Builder builder = + Transaction.builder() + .type(TransactionType.EIP1559) + .chainId(chainId) + .nonce(input.readLongScalar()) + .maxPriorityFeePerGas(Wei.of(input.readUInt256Scalar())) + .maxFeePerGas(Wei.of(input.readUInt256Scalar())) + .gasLimit(input.readLongScalar()) + .to(input.readBytes(v -> v.size() == 0 ? null : Address.wrap(v))) + .value(Wei.of(input.readUInt256Scalar())) + .payload(input.readBytes()) + .accessList( + input.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) input.readIntScalar(); + final Transaction transaction = + builder + .signature( + SIGNATURE_ALGORITHM + .get() + .createSignature( + input.readUInt256Scalar().toUnsignedBigInteger(), + input.readUInt256Scalar().toUnsignedBigInteger(), + recId)) + .build(); + input.leaveList(); + return transaction; + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionEncoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionEncoder.java new file mode 100644 index 00000000000..3d061beff84 --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EIP1559TransactionEncoder.java @@ -0,0 +1,41 @@ +/* + * 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 static org.hyperledger.besu.ethereum.core.encoding.AccessListTransactionEncoder.writeAccessList; +import static org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder.writeSignatureAndRecoveryId; + +import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.rlp.RLPOutput; + +import org.apache.tuweni.bytes.Bytes; + +public class EIP1559TransactionEncoder { + + public static void encode(final Transaction transaction, final RLPOutput out) { + out.startList(); + out.writeBigIntegerScalar(transaction.getChainId().orElseThrow()); + out.writeLongScalar(transaction.getNonce()); + out.writeUInt256Scalar(transaction.getMaxPriorityFeePerGas().orElseThrow()); + out.writeUInt256Scalar(transaction.getMaxFeePerGas().orElseThrow()); + out.writeLongScalar(transaction.getGasLimit()); + out.writeBytes(transaction.getTo().map(Bytes::copy).orElse(Bytes.EMPTY)); + out.writeUInt256Scalar(transaction.getValue()); + out.writeBytes(transaction.getPayload()); + writeAccessList(out, transaction.getAccessList()); + writeSignatureAndRecoveryId(transaction, out); + out.endList(); + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EncodingContext.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EncodingContext.java new file mode 100644 index 00000000000..b94289aeb9f --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/EncodingContext.java @@ -0,0 +1,41 @@ +/* + * 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; + +/** + * Enum representing the context in which a transaction is being encoded. This context is used to + * determine the appropriate encoding strategy for a transaction. + * + *

The context can be one of the following: + * + *

    + *
  • {@link #BLOCK_BODY}: The transaction is part of a block body. This context is used when + * encoding transactions for inclusion in a block. + *
  • {@link #POOLED_TRANSACTION}: The transaction is part of a transaction pool. This context is + * used when encoding transactions that are currently in the transaction pool, waiting to be + * included in a block. It is also used when encoding transactions for RPC calls related to + * the transaction pool. + *
+ */ +public enum EncodingContext { + /** Represents the context where the transaction is part of a block body. */ + BLOCK_BODY, + + /** + * Represents the context where the transaction is part of a transaction pool. This context is + * also used when encoding transactions for RPC calls related to the transaction pool. + */ + POOLED_TRANSACTION, +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionDecoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionDecoder.java new file mode 100644 index 00000000000..8cfd8b93b51 --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionDecoder.java @@ -0,0 +1,76 @@ +/* + * 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 static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_PROTECTED_V_BASE; +import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_PROTECTED_V_MIN; +import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_UNPROTECTED_V_BASE; +import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_UNPROTECTED_V_BASE_PLUS_1; +import static org.hyperledger.besu.ethereum.core.Transaction.TWO; + +import org.hyperledger.besu.crypto.SECPSignature; +import org.hyperledger.besu.crypto.SignatureAlgorithm; +import org.hyperledger.besu.crypto.SignatureAlgorithmFactory; +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.Optional; +import java.util.function.Supplier; + +import com.google.common.base.Suppliers; + +public class FrontierTransactionDecoder { + // Supplier for the signature algorithm + private static final Supplier SIGNATURE_ALGORITHM = + Suppliers.memoize(SignatureAlgorithmFactory::getInstance); + + public static Transaction decode(final RLPInput input) { + input.enterList(); + final Transaction.Builder builder = + Transaction.builder() + .type(TransactionType.FRONTIER) + .nonce(input.readLongScalar()) + .gasPrice(Wei.of(input.readUInt256Scalar())) + .gasLimit(input.readLongScalar()) + .to(input.readBytes(v -> v.size() == 0 ? null : Address.wrap(v))) + .value(Wei.of(input.readUInt256Scalar())) + .payload(input.readBytes()); + + final BigInteger v = input.readBigIntegerScalar(); + final byte recId; + Optional chainId = Optional.empty(); + if (v.equals(REPLAY_UNPROTECTED_V_BASE) || v.equals(REPLAY_UNPROTECTED_V_BASE_PLUS_1)) { + recId = v.subtract(REPLAY_UNPROTECTED_V_BASE).byteValueExact(); + } else if (v.compareTo(REPLAY_PROTECTED_V_MIN) > 0) { + chainId = Optional.of(v.subtract(REPLAY_PROTECTED_V_BASE).divide(TWO)); + recId = v.subtract(TWO.multiply(chainId.get()).add(REPLAY_PROTECTED_V_BASE)).byteValueExact(); + } else { + throw new RuntimeException( + String.format("An unsupported encoded `v` value of %s was found", v)); + } + final BigInteger r = input.readUInt256Scalar().toUnsignedBigInteger(); + final BigInteger s = input.readUInt256Scalar().toUnsignedBigInteger(); + final SECPSignature signature = SIGNATURE_ALGORITHM.get().createSignature(r, s, recId); + + input.leaveList(); + + chainId.ifPresent(builder::chainId); + return builder.signature(signature).build(); + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionEncoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionEncoder.java new file mode 100644 index 00000000000..0c5f61f5454 --- /dev/null +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/FrontierTransactionEncoder.java @@ -0,0 +1,36 @@ +/* + * 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 static org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder.writeSignatureAndV; + +import org.hyperledger.besu.ethereum.core.Transaction; +import org.hyperledger.besu.ethereum.rlp.RLPOutput; + +import org.apache.tuweni.bytes.Bytes; + +public class FrontierTransactionEncoder { + public static void encode(final Transaction transaction, final RLPOutput out) { + out.startList(); + out.writeLongScalar(transaction.getNonce()); + out.writeUInt256Scalar(transaction.getGasPrice().orElseThrow()); + out.writeLongScalar(transaction.getGasLimit()); + out.writeBytes(transaction.getTo().map(Bytes::copy).orElse(Bytes.EMPTY)); + out.writeUInt256Scalar(transaction.getValue()); + out.writeBytes(transaction.getPayload()); + writeSignatureAndV(transaction, out); + out.endList(); + } +} diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionDecoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionDecoder.java index 88ccf58b803..fe6687cdb5c 100644 --- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionDecoder.java +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionDecoder.java @@ -15,28 +15,14 @@ package org.hyperledger.besu.ethereum.core.encoding; import static com.google.common.base.Preconditions.checkNotNull; -import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_PROTECTED_V_BASE; -import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_PROTECTED_V_MIN; -import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_UNPROTECTED_V_BASE; -import static org.hyperledger.besu.ethereum.core.Transaction.REPLAY_UNPROTECTED_V_BASE_PLUS_1; -import static org.hyperledger.besu.ethereum.core.Transaction.TWO; - -import org.hyperledger.besu.crypto.SECPSignature; -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.RLP; import org.hyperledger.besu.ethereum.rlp.RLPInput; -import java.math.BigInteger; import java.util.Optional; -import java.util.function.Supplier; -import com.google.common.base.Suppliers; import com.google.common.collect.ImmutableMap; import org.apache.tuweni.bytes.Bytes; @@ -50,154 +36,143 @@ interface Decoder { private static final ImmutableMap TYPED_TRANSACTION_DECODERS = ImmutableMap.of( TransactionType.ACCESS_LIST, - TransactionDecoder::decodeAccessList, + AccessListTransactionDecoder::decode, TransactionType.EIP1559, - TransactionDecoder::decodeEIP1559, + EIP1559TransactionDecoder::decode, TransactionType.BLOB, BlobTransactionDecoder::decode); - private static final Supplier SIGNATURE_ALGORITHM = - Suppliers.memoize(SignatureAlgorithmFactory::getInstance); - - public static Transaction decodeForWire(final RLPInput rlpInput) { - if (rlpInput.nextIsList()) { - return decodeFrontier(rlpInput); + private static final ImmutableMap POOLED_TRANSACTION_DECODERS = + ImmutableMap.of(TransactionType.BLOB, BlobPooledTransactionDecoder::decode); + + /** + * Decodes an RLP input into a transaction. If the input represents a typed transaction, it uses + * the appropriate decoder for that type. Otherwise, it uses the frontier decoder. + * + * @param rlpInput the RLP input + * @return the decoded transaction + */ + public static Transaction decodeRLP( + final RLPInput rlpInput, final EncodingContext encodingContext) { + if (isTypedTransaction(rlpInput)) { + return decodeTypedTransaction(rlpInput, encodingContext); } else { - final Bytes typedTransactionBytes = rlpInput.readBytes(); - final TransactionType transactionType = - TransactionType.of(typedTransactionBytes.get(0) & 0xff); - return getDecoder(transactionType).decode(RLP.input(typedTransactionBytes.slice(1))); + return FrontierTransactionDecoder.decode(rlpInput); } } - public static Transaction decodeOpaqueBytes(final Bytes input) { - final TransactionType transactionType; - try { - transactionType = TransactionType.of(input.get(0)); - } catch (final IllegalArgumentException __) { - return decodeForWire(RLP.input(input)); - } - return getDecoder(transactionType).decode(RLP.input(input.slice(1))); + /** + * Decodes a typed transaction from an RLP input. It first reads the transaction type from the + * input, then uses the appropriate decoder for that type. + * + * @param rlpInput the RLP input + * @return the decoded transaction + */ + private static Transaction decodeTypedTransaction( + final RLPInput rlpInput, final EncodingContext context) { + // Read the typed transaction bytes from the RLP input + final Bytes typedTransactionBytes = rlpInput.readBytes(); + + // Determine the transaction type from the typed transaction bytes + TransactionType transactionType = + getTransactionType(typedTransactionBytes) + .orElseThrow((() -> new IllegalArgumentException("Unsupported transaction type"))); + return decodeTypedTransaction(typedTransactionBytes, transactionType, context); } - private static Decoder getDecoder(final TransactionType transactionType) { - return checkNotNull( - TYPED_TRANSACTION_DECODERS.get(transactionType), - "Developer Error. A supported transaction type %s has no associated decoding logic", - transactionType); + /** + * Decodes a typed transaction. The method first slices the transaction bytes to exclude the + * transaction type, then uses the appropriate decoder for the transaction type to decode the + * remaining bytes. + * + * @param transactionBytes the transaction bytes + * @param transactionType the type of the transaction + * @param context the encoding context + * @return the decoded transaction + */ + private static Transaction decodeTypedTransaction( + final Bytes transactionBytes, + final TransactionType transactionType, + final EncodingContext context) { + // Slice the transaction bytes to exclude the transaction type and prepare for decoding + final RLPInput transactionInput = RLP.input(transactionBytes.slice(1)); + // Use the appropriate decoder for the transaction type to decode the remaining bytes + return getDecoder(transactionType, context).decode(transactionInput); } - static Transaction decodeFrontier(final RLPInput input) { - input.enterList(); - final Transaction.Builder builder = - Transaction.builder() - .type(TransactionType.FRONTIER) - .nonce(input.readLongScalar()) - .gasPrice(Wei.of(input.readUInt256Scalar())) - .gasLimit(input.readLongScalar()) - .to(input.readBytes(v -> v.size() == 0 ? null : Address.wrap(v))) - .value(Wei.of(input.readUInt256Scalar())) - .payload(input.readBytes()); - - final BigInteger v = input.readBigIntegerScalar(); - final byte recId; - Optional chainId = Optional.empty(); - if (v.equals(REPLAY_UNPROTECTED_V_BASE) || v.equals(REPLAY_UNPROTECTED_V_BASE_PLUS_1)) { - recId = v.subtract(REPLAY_UNPROTECTED_V_BASE).byteValueExact(); - } else if (v.compareTo(REPLAY_PROTECTED_V_MIN) > 0) { - chainId = Optional.of(v.subtract(REPLAY_PROTECTED_V_BASE).divide(TWO)); - recId = v.subtract(TWO.multiply(chainId.get()).add(REPLAY_PROTECTED_V_BASE)).byteValueExact(); + /** + * Decodes a transaction from opaque bytes. The method first determines the transaction type from + * the bytes. If the type is present, it delegates the decoding process to the appropriate decoder + * for that type. If the type is not present, it decodes the bytes as an RLP input. + * + * @param opaqueBytes the opaque bytes + * @param context the encoding context + * @return the decoded transaction + */ + public static Transaction decodeOpaqueBytes( + final Bytes opaqueBytes, final EncodingContext context) { + var transactionType = getTransactionType(opaqueBytes); + if (transactionType.isPresent()) { + return decodeTypedTransaction(opaqueBytes, transactionType.get(), context); } else { - throw new RuntimeException( - String.format("An unsupported encoded `v` value of %s was found", v)); + // If the transaction type is not present, decode the opaque bytes as RLP + return decodeRLP(RLP.input(opaqueBytes), context); } - final BigInteger r = input.readUInt256Scalar().toUnsignedBigInteger(); - final BigInteger s = input.readUInt256Scalar().toUnsignedBigInteger(); - final SECPSignature signature = SIGNATURE_ALGORITHM.get().createSignature(r, s, recId); - - input.leaveList(); + } - chainId.ifPresent(builder::chainId); - return builder.signature(signature).build(); + /** + * Retrieves the transaction type from the provided bytes. The method attempts to extract the + * first byte from the input bytes and interpret it as a transaction type. If the byte does not + * correspond to a valid transaction type, the method returns an empty Optional. + * + * @param opaqueBytes the bytes from which to extract the transaction type + * @return an Optional containing the TransactionType if the first byte of the input corresponds + * to a valid transaction type, or an empty Optional if it does not + */ + private static Optional getTransactionType(final Bytes opaqueBytes) { + try { + byte transactionTypeByte = opaqueBytes.get(0); + return Optional.of(TransactionType.of(transactionTypeByte)); + } catch (IllegalArgumentException ex) { + return Optional.empty(); + } } - private static Transaction decodeAccessList(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; + /** + * Checks if the given RLP input is a typed transaction. + * + *

See EIP-2718 + * + *

If it starts with a value in the range [0, 0x7f] then it is a new transaction type + * + *

if it starts with a value in the range [0xc0, 0xfe] then it is a legacy transaction type + * + * @param rlpInput the RLP input + * @return true if the RLP input is a typed transaction, false otherwise + */ + private static boolean isTypedTransaction(final RLPInput rlpInput) { + return !rlpInput.nextIsList(); } - static Transaction decodeEIP1559(final RLPInput input) { - input.enterList(); - final BigInteger chainId = input.readBigIntegerScalar(); - final Transaction.Builder builder = - Transaction.builder() - .type(TransactionType.EIP1559) - .chainId(chainId) - .nonce(input.readLongScalar()) - .maxPriorityFeePerGas(Wei.of(input.readUInt256Scalar())) - .maxFeePerGas(Wei.of(input.readUInt256Scalar())) - .gasLimit(input.readLongScalar()) - .to(input.readBytes(v -> v.size() == 0 ? null : Address.wrap(v))) - .value(Wei.of(input.readUInt256Scalar())) - .payload(input.readBytes()) - .accessList( - input.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) input.readIntScalar(); - final Transaction transaction = - builder - .signature( - SIGNATURE_ALGORITHM - .get() - .createSignature( - input.readUInt256Scalar().toUnsignedBigInteger(), - input.readUInt256Scalar().toUnsignedBigInteger(), - recId)) - .build(); - input.leaveList(); - return transaction; + /** + * Gets the decoder for a given transaction type and encoding context. If the context is + * POOLED_TRANSACTION, it uses the network decoder for the type. Otherwise, it uses the typed + * decoder. + * + * @param transactionType the transaction type + * @param encodingContext the encoding context + * @return the decoder + */ + private static Decoder getDecoder( + final TransactionType transactionType, final EncodingContext encodingContext) { + if (encodingContext.equals(EncodingContext.POOLED_TRANSACTION)) { + if (POOLED_TRANSACTION_DECODERS.containsKey(transactionType)) { + return POOLED_TRANSACTION_DECODERS.get(transactionType); + } + } + return checkNotNull( + TYPED_TRANSACTION_DECODERS.get(transactionType), + "Developer Error. A supported transaction type %s has no associated decoding logic", + transactionType); } } diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionEncoder.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionEncoder.java index 56d76dbae72..20fe75885e4 100644 --- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionEncoder.java +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/core/encoding/TransactionEncoder.java @@ -16,20 +16,13 @@ import static com.google.common.base.Preconditions.checkNotNull; -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.BytesValueRLPOutput; import org.hyperledger.besu.ethereum.rlp.RLP; import org.hyperledger.besu.ethereum.rlp.RLPOutput; -import java.math.BigInteger; -import java.util.List; -import java.util.Map; -import java.util.Optional; - +import com.google.common.collect.ImmutableMap; import org.apache.tuweni.bytes.Bytes; public class TransactionEncoder { @@ -39,23 +32,42 @@ interface Encoder { void encode(Transaction transaction, RLPOutput output); } - private static final Map TYPED_TRANSACTION_ENCODERS = - Map.of( + private static final ImmutableMap TYPED_TRANSACTION_ENCODERS = + ImmutableMap.of( TransactionType.ACCESS_LIST, - TransactionEncoder::encodeAccessList, + AccessListTransactionEncoder::encode, TransactionType.EIP1559, - TransactionEncoder::encodeEIP1559, + EIP1559TransactionEncoder::encode, TransactionType.BLOB, - BlobTransactionEncoder::encodeEIP4844); - - public static void encodeForWire(final Transaction transaction, final RLPOutput rlpOutput) { - final TransactionType transactionType = - checkNotNull( - transaction.getType(), "Transaction type for %s was not specified.", transaction); - encodeForWire(transactionType, encodeOpaqueBytes(transaction), rlpOutput); + BlobTransactionEncoder::encode); + + private static final ImmutableMap POOLED_TRANSACTION_ENCODERS = + ImmutableMap.of(TransactionType.BLOB, BlobPooledTransactionEncoder::encode); + + /** + * Encodes a transaction into RLP format. + * + * @param transaction the transaction to encode + * @param rlpOutput the RLP output stream + * @param encodingContext the encoding context + */ + public static void encodeRLP( + final Transaction transaction, + final RLPOutput rlpOutput, + final EncodingContext encodingContext) { + final TransactionType transactionType = getTransactionType(transaction); + Bytes opaqueBytes = encodeOpaqueBytes(transaction, encodingContext); + encodeRLP(transactionType, opaqueBytes, rlpOutput); } - public static void encodeForWire( + /** + * Encodes a transaction into RLP format. + * + * @param transactionType the type of the transaction + * @param opaqueBytes the bytes of the transaction + * @param rlpOutput the RLP output stream + */ + public static void encodeRLP( final TransactionType transactionType, final Bytes opaqueBytes, final RLPOutput rlpOutput) { checkNotNull(transactionType, "Transaction type was not specified."); if (TransactionType.FRONTIER.equals(transactionType)) { @@ -65,142 +77,58 @@ public static void encodeForWire( } } - public static Bytes encodeOpaqueBytes(final Transaction transaction) { - final TransactionType transactionType = - checkNotNull( - transaction.getType(), "Transaction type for %s was not specified.", transaction); + /** + * Encodes a transaction into opaque bytes. + * + * @param transaction the transaction to encode + * @param encodingContext the encoding context + * @return the encoded transaction as bytes + */ + public static Bytes encodeOpaqueBytes( + final Transaction transaction, final EncodingContext encodingContext) { + final TransactionType transactionType = getTransactionType(transaction); if (TransactionType.FRONTIER.equals(transactionType)) { - return RLP.encode(rlpOutput -> encodeFrontier(transaction, rlpOutput)); + return RLP.encode(rlpOutput -> FrontierTransactionEncoder.encode(transaction, rlpOutput)); } else { - final Encoder encoder = - checkNotNull( - TYPED_TRANSACTION_ENCODERS.get(transactionType), - "Developer Error. A supported transaction type %s has no associated encoding logic", - transactionType); + final Encoder encoder = getEncoder(transactionType, encodingContext); final BytesValueRLPOutput out = new BytesValueRLPOutput(); - out.writeByte(transactionType.getSerializedType()); + out.writeByte(transaction.getType().getSerializedType()); encoder.encode(transaction, out); return out.encoded(); } } - static void encodeFrontier(final Transaction transaction, final RLPOutput out) { - out.startList(); - out.writeLongScalar(transaction.getNonce()); - out.writeUInt256Scalar(transaction.getGasPrice().orElseThrow()); - out.writeLongScalar(transaction.getGasLimit()); - out.writeBytes(transaction.getTo().map(Bytes::copy).orElse(Bytes.EMPTY)); - out.writeUInt256Scalar(transaction.getValue()); - out.writeBytes(transaction.getPayload()); - writeSignatureAndV(transaction, out); - out.endList(); - } - - static void encodeAccessList(final Transaction transaction, final RLPOutput rlpOutput) { - rlpOutput.startList(); - encodeAccessListInner( - transaction.getChainId(), - transaction.getNonce(), - transaction.getGasPrice().orElseThrow(), - transaction.getGasLimit(), - transaction.getTo(), - transaction.getValue(), - transaction.getPayload(), - transaction - .getAccessList() - .orElseThrow( - () -> - new IllegalStateException( - "Developer error: access list should be guaranteed to be present")), - rlpOutput); - rlpOutput.writeIntScalar(transaction.getSignature().getRecId()); - writeSignature(transaction, rlpOutput); - rlpOutput.endList(); - } - - public static void encodeAccessListInner( - final Optional chainId, - final long nonce, - final Wei gasPrice, - final long gasLimit, - final Optional

to, - final Wei value, - final Bytes payload, - final List accessList, - final RLPOutput rlpOutput) { - rlpOutput.writeBigIntegerScalar(chainId.orElseThrow()); - rlpOutput.writeLongScalar(nonce); - rlpOutput.writeUInt256Scalar(gasPrice); - rlpOutput.writeLongScalar(gasLimit); - rlpOutput.writeBytes(to.map(Bytes::copy).orElse(Bytes.EMPTY)); - rlpOutput.writeUInt256Scalar(value); - rlpOutput.writeBytes(payload); - /* - Access List encoding should look like this - where hex strings represent raw bytes - [ - [ - "0xde0b295669a9fd93d5f28d9ec85e40f4cb697bae", - [ - "0x0000000000000000000000000000000000000000000000000000000000000003", - "0x0000000000000000000000000000000000000000000000000000000000000007" - ] - ], - [ - "0xbb9bc244d798123fde783fcc1c72d3bb8c189413", - [] - ] - ] */ - writeAccessList(rlpOutput, Optional.of(accessList)); - } - - static void encodeEIP1559(final Transaction transaction, final RLPOutput out) { - out.startList(); - out.writeBigIntegerScalar(transaction.getChainId().orElseThrow()); - out.writeLongScalar(transaction.getNonce()); - out.writeUInt256Scalar(transaction.getMaxPriorityFeePerGas().orElseThrow()); - out.writeUInt256Scalar(transaction.getMaxFeePerGas().orElseThrow()); - out.writeLongScalar(transaction.getGasLimit()); - out.writeBytes(transaction.getTo().map(Bytes::copy).orElse(Bytes.EMPTY)); - out.writeUInt256Scalar(transaction.getValue()); - out.writeBytes(transaction.getPayload()); - writeAccessList(out, transaction.getAccessList()); - writeSignatureAndRecoveryId(transaction, out); - out.endList(); - } - - public static void writeAccessList( - final RLPOutput out, final Optional> accessListEntries) { - if (accessListEntries.isEmpty()) { - out.writeEmptyList(); - } else { - out.writeList( - accessListEntries.get(), - (accessListEntry, accessListEntryRLPOutput) -> { - accessListEntryRLPOutput.startList(); - out.writeBytes(accessListEntry.address()); - out.writeList( - accessListEntry.storageKeys(), - (storageKeyBytes, storageKeyBytesRLPOutput) -> - storageKeyBytesRLPOutput.writeBytes(storageKeyBytes)); - accessListEntryRLPOutput.endList(); - }); - } - } - - private static void writeSignatureAndV(final Transaction transaction, final RLPOutput out) { + static void writeSignatureAndV(final Transaction transaction, final RLPOutput out) { out.writeBigIntegerScalar(transaction.getV()); writeSignature(transaction, out); } - public static void writeSignatureAndRecoveryId( - final Transaction transaction, final RLPOutput out) { + static void writeSignatureAndRecoveryId(final Transaction transaction, final RLPOutput out) { out.writeIntScalar(transaction.getSignature().getRecId()); writeSignature(transaction, out); } - private static void writeSignature(final Transaction transaction, final RLPOutput out) { + static void writeSignature(final Transaction transaction, final RLPOutput out) { out.writeBigIntegerScalar(transaction.getSignature().getR()); out.writeBigIntegerScalar(transaction.getSignature().getS()); } + + private static TransactionType getTransactionType(final Transaction transaction) { + return checkNotNull( + transaction.getType(), "Transaction type for %s was not specified.", transaction); + } + + private static Encoder getEncoder( + final TransactionType transactionType, final EncodingContext encodingContext) { + + if (encodingContext.equals(EncodingContext.POOLED_TRANSACTION)) { + if (POOLED_TRANSACTION_ENCODERS.containsKey(transactionType)) { + return POOLED_TRANSACTION_ENCODERS.get(transactionType); + } + } + return checkNotNull( + TYPED_TRANSACTION_ENCODERS.get(transactionType), + "Developer Error. A supported transaction type %s has no associated encoding logic", + transactionType); + } } diff --git a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/BodyValidation.java b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/BodyValidation.java index 9fac97eaedf..f806c8d4cd1 100644 --- a/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/BodyValidation.java +++ b/ethereum/core/src/main/java/org/hyperledger/besu/ethereum/mainnet/BodyValidation.java @@ -23,6 +23,7 @@ import org.hyperledger.besu.ethereum.core.TransactionReceipt; import org.hyperledger.besu.ethereum.core.Withdrawal; import org.hyperledger.besu.ethereum.core.encoding.DepositEncoder; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import org.hyperledger.besu.ethereum.core.encoding.WithdrawalEncoder; import org.hyperledger.besu.ethereum.rlp.RLP; @@ -62,7 +63,11 @@ public static Hash transactionsRoot(final List transactions) { IntStream.range(0, transactions.size()) .forEach( - i -> trie.put(indexKey(i), TransactionEncoder.encodeOpaqueBytes(transactions.get(i)))); + i -> + trie.put( + indexKey(i), + TransactionEncoder.encodeOpaqueBytes( + transactions.get(i), EncodingContext.BLOCK_BODY))); return Hash.wrap(trie.getRootHash()); } diff --git a/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncodingTest.java b/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncodingTest.java index 920582390b8..49461a75303 100644 --- a/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncodingTest.java +++ b/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/BlobTransactionEncodingTest.java @@ -18,7 +18,6 @@ import org.hyperledger.besu.ethereum.core.Transaction; import org.hyperledger.besu.ethereum.rlp.BytesValueRLPOutput; -import org.hyperledger.besu.ethereum.rlp.RLP; import java.io.BufferedReader; import java.io.IOException; @@ -33,7 +32,7 @@ import org.junit.jupiter.params.provider.MethodSource; public class BlobTransactionEncodingTest { - private static Stream provideTypedTransactionBytes() throws IOException { + private static Stream provideOpaqueBytesNoBlobsWithCommitments() { return Stream.of( createArgument( "0x03f89d850120b996ed3685012a1a646085012a1a64608303345094ffb38a7a99e3e2335be83fc74b7faa19d55312418308a80280c085012a1a6460e1a00153a6a1e053cf4c5a09e84088ed8ad7cb53d76c8168f1b82f7cfebfcd06da1a01a007785223eec68459d72265f10bdb30ec3415252a63100605a03142fa211ebbe9a07dbbf9e081fa7b9a01202e4d9ee0e0e513f80efbbab6c784635429905389ce86"), @@ -45,36 +44,44 @@ private static Stream provideTypedTransactionBytes() throws IOExcepti "0x03f897850120b996ed80840bebc200843b9aca078303345094c8d369b164361a8961286cfbab3bc10f962185a88080c08411e1a300e1a0011df88a2971c8a7ac494a7ba37ec1acaa1fc1edeeb38c839b5d1693d47b69b080a032f122f06e5802224db4c8a58fd22c75173a713f63f89936f811c144b9e40129a043a2a872cbfa5727007adf6a48febe5f190d2e4cd5ed6122823fb6ff47ecda32")); } - private static Stream provideTypedTransactionBytesForNetwork() throws IOException { - return Stream.of(createArgumentFromFile("blob1.txt")); + private static Stream provideOpaqueBytesForNetwork() throws IOException { + return Stream.of(createArgumentFromFile("blob2.txt")); } @ParameterizedTest(name = "{index} {0}") - @MethodSource("provideTypedTransactionBytesForNetwork") + @MethodSource("provideOpaqueBytesForNetwork") public void blobTransactionEncodingDecodingForNetWorkTest( final TypedTransactionBytesArgument argument) { Bytes bytes = argument.bytes; // Decode the transaction from the wire using the TransactionDecoder. - final Transaction transaction = TransactionDecoder.decodeForWire(RLP.input(bytes)); + final Transaction transaction = + TransactionDecoder.decodeOpaqueBytes(bytes, EncodingContext.POOLED_TRANSACTION); + + final BytesValueRLPOutput output = new BytesValueRLPOutput(); + TransactionEncoder.encodeRLP(transaction.getType(), bytes, output); final BytesValueRLPOutput bytesValueRLPOutput = new BytesValueRLPOutput(); - BlobTransactionEncoder.encodeForWireNetwork(transaction, bytesValueRLPOutput); - Bytes encodedRLP = bytesValueRLPOutput.encoded(); - assertThat(encodedRLP.size()).isEqualTo(bytes.size()); - assertThat(encodedRLP).isEqualTo(bytes); + TransactionEncoder.encodeRLP( + transaction, bytesValueRLPOutput, EncodingContext.POOLED_TRANSACTION); + assertThat(transaction.getSize()).isEqualTo(bytes.size()); } @ParameterizedTest(name = "{index} {0}") - @MethodSource("provideTypedTransactionBytes") + @MethodSource("provideOpaqueBytesNoBlobsWithCommitments") public void blobTransactionEncodingDecodingTest(final TypedTransactionBytesArgument argument) { Bytes bytes = argument.bytes; // Decode the transaction from the wire using the TransactionDecoder. - final Transaction transaction = TransactionDecoder.decodeForWire(RLP.input(bytes)); - final BytesValueRLPOutput output = new BytesValueRLPOutput(); + final Transaction transaction = + TransactionDecoder.decodeOpaqueBytes(bytes, EncodingContext.BLOCK_BODY); + // Encode the transaction for wire using the TransactionEncoder. - TransactionEncoder.encodeForWire(transaction, output); + Bytes encoded = TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.BLOCK_BODY); // Assert that the encoded transaction matches the original bytes. - assertThat(output.encoded().toHexString()).isEqualTo(bytes.toHexString()); + assertThat(encoded.toHexString()).isEqualTo(bytes.toHexString()); + + final BytesValueRLPOutput rlpOutput = new BytesValueRLPOutput(); + TransactionEncoder.encodeRLP(transaction.getType(), bytes, rlpOutput); + assertThat(transaction.getSize()).isEqualTo(bytes.size()); } private static Arguments createArgumentFromFile(final String path) throws IOException { @@ -96,9 +103,7 @@ private static Arguments createArgumentFromFile(final String path) throws IOExce } private static Arguments createArgument(final String hex) { - BytesValueRLPOutput out = new BytesValueRLPOutput(); - out.writeBytes(Bytes.fromHexString(hex)); - return Arguments.of(new TypedTransactionBytesArgument(out.encoded())); + return Arguments.of(new TypedTransactionBytesArgument(Bytes.fromHexString(hex))); } @SuppressWarnings("UnusedVariable") diff --git a/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPDecoderTest.java b/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPDecoderTest.java index 68c21f94abc..245561158b0 100644 --- a/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPDecoderTest.java +++ b/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPDecoderTest.java @@ -22,6 +22,7 @@ import org.hyperledger.besu.ethereum.core.Transaction; import org.hyperledger.besu.ethereum.rlp.RLP; import org.hyperledger.besu.ethereum.rlp.RLPException; +import org.hyperledger.besu.ethereum.rlp.RLPInput; import java.math.BigInteger; import java.util.Arrays; @@ -44,8 +45,7 @@ class TransactionRLPDecoderTest { @Test void decodeFrontierNominalCase() { - final Transaction transaction = - TransactionDecoder.decodeForWire(RLP.input(Bytes.fromHexString(FRONTIER_TX_RLP))); + final Transaction transaction = decodeRLP(RLP.input(Bytes.fromHexString(FRONTIER_TX_RLP))); assertThat(transaction).isNotNull(); assertThat(transaction.getGasPrice().get()).isEqualByComparingTo(Wei.of(50L)); assertThat(transaction.getMaxPriorityFeePerGas()).isEmpty(); @@ -54,8 +54,7 @@ void decodeFrontierNominalCase() { @Test void decodeEIP1559NominalCase() { - final Transaction transaction = - TransactionDecoder.decodeForWire(RLP.input(Bytes.fromHexString(EIP1559_TX_RLP))); + final Transaction transaction = decodeRLP(RLP.input(Bytes.fromHexString(EIP1559_TX_RLP))); assertThat(transaction).isNotNull(); assertThat(transaction.getMaxPriorityFeePerGas()).hasValue(Wei.of(2L)); assertThat(transaction.getMaxFeePerGas()).hasValue(Wei.of(new BigInteger("5000000000", 10))); @@ -66,15 +65,16 @@ void doesNotDecodeEIP1559WithLargeMaxFeePerGasOrLargeMaxPriorityFeePerGas() { final String txWithBigFees = "0x02f84e0101a1648a5f8b2dcad5ea5ba6b720ff069c1d87c21a4a6a5b3766b39e2c2792367bb066a1ffa5ffaf5b0560d3a9fb186c2ede2ae6751bc0b4fef9107cf36389630b6196a38805800180c0010203"; assertThatThrownBy( - () -> TransactionDecoder.decodeOpaqueBytes(Bytes.fromHexString(txWithBigFees))) + () -> + TransactionDecoder.decodeOpaqueBytes( + Bytes.fromHexString(txWithBigFees), EncodingContext.BLOCK_BODY)) .isInstanceOf(RLPException.class); } @Test void shouldDecodeWithHighNonce() { final Transaction transaction = - TransactionDecoder.decodeForWire( - RLP.input(Bytes.fromHexString(NONCE_64_BIT_MAX_MINUS_2_TX_RLP))); + decodeRLP(RLP.input(Bytes.fromHexString(NONCE_64_BIT_MAX_MINUS_2_TX_RLP))); assertThat(transaction).isNotNull(); assertThat(transaction.getNonce()).isEqualTo(MAX_NONCE - 1); } @@ -94,16 +94,21 @@ void shouldCalculateCorrectTransactionSize(final String rlp_tx, final String ign // Create bytes from String final Bytes bytes = Bytes.fromHexString(rlp_tx); // Decode bytes into a transaction - final Transaction transaction = TransactionDecoder.decodeForWire(RLP.input(bytes)); + final Transaction transaction = decodeRLP(RLP.input(bytes)); + Bytes transactionBytes = + TransactionEncoder.encodeOpaqueBytes(transaction, EncodingContext.POOLED_TRANSACTION); // Bytes size should be equal to transaction size - assertThat(transaction.getSize()).isEqualTo(bytes.size()); + assertThat(transaction.getSize()).isEqualTo(transactionBytes.size()); } @ParameterizedTest @ValueSource(strings = {FRONTIER_TX_RLP, EIP1559_TX_RLP, NONCE_64_BIT_MAX_MINUS_2_TX_RLP}) void shouldReturnCorrectEncodedBytes(final String txRlp) { - final Transaction transaction = - TransactionDecoder.decodeForWire(RLP.input(Bytes.fromHexString(txRlp))); + final Transaction transaction = decodeRLP(RLP.input(Bytes.fromHexString(txRlp))); assertThat(transaction.encoded()).isEqualTo(Bytes.fromHexString(txRlp)); } + + private Transaction decodeRLP(final RLPInput input) { + return TransactionDecoder.decodeRLP(input, EncodingContext.POOLED_TRANSACTION); + } } diff --git a/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPEncoderTest.java b/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPEncoderTest.java index 4e9f2187e16..fa84bc5ef7a 100644 --- a/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPEncoderTest.java +++ b/ethereum/core/src/test/java/org/hyperledger/besu/ethereum/core/encoding/TransactionRLPEncoderTest.java @@ -22,6 +22,7 @@ import org.hyperledger.besu.ethereum.mainnet.MainnetBlockHeaderFunctions; import org.hyperledger.besu.ethereum.rlp.BytesValueRLPOutput; import org.hyperledger.besu.ethereum.rlp.RLP; +import org.hyperledger.besu.ethereum.rlp.RLPInput; import org.apache.tuweni.bytes.Bytes; import org.junit.jupiter.api.Test; @@ -36,19 +37,17 @@ class TransactionRLPEncoderTest { @Test void encodeFrontierTxNominalCase() { - final Transaction transaction = - TransactionDecoder.decodeForWire(RLP.input(Bytes.fromHexString(FRONTIER_TX_RLP))); + final Transaction transaction = decodeRLP(RLP.input(Bytes.fromHexString(FRONTIER_TX_RLP))); final BytesValueRLPOutput output = new BytesValueRLPOutput(); - TransactionEncoder.encodeForWire(transaction, output); + encodeRLP(transaction, output); assertThat(output.encoded().toHexString()).isEqualTo(FRONTIER_TX_RLP); } @Test void encodeEIP1559TxNominalCase() { - final Transaction transaction = - TransactionDecoder.decodeForWire(RLP.input(Bytes.fromHexString(EIP1559_TX_RLP))); + final Transaction transaction = decodeRLP(RLP.input(Bytes.fromHexString(EIP1559_TX_RLP))); final BytesValueRLPOutput output = new BytesValueRLPOutput(); - TransactionEncoder.encodeForWire(transaction, output); + encodeRLP(transaction, output); assertThat(output.encoded().toHexString()).isEqualTo(EIP1559_TX_RLP); } @@ -70,10 +69,17 @@ void blockWithLegacyAndEIP2930TransactionsRoundTrips() { @Test void shouldEncodeWithHighNonce() { final Transaction transaction = - TransactionDecoder.decodeForWire( - RLP.input(Bytes.fromHexString(NONCE_64_BIT_MAX_MINUS_2_TX_RLP))); + decodeRLP(RLP.input(Bytes.fromHexString(NONCE_64_BIT_MAX_MINUS_2_TX_RLP))); final BytesValueRLPOutput output = new BytesValueRLPOutput(); - TransactionEncoder.encodeForWire(transaction, output); + encodeRLP(transaction, output); assertThat(output.encoded().toHexString()).isEqualTo(NONCE_64_BIT_MAX_MINUS_2_TX_RLP); } + + private Transaction decodeRLP(final RLPInput input) { + return TransactionDecoder.decodeRLP(input, EncodingContext.BLOCK_BODY); + } + + private void encodeRLP(final Transaction transaction, final BytesValueRLPOutput output) { + TransactionEncoder.encodeRLP(transaction, output, EncodingContext.BLOCK_BODY); + } } diff --git a/ethereum/core/src/test/resources/org/hyperledger/besu/ethereum/core/encoding/blob2.txt b/ethereum/core/src/test/resources/org/hyperledger/besu/ethereum/core/encoding/blob2.txt new file mode 100644 index 00000000000..c20766e5314 --- /dev/null +++ b/ethereum/core/src/test/resources/org/hyperledger/besu/ethereum/core/encoding/blob2.txt @@ -0,0 +1 @@ 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\ No newline at end of file diff --git a/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/EthServer.java b/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/EthServer.java index 03301803da6..76346f4152e 100644 --- a/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/EthServer.java +++ b/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/manager/EthServer.java @@ -20,6 +20,8 @@ import org.hyperledger.besu.ethereum.core.BlockHeader; import org.hyperledger.besu.ethereum.core.Transaction; import org.hyperledger.besu.ethereum.core.TransactionReceipt; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; +import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import org.hyperledger.besu.ethereum.eth.EthProtocolConfiguration; import org.hyperledger.besu.ethereum.eth.messages.BlockBodiesMessage; import org.hyperledger.besu.ethereum.eth.messages.BlockHeadersMessage; @@ -269,8 +271,9 @@ static MessageData constructGetPooledTransactionsResponse( if (maybeTx.isEmpty()) { continue; } + final BytesValueRLPOutput txRlp = new BytesValueRLPOutput(); - maybeTx.get().writeTo(txRlp); + TransactionEncoder.encodeRLP(maybeTx.get(), txRlp, EncodingContext.POOLED_TRANSACTION); final int encodedSize = txRlp.encodedSize(); if (responseSizeEstimate + encodedSize > maxMessageSize) { break; diff --git a/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/messages/PooledTransactionsMessage.java b/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/messages/PooledTransactionsMessage.java index 8f4717bb5c1..8218210164c 100644 --- a/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/messages/PooledTransactionsMessage.java +++ b/ethereum/eth/src/main/java/org/hyperledger/besu/ethereum/eth/messages/PooledTransactionsMessage.java @@ -15,7 +15,9 @@ package org.hyperledger.besu.ethereum.eth.messages; import org.hyperledger.besu.ethereum.core.Transaction; -import org.hyperledger.besu.ethereum.core.encoding.BlobTransactionEncoder; +import org.hyperledger.besu.ethereum.core.encoding.EncodingContext; +import org.hyperledger.besu.ethereum.core.encoding.TransactionDecoder; +import org.hyperledger.besu.ethereum.core.encoding.TransactionEncoder; import org.hyperledger.besu.ethereum.p2p.rlpx.wire.AbstractMessageData; import org.hyperledger.besu.ethereum.p2p.rlpx.wire.MessageData; import org.hyperledger.besu.ethereum.rlp.BytesValueRLPInput; @@ -44,11 +46,7 @@ public static PooledTransactionsMessage create(final List transacti out.writeList( transactions, (transaction, rlpOutput) -> { - if (transaction.getType().supportsBlob()) { - BlobTransactionEncoder.encodeForWireNetwork(transaction, rlpOutput); - } else { - transaction.writeTo(rlpOutput); - } + TransactionEncoder.encodeRLP(transaction, rlpOutput, EncodingContext.POOLED_TRANSACTION); }); return new PooledTransactionsMessage(out.encoded()); } @@ -80,7 +78,9 @@ public static PooledTransactionsMessage readFrom(final MessageData message) { public List transactions() { if (pooledTransactions == null) { final BytesValueRLPInput in = new BytesValueRLPInput(getData(), false); - pooledTransactions = in.readList(Transaction::readFrom); + pooledTransactions = + in.readList( + input -> TransactionDecoder.decodeRLP(input, EncodingContext.POOLED_TRANSACTION)); } return pooledTransactions; }