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HIP-1056 Add block file transformer (#10147)
- Adds the block file transformer for the cryptotransfer transaction type Signed-off-by: Edwin Greene <[email protected]> Signed-off-by: Xin Li <[email protected]> Co-authored-by: Xin Li <[email protected]>
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62 changes: 62 additions & 0 deletions
62
...com/hedera/mirror/importer/downloader/block/transformer/AbstractBlockItemTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * Copyright (C) 2025 Hedera Hashgraph, LLC | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.hedera.mirror.importer.downloader.block.transformer; | ||
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| import static com.hedera.mirror.common.util.DomainUtils.createSha384Digest; | ||
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| import com.google.protobuf.ByteString; | ||
| import com.hedera.mirror.common.domain.transaction.BlockItem; | ||
| import com.hedera.mirror.common.util.DomainUtils; | ||
| import com.hederahashgraph.api.proto.java.TransactionBody; | ||
| import com.hederahashgraph.api.proto.java.TransactionReceipt; | ||
| import com.hederahashgraph.api.proto.java.TransactionRecord; | ||
| import java.security.MessageDigest; | ||
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| abstract class AbstractBlockItemTransformer implements BlockItemTransformer { | ||
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| private static final MessageDigest DIGEST = createSha384Digest(); | ||
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| public TransactionRecord getTransactionRecord(BlockItem blockItem, TransactionBody transactionBody) { | ||
| var transactionResult = blockItem.transactionResult(); | ||
| var receiptBuilder = TransactionReceipt.newBuilder().setStatus(transactionResult.getStatus()); | ||
| var transactionRecordBuilder = TransactionRecord.newBuilder() | ||
| .addAllAutomaticTokenAssociations(transactionResult.getAutomaticTokenAssociationsList()) | ||
| .addAllPaidStakingRewards(transactionResult.getPaidStakingRewardsList()) | ||
| .addAllTokenTransferLists(transactionResult.getTokenTransferListsList()) | ||
| .setConsensusTimestamp(transactionResult.getConsensusTimestamp()) | ||
| .setParentConsensusTimestamp(transactionResult.getParentConsensusTimestamp()) | ||
| .setMemo(transactionBody.getMemo()) | ||
| .setReceipt(receiptBuilder) | ||
| .setScheduleRef(transactionResult.getScheduleRef()) | ||
| .setTransactionFee(transactionResult.getTransactionFeeCharged()) | ||
| .setTransactionHash( | ||
| calculateTransactionHash(blockItem.transaction().getSignedTransactionBytes())) | ||
| .setTransactionID(transactionBody.getTransactionID()) | ||
| .setTransferList(transactionResult.getTransferList()); | ||
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| updateTransactionRecord(blockItem, transactionRecordBuilder); | ||
| return transactionRecordBuilder.build(); | ||
| } | ||
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| protected void updateTransactionRecord(BlockItem blockItem, TransactionRecord.Builder transactionRecordBuilder) { | ||
| // do nothing | ||
| } | ||
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| private ByteString calculateTransactionHash(ByteString signedTransactionBytes) { | ||
| return DomainUtils.fromBytes(DIGEST.digest(DomainUtils.toBytes(signedTransactionBytes))); | ||
| } | ||
| } |
29 changes: 29 additions & 0 deletions
29
...in/java/com/hedera/mirror/importer/downloader/block/transformer/BlockItemTransformer.java
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| @@ -0,0 +1,29 @@ | ||
| /* | ||
| * Copyright (C) 2025 Hedera Hashgraph, LLC | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.hedera.mirror.importer.downloader.block.transformer; | ||
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| import com.hedera.mirror.common.domain.transaction.BlockItem; | ||
| import com.hedera.mirror.common.domain.transaction.TransactionType; | ||
| import com.hederahashgraph.api.proto.java.TransactionBody; | ||
| import com.hederahashgraph.api.proto.java.TransactionRecord; | ||
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| interface BlockItemTransformer { | ||
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| TransactionRecord getTransactionRecord(BlockItem blockItem, TransactionBody transactionBody); | ||
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| TransactionType getType(); | ||
| } |
65 changes: 65 additions & 0 deletions
65
.../com/hedera/mirror/importer/downloader/block/transformer/BlockItemTransformerFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,65 @@ | ||
| /* | ||
| * Copyright (C) 2025 Hedera Hashgraph, LLC | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.hedera.mirror.importer.downloader.block.transformer; | ||
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| import com.google.protobuf.ByteString; | ||
| import com.google.protobuf.InvalidProtocolBufferException; | ||
| import com.hedera.mirror.common.domain.transaction.BlockItem; | ||
| import com.hedera.mirror.common.domain.transaction.TransactionType; | ||
| import com.hedera.mirror.common.exception.ProtobufException; | ||
| import com.hederahashgraph.api.proto.java.SignedTransaction; | ||
| import com.hederahashgraph.api.proto.java.TransactionBody; | ||
| import com.hederahashgraph.api.proto.java.TransactionRecord; | ||
| import jakarta.inject.Named; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.function.Function; | ||
| import java.util.stream.Collectors; | ||
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| @Named | ||
| public class BlockItemTransformerFactory { | ||
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| private final BlockItemTransformer defaultTransformer; | ||
| private final Map<TransactionType, BlockItemTransformer> transformers; | ||
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| BlockItemTransformerFactory(List<BlockItemTransformer> transformers) { | ||
| this.transformers = transformers.stream() | ||
| .collect(Collectors.toUnmodifiableMap(BlockItemTransformer::getType, Function.identity())); | ||
| this.defaultTransformer = this.transformers.get(TransactionType.UNKNOWN); | ||
| } | ||
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| public TransactionRecord getTransactionRecord(BlockItem blockItem) { | ||
| var transactionBody = parse(blockItem.transaction().getSignedTransactionBytes()); | ||
| var blockItemTransformer = get(transactionBody); | ||
| // pass transactionBody for performance | ||
| return blockItemTransformer.getTransactionRecord(blockItem, transactionBody); | ||
| } | ||
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| private BlockItemTransformer get(TransactionBody transactionBody) { | ||
| var transactionType = TransactionType.of(transactionBody.getDataCase().getNumber()); | ||
| return transformers.getOrDefault(transactionType, defaultTransformer); | ||
| } | ||
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| private TransactionBody parse(ByteString signedTransactionBytes) { | ||
| try { | ||
| var signedTransaction = SignedTransaction.parseFrom(signedTransactionBytes); | ||
| return TransactionBody.parseFrom(signedTransaction.getBodyBytes()); | ||
| } catch (InvalidProtocolBufferException e) { | ||
| throw new ProtobufException("Error parsing transaction body from signed transaction bytes", e); | ||
| } | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
...va/com/hedera/mirror/importer/downloader/block/transformer/CryptoTransferTransformer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * Copyright (C) 2025 Hedera Hashgraph, LLC | ||
| * | ||
| * 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. | ||
| */ | ||
|
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| package com.hedera.mirror.importer.downloader.block.transformer; | ||
|
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| import com.hedera.mirror.common.domain.transaction.BlockItem; | ||
| import com.hedera.mirror.common.domain.transaction.TransactionType; | ||
| import com.hederahashgraph.api.proto.java.TransactionRecord; | ||
| import jakarta.inject.Named; | ||
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| @Named | ||
| class CryptoTransferTransformer extends AbstractBlockItemTransformer { | ||
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| @Override | ||
| protected void updateTransactionRecord(BlockItem blockItem, TransactionRecord.Builder transactionRecordBuilder) { | ||
| for (var transactionOutput : blockItem.transactionOutput()) { | ||
| if (transactionOutput.hasCryptoTransfer()) { | ||
| var cryptoTransferOutput = transactionOutput.getCryptoTransfer(); | ||
| var assessedCustomFees = cryptoTransferOutput.getAssessedCustomFeesList(); | ||
| transactionRecordBuilder.addAllAssessedCustomFees(assessedCustomFees); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
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| @Override | ||
| public TransactionType getType() { | ||
| return TransactionType.CRYPTOTRANSFER; | ||
| } | ||
| } |
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