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Store Private State Root Hash in DB.
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67 changes: 67 additions & 0 deletions
67
...ore/src/main/java/tech/pegasys/pantheon/ethereum/privacy/PrivateStateKeyValueStorage.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * Copyright 2019 ConsenSys AG. | ||
| * | ||
| * 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. | ||
| */ | ||
| package tech.pegasys.pantheon.ethereum.privacy; | ||
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| import tech.pegasys.pantheon.ethereum.core.Hash; | ||
| import tech.pegasys.pantheon.services.kvstore.KeyValueStorage; | ||
| import tech.pegasys.pantheon.util.bytes.Bytes32; | ||
| import tech.pegasys.pantheon.util.bytes.BytesValue; | ||
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| import java.util.Optional; | ||
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| public class PrivateStateKeyValueStorage implements PrivateStateStorage { | ||
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| private final KeyValueStorage keyValueStorage; | ||
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| public PrivateStateKeyValueStorage(final KeyValueStorage keyValueStorage) { | ||
| this.keyValueStorage = keyValueStorage; | ||
| } | ||
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| @Override | ||
| public Optional<Hash> getPrivateAccountState(final BytesValue privacyId) { | ||
| if (keyValueStorage.get(privacyId).isPresent()) | ||
| return Optional.of( | ||
| Hash.wrap(Bytes32.wrap(keyValueStorage.get(privacyId).get().extractArray()))); | ||
| else return Optional.empty(); | ||
| } | ||
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| @Override | ||
| public boolean isWorldStateAvailable(final Bytes32 rootHash) { | ||
| return false; | ||
| } | ||
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| @Override | ||
| public PrivateStateStorage.Updater updater() { | ||
| return new PrivateStateKeyValueStorage.Updater(keyValueStorage.startTransaction()); | ||
| } | ||
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| public static class Updater implements PrivateStateStorage.Updater { | ||
| private final KeyValueStorage.Transaction transaction; | ||
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| private Updater(final KeyValueStorage.Transaction transaction) { | ||
| this.transaction = transaction; | ||
| } | ||
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| @Override | ||
| public PrivateStateStorage.Updater putPrivateAccountState( | ||
| final BytesValue privacyId, final Hash privateStateHash) { | ||
| transaction.put(privacyId, BytesValue.wrap(privateStateHash.extractArray())); | ||
| return this; | ||
| } | ||
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| @Override | ||
| public void commit() { | ||
| transaction.commit(); | ||
| } | ||
| } | ||
| } |
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43 changes: 43 additions & 0 deletions
43
.../core/src/main/java/tech/pegasys/pantheon/ethereum/privacy/PrivateTransactionStorage.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * Copyright 2019 ConsenSys AG. | ||
| * | ||
| * 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. | ||
| */ | ||
| package tech.pegasys.pantheon.ethereum.privacy; | ||
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| import tech.pegasys.pantheon.ethereum.core.Log; | ||
| import tech.pegasys.pantheon.ethereum.core.LogSeries; | ||
| import tech.pegasys.pantheon.util.bytes.Bytes32; | ||
| import tech.pegasys.pantheon.util.bytes.BytesValue; | ||
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| import java.util.List; | ||
| import java.util.Optional; | ||
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| public interface PrivateTransactionStorage { | ||
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| Optional<List<Log>> getEvents(Bytes32 transactionHash); | ||
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| Optional<BytesValue> getOutput(Bytes32 transactionHash); | ||
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| boolean isPrivateStateAvailable(Bytes32 transactionHash); | ||
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| Updater updater(); | ||
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| interface Updater { | ||
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| Updater putTransactionLogs(Bytes32 transactionHash, LogSeries logs); | ||
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| Updater putTransactionResult(Bytes32 transactionHash, BytesValue events); | ||
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| void commit(); | ||
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| void rollback(); | ||
| } | ||
| } |
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