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feat(state): add virtual map for contract key/values
Signed-off-by: failfmi <oscurocalma@gmail.com>
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144 changes: 144 additions & 0 deletions
144
hedera-node/src/main/java/com/hedera/services/contracts/virtual/ContractKey.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| package com.hedera.services.contracts.virtual; | ||
|
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| /*- | ||
| * | ||
| * Hedera Services Node | ||
| * | ||
| * Copyright (C) 2018 - 2021 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. | ||
| * | ||
| */ | ||
|
|
||
| import com.swirlds.common.io.SerializableDataInputStream; | ||
| import com.swirlds.common.io.SerializableDataOutputStream; | ||
| import com.swirlds.virtualmap.VirtualKey; | ||
| import org.hyperledger.besu.datatypes.Address; | ||
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|
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| import java.io.IOException; | ||
| import java.nio.ByteBuffer; | ||
| import java.util.Arrays; | ||
| import java.util.Objects; | ||
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| public class ContractKey implements VirtualKey { | ||
| static final long RUNTIME_CONSTRUCTABLE_ID = 0xbd02f789da2d61a5L; | ||
| static final int RELEASE_0200_VERSION = 1; | ||
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| private static final int KEY_SIZE = 32; | ||
| private static final int SIZE = Address.SIZE + KEY_SIZE; | ||
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| private byte[] contract; | ||
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| private byte[] key; | ||
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| public ContractKey() { | ||
| this.contract = new byte[Address.SIZE]; | ||
| this.key = new byte[KEY_SIZE]; | ||
| } | ||
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| public ContractKey(byte[] contract, byte[] key) { | ||
| this.setContract(contract); | ||
| this.setKey(key); | ||
| } | ||
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| private void setContract(byte[] contract) { | ||
| Objects.requireNonNull(contract); | ||
| if (contract.length != Address.SIZE) { | ||
| throw new IllegalArgumentException("invalid contract address length"); | ||
| } | ||
| this.contract = contract; | ||
| } | ||
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| private void setKey(byte[] key) { | ||
| Objects.requireNonNull(key); | ||
| if (key.length != SIZE) { | ||
| throw new IllegalArgumentException("invalid key length"); | ||
| } | ||
| this.key = key; | ||
| } | ||
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| @Override | ||
| public void serialize(ByteBuffer byteBuffer) throws IOException { | ||
| byteBuffer.put(contract); | ||
| byteBuffer.put(key); | ||
| } | ||
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| @Override | ||
| public void deserialize(ByteBuffer byteBuffer, int i) throws IOException { | ||
| byteBuffer.get(contract); | ||
| byteBuffer.get(key); | ||
| } | ||
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| @Override | ||
| public boolean equals(ByteBuffer byteBuffer, int i) throws IOException { | ||
| byte[] contract = new byte[Address.SIZE]; | ||
| byteBuffer.get(contract); | ||
| byte[] key = new byte[KEY_SIZE]; | ||
| byteBuffer.get(key); | ||
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| return Arrays.equals(this.contract, contract) && Arrays.equals(this.key, key); | ||
| } | ||
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| @Override | ||
| public void deserialize(SerializableDataInputStream serializableDataInputStream, int i) throws IOException { | ||
| serializableDataInputStream.read(contract); | ||
| serializableDataInputStream.read(contract); | ||
| } | ||
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| @Override | ||
| public long getClassId() { | ||
| return RUNTIME_CONSTRUCTABLE_ID; | ||
| } | ||
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| @Override | ||
| public void serialize(SerializableDataOutputStream serializableDataOutputStream) throws IOException { | ||
| serializableDataOutputStream.write(contract); | ||
| serializableDataOutputStream.write(key); | ||
| } | ||
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| @Override | ||
| public int getVersion() { | ||
| return RELEASE_0200_VERSION; | ||
| } | ||
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| @Override | ||
| public int hashCode() { | ||
| return Objects.hash(Arrays.hashCode(this.contract), Arrays.hashCode(this.key)); | ||
| } | ||
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| @Override | ||
| public boolean equals(Object o) { | ||
| if (this == o) return true; | ||
| if (o == null || getClass() != o.getClass()) return false; | ||
| ContractKey that = (ContractKey) o; | ||
| return Arrays.equals(this.contract, that.contract) && Arrays.equals(this.key, that.key); | ||
| } | ||
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| @Override | ||
| public String toString() { | ||
| final StringBuilder sb = new StringBuilder(); | ||
| sb.append("Uint256Key{"); | ||
| sb.append("contract:("); | ||
| for (int i = 0; i < 20; i++) { | ||
| sb.append(String.format("%02X ", this.contract[i]).toUpperCase()); | ||
| } | ||
| sb.append("),"); | ||
| sb.append("key:("); | ||
| for (int i = 0; i < 32; i++) { | ||
| sb.append(String.format("%02X ", this.key[i]).toUpperCase()); | ||
| } | ||
| sb.append(")}"); | ||
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| return sb.toString(); | ||
| } | ||
| } |
57 changes: 57 additions & 0 deletions
57
hedera-node/src/main/java/com/hedera/services/contracts/virtual/ContractKeySerializer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| package com.hedera.services.contracts.virtual; | ||
|
|
||
| /*- | ||
| * | ||
| * Hedera Services Node | ||
| * | ||
| * Copyright (C) 2018 - 2021 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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| import com.swirlds.common.io.SerializableDataOutputStream; | ||
| import com.swirlds.jasperdb.files.hashmap.KeySerializer; | ||
|
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| import java.io.IOException; | ||
| import java.nio.ByteBuffer; | ||
|
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| public class ContractKeySerializer implements KeySerializer<ContractKey> { | ||
| @Override | ||
| public int deserializeKeySize(ByteBuffer byteBuffer) { | ||
| return 52; // TODO: | ||
| } | ||
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| @Override | ||
| public int getSerializedSize() { | ||
| return 52; // TODO: | ||
| } | ||
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| @Override | ||
| public long getCurrentDataVersion() { | ||
| return 1; | ||
| } | ||
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| @Override | ||
| public ContractKey deserialize(ByteBuffer byteBuffer, long dataVersion) throws IOException { | ||
| final ContractKey key = new ContractKey(); | ||
| key.deserialize(byteBuffer, (int) dataVersion); | ||
| return key; | ||
| } | ||
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| @Override | ||
| public int serialize(ContractKey contractKey, SerializableDataOutputStream serializableDataOutputStream) throws IOException { | ||
| contractKey.serialize(serializableDataOutputStream); | ||
| return 52; // TODO: | ||
| } | ||
| } |
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