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initial test coverage for snap server account range
Signed-off-by: garyschulte <[email protected]>
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25 changes: 25 additions & 0 deletions
25
...um/core/src/main/java/org/hyperledger/besu/ethereum/worldstate/FlatWorldStateStorage.java
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| /* | ||
| * Copyright Hyperledger Besu Contributors. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.hyperledger.besu.ethereum.worldstate; | ||
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| import org.hyperledger.besu.ethereum.bonsai.storage.flat.FlatDbStrategy; | ||
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| public interface FlatWorldStateStorage { | ||
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| FlatDbMode getFlatDbMode(); | ||
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| FlatDbStrategy getFlatDbStrategy(); | ||
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| } |
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169
...reum/eth/src/test/java/org/hyperledger/besu/ethereum/eth/manager/snap/SnapServerTest.java
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| /* | ||
| * Copyright Hyperledger Besu Contributors | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with | ||
| * the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on | ||
| * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations under the License. | ||
| * | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
| package org.hyperledger.besu.ethereum.eth.manager.snap; | ||
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| import org.apache.tuweni.bytes.Bytes; | ||
| import org.apache.tuweni.bytes.Bytes32; | ||
| import org.hyperledger.besu.datatypes.Hash; | ||
| import org.hyperledger.besu.datatypes.Wei; | ||
| import org.hyperledger.besu.ethereum.bonsai.storage.BonsaiWorldStateKeyValueStorage; | ||
| import org.hyperledger.besu.ethereum.core.InMemoryKeyValueStorageProvider; | ||
| import org.hyperledger.besu.ethereum.eth.manager.EthMessages; | ||
| import org.hyperledger.besu.ethereum.eth.messages.snap.AccountRangeMessage; | ||
| import org.hyperledger.besu.ethereum.eth.messages.snap.GetAccountRangeMessage; | ||
| import org.hyperledger.besu.ethereum.proof.WorldStateProofProvider; | ||
| import org.hyperledger.besu.ethereum.rlp.RLP; | ||
| import org.hyperledger.besu.ethereum.storage.keyvalue.KeyValueStorageProvider; | ||
| import org.hyperledger.besu.ethereum.trie.patricia.StoredMerklePatriciaTrie; | ||
| import org.hyperledger.besu.ethereum.worldstate.StateTrieAccountValue; | ||
| import org.hyperledger.besu.metrics.ObservableMetricsSystem; | ||
| import org.hyperledger.besu.metrics.noop.NoOpMetricsSystem; | ||
| import org.junit.jupiter.api.Test; | ||
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| import java.math.BigInteger; | ||
| import java.util.Optional; | ||
| import java.util.Random; | ||
| import java.util.function.Function; | ||
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| import static org.assertj.core.api.AssertionsForClassTypes.assertThat; | ||
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| public class SnapServerTest { | ||
| static Random rand = new Random(); | ||
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| record SnapTestAccount(Hash addressHash, StateTrieAccountValue accountValue){ | ||
| Bytes asRLP() { | ||
| return RLP.encode(accountValue::writeTo); | ||
| } | ||
| } | ||
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| static final ObservableMetricsSystem noopMetrics = new NoOpMetricsSystem(); | ||
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| final static SnapTestAccount acct1 = testAcct("10"); | ||
| final static SnapTestAccount acct2 = testAcct("20"); | ||
| final static SnapTestAccount acct3 = testAcct("30"); | ||
| final static SnapTestAccount acct4 = testAcct("40"); | ||
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| final KeyValueStorageProvider storageProvider = new InMemoryKeyValueStorageProvider(); | ||
| final BonsaiWorldStateKeyValueStorage inMemoryStorage = | ||
| new BonsaiWorldStateKeyValueStorage(storageProvider, noopMetrics); | ||
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| final StoredMerklePatriciaTrie<Bytes, Bytes> storageTrie = | ||
| new StoredMerklePatriciaTrie<>( | ||
| inMemoryStorage::getAccountStateTrieNode, | ||
| Function.identity(), | ||
| Function.identity()); | ||
| final WorldStateProofProvider proofProvider = new WorldStateProofProvider(inMemoryStorage); | ||
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| final SnapServer snapServer = new SnapServer(new EthMessages(), __ -> Optional.of(inMemoryStorage)); | ||
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| @Test | ||
| public void assertEmptyRangeLeftProofOfExclusionAndNextAccount() { | ||
| // for a range request that returns empty, we should return just a proof of exclusion on the left | ||
| // and the next account after the limit hash | ||
| insertTestAccounts(acct1, acct4); | ||
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| var rangeData = getAndVerifyAcountRangeData( | ||
| requestAccountRange(acct2.addressHash, acct3.addressHash), 1); | ||
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| // expect to find only one value acct4, outside the requested range | ||
| var outOfRangeVal = rangeData.accounts().entrySet().stream().findFirst(); | ||
| assertThat(outOfRangeVal).isPresent(); | ||
| assertThat(outOfRangeVal.get().getKey()).isEqualTo(acct4.addressHash()); | ||
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| // assert proofs are valid for the requested range | ||
| assertThat(assertIsValidRangeProof(acct2.addressHash, rangeData)).isTrue(); | ||
| } | ||
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| @Test | ||
| public void assertLastEmptyRange() { | ||
| // When our final range request is empty, no next account is possible, | ||
| // and we should return just a proof of exclusion of the right | ||
| insertTestAccounts(acct1, acct2); | ||
| var rangeData = getAndVerifyAcountRangeData( | ||
| requestAccountRange(acct3.addressHash, acct4.addressHash), 0); | ||
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| // assert proofs are valid for the requested range | ||
| assertThat(assertIsValidRangeProof(acct3.addressHash, rangeData)).isTrue(); | ||
| } | ||
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| @Test | ||
| public void assertAccountFoundAtStartHashProof() { | ||
| // account found at startHash | ||
| insertTestAccounts(acct1, acct2, acct3, acct4); | ||
| var rangeData = getAndVerifyAcountRangeData( | ||
| requestAccountRange(acct1.addressHash, acct4.addressHash), 4); | ||
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| // assert proofs are valid for requested range | ||
| assertThat(assertIsValidRangeProof(acct1.addressHash, rangeData)).isTrue(); | ||
| } | ||
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| static SnapTestAccount testAcct(final String hexAddr) { | ||
| return new SnapTestAccount( | ||
| Hash.wrap(Bytes32.rightPad(Bytes.fromHexString(hexAddr))), | ||
| new StateTrieAccountValue( | ||
| rand.nextInt(0,1), | ||
| Wei.of(rand.nextLong(0L, 1L)), | ||
| Hash.EMPTY_TRIE_HASH, Hash.EMPTY)); | ||
| } | ||
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| void insertTestAccounts(final SnapTestAccount ... accounts) { | ||
| final var updater = inMemoryStorage.updater(); | ||
| for(SnapTestAccount account : accounts) { | ||
| updater.putAccountInfoState(account.addressHash(), account.asRLP()); | ||
| storageTrie.put(account.addressHash(), account.asRLP()); | ||
| } | ||
| storageTrie.commit(updater::putAccountStateTrieNode); | ||
| updater.commit(); | ||
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| } | ||
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| boolean assertIsValidRangeProof(final Hash startHash, final AccountRangeMessage.AccountRangeData accountRange) { | ||
| Bytes32 lastKey = accountRange.accounts() | ||
| .keySet() | ||
| .stream() | ||
| .reduce((first, second) -> second) | ||
| .orElse(startHash); | ||
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| return proofProvider | ||
| .isValidRangeProof( | ||
| acct2.addressHash, | ||
| lastKey, | ||
| storageTrie.getRootHash(), | ||
| accountRange.proofs(), | ||
| accountRange.accounts()); | ||
| } | ||
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| AccountRangeMessage requestAccountRange(final Hash startHash, final Hash limitHash) { | ||
| return (AccountRangeMessage) snapServer.constructGetAccountRangeResponse( | ||
| GetAccountRangeMessage.create( | ||
| Hash.wrap(storageTrie.getRootHash()), | ||
| startHash, | ||
| limitHash) | ||
| .wrapMessageData(BigInteger.ONE)); | ||
| } | ||
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| AccountRangeMessage.AccountRangeData getAndVerifyAcountRangeData( | ||
| final AccountRangeMessage range, final int expectedSize) { | ||
| assertThat(range).isNotNull(); | ||
| var accountData = range.accountData(false); | ||
| assertThat(accountData).isNotNull(); | ||
| assertThat(accountData.accounts().size()).isEqualTo(expectedSize); | ||
| return accountData; | ||
| } | ||
| } |