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tweak caches

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This commit is contained in:
Carsten Otto
2021-11-20 11:49:49 +01:00
parent 3817f11e32
commit f84afefbe3
4 changed files with 55 additions and 42 deletions
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2
grpc-adapter/build.gradle
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@@ -18,7 +18,7 @@ jacocoTestCoverageVerification {
limit.minimum = 0.82
}
if (limit.counter == 'METHOD') {
limit.minimum = 0.79
limit.minimum = 0.78
}
if (limit.counter == 'BRANCH') {
limit.minimum = 0.92

29
grpc-adapter/src/main/java/de/cotto/lndmanagej/grpc/GrpcService.java
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@@ -24,7 +24,7 @@ import lnrpc.Peer;
import lnrpc.PendingChannelsRequest;
import lnrpc.PendingChannelsResponse;
import lnrpc.PendingChannelsResponse.ForceClosedChannel;
import lnrpc.TransactionDetails;
import lnrpc.Transaction;
import org.springframework.stereotype.Component;
import javax.annotation.PreDestroy;
@@ -35,18 +35,24 @@ import java.util.Optional;
@Component
@SuppressWarnings("PMD.ExcessiveImports")
public class GrpcService extends GrpcBase {
private static final int CACHE_EXPIRY_MILLISECONDS = 200;
private static final int CHANNELS_CACHE_EXPIRY_MS = 200;
private static final int PENDING_CHANNELS_CACHE_EXPIRY_MS = 10_000;
private static final int LIST_PEERS_CACHE_EXPIRY_MS = 10_000;
private static final int TRANSACTIONS_CACHE_EXPIRY_MS = 30_000;
private final LightningGrpc.LightningBlockingStub lightningStub;
private final LoadingCache<Object, List<Channel>> channelsCache = new CacheBuilder()
.withExpiryMilliseconds(CACHE_EXPIRY_MILLISECONDS)
.withExpiryMilliseconds(CHANNELS_CACHE_EXPIRY_MS)
.build(this::getChannelsWithoutCache);
private final LoadingCache<Object, Optional<PendingChannelsResponse>> pendingChannelsCache = new CacheBuilder()
.withExpiryMilliseconds(CACHE_EXPIRY_MILLISECONDS)
.withExpiryMilliseconds(PENDING_CHANNELS_CACHE_EXPIRY_MS)
.build(this::getPendingChannelsWithoutCache);
private final LoadingCache<Object, List<Peer>> listPeersCache = new CacheBuilder()
.withExpiryMilliseconds(CACHE_EXPIRY_MILLISECONDS)
.withExpiryMilliseconds(LIST_PEERS_CACHE_EXPIRY_MS)
.build(this::listPeersWithoutCache);
private final LoadingCache<Object, Optional<List<Transaction>>> getTransactionsCache = new CacheBuilder()
.withExpiryMilliseconds(TRANSACTIONS_CACHE_EXPIRY_MS)
.build(this::getTransactionsWithoutCache);
public GrpcService(LndConfiguration lndConfiguration, Metrics metrics) throws IOException {
super(lndConfiguration, metrics);
@@ -121,13 +127,14 @@ public class GrpcService extends GrpcBase {
.orElse(List.of());
}
public Optional<TransactionDetails> getTransactionsInBlock(int blockHeight) {
public Optional<List<Transaction>> getTransactions() {
return getTransactionsCache.getUnchecked("");
}
private Optional<List<Transaction>> getTransactionsWithoutCache() {
mark("getTransactions");
GetTransactionsRequest request = GetTransactionsRequest.newBuilder()
.setStartHeight(blockHeight)
.setEndHeight(blockHeight)
.build();
return get(() -> lightningStub.getTransactions(request));
return get(() -> lightningStub.getTransactions(GetTransactionsRequest.getDefaultInstance())
.getTransactionsList());
}
private Optional<PendingChannelsResponse> getPendingChannelsWithoutCache() {

28
grpc-adapter/src/main/java/de/cotto/lndmanagej/grpc/GrpcTransactions.java
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@@ -1,9 +1,9 @@
package de.cotto.lndmanagej.grpc;
import lnrpc.Transaction;
import lnrpc.TransactionDetails;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import java.util.stream.Collectors;
@@ -17,12 +17,24 @@ public class GrpcTransactions {
}
public Optional<Set<String>> getKnownTransactionHashesInBlock(int blockHeight) {
return grpcService.getTransactionsInBlock(blockHeight)
.map(TransactionDetails::getTransactionsList)
.map(transactions ->
transactions.stream()
.map(Transaction::getTxHash)
.collect(Collectors.toSet())
);
List<Transaction> transactionsInBlock = getTransactionsInBlock(blockHeight).orElse(null);
if (transactionsInBlock == null) {
return Optional.empty();
}
Set<String> hashes = transactionsInBlock.stream()
.map(Transaction::getTxHash)
.collect(Collectors.toSet());
return Optional.of(hashes);
}
public Optional<List<Transaction>> getTransactionsInBlock(int blockHeight) {
List<Transaction> transactions = grpcService.getTransactions().orElse(null);
if (transactions == null) {
return Optional.empty();
}
List<Transaction> filteredTransactions = transactions.stream()
.filter(transaction -> transaction.getBlockHeight() == blockHeight)
.collect(Collectors.toList());
return Optional.of(filteredTransactions);
}
}

38
grpc-adapter/src/test/java/de/cotto/lndmanagej/grpc/GrpcTransactionsTest.java
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@@ -1,19 +1,17 @@
package de.cotto.lndmanagej.grpc;
import lnrpc.Transaction;
import lnrpc.TransactionDetails;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import java.util.List;
import java.util.Optional;
import java.util.Set;
import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.ArgumentMatchers.anyInt;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@ExtendWith(MockitoExtension.class)
@@ -21,14 +19,10 @@ class GrpcTransactionsTest {
private static final int BLOCK_HEIGHT = 123_456;
private static final String HASH = "abc";
private static final String HASH_2 = "def";
private static final Transaction LND_TRANSACTION = Transaction.newBuilder().setTxHash(HASH).build();
private static final Transaction LND_TRANSACTION_2 = Transaction.newBuilder().setTxHash(HASH_2).build();
private static final TransactionDetails LND_TRANSACTION_DETAILS_EMPTY = TransactionDetails.newBuilder().build();
private static final TransactionDetails LND_TRANSACTION_DETAILS =
TransactionDetails.newBuilder()
.addTransactions(LND_TRANSACTION)
.addTransactions(LND_TRANSACTION_2)
.build();
private static final String HASH_3 = "ghi";
private static final Transaction LND_TRANSACTION = transaction(HASH, BLOCK_HEIGHT);
private static final Transaction LND_TRANSACTION_2 = transaction(HASH_2, BLOCK_HEIGHT);
private static final Transaction LND_TRANSACTION_WRONG_BLOCK = transaction(HASH_3, BLOCK_HEIGHT + 1);
@InjectMocks
private GrpcTransactions grpcTransactions;
@@ -37,25 +31,25 @@ class GrpcTransactionsTest {
private GrpcService grpcService;
@Test
void uses_block_height() {
grpcTransactions.getKnownTransactionHashesInBlock(BLOCK_HEIGHT);
verify(grpcService).getTransactionsInBlock(BLOCK_HEIGHT);
}
@Test
void empty_for_empty() {
void getKnownTransactionHashesInBlock_unknown() {
assertThat(grpcTransactions.getKnownTransactionHashesInBlock(BLOCK_HEIGHT)).isEmpty();
}
@Test
void empty_set() {
when(grpcService.getTransactionsInBlock(anyInt())).thenReturn(Optional.of(LND_TRANSACTION_DETAILS_EMPTY));
void getKnownTransactionHashesInBlock_empty() {
when(grpcService.getTransactions()).thenReturn(Optional.of(List.of()));
assertThat(grpcTransactions.getKnownTransactionHashesInBlock(BLOCK_HEIGHT)).contains(Set.of());
}
@Test
void contains_hash() {
when(grpcService.getTransactionsInBlock(anyInt())).thenReturn(Optional.of(LND_TRANSACTION_DETAILS));
void getKnownTransactionHashesInBlock() {
when(grpcService.getTransactions()).thenReturn(Optional.of(
List.of(LND_TRANSACTION, LND_TRANSACTION_2, LND_TRANSACTION_WRONG_BLOCK)
));
assertThat(grpcTransactions.getKnownTransactionHashesInBlock(BLOCK_HEIGHT)).contains(Set.of(HASH, HASH_2));
}
private static Transaction transaction(String hash, int blockHeight) {
return Transaction.newBuilder().setTxHash(hash).setBlockHeight(blockHeight).build();
}
}