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get closed channels

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This commit is contained in:
Carsten Otto
2021-11-15 09:25:06 +01:00
parent 66a1f809d1
commit 9013d23feb
18 changed files with 287 additions and 110 deletions
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28
application/src/main/java/de/cotto/lndmanagej/controller/LegacyController.java
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@@ -4,7 +4,7 @@ import com.codahale.metrics.MetricRegistry;
import de.cotto.lndmanagej.metrics.Metrics;
import de.cotto.lndmanagej.model.Channel;
import de.cotto.lndmanagej.model.ChannelId;
import de.cotto.lndmanagej.model.LocalChannel;
import de.cotto.lndmanagej.model.LocalOpenChannel;
import de.cotto.lndmanagej.model.Pubkey;
import de.cotto.lndmanagej.service.BalanceService;
import de.cotto.lndmanagej.service.ChannelService;
@@ -83,22 +83,30 @@ public class LegacyController {
public String getOpenChannelIdsPretty() {
mark("getOpenChannelIdsPretty");
return channelService.getOpenChannels().stream()
.sorted(Comparator.comparing(LocalChannel::getId))
.map(localChannel -> {
Pubkey pubkey = localChannel.getRemotePubkey();
return localChannel.getId().getCompactForm() +
.sorted(Comparator.comparing(LocalOpenChannel::getId))
.map(localOpenChannel -> {
Pubkey pubkey = localOpenChannel.getRemotePubkey();
return localOpenChannel.getId().getCompactForm() +
"\t" + pubkey +
"\t" + localChannel.getCapacity() +
"\t" + localOpenChannel.getCapacity() +
"\t" + nodeService.getAlias(pubkey);
})
.collect(Collectors.joining(NEWLINE));
}
@GetMapping("/closed-channels")
public String getClosedChannelIds() {
mark("getClosedChannelIds");
return getClosedChannelIdsSorted()
.map(ChannelId::toString)
.collect(Collectors.joining(NEWLINE));
}
@GetMapping("/peer-pubkeys")
public String getPeerPubkeys() {
mark("getPeerPubkeys");
return channelService.getOpenChannels().stream()
.map(LocalChannel::getRemotePubkey)
.map(LocalOpenChannel::getRemotePubkey)
.map(Pubkey::toString)
.sorted()
.distinct()
@@ -165,6 +173,12 @@ public class LegacyController {
.sorted();
}
private Stream<ChannelId> getClosedChannelIdsSorted() {
return channelService.getClosedChannels().stream()
.map(Channel::getId)
.sorted();
}
private void mark(String name) {
metrics.mark(MetricRegistry.name(getClass(), name));
}

8
application/src/main/java/de/cotto/lndmanagej/service/BalanceService.java
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@@ -4,7 +4,7 @@ import de.cotto.lndmanagej.grpc.GrpcChannels;
import de.cotto.lndmanagej.model.BalanceInformation;
import de.cotto.lndmanagej.model.ChannelId;
import de.cotto.lndmanagej.model.Coins;
import de.cotto.lndmanagej.model.LocalChannel;
import de.cotto.lndmanagej.model.LocalOpenChannel;
import de.cotto.lndmanagej.model.Pubkey;
import org.springframework.stereotype.Component;
@@ -22,7 +22,7 @@ public class BalanceService {
public Coins getAvailableLocalBalance(Pubkey peer) {
return channelService.getOpenChannelsWith(peer).stream()
.map(LocalChannel::getId)
.map(LocalOpenChannel::getId)
.map(this::getAvailableLocalBalance)
.reduce(Coins.NONE, Coins::add);
}
@@ -35,7 +35,7 @@ public class BalanceService {
public Coins getAvailableRemoteBalance(Pubkey peer) {
return channelService.getOpenChannelsWith(peer).stream()
.map(LocalChannel::getId)
.map(LocalOpenChannel::getId)
.map(this::getAvailableRemoteBalance)
.reduce(Coins.NONE, Coins::add);
}
@@ -48,6 +48,6 @@ public class BalanceService {
private Optional<BalanceInformation> getBalanceInformation(ChannelId channelId) {
return grpcChannels.getChannel(channelId)
.map(LocalChannel::getBalanceInformation);
.map(LocalOpenChannel::getBalanceInformation);
}
}

20
application/src/main/java/de/cotto/lndmanagej/service/ChannelService.java
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@@ -3,7 +3,8 @@ package de.cotto.lndmanagej.service;
import com.google.common.cache.LoadingCache;
import de.cotto.lndmanagej.caching.CacheBuilder;
import de.cotto.lndmanagej.grpc.GrpcChannels;
import de.cotto.lndmanagej.model.LocalChannel;
import de.cotto.lndmanagej.model.ClosedChannel;
import de.cotto.lndmanagej.model.LocalOpenChannel;
import de.cotto.lndmanagej.model.Pubkey;
import org.springframework.stereotype.Component;
@@ -12,26 +13,31 @@ import java.util.stream.Collectors;
@Component
public class ChannelService {
private static final int MAXIMUM_SIZE = 500;
private static final int CACHE_EXPIRY_MINUTES = 1;
private final LoadingCache<Object, Set<LocalChannel>> channelsCache;
private final LoadingCache<Object, Set<LocalOpenChannel>> channelsCache;
private final LoadingCache<Object, Set<ClosedChannel>> closedChannelsCache;
public ChannelService(GrpcChannels grpcChannels) {
channelsCache = new CacheBuilder()
.withExpiryMinutes(CACHE_EXPIRY_MINUTES)
.withMaximumSize(MAXIMUM_SIZE)
.build(grpcChannels::getChannels);
closedChannelsCache = new CacheBuilder()
.withExpiryMinutes(CACHE_EXPIRY_MINUTES)
.build(grpcChannels::getClosedChannels);
}
public Set<LocalChannel> getOpenChannels() {
public Set<LocalOpenChannel> getOpenChannels() {
return channelsCache.getUnchecked("");
}
public Set<LocalChannel> getOpenChannelsWith(Pubkey peer) {
public Set<ClosedChannel> getClosedChannels() {
return closedChannelsCache.getUnchecked("");
}
public Set<LocalOpenChannel> getOpenChannelsWith(Pubkey peer) {
return getOpenChannels().stream()
.filter(c -> peer.equals(c.getRemotePubkey()))
.collect(Collectors.toSet());
}
}