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https://github.com/PaperMC/Waterfall.git
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25ecd402f3
Upstream has released updates that appear to apply and compile correctly. This update has not been tested by PaperMC and as with ANY update, please do your own testing BungeeCord Changes: 1a807731 #3567: Bump org.apache.maven.plugins:maven-javadoc-plugin from 3.6.2 to 3.6.3 772ad995 #3566: Bump actions/setup-java from 3 to 4 2431c40a #3562: Bump io.netty:netty-bom from 4.1.100.Final to 4.1.101.Final 8144ae8d #3555: Bump com.mysql:mysql-connector-j from 8.1.0 to 8.2.0 0757c39a Attempt upgrade of resolver libraries
180 lines
7.9 KiB
Diff
180 lines
7.9 KiB
Diff
From 8710865be33599b4d0212dcedd6587a601ac6d9d Mon Sep 17 00:00:00 2001
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From: Tux <write@imaginarycode.com>
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Date: Wed, 21 Dec 2016 03:13:03 -0500
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Subject: [PATCH] Optionally use async Netty DNS resolver
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We no longer need to cache the address for the session server now.
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diff --git a/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java b/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
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index 749059ab..6141128b 100644
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--- a/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
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+++ b/api/src/main/java/net/md_5/bungee/api/ProxyConfig.java
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@@ -221,6 +221,13 @@ public interface ProxyConfig
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*/
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String getGameVersion();
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+ /**
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+ * Whether Netty's async DNS resolver is used for account authentication.
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+ *
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+ * @return whether Netty's async DNS resolver is used for account authentication.
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+ */
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+ boolean isUseNettyDnsResolver();
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+
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// Throttling options
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/**
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diff --git a/proxy/pom.xml b/proxy/pom.xml
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index fe1506e4..18a5c526 100644
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--- a/proxy/pom.xml
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+++ b/proxy/pom.xml
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@@ -34,6 +34,18 @@
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<artifactId>netty-codec-http</artifactId>
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<scope>compile</scope>
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</dependency>
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+ <!-- Waterfall Start - add Netty DNS resolver -->
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+ <dependency>
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+ <groupId>io.netty</groupId>
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+ <artifactId>netty-resolver-dns</artifactId>
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+ <scope>compile</scope>
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+ </dependency>
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+ <dependency>
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+ <groupId>io.netty</groupId>
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+ <artifactId>netty-resolver-dns-native-macos</artifactId>
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+ <classifier>osx-x86_64</classifier>
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+ </dependency>
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+ <!-- Waterfall End -->
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<dependency>
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<groupId>io.netty</groupId>
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<artifactId>netty-handler</artifactId>
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diff --git a/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java b/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
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index 111404fb..ef44d334 100644
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--- a/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
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+++ b/proxy/src/main/java/io/github/waterfallmc/waterfall/conf/WaterfallConfiguration.java
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@@ -15,6 +15,12 @@ public class WaterfallConfiguration extends Configuration {
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*/
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private String gameVersion;
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+ /**
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+ * Whether we use Netty's async DNS resolver for the HttpClient.
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+ * <p>Default is true (use Netty's async DNS resolver)</p>
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+ */
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+ private boolean useNettyDnsResolver = true;
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+
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/*
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* Throttling options
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* Helps prevent players from overloading the servers behind us
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@@ -35,6 +41,7 @@ public class WaterfallConfiguration extends Configuration {
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YamlConfig config = new YamlConfig(new File("waterfall.yml"));
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config.load(false); // Load, but no permissions
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gameVersion = config.getString("game_version", "").isEmpty() ? Joiner.on(", ").join(ProtocolConstants.SUPPORTED_VERSIONS) : config.getString("game_version", "");
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+ useNettyDnsResolver = config.getBoolean("use_netty_dns_resolver", useNettyDnsResolver);
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// Throttling options
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tabThrottle = config.getInt("throttling.tab_complete", tabThrottle);
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disableModernTabLimiter = config.getBoolean("disable_modern_tab_limiter", disableModernTabLimiter);
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@@ -45,6 +52,11 @@ public class WaterfallConfiguration extends Configuration {
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return gameVersion;
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}
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+ @Override
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+ public boolean isUseNettyDnsResolver() {
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+ return useNettyDnsResolver;
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+ }
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+
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@Override
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public int getTabThrottle() {
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return tabThrottle;
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diff --git a/proxy/src/main/java/net/md_5/bungee/http/HttpClient.java b/proxy/src/main/java/net/md_5/bungee/http/HttpClient.java
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index e0c52f21..37337429 100644
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--- a/proxy/src/main/java/net/md_5/bungee/http/HttpClient.java
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+++ b/proxy/src/main/java/net/md_5/bungee/http/HttpClient.java
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@@ -28,6 +28,10 @@ public class HttpClient
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public static final int TIMEOUT = 5000;
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private static final Cache<String, InetAddress> addressCache = CacheBuilder.newBuilder().expireAfterWrite( 1, TimeUnit.MINUTES ).build();
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+ // Waterfall Start - optionally use async resolver from Netty
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+ private static final io.netty.resolver.dns.DnsAddressResolverGroup dnsResolverGroup =
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+ new io.netty.resolver.dns.DnsAddressResolverGroup(PipelineUtils.getDatagramChannel(), io.netty.resolver.dns.DefaultDnsServerAddressStreamProvider.INSTANCE);
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+ // Waterfall End
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@SuppressWarnings("UnusedAssignment")
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public static void get(String url, EventLoop eventLoop, final Callback<String> callback)
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@@ -57,19 +61,21 @@ public class HttpClient
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}
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}
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- InetAddress inetHost = addressCache.getIfPresent( uri.getHost() );
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- if ( inetHost == null )
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- {
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- try
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- {
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- inetHost = InetAddress.getByName( uri.getHost() );
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- } catch ( UnknownHostException ex )
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- {
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- callback.done( null, ex );
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- return;
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- }
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- addressCache.put( uri.getHost(), inetHost );
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- }
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+ // Waterfall Start - Move address creation to implementation method
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+ //InetAddress inetHost = addressCache.getIfPresent( uri.getHost() );
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+ //if ( inetHost == null )
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+ //{
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+ // try
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+ // {
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+ // inetHost = InetAddress.getByName( uri.getHost() );
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+ // } catch ( UnknownHostException ex )
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+ // {
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+ // callback.done( null, ex );
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+ // return;
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+ // }
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+ // addressCache.put( uri.getHost(), inetHost );
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+ //}
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+ // Waterfall End
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ChannelFutureListener future = new ChannelFutureListener()
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{
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@@ -92,7 +98,40 @@ public class HttpClient
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}
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};
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+
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+ // Waterfall Start - Optionally use Netty's async DNS Resolver
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+ if (net.md_5.bungee.api.ProxyServer.getInstance().getConfig().isUseNettyDnsResolver()) {
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+ getWithNettyResolver(eventLoop, uri, port, future, callback, ssl);
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+ } else {
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+ getWithDefaultResolver(eventLoop, uri, port, future, callback, ssl);
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+ }
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+ //new Bootstrap().channel( PipelineUtils.getChannel() ).group( eventLoop ).handler( new HttpInitializer( callback, ssl, uri.getHost(), port ) ).
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+ // option( ChannelOption.CONNECT_TIMEOUT_MILLIS, TIMEOUT ).remoteAddress( inetHost, port ).connect().addListener( future );
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+ }
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+
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+ private static void getWithNettyResolver(EventLoop eventLoop, URI uri, int port, ChannelFutureListener future, Callback<String> callback, boolean ssl) {
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+ java.net.InetSocketAddress address = java.net.InetSocketAddress.createUnresolved(uri.getHost(), port);
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+ new Bootstrap().channel( PipelineUtils.getChannel( null ) ).group( eventLoop ).handler( new HttpInitializer( callback, ssl, uri.getHost(), port ) ).
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+ option( ChannelOption.CONNECT_TIMEOUT_MILLIS, TIMEOUT ).resolver(dnsResolverGroup).remoteAddress( address ).connect().addListener( future );
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+ }
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+
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+ private static void getWithDefaultResolver(EventLoop eventLoop, URI uri, int port, ChannelFutureListener future, Callback<String> callback, boolean ssl) {
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+ // This is identical to the Bungee implementation of #get other than the absence of the ChannelFutureListener creation
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+ InetAddress inetHost = addressCache.getIfPresent( uri.getHost() );
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+ if ( inetHost == null )
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+ {
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+ try
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+ {
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+ inetHost = InetAddress.getByName( uri.getHost() );
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+ } catch ( UnknownHostException ex )
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+ {
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+ callback.done( null, ex );
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+ return;
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+ }
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+ addressCache.put( uri.getHost(), inetHost );
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+ }
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new Bootstrap().channel( PipelineUtils.getChannel( null ) ).group( eventLoop ).handler( new HttpInitializer( callback, ssl, uri.getHost(), port ) ).
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option( ChannelOption.CONNECT_TIMEOUT_MILLIS, TIMEOUT ).remoteAddress( inetHost, port ).connect().addListener( future );
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}
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+ // Waterfall End
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}
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--
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2.43.0
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