chore(p2p): internalize libp2p v2.2.9 as a local p2p module

build.gradle

@@ -7,6 +7,17 @@ plugins {
 
 ext {
     grpcVersion = "1.83.0"
+    // Netty 4.2 split io.netty.handler.codec.protobuf out of netty-codec into its
+    // own artifact. Both :framework and :p2p put the varint32 framing codecs on
+    // their channel pipelines and so must declare it explicitly. Netty itself
+    // arrives transitively through grpc-netty, so this version has to move with
+    // grpcVersion above — keeping it here makes that coupling visible instead of
+    // leaving two literals to drift apart.
+    nettyVersion = "4.2.15.Final"
+    // Shared by :protocol and :p2p, which both generate from .proto files.
+    protobufVersion = "3.25.8"
+    // Shared by :framework, :plugins and :p2p.
+    checkstyleVersion = "8.7"
 }
 
 allprojects {

common/build.gradle

@@ -21,23 +21,7 @@ dependencies {
     api 'org.aspectj:aspectjrt:1.9.8'
     api 'org.aspectj:aspectjweaver:1.9.8'
     api 'org.aspectj:aspectjtools:1.9.8'
-    api group: 'io.github.tronprotocol', name: 'libp2p', version: '2.2.9',{
-        exclude group: 'io.grpc', module: 'grpc-context'
-        exclude group: 'io.grpc', module: 'grpc-core'
-        exclude group: 'io.grpc', module: 'grpc-netty'
-        exclude group: 'com.google.protobuf', module: 'protobuf-java'
-        exclude group: 'com.google.protobuf', module: 'protobuf-java-util'
-        // https://github.com/dom4j/dom4j/pull/116
-        // https://github.com/gradle/gradle/issues/13656
-        // https://github.com/dom4j/dom4j/issues/99
-        exclude group: 'jaxen', module: 'jaxen'
-        exclude group: 'javax.xml.stream', module: 'stax-api'
-        exclude group: 'net.java.dev.msv', module: 'xsdlib'
-        exclude group: 'pull-parser', module: 'pull-parser'
-        exclude group: 'xpp3', module: 'xpp3'
-        exclude group: 'org.bouncycastle', module: 'bcprov-jdk18on'
-        exclude group: 'org.bouncycastle', module: 'bcutil-jdk18on'
-    }
+    api project(":p2p")
     api project(":protocol")
     api project(":platform")
 }

framework/build.gradle

@@ -11,9 +11,7 @@ apply plugin: 'checkstyle'
 
 mainClassName = 'org.tron.program.FullNode'
 
-def versions = [
-        checkstyle: '8.7',
-]
+
 
 
 
@@ -40,7 +38,7 @@ dependencies {
     // end local libraries
     implementation group: 'com.beust', name: 'jcommander', version: '1.78'
     implementation group: 'io.dropwizard.metrics', name: 'metrics-core', version: '3.1.2'
-    implementation('io.netty:netty-codec-protobuf:4.2.15.Final') {
+    implementation("io.netty:netty-codec-protobuf:${rootProject.nettyVersion}") {
         exclude group: 'com.google.protobuf'
         exclude group: 'com.google.protobuf.nano'
     }
@@ -61,17 +59,28 @@ dependencies {
 
     testImplementation group: 'org.springframework', name: 'spring-test', version: "${springVersion}"
     testImplementation group: 'javax.portlet', name: 'portlet-api', version: '3.0.1'
+
     implementation group: 'org.zeromq', name: 'jeromq', version: '0.5.3'
     api project(":chainbase")
     api project(":protocol")
     api project(":actuator")
     api project(":consensus")
+    // org.tron.p2p is used directly in 17 files under src/main/java (org.tron.core.net
+    // and org.tron.core.config.args). It currently arrives only transitively, three
+    // hops away, because :common exposes it via `api project(":p2p")` -- and :common
+    // has to, since CommonParameter publishes P2pConfig/PublishConfig in its own API.
+    // Declare the direct use here as well, so framework keeps compiling if that
+    // transitive chain is ever narrowed. api, not implementation: framework does
+    // re-export p2p types -- P2pEventHandlerImpl extends org.tron.p2p.P2pEventHandler,
+    // HelloMessage.getFrom() returns org.tron.p2p.discover.Node, PeerManager takes
+    // org.tron.p2p.connection.Channel, Args.loadDnsPublishConfig returns PublishConfig.
+    api project(":p2p")
 }
 
 check.dependsOn 'lint'
 
 checkstyle {
-    toolVersion = "${versions.checkstyle}"
+    toolVersion = "${rootProject.checkstyleVersion}"
     configFile = file("config/checkstyle/checkStyleAll.xml")
     maxWarnings = 0
 }
@@ -187,8 +196,14 @@ def binaryRelease(taskName, jarName, mainClass) {
         }
 
         // explicit_dependency
+        // :p2p is included because :common now exposes it via `api project(":p2p")`,
+        // so p2p-1.0.0.jar is on runtimeClasspath and gets zipped into the fat jar.
+        // Without it Gradle reports an implicit_dependency and disables execution
+        // optimizations, and a parallel build could assemble FullNode.jar before
+        // :p2p:jar has been written.
         dependsOn (project(':actuator').jar, project(':consensus').jar, project(':chainbase').jar,
-                project(':crypto').jar, project(':common').jar, project(':protocol').jar, project(':platform').jar)
+                project(':crypto').jar, project(':common').jar, project(':protocol').jar,
+                project(':platform').jar, project(':p2p').jar)
 
         from {
             configurations.runtimeClasspath.collect {

gradle/verification-metadata.xml

@@ -448,6 +448,14 @@
             <sha256 value="afded6e6a690fbf3ad4ae65ada397f0a90a5f630b303d1b741b9c97926fdd4de" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.google.code.gson" name="gson" version="2.9.0">
+         <artifact name="gson-2.9.0.jar">
+            <sha256 value="c96d60551331a196dac54b745aa642cd078ef89b6f267146b705f2c2cbef052d" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="gson-2.9.0.pom">
+            <sha256 value="7190d0b07f278e9f4c603f44e543940f81cf1a2559f851c6f298c9bb2be2978c" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.google.code.gson" name="gson-parent" version="2.13.2">
          <artifact name="gson-parent-2.13.2.pom">
             <sha256 value="83ab528a9d50fd76aeb8ad6f727b3ee9cb766586255774ed16ca8c4c76d9dacd" origin="Generated by Gradle"/>
@@ -463,6 +471,11 @@
             <sha256 value="b16e026e63427c1972ad0fc68703ec379b1576e411ba49c32fa9a31ab0bbcffb" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="com.google.code.gson" name="gson-parent" version="2.9.0">
+         <artifact name="gson-parent-2.9.0.pom">
+            <sha256 value="af781c9a5766ffea311a0df0536576a64decc661aa110c4de5c73ac8bf434424" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="com.google.errorprone" name="error_prone_annotation" version="2.42.0">
          <artifact name="error_prone_annotation-2.42.0.jar">
             <sha256 value="e8ef6e0314bd0ab5595e4274b7cf78964c525685827ae5f4f3d0feffb4da5f11" origin="Generated by Gradle"/>
@@ -1985,6 +1998,14 @@
             <sha256 value="ce7abb4a91ba5d2a73fdf17a3df4762e3605a0392cc7983ef2f1ae16cd384cc3" origin="Generated by Gradle"/>
          </artifact>
       </component>
+      <component group="org.bouncycastle" name="bcutil-jdk18on" version="1.84">
+         <artifact name="bcutil-jdk18on-1.84.jar">
+            <sha256 value="b374e16963421fb9cfb01cc20d7ad8fd2f8b8188e3eef0ec0a8965e245f7619a" origin="Generated by Gradle"/>
+         </artifact>
+         <artifact name="bcutil-jdk18on-1.84.pom">
+            <sha256 value="0b0cb81a65ee1737d51286350a9e56489336b8f9908198febd0494243eea2978" origin="Generated by Gradle"/>
+         </artifact>
+      </component>
       <component group="org.checkerframework" name="checker-compat-qual" version="2.0.0">
          <artifact name="checker-compat-qual-2.0.0.jar">
             <sha256 value="a40b2ce6d8551e5b90b1bf637064303f32944d61b52ab2014e38699df573941b" origin="Generated by Gradle"/>

p2p/.gitignore

@@ -0,0 +1,2 @@
+# protobuf generated code (rebuilt by ./gradlew :p2p:generateProto)
+src/main/java/org/tron/p2p/protos/