Declare global protobuf-java in Java Platform Plugin

The constraints in the platform module apply to all libraries (including
to transitively included libraries).

build.gradle

@@ -130,6 +130,7 @@ configure(project(':common')) {
         "Implementation-Version": getHash())
 
     dependencies {
+        implementation enforcedPlatform(project(':platform'))
         implementation project(':proto')
         annotationProcessor libs.lombok
         compileOnly libs.javax.annotation
@@ -142,7 +143,6 @@ configure(project(':common')) {
             exclude(module: 'jsr305')
             exclude(module: 'okhttp')
             exclude(module: 'okio')
-            exclude(module: 'protobuf-java')
             exclude(module: 'slf4j-api')
         }
         implementation libs.google.findbugs
@@ -151,7 +151,6 @@ configure(project(':common')) {
         implementation(libs.google.guice) {
             exclude(module: 'guava')
         }
-        implementation libs.protobuf.java
         implementation libs.commons.io
         implementation libs.jopt
         implementation libs.apache.commons.lang3
@@ -176,12 +175,12 @@ configure(project(':p2p')) {
     }
 
     dependencies {
+        implementation enforcedPlatform(project(':platform'))
         implementation project(':proto')
         implementation project(':common')
         annotationProcessor libs.lombok
         compileOnly libs.lombok
         implementation libs.google.guava
-        implementation libs.protobuf.java
         implementation libs.fxmisc.easybind
         implementation libs.slf4j.api
         implementation(libs.netlayer.tor.external) {
@@ -196,7 +195,6 @@ configure(project(':p2p')) {
             exclude(module: 'jsr305')
             exclude(module: 'okhttp')
             exclude(module: 'okio')
-            exclude(module: 'protobuf-java')
             exclude(module: 'slf4j-api')
         }
         implementation(libs.google.guice) {
@@ -223,6 +221,7 @@ configure(project(':core')) {
     }
 
     dependencies {
+        implementation enforcedPlatform(project(':platform'))
         implementation project(':proto')
         implementation project(':assets')
         implementation project(':common')
@@ -237,7 +236,6 @@ configure(project(':core')) {
         implementation libs.google.findbugs
         implementation libs.google.gson
         implementation libs.google.guava
-        implementation libs.protobuf.java
         implementation libs.commons.codec
         implementation libs.commons.io
         implementation libs.jopt
@@ -261,7 +259,6 @@ configure(project(':core')) {
             exclude(module: 'jsr305')
             exclude(module: 'okhttp')
             exclude(module: 'okio')
-            exclude(module: 'protobuf-java')
             exclude(module: 'slf4j-api')
         }
         implementation(libs.jsonrpc4j) {
@@ -313,6 +310,7 @@ configure(project(':desktop')) {
     sourceSets.main.resources.srcDirs += ['src/main/java'] // to copy fxml and css files
 
     dependencies {
+        implementation enforcedPlatform(project(':platform'))
         implementation project(':assets')
         implementation project(':common')
         implementation project(':proto')
@@ -324,7 +322,6 @@ configure(project(':desktop')) {
         implementation libs.logback.core
         implementation libs.google.gson
         implementation libs.google.guava
-        implementation libs.protobuf.java
         implementation libs.jcsv
         implementation libs.jfoenix
         implementation libs.commons.io
@@ -343,7 +340,6 @@ configure(project(':desktop')) {
             exclude(module: 'jsr305')
             exclude(module: 'okhttp')
             exclude(module: 'okio')
-            exclude(module: 'protobuf-java')
             exclude(module: 'slf4j-api')
         }
         implementation(libs.google.guice) {
@@ -373,6 +369,7 @@ configure(project(':seednode')) {
     mainClassName = 'bisq.seednode.SeedNodeMain'
 
     dependencies {
+        implementation enforcedPlatform(project(':platform'))
         implementation project(':common')
         implementation project(':proto')
         implementation project(':p2p')
@@ -465,6 +462,7 @@ configure(project(':apitest')) {
     }
 
     dependencies {
+        implementation enforcedPlatform(project(':platform'))
         implementation project(':proto')
         implementation project(':common')
         implementation project(':core')
@@ -479,7 +477,6 @@ configure(project(':apitest')) {
         implementation libs.logback.core
         implementation libs.google.gson
         implementation libs.google.guava
-        implementation libs.protobuf.java
         implementation libs.jopt
         implementation libs.apache.commons.lang3
         implementation libs.slf4j.api
@@ -489,7 +486,6 @@ configure(project(':apitest')) {
             exclude(module: 'jsr305')
             exclude(module: 'okhttp')
             exclude(module: 'okio')
-            exclude(module: 'protobuf-java')
             exclude(module: 'slf4j-api')
         }
         implementation(libs.grpc.protobuf) {

platform/build.gradle

@@ -0,0 +1,9 @@
+plugins {
+    id 'java-platform'
+}
+
+dependencies {
+    constraints {
+        api libs.protobuf.java
+    }
+}

proto/build.gradle

@@ -5,6 +5,7 @@ plugins {
 apply plugin: 'com.google.protobuf'
 
 dependencies {
+    implementation enforcedPlatform(project(':platform'))
     annotationProcessor libs.lombok
     compileOnly libs.javax.annotation
     compileOnly libs.lombok

settings.gradle

@@ -16,5 +16,6 @@ include 'desktop'
 include 'seednode'
 include 'statsnode'
 include 'apitest'
+include 'platform'
 
 rootProject.name = 'bisq'