Add 'jrpc-echod' and 'walletd' to nix package

README.adoc

@@ -59,7 +59,13 @@ Although the API is changing, binary packages are available on https://gitlab.co
 
 === Nix Package
 
-An experimental Nix Package which includes the `jrpc` JSON-RPC tool is now available. You can install a native-image of the tool with Nix, via:
+An experimental Nix Package which includes:
+
+1. A natively-compiled binary `jrpc` JSON-RPC tool.
+2. A JVM-based `jrpc-echod` tool.
+3. A JVM-based `walletd` tool.
+
+You can install these tools with Nix, via:
 
 ----
 nix profile install github:ConsensusJ/consensusj#consensusj-tools
@@ -92,6 +98,7 @@ jrpc help              # Get RPC help from default server
 jrpc -c btcmain help   # Get RPC help from 'btcmain' in 'config.toml'
 ----
 
+The `jrpc-echod` and `walletd` tools do not currently have help and are mainly used for integration testing.
 
 ==== Maven
 
@@ -478,6 +485,11 @@ To build and run from Gradle:
 
     ./gradlew :consensusj-jrpc-echod:run
 
+To build an "installable" JVM application and run:
+
+    ./gradlew :consensusj-jrpc-echod:installDist
+    ./consensusj-jrpc-echod/build/install/jrpc-echod/bin/jrpc-echod
+
 To build a native image and run:
 
     ./gradlew :consensusj-jrpc-echod:nativeCompile
@@ -489,7 +501,9 @@ To build and run from Gradle:
 
     ./gradlew :cj-btc-walletd:run --args="-walletd.config.network-id=testnet"
 
-To build a native image and run:
+To build an "installable" JVM application and run:
+
+    ./gradlew :cj-btc-walletd:installDist
+    ./cj-btc-walletd/build/install/walletd/bin/walletd -walletd.config.network-id=testnet
 
-    ./gradlew :cj-btc-walletd:nativeCompile
-    ./cj-btc-walletd/build/native/nativeCompile/walletd -walletd.config.network-id=testnet
+(The native-image build of `walletd` is still in need of fine-tuning.)

cj-btc-walletd/build.gradle

@@ -54,6 +54,7 @@ dependencies {
 
 application {
     mainClass.set("org.consensusj.daemon.micronaut.Application")
+    applicationName = 'walletd'
 }
 
 dockerBuild {

flake.nix

@@ -50,7 +50,9 @@
             inherit system;
           };
           mainProgram = "jrpc";
-          jdk = pkgs.jdk25;
+          echodProgram = "jrpc-echod";
+          walletdProgram = "walletd";
+          jdk = pkgs.jdk25_headless;
           graalvm = pkgs.graalvmPackages.graalvm-ce;
           gradle = pkgs.gradle_9.override {
             java = jdk;  # Run Gradle with this JDK
@@ -76,7 +78,7 @@
             preBuild = ''
               export GRAALVM_HOME=${graalvm}
             '';
-            gradleBuildTask = "consensusj-jrpc:nativeCompile";
+            gradleBuildTask = "consensusj-jrpc:nativeCompile consensusj-jrpc-echod:installDist cj-btc-walletd:installDist";
 
             gradleFlags = [ "--info --stacktrace" ];
 
@@ -87,6 +89,22 @@
               mkdir -p $out/bin
               cp consensusj-jrpc/build/${mainProgram} $out/bin/${mainProgram}
               wrapProgram $out/bin/${mainProgram}
+
+              # Package `jrpc-echod` as JARs and a JDK
+              mkdir -p $out/{bin,share/${echodProgram}/lib}
+              cp consensusj-jrpc-echod/build/install/${echodProgram}/lib/*.jar $out/share/${echodProgram}/lib
+              # Compute CLASSPATH: all .jar files in $out/share/${echodProgram}/lib
+              export ECHOD_PATH=$(find $out/share/${echodProgram}/lib -name "*.jar" -printf ':%p' | sed 's|^:||')  # Colon-separated, no leading :
+              makeWrapper ${jdk}/bin/java $out/bin/${echodProgram} \
+                    --add-flags "-cp $ECHOD_PATH org.consensusj.jsonrpc.daemon.Application"
+
+              # Package `walletd` as JARs and a JDK
+              mkdir -p $out/{bin,share/${walletdProgram}/lib}
+              cp cj-btc-walletd/build/install/${walletdProgram}/lib/*.jar $out/share/${walletdProgram}/lib
+              # Compute CLASSPATH: all .jar files in $out/share/${walletdProgram}/lib
+              export WALLETD_PATH=$(find $out/share/${walletdProgram}/lib -name "*.jar" -printf ':%p' | sed 's|^:||')  # Colon-separated, no leading :
+              makeWrapper ${jdk}/bin/java $out/bin/${walletdProgram} \
+                    --add-flags "-cp $WALLETD_PATH org.consensusj.daemon.micronaut.Application"
             '';
           });
         in