Remove hello world crate

crates/CMakeLists.txt

@@ -101,8 +101,6 @@ function(add_xrpl_crate name)
     add_dependencies(xrpl_crates ${name}_cxxbridge)
 endfunction()
 
-add_xrpl_crate(rs_hello_world CRATE rs_hello_world FILES lib.rs)
-
 add_xrpl_crate(xrpl_wasm_vm_ffi CRATE xrpl_wasm_vm_ffi FILES lib.rs)
 
 # Test-only, and deliberately not part of xrpl_wasm_vm_ffi: it carries the `wat` assembler,

crates/Cargo.lock

@@ -223,13 +223,6 @@ dependencies = [
  "proc-macro2",
 ]
 
-[[package]]
-name = "rs-hello_world"
-version = "0.1.0"
-dependencies = [
- "cxx",
-]
-
 [[package]]
 name = "scratch"
 version = "1.0.9"

crates/Cargo.toml

@@ -1,6 +1,5 @@
 [workspace]
 members = [
-    "hello_world",
     "xrpl-wasm-vm-ffi",
     "xrpl-wasm-vm",
     "xrpl-wasm-testkit",

crates/hello_world/Cargo.toml

@@ -1,10 +0,0 @@
-[package]
-name = "rs-hello_world"
-version = "0.1.0"
-edition.workspace = true
-
-[lib]
-crate-type = ["staticlib"]
-
-[dependencies]
-cxx.workspace = true

crates/hello_world/src/lib.rs

@@ -1,10 +0,0 @@
-#[cxx::bridge(namespace = "rs::hello_world")]
-mod ffi {
-    extern "Rust" {
-        fn hello_world() -> String;
-    }
-}
-
-pub fn hello_world() -> String {
-    "hello_world".to_string()
-}

src/tests/libxrpl/CMakeLists.txt

@@ -23,10 +23,7 @@ set_target_properties(
 target_include_directories(xrpl_tests PRIVATE ${CMAKE_CURRENT_SOURCE_DIR})
 target_link_libraries(xrpl_tests PRIVATE GTest::gtest GTest::gmock xrpl.libxrpl)
 
-# Lets the wasm tests write their modules as WebAssembly text. Test-only by construction:
-# the assembler lives in a crate nothing in libxrpl or xrpld links (see crates/CMakeLists).
 target_link_libraries(xrpl_tests PRIVATE xrpl_wasm_testkit_cxxbridge)
-target_link_libraries(xrpl_tests PRIVATE rs_hello_world_cxxbridge)
 add_dependencies(xrpl_tests xrpl_crates)
 
 # One source subdirectory per module. Network unit tests are currently not

src/tests/libxrpl/basics/RustInterop.cpp

@@ -1,9 +0,0 @@
-#include <gtest/gtest.h>
-#include <rs_hello_world_cxxbridge/lib.h>
-
-#include <string>
-
-TEST(RustInteropTest, hello_world)
-{
-    EXPECT_EQ(std::string(rs::hello_world::hello_world()), "hello_world");
-}