Add wasmi recipe

.github/workflows/export.yml

@@ -41,6 +41,7 @@ jobs:
           conan export secp256k1/all --version=0.7.0
           conan export snappy/all --version=1.1.10
           conan export soci/all --version=4.0.3
+          conan export wasmi/all --version=0.42.1
           conan export wasm-xrplf/all --version=2.4.1-xrplf
       - name: Add Conan remote
         run: |

recipes/wasmi/all/conandata.yml

@@ -0,0 +1,11 @@
+# Do not update. Maintained by programmability team.
+
+sources:
+  "0.42.1":
+    url: https://github.com/wasmi-labs/wasmi/archive/refs/tags/v0.42.1.tar.gz
+    sha256: 2a5697be33c7afce8f671af4a5a3621d9e93ce55d253d31bd8201458e465fbb8
+patches:
+  "0.42.1":
+    - patch_file: "patches/0001-xrplf-0.42.1.patch"
+      patch_description: Integrate wasmi lib into smart-escrow.
+      patch_type: conan

recipes/wasmi/all/conanfile.py

@@ -0,0 +1,42 @@
+from conan import ConanFile, tools
+from conan.tools.cmake import CMake, CMakeToolchain, cmake_layout
+from conan.tools.files import apply_conandata_patches, export_conandata_patches, get
+import os
+
+required_conan_version = ">=2.0.0"
+
+class WasmiConan(ConanFile):
+    name = "wasmi"
+    license = "Apache License v2.0"
+    url = "https://github.com/wasmi-labs/wasmi.git"
+    description = "WebAssembly (Wasm) interpreter"
+    package_type = "library"
+    settings = "os", "arch", "compiler", "build_type"
+    options = {"shared": [False]}
+    default_options = {"shared": False}
+
+    def export_sources(self):
+        export_conandata_patches(self)
+
+    def layout(self):
+        cmake_layout(self, src_folder="src")
+
+    def source(self):
+        get(self, **self.conan_data["sources"][self.version], strip_root=True)
+        apply_conandata_patches(self)
+
+    def generate(self):
+        tc = CMakeToolchain(self)
+        tc.generate()
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure(build_script_folder=os.path.join(self.source_folder, "crates", "c_api"))
+        cmake.build()
+
+    def package(self):
+        cmake = CMake(self)
+        cmake.install()
+
+    def package_info(self):
+        self.cpp_info.libs = ["wasmi"]

recipes/wasmi/all/patches/0001-xrplf-0.42.1.patch

@@ -0,0 +1,287 @@
+diff --git a/crates/c_api/CMakeLists.txt b/crates/c_api/CMakeLists.txt
+index b15c787..54eaed2 100644
+--- a/crates/c_api/CMakeLists.txt
++++ b/crates/c_api/CMakeLists.txt
+@@ -6,6 +6,8 @@ option(BUILD_SHARED_LIBS "Build using shared libraries" OFF)
+ option(WASMI_ALWAYS_BUILD "If cmake should always invoke cargo to build Wasmi" ON)
+ set(WASMI_TARGET "" CACHE STRING "Rust target to build for")
+
++add_compile_definitions(COMPILING_WASM_RUNTIME_API=1)
++
+ if(NOT WASMI_TARGET)
+     execute_process(
+         COMMAND rustc -vV
+@@ -43,6 +45,10 @@ endif()
+ list(TRANSFORM WASMI_SHARED_FILES PREPEND ${WASMI_TARGET_DIR}/)
+ list(TRANSFORM WASMI_STATIC_FILES PREPEND ${WASMI_TARGET_DIR}/)
+
++if(NOT BUILD_SHARED_LIBS)
++  set(WASMI_SHARED_FILES)
++endif()
++
+ # Instructions on how to build and install the Wasmi Rust crate.
+ find_program(WASMI_CARGO_BINARY cargo REQUIRED)
+ include(ExternalProject)
+@@ -79,7 +85,6 @@ else()
+     target_link_libraries(wasmi INTERFACE ${WASMI_STATIC_FILES})
+
+     if(WASMI_TARGET MATCHES "windows")
+-        target_compile_options(wasmi INTERFACE -DWASM_API_EXTERN= -DWASI_API_EXTERN=)
+         target_link_libraries(wasmi INTERFACE ws2_32 advapi32 userenv ntdll shell32 ole32 bcrypt)
+     elseif(NOT WASMI_TARGET MATCHES "darwin")
+         target_link_libraries(wasmi INTERFACE pthread dl m)
+@@ -112,6 +117,7 @@ install(
+     DESTINATION ${CMAKE_INSTALL_LIBDIR}
+ )
+
++if(BUILD_SHARED_LIBS)
+ if(WASMI_TARGET MATCHES "darwin")
+     set(INSTALLED_LIB "${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_LIBDIR}/libwasmi.dylib")
+     install(
+@@ -131,6 +137,7 @@ if(WASMI_TARGET MATCHES "darwin")
+         install(CODE "execute_process(COMMAND ${install_name_tool_cmd})")
+     endif()
+ endif()
++endif()
+
+ # Documentation Generation via Doxygen:
+ set(DOXYGEN_CONF_IN ${CMAKE_CURRENT_SOURCE_DIR}/doxygen.conf.in)
+@@ -141,19 +148,3 @@ add_custom_target(doc
+     DEPENDS ${WASMI_GENERATED_CONF_H} ${DOXYGEN_CONF_OUT}
+     WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}
+ )
+-
+-# C-Header Formatting via clang-format:
+-find_program(CLANG_FORMAT clang-format REQUIRED)
+-file(GLOB_RECURSE HEADER_FILES
+-    ${CMAKE_CURRENT_SOURCE_DIR}/include/wasmi.h
+-    ${CMAKE_CURRENT_SOURCE_DIR}/include/wasmi/*.h
+-    ${CMAKE_CURRENT_SOURCE_DIR}/include/wasmi/*.hh
+-)
+-add_custom_target(check-format
+-    COMMAND ${CLANG_FORMAT} -style=llvm -Werror --dry-run ${HEADER_FILES}
+-    COMMENT "clang-format: Check formatting for Wasmi C-API header files"
+-)
+-add_custom_target(format
+-    COMMAND ${CLANG_FORMAT} -style=llvm -i ${HEADER_FILES}
+-    COMMENT "clang-format: Apply formatting rules for Wasmi C-API header files"
+-)
+diff --git a/crates/c_api/include/wasm.h b/crates/c_api/include/wasm.h
+index 5ee617f..a76f10e 100644
+--- a/crates/c_api/include/wasm.h
++++ b/crates/c_api/include/wasm.h
+@@ -13,11 +13,17 @@
+ #include <assert.h>
+
+ #ifndef WASM_API_EXTERN
+-#if defined(_WIN32) && !defined(__MINGW32__) && !defined(LIBWASM_STATIC)
++#if defined(_MSC_BUILD)
++#if defined(COMPILING_WASM_RUNTIME_API)
++#define WASM_API_EXTERN __declspec(dllexport)
++#elif defined(_DLL)
+ #define WASM_API_EXTERN __declspec(dllimport)
+ #else
+ #define WASM_API_EXTERN
+ #endif
++#else
++#define WASM_API_EXTERN
++#endif
+ #endif
+
+ #ifdef __cplusplus
+@@ -145,7 +151,13 @@ WASM_API_EXTERN own wasm_engine_t* wasm_engine_new_with_config(own wasm_config_t
+ WASM_DECLARE_OWN(store)
+
+ WASM_API_EXTERN own wasm_store_t* wasm_store_new(wasm_engine_t*);
++WASM_API_EXTERN own wasm_store_t* wasm_store_new_with_memory_max_pages(wasm_engine_t*, uint32_t max_pages);
++
++// Store fuel functions (forward declarations)
++struct wasmi_error;
+
++WASM_API_EXTERN struct wasmi_error* wasm_store_get_fuel(const wasm_store_t*, uint64_t* fuel);
++WASM_API_EXTERN struct wasmi_error* wasm_store_set_fuel(wasm_store_t*, uint64_t fuel);
+
+ ///////////////////////////////////////////////////////////////////////////////
+ // Type Representations
+diff --git a/crates/c_api/include/wasmi.h b/crates/c_api/include/wasmi.h
+index 2caffa3..0c0584e 100644
+--- a/crates/c_api/include/wasmi.h
++++ b/crates/c_api/include/wasmi.h
+@@ -10,7 +10,7 @@
+ /**
+  * \brief Wasmi version string.
+  */
+-#define WASMI_VERSION "0.35.0"
++#define WASMI_VERSION "0.42.1"
+ /**
+  * \brief Wasmi major version number.
+  */
+@@ -18,10 +18,10 @@
+ /**
+  * \brief Wasmi minor version number.
+  */
+-#define WASMI_VERSION_MINOR 35
++#define WASMI_VERSION_MINOR 42
+ /**
+  * \brief Wasmi patch version number.
+  */
+-#define WASMI_VERSION_PATCH 0
++#define WASMI_VERSION_PATCH 1
+
+ #endif // WASMI_H
+diff --git a/crates/c_api/src/store.rs b/crates/c_api/src/store.rs
+index 56d4898..9abda8e 100644
+--- a/crates/c_api/src/store.rs
++++ b/crates/c_api/src/store.rs
+@@ -1,7 +1,7 @@
+ use crate::{wasm_engine_t, wasmi_error_t, ForeignData};
+ use alloc::{boxed::Box, sync::Arc};
+ use core::{cell::UnsafeCell, ffi};
+-use wasmi::{AsContext, AsContextMut, Store, StoreContext, StoreContextMut};
++use wasmi::{AsContext, AsContextMut, Store, StoreContext, StoreContextMut, StoreLimits, StoreLimitsBuilder};
+
+ /// This representation of a `Store` is used to implement the `wasm.h` API (and
+ /// *not* the `wasmi.h` API!)
+@@ -16,7 +16,7 @@ use wasmi::{AsContext, AsContextMut, Store, StoreContext, StoreContextMut};
+ /// least Wasmi's implementation).
+ #[derive(Clone)]
+ pub struct WasmStoreRef {
+-    inner: Arc<UnsafeCell<Store<()>>>,
++    inner: Arc<UnsafeCell<Store<StoreLimits>>>,
+ }
+
+ impl WasmStoreRef {
+@@ -27,7 +27,7 @@ impl WasmStoreRef {
+     /// # Safety
+     ///
+     /// It is the callers responsibility to provide a valid `self`.
+-    pub unsafe fn context(&self) -> StoreContext<'_, ()> {
++    pub unsafe fn context(&self) -> StoreContext<'_, StoreLimits> {
+         (*self.inner.get()).as_context()
+     }
+
+@@ -38,7 +38,7 @@ impl WasmStoreRef {
+     /// # Safety
+     ///
+     /// It is the callers responsibility to provide a valid `self`.
+-    pub unsafe fn context_mut(&mut self) -> StoreContextMut<'_, ()> {
++    pub unsafe fn context_mut(&mut self) -> StoreContextMut<'_, StoreLimits> {
+         (*self.inner.get()).as_context_mut()
+     }
+ }
+@@ -56,17 +56,71 @@ pub struct wasm_store_t {
+
+ wasmi_c_api_macros::declare_own!(wasm_store_t);
+
+-/// Creates a new [`Store<()>`](wasmi::Store) for the given `engine`.
++/// Creates a new [`Store<StoreLimits>`](wasmi::Store) for the given `engine`.
++///
++/// The store is created with no resource limits (original behavior).
++/// For memory-limited stores, use [`wasm_store_new_with_memory_max_pages`].
+ ///
+ /// The returned [`wasm_store_t`] must be freed using [`wasm_store_delete`].
+ ///
+-/// Wraps [`<wasmi::Store<()>>::new`](wasmi::Store::new).
++/// Wraps [`<wasmi::Store<StoreLimits>>::new`](wasmi::Store::new).
+ #[cfg_attr(not(feature = "prefix-symbols"), no_mangle)]
+ #[allow(clippy::arc_with_non_send_sync)]
+ #[cfg_attr(feature = "prefix-symbols", wasmi_c_api_macros::prefix_symbol)]
+ pub extern "C" fn wasm_store_new(engine: &wasm_engine_t) -> Box<wasm_store_t> {
+     let engine = &engine.inner;
+-    let store = Store::new(engine, ());
++
++    // Create store with no resource limits (original behavior)
++    let limits = StoreLimitsBuilder::new().build();
++    let store = Store::new(engine, limits);
++
++    Box::new(wasm_store_t {
++        inner: WasmStoreRef {
++            inner: Arc::new(UnsafeCell::new(store)),
++        },
++    })
++}
++
++/// Creates a new [`Store<StoreLimits>`](wasmi::Store) for the given `engine` with memory limits.
++///
++/// This function creates a store with resource limits suitable for blockchain smart contracts.
++/// The memory limit is enforced during WebAssembly execution.
++///
++/// If `max_pages` exceeds 1024 (64MB), this function will panic.
++///
++/// The returned [`wasm_store_t`] must be freed using [`wasm_store_delete`].
++///
++/// Wraps [`<wasmi::Store<StoreLimits>>::new`](wasmi::Store::new).
++#[cfg_attr(not(feature = "prefix-symbols"), no_mangle)]
++#[allow(clippy::arc_with_non_send_sync)]
++#[cfg_attr(feature = "prefix-symbols", wasmi_c_api_macros::prefix_symbol)]
++pub extern "C" fn wasm_store_new_with_memory_max_pages(
++    engine: &wasm_engine_t,
++    max_pages: u32,
++) -> Box<wasm_store_t> {
++    // Validate max_pages limit (64MB = 1024 pages)
++    if max_pages > 1024 {
++        panic!("max_pages ({}) exceeds maximum allowed value of 1024 pages (64MB)", max_pages);
++    }
++
++    // Convert pages to bytes (each page is 64KB)
++    let max_memory_bytes = (max_pages as usize) * (64 * 1024);
++
++    // Create store limits with blockchain-suitable defaults
++    let limits = StoreLimitsBuilder::new()
++        .memory_size(max_memory_bytes) // User-specified memory limit
++        .instances(1) // Single instance for blockchain
++        .tables(1) // Single table for blockchain
++        .memories(1) // Single memory for blockchain
++        .table_elements(64) // Limited table elements for blockchain
++        .trap_on_grow_failure(false) // Return -1 on growth failure instead of trapping
++        .build();
++
++    let mut store = Store::new(&engine.inner, limits);
++
++    // Install the resource limiter
++    store.limiter(|limits| limits);
++
+     Box::new(wasm_store_t {
+         inner: WasmStoreRef {
+             inner: Arc::new(UnsafeCell::new(store)),
+@@ -175,3 +229,40 @@ pub extern "C" fn wasmi_context_set_fuel(
+ ) -> Option<Box<wasmi_error_t>> {
+     crate::handle_result(store.set_fuel(fuel), |()| {})
+ }
++
++////////////////////////////////////////////////////////////////////////////////////////
++////////////////////////////////////////////////////////////////////////////////////////
++
++/// Returns the current fuel of the wasm store context in `fuel`.
++///
++/// Wraps [`Store::get_fuel`].
++///
++/// # Errors
++///
++/// If [`Store::get_fuel`] errors.
++#[no_mangle]
++pub extern "C" fn wasm_store_get_fuel(
++    store: &wasm_store_t,
++    fuel: &mut u64,
++) -> Option<Box<wasmi_error_t>> {
++    let context = unsafe { store.inner.context() };
++    crate::handle_result(context.get_fuel(), |amt| {
++        *fuel = amt;
++    })
++}
++
++/// Sets the current fuel of the wasm store context to `fuel`.
++///
++/// Wraps [`Store::set_fuel`].
++///
++/// # Errors
++///
++/// If [`Store::set_fuel`] errors.
++#[no_mangle]
++pub extern "C" fn wasm_store_set_fuel(
++    store: &mut wasm_store_t,
++    fuel: u64,
++) -> Option<Box<wasmi_error_t>> {
++    let mut context = unsafe { store.inner.context_mut() };
++    crate::handle_result(context.set_fuel(fuel), |()| {})
++}

recipes/wasmi/config.yml

@@ -0,0 +1,3 @@
+versions:
+  "0.42.1":
+    folder: all