Merge branch 'master' into fce_test

.circleci/config.yml

@@ -12,9 +12,9 @@ jobs:
           keys:
             - backendsdk01-{{ checksum "Cargo.toml" }}
       - run: | #TODO: enable 'stable' and 'beta' once `allocator_api` becomes stable
-          rustup toolchain install nightly-2020-04-20
-          rustup default nightly-2020-04-20
-          rustup override set nightly-2020-04-20
+          rustup toolchain install nightly-2021-02-27
+          rustup default nightly-2021-02-27
+          rustup override set nightly-2021-02-27
           rustup target add wasm32-unknown-unknown
           rustup component add rustfmt
           rustup component add clippy

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fluence"
-version = "0.4.2"  # remember to update html_root_url
+version = "0.5.0"  # remember to update html_root_url
 description = "Fluence backend SDK for developing backend applications for the Fluence network"
 documentation = "https://docs.rs/fluence/"
 repository = "https://github.com/fluencelabs/rust-sdk"
@@ -18,8 +18,8 @@ all-features = true
 path = "src/lib.rs"
 
 [dependencies]
-fluence-sdk-macro = { path = "crates/macro", version = "=0.4.2" }
-fluence-sdk-main = { path = "crates/main", version = "=0.4.2" }
+fluence-sdk-macro = { path = "crates/macro", version = "=0.5.0" }
+fluence-sdk-main = { path = "crates/main", version = "=0.5.0" }
 
 [features]
 # Print some internal logs by log_utf8_string

crates/macro/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fluence-sdk-macro"
-version = "0.4.2"  # remember to update html_root_url
+version = "0.5.0"  # remember to update html_root_url
 edition = "2018"
 description = "Definition of the `#[fce]` macro"
 documentation = "https://docs.rs/fluence/fluence-sdk-macro"
@@ -17,4 +17,4 @@ all-features = true
 proc-macro = true
 
 [dependencies]
-fluence-sdk-wit = { path = "../wit", version = "=0.4.2" }
+fluence-sdk-wit = { path = "../wit", version = "=0.5.0" }

crates/macro/src/lib.rs

@@ -50,7 +50,7 @@
 //!
 //! ```
 
-#![doc(html_root_url = "https://docs.rs/fluence-sdk-macro/0.4.2")]
+#![doc(html_root_url = "https://docs.rs/fluence-sdk-macro/0.5.0")]
 #![deny(
     dead_code,
     nonstandard_style,

crates/main/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fluence-sdk-main"
-version = "0.4.2"  # remember to update html_root_url
+version = "0.5.0"  # remember to update html_root_url
 edition = "2018"
 description = "Rust SDK for applications for the Fluence network"
 documentation = "https://docs.rs/fluence/fluence-sdk-macro"
@@ -18,7 +18,7 @@ path = "src/lib.rs"
 crate-type = ["rlib"]
 
 [dependencies]
-fluence-sdk-macro = { path = "../macro", version = "=0.4.2" }
+fluence-sdk-macro = { path = "../macro", version = "=0.5.0" }
 
 log = { version = "0.4.8", features = ["std"] }
 serde = "=1.0.118"

crates/main/src/lib.rs

@@ -19,7 +19,7 @@
 
 #![allow(clippy::missing_safety_doc)]
 #![allow(clippy::needless_doctest_main)]
-#![doc(html_root_url = "https://docs.rs/fluence-sdk-main/0.4.2")]
+#![doc(html_root_url = "https://docs.rs/fluence-sdk-main/0.5.0")]
 #![deny(
     dead_code,
     nonstandard_style,
@@ -35,8 +35,10 @@ mod call_parameters;
 mod export_allocator;
 #[cfg(any(feature = "debug", feature = "logger"))]
 mod logger;
+mod module_manifest;
 pub mod mounted_binary;
 mod result;
+mod sdk_version_embedder;
 
 pub use call_parameters::CallParameters;
 pub use call_parameters::SecurityTetraplet;
@@ -58,6 +60,9 @@ pub use result::get_result_size;
 pub use result::set_result_ptr;
 pub use result::set_result_size;
 
+pub use module_manifest::MANIFEST_SECTION_NAME;
+pub use sdk_version_embedder::VERSION_SECTION_NAME;
+
 #[allow(unused_variables)]
 pub(crate) fn log<S: AsRef<str>>(msg: S) {
     // logs will be printed only if debug feature is enabled

crates/main/src/module_manifest.rs

@@ -0,0 +1,88 @@
+/*
+ * Copyright 2020 Fluence Labs Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+// TODO: avoid duplication with the link_section when key-value attributes become stable
+pub const MANIFEST_SECTION_NAME: &str = "__fluence_wasm_module_manifest";
+
+#[macro_export]
+macro_rules! module_manifest {
+    ($authors:expr, $version:expr, $description:expr, $repository:expr) => {
+        const __FCE_SDK_AUTHORS_SIZE: usize = $authors.as_bytes().len();
+        const __FCE_SDK_VERSION_SIZE: usize = $version.as_bytes().len();
+        const __FCE_SDK_DESCRIPTION_SIZE: usize = $description.as_bytes().len();
+        const __FCE_SDK_REPOSITORY_SIZE: usize = $repository.as_bytes().len();
+        const __FCE_SDK_FIELD_PREFIX_SIZE: usize = std::mem::size_of::<u64>();
+
+        const __FCE_MANIFEST_SIZE: usize = __FCE_SDK_AUTHORS_SIZE
+            + __FCE_SDK_VERSION_SIZE
+            + __FCE_SDK_DESCRIPTION_SIZE
+            + __FCE_SDK_REPOSITORY_SIZE
+            + __FCE_SDK_FIELD_PREFIX_SIZE * 4;
+
+        const fn append_data(
+            mut manifest: [u8; __FCE_MANIFEST_SIZE],
+            data: &'static str,
+            offset: usize,
+        ) -> ([u8; __FCE_MANIFEST_SIZE], usize) {
+            let data_as_bytes = data.as_bytes();
+            let data_len = data_as_bytes.len();
+
+            // write data prefix with data size in LE
+            let data_len_u64 = data_len as u64;
+            let data_len_le_bytes = data_len_u64.to_le_bytes();
+            let mut byte_idx = 0;
+            while byte_idx < __FCE_SDK_FIELD_PREFIX_SIZE {
+                manifest[offset + byte_idx] = data_len_le_bytes[byte_idx];
+                byte_idx += 1;
+            }
+
+            // write data
+            let mut byte_idx = 0;
+            while byte_idx < data_len {
+                manifest[__FCE_SDK_FIELD_PREFIX_SIZE + offset + byte_idx] = data_as_bytes[byte_idx];
+                byte_idx += 1;
+            }
+
+            (manifest, offset + __FCE_SDK_FIELD_PREFIX_SIZE + data_len)
+        }
+
+        const fn generate_manifest() -> [u8; __FCE_MANIFEST_SIZE] {
+            let manifest: [u8; __FCE_MANIFEST_SIZE] = [0; __FCE_MANIFEST_SIZE];
+
+            let offset = 0;
+            let (manifest, offset) = append_data(manifest, $authors, offset);
+            let (manifest, offset) = append_data(manifest, $version, offset);
+            let (manifest, offset) = append_data(manifest, $description, offset);
+            let (manifest, _) = append_data(manifest, $repository, offset);
+
+            manifest
+        }
+
+        #[cfg(target_arch = "wasm32")]
+        #[link_section = "__fluence_wasm_module_manifest"]
+        #[doc(hidden)]
+        pub static __FCE_WASM_MODULE_MANIFEST: [u8; __FCE_MANIFEST_SIZE] = generate_manifest();
+    };
+
+    () => {
+        module_manifest!(
+            env!("CARGO_PKG_AUTHORS"),
+            env!("CARGO_PKG_VERSION"),
+            env!("CARGO_PKG_DESCRIPTION"),
+            env!("CARGO_PKG_REPOSITORY")
+        );
+    };
+}

crates/main/src/sdk_version_embedder.rs

@@ -0,0 +1,41 @@
+/*
+ * Copyright 2020 Fluence Labs Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#![allow(dead_code)]
+
+const PKG_VERSION: &str = env!("CARGO_PKG_VERSION");
+const VERSION_SIZE: usize = PKG_VERSION.len();
+
+const fn sdk_version() -> [u8; VERSION_SIZE] {
+    let version_as_slice = PKG_VERSION.as_bytes();
+
+    let mut version_as_array: [u8; VERSION_SIZE] = [0; VERSION_SIZE];
+    let mut byte_id = 0;
+    while byte_id < VERSION_SIZE {
+        version_as_array[byte_id] = version_as_slice[byte_id];
+        byte_id += 1;
+    }
+
+    version_as_array
+}
+
+// TODO: avoid duplication with the link_section when key-value attributes become stable
+pub const VERSION_SECTION_NAME: &str = "__fluence_sdk_version";
+
+#[cfg(target_arch = "wasm32")]
+#[link_section = "__fluence_sdk_version"]
+#[doc(hidden)]
+pub static __FCE_SDK_VERSION: [u8; VERSION_SIZE] = sdk_version();

crates/wit/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fluence-sdk-wit"
-version = "0.4.2"  # remember to update html_root_url
+version = "0.5.0"  # remember to update html_root_url
 edition = "2018"
 description = "Webassembly interface-types generator"
 documentation = "https://docs.rs/fluence/fluence-sdk-macro"

crates/wit/src/lib.rs

@@ -14,7 +14,7 @@
  * limitations under the License.
  */
 
-#![doc(html_root_url = "https://docs.rs/wit-support/0.4.2")]
+#![doc(html_root_url = "https://docs.rs/wit-support/0.5.0")]
 #![deny(
     dead_code,
     nonstandard_style,

src/lib.rs

@@ -55,7 +55,7 @@
 //!     pub fn curl_get(url: String) -> String;
 //! }
 //! ```
-#![doc(html_root_url = "https://docs.rs/fluence/0.4.2")]
+#![doc(html_root_url = "https://docs.rs/fluence/0.5.0")]
 #![deny(
     dead_code,
     nonstandard_style,
@@ -83,6 +83,8 @@ pub use fluence_sdk_main::mounted_binary::Result as MountedBinaryResult;
 pub use fluence_sdk_main::mounted_binary::StringResult as MountedBinaryStringResult;
 pub use fluence_sdk_main::mounted_binary::SUCCESS_CODE as BINARY_SUCCESS_CODE;
 
+pub use fluence_sdk_main::module_manifest;
+
 /// These API functions are intended for internal usage in generated code.
 /// Normally, you shouldn't use them.
 pub mod internal {