From 3d267b09062d5e3c27ab78b7cfaeae923d67bf95 Mon Sep 17 00:00:00 2001
From: boneyard93501 <4523011+boneyard93501@users.noreply.github.com>
Date: Fri, 30 Apr 2021 02:57:54 -0500
Subject: [PATCH] update to marine 0.6.2, remove unsafe

---
 url-downloader/curl_adapter/Cargo.lock   | 105 +++++++++++++++++++---
 url-downloader/curl_adapter/Cargo.toml   |   2 +-
 url-downloader/curl_adapter/src/main.rs  |  26 +++---
 url-downloader/facade/Cargo.lock         | 109 ++++++++++++++++++++---
 url-downloader/facade/Cargo.toml         |   4 +-
 url-downloader/facade/src/main.rs        |  30 +++----
 url-downloader/local_storage/Cargo.lock  | 105 +++++++++++++++++++---
 url-downloader/local_storage/Cargo.toml  |   2 +-
 url-downloader/local_storage/src/main.rs |  27 +++---
 9 files changed, 325 insertions(+), 85 deletions(-)

diff --git a/url-downloader/curl_adapter/Cargo.lock b/url-downloader/curl_adapter/Cargo.lock
index 4990c32..4dae181 100644
--- a/url-downloader/curl_adapter/Cargo.lock
+++ b/url-downloader/curl_adapter/Cargo.lock
@@ -1,11 +1,30 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "time",
+ "winapi",
+]
+
 [[package]]
 name = "curl_adapter"
 version = "0.1.0"
@@ -15,29 +34,41 @@ dependencies = [
 ]
 
 [[package]]
-name = "fluence"
-version = "0.5.0"
+name = "fce-timestamp-macro"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "342831732a977f13220ecd6f25c7e6b6127af8d3794d42e3c880b05e457a0484"
+checksum = "3c59a6302902583b2c84e87de9d72b949da4396a369baf0aaa49e97021600bb0"
 dependencies = [
+ "chrono",
+ "quote",
+]
+
+[[package]]
+name = "fluence"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b731bd4a69a3945186f2ff96ff753908939c8a2debd60e1f0e8edb6a28757f8"
+dependencies = [
+ "fce-timestamp-macro",
  "fluence-sdk-macro",
  "fluence-sdk-main",
+ "serde",
 ]
 
 [[package]]
 name = "fluence-sdk-macro"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00c840552e5e58b62d4a272e3e4aabd548e1a4519df629a51d42157c7ecbe653"
+checksum = "cb43d2f51f1becb70e2125ef8ca9759597900f95cc22ce7dca981a7d6ccd7dde"
 dependencies = [
  "fluence-sdk-wit",
 ]
 
 [[package]]
 name = "fluence-sdk-main"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f1d126f05a798c8f812fbe47a42145478ce8029e00411b04d1c5194ab368313"
+checksum = "a78910d85e3cdcb9c2baf56144f20a99925c67ac445d4156220c005bfd2f9604"
 dependencies = [
  "fluence-sdk-macro",
  "log",
@@ -46,9 +77,9 @@ dependencies = [
 
 [[package]]
 name = "fluence-sdk-wit"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ac71e8d48a8e2bdaccf59572dc7a8e8a1ad0de512fc452107756e37ac0bf752"
+checksum = "eab3ed39703b72e0e52bce9e1760746c73f65a5694c8da4dec751d3bfdec15b8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -90,6 +121,25 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
@@ -156,6 +206,17 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi",
+ "winapi",
+]
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -173,6 +234,28 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
+version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/url-downloader/curl_adapter/Cargo.toml b/url-downloader/curl_adapter/Cargo.toml
index 5080e66..c171ec2 100644
--- a/url-downloader/curl_adapter/Cargo.toml
+++ b/url-downloader/curl_adapter/Cargo.toml
@@ -10,5 +10,5 @@ path = "src/main.rs"
 name = "curl_adapter"
 
 [dependencies]
-fluence = { version = "=0.5.0", features = ["logger"] }
+fluence = { version = "=0.6.2", features = ["logger"] }
 log = "0.4.8"
diff --git a/url-downloader/curl_adapter/src/main.rs b/url-downloader/curl_adapter/src/main.rs
index 5903153..d0ac982 100644
--- a/url-downloader/curl_adapter/src/main.rs
+++ b/url-downloader/curl_adapter/src/main.rs
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Fluence Labs Limited
+ * Copyright 2021 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.
@@ -17,10 +17,12 @@
 #![allow(improper_ctypes)]
 
 use fluence::fce;
+use fluence::module_manifest;
 
+use fluence::MountedBinaryResult;
 use fluence::WasmLoggerBuilder;
-use fluence::MountedBinaryResult as Result;
-use fluence::MountedBinaryStringResult as StringResult;
+
+module_manifest!();
 
 /// Log level can be changed by `RUST_LOG` env as well.
 pub fn main() {
@@ -28,21 +30,17 @@ pub fn main() {
 }
 
 #[fce]
-pub fn request(url: String) -> StringResult {
-    unsafe { curl(vec![url]) }.stringify().unwrap()
+pub fn download(url: String) -> String {
+    log::info!("download called with url {}\n", url);
+
+    let result = curl(vec![url]);
+
+    String::from_utf8(result.stdout).unwrap()
 }
 
-#[fce]
-pub fn download(url: String) -> Result {
-    log::info!("download called with url {}", url);
-
-    unsafe { curl(vec![url]) }
-}
-
-
 /// Permissions in `Config.toml` should exist to use host functions.
 #[fce]
 #[link(wasm_import_module = "host")]
 extern "C" {
-    fn curl(cmd: Vec<String>) -> Result;
+    fn curl(cmd: Vec<String>) -> MountedBinaryResult;
 }
diff --git a/url-downloader/facade/Cargo.lock b/url-downloader/facade/Cargo.lock
index d98a1f5..fc200b2 100644
--- a/url-downloader/facade/Cargo.lock
+++ b/url-downloader/facade/Cargo.lock
@@ -2,9 +2,15 @@
 # It is not intended for manual editing.
 [[package]]
 name = "anyhow"
-version = "1.0.38"
+version = "1.0.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "afddf7f520a80dbf76e6f50a35bca42a2331ef227a28b3b6dc5c2e2338d114b1"
+checksum = "28b2cd92db5cbd74e8e5028f7e27dd7aa3090e89e4f2a197cc7c8dfb69c7063b"
+
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "base64"
@@ -18,6 +24,19 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
+[[package]]
+name = "chrono"
+version = "0.4.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
+dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "time",
+ "winapi",
+]
+
 [[package]]
 name = "facade"
 version = "0.1.0"
@@ -29,29 +48,41 @@ dependencies = [
 ]
 
 [[package]]
-name = "fluence"
-version = "0.5.0"
+name = "fce-timestamp-macro"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "342831732a977f13220ecd6f25c7e6b6127af8d3794d42e3c880b05e457a0484"
+checksum = "3c59a6302902583b2c84e87de9d72b949da4396a369baf0aaa49e97021600bb0"
 dependencies = [
+ "chrono",
+ "quote",
+]
+
+[[package]]
+name = "fluence"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b731bd4a69a3945186f2ff96ff753908939c8a2debd60e1f0e8edb6a28757f8"
+dependencies = [
+ "fce-timestamp-macro",
  "fluence-sdk-macro",
  "fluence-sdk-main",
+ "serde",
 ]
 
 [[package]]
 name = "fluence-sdk-macro"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00c840552e5e58b62d4a272e3e4aabd548e1a4519df629a51d42157c7ecbe653"
+checksum = "cb43d2f51f1becb70e2125ef8ca9759597900f95cc22ce7dca981a7d6ccd7dde"
 dependencies = [
  "fluence-sdk-wit",
 ]
 
 [[package]]
 name = "fluence-sdk-main"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f1d126f05a798c8f812fbe47a42145478ce8029e00411b04d1c5194ab368313"
+checksum = "a78910d85e3cdcb9c2baf56144f20a99925c67ac445d4156220c005bfd2f9604"
 dependencies = [
  "fluence-sdk-macro",
  "log",
@@ -60,9 +91,9 @@ dependencies = [
 
 [[package]]
 name = "fluence-sdk-wit"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ac71e8d48a8e2bdaccf59572dc7a8e8a1ad0de512fc452107756e37ac0bf752"
+checksum = "eab3ed39703b72e0e52bce9e1760746c73f65a5694c8da4dec751d3bfdec15b8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -104,6 +135,25 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
@@ -170,6 +220,17 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi",
+ "winapi",
+]
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -187,6 +248,28 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
+version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/url-downloader/facade/Cargo.toml b/url-downloader/facade/Cargo.toml
index 7c71f24..22763ab 100644
--- a/url-downloader/facade/Cargo.toml
+++ b/url-downloader/facade/Cargo.toml
@@ -10,7 +10,7 @@ name = "facade"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.5.0", features = ["logger"]}
-anyhow = "1.0.31"
+fluence = { version = "=0.6.2", features = ["logger"]}
+anyhow = "1.0.40"
 log = "0.4.8"
 base64 = "0.13.0"
diff --git a/url-downloader/facade/src/main.rs b/url-downloader/facade/src/main.rs
index 4f2eb8c..8bda74e 100644
--- a/url-downloader/facade/src/main.rs
+++ b/url-downloader/facade/src/main.rs
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Fluence Labs Limited
+ * Copyright 2021 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.
@@ -18,7 +18,6 @@
 use fluence::fce;
 use fluence::module_manifest;
 use fluence::WasmLoggerBuilder;
-use fluence::MountedBinaryResult as Result;
 
 module_manifest!();
 
@@ -30,31 +29,22 @@ pub fn main() {
 /// Calls `curl` and stores returned result into a file.
 #[fce]
 pub fn get_n_save(url: String, file_name: String) -> String {
-    let result = unsafe { download(url) };
-    if result.is_success() {
-        log::info!("saving file {}", file_name);
-        unsafe { file_put(file_name, result.stdout) }
-    } else {
-        log::error!("download failed: {:#?}", result.as_std());
-        format!("download failed: {:#?}", result.as_std())
-    }
+    log::info!("get_n_save called with {} {}\n", url, file_name);
+
+    let result = download(url);
+    file_put(file_name, result.into_bytes());
+
+    String::from("Ok")
 }
 
-#[fce]
-/// Loads file from disk and returns its content as base64
-pub fn load_file(file_name: String) -> String {
-    let bytes = unsafe { file_get(file_name) };
-    base64::encode(bytes)
-}
-
-/// Import `curl_adapter` module
+/// Importing `curl` module
 #[fce]
 #[link(wasm_import_module = "curl_adapter")]
 extern "C" {
-    pub fn download(url: String) -> Result;
+    pub fn download(url: String) -> String;
 }
 
-/// Import `local_storage` module
+/// Importing `local_storage` module
 #[fce]
 #[link(wasm_import_module = "local_storage")]
 extern "C" {
diff --git a/url-downloader/local_storage/Cargo.lock b/url-downloader/local_storage/Cargo.lock
index 179a920..5ccd9d3 100644
--- a/url-downloader/local_storage/Cargo.lock
+++ b/url-downloader/local_storage/Cargo.lock
@@ -1,5 +1,11 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+[[package]]
+name = "autocfg"
+version = "1.0.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -7,29 +13,54 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
 [[package]]
-name = "fluence"
-version = "0.5.0"
+name = "chrono"
+version = "0.4.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "342831732a977f13220ecd6f25c7e6b6127af8d3794d42e3c880b05e457a0484"
+checksum = "670ad68c9088c2a963aaa298cb369688cf3f9465ce5e2d4ca10e6e0098a1ce73"
 dependencies = [
+ "libc",
+ "num-integer",
+ "num-traits",
+ "time",
+ "winapi",
+]
+
+[[package]]
+name = "fce-timestamp-macro"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3c59a6302902583b2c84e87de9d72b949da4396a369baf0aaa49e97021600bb0"
+dependencies = [
+ "chrono",
+ "quote",
+]
+
+[[package]]
+name = "fluence"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b731bd4a69a3945186f2ff96ff753908939c8a2debd60e1f0e8edb6a28757f8"
+dependencies = [
+ "fce-timestamp-macro",
  "fluence-sdk-macro",
  "fluence-sdk-main",
+ "serde",
 ]
 
 [[package]]
 name = "fluence-sdk-macro"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "00c840552e5e58b62d4a272e3e4aabd548e1a4519df629a51d42157c7ecbe653"
+checksum = "cb43d2f51f1becb70e2125ef8ca9759597900f95cc22ce7dca981a7d6ccd7dde"
 dependencies = [
  "fluence-sdk-wit",
 ]
 
 [[package]]
 name = "fluence-sdk-main"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1f1d126f05a798c8f812fbe47a42145478ce8029e00411b04d1c5194ab368313"
+checksum = "a78910d85e3cdcb9c2baf56144f20a99925c67ac445d4156220c005bfd2f9604"
 dependencies = [
  "fluence-sdk-macro",
  "log",
@@ -38,9 +69,9 @@ dependencies = [
 
 [[package]]
 name = "fluence-sdk-wit"
-version = "0.5.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ac71e8d48a8e2bdaccf59572dc7a8e8a1ad0de512fc452107756e37ac0bf752"
+checksum = "eab3ed39703b72e0e52bce9e1760746c73f65a5694c8da4dec751d3bfdec15b8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -90,6 +121,25 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "num-integer"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
+dependencies = [
+ "autocfg",
+ "num-traits",
+]
+
+[[package]]
+name = "num-traits"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
+dependencies = [
+ "autocfg",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
@@ -156,6 +206,17 @@ dependencies = [
  "unicode-xid",
 ]
 
+[[package]]
+name = "time"
+version = "0.1.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+dependencies = [
+ "libc",
+ "wasi",
+ "winapi",
+]
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -173,6 +234,28 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.10.2+wasi-snapshot-preview1"
+version = "0.10.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
+checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+
+[[package]]
+name = "winapi"
+version = "0.3.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5c839a674fcd7a98952e593242ea400abe93992746761e38641405d28b00f419"
+dependencies = [
+ "winapi-i686-pc-windows-gnu",
+ "winapi-x86_64-pc-windows-gnu",
+]
+
+[[package]]
+name = "winapi-i686-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
+
+[[package]]
+name = "winapi-x86_64-pc-windows-gnu"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/url-downloader/local_storage/Cargo.toml b/url-downloader/local_storage/Cargo.toml
index c89e8b4..5f8879c 100644
--- a/url-downloader/local_storage/Cargo.toml
+++ b/url-downloader/local_storage/Cargo.toml
@@ -10,5 +10,5 @@ name = "local_storage"
 path = "src/main.rs"
 
 [dependencies]
-fluence = { version = "=0.5.0", features = ["logger"]}
+fluence = { version = "=0.6.2", features = ["logger"]}
 log = "0.4.8"
diff --git a/url-downloader/local_storage/src/main.rs b/url-downloader/local_storage/src/main.rs
index 0f50966..1ec96ea 100644
--- a/url-downloader/local_storage/src/main.rs
+++ b/url-downloader/local_storage/src/main.rs
@@ -1,5 +1,5 @@
 /*
- * Copyright 2020 Fluence Labs Limited
+ * Copyright 2021 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.
@@ -14,10 +14,14 @@
  * limitations under the License.
  */
 
-use std::fs;
 use fluence::fce;
+use fluence::module_manifest;
 use fluence::WasmLoggerBuilder;
-use std::path::Path;
+
+use std::fs;
+use std::path::PathBuf;
+
+module_manifest!();
 
 const SITES_DIR: &str = "/sites/";
 
@@ -28,14 +32,13 @@ pub fn main() {
 
 /// You can read or write files from the file system if there is permission to use directories described in `Config.toml`.
 #[fce]
-pub fn put(file_name: String, file_content: Vec<u8>) -> String {
-    log::info!("put called with file name {}", file_name);
+pub fn put(name: String, file_content: Vec<u8>) -> String {
+    log::info!("put called with file name {}\n", name);
+    let rpc_tmp_filepath = format!("{}{}", SITES_DIR, name);
 
-    let path = Path::new(SITES_DIR).join(file_name);
-
-    let result = fs::write(&path, file_content);
+    let result = fs::write(PathBuf::from(rpc_tmp_filepath.clone()), file_content);
     if let Err(e) = result {
-        return format!("file {} can't be written: {}", path.to_string_lossy(), e);
+        return format!("file can't be written: {}", e);
     }
 
     String::from("Ok")
@@ -43,9 +46,9 @@ pub fn put(file_name: String, file_content: Vec<u8>) -> String {
 
 #[fce]
 pub fn get(file_name: String) -> Vec<u8> {
-    log::info!("get called with file name: {}", file_name);
+    log::info!("get called with file name: {}\n", file_name);
 
-    let path = Path::new(SITES_DIR).join(file_name);
+    let tmp_filepath = format!("{}{}", SITES_DIR, file_name);
 
-    fs::read(&path).unwrap_or_else(|err| format!("error while reading file {}: {}", path.to_string_lossy(), err).into_bytes())
+    fs::read(tmp_filepath).unwrap_or_else(|_| b"error while reading file".to_vec())
 }