diff --git a/greeting/Cargo.toml b/greeting/Cargo.toml
index 5159f29..20abcd9 100644
--- a/greeting/Cargo.toml
+++ b/greeting/Cargo.toml
@@ -12,4 +12,4 @@ name = "greeting"
 path = "src/main.rs"
 
 [dependencies]
-fluence = "0.5.0"
+fluence = "0.6.2"
diff --git a/web3-examples/web3-examples/Readme.md b/web3-examples/web3-examples/Readme.md
index 54fc2f3..0a179b7 100644
--- a/web3-examples/web3-examples/Readme.md
+++ b/web3-examples/web3-examples/Readme.md
@@ -91,7 +91,7 @@ pub fn eth_get_balance(url: String, account: String, block_number: String) -> Js
 
     let params: Vec<String> = vec![account, block_identifier];
     let curl_args: String = Request::new(method, params, id).as_sys_string(&url);
-    let response: String = unsafe { curl_request(curl_args) };
+    let response: String = curl_request(vec![curl_args]);
     check_response_string(response, &id)
 }
 ```  
diff --git a/web3-examples/web3-examples/curl_adapter/Cargo.lock b/web3-examples/web3-examples/curl_adapter/Cargo.lock
index 829ce93..3463dfb 100644
--- a/web3-examples/web3-examples/curl_adapter/Cargo.lock
+++ b/web3-examples/web3-examples/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 = "0.2.18"
+name = "fce-timestamp-macro"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27d9a5e4292d7bbd809a0e968e3c3aacac91cbc5acab3e26ee1e1d726f0aab24"
+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 = "0.2.18"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea1a7c75a617f827d1ba9a17b4d84e1565ab239915c63f5a85c41f89a9f1d4ba"
+checksum = "cb43d2f51f1becb70e2125ef8ca9759597900f95cc22ce7dca981a7d6ccd7dde"
 dependencies = [
  "fluence-sdk-wit",
 ]
 
 [[package]]
 name = "fluence-sdk-main"
-version = "0.2.18"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6edcc983f9517c1b6bf9f851ef27f2894a3159aaa4a2fb6c9deb2ae8ecb603fa"
+checksum = "a78910d85e3cdcb9c2baf56144f20a99925c67ac445d4156220c005bfd2f9604"
 dependencies = [
  "fluence-sdk-macro",
  "log",
@@ -46,9 +77,9 @@ dependencies = [
 
 [[package]]
 name = "fluence-sdk-wit"
-version = "0.2.18"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b75dbdd0275160f3818db3218563d791e6c612b616cd3c5d6e66283f207f648d"
+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"
@@ -101,9 +151,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
+checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
 dependencies = [
  "proc-macro2",
 ]
@@ -147,15 +197,26 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.60"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
 dependencies = [
  "proc-macro2",
  "quote",
  "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/web3-examples/web3-examples/curl_adapter/Cargo.toml b/web3-examples/web3-examples/curl_adapter/Cargo.toml
index b183740..ae2a394 100644
--- a/web3-examples/web3-examples/curl_adapter/Cargo.toml
+++ b/web3-examples/web3-examples/curl_adapter/Cargo.toml
@@ -10,5 +10,5 @@ path = "src/main.rs"
 name = "curl_adapter"
 
 [dependencies]
-fluence = { version = "=0.2.18", features = ["logger"]}
+fluence = { version = "=0.6.2", features = ["logger"]}
 log = "0.4.8"
diff --git a/web3-examples/web3-examples/curl_adapter/src/main.rs b/web3-examples/web3-examples/curl_adapter/src/main.rs
index 65406ba..ed0c375 100644
--- a/web3-examples/web3-examples/curl_adapter/src/main.rs
+++ b/web3-examples/web3-examples/curl_adapter/src/main.rs
@@ -14,26 +14,30 @@
  * limitations under the License.
  */
 
+#![allow(improper_ctypes)]
+
 use fluence::fce;
+use fluence::module_manifest;
+use fluence::MountedBinaryResult;
 use fluence::WasmLoggerBuilder;
 
-/// Log level can be changed by `RUST_LOG` env as well.
-pub fn main() {
+module_manifest!();
+
+fn main() {
     WasmLoggerBuilder::new().build().unwrap();
 }
 
 #[fce]
-pub fn curl_request(url: String) -> String {
-    // log::info!("get called with url {}", url);
-
-    unsafe { curl(url) }
+pub fn curl_request(curl_cmd: Vec<String>) -> MountedBinaryResult {
+    let response = curl(curl_cmd);
+    response
 }
 
-/// Permissions in `Config.toml` should exist to use host functions.
+// mounted_binaries are available to import like this:
 #[fce]
 #[link(wasm_import_module = "host")]
 extern "C" {
-    fn curl(cmd: String) -> String;
+    pub fn curl(cmd: Vec<String>) -> MountedBinaryResult;
 }
 
 #[cfg(test)]
@@ -48,7 +52,7 @@ mod test {
         let cmd = format!("{} {}", args, url);
         println!("cmd: {}", cmd);
 
-        let res = curl_request(cmd);
+        let res = curl_request(vec![cmd]);
         println!("res: {}", res);
         assert!(true);
     }
diff --git a/web3-examples/web3-examples/facade/Cargo.lock b/web3-examples/web3-examples/facade/Cargo.lock
index fadbbb2..a086445 100644
--- a/web3-examples/web3-examples/facade/Cargo.lock
+++ b/web3-examples/web3-examples/facade/Cargo.lock
@@ -108,6 +108,16 @@ dependencies = [
  "tiny-keccak",
 ]
 
+[[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 = "fixed-hash"
 version = "0.7.0"
@@ -122,28 +132,30 @@ dependencies = [
 
 [[package]]
 name = "fluence"
-version = "0.2.18"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "27d9a5e4292d7bbd809a0e968e3c3aacac91cbc5acab3e26ee1e1d726f0aab24"
+checksum = "5b731bd4a69a3945186f2ff96ff753908939c8a2debd60e1f0e8edb6a28757f8"
 dependencies = [
+ "fce-timestamp-macro",
  "fluence-sdk-macro",
  "fluence-sdk-main",
+ "serde",
 ]
 
 [[package]]
 name = "fluence-sdk-macro"
-version = "0.2.18"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ea1a7c75a617f827d1ba9a17b4d84e1565ab239915c63f5a85c41f89a9f1d4ba"
+checksum = "cb43d2f51f1becb70e2125ef8ca9759597900f95cc22ce7dca981a7d6ccd7dde"
 dependencies = [
  "fluence-sdk-wit",
 ]
 
 [[package]]
 name = "fluence-sdk-main"
-version = "0.2.18"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6edcc983f9517c1b6bf9f851ef27f2894a3159aaa4a2fb6c9deb2ae8ecb603fa"
+checksum = "a78910d85e3cdcb9c2baf56144f20a99925c67ac445d4156220c005bfd2f9604"
 dependencies = [
  "fluence-sdk-macro",
  "log",
@@ -152,9 +164,9 @@ dependencies = [
 
 [[package]]
 name = "fluence-sdk-wit"
-version = "0.2.18"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b75dbdd0275160f3818db3218563d791e6c612b616cd3c5d6e66283f207f648d"
+checksum = "eab3ed39703b72e0e52bce9e1760746c73f65a5694c8da4dec751d3bfdec15b8"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -183,9 +195,9 @@ dependencies = [
 
 [[package]]
 name = "hex"
-version = "0.4.2"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "644f9158b2f133fd50f5fb3242878846d9eb792e445c893805ff0e3824006e35"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
 
 [[package]]
 name = "impl-codec"
@@ -296,9 +308,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.8"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "991431c3519a3f36861882da93630ce66b52918dcf1b8e2fd66b397fc96f28df"
+checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
 dependencies = [
  "proc-macro2",
 ]
@@ -383,9 +395,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.61"
+version = "1.0.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
+checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
 dependencies = [
  "itoa",
  "ryu",
@@ -400,9 +412,9 @@ checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
 
 [[package]]
 name = "syn"
-version = "1.0.60"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
+checksum = "6498a9efc342871f91cc2d0d694c674368b4ceb40f62b65a7a08c3792935e702"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/web3-examples/web3-examples/facade/Cargo.toml b/web3-examples/web3-examples/facade/Cargo.toml
index f4a6ef2..22cb1f0 100644
--- a/web3-examples/web3-examples/facade/Cargo.toml
+++ b/web3-examples/web3-examples/facade/Cargo.toml
@@ -12,11 +12,11 @@ name = "facade"
 path = "src/main.rs"
 
 [dependencies]
-serde = {version = "1.0", features = ["derive"] }
-serde_json = "1.0"
-fluence = { version = "=0.2.18", features = ["logger"]}
+serde = {version = "1.0.118", features = ["derive"] }
+serde_json = "1.0.64"
+fluence = { version = "=0.6.2", features = ["logger"]}
 log = "0.4.8"
 chrono = "0.4.19"
 ethereum-types = "0.11.0"
-hex = "0.4.2"
+hex = "0.4.3"
 tiny-keccak = {version = "2.0.2", features = ["keccak", "sha3"]}
\ No newline at end of file
diff --git a/web3-examples/web3-examples/facade/src/eth_calls.rs b/web3-examples/web3-examples/facade/src/eth_calls.rs
index b2b31a2..6c8d76a 100644
--- a/web3-examples/web3-examples/facade/src/eth_calls.rs
+++ b/web3-examples/web3-examples/facade/src/eth_calls.rs
@@ -17,10 +17,10 @@
 use crate::curl_request;
 use crate::eth_utils::{check_response_string, get_nonce, BLOCK_NUMBER_TAGS};
 use crate::fce_results::JsonRpcResult;
-use crate::jsonrpc_helpers::{Request, batch};
+use crate::jsonrpc_helpers::{batch, Request};
 use chrono::Utc;
 use fluence::fce;
-use serde::{Deserialize, Serialize, Deserializer};
+use serde::{Deserialize, Deserializer, Serialize};
 use serde_json;
 use serde_json::Value;
 use std::sync::atomic::{AtomicUsize, Ordering};
@@ -42,7 +42,8 @@ pub fn eth_get_balance(url: String, account: String, block_number: String) -> Js
 
     let params: Vec<String> = vec![account, block_identifier];
     let curl_args: String = Request::new(method, params, id).as_sys_string(&url);
-    let response: String = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
     check_response_string(response, &id)
 }
 
@@ -53,7 +54,8 @@ pub fn eth_get_block_height(url: String) -> JsonRpcResult {
     let id = get_nonce();
 
     let curl_args: String = Request::new(method, params, id).as_sys_string(&url);
-    let response: String = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
     check_response_string(response, &id)
 }
 
@@ -64,7 +66,8 @@ pub fn eth_get_tx_by_hash(url: String, tx_hash: String) -> String {
     let id = get_nonce();
 
     let curl_args: String = Request::new(method, params, id).as_sys_string(&url);
-    let response: String = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
     response
 }
 
@@ -95,9 +98,9 @@ pub struct TxSerde {
 }
 
 fn null_to_default<'de, D, T>(d: D) -> Result<T, D::Error>
-    where
-        D: Deserializer<'de>,
-        T: Default + Deserialize<'de>,
+where
+    D: Deserializer<'de>,
+    T: Default + Deserialize<'de>,
 {
     let opt = Option::deserialize(d)?;
     let val = opt.unwrap_or_else(T::default);
@@ -107,7 +110,7 @@ fn null_to_default<'de, D, T>(d: D) -> Result<T, D::Error>
 #[derive(serde::Deserialize)]
 struct GetTxResponse {
     #[serde(deserialize_with = "null_to_default")]
-    result: Option<TxSerde>
+    result: Option<TxSerde>,
 }
 
 #[fce]
@@ -138,7 +141,7 @@ impl From<TxSerde> for Tx {
             nonce: ser.nonce.unwrap_or_default(),
             to: ser.to.unwrap_or_default(),
             transactionIndex: ser.transactionIndex.unwrap_or_default(),
-            value: ser.value.unwrap_or_default()
+            value: ser.value.unwrap_or_default(),
         }
     }
 }
@@ -149,19 +152,22 @@ pub fn eth_get_txs_by_hashes(url: String, tx_hashes: Vec<String>) -> Vec<Tx> {
     let params: Vec<_> = tx_hashes.into_iter().map(|h| vec![h]).collect();
     let requests = batch(url, method, params, get_nonce());
     match requests {
-        Ok(requests) => {
-            requests.into_iter().flat_map(|req| {
-                let response: String = unsafe { curl_request(req) };
-                let responses: Vec<GetTxResponse> = serde_json::from_str(response.as_str()).unwrap_or_else(|err| {
-                    log::error!("failed to deserialize batch response: {}", err);
-                    panic!("failed to deserialize batch response: {}", err);
-                });
+        Ok(requests) => requests
+            .into_iter()
+            .flat_map(|req| {
+                let response = curl_request(vec![req]);
+                let response = String::from_utf8(response.stdout).unwrap();
+                let responses: Vec<GetTxResponse> = serde_json::from_str(response.as_str())
+                    .unwrap_or_else(|err| {
+                        log::error!("failed to deserialize batch response: {}", err);
+                        panic!("failed to deserialize batch response: {}", err);
+                    });
                 responses.into_iter().flat_map(|r| Some(r.result?.into()))
-            }).collect()
-        },
+            })
+            .collect(),
         Err(err) => {
             log::error!("failed to create batch request: {}", err);
             vec![]
         }
     }
-}
\ No newline at end of file
+}
diff --git a/web3-examples/web3-examples/facade/src/eth_filters.rs b/web3-examples/web3-examples/facade/src/eth_filters.rs
index 6ca3ff0..ac9c83e 100644
--- a/web3-examples/web3-examples/facade/src/eth_filters.rs
+++ b/web3-examples/web3-examples/facade/src/eth_filters.rs
@@ -14,8 +14,8 @@
  * limitations under the License.
  */
 use crate::curl_request;
+use crate::eth_calls::{eth_get_tx_by_hash, eth_get_txs_by_hashes, Tx};
 use crate::eth_utils::{check_response_string, get_nonce};
-use crate::eth_calls::{eth_get_tx_by_hash, Tx, eth_get_txs_by_hashes};
 use crate::fce_results::JsonRpcResult;
 use crate::jsonrpc_helpers::Request;
 use crate::jsonrpc_helpers::JSON_RPC;
@@ -35,7 +35,8 @@ pub fn uninstall_filter(url: String, filter_id: String) -> bool {
     // let request = Request::new(method, params, id);
     let curl_args = Request::new(method, params, id).as_sys_string(&url);
 
-    let response: String = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
 
     /*
     if response.len() == 0 || response.contains("error") {
@@ -71,7 +72,8 @@ pub fn new_pending_tx_filter(url: String) -> String {
     let id = get_nonce();
 
     let curl_args = Request::new(method, params, id).as_sys_string(&url);
-    let response: String = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
 
     let result_obj: Value = serde_json::from_str(&response).unwrap();
     let result: String = serde_json::from_value(result_obj["result"].clone()).unwrap();
@@ -89,11 +91,11 @@ pub fn get_filter_changes(url: String, filter_id: String) -> String {
 
     let curl_args = Request::new(method, params, id).as_sys_string(&url);
 
-    let response: String = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
     response
 }
 
-
 #[fce]
 pub fn get_filter_changes_list(url: String, filter_id: String) -> Vec<String> {
     let method = String::from("eth_getFilterChanges");
@@ -102,7 +104,8 @@ pub fn get_filter_changes_list(url: String, filter_id: String) -> Vec<String> {
 
     let curl_args = Request::new(method, params, id).as_sys_string(&url);
 
-    let response = unsafe { curl_request(curl_args) };
+    let response = curl_request(vec![curl_args]);
+    let response = String::from_utf8(response.stdout).unwrap();
     log::info!("response: {}", response);
     let mut response: Value = serde_json::from_str(&response).unwrap_or_else(|_| {
         log::error!("failed to parse ETH RPC response as json");
@@ -113,10 +116,13 @@ pub fn get_filter_changes_list(url: String, filter_id: String) -> Vec<String> {
         panic!("no 'result' field found in ETH RPC response");
     });
     if let Value::Array(results) = result.take() {
-        let tx_hashes: Vec<_> = results.into_iter().flat_map(|r| {
-            let hash = r.as_str()?;
-            Some(hash.to_string())
-        }).collect();
+        let tx_hashes: Vec<_> = results
+            .into_iter()
+            .flat_map(|r| {
+                let hash = r.as_str()?;
+                Some(hash.to_string())
+            })
+            .collect();
         log::info!("got {} tx hashes", tx_hashes.len());
         tx_hashes
     } else {
diff --git a/web3-examples/web3-examples/facade/src/main.rs b/web3-examples/web3-examples/facade/src/main.rs
index 3edfb00..8fac484 100644
--- a/web3-examples/web3-examples/facade/src/main.rs
+++ b/web3-examples/web3-examples/facade/src/main.rs
@@ -14,9 +14,17 @@
  * limitations under the License.
  */
 
-#![allow(non_snake_case, unused_variables, unused_imports, unused_parens, unused_mut)]
+#![allow(
+    non_snake_case,
+    unused_variables,
+    unused_imports,
+    unused_parens,
+    unused_mut
+)]
 
 use fluence::fce;
+use fluence::module_manifest;
+use fluence::MountedBinaryResult;
 use fluence::WasmLoggerBuilder;
 
 mod data_processing;
@@ -31,6 +39,8 @@ mod jsonrpc_helpers;
 
 pub(crate) type Result<T> = std::result::Result<T, T>;
 
+module_manifest!();
+
 pub fn main() {
     WasmLoggerBuilder::new().build().ok();
 }
@@ -38,5 +48,5 @@ pub fn main() {
 #[fce]
 #[link(wasm_import_module = "curl_adapter")]
 extern "C" {
-    pub fn curl_request(url: String) -> String;
+    pub fn curl_request(url: Vec<String>) -> MountedBinaryResult;
 }