diff --git a/Cargo.lock b/Cargo.lock
index e87f87862e..1fd5db7912 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -14,24 +14,27 @@ dependencies = [
 
 [[package]]
 name = "ac-compose-macros"
-version = "0.4.0"
-source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42#9bfdbdec280944a6f9cabf71113b4f880fa292c4"
+version = "0.2.3"
+source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42-tag-v0.10.0#686b7ef0aa8da255d3864a3fc703e32193813700"
 dependencies = [
  "ac-primitives",
  "log 0.4.17",
- "maybe-async",
+ "parity-scale-codec",
+ "sp-application-crypto",
+ "sp-core",
+ "sp-runtime",
 ]
 
 [[package]]
 name = "ac-node-api"
-version = "0.4.0"
-source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42#9bfdbdec280944a6f9cabf71113b4f880fa292c4"
+version = "0.2.3"
+source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42-tag-v0.10.0#686b7ef0aa8da255d3864a3fc703e32193813700"
 dependencies = [
  "ac-primitives",
  "bitvec",
  "derive_more",
  "either",
- "frame-metadata 15.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "frame-metadata 15.1.0 (git+https://github.com/paritytech/frame-metadata)",
  "hex",
  "log 0.4.17",
  "parity-scale-codec",
@@ -46,23 +49,23 @@ dependencies = [
 
 [[package]]
 name = "ac-primitives"
-version = "0.7.0"
-source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42#9bfdbdec280944a6f9cabf71113b4f880fa292c4"
+version = "0.5.0"
+source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42-tag-v0.10.0#686b7ef0aa8da255d3864a3fc703e32193813700"
 dependencies = [
  "frame-system",
+ "hex",
  "impl-serde",
  "pallet-assets",
  "pallet-balances",
+ "pallet-contracts",
+ "pallet-staking",
  "parity-scale-codec",
  "primitive-types",
  "scale-info",
  "serde 1.0.163",
  "serde_json 1.0.96",
- "sp-application-crypto",
  "sp-core",
- "sp-core-hashing",
  "sp-runtime",
- "sp-runtime-interface",
  "sp-staking",
  "sp-version",
  "sp-weights",
@@ -1731,6 +1734,34 @@ dependencies = [
  "static_assertions",
 ]
 
+[[package]]
+name = "frame-election-provider-solution-type"
+version = "4.0.0-dev"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "proc-macro-crate",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.16",
+]
+
+[[package]]
+name = "frame-election-provider-support"
+version = "4.0.0-dev"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "frame-election-provider-solution-type",
+ "frame-support",
+ "frame-system",
+ "parity-scale-codec",
+ "scale-info",
+ "sp-arithmetic",
+ "sp-core",
+ "sp-npos-elections",
+ "sp-runtime",
+ "sp-std",
+]
+
 [[package]]
 name = "frame-executive"
 version = "4.0.0-dev"
@@ -2662,6 +2693,12 @@ dependencies = [
  "serde 1.0.163",
 ]
 
+[[package]]
+name = "indexmap-nostd"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e04e2fd2b8188ea827b32ef11de88377086d690286ab35747ef7f9bf3ccb590"
+
 [[package]]
 name = "instant"
 version = "0.1.12"
@@ -4548,17 +4585,6 @@ dependencies = [
  "rawpointer",
 ]
 
-[[package]]
-name = "maybe-async"
-version = "0.2.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f1b8c13cb1f814b634a96b2c725449fe7ed464a7b8781de8688be5ffbd3f305"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 1.0.109",
-]
-
 [[package]]
 name = "memchr"
 version = "2.2.1"
@@ -5329,6 +5355,58 @@ dependencies = [
  "sp-std",
 ]
 
+[[package]]
+name = "pallet-contracts"
+version = "4.0.0-dev"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "bitflags",
+ "environmental 1.1.4",
+ "frame-benchmarking",
+ "frame-support",
+ "frame-system",
+ "impl-trait-for-tuples",
+ "log 0.4.17",
+ "pallet-contracts-primitives",
+ "pallet-contracts-proc-macro",
+ "parity-scale-codec",
+ "rand 0.8.5",
+ "scale-info",
+ "serde 1.0.163",
+ "smallvec 1.10.0",
+ "sp-api",
+ "sp-core",
+ "sp-io 7.0.0 (git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42)",
+ "sp-runtime",
+ "sp-std",
+ "wasm-instrument",
+ "wasmi 0.28.0",
+ "wasmparser-nostd",
+]
+
+[[package]]
+name = "pallet-contracts-primitives"
+version = "7.0.0"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "bitflags",
+ "parity-scale-codec",
+ "scale-info",
+ "sp-runtime",
+ "sp-std",
+ "sp-weights",
+]
+
+[[package]]
+name = "pallet-contracts-proc-macro"
+version = "4.0.0-dev"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.16",
+]
+
 [[package]]
 name = "pallet-evm"
 version = "6.0.0-dev"
@@ -5512,6 +5590,28 @@ dependencies = [
  "teerex-primitives",
 ]
 
+[[package]]
+name = "pallet-staking"
+version = "4.0.0-dev"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "frame-benchmarking",
+ "frame-election-provider-support",
+ "frame-support",
+ "frame-system",
+ "log 0.4.17",
+ "pallet-authorship",
+ "pallet-session",
+ "parity-scale-codec",
+ "scale-info",
+ "serde 1.0.163",
+ "sp-application-crypto",
+ "sp-io 7.0.0 (git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42)",
+ "sp-runtime",
+ "sp-staking",
+ "sp-std",
+]
+
 [[package]]
 name = "pallet-sudo"
 version = "4.0.0-dev"
@@ -7759,6 +7859,20 @@ dependencies = [
  "sp-std",
 ]
 
+[[package]]
+name = "sp-npos-elections"
+version = "4.0.0-dev"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.42#569aae5341ea0c1d10426fa1ec13a36c0b64393b"
+dependencies = [
+ "parity-scale-codec",
+ "scale-info",
+ "serde 1.0.163",
+ "sp-arithmetic",
+ "sp-core",
+ "sp-runtime",
+ "sp-std",
+]
+
 [[package]]
 name = "sp-offchain"
 version = "4.0.0-dev"
@@ -7993,7 +8107,7 @@ dependencies = [
  "log 0.4.17",
  "parity-scale-codec",
  "sp-std",
- "wasmi",
+ "wasmi 0.13.2",
  "wasmtime",
 ]
 
@@ -8107,19 +8221,17 @@ dependencies = [
 
 [[package]]
 name = "substrate-api-client"
-version = "0.12.0"
-source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42#9bfdbdec280944a6f9cabf71113b4f880fa292c4"
+version = "0.10.0"
+source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42-tag-v0.10.0#686b7ef0aa8da255d3864a3fc703e32193813700"
 dependencies = [
  "ac-compose-macros",
  "ac-node-api",
  "ac-primitives",
- "async-trait",
  "derive_more",
- "frame-metadata 15.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "frame-metadata 15.1.0 (git+https://github.com/paritytech/frame-metadata)",
  "frame-support",
  "hex",
  "log 0.4.17",
- "maybe-async",
  "parity-scale-codec",
  "serde 1.0.163",
  "serde_json 1.0.96",
@@ -8145,8 +8257,8 @@ dependencies = [
 
 [[package]]
 name = "substrate-client-keystore"
-version = "0.9.0"
-source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42#9bfdbdec280944a6f9cabf71113b4f880fa292c4"
+version = "0.7.0"
+source = "git+https://github.com/scs/substrate-api-client.git?branch=polkadot-v0.9.42-tag-v0.10.0#686b7ef0aa8da255d3864a3fc703e32193813700"
 dependencies = [
  "array-bytes 4.2.0",
  "async-trait",
@@ -9061,6 +9173,15 @@ version = "0.2.86"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ed9d5b4305409d1fc9482fee2d7f9bcbf24b3972bf59817ef757e23982242a93"
 
+[[package]]
+name = "wasm-instrument"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2a47ecb37b9734d1085eaa5ae1a81e60801fd8c28d4cabdd8aedb982021918bc"
+dependencies = [
+ "parity-wasm",
+]
+
 [[package]]
 name = "wasm-opt"
 version = "0.111.0"
@@ -9110,7 +9231,19 @@ checksum = "06c326c93fbf86419608361a2c925a31754cf109da1b8b55737070b4d6669422"
 dependencies = [
  "parity-wasm",
  "wasmi-validation",
- "wasmi_core",
+ "wasmi_core 0.2.1",
+]
+
+[[package]]
+name = "wasmi"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e61a7006b0fdf24f6bbe8dcfdad5ca1b350de80061fb2827f31c82fbbb9565a"
+dependencies = [
+ "spin 0.9.8",
+ "wasmi_arena",
+ "wasmi_core 0.12.0",
+ "wasmparser-nostd",
 ]
 
 [[package]]
@@ -9122,6 +9255,12 @@ dependencies = [
  "parity-wasm",
 ]
 
+[[package]]
+name = "wasmi_arena"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "401c1f35e413fac1846d4843745589d9ec678977ab35a384db8ae7830525d468"
+
 [[package]]
 name = "wasmi_core"
 version = "0.2.1"
@@ -9135,6 +9274,18 @@ dependencies = [
  "num-traits 0.2.15",
 ]
 
+[[package]]
+name = "wasmi_core"
+version = "0.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "624e6333e861ef49095d2d678b76ebf30b06bf37effca845be7e5b87c90071b7"
+dependencies = [
+ "downcast-rs",
+ "libm",
+ "num-traits 0.2.15",
+ "paste",
+]
+
 [[package]]
 name = "wasmparser"
 version = "0.100.0"
@@ -9145,6 +9296,15 @@ dependencies = [
  "url 2.3.1",
 ]
 
+[[package]]
+name = "wasmparser-nostd"
+version = "0.100.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9157cab83003221bfd385833ab587a039f5d6fa7304854042ba358a3b09e0724"
+dependencies = [
+ "indexmap-nostd",
+]
+
 [[package]]
 name = "wasmtime"
 version = "6.0.2"
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 3d18015773..2eb4979129 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -29,8 +29,8 @@ my-node-runtime = { package = "integritee-node-runtime", git = "https://github.c
 pallet-evm = { optional = true, git = "https://github.com/integritee-network/frontier.git", branch = "bar/polkadot-v0.9.42" }
 pallet-teerex = { git = "https://github.com/integritee-network/pallets.git", branch = "polkadot-v0.9.42" }
 # `default-features = false` to remove the jsonrpsee dependency.
-substrate-api-client = { default-features = false, features = ["std", "ws-client", "sync-api"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42" }
-substrate-client-keystore = { git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42" }
+substrate-api-client = { default-features = false, features = ["std", "ws-client"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42-tag-v0.10.0" }
+substrate-client-keystore = { git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42-tag-v0.10.0" }
 teerex-primitives = { git = "https://github.com/integritee-network/pallets.git", branch = "polkadot-v0.9.42" }
 
 # substrate dependencies
diff --git a/core-primitives/extrinsics-factory/Cargo.toml b/core-primitives/extrinsics-factory/Cargo.toml
index 9dc7dad14a..e36a6f6f40 100644
--- a/core-primitives/extrinsics-factory/Cargo.toml
+++ b/core-primitives/extrinsics-factory/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 # sgx dependencies
 sgx_tstd = { branch = "master", git = "https://github.com/apache/teaclave-sgx-sdk.git", optional = true }
 sgx_types = { branch = "master", git = "https://github.com/apache/teaclave-sgx-sdk.git" }
-substrate-api-client = { default-features = false, features = ["sync-api"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42" }
+substrate-api-client = { default-features = false, git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42-tag-v0.10.0" }
 
 # local dependencies
 itp-node-api = { path = "../node-api", default-features = false }
diff --git a/core-primitives/node-api/api-client-extensions/Cargo.toml b/core-primitives/node-api/api-client-extensions/Cargo.toml
index 0572552cd2..1eb2c24722 100644
--- a/core-primitives/node-api/api-client-extensions/Cargo.toml
+++ b/core-primitives/node-api/api-client-extensions/Cargo.toml
@@ -16,7 +16,7 @@ sp-runtime = { git = "https://github.com/paritytech/substrate.git", branch = "po
 
 # scs
 # `default-features = false` to remove the jsonrpsee dependency.
-substrate-api-client = { default-features = false, features = ["std", "sync-api"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42" }
+substrate-api-client = { default-features = false, features = ["std"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42-tag-v0.10.0" }
 
 # local deps
 itp-api-client-types = { path = "../api-client-types" }
diff --git a/core-primitives/node-api/api-client-types/Cargo.toml b/core-primitives/node-api/api-client-types/Cargo.toml
index 6e8019e58c..05d0a8be18 100644
--- a/core-primitives/node-api/api-client-types/Cargo.toml
+++ b/core-primitives/node-api/api-client-types/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 my-node-runtime = { package = "integritee-node-runtime", optional = true, git = "https://github.com/integritee-network/integritee-node.git", branch = "szp/polkadot-v0.9.42" }
 
 # scs
-substrate-api-client = { default-features = false, features = ["sync-api"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42" }
+substrate-api-client = { default-features = false, git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42-tag-v0.10.0" }
 
 # substrate
 sp-core = { default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.42" }
diff --git a/core-primitives/node-api/api-client-types/src/lib.rs b/core-primitives/node-api/api-client-types/src/lib.rs
index 06c6405a08..829f528566 100644
--- a/core-primitives/node-api/api-client-types/src/lib.rs
+++ b/core-primitives/node-api/api-client-types/src/lib.rs
@@ -100,6 +100,10 @@ mod api {
 		pub fn as_api(&self) -> &Api<T, WsRpcClient> {
 			&self.0
 		}
+
+		pub fn as_mut_api(&mut self) -> &Api<T, WsRpcClient> {
+			&self.0
+		}
 	}
 
 	impl<T> From<ParentchainApi<T>> for Api<T, WsRpcClient>
diff --git a/core-primitives/node-api/factory/src/lib.rs b/core-primitives/node-api/factory/src/lib.rs
index 75e7894242..62ce720698 100644
--- a/core-primitives/node-api/factory/src/lib.rs
+++ b/core-primitives/node-api/factory/src/lib.rs
@@ -82,7 +82,7 @@ where
 			.map_err(NodeApiFactoryError::FailedToCreateRpcClient)?;
 		let mut api: ParentchainApi<T> =
 			ParentchainApi::new(rpc_client).map_err(NodeApiFactoryError::FailedToCreateNodeApi)?;
-		api.set_signer(self.signer.clone());
+		api.as_api().set_signer(self.signer.clone());
 		Ok(api)
 	}
 }
diff --git a/core/rpc-client/src/direct_client.rs b/core/rpc-client/src/direct_client.rs
index c473a0cdfb..07df77d866 100644
--- a/core/rpc-client/src/direct_client.rs
+++ b/core/rpc-client/src/direct_client.rs
@@ -27,6 +27,7 @@ use itp_utils::FromHexPrefixed;
 use log::*;
 use sgx_crypto_helper::rsa3072::Rsa3072PubKey;
 use std::{
+	convert::TryFrom,
 	sync::{
 		mpsc::{channel, Sender as MpscSender},
 		Arc,
@@ -152,7 +153,12 @@ impl DirectApi for DirectClient {
 		// Decode Metadata.
 		let metadata = RuntimeMetadataPrefixed::decode(&mut rpc_return_value.value.as_slice())?;
 		println!("[+] Got metadata of enclave runtime");
-		Metadata::try_from(metadata).map_err(|e| e.into())
+		//Metadata::try_from(metadata).map_err(|e| e.into())
+		<itp_api_client_types::Metadata as TryFrom<RuntimeMetadataPrefixed>>::try_from(metadata)
+			.map_err(|e| e.into())
+		//itp_api_client_types::Metadata::try_from(metadata).map_err(|e| e.into())
+		//itp_api_client_types::Metadata::try_from(metadata.try_into()).map_err(|e| e.into())
+		//metadata.try_into().map_err(|e| crate::error::Error::InvalidMetadata(e))
 	}
 
 	fn send(&self, request: &str) -> Result<()> {
diff --git a/service/Cargo.toml b/service/Cargo.toml
index 2dce6f43ea..04ea1d7159 100644
--- a/service/Cargo.toml
+++ b/service/Cargo.toml
@@ -63,7 +63,7 @@ its-storage = { path = "../sidechain/storage" }
 my-node-runtime = { package = "integritee-node-runtime", git = "https://github.com/integritee-network/integritee-node.git", branch = "szp/polkadot-v0.9.42" }
 sgx-verify = { git = "https://github.com/integritee-network/pallets.git", branch = "polkadot-v0.9.42" }
 # `default-features = false` to remove the jsonrpsee dependency.
-substrate-api-client = { default-features = false, features = ["std", "ws-client", "sync-api"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42" }
+substrate-api-client = { default-features = false, features = ["std", "ws-client"], git = "https://github.com/scs/substrate-api-client.git", branch = "polkadot-v0.9.42-tag-v0.10.0" }
 teerex-primitives = { git = "https://github.com/integritee-network/pallets.git", branch = "polkadot-v0.9.42" }
 
 # Substrate dependencies