Update to latest substrate (#723)

* Bump substrate deps.

* Bump scale.

* Bump ethabi.

* Remove inherent from aura.

* Migrate to construct_runtime

* cargo fmt --all

bridges/relays/substrate-client/Cargo.toml

@@ -8,7 +8,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 [dependencies]
 async-std = "1.6.5"
 async-trait = "0.1.40"
-codec = { package = "parity-scale-codec", version = "1.3.4" }
+codec = { package = "parity-scale-codec", version = "2.0.0" }
 jsonrpsee = { git = "https://github.com/svyatonik/jsonrpsee.git", branch = "shared-client-in-rpc-api", default-features = false, features = ["ws"] }
 log = "0.4.11"
 num-traits = "0.2"

bridges/relays/substrate-client/src/error.rs

@@ -78,7 +78,7 @@ impl ToString for Error {
 		match self {
 			Self::WsConnectionError(e) => e.to_string(),
 			Self::Request(e) => e.to_string(),
-			Self::ResponseParseFailed(e) => e.what().to_string(),
+			Self::ResponseParseFailed(e) => e.to_string(),
 			Self::UninitializedBridgePallet => "The Substrate bridge pallet has not been initialized yet.".into(),
 			Self::AccountDoesNotExist => "Account does not exist on the chain".into(),
 			Self::ClientNotSynced(health) => format!("Substrate client is not synced: {}", health),