Upgrade to substrate alpha.3 crates.io dependencies (#73)

* Use substrate dependencies from crates.io

* Remove test that depends on node_runtime.

Because node_runtime is not on crates.io and was downloading duplicate substrate dependencies. The integration tests will test whether the serialization of keys and calls works.

* Fix updated jsonrpsee compilation errors

* Add missing frame-metadata dependency

src/error.rs

@@ -16,7 +16,7 @@
 
 use jsonrpsee::{
     client::RequestError,
-    ws::WsNewDnsError,
+    transport::ws::WsNewDnsError,
 };
 use sp_core::crypto::SecretStringError;
 use sp_runtime::transaction_validity::TransactionValidityError;

src/lib.rs

@@ -593,35 +593,4 @@ mod tests {
 
         assert!(result.is_ok())
     }
-
-    #[test]
-    #[ignore] // requires locally running substrate node
-    fn test_chain_read_metadata() {
-        let client = async_std::task::block_on(test_client());
-
-        let balances = client.metadata().module_with_calls("Balances").unwrap();
-        let dest = sp_keyring::AccountKeyring::Bob.to_account_id();
-        let address: Address = dest.clone().into();
-        let amount: Balance = 10_000;
-
-        let transfer = pallet_balances::Call::transfer(address.clone(), amount);
-        let call = node_runtime::Call::Balances(transfer);
-        let subxt_transfer = crate::frame::balances::transfer::<Runtime>(address, amount);
-        let call2 = balances.call("transfer", subxt_transfer.args).unwrap();
-        assert_eq!(call.encode().to_vec(), call2.0);
-
-        let account_key =
-            <frame_system::Account<node_runtime::Runtime>>::hashed_key_for(&dest);
-        let account_key_substrate = StorageKey(account_key);
-        let account_key_from_meta = client
-            .metadata()
-            .module("System")
-            .unwrap()
-            .storage("Account")
-            .unwrap()
-            .get_map::<AccountId, pallet_balances::AccountData<Balance>>()
-            .unwrap()
-            .key(dest.clone());
-        assert_eq!(account_key_substrate, account_key_from_meta);
-    }
 }

src/rpc.rs

@@ -28,7 +28,7 @@ use codec::{
 };
 use jsonrpsee::{
     client::Subscription,
-    core::common::{
+    common::{
         to_value as to_json_value,
         Params,
     },
@@ -96,9 +96,9 @@ where
     T: System,
 {
     pub async fn connect_ws(url: &str) -> Result<Self, Error> {
-        let raw_client = jsonrpsee::ws::ws_raw_client(&url).await?;
+        let client = jsonrpsee::ws_client(&url).await?;
         Ok(Rpc {
-            client: raw_client.into(),
+            client: client.into(),
             marker: PhantomData,
         })
     }