subxt-core crate (#1466)

* start migrating, broken

* first iteration of updating

* fmt and clippy

* add Composite<u32> decoding via scale value patch

* bump scale type gen versions

* fix decoding with new scale decode

* compiling with changed deps

* core utils, condig, client, metadata

* core crate compiling

* signer crate no once lock

* add core to no-std-tests, change imports

* broken commit, start pulling everything together in subxt

* port more things to subxt

* events in core crate, extrinsics sadly much more difficult

* almost all examples pass again

* dynamic values fix in examples

* fix no std issue and fmt

* remove unused dependencies

* fix lightclient impl

* runtime version refactor

* formatting and addressing nits

* more comments addressed

* update wasm example and no-std-signer tests

* other nits and error impl on signer errors

* fix feature flag

* fix runtime version refactor

* fix doc links

* fix integration tests

* fix feature flag gated client state

* fix native feature in CI

* fix lightclient utils

* make imports more lean in subxt-core

* integrate changes from subxt-core imports into subxt

* other changes in subxt simplify imports more

* fix  and docs

* doc false for cli

* fix clippy

* remove events block hash in tests

* codegen no-std support in generated code

* export alloc crate for no-std codegen

* fix doc test

* implement James comments

* remove std traits, use core traits instead

* address nits

* remove unusued dep in no-std tests

* fix Box import in no_std

* sp-crypto-hashing instead of sp-core-hashing

* bump scale-typegen, add no std codegen tests

* fix some things

* replace unmaintained derivative with derive_where to remove non-canonical warnings

* fmt

* remove unused dep

* fix deps

* update artifacts to fix type ID mismatches

* bump to latest scale-typegen

---------

Co-authored-by: James Wilson <james@jsdw.me>

subxt/src/tx/tx_client.rs

@@ -16,12 +16,11 @@ use crate::{
     utils::{Encoded, PhantomDataSendSync},
 };
 use codec::{Compact, Decode, Encode};
-use derivative::Derivative;
+use derive_where::derive_where;
 use sp_crypto_hashing::blake2_256;
 
 /// A client for working with transactions.
-#[derive(Derivative)]
-#[derivative(Clone(bound = "Client: Clone"))]
+#[derive_where(Clone; Client)]
 pub struct TxClient<T: Config, Client> {
     client: Client,
     _marker: PhantomDataSendSync<T>,
@@ -126,7 +125,7 @@ impl<T: Config, C: OfflineClientT<T>> TxClient<T, C> {
 
         // 3. Construct our custom additional/extra params.
         let additional_and_extra_params =
-            <T::ExtrinsicParams as ExtrinsicParams<T>>::new(self.client.clone(), params)?;
+            <T::ExtrinsicParams as ExtrinsicParams<T>>::new(&self.client.client_state(), params)?;
 
         // Return these details, ready to construct a signed extrinsic from.
         Ok(PartialExtrinsic {