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/backend/unstable/mod.rs

@@ -361,7 +361,6 @@ impl<T: Config + Send + Sync + 'static> Backend<T> for UnstableBackend<T> {
                         for finalized_block in ev.finalized_block_hashes {
                             runtimes.remove(&finalized_block.hash());
                         }
-
                         ev.finalized_block_runtime
                     }
                     FollowEvent::NewBlock(ev) => {
@@ -417,10 +416,8 @@ impl<T: Config + Send + Sync + 'static> Backend<T> for UnstableBackend<T> {
                     RuntimeEvent::Valid(ev) => ev,
                 };
 
-                std::future::ready(Some(Ok(RuntimeVersion {
-                    spec_version: runtime_details.spec.spec_version,
-                    transaction_version: runtime_details.spec.transaction_version,
-                })))
+                let runtime_version = RuntimeVersion::new(runtime_details.spec.spec_version, runtime_details.spec.transaction_version);
+                std::future::ready(Some(Ok(runtime_version)))
             });
 
         Ok(StreamOf(Box::pin(runtime_stream)))

subxt/src/backend/unstable/rpc_methods.rs

@@ -9,7 +9,7 @@
 use crate::backend::rpc::{rpc_params, RpcClient, RpcSubscription};
 use crate::config::BlockHash;
 use crate::{Config, Error};
-use derivative::Derivative;
+use derive_where::derive_where;
 use futures::{Stream, StreamExt};
 use serde::{Deserialize, Serialize};
 use std::collections::{HashMap, VecDeque};
@@ -18,8 +18,7 @@ use std::task::Poll;
 /// An interface to call the unstable RPC methods. This interface is instantiated with
 /// some `T: Config` trait which determines some of the types that the RPC methods will
 /// take or hand back.
-#[derive(Derivative)]
-#[derivative(Clone(bound = ""), Debug(bound = ""))]
+#[derive_where(Clone, Debug)]
 pub struct UnstableRpcMethods<T> {
     client: RpcClient,
     _marker: std::marker::PhantomData<T>,