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/examples/setup_client_offline.rs

@@ -16,10 +16,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     };
 
     // 2. A runtime version (system_version constant on a Substrate node has these):
-    let runtime_version = subxt::backend::RuntimeVersion {
-        spec_version: 9370,
-        transaction_version: 20,
-    };
+    let runtime_version = subxt::client::RuntimeVersion::new(9370, 20);
 
     // 3. Metadata (I'll load it from the downloaded metadata, but you can use
     //    `subxt metadata > file.scale` to download it):

subxt/examples/setup_config_custom.rs

@@ -1,6 +1,6 @@
 #![allow(missing_docs)]
 use codec::Encode;
-use subxt::client::OfflineClientT;
+use subxt::client::ClientState;
 use subxt::config::{
     Config, ExtrinsicParams, ExtrinsicParamsEncoder, ExtrinsicParamsError, RefineParams,
 };
@@ -60,10 +60,7 @@ impl<T: Config> ExtrinsicParams<T> for CustomExtrinsicParams<T> {
     type Params = CustomExtrinsicParamsBuilder;
 
     // Gather together all of the params we will need to encode:
-    fn new<Client: OfflineClientT<T>>(
-        client: Client,
-        params: Self::Params,
-    ) -> Result<Self, ExtrinsicParamsError> {
+    fn new(client: &ClientState<T>, params: Self::Params) -> Result<Self, ExtrinsicParamsError> {
         Ok(Self {
             genesis_hash: client.genesis_hash(),
             tip: params.tip,

subxt/examples/setup_config_signed_extension.rs

@@ -2,7 +2,7 @@
 use codec::Encode;
 use scale_encode::EncodeAsType;
 use scale_info::PortableRegistry;
-use subxt::client::OfflineClientT;
+use subxt::client::ClientState;
 use subxt::config::signed_extensions;
 use subxt::config::{
     Config, DefaultExtrinsicParamsBuilder, ExtrinsicParams, ExtrinsicParamsEncoder,
@@ -60,10 +60,7 @@ impl<T: Config> signed_extensions::SignedExtension<T> for CustomSignedExtension
 impl<T: Config> ExtrinsicParams<T> for CustomSignedExtension {
     type Params = ();
 
-    fn new<Client: OfflineClientT<T>>(
-        _client: Client,
-        _params: Self::Params,
-    ) -> Result<Self, ExtrinsicParamsError> {
+    fn new(_client: &ClientState<T>, _params: Self::Params) -> Result<Self, ExtrinsicParamsError> {
         Ok(CustomSignedExtension)
     }
 }

subxt/examples/storage_iterating_dynamic.rs

@@ -1,5 +1,5 @@
 #![allow(missing_docs)]
-use subxt::{OnlineClient, PolkadotConfig};
+use subxt::{dynamic::Value, OnlineClient, PolkadotConfig};
 
 #[tokio::main]
 async fn main() -> Result<(), Box<dyn std::error::Error>> {
@@ -8,7 +8,7 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
 
     // Build a dynamic storage query to iterate account information.
     // With a dynamic query, we can just provide an empty vector as the keys to iterate over all entries.
-    let keys: Vec<scale_value::Value> = vec![];
+    let keys: Vec<Value> = vec![];
     let storage_query = subxt::dynamic::storage("System", "Account", keys);
 
     // Use that query to return an iterator over the results.