Add knownVersion on rx.queryAt (#4194)

Author: jacogr

packages/api/src/base/Decorate.ts

@@ -146,8 +146,8 @@ export abstract class Decorate<ApiType extends ApiTypes> extends Events {
 
     this.#instanceId = `${++instanceCounter}`;
     this.#registry = options.source?.registry || options.registry || new TypeRegistry();
-    this._rx.queryAt = (blockHash: Uint8Array | string) =>
-      from(this.at(blockHash)).pipe(map((a) => a.rx.query));
+    this._rx.queryAt = (blockHash: Uint8Array | string, knownVersion?: RuntimeVersion) =>
+      from(this.at(blockHash, knownVersion)).pipe(map((a) => a.rx.query));
     this._rx.registry = this.#registry;
 
     const thisProvider = options.source

packages/api/src/types/index.ts

@@ -95,7 +95,7 @@ export interface ApiInterfaceRx {
   runtimeMetadata: Metadata;
   runtimeVersion: RuntimeVersion;
   query: QueryableStorage<'rxjs'>;
-  queryAt: (blockHash: Uint8Array | string) => Observable<QueryableStorage<'rxjs'>>;
+  queryAt: (blockHash: Uint8Array | string, knownVersion?: RuntimeVersion) => Observable<QueryableStorage<'rxjs'>>;
   queryMulti: QueryableStorageMulti<'rxjs'>;
   rpc: DecoratedRpc<'rxjs', RpcInterface>;
   tx: SubmittableExtrinsics<'rxjs'>;