Add Runtime type to metadata

CHANGELOG.md

@@ -7,6 +7,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+## [14.0.0-rc.3] - 2021-08-31
+### Added
+- Add Runtime type to metadata
+
 ## [14.0.0-rc.2] - 2021-08-04
 ### Changed
 Combine Map/NMap/DoubleMap StorageEntryTypes [#23](https://github.com/paritytech/frame-metadata/pull/23)

frame-metadata/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "frame-metadata"
-version = "14.0.0-rc.2"
+version = "14.0.0-rc.3"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 license = "Apache-2.0"

frame-metadata/src/v14.rs

@@ -50,17 +50,25 @@ pub struct RuntimeMetadataV14 {
 	pub pallets: Vec<PalletMetadata<PortableForm>>,
 	/// Metadata of the extrinsic.
 	pub extrinsic: ExtrinsicMetadata<PortableForm>,
+	/// The type of the `Runtime`.
+	pub ty: <PortableForm as Form>::Type,
 }
 
 impl RuntimeMetadataV14 {
-	pub fn new(pallets: Vec<PalletMetadata>, extrinsic: ExtrinsicMetadata) -> Self {
+	pub fn new(
+		pallets: Vec<PalletMetadata>,
+		extrinsic: ExtrinsicMetadata,
+		runtime_type: MetaType,
+	) -> Self {
 		let mut registry = Registry::new();
 		let pallets = registry.map_into_portable(pallets);
 		let extrinsic = extrinsic.into_portable(&mut registry);
+		let ty = registry.register_type(&runtime_type);
 		Self {
 			types: registry.into(),
 			pallets,
 			extrinsic,
+			ty,
 		}
 	}
 }