Bump frame-metadata v16 to 19.0.0

Cargo.toml

@@ -783,7 +783,7 @@ frame-benchmarking-pallet-pov = { default-features = false, path = "substrate/fr
 frame-election-provider-solution-type = { path = "substrate/frame/election-provider-support/solution-type", default-features = false }
 frame-election-provider-support = { path = "substrate/frame/election-provider-support", default-features = false }
 frame-executive = { path = "substrate/frame/executive", default-features = false }
-frame-metadata = { version = "18.0.0", default-features = false }
+frame-metadata = { version = "19.0.0", default-features = false }
 frame-metadata-hash-extension = { path = "substrate/frame/metadata-hash-extension", default-features = false }
 frame-support = { path = "substrate/frame/support", default-features = false }
 frame-support-procedural = { path = "substrate/frame/support/procedural", default-features = false }
@@ -858,7 +858,7 @@ macro_magic = { version = "0.5.1" }
 maplit = { version = "1.0.2" }
 memmap2 = { version = "0.9.3" }
 memory-db = { version = "0.32.0", default-features = false }
-merkleized-metadata = { version = "0.2.0" }
+merkleized-metadata = { version = "0.3.0" }
 merlin = { version = "3.0", default-features = false }
 messages-relay = { path = "bridges/relays/messages" }
 metered = { version = "0.6.1", default-features = false, package = "prioritized-metered-channel" }

prdoc/pr_7563.prdoc

@@ -0,0 +1,14 @@
+title: Bump frame-metadata v16 to 19.0.0
+doc:
+- audience: Runtime Dev
+  description: Update to latest version of `frame-metadata` and `merkleized-metadata` in order to support pallet
+    view function metadata.
+crates:
+- name: sp-metadata-ir
+  bump: minor
+- name: frame-support
+  bump: none
+- name: substrate-wasm-builder
+  bump: minor
+- name: pallet-example-view-functions
+  bump: minor

substrate/primitives/metadata-ir/src/unstable.rs

@@ -20,7 +20,8 @@
 use crate::{
 	DeprecationInfoIR, DeprecationStatusIR, OuterEnumsIR, PalletAssociatedTypeMetadataIR,
 	PalletCallMetadataIR, PalletConstantMetadataIR, PalletErrorMetadataIR, PalletEventMetadataIR,
-	PalletStorageMetadataIR, StorageEntryMetadataIR,
+	PalletStorageMetadataIR, PalletViewFunctionMethodMetadataIR,
+	PalletViewFunctionMethodParamMetadataIR, StorageEntryMetadataIR,
 };
 
 use super::types::{
@@ -31,9 +32,10 @@ use super::types::{
 use frame_metadata::v16::{
 	CustomMetadata, DeprecationInfo, DeprecationStatus, ExtrinsicMetadata, OuterEnums,
 	PalletAssociatedTypeMetadata, PalletCallMetadata, PalletConstantMetadata, PalletErrorMetadata,
-	PalletEventMetadata, PalletMetadata, PalletStorageMetadata, RuntimeApiMetadata,
-	RuntimeApiMethodMetadata, RuntimeApiMethodParamMetadata, RuntimeMetadataV16,
-	StorageEntryMetadata, TransactionExtensionMetadata,
+	PalletEventMetadata, PalletMetadata, PalletStorageMetadata, PalletViewFunctionMetadata,
+	PalletViewFunctionParamMetadata, RuntimeApiMetadata, RuntimeApiMethodMetadata,
+	RuntimeApiMethodParamMetadata, RuntimeMetadataV16, StorageEntryMetadata,
+	TransactionExtensionMetadata,
 };
 
 impl From<MetadataIR> for RuntimeMetadataV16 {
@@ -85,8 +87,7 @@ impl From<PalletMetadataIR> for PalletMetadata {
 			name: ir.name,
 			storage: ir.storage.map(Into::into),
 			calls: ir.calls.map(Into::into),
-			// TODO: add with the new v16 release of frame-metadata
-			// view_functions: ir.view_functions.into_iter().map(Into::into).collect(),
+			view_functions: ir.view_functions.into_iter().map(Into::into).collect(),
 			event: ir.event.map(Into::into),
 			constants: ir.constants.into_iter().map(Into::into).collect(),
 			error: ir.error.map(Into::into),
@@ -144,6 +145,25 @@ impl From<PalletCallMetadataIR> for PalletCallMetadata {
 	}
 }
 
+impl From<PalletViewFunctionMethodMetadataIR> for PalletViewFunctionMetadata {
+	fn from(ir: PalletViewFunctionMethodMetadataIR) -> Self {
+		PalletViewFunctionMetadata {
+			name: ir.name,
+			id: ir.id,
+			inputs: ir.inputs.into_iter().map(Into::into).collect(),
+			output: ir.output,
+			docs: ir.docs.into_iter().map(Into::into).collect(),
+			deprecation_info: ir.deprecation_info.into(),
+		}
+	}
+}
+
+impl From<PalletViewFunctionMethodParamMetadataIR> for PalletViewFunctionParamMetadata {
+	fn from(ir: PalletViewFunctionMethodParamMetadataIR) -> Self {
+		PalletViewFunctionParamMetadata { name: ir.name, ty: ir.ty }
+	}
+}
+
 impl From<PalletConstantMetadataIR> for PalletConstantMetadata {
 	fn from(ir: PalletConstantMetadataIR) -> Self {
 		PalletConstantMetadata {