Add Ledger support

Cargo.toml

@@ -119,6 +119,7 @@ frame-system = { version = "35.0.0", default-features = false }
 frame-system-rpc-runtime-api = { version = "33.0.0", default-features = false }
 frame-system-benchmarking = { version = "35.0.0", default-features = false }
 frame-try-runtime = { version = "0.41.0", default-features = false }
+frame-metadata-hash-extension = { version = "0.3.0", default-features = false }
 sp-api = { version = "33.0.0", default-features = false }
 sp-debug-derive = { version = "14.0.0", default-features = false }
 sp-std = { version = "14.0.0", default-features = false }

integration-tests/Cargo.toml

@@ -74,6 +74,7 @@ itertools.workspace = true
 pallet-democracy.workspace = true
 pallet-scheduler.workspace = true
 pallet-treasury.workspace = true
+frame-metadata-hash-extension.workspace = true
 
 # Runtimes
 polkadot-runtime.workspace = true

integration-tests/src/tests/credentials.rs

@@ -79,6 +79,8 @@ fn dispenser_signed_extensions_pass_for_new_account() {
 			pallet_dispenser::extensions::CheckNonce::<PolimecRuntime>::from(0u32),
 			frame_system::CheckWeight::<PolimecRuntime>::new(),
 			pallet_transaction_payment::ChargeTransactionPayment::<PolimecRuntime>::from(0u64.into()).into(),
+			frame_metadata_hash_extension::CheckMetadataHash::<PolimecRuntime>::new(true),
+
 		);
 		assert_err!(
 			extra.validate(&who, &paid_call, &paid_call.get_dispatch_info(), 0),

runtimes/polimec/Cargo.toml

@@ -14,7 +14,7 @@ version.workspace = true
 workspace = true
 
 [build-dependencies]
-substrate-wasm-builder.workspace = true
+substrate-wasm-builder = { workspace = true, optional = true }
 
 [dependencies]
 parity-scale-codec = { workspace= true,  default-features = false, features = [
@@ -81,6 +81,7 @@ sp-std.workspace = true
 sp-transaction-pool.workspace = true
 sp-version.workspace = true
 sp-genesis-builder.workspace = true
+frame-metadata-hash-extension.workspace = true
 
 # Polkadot
 pallet-xcm.workspace = true
@@ -183,6 +184,8 @@ std = [
 	"xcm-builder/std",
 	"xcm-executor/std",
 	"xcm/std",
+	"substrate-wasm-builder",
+	"frame-metadata-hash-extension/std"
 ]
 
 runtime-benchmarks = [
@@ -276,6 +279,11 @@ try-runtime = [
 # A feature that should be enabled when the runtime should be built for on-chain
 # deployment. This will disable stuff that shouldn't be part of the on-chain wasm
 # to make it smaller, like logging for example.
-on-chain-release-build = [ "sp-api/disable-logging", "pallet-funding/on-chain-release-build" ]
+on-chain-release-build = [ "sp-api/disable-logging", "pallet-funding/on-chain-release-build", "metadata-hash" ]
 
 development-settings = [ "shared-configuration/development-settings" ]
+
+# Enable the metadata hash generation in the wasm-builder
+metadata-hash = [
+	"substrate-wasm-builder?/metadata-hash",
+]

runtimes/polimec/build.rs

@@ -14,8 +14,20 @@
 // You should have received a copy of the GNU General Public License
 // along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
-use substrate_wasm_builder::WasmBuilder;
 
+#[cfg(all(feature = "std", feature = "metadata-hash"))]
 fn main() {
-	WasmBuilder::new().with_current_project().export_heap_base().import_memory().build();
+	substrate_wasm_builder::WasmBuilder::init_with_defaults()
+		.enable_metadata_hash("PLMC", 10)
+		.build();
 }
+
+#[cfg(all(feature = "std", not(feature = "metadata-hash")))]
+fn main() {
+	substrate_wasm_builder::WasmBuilder::build_using_defaults();
+}
+
+/// The wasm builder is deactivated when compiling
+/// this crate for wasm to speed up the compilation.
+#[cfg(not(feature = "std"))]
+fn main() {}

runtimes/polimec/src/lib.rs

@@ -149,6 +149,7 @@ pub type SignedExtra = (
 		Runtime,
 		pallet_transaction_payment::ChargeTransactionPayment<Runtime>,
 	>,
+	frame_metadata_hash_extension::CheckMetadataHash<Runtime>,
 );
 
 /// Unchecked extrinsic type as expected by this runtime.
@@ -901,6 +902,8 @@ where
 			pallet_dispenser::extensions::SkipCheckIfFeeless::from(
 				pallet_transaction_payment::ChargeTransactionPayment::<Runtime>::from(tip),
 			),
+			frame_metadata_hash_extension::CheckMetadataHash::<Runtime>::new(true),
+
 		);
 		let raw_payload = generic::SignedPayload::new(call, extra)
 			.map_err(|e| {