feat: add evm call wrapper extrinsic to dispatcher pallet

integration-tests/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "runtime-integration-tests"
-version = "1.50.0"
+version = "1.51.0"
 description = "Integration tests"
 authors = ["GalacticCouncil"]
 edition = "2021"

integration-tests/src/dispatcher.rs

@@ -1,15 +1,23 @@
+use crate::evm::{create_dispatch_handle, gas_price};
 use crate::polkadot_test_net::*;
+use fp_evm::PrecompileSet;
 use frame_support::assert_ok;
-use frame_support::dispatch::GetDispatchInfo;
+use frame_support::dispatch::{
+	extract_actual_pays_fee, extract_actual_weight, GetDispatchInfo, Pays, PostDispatchInfo,
+};
+use hydradx_runtime::evm::precompiles::HydraDXPrecompiles;
 use hydradx_runtime::evm::WethAssetId;
 use hydradx_runtime::*;
 use orml_traits::MultiCurrency;
+use pallet_evm::{ExitReason, ExitSucceed};
 use pallet_transaction_payment::ChargeTransactionPayment;
+use precompile_utils::prelude::PrecompileOutput;
 use primitives::EvmAddress;
 use sp_core::Encode;
 use sp_core::Get;
 use sp_core::{ByteArray, U256};
 use sp_runtime::traits::SignedExtension;
+use sp_runtime::DispatchErrorWithPostInfo;
 use test_utils::last_events;
 use xcm_emulator::TestExt;
 
@@ -425,3 +433,217 @@ fn dispatch_with_extra_gas_should_charge_extra_gas_when_calls_fail() {
 		);
 	});
 }
+
+#[test]
+fn dispatch_evm_call_should_work_when_evm_call_succeeds() {
+	TestNet::reset();
+	Hydra::execute_with(|| {
+		// Verify that LastEvmCallExitReason storage is cleaned before execution
+		assert_eq!(Dispatcher::last_evm_call_exit_reason(), None);
+
+		// Arrange: Deploy a valid contract to interact with
+		let contract = crate::utils::contracts::deploy_contract("HydraToken", crate::contracts::deployer());
+		let stop_code_contract = crate::utils::contracts::deploy_contract_code(
+			hex!["608080604052346013576067908160188239f35b5f80fdfe6004361015600b575f80fd5b5f3560e01c6306fdde0314601d575f80fd5b34602d575f366003190112602d57005b5f80fdfea264697066735822122072cd2025c9922b7f29b4174f1e2d766386a8ecbaab35dc5921cda0fa301dcb3e64736f6c634300081e0033"].to_vec(),
+			crate::contracts::deployer(),
+		); // name() function selector returns "stopped"
+
+		assert_ok!(hydradx_runtime::Tokens::set_balance(
+			hydradx_runtime::RuntimeOrigin::root(),
+			evm_account(),
+			WethAssetId::get(),
+			1_000_000_000_000_000_000u128,
+			0
+		));
+
+		// Helper function to create EVM calls with common parameters
+		let create_evm_call = |target| {
+			Box::new(RuntimeCall::EVM(pallet_evm::Call::call {
+				source: evm_address(),
+				target,
+				input: hex!["06fdde03"].to_vec(), // name() function selector
+				value: U256::zero(),
+				gas_limit: 1_000_000,
+				max_fee_per_gas: gas_price(),
+				max_priority_fee_per_gas: None,
+				nonce: None,
+				access_list: vec![],
+			}))
+		};
+
+		// Create test cases with different targets
+		let call_succeed_returned = create_evm_call(contract);
+		let call_succeed_stopped = create_evm_call(stop_code_contract);
+
+		// Act: Dispatch the EVM calls
+		assert_ok!(Dispatcher::dispatch_evm_call(
+			evm_signed_origin(evm_address()),
+			call_succeed_returned
+		));
+
+		// Verify that LastEvmCallExitReason storage has expected Returned value
+		assert_eq!(
+			Dispatcher::last_evm_call_exit_reason(),
+			Some(ExitReason::Succeed(ExitSucceed::Returned))
+		);
+
+		assert_ok!(Dispatcher::dispatch_evm_call(
+			evm_signed_origin(evm_address()),
+			call_succeed_stopped
+		));
+
+		// Verify that LastEvmCallExitReason storage has expected Stopped value
+		assert_eq!(
+			Dispatcher::last_evm_call_exit_reason(),
+			Some(ExitReason::Succeed(ExitSucceed::Stopped))
+		);
+
+		// Produce the next block and ensure the key is gone at the next block
+		hydradx_run_to_next_block();
+		assert_eq!(
+			Dispatcher::last_evm_call_exit_reason(),
+			None,
+			"Storage key should stay empty in subsequent blocks"
+		);
+	});
+}
+
+#[test]
+fn dispatch_evm_call_should_fail_with_invalid_function_selector() {
+	TestNet::reset();
+	Hydra::execute_with(|| {
+		// Verify that LastEvmCallExitReason storage is cleaned before execution
+		assert_eq!(Dispatcher::last_evm_call_exit_reason(), None);
+
+		// Arrange
+		assert_ok!(hydradx_runtime::Tokens::set_balance(
+			hydradx_runtime::RuntimeOrigin::root(),
+			evm_account(),
+			WethAssetId::get(),
+			1_000_000_000_000_000_000u128,
+			0
+		));
+
+		// Deploy a contract to test with
+		let contract = crate::utils::contracts::deploy_contract("HydraToken", crate::contracts::deployer());
+
+		// Create an EVM call with an invalid function selector
+		let call = RuntimeCall::EVM(pallet_evm::Call::call {
+			source: evm_address(),
+			target: contract,
+			input: hex!["12345678"].to_vec(), // Invalid function selector
+			gas_limit: 1_000_000,
+			value: U256::zero(),
+			max_fee_per_gas: gas_price(),
+			max_priority_fee_per_gas: None,
+			nonce: None,
+			access_list: vec![],
+		});
+		let call_data = call.get_dispatch_info();
+		let boxed_call = Box::new(call);
+
+		// Act
+		let result = Dispatcher::dispatch_evm_call(evm_signed_origin(evm_address()), boxed_call);
+
+		// Assert
+		// The dispatch should fail with EvmCallFailed error
+		assert_eq!(
+			result,
+			Err(DispatchErrorWithPostInfo {
+				post_info: PostDispatchInfo {
+					actual_weight: Some(extract_actual_weight(&result, &call_data)),
+					pays_fee: extract_actual_pays_fee(&result, &call_data),
+				},
+				error: pallet_dispatcher::Error::<Runtime>::EvmCallFailed.into(),
+			})
+		);
+
+		// Verify that LastEvmCallExitReason storage is cleaned after faulty execution
+		assert_eq!(Dispatcher::last_evm_call_exit_reason(), None);
+	});
+}
+
+#[test]
+fn dispatch_evm_call_should_fail_with_not_evm_call_error() {
+	TestNet::reset();
+	Hydra::execute_with(|| {
+		// Arrange: Create a non-EVM call
+		let call = RuntimeCall::Currencies(pallet_currencies::Call::transfer {
+			dest: BOB.into(),
+			currency_id: 1234,
+			amount: 100,
+		});
+		let boxed_call = Box::new(call.clone());
+
+		// Act & Assert: The dispatch should fail with NotEvmCall error
+		let result = Dispatcher::dispatch_evm_call(evm_signed_origin(evm_address()), boxed_call);
+		assert_eq!(
+			result,
+			Err(DispatchErrorWithPostInfo {
+				post_info: PostDispatchInfo {
+					actual_weight: None,
+					pays_fee: Pays::Yes,
+				},
+				error: pallet_dispatcher::Error::<Runtime>::NotEvmCall.into(),
+			})
+		);
+	})
+}
+
+#[test]
+fn dispatch_evm_call_via_precompile_should_work() {
+	TestNet::reset();
+	Hydra::execute_with(|| {
+		// Arrange
+		let stop_code_contract = crate::utils::contracts::deploy_contract_code(
+			hex!["608080604052346013576067908160188239f35b5f80fdfe6004361015600b575f80fd5b5f3560e01c6306fdde0314601d575f80fd5b34602d575f366003190112602d57005b5f80fdfea264697066735822122072cd2025c9922b7f29b4174f1e2d766386a8ecbaab35dc5921cda0fa301dcb3e64736f6c634300081e0033"].to_vec(),
+			crate::contracts::deployer(),
+		); // name() function selector returns "stopped"
+
+		assert_ok!(hydradx_runtime::Tokens::set_balance(
+			hydradx_runtime::RuntimeOrigin::root(),
+			evm_account(),
+			WethAssetId::get(),
+			1_000_000_000_000_000_000u128,
+			0
+		));
+
+		let inner_runtime_call = RuntimeCall::EVM(pallet_evm::Call::call {
+			source: evm_address(),
+			target: stop_code_contract,
+			input: hex!["06fdde03"].to_vec(), // name() function selector
+			value: U256::zero(),
+			gas_limit: 100_000,
+			max_fee_per_gas: U256::from(233_460_000),
+			max_priority_fee_per_gas: None,
+			nonce: None,
+			access_list: vec![],
+		});
+
+		let outer_call = RuntimeCall::Dispatcher(pallet_dispatcher::Call::dispatch_evm_call {
+			call: Box::new(inner_runtime_call),
+		});
+
+		// SCALE‑encode the entire outer call for precompile
+		let data = outer_call.encode();
+
+		// Build a mocked EVM precompile handle which basically simulates a MetaMask
+		// transaction calling the Frontier dispatch precompile (`DISPATCH_ADDR`)
+		// from the default test EVM account.
+		let mut handle = create_dispatch_handle(data);
+
+		// Execute all HydraDX precompiles (this includes the standard
+		// Frontier Dispatch precompile wired at `DISPATCH_ADDR`).
+		let precompiles = HydraDXPrecompiles::<hydradx_runtime::Runtime>::new();
+		let result = precompiles.execute(&mut handle);
+
+		// The dispatch precompile should succeed and stop.
+		assert_eq!(
+			result.unwrap(),
+			Ok(PrecompileOutput {
+				exit_status: ExitSucceed::Stopped,
+				output: Default::default(),
+			})
+		);
+	});
+}

integration-tests/src/polkadot_test_net.rs

@@ -763,6 +763,7 @@ pub fn hydradx_run_to_next_block() {
 	hydradx_runtime::MultiTransactionPayment::on_finalize(b);
 	hydradx_runtime::CircuitBreaker::on_finalize(b);
 	hydradx_runtime::DCA::on_finalize(b);
+	hydradx_runtime::Dispatcher::on_finalize(b);
 	hydradx_runtime::EmaOracle::on_finalize(b);
 	hydradx_runtime::EVM::on_finalize(b);
 	hydradx_runtime::Ethereum::on_finalize(b);

pallets/dispatcher/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "pallet-dispatcher"
-version = "1.1.1"
+version = "1.2.0"
 authors = ['GalacticCouncil']
 edition = "2021"
 license = "Apache-2.0"
@@ -14,9 +14,6 @@ readme = "README.md"
 codec = { workspace = true, features = ["derive", "max-encoded-len"] }
 scale-info = { workspace = true }
 
-pallet-evm = { workspace = true }
-hydradx-traits = { workspace = true }
-
 # primitives
 sp-runtime = { workspace = true }
 sp-std = { workspace = true }
@@ -26,12 +23,17 @@ sp-core = { workspace = true }
 frame-support = { workspace = true }
 frame-system = { workspace = true }
 
+# HydraDX dependencies
+hydradx-traits = { workspace = true }
+
+# EVM dependencies
+pallet-evm = { workspace = true }
+
 # Optional imports for benchmarking
 frame-benchmarking = { workspace = true, optional = true }
 
 [dev-dependencies]
 sp-io = { workspace = true }
-hydradx-traits = { workspace = true }
 orml-tokens = { workspace = true }
 orml-traits = { workspace = true }
 test-utils = { workspace = true }
@@ -50,7 +52,6 @@ std = [
     'orml-tokens/std',
     'orml-traits/std',
     "pallet-evm/std",
-    "hydradx-traits/std",
 ]
 
 runtime-benchmarks = [

pallets/dispatcher/src/benchmarking.rs

@@ -62,5 +62,13 @@ benchmarks! {
 
 	}: _(RawOrigin::Signed(caller), Box::new(call), 50_000)
 
+	dispatch_evm_call {
+		let n in 1 .. 10_000;
+		let remark = sp_std::vec![1u8; n as usize];
+
+		let call: <T as pallet::Config>::RuntimeCall = frame_system::Call::remark { remark }.into();
+		let caller: T::AccountId = account("caller", 0, 1);
+	}: _(RawOrigin::Signed(caller), Box::new(call))
+
 	impl_benchmark_test_suite!(Pallet, crate::mock::ExtBuilder::default().build(), crate::mock::Test);
 }