From 38256db04f795e6e19d66893d90085db6b4d5828 Mon Sep 17 00:00:00 2001
From: bear <boundless.forest@outlook.com>
Date: Sun, 8 Oct 2023 14:59:37 +0800
Subject: [PATCH] Add some basics cases

---
 runtime/pangolin/tests/tests.rs | 181 +++++++++++++++++++++++++++++++-
 1 file changed, 180 insertions(+), 1 deletion(-)

diff --git a/runtime/pangolin/tests/tests.rs b/runtime/pangolin/tests/tests.rs
index b220641fb..18fa01a2f 100644
--- a/runtime/pangolin/tests/tests.rs
+++ b/runtime/pangolin/tests/tests.rs
@@ -20,6 +20,185 @@ pub mod mock;
 
 darwinia_common_runtime::impl_weight_tests! {}
 darwinia_common_runtime::impl_fee_tests! {}
-darwinia_common_runtime::impl_evm_tests! {}
+// darwinia_common_runtime::impl_evm_tests! {}
 darwinia_common_runtime::impl_account_migration_tests! {}
 darwinia_common_runtime::impl_messages_bridge_tests! {}
+
+#[test]
+fn precompile_address() {
+	use crate::mock::*;
+
+	assert_eq!(
+		PangolinPrecompiles::<Runtime>::used_addresses()
+			.iter()
+			.map(|a| a.to_low_u64_be())
+			.collect::<Vec<u64>>(),
+		vec![1, 2, 3, 4, 5, 6, 7, 8, 9, 1024, 1025, 1026, 1027, 1536, 1537, 2048]
+	);
+}
+
+mod message_transact {
+	// darwinia
+	use super::mock::*;
+	use frame_support::traits::EnsureOrigin;
+	use sp_core::H160;
+	use static_assertions::assert_type_eq_all;
+
+	#[test]
+	fn ensure_origin_correctly() {
+		assert_type_eq_all!(
+			<<Runtime as darwinia_message_transact::Config>::LcmpEthOrigin as EnsureOrigin<
+				RuntimeOrigin,
+			>>::Success,
+			H160
+		);
+	}
+}
+
+mod balances {
+	// darwinia
+	use super::mock::*;
+	use frame_support::traits::Get;
+
+	#[test]
+	fn ensure_constants_correctly() {
+		assert_eq!(<Runtime as pallet_balances::Config>::ExistentialDeposit::get(), 0);
+		assert_eq!(<<Runtime as pallet_balances::Config>::MaxLocks as Get<u32>>::get(), 50);
+		assert_eq!(<<Runtime as pallet_balances::Config>::MaxReserves as Get<u32>>::get(), 50);
+	}
+}
+
+mod evm {
+	// darwinia
+	use super::mock::*;
+	// frontier
+	use pallet_ethereum::PostLogContent;
+	use pallet_evm_precompile_dispatch::DispatchValidateT;
+	// substrate
+	use frame_support::{assert_err, traits::Get};
+	use sp_core::{H160, U256};
+	use sp_runtime::{DispatchError, ModuleError};
+
+	#[test]
+	fn configured_base_extrinsic_weight_is_evm_compatible() {
+		let min_ethereum_transaction_weight = WeightPerGas::get() * 21_000;
+		let base_extrinsic = <Runtime as frame_system::Config>::BlockWeights::get()
+			.get(frame_support::dispatch::DispatchClass::Normal)
+			.base_extrinsic;
+
+		assert!(base_extrinsic.ref_time() <= min_ethereum_transaction_weight.ref_time());
+	}
+
+	fn ethereum_constants_are_correctly() {
+		assert_eq!(<<Runtime as pallet_ethereum::Config>::ExtraDataLength as Get<u32>>::get(), 64);
+		assert_eq!(
+			<Runtime as pallet_ethereum::Config>::PostLogContent::get() as u8,
+			PostLogContent::BlockAndTxnHashes as u8
+		);
+	}
+
+	#[test]
+	fn evm_constants_are_correctly() {
+		assert_eq!(BlockGasLimit::get(), U256::from(20_000_000));
+		assert_eq!(WeightPerGas::get().ref_time(), 18750);
+		assert_eq!(GasLimitPovSizeRatio::get(), 6);
+	}
+
+	#[test]
+	fn pallet_evm_calls_only_callable_by_root() {
+		ExtBuilder::default().build().execute_with(|| {
+			// https://github.com/darwinia-network/darwinia/blob/5923b2e0526b67fe05cee6e4e592ceca80e8f2ff/runtime/darwinia/src/pallets/evm.rs#L136
+			assert_err!(
+				EVM::call(
+					RuntimeOrigin::signed(H160::default().into()),
+					H160::default(),
+					H160::default(),
+					vec![],
+					U256::default(),
+					1000000,
+					U256::from(1_000_000),
+					None,
+					None,
+					vec![],
+				),
+				DispatchError::BadOrigin
+			);
+
+			if let Err(dispatch_info_with_err) = EVM::call(
+				RuntimeOrigin::root(),
+				H160::default(),
+				H160::default(),
+				vec![],
+				U256::default(),
+				1000000,
+				U256::from(1_000_000),
+				None,
+				None,
+				vec![],
+			) {
+				assert_eq!(
+					dispatch_info_with_err.error,
+					DispatchError::Module(ModuleError {
+						index: 37,
+						error: [4, 0, 0, 0],
+						message: Some("GasPriceTooLow")
+					})
+				);
+			}
+		});
+	}
+
+	#[test]
+	fn dispatch_validator_filter_runtime_calls() {
+		ExtBuilder::default().build().execute_with(|| {
+			assert!(DarwiniaDispatchValidator::validate_before_dispatch(
+				&H160::default().into(),
+				&RuntimeCall::System(frame_system::Call::remark { remark: vec![] })
+			)
+			.is_none());
+
+			assert!(DarwiniaDispatchValidator::validate_before_dispatch(
+				&H160::default().into(),
+				// forbidden call
+				&RuntimeCall::EVM(pallet_evm::Call::call {
+					source: H160::default(),
+					target: H160::default(),
+					input: vec![],
+					value: U256::default(),
+					gas_limit: 1000000,
+					max_fee_per_gas: U256::from(1_000_000),
+					max_priority_fee_per_gas: None,
+					nonce: None,
+					access_list: vec![],
+				})
+			)
+			.is_some());
+		});
+	}
+
+	#[test]
+	fn dispatch_validator_filter_dispatch_class() {
+		ExtBuilder::default().build().execute_with(|| {
+			// Default class
+			assert!(DarwiniaDispatchValidator::validate_before_dispatch(
+				&H160::default().into(),
+				&RuntimeCall::System(frame_system::Call::remark { remark: vec![] })
+			)
+			.is_none());
+
+			// Operational class
+			assert!(DarwiniaDispatchValidator::validate_before_dispatch(
+				&H160::default().into(),
+				&RuntimeCall::System(frame_system::Call::set_heap_pages { pages: 20 })
+			)
+			.is_none());
+
+			// Mandatory class
+			assert!(DarwiniaDispatchValidator::validate_before_dispatch(
+				&H160::default().into(),
+				&RuntimeCall::Timestamp(pallet_timestamp::Call::set { now: 100 })
+			)
+			.is_some());
+		});
+	}
+}