Grcov report

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// Copyright 2019-2025 PureStake Inc.

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// This file is part of Moonbeam.

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// Moonbeam is free software: you can redistribute it and/or modify

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// it under the terms of the GNU General Public License as published by

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// the Free Software Foundation, either version 3 of the License, or

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// (at your option) any later version.

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// Moonbeam is distributed in the hope that it will be useful,

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// but WITHOUT ANY WARRANTY; without even the implied warranty of

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

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// GNU General Public License for more details.

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// You should have received a copy of the GNU General Public License

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// along with Moonbeam.  If not, see <http://www.gnu.org/licenses/>.

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use crate::{mock::*, Error, RawOrigin};

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use ethereum_types::{H160, U256};

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use frame_support::{

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	assert_noop, assert_ok,

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	dispatch::{Pays, PostDispatchInfo},

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	traits::{ConstU32, Get},

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	weights::Weight,

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	BoundedVec,

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};

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use sp_runtime::{DispatchError, DispatchErrorWithPostInfo};

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use xcm_primitives::{EthereumXcmTransaction, EthereumXcmTransactionV2};

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// 	pragma solidity ^0.6.6;

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// 	contract Test {

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// 		function foo() external pure returns (bool) {

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// 			return true;

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// 		}

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// 		function bar() external pure {

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// 			require(false, "error_msg");

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// 		}

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// 	}

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const CONTRACT: &str = "608060405234801561001057600080fd5b50610113806100206000396000f3fe6080604052\

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						348015600f57600080fd5b506004361060325760003560e01c8063c2985578146037578063\

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						febb0f7e146057575b600080fd5b603d605f565b6040518082151515158152602001915050\

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						60405180910390f35b605d6068565b005b60006001905090565b600060db576040517f08c3\

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						79a00000000000000000000000000000000000000000000000000000000081526004018080\

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						602001828103825260098152602001807f6572726f725f6d73670000000000000000000000\

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						00000000000000000000000081525060200191505060405180910390fd5b56fea264697066\

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						7358221220fde68a3968e0e99b16fabf9b2997a78218b32214031f8e07e2c502daf603a69e\

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						64736f6c63430006060033";

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47

12

fn xcm_evm_transfer_eip_1559_transaction(destination: H160, value: U256) -> EthereumXcmTransaction {

48

12

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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		gas_limit: U256::from(0x5208),

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		action: ethereum::TransactionAction::Call(destination),

51

12

		value,

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		input:

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			BoundedVec::<u8, ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>>::try_from(

54

12

				vec![],

55

12

56

12

			.unwrap(),

57

12

		access_list: None,

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12

})

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12

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61

2

fn xcm_evm_call_eip_1559_transaction(destination: H160, input: Vec<u8>) -> EthereumXcmTransaction {

62

2

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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		gas_limit: U256::from(0x100000),

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		action: ethereum::TransactionAction::Call(destination),

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		value: U256::zero(),

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2

		input:

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			BoundedVec::<u8, ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>>::try_from(

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				input,

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2

70

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			.unwrap(),

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		access_list: None,

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2

})

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2

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75

1

fn xcm_erc20_creation_eip_1559_transaction() -> EthereumXcmTransaction {

76

1

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

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1

		gas_limit: U256::from(0x100000),

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1

		action: ethereum::TransactionAction::Create,

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1

		value: U256::zero(),

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1

		input:

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			BoundedVec::<u8, ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>>::try_from(

82

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				hex::decode(CONTRACT).unwrap(),

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1

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			.unwrap(),

85

1

		access_list: None,

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1

})

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1

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#[test]

90

1

fn test_transact_xcm_evm_transfer() {

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1

	let (pairs, mut ext) = new_test_ext(2);

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1

	let alice = &pairs[0];

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	let bob = &pairs[1];

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1

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	ext.execute_with(|| {

96

1

		let balances_before = System::account(&bob.account_id);

97

1

		EthereumXcm::transact(

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			RawOrigin::XcmEthereumTransaction(alice.address).into(),

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			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

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1

101

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		.expect("Failed to execute transaction");

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1

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		assert_eq!(

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			System::account(&bob.account_id).data.free,

105

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			balances_before.data.free + 100

106

1

);

107

1

});

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1

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#[test]

111

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fn test_transact_xcm_create() {

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	let (pairs, mut ext) = new_test_ext(1);

113

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	let alice = &pairs[0];

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1

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	ext.execute_with(|| {

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		assert_noop!(

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			EthereumXcm::transact(

118

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				RawOrigin::XcmEthereumTransaction(alice.address).into(),

119

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				xcm_erc20_creation_eip_1559_transaction()

120

1

),

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			DispatchErrorWithPostInfo {

122

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				post_info: PostDispatchInfo {

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					actual_weight: Some(Weight::zero()),

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					pays_fee: Pays::Yes,

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1

},

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				error: DispatchError::Other("Cannot convert xcm payload to known type"),

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1

128

1

);

129

1

});

130

1

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#[test]

133

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fn test_transact_xcm_evm_call_works() {

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	let (pairs, mut ext) = new_test_ext(2);

135

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	let alice = &pairs[0];

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	let bob = &pairs[1];

137

1

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	ext.execute_with(|| {

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		let t = EIP1559UnsignedTransaction {

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			nonce: U256::zero(),

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			max_priority_fee_per_gas: U256::one(),

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			max_fee_per_gas: U256::one(),

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			gas_limit: U256::from(0x100000),

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			action: ethereum::TransactionAction::Create,

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			value: U256::zero(),

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			input: hex::decode(CONTRACT).unwrap(),

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1

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		.sign(&alice.private_key, None);

149

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		assert_ok!(Ethereum::execute(alice.address, &t, None, None));

150

151

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		let contract_address = hex::decode("32dcab0ef3fb2de2fce1d2e0799d36239671f04a").unwrap();

152

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		let foo = hex::decode("c2985578").unwrap();

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		let bar = hex::decode("febb0f7e").unwrap();

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1

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		let _ = EthereumXcm::transact(

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			RawOrigin::XcmEthereumTransaction(bob.address).into(),

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			xcm_evm_call_eip_1559_transaction(H160::from_slice(&contract_address), foo),

158

1

159

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		.expect("Failed to call `foo`");

160

1

161

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		// Evm call failing still succesfully dispatched

162

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		let _ = EthereumXcm::transact(

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			RawOrigin::XcmEthereumTransaction(bob.address).into(),

164

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			xcm_evm_call_eip_1559_transaction(H160::from_slice(&contract_address), bar),

165

1

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		.expect("Failed to call `bar`");

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1

168

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		assert!(pallet_ethereum::Pending::<Test>::count() == 2);

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		// Transaction is in Pending storage, with nonce 0 and status 1 (evm succeed).

171

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		let (transaction_0, _, receipt_0) = &pallet_ethereum::Pending::<Test>::get(0).unwrap();

172

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		match (transaction_0, receipt_0) {

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			(&crate::Transaction::EIP1559(ref t), &crate::Receipt::EIP1559(ref r)) => {

174

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				assert!(t.nonce == U256::from(0u8));

175

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				assert!(r.status_code == 1u8);

176

177

			_ => unreachable!(),

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179

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		// Transaction is in Pending storage, with nonce 1 and status 0 (evm failed).

181

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		let (transaction_1, _, receipt_1) = &pallet_ethereum::Pending::<Test>::get(1).unwrap();

182

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		match (transaction_1, receipt_1) {

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			(&crate::Transaction::EIP1559(ref t), &crate::Receipt::EIP1559(ref r)) => {

184

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				assert!(t.nonce == U256::from(1u8));

185

1

				assert!(r.status_code == 0u8);

186

187

			_ => unreachable!(),

188

189

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});

190

1

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#[test]

193

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fn test_transact_xcm_validation_works() {

194

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	let (pairs, mut ext) = new_test_ext(2);

195

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	let alice = &pairs[0];

196

1

	let bob = &pairs[1];

197

1

198

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	ext.execute_with(|| {

199

1

		// Not enough gas limit to cover the transaction cost.

200

1

		assert_noop!(

201

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			EthereumXcm::transact(

202

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				RawOrigin::XcmEthereumTransaction(alice.address).into(),

203

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				EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

204

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					gas_limit: U256::from(0x5207),

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					action: ethereum::TransactionAction::Call(bob.address),

206

1

					value: U256::one(),

207

1

					input: BoundedVec::<

208

1

u8,

209

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						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

210

1

					>::try_from(vec![])

211

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					.unwrap(),

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					access_list: None,

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}),

214

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),

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			DispatchErrorWithPostInfo {

216

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				post_info: PostDispatchInfo {

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					actual_weight: Some(Weight::zero()),

218

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					pays_fee: Pays::Yes,

219

1

},

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				error: DispatchError::Other("Failed to validate ethereum transaction"),

221

1

222

1

);

223

1

});

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1

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#[test]

227

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fn test_ensure_transact_xcm_trough_no_proxy_error() {

228

1

	let (pairs, mut ext) = new_test_ext(2);

229

1

	let alice = &pairs[0];

230

1

	let bob = &pairs[1];

231

1

232

1

	ext.execute_with(|| {

233

1

		let r = EthereumXcm::transact_through_proxy(

234

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			RawOrigin::XcmEthereumTransaction(alice.address).into(),

235

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			bob.address,

236

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			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

237

1

);

238

1

		assert!(r.is_err());

239

1

		assert_eq!(

240

1

			r.unwrap_err().error,

241

1

			sp_runtime::DispatchError::Other("proxy error: expected `ProxyType::Any`"),

242

1

);

243

1

});

244

1

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#[test]

247

1

fn test_ensure_transact_xcm_trough_proxy_error() {

248

1

	let (pairs, mut ext) = new_test_ext(2);

249

1

	let alice = &pairs[0];

250

1

	let bob = &pairs[1];

251

1

252

1

	ext.execute_with(|| {

253

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		let _ = Proxy::add_proxy_delegate(

254

1

			&bob.account_id,

255

1

			alice.account_id.clone(),

256

1

			ProxyType::NotAllowed,

257

1

0,

258

1

);

259

1

		let r = EthereumXcm::transact_through_proxy(

260

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			RawOrigin::XcmEthereumTransaction(alice.address).into(),

261

1

			bob.address,

262

1

			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

263

1

);

264

1

		assert!(r.is_err());

265

1

		assert_eq!(

266

1

			r.unwrap_err().error,

267

1

			sp_runtime::DispatchError::Other("proxy error: expected `ProxyType::Any`"),

268

1

);

269

1

});

270

1

271

272

#[test]

273

1

fn test_ensure_transact_xcm_trough_proxy_ok() {

274

1

	let (pairs, mut ext) = new_test_ext(3);

275

1

	let alice = &pairs[0];

276

1

	let bob = &pairs[1];

277

1

	let charlie = &pairs[2];

278

1

279

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	let allowed_proxies = vec![ProxyType::Any];

280

281

1

	for proxy in allowed_proxies.into_iter() {

282

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		ext.execute_with(|| {

283

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			let _ = Proxy::add_proxy_delegate(&bob.account_id, alice.account_id.clone(), proxy, 0);

284

1

			let alice_before = System::account(&alice.account_id);

285

1

			let bob_before = System::account(&bob.account_id);

286

1

			let charlie_before = System::account(&charlie.account_id);

287

1

288

1

			let r = EthereumXcm::transact_through_proxy(

289

1

				RawOrigin::XcmEthereumTransaction(alice.address).into(),

290

1

				bob.address,

291

1

				xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::from(100)),

292

1

);

293

1

			// Transact succeeded

294

1

			assert!(r.is_ok());

295

296

1

			let alice_after = System::account(&alice.account_id);

297

1

			let bob_after = System::account(&bob.account_id);

298

1

			let charlie_after = System::account(&charlie.account_id);

299

1

300

1

			// Alice remains unchanged

301

1

			assert_eq!(alice_before, alice_after);

302

303

			// Bob nonce was increased

304

1

			assert_eq!(bob_after.nonce, bob_before.nonce + 1);

305

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			// Bob sent some funds without paying any fees

307

1

			assert_eq!(bob_after.data.free, bob_before.data.free - 100);

308

309

			// Charlie receive some funds

310

1

			assert_eq!(charlie_after.data.free, charlie_before.data.free + 100);

311

312

			// Clear proxy

313

			let _ =

314

1

				Proxy::remove_proxy_delegate(&bob.account_id, alice.account_id.clone(), proxy, 0);

315

1

});

316

1

317

1

318

319

#[test]

320

1

fn test_global_nonce_incr() {

321

1

	let (pairs, mut ext) = new_test_ext(3);

322

1

	let alice = &pairs[0];

323

1

	let bob = &pairs[1];

324

1

	let charlie = &pairs[2];

325

1

326

1

	ext.execute_with(|| {

327

1

		assert_eq!(EthereumXcm::nonce(), U256::zero());

328

329

1

		EthereumXcm::transact(

330

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

331

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

332

1

333

1

		.expect("Failed to execute transaction from Alice to Charlie");

334

1

335

1

		assert_eq!(EthereumXcm::nonce(), U256::one());

336

337

1

		EthereumXcm::transact(

338

1

			RawOrigin::XcmEthereumTransaction(bob.address).into(),

339

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

340

1

341

1

		.expect("Failed to execute transaction from Bob to Charlie");

342

1

343

1

		assert_eq!(EthereumXcm::nonce(), U256::from(2));

344

1

});

345

1

346

347

#[test]

348

1

fn test_global_nonce_not_incr() {

349

1

	let (pairs, mut ext) = new_test_ext(2);

350

1

	let alice = &pairs[0];

351

1

	let bob = &pairs[1];

352

1

353

1

	ext.execute_with(|| {

354

1

		assert_eq!(EthereumXcm::nonce(), U256::zero());

355

356

1

		let invalid_transaction_cost =

357

1

			EthereumXcmTransaction::V2(

358

1

				EthereumXcmTransactionV2 {

359

1

					gas_limit: U256::one(),

360

1

					action: ethereum::TransactionAction::Call(bob.address),

361

1

					value: U256::one(),

362

1

					input: BoundedVec::<

363

1

u8,

364

1

						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

365

1

					>::try_from(vec![])

366

1

					.unwrap(),

367

1

					access_list: None,

368

1

},

369

1

);

370

1

371

1

		EthereumXcm::transact(

372

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

373

1

			invalid_transaction_cost,

374

1

375

1

		.expect_err("Failed to execute transaction from Alice to Bob");

376

1

377

1

		assert_eq!(EthereumXcm::nonce(), U256::zero());

378

1

});

379

1

380

381

#[test]

382

1

fn test_transaction_hash_collision() {

383

1

	let (pairs, mut ext) = new_test_ext(3);

384

1

	let alice = &pairs[0];

385

1

	let bob = &pairs[1];

386

1

	let charlie = &pairs[2];

387

1

388

1

	ext.execute_with(|| {

389

1

		EthereumXcm::transact(

390

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

391

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

392

1

393

1

		.expect("Failed to execute transaction from Alice to Charlie");

394

1

395

1

		EthereumXcm::transact(

396

1

			RawOrigin::XcmEthereumTransaction(bob.address).into(),

397

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::one()),

398

1

399

1

		.expect("Failed to execute transaction from Bob to Charlie");

400

1

401

1

		let mut hashes = pallet_ethereum::Pending::<Test>::iter_values()

402

2

			.map(|(tx, _, _)| tx.hash())

403

1

			.collect::<Vec<ethereum_types::H256>>();

404

1

405

1

		// Holds two transactions hashes

406

1

		assert_eq!(hashes.len(), 2);

407

408

1

		hashes.dedup();

409

1

410

1

		// Still holds two transactions hashes after removing potential consecutive repeated values.

411

1

		assert_eq!(hashes.len(), 2);

412

1

});

413

1

414

415

#[test]

416

1

fn check_suspend_ethereum_to_xcm_works() {

417

1

	let (pairs, mut ext) = new_test_ext(2);

418

1

	let alice = &pairs[0];

419

1

	let bob = &pairs[1];

420

1

421

1

	let db_weights: frame_support::weights::RuntimeDbWeight =

422

1

		<Test as frame_system::Config>::DbWeight::get();

423

1

424

1

	ext.execute_with(|| {

425

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

426

1

			RuntimeOrigin::root(),

427

1

));

428

1

		assert_noop!(

429

1

			EthereumXcm::transact(

430

1

				RawOrigin::XcmEthereumTransaction(alice.address).into(),

431

1

				xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

432

1

),

433

1

			DispatchErrorWithPostInfo {

434

1

				error: Error::<Test>::EthereumXcmExecutionSuspended.into(),

435

1

				post_info: PostDispatchInfo {

436

1

					actual_weight: Some(db_weights.reads(1)),

437

1

					pays_fee: Pays::Yes

438

1

439

1

440

1

);

441

442

1

		assert_noop!(

443

1

			EthereumXcm::transact_through_proxy(

444

1

				RawOrigin::XcmEthereumTransaction(alice.address).into(),

445

1

				bob.address,

446

1

				xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

447

1

),

448

1

			DispatchErrorWithPostInfo {

449

1

				error: Error::<Test>::EthereumXcmExecutionSuspended.into(),

450

1

				post_info: PostDispatchInfo {

451

1

					actual_weight: Some(db_weights.reads(1)),

452

1

					pays_fee: Pays::Yes

453

1

454

1

455

1

);

456

1

});

457

1

458

459

#[test]

460

1

fn transact_after_resume_ethereum_to_xcm_works() {

461

1

	let (pairs, mut ext) = new_test_ext(2);

462

1

	let alice = &pairs[0];

463

1

	let bob = &pairs[1];

464

1

465

1

	ext.execute_with(|| {

466

1

		let bob_before = System::account(&bob.account_id);

467

1

468

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

469

1

			RuntimeOrigin::root()

470

1

));

471

472

1

		assert_ok!(EthereumXcm::resume_ethereum_xcm_execution(

473

1

			RuntimeOrigin::root()

474

1

));

475

1

		assert_ok!(EthereumXcm::transact(

476

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

477

1

			xcm_evm_transfer_eip_1559_transaction(bob.address, U256::from(100)),

478

1

));

479

1

		let bob_after = System::account(&bob.account_id);

480

1

481

1

		// Bob sent some funds without paying any fees

482

1

		assert_eq!(bob_after.data.free, bob_before.data.free + 100);

483

1

});

484

1

485

486

#[test]

487

1

fn transact_through_proxy_after_resume_ethereum_to_xcm_works() {

488

1

	let (pairs, mut ext) = new_test_ext(3);

489

1

	let alice = &pairs[0];

490

1

	let bob = &pairs[1];

491

1

	let charlie = &pairs[2];

492

1

493

1

	ext.execute_with(|| {

494

1

		let _ =

495

1

			Proxy::add_proxy_delegate(&bob.account_id, alice.account_id.clone(), ProxyType::Any, 0);

496

1

		let alice_before = System::account(&alice.account_id);

497

1

		let bob_before = System::account(&bob.account_id);

498

1

		let charlie_before = System::account(&charlie.account_id);

499

1

500

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

501

1

			RuntimeOrigin::root()

502

1

));

503

504

1

		assert_ok!(EthereumXcm::resume_ethereum_xcm_execution(

505

1

			RuntimeOrigin::root()

506

1

));

507

1

		assert_ok!(EthereumXcm::transact_through_proxy(

508

1

			RawOrigin::XcmEthereumTransaction(alice.address).into(),

509

1

			bob.address,

510

1

			xcm_evm_transfer_eip_1559_transaction(charlie.address, U256::from(100)),

511

1

));

512

513

1

		let alice_after = System::account(&alice.account_id);

514

1

		let bob_after = System::account(&bob.account_id);

515

1

		let charlie_after = System::account(&charlie.account_id);

516

1

517

1

		// Alice remains unchanged

518

1

		assert_eq!(alice_before, alice_after);

519

520

		// Bob nonce was increased

521

1

		assert_eq!(bob_after.nonce, bob_before.nonce + 1);

522

523

		// Bob sent some funds without paying any fees

524

1

		assert_eq!(bob_after.data.free, bob_before.data.free - 100);

525

526

		// Charlie receive some funds

527

1

		assert_eq!(charlie_after.data.free, charlie_before.data.free + 100);

528

1

});

529

1