Grcov report

1

// Copyright 2019-2022 PureStake Inc.

2

// This file is part of Moonbeam.

3

4

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

5

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

6

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

7

// (at your option) any later version.

8

9

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

10

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

11

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

12

// GNU General Public License for more details.

13

14

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

15

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

16

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

17

use ethereum_types::{H160, U256};

18

use frame_support::{

19

	assert_noop, assert_ok,

20

	dispatch::{Pays, PostDispatchInfo},

21

	traits::{ConstU32, Get},

22

	weights::Weight,

23

	BoundedVec,

24

};

25

use sp_runtime::{DispatchError, DispatchErrorWithPostInfo};

26

use xcm_primitives::{EthereumXcmTransaction, EthereumXcmTransactionV2};

27

28

// 	pragma solidity ^0.6.6;

29

// 	contract Test {

30

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

31

// 			return true;

32

// 		}

33

// 		function bar() external pure {

34

// 			require(false, "error_msg");

35

// 		}

36

// 	}

37

const CONTRACT: &str = "608060405234801561001057600080fd5b50610113806100206000396000f3fe6080604052\

38

						348015600f57600080fd5b506004361060325760003560e01c8063c2985578146037578063\

39

						febb0f7e146057575b600080fd5b603d605f565b6040518082151515158152602001915050\

40

						60405180910390f35b605d6068565b005b60006001905090565b600060db576040517f08c3\

41

						79a00000000000000000000000000000000000000000000000000000000081526004018080\

42

						602001828103825260098152602001807f6572726f725f6d73670000000000000000000000\

43

						00000000000000000000000081525060200191505060405180910390fd5b56fea264697066\

44

						7358221220fde68a3968e0e99b16fabf9b2997a78218b32214031f8e07e2c502daf603a69e\

45

						64736f6c63430006060033";

46

47

12

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

48

12

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

49

12

		gas_limit: U256::from(0x5208),

50

12

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

51

12

		value,

52

12

		input:

53

12

			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,

58

12

})

59

12

60

61

2

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

62

2

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

63

2

		gas_limit: U256::from(0x100000),

64

2

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

65

2

		value: U256::zero(),

66

2

		input:

67

2

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

68

2

				input,

69

2

70

2

			.unwrap(),

71

2

		access_list: None,

72

2

})

73

2

74

75

1

fn xcm_erc20_creation_eip_1559_transaction() -> EthereumXcmTransaction {

76

1

	EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

77

1

		gas_limit: U256::from(0x100000),

78

1

		action: ethereum::TransactionAction::Create,

79

1

		value: U256::zero(),

80

1

		input:

81

1

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

82

1

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

83

1

84

1

			.unwrap(),

85

1

		access_list: None,

86

1

})

87

1

88

89

#[test]

90

1

fn test_transact_xcm_evm_transfer() {

91

1

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

92

1

	let alice = &pairs[0];

93

1

	let bob = &pairs[1];

94

1

95

1

	ext.execute_with(|| {

96

1

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

97

1

		EthereumXcm::transact(

98

1

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

99

1

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

100

1

101

1

		.expect("Failed to execute transaction");

102

1

103

1

		assert_eq!(

104

1

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

105

1

			balances_before.data.free + 100

106

1

);

107

1

});

108

1

109

110

#[test]

111

1

fn test_transact_xcm_create() {

112

1

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

113

1

	let alice = &pairs[0];

114

1

115

1

	ext.execute_with(|| {

116

1

		assert_noop!(

117

1

			EthereumXcm::transact(

118

1

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

119

1

				xcm_erc20_creation_eip_1559_transaction()

120

1

),

121

1

			DispatchErrorWithPostInfo {

122

1

				post_info: PostDispatchInfo {

123

1

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

124

1

					pays_fee: Pays::Yes,

125

1

},

126

1

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

127

1

128

1

);

129

1

});

130

1

131

132

#[test]

133

1

fn test_transact_xcm_evm_call_works() {

134

1

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

135

1

	let alice = &pairs[0];

136

1

	let bob = &pairs[1];

137

1

138

1

	ext.execute_with(|| {

139

1

		let t = EIP1559UnsignedTransaction {

140

1

			nonce: U256::zero(),

141

1

			max_priority_fee_per_gas: U256::one(),

142

1

			max_fee_per_gas: U256::one(),

143

1

			gas_limit: U256::from(0x100000),

144

1

			action: ethereum::TransactionAction::Create,

145

1

			value: U256::zero(),

146

1

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

147

1

148

1

		.sign(&alice.private_key, None);

149

1

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

150

151

1

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

152

1

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

153

1

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

154

1

155

1

		let _ = EthereumXcm::transact(

156

1

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

157

1

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

158

1

159

1

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

160

1

161

1

		// Evm call failing still succesfully dispatched

162

1

		let _ = EthereumXcm::transact(

163

1

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

164

1

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

165

1

166

1

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

167

1

168

1

		let pending = pallet_ethereum::Pending::<Test>::get();

169

1

		assert!(pending.len() == 2);

170

171

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

172

1

		let (transaction_0, _, receipt_0) = &pending[0];

173

1

		match (transaction_0, receipt_0) {

174

1

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

175

1

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

176

1

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

177

178

			_ => unreachable!(),

179

180

181

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

182

1

		let (transaction_1, _, receipt_1) = &pending[1];

183

1

		match (transaction_1, receipt_1) {

184

1

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

185

1

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

186

1

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

187

188

			_ => unreachable!(),

189

190

1

});

191

1

192

193

#[test]

194

1

fn test_transact_xcm_validation_works() {

195

1

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

196

1

	let alice = &pairs[0];

197

1

	let bob = &pairs[1];

198

1

199

1

	ext.execute_with(|| {

200

1

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

201

1

		assert_noop!(

202

1

			EthereumXcm::transact(

203

1

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

204

1

				EthereumXcmTransaction::V2(EthereumXcmTransactionV2 {

205

1

					gas_limit: U256::from(0x5207),

206

1

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

207

1

					value: U256::one(),

208

1

					input: BoundedVec::<

209

1

u8,

210

1

						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

211

1

					>::try_from(vec![])

212

1

					.unwrap(),

213

1

					access_list: None,

214

1

}),

215

1

),

216

1

			DispatchErrorWithPostInfo {

217

1

				post_info: PostDispatchInfo {

218

1

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

219

1

					pays_fee: Pays::Yes,

220

1

},

221

1

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

222

1

223

1

);

224

1

});

225

1

226

227

#[test]

228

1

fn test_ensure_transact_xcm_trough_no_proxy_error() {

229

1

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

230

1

	let alice = &pairs[0];

231

1

	let bob = &pairs[1];

232

1

233

1

	ext.execute_with(|| {

234

1

		let r = EthereumXcm::transact_through_proxy(

235

1

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

236

1

			bob.address,

237

1

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

238

1

);

239

1

		assert!(r.is_err());

240

1

		assert_eq!(

241

1

			r.unwrap_err().error,

242

1

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

243

1

);

244

1

});

245

1

246

247

#[test]

248

1

fn test_ensure_transact_xcm_trough_proxy_error() {

249

1

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

250

1

	let alice = &pairs[0];

251

1

	let bob = &pairs[1];

252

1

253

1

	ext.execute_with(|| {

254

1

		let _ = Proxy::add_proxy_delegate(

255

1

			&bob.account_id,

256

1

			alice.account_id.clone(),

257

1

			ProxyType::NotAllowed,

258

1

0,

259

1

);

260

1

		let r = EthereumXcm::transact_through_proxy(

261

1

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

262

1

			bob.address,

263

1

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

264

1

);

265

1

		assert!(r.is_err());

266

1

		assert_eq!(

267

1

			r.unwrap_err().error,

268

1

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

269

1

);

270

1

});

271

1

272

273

#[test]

274

1

fn test_ensure_transact_xcm_trough_proxy_ok() {

275

1

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

276

1

	let alice = &pairs[0];

277

1

	let bob = &pairs[1];

278

1

	let charlie = &pairs[2];

279

1

280

1

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

281

282

1

	for proxy in allowed_proxies.into_iter() {

283

1

		ext.execute_with(|| {

284

1

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

285

1

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

286

1

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

287

1

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

288

1

289

1

			let r = EthereumXcm::transact_through_proxy(

290

1

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

291

1

				bob.address,

292

1

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

293

1

);

294

1

			// Transact succeeded

295

1

			assert!(r.is_ok());

296

297

1

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

298

1

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

299

1

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

300

1

301

1

			// Alice remains unchanged

302

1

			assert_eq!(alice_before, alice_after);

303

304

			// Bob nonce was increased

305

1

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

306

307

			// Bob sent some funds without paying any fees

308

1

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

309

310

			// Charlie receive some funds

311

1

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

312

313

			// Clear proxy

314

			let _ =

315

1

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

316

1

});

317

1

318

1

319

320

#[test]

321

1

fn test_global_nonce_incr() {

322

1

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

323

1

	let alice = &pairs[0];

324

1

	let bob = &pairs[1];

325

1

	let charlie = &pairs[2];

326

1

327

1

	ext.execute_with(|| {

328

1

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

329

330

1

		EthereumXcm::transact(

331

1

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

332

1

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

333

1

334

1

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

335

1

336

1

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

337

338

1

		EthereumXcm::transact(

339

1

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

340

1

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

341

1

342

1

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

343

1

344

1

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

345

1

});

346

1

347

348

#[test]

349

1

fn test_global_nonce_not_incr() {

350

1

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

351

1

	let alice = &pairs[0];

352

1

	let bob = &pairs[1];

353

1

354

1

	ext.execute_with(|| {

355

1

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

356

357

1

		let invalid_transaction_cost =

358

1

			EthereumXcmTransaction::V2(

359

1

				EthereumXcmTransactionV2 {

360

1

					gas_limit: U256::one(),

361

1

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

362

1

					value: U256::one(),

363

1

					input: BoundedVec::<

364

1

u8,

365

1

						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

366

1

					>::try_from(vec![])

367

1

					.unwrap(),

368

1

					access_list: None,

369

1

},

370

1

);

371

1

372

1

		EthereumXcm::transact(

373

1

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

374

1

			invalid_transaction_cost,

375

1

376

1

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

377

1

378

1

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

379

1

});

380

1

381

382

#[test]

383

1

fn test_transaction_hash_collision() {

384

1

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

385

1

	let alice = &pairs[0];

386

1

	let bob = &pairs[1];

387

1

	let charlie = &pairs[2];

388

1

389

1

	ext.execute_with(|| {

390

1

		EthereumXcm::transact(

391

1

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

392

1

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

393

1

394

1

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

395

1

396

1

		EthereumXcm::transact(

397

1

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

398

1

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

399

1

400

1

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

401

1

402

1

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

403

1

			.iter()

404

2

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

405

1

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

406

1

407

1

		// Holds two transactions hashes

408

1

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

409

410

1

		hashes.dedup();

411

1

412

1

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

413

1

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

414

1

});

415

1

416

417

#[test]

418

1

fn check_suspend_ethereum_to_xcm_works() {

419

1

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

420

1

	let alice = &pairs[0];

421

1

	let bob = &pairs[1];

422

1

423

1

	let db_weights: frame_support::weights::RuntimeDbWeight =

424

1

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

425

1

426

1

	ext.execute_with(|| {

427

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

428

1

			RuntimeOrigin::root(),

429

1

));

430

1

		assert_noop!(

431

1

			EthereumXcm::transact(

432

1

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

433

1

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

434

1

),

435

1

			DispatchErrorWithPostInfo {

436

1

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

437

1

				post_info: PostDispatchInfo {

438

1

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

439

1

					pays_fee: Pays::Yes

440

1

441

1

442

1

);

443

444

1

		assert_noop!(

445

1

			EthereumXcm::transact_through_proxy(

446

1

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

447

1

				bob.address,

448

1

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

449

1

),

450

1

			DispatchErrorWithPostInfo {

451

1

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

452

1

				post_info: PostDispatchInfo {

453

1

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

454

1

					pays_fee: Pays::Yes

455

1

456

1

457

1

);

458

1

});

459

1

460

461

#[test]

462

1

fn transact_after_resume_ethereum_to_xcm_works() {

463

1

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

464

1

	let alice = &pairs[0];

465

1

	let bob = &pairs[1];

466

1

467

1

	ext.execute_with(|| {

468

1

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

469

1

470

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

471

1

			RuntimeOrigin::root()

472

1

));

473

474

1

		assert_ok!(EthereumXcm::resume_ethereum_xcm_execution(

475

1

			RuntimeOrigin::root()

476

1

));

477

1

		assert_ok!(EthereumXcm::transact(

478

1

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

479

1

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

480

1

));

481

1

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

482

1

483

1

		// Bob sent some funds without paying any fees

484

1

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

485

1

});

486

1

487

488

#[test]

489

1

fn transact_through_proxy_after_resume_ethereum_to_xcm_works() {

490

1

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

491

1

	let alice = &pairs[0];

492

1

	let bob = &pairs[1];

493

1

	let charlie = &pairs[2];

494

1

495

1

	ext.execute_with(|| {

496

1

		let _ =

497

1

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

498

1

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

499

1

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

500

1

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

501

1

502

1

		assert_ok!(EthereumXcm::suspend_ethereum_xcm_execution(

503

1

			RuntimeOrigin::root()

504

1

));

505

506

1

		assert_ok!(EthereumXcm::resume_ethereum_xcm_execution(

507

1

			RuntimeOrigin::root()

508

1

));

509

1

		assert_ok!(EthereumXcm::transact_through_proxy(

510

1

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

511

1

			bob.address,

512

1

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

513

1

));

514

515

1

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

516

1

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

517

1

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

518

1

519

1

		// Alice remains unchanged

520

1

		assert_eq!(alice_before, alice_after);

521

522

		// Bob nonce was increased

523

1

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

524

525

		// Bob sent some funds without paying any fees

526

1

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

527

528

		// Charlie receive some funds

529

1

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

530

1

});

531

1