Grcov report - eip1559.rs

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// Copyright 2019-2022 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 super::*;

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use frame_support::{

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	assert_noop,

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	dispatch::{Pays, PostDispatchInfo},

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	traits::ConstU32,

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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::{EthereumXcmFee, EthereumXcmTransaction, EthereumXcmTransactionV1};

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

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	EthereumXcmTransaction::V1(EthereumXcmTransactionV1 {

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		fee_payment: EthereumXcmFee::Auto,

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		gas_limit: U256::from(0x5208),

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

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		value,

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		input:

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

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				vec![],

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8

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			.unwrap(),

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		access_list: None,

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})

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8

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

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	EthereumXcmTransaction::V1(EthereumXcmTransactionV1 {

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		fee_payment: EthereumXcmFee::Auto,

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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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		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

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			.unwrap(),

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		access_list: None,

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})

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2

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fn xcm_erc20_creation_eip_1559_transaction() -> EthereumXcmTransaction {

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	EthereumXcmTransaction::V1(EthereumXcmTransactionV1 {

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		fee_payment: EthereumXcmFee::Auto,

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1

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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:

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

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

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1

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			.unwrap(),

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		access_list: None,

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})

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1

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#[test]

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fn test_transact_xcm_evm_transfer() {

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

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	let alice = &pairs[0];

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	let bob = &pairs[1];

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1

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	ext.execute_with(|| {

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

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		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

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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,

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			balances_before.data.free + 100

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);

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});

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#[test]

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fn test_transact_xcm_create() {

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

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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(

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

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				xcm_erc20_creation_eip_1559_transaction()

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),

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			DispatchErrorWithPostInfo {

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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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},

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

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1

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);

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});

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#[test]

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fn test_transact_xcm_evm_call_works() {

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

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	let alice = &pairs[0];

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	let bob = &pairs[1];

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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::from(1),

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			max_fee_per_gas: U256::from(1),

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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);

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

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

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

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

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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),

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1

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

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		// Evm call failing still succesfully dispatched

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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), bar),

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

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

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

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

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

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		match (transaction_0, receipt_0) {

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

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

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

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			_ => unreachable!(),

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

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

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		match (transaction_1, receipt_1) {

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

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

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

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			_ => unreachable!(),

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});

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#[test]

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fn test_transact_xcm_validation_works() {

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

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	let alice = &pairs[0];

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	let bob = &pairs[1];

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	ext.execute_with(|| {

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

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		assert_noop!(

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			EthereumXcm::transact(

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

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				EthereumXcmTransaction::V1(EthereumXcmTransactionV1 {

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					fee_payment: EthereumXcmFee::Manual(xcm_primitives::ManualEthereumXcmFee {

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						gas_price: Some(U256::from(0)),

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						max_fee_per_gas: None,

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}),

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					gas_limit: U256::from(0x5207),

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

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					value: U256::from(1),

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					input: BoundedVec::<

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u8,

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						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

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					>::try_from(vec![])

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					.unwrap(),

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					access_list: None,

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}),

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),

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			DispatchErrorWithPostInfo {

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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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},

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

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);

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});

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#[test]

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fn test_ensure_transact_xcm_trough_no_proxy_error() {

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

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	let alice = &pairs[0];

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	let bob = &pairs[1];

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1

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	ext.execute_with(|| {

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		let r = EthereumXcm::transact_through_proxy(

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

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			bob.address,

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

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);

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		assert!(r.is_err());

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		assert_eq!(

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			r.unwrap_err().error,

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

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);

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});

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#[test]

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fn test_ensure_transact_xcm_trough_proxy_error() {

257

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

258

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	let alice = &pairs[0];

259

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	let bob = &pairs[1];

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1

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	ext.execute_with(|| {

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		let _ = Proxy::add_proxy_delegate(

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			&bob.account_id,

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			alice.account_id.clone(),

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			ProxyType::NotAllowed,

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0,

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1

);

268

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		let r = EthereumXcm::transact_through_proxy(

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

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			bob.address,

271

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

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1

);

273

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		assert!(r.is_err());

274

1

		assert_eq!(

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			r.unwrap_err().error,

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

277

1

);

278

1

});

279

1

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#[test]

282

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fn test_ensure_transact_xcm_trough_proxy_ok() {

283

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

284

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	let alice = &pairs[0];

285

1

	let bob = &pairs[1];

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1

	let charlie = &pairs[2];

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1

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

289

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	for proxy in allowed_proxies.into_iter() {

291

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		ext.execute_with(|| {

292

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

293

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

294

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

295

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

296

1

297

1

			let r = EthereumXcm::transact_through_proxy(

298

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

299

1

				bob.address,

300

1

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

301

1

);

302

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			// Transact succeeded

303

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			assert!(r.is_ok());

304

305

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

306

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

307

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

308

1

309

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			// Alice remains unchanged

310

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			assert_eq!(alice_before, alice_after);

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			// Bob nonce was increased

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

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			// Bob sent some funds without paying any fees

316

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

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			// Charlie receive some funds

319

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

320

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			// Clear proxy

322

			let _ =

323

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

324

1

});

325

1

326

1

327

328

#[test]

329

1

fn test_global_nonce_incr() {

330

1

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

331

1

	let alice = &pairs[0];

332

1

	let bob = &pairs[1];

333

1

	let charlie = &pairs[2];

334

1

335

1

	ext.execute_with(|| {

336

1

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

337

338

1

		EthereumXcm::transact(

339

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

340

1

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

341

1

342

1

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

343

1

344

1

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

345

346

1

		EthereumXcm::transact(

347

1

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

348

1

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

349

1

350

1

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

351

1

352

1

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

353

1

});

354

1

355

356

#[test]

357

1

fn test_global_nonce_not_incr() {

358

1

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

359

1

	let alice = &pairs[0];

360

1

	let bob = &pairs[1];

361

1

362

1

	ext.execute_with(|| {

363

1

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

364

365

1

		let invalid_transaction_cost =

366

1

			EthereumXcmTransaction::V1(

367

1

				EthereumXcmTransactionV1 {

368

1

					fee_payment: EthereumXcmFee::Auto,

369

1

					gas_limit: U256::one(),

370

1

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

371

1

					value: U256::one(),

372

1

					input: BoundedVec::<

373

1

u8,

374

1

						ConstU32<{ xcm_primitives::MAX_ETHEREUM_XCM_INPUT_SIZE }>,

375

1

					>::try_from(vec![])

376

1

					.unwrap(),

377

1

					access_list: None,

378

1

},

379

1

);

380

1

381

1

		EthereumXcm::transact(

382

1

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

383

1

			invalid_transaction_cost,

384

1

385

1

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

386

1

387

1

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

388

1

});

389

1

390

391

#[test]

392

1

fn test_transaction_hash_collision() {

393

1

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

394

1

	let alice = &pairs[0];

395

1

	let bob = &pairs[1];

396

1

	let charlie = &pairs[2];

397

1

398

1

	ext.execute_with(|| {

399

1

		EthereumXcm::transact(

400

1

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

401

1

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

402

1

403

1

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

404

1

405

1

		EthereumXcm::transact(

406

1

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

407

1

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

408

1

409

1

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

410

1

411

1

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

412

1

			.iter()

413

2

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

414

1

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

415

1

416

1

		// Holds two transactions hashes

417

1

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

418

419

1

		hashes.dedup();

420

1

421

1

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

422

1

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

423

1

});

424

1