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pallet_revive/
benchmarking.rs

1// This file is part of Substrate.
2
3// Copyright (C) Parity Technologies (UK) Ltd.
4// SPDX-License-Identifier: Apache-2.0
5
6// Licensed under the Apache License, Version 2.0 (the "License");
7// you may not use this file except in compliance with the License.
8// You may obtain a copy of the License at
9//
10// 	http://www.apache.org/licenses/LICENSE-2.0
11//
12// Unless required by applicable law or agreed to in writing, software
13// distributed under the License is distributed on an "AS IS" BASIS,
14// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15// See the License for the specific language governing permissions and
16// limitations under the License.
17
18//! Benchmarks for the revive pallet.
19
20#![cfg(feature = "runtime-benchmarks")]
21use crate::{
22	Pallet as Contracts,
23	access_list::{AccessEntry, AccessList, MAX_ACCESS_LIST_ENTRIES, StorageOp, Warmth},
24	call_builder::{CallSetup, Contract, VmBinaryModule, caller_funding, default_deposit_limit},
25	evm::{
26		TransactionLegacyUnsigned, TransactionSigned, TransactionUnsigned,
27		block_hash::EthereumBlockBuilder, block_storage,
28	},
29	exec::{Key, Origin as ExecOrigin, PrecompileExt},
30	limits,
31	precompiles::{
32		self, BenchmarkStorage, BenchmarkSystem, BuiltinPrecompile,
33		alloy::sol_types::{
34			SolType,
35			sol_data::{Bool, Bytes, FixedBytes, Uint},
36		},
37		run::builtin as run_builtin_precompile,
38	},
39	storage::WriteOutcome,
40	vm::{
41		evm,
42		evm::{Interpreter, instructions, instructions::utility::IntoAddress},
43		pvm,
44	},
45	*,
46};
47use alloc::{vec, vec::Vec};
48use alloy_core::sol_types::{SolInterface, SolValue};
49use codec::{Encode, MaxEncodedLen};
50use frame_benchmarking::v2::*;
51use frame_support::{
52	self, assert_ok,
53	migrations::SteppedMigration,
54	storage::child,
55	traits::{Hooks, fungible::InspectHold},
56	weights::{Weight, WeightMeter},
57};
58use frame_system::RawOrigin;
59use k256::ecdsa::SigningKey;
60use pallet_revive_uapi::{
61	CallFlags, ReturnErrorCode, StorageFlags, pack_hi_lo,
62	precompiles::{storage::IStorage, system::ISystem},
63};
64use revm::bytecode::Bytecode;
65use sp_consensus_aura::AURA_ENGINE_ID;
66use sp_consensus_babe::{
67	BABE_ENGINE_ID,
68	digests::{PreDigest, PrimaryPreDigest},
69};
70use sp_consensus_slots::Slot;
71use sp_runtime::{generic::DigestItem, traits::Zero};
72
73/// How many runs we do per API benchmark.
74///
75/// This is picked more or less arbitrary. We experimented with different numbers until
76/// the results appeared to be stable. Reducing the number would speed up the benchmarks
77/// but might make the results less precise.
78const API_BENCHMARK_RUNS: u32 = 1600;
79
80macro_rules! memory(
81	($($bytes:expr,)*) => {{
82		vec![].iter()$(.chain($bytes.iter()))*.cloned().collect::<Vec<_>>()
83	}};
84);
85
86macro_rules! build_runtime(
87	($runtime:ident, $memory:ident: [$($segment:expr,)*]) => {
88		build_runtime!($runtime, _contract, $memory: [$($segment,)*]);
89	};
90	($runtime:ident, $contract:ident, $memory:ident: [$($bytes:expr,)*]) => {
91		build_runtime!($runtime, $contract);
92		let mut $memory = memory!($($bytes,)*);
93	};
94	($runtime:ident, $contract:ident) => {
95		let mut setup = CallSetup::<T>::default();
96		let $contract = setup.contract();
97		let input = setup.data();
98		let (mut ext, _) = setup.ext();
99		let mut $runtime = $crate::vm::pvm::Runtime::<_, [u8]>::new(&mut ext, input);
100	};
101);
102
103/// Get the pallet account and whitelist it for benchmarking.
104/// The account is warmed up `on_initialize` so read should not impact the PoV.
105fn whitelisted_pallet_account<T: Config>() -> T::AccountId {
106	let pallet_account = Pallet::<T>::account_id();
107	whitelist_account!(pallet_account);
108	pallet_account
109}
110
111/// Delegate `address` to `target` (EIP-7702) without going through signature recovery.
112///
113/// Returns the account id the `seal_call` family expects in guest memory: `address` is never
114/// mapped, so it resolves to its fallback account whose first 20 encoded bytes are `address`.
115fn delegated_eoa<T: Config>(address: H160, target: H160) -> Result<T::AccountId, BenchmarkError> {
116	let account_id = T::AddressMapper::to_fallback_account_id(&address);
117	AccountInfo::<T>::set_delegation(&address, Some(target), &account_id)
118		.map_err(|_| "set_delegation failed")?;
119	Ok(account_id)
120}
121
122#[benchmarks(
123	where
124		T: Config,
125		<T as Config>::RuntimeCall: From<frame_system::Call<T>>,
126		<T as frame_system::Config>::Hash: frame_support::traits::IsType<H256>,
127		OriginFor<T>: From<Origin<T>>,
128)]
129mod benchmarks {
130	use super::*;
131
132	/// The base weight consumed on processing contracts deletion queue.
133	#[benchmark(pov_mode = Measured)]
134	fn deletion_queue_batch() {
135		#[block]
136		{
137			ContractInfo::<T>::process_deletion_queue_batch(&mut WeightMeter::new())
138		}
139	}
140
141	// Benchmark for processing N EIP-7702 authorizations with empty accounts
142	// This measures the overhead of processing the authorization list
143	// Parameter `n`: number of authorizations to process
144	#[benchmark(pov_mode = Measured)]
145	fn process_new_account_authorization(n: Linear<0, 255>) -> Result<(), BenchmarkError> {
146		use crate::evm::eip7702;
147		use sp_io::hashing::keccak_256;
148
149		let caller: T::AccountId = whitelisted_caller();
150		T::Currency::set_balance(&caller, caller_funding::<T>());
151		<T as Config>::FeeInfo::deposit_txfee(
152			<T as Config>::Currency::issue(caller_funding::<T>()),
153		);
154		let chain_id = U256::from(T::ChainId::get());
155		let exec_config = ExecConfig::new_eth_tx(U256::from(1), 0, Weight::MAX);
156
157		// Worst case: every authorization targets a *distinct* contract with *distinct* code
158		// so neither `AccountInfoOf<target>` nor `CodeInfoOf<code_hash>` reads can be cached
159		// across the loop. `dummy_unique(i)` produces a unique blob per index; the contract is
160		// deployed at a unique salt-index so addresses also differ.
161		let mut authorization_list = vec![];
162		for i in 0..n {
163			let target_contract =
164				Contract::<T>::with_index(i + 1, VmBinaryModule::dummy_unique(i), vec![])?;
165			let target = target_contract.address;
166
167			let key_material = keccak_256(&i.to_le_bytes());
168			let key = SigningKey::from_bytes(&key_material.into()).expect("valid key; qed");
169			let signed_auth = eip7702::sign_authorization(&key, chain_id, target, U256::zero());
170			authorization_list.push(signed_auth);
171		}
172
173		let auth_result;
174		#[block]
175		{
176			auth_result =
177				eip7702::process_authorizations::<T>(&authorization_list, &caller, &exec_config);
178		}
179
180		assert_eq!(auth_result.new_accounts, n as u32, "All authorizations should be new");
181		Ok(())
182	}
183
184	// Benchmark for processing N EIP-7702 authorizations with existing accounts.
185	//
186	// Worst case: each authority is *already* delegated to a unique target whose code is
187	// referenced only by that delegation, with the deposit paid by an account other than the
188	// bench's `caller`. Re-delegating to a fresh target then exercises the most expensive paths
189	// per auth:
190	//   - payer-change: full refund to `setup_payer` + full charge from `caller`
191	//   - old-code refcount → 0: `decrement_refcount` removes `CodeInfoOf` + `PristineCode`
192	//   - new-code refcount 0 → 1: `increment_refcount`
193	//
194	// To produce `refcount(old_code) == 1` going into the bench, we directly decrement the
195	// deployment's contribution after setup. This is equivalent to having terminated the old
196	// target (which would also drop the deployment's ref) — `#[block]` only reads the
197	// delegation snapshot's `code_hash`, never `AccountInfoOf[old_target]`, so it doesn't
198	// matter that the latter is still present.
199	//
200	// Parameter `n`: number of authorizations to process
201	#[benchmark(pov_mode = Measured)]
202	fn process_existing_account_authorization(n: Linear<0, 255>) -> Result<(), BenchmarkError> {
203		use crate::evm::eip7702;
204		use sp_io::hashing::keccak_256;
205
206		let caller: T::AccountId = whitelisted_caller();
207		T::Currency::set_balance(&caller, caller_funding::<T>());
208		<T as Config>::FeeInfo::deposit_txfee(
209			<T as Config>::Currency::issue(caller_funding::<T>()),
210		);
211
212		// Distinct payer (≠ `caller`) so the bench takes the payer-change branch in
213		// `process_authorizations` (full refund + full charge per auth) rather than the
214		// same-payer net-diff fast path.
215		let setup_payer: T::AccountId = account("setup_payer", 0, 0);
216		T::Currency::set_balance(&setup_payer, caller_funding::<T>());
217		<T as Config>::FeeInfo::deposit_txfee(
218			<T as Config>::Currency::issue(caller_funding::<T>()),
219		);
220
221		let chain_id = U256::from(T::ChainId::get());
222		let exec_config = ExecConfig::new_eth_tx(U256::from(1), 0, Weight::MAX);
223
224		let mut authorization_list = vec![];
225		for i in 0..n {
226			// Old delegation target with unique code (so each gets its own `CodeInfoOf` entry).
227			let old_target =
228				Contract::<T>::with_index(2 * i + 1, VmBinaryModule::dummy_unique(2 * i), vec![])?;
229			let old_code_hash = <AccountInfoOf<T>>::get(&old_target.address)
230				.and_then(|info| match info.account_type {
231					AccountType::Contract(c) => Some(c.code_hash),
232					_ => None,
233				})
234				.ok_or("old_target should be a Contract")?;
235
236			// Pre-existing delegation paid by `setup_payer`. Bumps the authority's nonce to 1
237			// and brings `refcount(old_code)` to 2 (deployment + delegation snapshot).
238			let key_material = keccak_256(&i.to_le_bytes());
239			let key = SigningKey::from_bytes(&key_material.into()).expect("valid key; qed");
240			let setup_auth =
241				eip7702::sign_authorization(&key, chain_id, old_target.address, U256::zero());
242			let _ = eip7702::process_authorizations::<T>(&[setup_auth], &setup_payer, &exec_config);
243
244			// Drop the deployment's ref so the delegation snapshot is the sole holder. This
245			// mirrors the post-termination storage state without spending setup time on real
246			// contract calls (the bench measures `#[block]`, not setup).
247			let _ =
248				CodeInfo::<T>::decrement_refcount(old_code_hash).map_err(|_| "decrement failed")?;
249
250			// New target (also unique code) that the authority re-delegates to.
251			let new_target = Contract::<T>::with_index(
252				2 * i + 2,
253				VmBinaryModule::dummy_unique(2 * i + 1),
254				vec![],
255			)?;
256
257			// Authority's nonce is 1 after setup, so the re-delegation auth signs with nonce=1.
258			let signed_auth =
259				eip7702::sign_authorization(&key, chain_id, new_target.address, U256::one());
260			authorization_list.push(signed_auth);
261		}
262
263		let auth_result;
264		#[block]
265		{
266			auth_result =
267				eip7702::process_authorizations::<T>(&authorization_list, &caller, &exec_config);
268		}
269
270		assert_eq!(auth_result.new_accounts, 0u32);
271		assert_eq!(auth_result.existing_accounts, n as u32);
272		Ok(())
273	}
274
275	// Measures the per-tuple cost of an authorization that runs through chain_id check
276	// and ecdsa_recover but then fails validation (here: nonce mismatch) — captures the
277	// sig-recovery cost without any account creation/update work.
278	#[benchmark(pov_mode = Measured)]
279	fn process_invalid_authorization(n: Linear<0, 255>) -> Result<(), BenchmarkError> {
280		use crate::evm::eip7702;
281		use sp_io::hashing::keccak_256;
282
283		let chain_id = U256::from(T::ChainId::get());
284		let target_contract = Contract::<T>::with_index(0, VmBinaryModule::dummy(), vec![])?;
285		let target = target_contract.address;
286		let caller: T::AccountId = whitelisted_caller();
287		T::Currency::set_balance(&caller, caller_funding::<T>());
288		<T as Config>::FeeInfo::deposit_txfee(
289			<T as Config>::Currency::issue(caller_funding::<T>()),
290		);
291		let exec_config = ExecConfig::new_eth_tx(U256::from(1), 0, Weight::MAX);
292
293		let mut authorization_list = vec![];
294		for i in 0..n {
295			let key_material = keccak_256(&(i as u32).to_le_bytes());
296			let key = SigningKey::from_bytes(&key_material.into()).expect("valid key; qed");
297			// Force nonce mismatch: signer's nonce is 0, but we sign nonce=1.
298			let signed_auth = eip7702::sign_authorization(&key, chain_id, target, U256::one());
299			authorization_list.push(signed_auth);
300		}
301
302		let auth_result;
303		#[block]
304		{
305			auth_result =
306				eip7702::process_authorizations::<T>(&authorization_list, &caller, &exec_config);
307		}
308
309		assert_eq!(auth_result.new_accounts, 0u32);
310		assert_eq!(auth_result.existing_accounts, 0u32);
311		Ok(())
312	}
313
314	/// Measures the per-entry cost of `process_deletion_queue_batch`: one `DeletionQueue` read
315	/// plus the `DeletionQueue` + `DeletionQueueCounter` writes done by `entry.remove()`.
316	#[benchmark(pov_mode = Measured)]
317	fn deletion_queue_per_entry() -> Result<(), BenchmarkError> {
318		let instance = Contract::<T>::with_storage(VmBinaryModule::dummy(), 0, 0)?;
319		ContractInfo::<T>::queue_for_deletion(
320			instance.info()?.trie_id,
321			instance.account_id.clone(),
322		);
323
324		#[block]
325		{
326			ContractInfo::<T>::process_deletion_queue_batch(&mut WeightMeter::new())
327		}
328
329		assert!(<DeletionQueue<T>>::iter().next().is_none(), "deletion queue should be drained",);
330		Ok(())
331	}
332
333	#[benchmark(skip_meta, pov_mode = Measured)]
334	fn deletion_queue_per_trie_key(k: Linear<0, 1024>) -> Result<(), BenchmarkError> {
335		let instance =
336			Contract::<T>::with_storage(VmBinaryModule::dummy(), k, limits::STORAGE_BYTES)?;
337		ContractInfo::<T>::queue_for_deletion(
338			instance.info()?.trie_id,
339			instance.account_id.clone(),
340		);
341
342		#[block]
343		{
344			ContractInfo::<T>::process_deletion_queue_batch(&mut WeightMeter::new())
345		}
346
347		assert!(<DeletionQueue<T>>::iter().next().is_none(), "deletion queue should be drained",);
348		Ok(())
349	}
350
351	/// Measures the cost of clearing one [`NativeDepositOf`] row during
352	/// [`ContractInfo::process_deletion_queue_batch`]. Pre-populates the contract with `k`
353	/// per-payer rows and queues the contract for deletion with `native_cleared = false` and
354	/// an empty trie. The deletion queue then drains all rows in one go.
355	#[benchmark(skip_meta, pov_mode = Measured)]
356	fn deletion_queue_per_native_deposit_key(k: Linear<0, 1024>) -> Result<(), BenchmarkError> {
357		use frame_benchmarking::v2::account;
358
359		// Empty trie: zero items, zero bytes; we only want to measure native-deposit cleanup.
360		let instance = Contract::<T>::with_storage(VmBinaryModule::dummy(), 0, 0)?;
361		for i in 0..k {
362			let payer: T::AccountId = account("payer", i, 0);
363			NativeDepositOf::<T>::insert(&instance.account_id, &payer, BalanceOf::<T>::default());
364		}
365		ContractInfo::<T>::queue_for_deletion(
366			instance.info()?.trie_id,
367			instance.account_id.clone(),
368		);
369
370		#[block]
371		{
372			ContractInfo::<T>::process_deletion_queue_batch(&mut WeightMeter::new())
373		}
374
375		assert!(<DeletionQueue<T>>::iter().next().is_none(), "deletion queue should be drained",);
376		Ok(())
377	}
378
379	// This benchmarks the overhead of loading a code of size `c` byte from storage and into
380	// the execution engine.
381	//
382	// `call_with_pvm_code_per_byte(c) - call_with_pvm_code_per_byte(0)`
383	//
384	// This does **not** include the actual execution for which the gas meter
385	// is responsible. The code used here will just return on call.
386	//
387	// We expect the influence of `c` to be none in this benchmark because every instruction that
388	// is not in the first basic block is never read. We are primarily interested in the
389	// `proof_size` result of this benchmark.
390	#[benchmark(pov_mode = Measured)]
391	fn call_with_pvm_code_per_byte(c: Linear<0, { 100 * 1024 }>) -> Result<(), BenchmarkError> {
392		let instance =
393			Contract::<T>::with_caller(whitelisted_caller(), VmBinaryModule::sized(c), vec![])?;
394		let value = Pallet::<T>::min_balance();
395		let storage_deposit = default_deposit_limit::<T>();
396
397		#[extrinsic_call]
398		call(
399			RawOrigin::Signed(instance.caller.clone()),
400			instance.address,
401			value,
402			Weight::MAX,
403			storage_deposit,
404			vec![],
405		);
406
407		Ok(())
408	}
409
410	// This benchmarks the overhead of loading a code of size `c` byte from storage and into
411	// the execution engine.
412	/// This is similar to `call_with_pvm_code_per_byte` but for EVM bytecode.
413	#[benchmark(pov_mode = Measured)]
414	fn call_with_evm_code_per_byte(c: Linear<1, { 10 * 1024 }>) -> Result<(), BenchmarkError> {
415		let instance = Contract::<T>::with_caller(
416			whitelisted_caller(),
417			VmBinaryModule::evm_init_code_for_runtime_size(c),
418			vec![],
419		)?;
420		let value = Pallet::<T>::min_balance();
421		let storage_deposit = default_deposit_limit::<T>();
422
423		let code_len = PristineCode::<T>::get(instance.info()?.code_hash)
424			.expect("code should be stored")
425			.len();
426		assert_eq!(
427			code_len, c as usize,
428			"runtime bytecode should be exactly {c} bytes, got {code_len}"
429		);
430
431		#[extrinsic_call]
432		call(
433			RawOrigin::Signed(instance.caller.clone()),
434			instance.address,
435			value,
436			Weight::MAX,
437			storage_deposit,
438			vec![],
439		);
440
441		Ok(())
442	}
443
444	// Measure the amount of time it takes to compile a single basic block.
445	//
446	// (basic_block_compilation(1) - basic_block_compilation(0)).ref_time()
447	//
448	// This is needed because the interpreter will always compile a whole basic block at
449	// a time. To prevent a contract from triggering compilation without doing any execution
450	// we will always charge one max sized block per contract call.
451	//
452	// We ignore the proof size component when using this benchmark as this is already accounted
453	// for in `call_with_pvm_code_per_byte`.
454	#[benchmark(pov_mode = Measured)]
455	fn basic_block_compilation(b: Linear<0, 1>) -> Result<(), BenchmarkError> {
456		let instance = Contract::<T>::with_caller(
457			whitelisted_caller(),
458			VmBinaryModule::with_num_instructions(limits::code::BASIC_BLOCK_SIZE),
459			vec![],
460		)?;
461		let value = Pallet::<T>::min_balance();
462		let storage_deposit = default_deposit_limit::<T>();
463
464		#[block]
465		{
466			Pallet::<T>::call(
467				RawOrigin::Signed(instance.caller.clone()).into(),
468				instance.address,
469				value,
470				Weight::MAX,
471				storage_deposit,
472				vec![],
473			)?;
474		}
475
476		Ok(())
477	}
478
479	// `c`: Size of the code in bytes.
480	// `i`: Size of the input in bytes.
481	#[benchmark(pov_mode = Measured)]
482	fn instantiate_with_code(
483		c: Linear<0, { 100 * 1024 }>,
484		i: Linear<0, { limits::CALLDATA_BYTES }>,
485	) {
486		let pallet_account = whitelisted_pallet_account::<T>();
487		let input = vec![42u8; i as usize];
488		let salt = [42u8; 32];
489		let value = Pallet::<T>::min_balance();
490		let caller = whitelisted_caller();
491		T::Currency::set_balance(&caller, caller_funding::<T>());
492		let VmBinaryModule { code, .. } = VmBinaryModule::sized(c);
493		let origin = RawOrigin::Signed(caller.clone());
494		if !T::AddressMapper::is_mapped(&caller) {
495			T::AddressMapper::map(&caller).unwrap();
496		}
497		let deployer = T::AddressMapper::to_address(&caller);
498		let addr = crate::address::create2(&deployer, &code, &input, &salt);
499		let account_id = T::AddressMapper::to_fallback_account_id(&addr);
500		let storage_deposit = default_deposit_limit::<T>();
501		#[extrinsic_call]
502		_(origin, value, Weight::MAX, storage_deposit, code, input, Some(salt));
503
504		let deposit =
505			T::Currency::balance_on_hold(&HoldReason::StorageDepositReserve.into(), &account_id);
506		// uploading the code reserves some balance in the pallet's account
507		let code_deposit = T::Currency::balance_on_hold(
508			&HoldReason::CodeUploadDepositReserve.into(),
509			&pallet_account,
510		);
511		let mapping_deposit =
512			T::Currency::balance_on_hold(&HoldReason::AddressMapping.into(), &caller);
513		assert_eq!(
514			T::Currency::balance(&caller),
515			caller_funding::<T>() - value - deposit - code_deposit - mapping_deposit,
516		);
517		// contract has the full value
518		assert_eq!(T::Currency::balance(&account_id), value + Pallet::<T>::min_balance());
519	}
520
521	// `c`: Size of the code in bytes.
522	// `i`: Size of the input in bytes.
523	// `d`: with or without dust value to transfer
524	#[benchmark(pov_mode = Measured)]
525	fn eth_instantiate_with_code(
526		c: Linear<0, { 100 * 1024 }>,
527		i: Linear<0, { limits::CALLDATA_BYTES }>,
528		d: Linear<0, 1>,
529	) -> Result<(), BenchmarkError> {
530		let input = vec![42u8; i as usize];
531
532		// Use an `effective_gas_price` that is not a multiple of `T::NativeToEthRatio`
533		// to hit the code that charge the rounding error so that tx_cost == effective_gas_price *
534		// gas_used
535		let effective_gas_price = Pallet::<T>::evm_base_fee() + 1;
536		let value = Pallet::<T>::min_balance();
537		let dust = 42u32 * d;
538		let evm_value =
539			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(value, dust));
540		let caller = whitelisted_caller();
541		T::Currency::set_balance(&caller, caller_funding::<T>());
542		let VmBinaryModule { code, .. } = VmBinaryModule::sized(c);
543		let origin = Origin::EthTransaction(caller.clone());
544		if !T::AddressMapper::is_mapped(&caller) {
545			T::AddressMapper::map(&caller).unwrap();
546		}
547		let deployer = T::AddressMapper::to_address(&caller);
548		let nonce = System::<T>::account_nonce(&caller).try_into().unwrap_or_default();
549		let addr = crate::address::create1(&deployer, nonce);
550
551		assert!(AccountInfoOf::<T>::get(&deployer).is_none());
552
553		<T as Config>::FeeInfo::deposit_txfee(
554			<T as Config>::Currency::issue(caller_funding::<T>()),
555		);
556
557		#[extrinsic_call]
558		_(
559			origin,
560			evm_value,
561			Weight::MAX,
562			U256::MAX,
563			code,
564			input,
565			TransactionSigned::default().signed_payload(),
566			effective_gas_price,
567			0,
568		);
569
570		// contract has the full value
571		assert_eq!(Pallet::<T>::evm_balance(&addr), evm_value);
572		Ok(())
573	}
574
575	#[benchmark(pov_mode = Measured)]
576	fn deposit_eth_extrinsic_revert_event() {
577		#[block]
578		{
579			Pallet::<T>::deposit_event(Event::<T>::EthExtrinsicRevert {
580				dispatch_error: crate::Error::<T>::BenchmarkingError.into(),
581			});
582		}
583	}
584
585	// `i`: Size of the input in bytes.
586	// `s`: Size of e salt in bytes.
587	#[benchmark(pov_mode = Measured)]
588	fn instantiate(i: Linear<0, { limits::CALLDATA_BYTES }>) -> Result<(), BenchmarkError> {
589		let pallet_account = whitelisted_pallet_account::<T>();
590		let input = vec![42u8; i as usize];
591		let salt = [42u8; 32];
592		let value = Pallet::<T>::min_balance();
593		let caller = whitelisted_caller();
594		T::Currency::set_balance(&caller, caller_funding::<T>());
595		let origin = RawOrigin::Signed(caller.clone());
596		if !T::AddressMapper::is_mapped(&caller) {
597			T::AddressMapper::map(&caller).unwrap();
598		}
599		let VmBinaryModule { code, .. } = VmBinaryModule::dummy();
600		let storage_deposit = default_deposit_limit::<T>();
601		let deployer = T::AddressMapper::to_address(&caller);
602		let addr = crate::address::create2(&deployer, &code, &input, &salt);
603		let hash = Contracts::<T>::bare_upload_code(origin.clone().into(), code, storage_deposit)?
604			.code_hash;
605		let account_id = T::AddressMapper::to_fallback_account_id(&addr);
606
607		#[extrinsic_call]
608		_(origin, value, Weight::MAX, storage_deposit, hash, input, Some(salt));
609
610		let deposit =
611			T::Currency::balance_on_hold(&HoldReason::StorageDepositReserve.into(), &account_id);
612		let code_deposit = T::Currency::balance_on_hold(
613			&HoldReason::CodeUploadDepositReserve.into(),
614			&pallet_account,
615		);
616		let mapping_deposit =
617			T::Currency::balance_on_hold(&HoldReason::AddressMapping.into(), &account_id);
618		// value was removed from the caller
619		assert_eq!(
620			T::Currency::total_balance(&caller),
621			caller_funding::<T>() - value - deposit - code_deposit - mapping_deposit,
622		);
623		// contract has the full value
624		assert_eq!(T::Currency::balance(&account_id), value + Pallet::<T>::min_balance());
625
626		Ok(())
627	}
628
629	// We just call a dummy contract to measure the overhead of the call extrinsic.
630	// The size of the data has no influence on the costs of this extrinsic as long as the contract
631	// won't call `seal_call_data_copy` in its constructor to copy the data to contract memory.
632	// The dummy contract used here does not do this. The costs for the data copy is billed as
633	// part of `seal_call_data_copy`. The costs for invoking a contract of a specific size are not
634	// part of this benchmark because we cannot know the size of the contract when issuing a call
635	// transaction. See `call_with_pvm_code_per_byte` for this.
636	#[benchmark(pov_mode = Measured)]
637	fn call() -> Result<(), BenchmarkError> {
638		let pallet_account = whitelisted_pallet_account::<T>();
639		let data = vec![42u8; 1024];
640		let instance =
641			Contract::<T>::with_caller(whitelisted_caller(), VmBinaryModule::dummy(), vec![])?;
642		let value = Pallet::<T>::min_balance();
643		let origin = RawOrigin::Signed(instance.caller.clone());
644		let before = T::Currency::balance(&instance.account_id);
645		let storage_deposit = default_deposit_limit::<T>();
646		#[extrinsic_call]
647		_(origin, instance.address, value, Weight::MAX, storage_deposit, data);
648		let deposit = T::Currency::balance_on_hold(
649			&HoldReason::StorageDepositReserve.into(),
650			&instance.account_id,
651		);
652		let code_deposit = T::Currency::balance_on_hold(
653			&HoldReason::CodeUploadDepositReserve.into(),
654			&pallet_account,
655		);
656		let mapping_deposit =
657			T::Currency::balance_on_hold(&HoldReason::AddressMapping.into(), &instance.caller);
658		// value and value transferred via call should be removed from the caller
659		assert_eq!(
660			T::Currency::balance(&instance.caller),
661			caller_funding::<T>() - value - deposit - code_deposit - mapping_deposit,
662		);
663		// contract should have received the value
664		assert_eq!(T::Currency::balance(&instance.account_id), before + value);
665		// contract should still exist
666		instance.info()?;
667
668		Ok(())
669	}
670
671	// `d`: with or without dust value to transfer
672	#[benchmark(pov_mode = Measured)]
673	fn eth_call(d: Linear<0, 1>) -> Result<(), BenchmarkError> {
674		let data = vec![42u8; 1024];
675		let instance =
676			Contract::<T>::with_caller(whitelisted_caller(), VmBinaryModule::dummy(), vec![])?;
677
678		// Use an `effective_gas_price` that is not a multiple of `T::NativeToEthRatio`
679		// to hit the code that charge the rounding error so that tx_cost == effective_gas_price *
680		// gas_used
681		let effective_gas_price = Pallet::<T>::evm_base_fee() + 1;
682		let value = Pallet::<T>::min_balance();
683		let dust = 42u32 * d;
684		let evm_value =
685			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(value, dust));
686
687		// need to pass the overdraw check
688		<T as Config>::FeeInfo::deposit_txfee(
689			<T as Config>::Currency::issue(caller_funding::<T>()),
690		);
691
692		let origin = Origin::EthTransaction(instance.caller.clone());
693		let before = Pallet::<T>::evm_balance(&instance.address);
694
695		#[extrinsic_call]
696		_(
697			origin,
698			instance.address,
699			evm_value,
700			Weight::MAX,
701			U256::MAX,
702			data,
703			TransactionSigned::default().signed_payload(),
704			effective_gas_price,
705			0,
706			vec![],
707		);
708
709		// contract should have received the value
710		assert_eq!(Pallet::<T>::evm_balance(&instance.address), before + evm_value);
711		// contract should still exist
712		instance.info()?;
713
714		Ok(())
715	}
716
717	// `c`: Size of the RLP encoded Ethereum transaction in bytes.
718	#[benchmark(pov_mode = Measured)]
719	fn eth_substrate_call(c: Linear<0, { 100 * 1024 }>) -> Result<(), BenchmarkError> {
720		let caller = whitelisted_caller();
721		T::Currency::set_balance(&caller, caller_funding::<T>());
722		let origin = Origin::EthTransaction(caller);
723		let dispatchable = frame_system::Call::remark { remark: vec![] }.into();
724		#[extrinsic_call]
725		_(origin, Box::new(dispatchable), vec![42u8; c as usize]);
726		Ok(())
727	}
728
729	// This constructs a contract that is maximal expensive to instrument.
730	// It creates a maximum number of metering blocks per byte.
731	// `c`: Size of the code in bytes.
732	#[benchmark(pov_mode = Measured)]
733	fn upload_code(c: Linear<0, { 100 * 1024 }>) {
734		let caller = whitelisted_caller();
735		let pallet_account = whitelisted_pallet_account::<T>();
736		T::Currency::set_balance(&caller, caller_funding::<T>());
737		let VmBinaryModule { code, hash, .. } = VmBinaryModule::sized(c);
738		let origin = RawOrigin::Signed(caller.clone());
739		let storage_deposit = default_deposit_limit::<T>();
740		#[extrinsic_call]
741		_(origin, code, storage_deposit);
742		// uploading the code reserves some balance in the pallet's account
743		assert!(T::Currency::total_balance_on_hold(&pallet_account) > 0u32.into());
744		assert!(<Contract<T>>::code_exists(&hash));
745	}
746
747	// Removing code does not depend on the size of the contract because all the information
748	// needed to verify the removal claim (refcount, owner) is stored in a separate storage
749	// item (`CodeInfoOf`).
750	#[benchmark(pov_mode = Measured)]
751	fn remove_code() -> Result<(), BenchmarkError> {
752		let caller = whitelisted_caller();
753		let pallet_account = whitelisted_pallet_account::<T>();
754		T::Currency::set_balance(&caller, caller_funding::<T>());
755		let VmBinaryModule { code, hash, .. } = VmBinaryModule::dummy();
756		let origin = RawOrigin::Signed(caller.clone());
757		let storage_deposit = default_deposit_limit::<T>();
758		let uploaded =
759			<Contracts<T>>::bare_upload_code(origin.clone().into(), code, storage_deposit)?;
760		assert_eq!(uploaded.code_hash, hash);
761		assert_eq!(uploaded.deposit, T::Currency::total_balance_on_hold(&pallet_account));
762		assert!(<Contract<T>>::code_exists(&hash));
763		#[extrinsic_call]
764		_(origin, hash);
765		// removing the code should have unreserved the deposit
766		assert_eq!(T::Currency::total_balance_on_hold(&pallet_account), 0u32.into());
767		assert!(<Contract<T>>::code_removed(&hash));
768		Ok(())
769	}
770
771	#[benchmark(pov_mode = Measured)]
772	fn set_code() -> Result<(), BenchmarkError> {
773		let instance =
774			<Contract<T>>::with_caller(whitelisted_caller(), VmBinaryModule::dummy(), vec![])?;
775		// we just add some bytes so that the code hash is different
776		let VmBinaryModule { code, .. } = VmBinaryModule::dummy_unique(128);
777		let origin = RawOrigin::Signed(instance.caller.clone());
778		let storage_deposit = default_deposit_limit::<T>();
779		let hash =
780			<Contracts<T>>::bare_upload_code(origin.into(), code, storage_deposit)?.code_hash;
781		assert_ne!(instance.info()?.code_hash, hash);
782		#[extrinsic_call]
783		_(RawOrigin::Root, instance.address, hash);
784		assert_eq!(instance.info()?.code_hash, hash);
785		Ok(())
786	}
787
788	#[benchmark(pov_mode = Measured)]
789	fn map_account() {
790		let caller = whitelisted_caller();
791		T::Currency::set_balance(&caller, caller_funding::<T>());
792		let origin = RawOrigin::Signed(caller.clone());
793		if T::AddressMapper::is_mapped(&caller) {
794			T::AddressMapper::unmap(&caller).unwrap();
795		}
796		assert!(!T::AddressMapper::is_mapped(&caller));
797		#[extrinsic_call]
798		_(origin);
799		assert!(T::AddressMapper::is_mapped(&caller));
800	}
801
802	#[benchmark(pov_mode = Measured)]
803	fn unmap_account() {
804		let caller = whitelisted_caller();
805		T::Currency::set_balance(&caller, caller_funding::<T>());
806		let origin = RawOrigin::Signed(caller.clone());
807		if !T::AddressMapper::is_mapped(&caller) {
808			T::AddressMapper::map(&caller).unwrap();
809		}
810		assert!(T::AddressMapper::is_mapped(&caller));
811		#[extrinsic_call]
812		_(origin);
813		assert!(!T::AddressMapper::is_mapped(&caller));
814	}
815
816	/// Worst case: every input account is not eth-derived, not yet mapped, and
817	/// already carries an [`HoldReason::AddressMapping`] hold. The per-account
818	/// loop body in `batch_map_accounts` then both inserts the [`OriginalAccount`]
819	/// entry via `map_no_deposit_unchecked` *and* releases the existing hold.
820	#[benchmark(pov_mode = Measured)]
821	fn batch_map_accounts(a: Linear<0, 1024>) -> Result<(), BenchmarkError> {
822		use frame_benchmarking::v2::account;
823
824		let caller: T::AccountId = whitelisted_caller();
825		T::Currency::set_balance(&caller, caller_funding::<T>());
826
827		// Matches the deposit that `AccountId32Mapper::map` would normally take.
828		let deposit = T::DepositPerByte::get()
829			.saturating_mul(52u32.into())
830			.saturating_add(T::DepositPerItem::get());
831
832		let mut accounts = Vec::with_capacity(a as usize);
833		for i in 0..a {
834			let account_id: T::AccountId = account("to_map", i, 0);
835			T::Currency::set_balance(&account_id, caller_funding::<T>());
836			T::Currency::hold(&HoldReason::AddressMapping.into(), &account_id, deposit)?;
837			accounts.push(account_id);
838		}
839
840		#[extrinsic_call]
841		_(RawOrigin::Signed(caller), accounts.clone());
842
843		for account_id in &accounts {
844			assert!(T::AddressMapper::is_mapped(account_id));
845			assert_eq!(
846				T::Currency::balance_on_hold(&HoldReason::AddressMapping.into(), account_id),
847				0u32.into(),
848			);
849		}
850
851		Ok(())
852	}
853
854	#[benchmark(pov_mode = Measured)]
855	fn dispatch_as_fallback_account() {
856		let caller = whitelisted_caller();
857		T::Currency::set_balance(&caller, caller_funding::<T>());
858		let origin = RawOrigin::Signed(caller.clone());
859		let dispatchable = frame_system::Call::remark { remark: vec![] }.into();
860		#[extrinsic_call]
861		_(origin, Box::new(dispatchable));
862	}
863
864	#[benchmark(pov_mode = Measured)]
865	fn noop_host_fn(r: Linear<0, API_BENCHMARK_RUNS>) {
866		let mut setup = CallSetup::<T>::new(VmBinaryModule::noop());
867		let (mut ext, module) = setup.ext();
868		let prepared = CallSetup::<T>::prepare_call(&mut ext, module, r.encode(), 0);
869		#[block]
870		{
871			prepared.call().unwrap();
872		}
873	}
874
875	#[benchmark(pov_mode = Measured)]
876	fn seal_caller() {
877		let len = H160::len_bytes();
878		build_runtime!(runtime, memory: [vec![0u8; len as _], ]);
879
880		let result;
881		#[block]
882		{
883			result = runtime.bench_caller(memory.as_mut_slice(), 0);
884		}
885
886		assert_ok!(result);
887		assert_eq!(
888			<H160 as Decode>::decode(&mut &memory[..]).unwrap(),
889			T::AddressMapper::to_address(&runtime.ext().caller().account_id().unwrap())
890		);
891	}
892
893	#[benchmark(pov_mode = Measured)]
894	fn seal_origin() {
895		let len = H160::len_bytes();
896		build_runtime!(runtime, memory: [vec![0u8; len as _], ]);
897
898		let result;
899		#[block]
900		{
901			result = runtime.bench_origin(memory.as_mut_slice(), 0);
902		}
903
904		assert_ok!(result);
905		assert_eq!(
906			<H160 as Decode>::decode(&mut &memory[..]).unwrap(),
907			T::AddressMapper::to_address(&runtime.ext().origin().account_id().unwrap())
908		);
909	}
910
911	#[benchmark(pov_mode = Measured)]
912	fn to_account_id() {
913		// use a mapped address for the benchmark, to ensure that we bench the worst
914		// case (and not the fallback case).
915		let account_id = account("precompile_to_account_id", 0, 0);
916		let address = {
917			T::Currency::set_balance(&account_id, caller_funding::<T>());
918			if !T::AddressMapper::is_mapped(&account_id) {
919				T::AddressMapper::map(&account_id).unwrap();
920			}
921			T::AddressMapper::to_address(&account_id)
922		};
923
924		let input_bytes = ISystem::ISystemCalls::toAccountId(ISystem::toAccountIdCall {
925			input: address.0.into(),
926		})
927		.abi_encode();
928
929		let mut call_setup = CallSetup::<T>::default();
930		let (mut ext, _) = call_setup.ext();
931
932		let result;
933		#[block]
934		{
935			result = run_builtin_precompile(
936				&mut ext,
937				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
938				input_bytes,
939			);
940		}
941		let raw_data = result.unwrap().data;
942		let data = Bytes::abi_decode(&raw_data).expect("decoding failed");
943		assert_ne!(
944			data.0.as_ref()[20..32],
945			[0xEE; 12],
946			"fallback suffix found where none should be"
947		);
948		assert_eq!(T::AccountId::decode(&mut data.as_ref()), Ok(account_id),);
949	}
950
951	#[benchmark(pov_mode = Measured)]
952	fn seal_code_hash() {
953		let contract = Contract::<T>::with_index(1, VmBinaryModule::dummy(), vec![]).unwrap();
954		let len = <sp_core::H256 as MaxEncodedLen>::max_encoded_len() as u32;
955		build_runtime!(runtime, memory: [vec![0u8; len as _], contract.account_id.encode(), ]);
956
957		let result;
958		#[block]
959		{
960			result = runtime.bench_code_hash(memory.as_mut_slice(), len, 0);
961		}
962
963		assert_ok!(result);
964		assert_eq!(
965			<sp_core::H256 as Decode>::decode(&mut &memory[..]).unwrap(),
966			contract.info().unwrap().code_hash
967		);
968	}
969
970	#[benchmark(pov_mode = Measured)]
971	fn own_code_hash() {
972		let input_bytes =
973			ISystem::ISystemCalls::ownCodeHash(ISystem::ownCodeHashCall {}).abi_encode();
974		let mut call_setup = CallSetup::<T>::default();
975		let contract_acc = call_setup.contract().account_id.clone();
976		let caller = call_setup.contract().address;
977		call_setup.set_origin(ExecOrigin::from_account_id(contract_acc));
978		let (mut ext, _) = call_setup.ext();
979
980		let result;
981		#[block]
982		{
983			result = run_builtin_precompile(
984				&mut ext,
985				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
986				input_bytes,
987			);
988		}
989		assert!(result.is_ok());
990		let caller_code_hash = ext.code_hash(&caller);
991		assert_eq!(caller_code_hash.0.to_vec(), result.unwrap().data);
992	}
993
994	#[benchmark(pov_mode = Measured)]
995	fn seal_code_size() {
996		let contract = Contract::<T>::with_index(1, VmBinaryModule::dummy(), vec![]).unwrap();
997		build_runtime!(runtime, memory: [contract.address.encode(),]);
998
999		let result;
1000		#[block]
1001		{
1002			result = runtime.bench_code_size(memory.as_mut_slice(), 0);
1003		}
1004
1005		assert_eq!(result.unwrap(), VmBinaryModule::dummy().code.len() as u64);
1006	}
1007
1008	#[benchmark(pov_mode = Measured)]
1009	fn caller_is_origin() {
1010		let input_bytes =
1011			ISystem::ISystemCalls::callerIsOrigin(ISystem::callerIsOriginCall {}).abi_encode();
1012
1013		let mut call_setup = CallSetup::<T>::default();
1014		let (mut ext, _) = call_setup.ext();
1015
1016		let result;
1017		#[block]
1018		{
1019			result = run_builtin_precompile(
1020				&mut ext,
1021				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
1022				input_bytes,
1023			);
1024		}
1025		let raw_data = result.unwrap().data;
1026		let is_origin = Bool::abi_decode(&raw_data[..]).expect("decoding failed");
1027		assert!(is_origin);
1028	}
1029
1030	#[benchmark(pov_mode = Measured)]
1031	fn caller_is_root() {
1032		let input_bytes =
1033			ISystem::ISystemCalls::callerIsRoot(ISystem::callerIsRootCall {}).abi_encode();
1034
1035		let mut setup = CallSetup::<T>::default();
1036		setup.set_origin(ExecOrigin::Root);
1037		let (mut ext, _) = setup.ext();
1038
1039		let result;
1040		#[block]
1041		{
1042			result = run_builtin_precompile(
1043				&mut ext,
1044				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
1045				input_bytes,
1046			);
1047		}
1048		let raw_data = result.unwrap().data;
1049		let is_root = Bool::abi_decode(&raw_data).expect("decoding failed");
1050		assert!(is_root);
1051	}
1052
1053	#[benchmark(pov_mode = Measured)]
1054	fn origin_is_root() {
1055		let input_bytes =
1056			ISystem::ISystemCalls::originIsRoot(ISystem::originIsRootCall {}).abi_encode();
1057
1058		let mut setup = CallSetup::<T>::default();
1059		setup.set_origin(ExecOrigin::Root);
1060		let (mut ext, _) = setup.ext();
1061
1062		let result;
1063		#[block]
1064		{
1065			result = run_builtin_precompile(
1066				&mut ext,
1067				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
1068				input_bytes,
1069			);
1070		}
1071		let raw_data = result.unwrap().data;
1072		let is_root = Bool::abi_decode(&raw_data).expect("decoding failed");
1073		assert!(is_root);
1074	}
1075
1076	#[benchmark(pov_mode = Measured)]
1077	fn seal_address() {
1078		let len = H160::len_bytes();
1079		build_runtime!(runtime, memory: [vec![0u8; len as _], ]);
1080
1081		let result;
1082		#[block]
1083		{
1084			result = runtime.bench_address(memory.as_mut_slice(), 0);
1085		}
1086		assert_ok!(result);
1087		assert_eq!(<H160 as Decode>::decode(&mut &memory[..]).unwrap(), runtime.ext().address());
1088	}
1089
1090	#[benchmark(pov_mode = Measured)]
1091	fn weight_left() {
1092		let input_bytes =
1093			ISystem::ISystemCalls::weightLeft(ISystem::weightLeftCall {}).abi_encode();
1094
1095		let mut call_setup = CallSetup::<T>::default();
1096		let (mut ext, _) = call_setup.ext();
1097
1098		let weight_left_before = ext.frame_meter().weight_left().unwrap();
1099		let result;
1100		#[block]
1101		{
1102			result = run_builtin_precompile(
1103				&mut ext,
1104				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
1105				input_bytes,
1106			);
1107		}
1108		let weight_left_after = ext.frame_meter().weight_left().unwrap();
1109		assert_ne!(weight_left_after.ref_time(), 0);
1110		assert!(weight_left_before.ref_time() > weight_left_after.ref_time());
1111
1112		let raw_data = result.unwrap().data;
1113		type MyTy = (Uint<64>, Uint<64>);
1114		let foo = MyTy::abi_decode(&raw_data[..]).unwrap();
1115		assert_eq!(weight_left_after.ref_time(), foo.0);
1116	}
1117
1118	#[benchmark(pov_mode = Measured)]
1119	fn seal_ref_time_left() {
1120		build_runtime!(runtime, memory: [vec![], ]);
1121
1122		let result;
1123		#[block]
1124		{
1125			result = runtime.bench_ref_time_left(memory.as_mut_slice());
1126		}
1127		assert_eq!(result.unwrap(), runtime.ext().gas_left());
1128	}
1129
1130	#[benchmark(pov_mode = Measured)]
1131	fn seal_balance() {
1132		build_runtime!(runtime, contract, memory: [[0u8;32], ]);
1133		contract.set_balance(BalanceWithDust::new_unchecked::<T>(
1134			Pallet::<T>::min_balance() * 2u32.into(),
1135			42u32,
1136		));
1137
1138		let result;
1139		#[block]
1140		{
1141			result = runtime.bench_balance(memory.as_mut_slice(), 0);
1142		}
1143		assert_ok!(result);
1144		assert_eq!(
1145			U256::from_little_endian(&memory[..]),
1146			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(
1147				Pallet::<T>::min_balance(),
1148				42
1149			))
1150		);
1151	}
1152
1153	#[benchmark(pov_mode = Measured)]
1154	fn seal_balance_of() {
1155		let len = <sp_core::U256 as MaxEncodedLen>::max_encoded_len();
1156		let account = account::<T::AccountId>("target", 0, 0);
1157		<T as Config>::AddressMapper::map_no_deposit_unchecked(&account).unwrap();
1158
1159		let address = T::AddressMapper::to_address(&account);
1160		let balance = Pallet::<T>::min_balance() * 2u32.into();
1161		T::Currency::set_balance(&account, balance);
1162		AccountInfoOf::<T>::insert(&address, AccountInfo { dust: 42, ..Default::default() });
1163
1164		build_runtime!(runtime, memory: [vec![0u8; len], address.0, ]);
1165
1166		let result;
1167		#[block]
1168		{
1169			result = runtime.bench_balance_of(memory.as_mut_slice(), len as u32, 0);
1170		}
1171
1172		assert_ok!(result);
1173		assert_eq!(
1174			U256::from_little_endian(&memory[..len]),
1175			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(
1176				Pallet::<T>::min_balance(),
1177				42
1178			))
1179		);
1180	}
1181
1182	#[benchmark(pov_mode = Measured)]
1183	fn seal_get_immutable_data(n: Linear<1, { limits::IMMUTABLE_BYTES }>) {
1184		let len = n as usize;
1185		let immutable_data = vec![1u8; len];
1186
1187		build_runtime!(runtime, contract, memory: [(len as u32).encode(), vec![0u8; len],]);
1188
1189		<ImmutableDataOf<T>>::insert::<_, BoundedVec<_, _>>(
1190			contract.address,
1191			immutable_data.clone().try_into().unwrap(),
1192		);
1193
1194		let result;
1195		#[block]
1196		{
1197			result = runtime.bench_get_immutable_data(memory.as_mut_slice(), 4, 0 as u32);
1198		}
1199
1200		assert_ok!(result);
1201		assert_eq!(&memory[0..4], (len as u32).encode());
1202		assert_eq!(&memory[4..len + 4], &immutable_data);
1203	}
1204
1205	#[benchmark(pov_mode = Measured)]
1206	fn seal_set_immutable_data(n: Linear<1, { limits::IMMUTABLE_BYTES }>) {
1207		let len = n as usize;
1208		let mut memory = vec![1u8; len];
1209		let mut setup = CallSetup::<T>::default();
1210		let input = setup.data();
1211		let (mut ext, _) = setup.ext();
1212		ext.override_export(crate::exec::ExportedFunction::Constructor);
1213
1214		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, input);
1215
1216		let result;
1217		#[block]
1218		{
1219			result = runtime.bench_set_immutable_data(memory.as_mut_slice(), 0, n);
1220		}
1221
1222		assert_ok!(result);
1223		assert_eq!(&memory[..], &<ImmutableDataOf<T>>::get(setup.contract().address).unwrap()[..]);
1224	}
1225
1226	#[benchmark(pov_mode = Measured)]
1227	fn seal_value_transferred() {
1228		build_runtime!(runtime, memory: [[0u8;32], ]);
1229		let result;
1230		#[block]
1231		{
1232			result = runtime.bench_value_transferred(memory.as_mut_slice(), 0);
1233		}
1234		assert_ok!(result);
1235		assert_eq!(U256::from_little_endian(&memory[..]), runtime.ext().value_transferred());
1236	}
1237
1238	#[benchmark(pov_mode = Measured)]
1239	fn minimum_balance() {
1240		let input_bytes =
1241			ISystem::ISystemCalls::minimumBalance(ISystem::minimumBalanceCall {}).abi_encode();
1242
1243		let mut call_setup = CallSetup::<T>::default();
1244		let (mut ext, _) = call_setup.ext();
1245
1246		let result;
1247		#[block]
1248		{
1249			result = run_builtin_precompile(
1250				&mut ext,
1251				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
1252				input_bytes,
1253			);
1254		}
1255		let min: U256 = crate::Pallet::<T>::convert_native_to_evm(T::Currency::minimum_balance());
1256		let min =
1257			crate::precompiles::alloy::primitives::aliases::U256::abi_decode(&min.to_big_endian())
1258				.unwrap();
1259
1260		let raw_data = result.unwrap().data;
1261		let returned_min =
1262			crate::precompiles::alloy::primitives::aliases::U256::abi_decode(&raw_data)
1263				.expect("decoding failed");
1264		assert_eq!(returned_min, min);
1265	}
1266
1267	#[benchmark(pov_mode = Measured)]
1268	fn seal_return_data_size() {
1269		let mut setup = CallSetup::<T>::default();
1270		let (mut ext, _) = setup.ext();
1271		let mut runtime = pvm::Runtime::new(&mut ext, vec![]);
1272		let mut memory = memory!(vec![],);
1273		*runtime.ext().last_frame_output_mut() =
1274			ExecReturnValue { data: vec![42; 256], ..Default::default() };
1275		let result;
1276		#[block]
1277		{
1278			result = runtime.bench_return_data_size(memory.as_mut_slice());
1279		}
1280		assert_eq!(result.unwrap(), 256);
1281	}
1282
1283	#[benchmark(pov_mode = Measured)]
1284	fn seal_call_data_size() {
1285		let mut setup = CallSetup::<T>::default();
1286		let (mut ext, _) = setup.ext();
1287		let mut runtime = pvm::Runtime::new(&mut ext, vec![42u8; 128 as usize]);
1288		let mut memory = memory!(vec![0u8; 4],);
1289		let result;
1290		#[block]
1291		{
1292			result = runtime.bench_call_data_size(memory.as_mut_slice());
1293		}
1294		assert_eq!(result.unwrap(), 128);
1295	}
1296
1297	#[benchmark(pov_mode = Measured)]
1298	fn seal_gas_limit() {
1299		build_runtime!(runtime, memory: []);
1300		let result;
1301		#[block]
1302		{
1303			result = runtime.bench_gas_limit(&mut memory);
1304		}
1305		assert_eq!(U256::from(result.unwrap()), <Pallet<T>>::evm_block_gas_limit());
1306	}
1307
1308	#[benchmark(pov_mode = Measured)]
1309	fn seal_gas_price() {
1310		build_runtime!(runtime, memory: []);
1311		let result;
1312		#[block]
1313		{
1314			result = runtime.bench_gas_price(memory.as_mut_slice());
1315		}
1316		assert_eq!(U256::from(result.unwrap()), <Pallet<T>>::evm_base_fee());
1317	}
1318
1319	#[benchmark(pov_mode = Measured)]
1320	fn seal_base_fee() {
1321		build_runtime!(runtime, memory: [[1u8;32], ]);
1322		let result;
1323		#[block]
1324		{
1325			result = runtime.bench_base_fee(memory.as_mut_slice(), 0);
1326		}
1327		assert_ok!(result);
1328		assert_eq!(U256::from_little_endian(&memory[..]), <crate::Pallet<T>>::evm_base_fee());
1329	}
1330
1331	#[benchmark(pov_mode = Measured)]
1332	fn seal_block_number() {
1333		build_runtime!(runtime, memory: [[0u8;32], ]);
1334		let result;
1335		#[block]
1336		{
1337			result = runtime.bench_block_number(memory.as_mut_slice(), 0);
1338		}
1339		assert_ok!(result);
1340		assert_eq!(U256::from_little_endian(&memory[..]), runtime.ext().block_number());
1341	}
1342
1343	#[benchmark(pov_mode = Measured)]
1344	fn seal_block_author() {
1345		build_runtime!(runtime, memory: [[123u8; 20], ]);
1346
1347		// The pre-runtime digest log is unbounded; usually around 3 items but it can vary.
1348		// To get safe benchmark results despite that, populate it with a bunch of random logs to
1349		// ensure iteration over many items (we just overestimate the cost of the API).
1350		for i in 0..16 {
1351			frame_system::Pallet::<T>::deposit_log(DigestItem::PreRuntime(
1352				[i, i, i, i],
1353				vec![i; 128],
1354			));
1355			frame_system::Pallet::<T>::deposit_log(DigestItem::Consensus(
1356				[i, i, i, i],
1357				vec![i; 128],
1358			));
1359			frame_system::Pallet::<T>::deposit_log(DigestItem::Seal([i, i, i, i], vec![i; 128]));
1360			frame_system::Pallet::<T>::deposit_log(DigestItem::Other(vec![i; 128]));
1361		}
1362
1363		// The content of the pre-runtime digest log depends on the configured consensus.
1364		// However, mismatching logs are simply ignored. Thus we construct fixtures which will
1365		// let the API to return a value in both BABE and AURA consensus.
1366
1367		// Construct a `Digest` log fixture returning some value in BABE
1368		let primary_pre_digest = vec![0; <PrimaryPreDigest as MaxEncodedLen>::max_encoded_len()];
1369		let pre_digest =
1370			PreDigest::Primary(PrimaryPreDigest::decode(&mut &primary_pre_digest[..]).unwrap());
1371		frame_system::Pallet::<T>::deposit_log(DigestItem::PreRuntime(
1372			BABE_ENGINE_ID,
1373			pre_digest.encode(),
1374		));
1375		frame_system::Pallet::<T>::deposit_log(DigestItem::Seal(
1376			BABE_ENGINE_ID,
1377			pre_digest.encode(),
1378		));
1379
1380		// Construct a `Digest` log fixture returning some value in AURA
1381		let slot = Slot::default();
1382		frame_system::Pallet::<T>::deposit_log(DigestItem::PreRuntime(
1383			AURA_ENGINE_ID,
1384			slot.encode(),
1385		));
1386		frame_system::Pallet::<T>::deposit_log(DigestItem::Seal(AURA_ENGINE_ID, slot.encode()));
1387
1388		let result;
1389		#[block]
1390		{
1391			result = runtime.bench_block_author(memory.as_mut_slice(), 0);
1392		}
1393		assert_ok!(result);
1394
1395		let block_author = runtime.ext().block_author();
1396		assert_eq!(&memory[..], block_author.as_bytes());
1397	}
1398
1399	#[benchmark(pov_mode = Measured)]
1400	fn seal_block_hash() {
1401		let mut memory = vec![0u8; 64];
1402		let mut setup = CallSetup::<T>::default();
1403		let input = setup.data();
1404		let (mut ext, _) = setup.ext();
1405		ext.set_block_number(BlockNumberFor::<T>::from(1u32));
1406
1407		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, input);
1408
1409		let block_hash = H256::from([1; 32]);
1410
1411		// Store block hash in pallet-revive BlockHash mapping
1412		crate::BlockHash::<T>::insert(crate::BlockNumberFor::<T>::from(0u32), block_hash);
1413
1414		let result;
1415		#[block]
1416		{
1417			result = runtime.bench_block_hash(memory.as_mut_slice(), 32, 0);
1418		}
1419		assert_ok!(result);
1420		assert_eq!(&memory[..32], &block_hash.0);
1421	}
1422
1423	#[benchmark(pov_mode = Measured)]
1424	fn seal_now() {
1425		build_runtime!(runtime, memory: [[0u8;32], ]);
1426		let result;
1427		#[block]
1428		{
1429			result = runtime.bench_now(memory.as_mut_slice(), 0);
1430		}
1431		assert_ok!(result);
1432		assert_eq!(U256::from_little_endian(&memory[..]), runtime.ext().now());
1433	}
1434
1435	#[benchmark(pov_mode = Measured)]
1436	fn seal_copy_to_contract(n: Linear<0, { limits::code::BLOB_BYTES - 4 }>) {
1437		let mut setup = CallSetup::<T>::default();
1438		let (mut ext, _) = setup.ext();
1439		let mut runtime = pvm::Runtime::new(&mut ext, vec![]);
1440		let mut memory = memory!(n.encode(), vec![0u8; n as usize],);
1441		let result;
1442		#[block]
1443		{
1444			result = runtime.write_sandbox_output(
1445				memory.as_mut_slice(),
1446				4,
1447				0,
1448				&vec![42u8; n as usize],
1449				false,
1450				|_| None,
1451			);
1452		}
1453		assert_ok!(result);
1454		assert_eq!(&memory[..4], &n.encode());
1455		assert_eq!(&memory[4..], &vec![42u8; n as usize]);
1456	}
1457
1458	#[benchmark(pov_mode = Measured)]
1459	fn seal_call_data_load() {
1460		let mut setup = CallSetup::<T>::default();
1461		let (mut ext, _) = setup.ext();
1462		let mut runtime = pvm::Runtime::new(&mut ext, vec![42u8; 32]);
1463		let mut memory = memory!(vec![0u8; 32],);
1464		let result;
1465		#[block]
1466		{
1467			result = runtime.bench_call_data_load(memory.as_mut_slice(), 0, 0);
1468		}
1469		assert_ok!(result);
1470		assert_eq!(&memory[..], &vec![42u8; 32]);
1471	}
1472
1473	#[benchmark(pov_mode = Measured)]
1474	fn seal_call_data_copy(n: Linear<0, { limits::code::BLOB_BYTES }>) {
1475		let mut setup = CallSetup::<T>::default();
1476		let (mut ext, _) = setup.ext();
1477		let mut runtime = pvm::Runtime::new(&mut ext, vec![42u8; n as usize]);
1478		let mut memory = memory!(vec![0u8; n as usize],);
1479		let result;
1480		#[block]
1481		{
1482			result = runtime.bench_call_data_copy(memory.as_mut_slice(), 0, n, 0);
1483		}
1484		assert_ok!(result);
1485		assert_eq!(&memory[..], &vec![42u8; n as usize]);
1486	}
1487
1488	#[benchmark(pov_mode = Measured)]
1489	fn seal_return(n: Linear<0, { limits::CALLDATA_BYTES }>) {
1490		build_runtime!(runtime, memory: [n.to_le_bytes(), vec![42u8; n as usize], ]);
1491
1492		let result;
1493		#[block]
1494		{
1495			result = runtime.bench_seal_return(memory.as_mut_slice(), 0, 0, n);
1496		}
1497
1498		assert!(matches!(
1499			result,
1500			Err(crate::vm::pvm::TrapReason::Return(crate::vm::pvm::ReturnData { .. }))
1501		));
1502	}
1503
1504	/// Benchmark the ocst of terminating a contract.
1505	///
1506	/// `r`: whether the old code will be removed as a result of this operation. (1: yes, 0: no)
1507	#[benchmark(pov_mode = Measured)]
1508	fn seal_terminate(r: Linear<0, 1>) -> Result<(), BenchmarkError> {
1509		let delete_code = r == 1;
1510		let beneficiary = account::<T::AccountId>("beneficiary", 0, 0);
1511
1512		build_runtime!(runtime, instance, memory: [beneficiary.encode(),]);
1513		let code_hash = instance.info()?.code_hash;
1514
1515		// Increment the refcount of the code hash so that it does not get deleted
1516		if !delete_code {
1517			<CodeInfo<T>>::increment_refcount(code_hash).unwrap();
1518		}
1519
1520		let result;
1521		#[block]
1522		{
1523			result = runtime.bench_terminate(memory.as_mut_slice(), 0);
1524		}
1525
1526		assert!(matches!(result, Err(crate::vm::pvm::TrapReason::Termination)));
1527
1528		Ok(())
1529	}
1530
1531	#[benchmark(pov_mode = Measured)]
1532	fn seal_terminate_logic() -> Result<(), BenchmarkError> {
1533		let caller = whitelisted_caller();
1534		let beneficiary = account::<T::AccountId>("beneficiary", 0, 0);
1535		T::AddressMapper::map_no_deposit_unchecked(&beneficiary)?;
1536
1537		build_runtime!(_runtime, instance, _memory: [vec![0u8; 0], ]);
1538		let code_hash = instance.info()?.code_hash;
1539
1540		assert!(PristineCode::<T>::get(code_hash).is_some());
1541
1542		T::Currency::set_balance(&instance.account_id, Pallet::<T>::min_balance() * 10u32.into());
1543
1544		let storage_deposit = T::Currency::balance_on_hold(
1545			&HoldReason::StorageDepositReserve.into(),
1546			&instance.account_id,
1547		);
1548		NativeDepositOf::<T>::insert(&instance.account_id, &caller, storage_deposit);
1549
1550		let mut transaction_meter = TransactionMeter::new(TransactionLimits::WeightAndDeposit {
1551			weight_limit: Default::default(),
1552			deposit_limit: BalanceOf::<T>::max_value(),
1553		})
1554		.unwrap();
1555		let exec_config = ExecConfig::new_substrate_tx();
1556		let contract_account = &instance.account_id;
1557		let origin = &ExecOrigin::from_account_id(caller);
1558		let beneficiary_clone = beneficiary.clone();
1559		let trie_id = instance.info()?.trie_id.clone();
1560		let code_hash = instance.info()?.code_hash;
1561		let only_if_same_tx = false;
1562
1563		let result;
1564		#[block]
1565		{
1566			result = crate::exec::bench_do_terminate::<T>(
1567				&mut transaction_meter,
1568				&exec_config,
1569				contract_account,
1570				&origin,
1571				beneficiary_clone,
1572				trie_id,
1573				code_hash,
1574				only_if_same_tx,
1575			);
1576		}
1577		result.unwrap();
1578
1579		// Check that the contract is removed
1580		assert!(PristineCode::<T>::get(code_hash).is_none());
1581
1582		// Check that the balance has been transferred away
1583		let balance = <T as Config>::Currency::total_balance(&instance.account_id);
1584		assert_eq!(balance, 0u32.into());
1585
1586		// Check that the beneficiary received the balance
1587		let balance = <T as Config>::Currency::balance(&beneficiary);
1588		assert_eq!(balance, Pallet::<T>::min_balance() + Pallet::<T>::min_balance() * 9u32.into());
1589
1590		Ok(())
1591	}
1592
1593	// Benchmark the overhead that topics generate.
1594	// `t`: Number of topics
1595	// `n`: Size of event payload in bytes
1596	#[benchmark(pov_mode = Measured)]
1597	fn seal_deposit_event(
1598		t: Linear<0, { limits::NUM_EVENT_TOPICS as u32 }>,
1599		n: Linear<0, { limits::EVENT_BYTES }>,
1600	) {
1601		let num_topic = t as u32;
1602		let topics = (0..t).map(|i| H256::repeat_byte(i as u8)).collect::<Vec<_>>();
1603		let topics_data =
1604			topics.iter().flat_map(|hash| hash.as_bytes().to_vec()).collect::<Vec<u8>>();
1605		let data = vec![42u8; n as _];
1606		build_runtime!(runtime, instance, memory: [ topics_data, data, ]);
1607
1608		let result;
1609		#[block]
1610		{
1611			result = runtime.bench_deposit_event(
1612				memory.as_mut_slice(),
1613				0, // topics_ptr
1614				num_topic,
1615				topics_data.len() as u32, // data_ptr
1616				n,                        // data_len
1617			);
1618		}
1619		assert_ok!(result);
1620
1621		let events = System::<T>::events();
1622		let record = &events[events.len() - 1];
1623
1624		assert_eq!(
1625			record.event,
1626			crate::Event::ContractEmitted { contract: instance.address, data, topics }.into(),
1627		);
1628	}
1629
1630	enum TrieFill {
1631		Empty,
1632		Full,
1633	}
1634
1635	enum SlotAccess {
1636		Cold,
1637		Hot,
1638	}
1639
1640	fn build_storage_contract<T: Config>(
1641		op: StorageOp,
1642		fill: TrieFill,
1643	) -> Result<(ContractInfo<T>, Vec<u8>, Vec<u8>), BenchmarkError> {
1644		let key = vec![0u8; limits::STORAGE_KEY_BYTES as usize];
1645		let value = vec![1u8; limits::STORAGE_BYTES as usize];
1646		let initial_value = match op {
1647			StorageOp::Read => value.clone(),
1648			StorageOp::Write => vec![42u8; limits::STORAGE_BYTES as usize],
1649		};
1650
1651		let instance = match fill {
1652			TrieFill::Full => {
1653				Contract::<T>::with_unbalanced_storage_trie(VmBinaryModule::dummy(), &key)?
1654			},
1655			TrieFill::Empty => Contract::<T>::new(VmBinaryModule::dummy(), vec![])?,
1656		};
1657		let info = instance.info()?;
1658		info.bench_write_raw(&key, Some(initial_value), false)
1659			.map_err(|_| "Failed to write to storage during setup.")?;
1660		Ok((info, key, value))
1661	}
1662
1663	enum StorageCall {
1664		Clear,
1665		Contains,
1666		Take,
1667	}
1668
1669	fn setup_precompile_bench<T: Config>(
1670		op: StorageCall,
1671		key_byte: u8,
1672		access: SlotAccess,
1673	) -> Result<(CallSetup<T>, Key, Vec<u8>), BenchmarkError> {
1674		let max_key_len = limits::STORAGE_KEY_BYTES;
1675		let key = Key::try_from_var(vec![key_byte; max_key_len as usize])
1676			.map_err(|_| "Key has wrong length")?;
1677		let raw_key = vec![key_byte; max_key_len as usize].into();
1678		let input_bytes = match op {
1679			StorageCall::Clear => {
1680				IStorage::IStorageCalls::clearStorage(IStorage::clearStorageCall {
1681					flags: StorageFlags::empty().bits(),
1682					key: raw_key,
1683					isFixedKey: false,
1684				})
1685			},
1686			StorageCall::Contains => {
1687				IStorage::IStorageCalls::containsStorage(IStorage::containsStorageCall {
1688					flags: StorageFlags::empty().bits(),
1689					key: raw_key,
1690					isFixedKey: false,
1691				})
1692			},
1693			StorageCall::Take => IStorage::IStorageCalls::takeStorage(IStorage::takeStorageCall {
1694				flags: StorageFlags::empty().bits(),
1695				key: raw_key,
1696				isFixedKey: false,
1697			}),
1698		}
1699		.abi_encode();
1700
1701		let call_setup = CallSetup::<T>::default();
1702		if matches!(access, SlotAccess::Hot) {
1703			let info = call_setup.contract().info()?;
1704			frame_benchmarking::add_to_whitelist_child(
1705				info.child_trie_info().storage_key().to_vec(),
1706				key.hash(),
1707			);
1708		}
1709		Ok((call_setup, key, input_bytes))
1710	}
1711
1712	#[benchmark(skip_meta, pov_mode = Measured)]
1713	fn get_storage_empty() -> Result<(), BenchmarkError> {
1714		let (info, key, value) = build_storage_contract::<T>(StorageOp::Read, TrieFill::Empty)?;
1715		let child_trie_info = info.child_trie_info();
1716
1717		let result;
1718		#[block]
1719		{
1720			result = child::get_raw(&child_trie_info, &key);
1721		}
1722
1723		assert_eq!(result, Some(value));
1724		Ok(())
1725	}
1726
1727	#[benchmark(skip_meta, pov_mode = Measured)]
1728	fn get_storage_full() -> Result<(), BenchmarkError> {
1729		let (info, key, value) = build_storage_contract::<T>(StorageOp::Read, TrieFill::Full)?;
1730		let child_trie_info = info.child_trie_info();
1731
1732		let result;
1733		#[block]
1734		{
1735			result = child::get_raw(&child_trie_info, &key);
1736		}
1737
1738		assert_eq!(result, Some(value));
1739		Ok(())
1740	}
1741
1742	#[benchmark(skip_meta, pov_mode = Measured)]
1743	fn set_storage_empty() -> Result<(), BenchmarkError> {
1744		let (info, key, value) = build_storage_contract::<T>(StorageOp::Write, TrieFill::Empty)?;
1745
1746		let val = Some(value.clone());
1747		let result;
1748		#[block]
1749		{
1750			result = info.bench_write_raw(&key, val, true);
1751		}
1752
1753		assert_ok!(result);
1754		assert_eq!(child::get_raw(&info.child_trie_info(), &key).unwrap(), value);
1755		Ok(())
1756	}
1757
1758	#[benchmark(skip_meta, pov_mode = Measured)]
1759	fn set_storage_full() -> Result<(), BenchmarkError> {
1760		let (info, key, value) = build_storage_contract::<T>(StorageOp::Write, TrieFill::Full)?;
1761
1762		let val = Some(value.clone());
1763		let result;
1764		#[block]
1765		{
1766			result = info.bench_write_raw(&key, val, true);
1767		}
1768
1769		assert_ok!(result);
1770		assert_eq!(child::get_raw(&info.child_trie_info(), &key).unwrap(), value);
1771		Ok(())
1772	}
1773
1774	/// Worst-case lookup keys: differing only at the tail, comparisons walk the whole key.
1775	fn shared_prefix_keys(count: usize, suffix_of: impl Fn(u64) -> u64) -> Vec<Vec<u8>> {
1776		(0..count as u64)
1777			.map(|i| {
1778				let mut key = vec![0u8; limits::STORAGE_KEY_BYTES as usize];
1779				key[limits::STORAGE_KEY_BYTES as usize - 8..]
1780					.copy_from_slice(&suffix_of(i).to_be_bytes());
1781				key
1782			})
1783			.collect()
1784	}
1785
1786	/// Probed keys must exist, or reads measure a proof-of-absence walk instead.
1787	/// Whitelisting keeps them out of the DB counters and pre-warms the cache.
1788	fn setup_stored_keys<T: Config>(
1789		count: usize,
1790		value_byte: u8,
1791		suffix_of: impl Fn(u64) -> u64,
1792	) -> Result<(ContractInfo<T>, Vec<Vec<u8>>), BenchmarkError> {
1793		let instance = Contract::<T>::new(VmBinaryModule::dummy(), vec![])?;
1794		let info = instance.info()?;
1795		let child_trie_info = info.child_trie_info();
1796		let value = vec![value_byte; limits::STORAGE_BYTES as usize];
1797		let stored_keys = shared_prefix_keys(count, suffix_of);
1798		for key in &stored_keys {
1799			info.bench_write_raw(key, Some(value.clone()), false)
1800				.map_err(|_| "Failed to write to storage during setup.")?;
1801			frame_benchmarking::add_to_whitelist_child(
1802				child_trie_info.storage_key().to_vec(),
1803				key.clone(),
1804			);
1805		}
1806		Ok((info, stored_keys))
1807	}
1808
1809	#[benchmark(skip_meta, pov_mode = Measured)]
1810	fn overlay_probe_full(
1811		n: Linear<0, { MAX_ACCESS_LIST_ENTRIES as u32 }>,
1812	) -> Result<(), BenchmarkError> {
1813		let value_byte = 42;
1814		// One stored key per probe; odd suffixes, so the even fill never overwrites them.
1815		let (info, stored_keys) =
1816			setup_stored_keys::<T>(MAX_ACCESS_LIST_ENTRIES, value_byte, |i| i * 2 + 1)?;
1817		let child_trie_info = info.child_trie_info();
1818		// The block's PoV budget bounds the overlay entries like the access list cap.
1819		let fill_keys = shared_prefix_keys(MAX_ACCESS_LIST_ENTRIES, |i| (i + 1) * 2);
1820
1821		let mut result = None;
1822		#[block]
1823		{
1824			// The benchmark framework drains the overlay right before the block, so fill here.
1825			for key in &fill_keys {
1826				child::put_raw(&child_trie_info, key, &[0u8]);
1827			}
1828			for i in 0..n {
1829				let index = i as usize % stored_keys.len();
1830				result = child::get_raw(&child_trie_info, &stored_keys[index]);
1831			}
1832		}
1833
1834		if n > 0 {
1835			let expected = vec![value_byte; limits::STORAGE_BYTES as usize];
1836			assert_eq!(result, Some(expected), "the stored value must be read back");
1837		}
1838		Ok(())
1839	}
1840
1841	#[benchmark(skip_meta, pov_mode = Measured)]
1842	fn overlay_probe_empty(
1843		n: Linear<0, { MAX_ACCESS_LIST_ENTRIES as u32 }>,
1844	) -> Result<(), BenchmarkError> {
1845		let value_byte = 42;
1846		// Reads must cost the same as in `overlay_probe_full`, so their shared cost cancels.
1847		let (info, stored_keys) =
1848			setup_stored_keys::<T>(MAX_ACCESS_LIST_ENTRIES, value_byte, |i| i * 2 + 1)?;
1849		let child_trie_info = info.child_trie_info();
1850
1851		let mut result = None;
1852		#[block]
1853		{
1854			for i in 0..n {
1855				let index = i as usize % stored_keys.len();
1856				result = child::get_raw(&child_trie_info, &stored_keys[index]);
1857			}
1858		}
1859
1860		if n > 0 {
1861			let expected = vec![value_byte; limits::STORAGE_BYTES as usize];
1862			assert_eq!(result, Some(expected), "the stored value must be read back");
1863		}
1864		Ok(())
1865	}
1866
1867	// n: new byte size
1868	// o: old byte size
1869	#[benchmark(skip_meta, pov_mode = Measured)]
1870	fn seal_set_storage(
1871		n: Linear<0, { limits::STORAGE_BYTES }>,
1872		o: Linear<0, { limits::STORAGE_BYTES }>,
1873	) -> Result<(), BenchmarkError> {
1874		let max_key_len = limits::STORAGE_KEY_BYTES;
1875		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
1876			.map_err(|_| "Key has wrong length")?;
1877		let value = vec![1u8; n as usize];
1878
1879		build_runtime!(runtime, instance, memory: [ key.unhashed(), value.clone(), ]);
1880		let info = instance.info()?;
1881
1882		info.write(&key, Some(vec![42u8; o as usize]), None, false)
1883			.map_err(|_| "Failed to write to storage during setup.")?;
1884
1885		let result;
1886		#[block]
1887		{
1888			result = runtime.bench_set_storage(
1889				memory.as_mut_slice(),
1890				StorageFlags::empty().bits(),
1891				0,           // key_ptr
1892				max_key_len, // key_len
1893				max_key_len, // value_ptr
1894				n,           // value_len
1895			);
1896		}
1897
1898		assert_ok!(result);
1899		assert_eq!(info.read(&key).unwrap(), value);
1900		Ok(())
1901	}
1902
1903	#[benchmark(skip_meta, pov_mode = Measured)]
1904	fn seal_set_storage_hot(
1905		n: Linear<0, { limits::STORAGE_BYTES }>,
1906		o: Linear<0, { limits::STORAGE_BYTES }>,
1907	) -> Result<(), BenchmarkError> {
1908		let max_key_len = limits::STORAGE_KEY_BYTES;
1909		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
1910			.map_err(|_| "Key has wrong length")?;
1911		let value = vec![1u8; n as usize];
1912
1913		build_runtime!(runtime, instance, memory: [ key.unhashed(), value.clone(), ]);
1914		let info = instance.info()?;
1915
1916		info.write(&key, Some(vec![42u8; o as usize]), None, false)
1917			.map_err(|_| "Failed to write to storage during setup.")?;
1918
1919		frame_benchmarking::add_to_whitelist_child(
1920			info.child_trie_info().storage_key().to_vec(),
1921			key.hash(),
1922		);
1923
1924		// Add the key to access list so the op's touch is hot.
1925		runtime.ext().touch_storage_access(&key, StorageOp::Write);
1926
1927		let result;
1928		#[block]
1929		{
1930			result = runtime.bench_set_storage(
1931				memory.as_mut_slice(),
1932				StorageFlags::empty().bits(),
1933				0,           // key_ptr
1934				max_key_len, // key_len
1935				max_key_len, // value_ptr
1936				n,           // value_len
1937			);
1938		}
1939
1940		assert_ok!(result);
1941		assert_eq!(info.read(&key).unwrap(), value);
1942		Ok(())
1943	}
1944
1945	#[benchmark(skip_meta, pov_mode = Measured)]
1946	fn clear_storage(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
1947		let key_byte = 0;
1948		let (mut call_setup, key, input_bytes) =
1949			setup_precompile_bench::<T>(StorageCall::Clear, key_byte, SlotAccess::Cold)?;
1950		let (mut ext, _) = call_setup.ext();
1951		ext.set_storage(&key, Some(vec![42u8; n as usize]), false)
1952			.map_err(|_| "Failed to write to storage during setup.")?;
1953
1954		let result;
1955		#[block]
1956		{
1957			result = run_builtin_precompile(
1958				&mut ext,
1959				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
1960				input_bytes,
1961			);
1962		}
1963		assert_ok!(result);
1964		assert!(ext.get_storage(&key).is_none());
1965
1966		Ok(())
1967	}
1968
1969	#[benchmark(skip_meta, pov_mode = Measured)]
1970	fn clear_storage_hot(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
1971		let key_byte = 0;
1972		let (mut call_setup, key, input_bytes) =
1973			setup_precompile_bench::<T>(StorageCall::Clear, key_byte, SlotAccess::Hot)?;
1974		let (mut ext, _) = call_setup.ext();
1975		ext.set_storage(&key, Some(vec![42u8; n as usize]), false)
1976			.map_err(|_| "Failed to write to storage during setup.")?;
1977
1978		ext.touch_storage_access(&key, StorageOp::Write);
1979
1980		let result;
1981		#[block]
1982		{
1983			result = run_builtin_precompile(
1984				&mut ext,
1985				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
1986				input_bytes,
1987			);
1988		}
1989		assert_ok!(result);
1990		assert!(ext.get_storage(&key).is_none());
1991
1992		Ok(())
1993	}
1994
1995	#[benchmark(skip_meta, pov_mode = Measured)]
1996	fn seal_get_storage(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
1997		let max_key_len = limits::STORAGE_KEY_BYTES;
1998		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
1999			.map_err(|_| "Key has wrong length")?;
2000		build_runtime!(runtime, instance, memory: [ key.unhashed(), n.to_le_bytes(), vec![0u8; n as _], ]);
2001		let info = instance.info()?;
2002
2003		info.write(&key, Some(vec![42u8; n as usize]), None, false)
2004			.map_err(|_| "Failed to write to storage during setup.")?;
2005
2006		let out_ptr = max_key_len + 4;
2007		let result;
2008		#[block]
2009		{
2010			result = runtime.bench_get_storage(
2011				memory.as_mut_slice(),
2012				StorageFlags::empty().bits(),
2013				0,           // key_ptr
2014				max_key_len, // key_len
2015				out_ptr,     // out_ptr
2016				max_key_len, // out_len_ptr
2017			);
2018		}
2019
2020		assert_ok!(result);
2021		assert_eq!(&info.read(&key).unwrap(), &memory[out_ptr as usize..]);
2022		Ok(())
2023	}
2024
2025	#[benchmark(skip_meta, pov_mode = Measured)]
2026	fn seal_get_storage_hot(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
2027		let max_key_len = limits::STORAGE_KEY_BYTES;
2028		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2029			.map_err(|_| "Key has wrong length")?;
2030		build_runtime!(runtime, instance, memory: [ key.unhashed(), n.to_le_bytes(), vec![0u8; n as _], ]);
2031		let info = instance.info()?;
2032
2033		info.write(&key, Some(vec![42u8; n as usize]), None, false)
2034			.map_err(|_| "Failed to write to storage during setup.")?;
2035
2036		frame_benchmarking::add_to_whitelist_child(
2037			info.child_trie_info().storage_key().to_vec(),
2038			key.hash(),
2039		);
2040
2041		runtime.ext().touch_storage_access(&key, StorageOp::Read);
2042
2043		let out_ptr = max_key_len + 4;
2044		let result;
2045		#[block]
2046		{
2047			result = runtime.bench_get_storage(
2048				memory.as_mut_slice(),
2049				StorageFlags::empty().bits(),
2050				0,           // key_ptr
2051				max_key_len, // key_len
2052				out_ptr,     // out_ptr
2053				max_key_len, // out_len_ptr
2054			);
2055		}
2056
2057		assert_ok!(result);
2058		assert_eq!(&info.read(&key).unwrap(), &memory[out_ptr as usize..]);
2059		Ok(())
2060	}
2061
2062	#[benchmark(skip_meta, pov_mode = Measured)]
2063	fn contains_storage(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
2064		let key_byte = 0;
2065		let (mut call_setup, key, input_bytes) =
2066			setup_precompile_bench::<T>(StorageCall::Contains, key_byte, SlotAccess::Cold)?;
2067		let (mut ext, _) = call_setup.ext();
2068		ext.set_storage(&key, Some(vec![42u8; n as usize]), false)
2069			.map_err(|_| "Failed to write to storage during setup.")?;
2070
2071		let result;
2072		#[block]
2073		{
2074			result = run_builtin_precompile(
2075				&mut ext,
2076				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2077				input_bytes,
2078			);
2079		}
2080		assert_ok!(result);
2081		assert!(ext.get_storage(&key).is_some());
2082
2083		Ok(())
2084	}
2085
2086	#[benchmark(skip_meta, pov_mode = Measured)]
2087	fn contains_storage_hot(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
2088		let key_byte = 0;
2089		let (mut call_setup, key, input_bytes) =
2090			setup_precompile_bench::<T>(StorageCall::Contains, key_byte, SlotAccess::Hot)?;
2091		let (mut ext, _) = call_setup.ext();
2092		ext.set_storage(&key, Some(vec![42u8; n as usize]), false)
2093			.map_err(|_| "Failed to write to storage during setup.")?;
2094
2095		ext.touch_storage_access(&key, StorageOp::Read);
2096
2097		let result;
2098		#[block]
2099		{
2100			result = run_builtin_precompile(
2101				&mut ext,
2102				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2103				input_bytes,
2104			);
2105		}
2106		assert_ok!(result);
2107		assert!(ext.get_storage(&key).is_some());
2108
2109		Ok(())
2110	}
2111
2112	#[benchmark(skip_meta, pov_mode = Measured)]
2113	fn take_storage(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
2114		let key_byte = 3;
2115		let (mut call_setup, key, input_bytes) =
2116			setup_precompile_bench::<T>(StorageCall::Take, key_byte, SlotAccess::Cold)?;
2117		let (mut ext, _) = call_setup.ext();
2118		ext.set_storage(&key, Some(vec![42u8; n as usize]), false)
2119			.map_err(|_| "Failed to write to storage during setup.")?;
2120
2121		let result;
2122		#[block]
2123		{
2124			result = run_builtin_precompile(
2125				&mut ext,
2126				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2127				input_bytes,
2128			);
2129		}
2130		assert_ok!(result);
2131		assert!(ext.get_storage(&key).is_none());
2132
2133		Ok(())
2134	}
2135
2136	#[benchmark(skip_meta, pov_mode = Measured)]
2137	fn take_storage_hot(n: Linear<0, { limits::STORAGE_BYTES }>) -> Result<(), BenchmarkError> {
2138		let key_byte = 3;
2139		let (mut call_setup, key, input_bytes) =
2140			setup_precompile_bench::<T>(StorageCall::Take, key_byte, SlotAccess::Hot)?;
2141		let (mut ext, _) = call_setup.ext();
2142		ext.set_storage(&key, Some(vec![42u8; n as usize]), false)
2143			.map_err(|_| "Failed to write to storage during setup.")?;
2144
2145		ext.touch_storage_access(&key, StorageOp::Write);
2146
2147		let result;
2148		#[block]
2149		{
2150			result = run_builtin_precompile(
2151				&mut ext,
2152				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2153				input_bytes,
2154			);
2155		}
2156		assert_ok!(result);
2157		assert!(ext.get_storage(&key).is_none());
2158
2159		Ok(())
2160	}
2161
2162	fn worst_case_slot() -> crate::access_list::Slot {
2163		let key = Key::try_from_var(vec![0xFFu8; limits::STORAGE_KEY_BYTES as usize])
2164			.expect("key fits STORAGE_KEY_BYTES bound; qed");
2165		crate::access_list::Slot::from(&key)
2166	}
2167
2168	fn near_full_access_list() -> crate::access_list::AccessList {
2169		let mut al = AccessList::new();
2170		for i in 0..(MAX_ACCESS_LIST_ENTRIES - 1) {
2171			al.touch(
2172				AccessEntry { slot: worst_case_slot(), address: H160::from_low_u64_be(i as u64) },
2173				StorageOp::Read,
2174			);
2175		}
2176		al
2177	}
2178
2179	#[benchmark(pov_mode = Ignored)]
2180	fn access_list_touch_cold_full() -> Result<(), BenchmarkError> {
2181		let mut al = near_full_access_list();
2182		// Insert a new entry (u64::MAX is past the fill range, so the touch is cold).
2183		let entry =
2184			AccessEntry { slot: worst_case_slot(), address: H160::from_low_u64_be(u64::MAX) };
2185		let outcome;
2186		#[block]
2187		{
2188			outcome = al.touch(entry, StorageOp::Read);
2189		}
2190		assert!(outcome.is_cold());
2191		Ok(())
2192	}
2193
2194	#[benchmark(pov_mode = Ignored)]
2195	fn access_list_touch_hot_full() -> Result<(), BenchmarkError> {
2196		let mut al = near_full_access_list();
2197		// Worst-case hot touch: the rightmost key and the write upgrades the read-paid entry.
2198		let entry = AccessEntry {
2199			slot: worst_case_slot(),
2200			address: H160::from_low_u64_be(MAX_ACCESS_LIST_ENTRIES as u64 - 2),
2201		};
2202
2203		let touched = entry.clone();
2204		let outcome;
2205		#[block]
2206		{
2207			outcome = al.touch(touched, StorageOp::Write);
2208		}
2209		assert_eq!(
2210			outcome,
2211			Warmth::Hot { charged: StorageOp::Read },
2212			"the fill seeded this entry read-paid"
2213		);
2214		assert_eq!(
2215			al.peek(&entry),
2216			Warmth::Hot { charged: StorageOp::Write },
2217			"the write upgraded the entry"
2218		);
2219		Ok(())
2220	}
2221
2222	#[benchmark(pov_mode = Ignored)]
2223	fn access_list_touch_cold_empty() -> Result<(), BenchmarkError> {
2224		let mut al = AccessList::new();
2225		let entry =
2226			AccessEntry { slot: worst_case_slot(), address: H160::from_low_u64_be(u64::MAX) };
2227		let outcome;
2228		#[block]
2229		{
2230			outcome = al.touch(entry, StorageOp::Read);
2231		}
2232		assert!(outcome.is_cold());
2233		Ok(())
2234	}
2235
2236	#[benchmark(pov_mode = Ignored)]
2237	fn access_list_touch_hot_single_element() -> Result<(), BenchmarkError> {
2238		let mut al = AccessList::new();
2239		let entry =
2240			AccessEntry { slot: worst_case_slot(), address: H160::from_low_u64_be(u64::MAX) };
2241		al.touch(entry.clone(), StorageOp::Read);
2242		let outcome;
2243		#[block]
2244		{
2245			outcome = al.touch(entry, StorageOp::Read);
2246		}
2247		assert!(!outcome.is_cold());
2248		Ok(())
2249	}
2250
2251	// Per-entry rollback cost, prepaid by every cold touch since a frame revert
2252	// can't charge gas itself. Isolated by reverting a frame with exactly one
2253	// journaled entry on top of a near-full `AccessList`.
2254	#[benchmark(pov_mode = Ignored)]
2255	fn access_list_rollback_amortization() -> Result<(), BenchmarkError> {
2256		let mut al = near_full_access_list();
2257		al.enter_frame();
2258		al.touch(
2259			AccessEntry { slot: worst_case_slot(), address: H160::from_low_u64_be(u64::MAX) },
2260			StorageOp::Read,
2261		);
2262		#[block]
2263		{
2264			al.rollback_frame();
2265		}
2266		Ok(())
2267	}
2268
2269	// We use both full and empty benchmarks here instead of benchmarking transient_storage
2270	// (BTreeMap) directly. This approach is necessary because benchmarking this BTreeMap is very
2271	// slow. Additionally, we use linear regression for our benchmarks, and the BTreeMap's log(n)
2272	// complexity can introduce approximation errors.
2273	#[benchmark(pov_mode = Ignored)]
2274	fn set_transient_storage_empty() -> Result<(), BenchmarkError> {
2275		let max_value_len = limits::STORAGE_BYTES;
2276		let max_key_len = limits::STORAGE_KEY_BYTES;
2277		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2278			.map_err(|_| "Key has wrong length")?;
2279		let value = Some(vec![42u8; max_value_len as _]);
2280		let mut setup = CallSetup::<T>::default();
2281		let (mut ext, _) = setup.ext();
2282		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2283		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2284		let result;
2285		#[block]
2286		{
2287			result = runtime.ext().set_transient_storage(&key, value, false);
2288		}
2289
2290		assert_eq!(result, Ok(WriteOutcome::New));
2291		assert_eq!(runtime.ext().get_transient_storage(&key), Some(vec![42u8; max_value_len as _]));
2292		Ok(())
2293	}
2294
2295	#[benchmark(pov_mode = Ignored)]
2296	fn set_transient_storage_full() -> Result<(), BenchmarkError> {
2297		let max_value_len = limits::STORAGE_BYTES;
2298		let max_key_len = limits::STORAGE_KEY_BYTES;
2299		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2300			.map_err(|_| "Key has wrong length")?;
2301		let value = Some(vec![42u8; max_value_len as _]);
2302		let mut setup = CallSetup::<T>::default();
2303		setup.set_transient_storage_size(limits::TRANSIENT_STORAGE_BYTES);
2304		let (mut ext, _) = setup.ext();
2305		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2306		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2307		let result;
2308		#[block]
2309		{
2310			result = runtime.ext().set_transient_storage(&key, value, false);
2311		}
2312
2313		assert_eq!(result, Ok(WriteOutcome::New));
2314		assert_eq!(runtime.ext().get_transient_storage(&key), Some(vec![42u8; max_value_len as _]));
2315		Ok(())
2316	}
2317
2318	#[benchmark(pov_mode = Ignored)]
2319	fn get_transient_storage_empty() -> Result<(), BenchmarkError> {
2320		let max_value_len = limits::STORAGE_BYTES;
2321		let max_key_len = limits::STORAGE_KEY_BYTES;
2322		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2323			.map_err(|_| "Key has wrong length")?;
2324
2325		let mut setup = CallSetup::<T>::default();
2326		let (mut ext, _) = setup.ext();
2327		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2328		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2329		runtime
2330			.ext()
2331			.set_transient_storage(&key, Some(vec![42u8; max_value_len as _]), false)
2332			.map_err(|_| "Failed to write to transient storage during setup.")?;
2333		let result;
2334		#[block]
2335		{
2336			result = runtime.ext().get_transient_storage(&key);
2337		}
2338
2339		assert_eq!(result, Some(vec![42u8; max_value_len as _]));
2340		Ok(())
2341	}
2342
2343	#[benchmark(pov_mode = Ignored)]
2344	fn get_transient_storage_full() -> Result<(), BenchmarkError> {
2345		let max_value_len = limits::STORAGE_BYTES;
2346		let max_key_len = limits::STORAGE_KEY_BYTES;
2347		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2348			.map_err(|_| "Key has wrong length")?;
2349
2350		let mut setup = CallSetup::<T>::default();
2351		setup.set_transient_storage_size(limits::TRANSIENT_STORAGE_BYTES);
2352		let (mut ext, _) = setup.ext();
2353		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2354		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2355		runtime
2356			.ext()
2357			.set_transient_storage(&key, Some(vec![42u8; max_value_len as _]), false)
2358			.map_err(|_| "Failed to write to transient storage during setup.")?;
2359		let result;
2360		#[block]
2361		{
2362			result = runtime.ext().get_transient_storage(&key);
2363		}
2364
2365		assert_eq!(result, Some(vec![42u8; max_value_len as _]));
2366		Ok(())
2367	}
2368
2369	// The weight of journal rollbacks should be taken into account when setting storage.
2370	#[benchmark(pov_mode = Ignored)]
2371	fn rollback_transient_storage() -> Result<(), BenchmarkError> {
2372		let max_value_len = limits::STORAGE_BYTES;
2373		let max_key_len = limits::STORAGE_KEY_BYTES;
2374		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2375			.map_err(|_| "Key has wrong length")?;
2376
2377		let mut setup = CallSetup::<T>::default();
2378		setup.set_transient_storage_size(limits::TRANSIENT_STORAGE_BYTES);
2379		let (mut ext, _) = setup.ext();
2380		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2381		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2382		runtime.ext().transient_storage().start_transaction();
2383		runtime
2384			.ext()
2385			.set_transient_storage(&key, Some(vec![42u8; max_value_len as _]), false)
2386			.map_err(|_| "Failed to write to transient storage during setup.")?;
2387		#[block]
2388		{
2389			runtime.ext().transient_storage().rollback_transaction();
2390		}
2391
2392		assert_eq!(runtime.ext().get_transient_storage(&key), None);
2393		Ok(())
2394	}
2395
2396	// n: new byte size
2397	// o: old byte size
2398	#[benchmark(pov_mode = Measured)]
2399	fn seal_set_transient_storage(
2400		n: Linear<0, { limits::STORAGE_BYTES }>,
2401		o: Linear<0, { limits::STORAGE_BYTES }>,
2402	) -> Result<(), BenchmarkError> {
2403		let max_key_len = limits::STORAGE_KEY_BYTES;
2404		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2405			.map_err(|_| "Key has wrong length")?;
2406		let value = vec![1u8; n as usize];
2407		build_runtime!(runtime, memory: [ key.unhashed(), value.clone(), ]);
2408		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2409		runtime
2410			.ext()
2411			.set_transient_storage(&key, Some(vec![42u8; o as usize]), false)
2412			.map_err(|_| "Failed to write to transient storage during setup.")?;
2413
2414		let result;
2415		#[block]
2416		{
2417			result = runtime.bench_set_storage(
2418				memory.as_mut_slice(),
2419				StorageFlags::TRANSIENT.bits(),
2420				0,           // key_ptr
2421				max_key_len, // key_len
2422				max_key_len, // value_ptr
2423				n,           // value_len
2424			);
2425		}
2426
2427		assert_ok!(result);
2428		assert_eq!(runtime.ext().get_transient_storage(&key).unwrap(), value);
2429		Ok(())
2430	}
2431
2432	#[benchmark(pov_mode = Measured)]
2433	fn seal_clear_transient_storage(
2434		n: Linear<0, { limits::STORAGE_BYTES }>,
2435	) -> Result<(), BenchmarkError> {
2436		let max_key_len = limits::STORAGE_KEY_BYTES;
2437		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2438			.map_err(|_| "Key has wrong length")?;
2439		let input_bytes = IStorage::IStorageCalls::clearStorage(IStorage::clearStorageCall {
2440			flags: StorageFlags::TRANSIENT.bits(),
2441			key: vec![0u8; max_key_len as usize].into(),
2442			isFixedKey: false,
2443		})
2444		.abi_encode();
2445
2446		let mut call_setup = CallSetup::<T>::default();
2447		let (mut ext, _) = call_setup.ext();
2448		ext.set_transient_storage(&key, Some(vec![42u8; n as usize]), false)
2449			.map_err(|_| "Failed to write to transient storage during setup.")?;
2450
2451		let result;
2452		#[block]
2453		{
2454			result = run_builtin_precompile(
2455				&mut ext,
2456				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2457				input_bytes,
2458			);
2459		}
2460		assert_ok!(result);
2461		assert!(ext.get_transient_storage(&key).is_none());
2462
2463		Ok(())
2464	}
2465
2466	#[benchmark(pov_mode = Measured)]
2467	fn seal_get_transient_storage(
2468		n: Linear<0, { limits::STORAGE_BYTES }>,
2469	) -> Result<(), BenchmarkError> {
2470		let max_key_len = limits::STORAGE_KEY_BYTES;
2471		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2472			.map_err(|_| "Key has wrong length")?;
2473		build_runtime!(runtime, memory: [ key.unhashed(), n.to_le_bytes(), vec![0u8; n as _], ]);
2474		runtime.ext().transient_storage().meter().current_mut().limit = u32::MAX;
2475		runtime
2476			.ext()
2477			.set_transient_storage(&key, Some(vec![42u8; n as usize]), false)
2478			.map_err(|_| "Failed to write to transient storage during setup.")?;
2479
2480		let out_ptr = max_key_len + 4;
2481		let result;
2482		#[block]
2483		{
2484			result = runtime.bench_get_storage(
2485				memory.as_mut_slice(),
2486				StorageFlags::TRANSIENT.bits(),
2487				0,           // key_ptr
2488				max_key_len, // key_len
2489				out_ptr,     // out_ptr
2490				max_key_len, // out_len_ptr
2491			);
2492		}
2493
2494		assert_ok!(result);
2495		assert_eq!(
2496			&runtime.ext().get_transient_storage(&key).unwrap(),
2497			&memory[out_ptr as usize..]
2498		);
2499		Ok(())
2500	}
2501
2502	#[benchmark(pov_mode = Measured)]
2503	fn seal_contains_transient_storage(
2504		n: Linear<0, { limits::STORAGE_BYTES }>,
2505	) -> Result<(), BenchmarkError> {
2506		let max_key_len = limits::STORAGE_KEY_BYTES;
2507		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2508			.map_err(|_| "Key has wrong length")?;
2509
2510		let input_bytes = IStorage::IStorageCalls::containsStorage(IStorage::containsStorageCall {
2511			flags: StorageFlags::TRANSIENT.bits(),
2512			key: vec![0u8; max_key_len as usize].into(),
2513			isFixedKey: false,
2514		})
2515		.abi_encode();
2516
2517		let mut call_setup = CallSetup::<T>::default();
2518		let (mut ext, _) = call_setup.ext();
2519		ext.set_transient_storage(&key, Some(vec![42u8; n as usize]), false)
2520			.map_err(|_| "Failed to write to transient storage during setup.")?;
2521
2522		let result;
2523		#[block]
2524		{
2525			result = run_builtin_precompile(
2526				&mut ext,
2527				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2528				input_bytes,
2529			);
2530		}
2531		assert!(result.is_ok());
2532		assert!(ext.get_transient_storage(&key).is_some());
2533
2534		Ok(())
2535	}
2536
2537	#[benchmark(pov_mode = Measured)]
2538	fn seal_take_transient_storage(
2539		n: Linear<0, { limits::STORAGE_BYTES }>,
2540	) -> Result<(), BenchmarkError> {
2541		let n = limits::STORAGE_BYTES;
2542		let value = vec![42u8; n as usize];
2543		let max_key_len = limits::STORAGE_KEY_BYTES;
2544		let key = Key::try_from_var(vec![0u8; max_key_len as usize])
2545			.map_err(|_| "Key has wrong length")?;
2546
2547		let input_bytes = IStorage::IStorageCalls::takeStorage(IStorage::takeStorageCall {
2548			flags: StorageFlags::TRANSIENT.bits(),
2549			key: vec![0u8; max_key_len as usize].into(),
2550			isFixedKey: false,
2551		})
2552		.abi_encode();
2553
2554		let mut call_setup = CallSetup::<T>::default();
2555		let (mut ext, _) = call_setup.ext();
2556		ext.set_transient_storage(&key, Some(value), false)
2557			.map_err(|_| "Failed to write to transient storage during setup.")?;
2558
2559		let result;
2560		#[block]
2561		{
2562			result = run_builtin_precompile(
2563				&mut ext,
2564				H160(BenchmarkStorage::<T>::MATCHER.base_address()).as_fixed_bytes(),
2565				input_bytes,
2566			);
2567		}
2568		assert!(result.is_ok());
2569		assert!(ext.get_transient_storage(&key).is_none());
2570
2571		Ok(())
2572	}
2573
2574	// t: with or without some value to transfer
2575	// d: with or without dust value to transfer
2576	// i: size of the input data
2577	#[benchmark(pov_mode = Measured)]
2578	fn seal_call(
2579		t: Linear<0, 1>,
2580		d: Linear<0, 1>,
2581		i: Linear<0, { limits::code::BLOB_BYTES }>,
2582	) -> Result<(), BenchmarkError> {
2583		// An EIP-7702 delegated callee is the worst case for the account resolution in
2584		// `new_frame`: the `AccountInfoOf` entry decodes the larger `DelegatedEOA` variant and
2585		// the call still runs the target's code. (A callee whose delegation snapshot is empty
2586		// costs a second read of the target but skips code load and execution entirely, so it
2587		// is cheaper overall.)
2588		let target = Contract::<T>::with_index(1, VmBinaryModule::dummy(), vec![])?;
2589		let callee_addr = H160([0x42; 20]);
2590		let callee = delegated_eoa::<T>(callee_addr, target.address)?;
2591		// Keep the origin's budget the same as with a contract callee. A contract already exists
2592		// in `System`, so `Stack::transfer` skips the "create the destination" arm; a fresh EOA
2593		// does not, and that arm charges the destination's ED to the origin, leaving it nothing
2594		// for `ensure_sufficient_dust` to burn into dust when `d == 1`.
2595		T::Currency::set_balance(&callee, Pallet::<T>::min_balance());
2596
2597		let callee_bytes = callee.encode();
2598		let callee_len = callee_bytes.len() as u32;
2599
2600		let value: BalanceOf<T> = (1_000_000u32 * t).into();
2601		let dust = 100u32 * d;
2602		let evm_value =
2603			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(value, dust));
2604		let value_bytes = evm_value.encode();
2605
2606		let deposit: BalanceOf<T> = (u32::MAX - 100).into();
2607		let deposit_bytes = Into::<U256>::into(deposit).encode();
2608		let deposit_len = deposit_bytes.len() as u32;
2609
2610		let mut setup = CallSetup::<T>::default();
2611		setup.set_storage_deposit_limit(deposit);
2612		// We benchmark the overhead of cloning the input. Not passing it to the contract.
2613		// This is why we set the input here instead of passig it as pointer to the `bench_call`.
2614		setup.set_data(vec![42; i as usize]);
2615		setup.set_origin(ExecOrigin::from_account_id(setup.contract().account_id.clone()));
2616		setup.set_balance(value + 1u32.into() + Pallet::<T>::min_balance());
2617
2618		let (mut ext, _) = setup.ext();
2619		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2620		let mut memory = memory!(callee_bytes, deposit_bytes, value_bytes,);
2621		let before = Pallet::<T>::evm_balance(&callee_addr);
2622
2623		let result;
2624		#[block]
2625		{
2626			result = runtime.bench_call(
2627				memory.as_mut_slice(),
2628				pack_hi_lo(CallFlags::CLONE_INPUT.bits(), 0), // flags + callee
2629				u64::MAX,                                     // ref_time_limit
2630				u64::MAX,                                     // proof_size_limit
2631				pack_hi_lo(callee_len, callee_len + deposit_len), // deposit_ptr + value_pr
2632				pack_hi_lo(0, 0),                             // input len + data ptr
2633				pack_hi_lo(0, SENTINEL),                      // output len + data ptr
2634			);
2635		}
2636
2637		assert_eq!(result.unwrap(), ReturnErrorCode::Success);
2638		assert_eq!(
2639			Pallet::<T>::evm_balance(&callee_addr),
2640			before + evm_value,
2641			"{callee_addr:?} balance should have grown by {evm_value:?}"
2642		);
2643
2644		Ok(())
2645	}
2646
2647	// d: 1 if the associated pre-compile has a contract info that needs to be loaded
2648	// i: size of the input data
2649	#[benchmark(pov_mode = Measured)]
2650	fn seal_call_precompile(d: Linear<0, 1>, i: Linear<0, { limits::CALLDATA_BYTES - 100 }>) {
2651		use alloy_core::sol_types::SolInterface;
2652		use precompiles::{BenchmarkNoInfo, BenchmarkWithInfo, BuiltinPrecompile, IBenchmarking};
2653
2654		let callee_bytes = if d == 1 {
2655			BenchmarkWithInfo::<T>::MATCHER.base_address().to_vec()
2656		} else {
2657			BenchmarkNoInfo::<T>::MATCHER.base_address().to_vec()
2658		};
2659		let callee_len = callee_bytes.len() as u32;
2660
2661		let deposit: BalanceOf<T> = (u32::MAX - 100).into();
2662		let deposit_bytes = Into::<U256>::into(deposit).encode();
2663		let deposit_len = deposit_bytes.len() as u32;
2664
2665		let value: BalanceOf<T> = Zero::zero();
2666		let value_bytes = Into::<U256>::into(value).encode();
2667		let value_len = value_bytes.len() as u32;
2668
2669		let input_bytes = IBenchmarking::IBenchmarkingCalls::bench(IBenchmarking::benchCall {
2670			input: vec![42_u8; i as usize].into(),
2671		})
2672		.abi_encode();
2673		let input_len = input_bytes.len() as u32;
2674
2675		let mut setup = CallSetup::<T>::default();
2676		setup.set_storage_deposit_limit(deposit);
2677
2678		let (mut ext, _) = setup.ext();
2679		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2680		let mut memory = memory!(callee_bytes, deposit_bytes, value_bytes, input_bytes,);
2681
2682		let mut do_benchmark = || {
2683			runtime.bench_call(
2684				memory.as_mut_slice(),
2685				pack_hi_lo(0, 0), // flags + callee
2686				u64::MAX,         // ref_time_limit
2687				u64::MAX,         // proof_size_limit
2688				pack_hi_lo(callee_len, callee_len + deposit_len), /* deposit_ptr +
2689				                   * value_pr */
2690				pack_hi_lo(input_len, callee_len + deposit_len + value_len), /* input len +
2691				                                                              * input ptr */
2692				pack_hi_lo(0, SENTINEL), // output len + output ptr
2693			)
2694		};
2695
2696		// first call of the pre-compile will create its contract info and account
2697		// so we make sure to create it
2698		assert_eq!(do_benchmark().unwrap(), ReturnErrorCode::Success);
2699
2700		let result;
2701		#[block]
2702		{
2703			result = do_benchmark();
2704		}
2705
2706		assert_eq!(result.unwrap(), ReturnErrorCode::Success);
2707	}
2708
2709	#[benchmark(pov_mode = Measured)]
2710	fn seal_delegate_call() -> Result<(), BenchmarkError> {
2711		// Delegated code source: worst case for the callee resolution in `new_frame`.
2712		// See `seal_call`.
2713		let target = Contract::<T>::with_index(1, VmBinaryModule::dummy(), vec![])?;
2714		let address = delegated_eoa::<T>(H160([0x43; 20]), target.address)?;
2715
2716		let address_bytes = address.encode();
2717		let address_len = address_bytes.len() as u32;
2718
2719		let deposit: BalanceOf<T> = (u32::MAX - 100).into();
2720		let deposit_bytes = Into::<U256>::into(deposit).encode();
2721
2722		let mut setup = CallSetup::<T>::default();
2723		setup.set_storage_deposit_limit(deposit);
2724		setup.set_origin(ExecOrigin::from_account_id(setup.contract().account_id.clone()));
2725
2726		let (mut ext, _) = setup.ext();
2727		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2728		let mut memory = memory!(address_bytes, deposit_bytes,);
2729
2730		let result;
2731		#[block]
2732		{
2733			result = runtime.bench_delegate_call(
2734				memory.as_mut_slice(),
2735				pack_hi_lo(0, 0),        // flags + address ptr
2736				u64::MAX,                // ref_time_limit
2737				u64::MAX,                // proof_size_limit
2738				address_len,             // deposit_ptr
2739				pack_hi_lo(0, 0),        // input len + data ptr
2740				pack_hi_lo(0, SENTINEL), // output len + ptr
2741			);
2742		}
2743
2744		assert_eq!(result.unwrap(), ReturnErrorCode::Success);
2745		Ok(())
2746	}
2747
2748	// t: with or without some value to transfer
2749	// d: with or without dust value to transfer
2750	// i: size of the input data
2751	#[benchmark(pov_mode = Measured)]
2752	fn seal_instantiate(
2753		t: Linear<0, 1>,
2754		d: Linear<0, 1>,
2755		i: Linear<0, { limits::CALLDATA_BYTES }>,
2756	) -> Result<(), BenchmarkError> {
2757		let code = VmBinaryModule::dummy();
2758		let hash = Contract::<T>::with_index(1, VmBinaryModule::dummy(), vec![])?.info()?.code_hash;
2759		let hash_bytes = hash.encode();
2760
2761		let value: BalanceOf<T> = (1_000_000u32 * t).into();
2762		let dust = 100u32 * d;
2763		let evm_value =
2764			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(value, dust));
2765		let value_bytes = evm_value.encode();
2766		let value_len = value_bytes.len() as u32;
2767
2768		let deposit: BalanceOf<T> = BalanceOf::<T>::max_value();
2769		let deposit_bytes = Into::<U256>::into(deposit).encode();
2770		let deposit_len = deposit_bytes.len() as u32;
2771
2772		let mut setup = CallSetup::<T>::default();
2773		setup.set_origin(ExecOrigin::from_account_id(setup.contract().account_id.clone()));
2774		setup.set_balance(value + 1u32.into() + (Pallet::<T>::min_balance() * 2u32.into()));
2775
2776		let account_id = &setup.contract().account_id.clone();
2777		let (mut ext, _) = setup.ext();
2778		let mut runtime = pvm::Runtime::<_, [u8]>::new(&mut ext, vec![]);
2779
2780		let input = vec![42u8; i as _];
2781		let input_len = hash_bytes.len() as u32 + input.len() as u32;
2782		let salt = [42u8; 32];
2783		let deployer = T::AddressMapper::to_address(&account_id);
2784		let addr = crate::address::create2(&deployer, &code.code, &input, &salt);
2785		let mut memory = memory!(hash_bytes, input, deposit_bytes, value_bytes, salt,);
2786
2787		let mut offset = {
2788			let mut current = 0u32;
2789			move |after: u32| {
2790				current += after;
2791				current
2792			}
2793		};
2794
2795		assert!(AccountInfoOf::<T>::get(&addr).is_none());
2796
2797		let result;
2798		#[block]
2799		{
2800			result = runtime.bench_instantiate(
2801				memory.as_mut_slice(),
2802				u64::MAX,                                           // ref_time_limit
2803				u64::MAX,                                           // proof_size_limit
2804				pack_hi_lo(offset(input_len), offset(deposit_len)), // deposit_ptr + value_ptr
2805				pack_hi_lo(input_len, 0),                           // input_data_len + input_data
2806				pack_hi_lo(0, SENTINEL),                            // output_len_ptr + output_ptr
2807				pack_hi_lo(SENTINEL, offset(value_len)),            // address_ptr + salt_ptr
2808			);
2809		}
2810
2811		assert_eq!(result.unwrap(), ReturnErrorCode::Success);
2812		assert!(AccountInfo::<T>::load_contract(&addr).is_some());
2813
2814		assert_eq!(
2815			Pallet::<T>::evm_balance(&addr),
2816			evm_value,
2817			"{addr:?} balance should hold {evm_value:?}"
2818		);
2819		Ok(())
2820	}
2821
2822	// t: with or without some value to transfer
2823	// d: with or without dust value to transfer
2824	// i: size of the init code (max 49152 bytes per EIP-3860)
2825	#[benchmark(pov_mode = Measured)]
2826	fn evm_instantiate(
2827		t: Linear<0, 1>,
2828		d: Linear<0, 1>,
2829		i: Linear<{ 10 * 1024 }, { 48 * 1024 }>,
2830	) -> Result<(), BenchmarkError> {
2831		use crate::vm::evm::instructions::BENCH_INIT_CODE;
2832		let mut setup = CallSetup::<T>::new(VmBinaryModule::evm_init_code_for_runtime_size(0));
2833		setup.set_origin(ExecOrigin::from_account_id(setup.contract().account_id.clone()));
2834		setup.set_balance(caller_funding::<T>());
2835
2836		let (mut ext, _) = setup.ext();
2837		let mut interpreter = Interpreter::new(Default::default(), Default::default(), &mut ext);
2838
2839		let value = {
2840			let value: BalanceOf<T> = (1_000_000u32 * t).into();
2841			let dust = 100u32 * d;
2842			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(value, dust))
2843		};
2844
2845		let init_code = vec![BENCH_INIT_CODE; i as usize];
2846		let _ = interpreter.memory.resize(0, init_code.len());
2847		let salt = U256::from(42u64);
2848		interpreter.memory.set_data(0, 0, init_code.len(), &init_code);
2849
2850		// Setup stack for create instruction [value, offset, size, salt]
2851		let _ = interpreter.stack.push(salt);
2852		let _ = interpreter.stack.push(U256::from(init_code.len()));
2853		let _ = interpreter.stack.push(U256::zero());
2854		let _ = interpreter.stack.push(value);
2855
2856		let result;
2857		#[block]
2858		{
2859			result = instructions::contract::create::<true, _>(&mut interpreter);
2860		}
2861
2862		assert!(result.is_continue());
2863		let addr = interpreter.stack.top().unwrap().into_address();
2864		assert!(AccountInfo::<T>::load_contract(&addr).is_some());
2865		assert_eq!(Pallet::<T>::code(&addr).len(), revm::primitives::eip170::MAX_CODE_SIZE);
2866		assert_eq!(Pallet::<T>::evm_balance(&addr), value, "balance should hold {value:?}");
2867		Ok(())
2868	}
2869
2870	// `n`: Input to hash in bytes
2871	#[benchmark(pov_mode = Measured)]
2872	fn sha2_256(n: Linear<0, { limits::code::BLOB_BYTES }>) {
2873		let input = vec![0u8; n as usize];
2874		let mut call_setup = CallSetup::<T>::default();
2875		let (mut ext, _) = call_setup.ext();
2876
2877		let result;
2878		#[block]
2879		{
2880			result = run_builtin_precompile(
2881				&mut ext,
2882				H160::from_low_u64_be(2).as_fixed_bytes(),
2883				input.clone(),
2884			);
2885		}
2886		assert_eq!(sp_io::hashing::sha2_256(&input).to_vec(), result.unwrap().data);
2887	}
2888
2889	#[benchmark(pov_mode = Measured)]
2890	fn identity(n: Linear<0, { limits::code::BLOB_BYTES }>) {
2891		let input = vec![0u8; n as usize];
2892		let mut call_setup = CallSetup::<T>::default();
2893		let (mut ext, _) = call_setup.ext();
2894
2895		let result;
2896		#[block]
2897		{
2898			result = run_builtin_precompile(
2899				&mut ext,
2900				H160::from_low_u64_be(4).as_fixed_bytes(),
2901				input.clone(),
2902			);
2903		}
2904		assert_eq!(input, result.unwrap().data);
2905	}
2906
2907	// `n`: Input to hash in bytes
2908	#[benchmark(pov_mode = Measured)]
2909	fn ripemd_160(n: Linear<0, { limits::code::BLOB_BYTES }>) {
2910		use ripemd::Digest;
2911		let input = vec![0u8; n as usize];
2912		let mut call_setup = CallSetup::<T>::default();
2913		let (mut ext, _) = call_setup.ext();
2914
2915		let result;
2916		#[block]
2917		{
2918			result = run_builtin_precompile(
2919				&mut ext,
2920				H160::from_low_u64_be(3).as_fixed_bytes(),
2921				input.clone(),
2922			);
2923		}
2924		let mut expected = [0u8; 32];
2925		expected[12..32].copy_from_slice(&ripemd::Ripemd160::digest(input));
2926
2927		assert_eq!(expected.to_vec(), result.unwrap().data);
2928	}
2929
2930	// `n`: Input to hash in bytes
2931	#[benchmark(pov_mode = Measured)]
2932	fn seal_hash_keccak_256(n: Linear<0, { limits::code::BLOB_BYTES }>) {
2933		build_runtime!(runtime, memory: [[0u8; 32], vec![0u8; n as usize], ]);
2934
2935		let result;
2936		#[block]
2937		{
2938			result = runtime.bench_hash_keccak_256(memory.as_mut_slice(), 32, n, 0);
2939		}
2940		assert_eq!(sp_io::hashing::keccak_256(&memory[32..]), &memory[0..32]);
2941		assert_ok!(result);
2942	}
2943
2944	// `n`: Input to hash in bytes
2945	#[benchmark(pov_mode = Measured)]
2946	fn hash_blake2_256(n: Linear<0, { limits::code::BLOB_BYTES }>) {
2947		let input = vec![0u8; n as usize];
2948		let input_bytes = ISystem::ISystemCalls::hashBlake256(ISystem::hashBlake256Call {
2949			input: input.clone().into(),
2950		})
2951		.abi_encode();
2952
2953		let mut call_setup = CallSetup::<T>::default();
2954		let (mut ext, _) = call_setup.ext();
2955
2956		let result;
2957		#[block]
2958		{
2959			result = run_builtin_precompile(
2960				&mut ext,
2961				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
2962				input_bytes,
2963			);
2964		}
2965		let truth: [u8; 32] = sp_io::hashing::blake2_256(&input);
2966		let truth = FixedBytes::<32>::abi_encode(&truth);
2967		let truth = FixedBytes::<32>::abi_decode(&truth[..]).expect("decoding failed");
2968
2969		let raw_data = result.unwrap().data;
2970		let ret_hash = FixedBytes::<32>::abi_decode(&raw_data[..]).expect("decoding failed");
2971		assert_eq!(truth, ret_hash);
2972	}
2973
2974	// `n`: Input to hash in bytes
2975	#[benchmark(pov_mode = Measured)]
2976	fn hash_blake2_128(n: Linear<0, { limits::code::BLOB_BYTES }>) {
2977		let input = vec![0u8; n as usize];
2978		let input_bytes = ISystem::ISystemCalls::hashBlake128(ISystem::hashBlake128Call {
2979			input: input.clone().into(),
2980		})
2981		.abi_encode();
2982
2983		let mut call_setup = CallSetup::<T>::default();
2984		let (mut ext, _) = call_setup.ext();
2985
2986		let result;
2987		#[block]
2988		{
2989			result = run_builtin_precompile(
2990				&mut ext,
2991				H160(BenchmarkSystem::<T>::MATCHER.base_address()).as_fixed_bytes(),
2992				input_bytes,
2993			);
2994		}
2995		let truth: [u8; 16] = sp_io::hashing::blake2_128(&input);
2996		let truth = FixedBytes::<16>::abi_encode(&truth);
2997		let truth = FixedBytes::<16>::abi_decode(&truth[..]).expect("decoding failed");
2998
2999		let raw_data = result.unwrap().data;
3000		let ret_hash = FixedBytes::<16>::abi_decode(&raw_data[..]).expect("decoding failed");
3001		assert_eq!(truth, ret_hash);
3002	}
3003
3004	// `n`: Message input length to verify in bytes.
3005	// need some buffer so the code size does not exceed the max code size.
3006	#[benchmark(pov_mode = Measured)]
3007	fn seal_sr25519_verify(n: Linear<0, { limits::code::BLOB_BYTES - 255 }>) {
3008		let message = (0..n).zip((32u8..127u8).cycle()).map(|(_, c)| c).collect::<Vec<_>>();
3009		let message_len = message.len() as u32;
3010
3011		let key_type = sp_core::crypto::KeyTypeId(*b"code");
3012		let pub_key = sp_io::crypto::sr25519_generate(key_type, None);
3013		let sig =
3014			sp_io::crypto::sr25519_sign(key_type, &pub_key, &message).expect("Generates signature");
3015		let sig = AsRef::<[u8; 64]>::as_ref(&sig).to_vec();
3016		let sig_len = sig.len() as u32;
3017
3018		build_runtime!(runtime, memory: [sig, pub_key.to_vec(), message, ]);
3019
3020		let result;
3021		#[block]
3022		{
3023			result = runtime.bench_sr25519_verify(
3024				memory.as_mut_slice(),
3025				0,                              // signature_ptr
3026				sig_len,                        // pub_key_ptr
3027				message_len,                    // message_len
3028				sig_len + pub_key.len() as u32, // message_ptr
3029			);
3030		}
3031
3032		assert_eq!(result.unwrap(), ReturnErrorCode::Success);
3033	}
3034
3035	#[benchmark(pov_mode = Measured)]
3036	fn ecdsa_recover() {
3037		use hex_literal::hex;
3038		let input = hex!("18c547e4f7b0f325ad1e56f57e26c745b09a3e503d86e00e5255ff7f715d3d1c000000000000000000000000000000000000000000000000000000000000001c73b1693892219d736caba55bdb67216e485557ea6b6af75f37096c9aa6a5a75feeb940b1d03b21e36b0e47e79769f095fe2ab855bd91e3a38756b7d75a9c4549").to_vec();
3039		let expected = hex!("000000000000000000000000a94f5374fce5edbc8e2a8697c15331677e6ebf0b");
3040		let mut call_setup = CallSetup::<T>::default();
3041		let (mut ext, _) = call_setup.ext();
3042
3043		let result;
3044
3045		#[block]
3046		{
3047			result =
3048				run_builtin_precompile(&mut ext, H160::from_low_u64_be(1).as_fixed_bytes(), input);
3049		}
3050
3051		assert_eq!(result.unwrap().data, expected);
3052	}
3053
3054	#[benchmark(pov_mode = Measured)]
3055	fn p256_verify() {
3056		use hex_literal::hex;
3057		let input = hex!("4cee90eb86eaa050036147a12d49004b6b9c72bd725d39d4785011fe190f0b4da73bd4903f0ce3b639bbbf6e8e80d16931ff4bcf5993d58468e8fb19086e8cac36dbcd03009df8c59286b162af3bd7fcc0450c9aa81be5d10d312af6c66b1d604aebd3099c618202fcfe16ae7770b0c49ab5eadf74b754204a3bb6060e44eff37618b065f9832de4ca6ca971a7a1adc826d0f7c00181a5fb2ddf79ae00b4e10e").to_vec();
3058		let expected = U256::one().to_big_endian();
3059		let mut call_setup = CallSetup::<T>::default();
3060		let (mut ext, _) = call_setup.ext();
3061
3062		let result;
3063
3064		#[block]
3065		{
3066			result = run_builtin_precompile(
3067				&mut ext,
3068				H160::from_low_u64_be(0x100).as_fixed_bytes(),
3069				input,
3070			);
3071		}
3072
3073		assert_eq!(result.unwrap().data, expected);
3074	}
3075
3076	#[benchmark(pov_mode = Measured)]
3077	fn bn128_add() {
3078		use hex_literal::hex;
3079		let input = hex!("089142debb13c461f61523586a60732d8b69c5b38a3380a74da7b2961d867dbf2d5fc7bbc013c16d7945f190b232eacc25da675c0eb093fe6b9f1b4b4e107b3625f8c89ea3437f44f8fc8b6bfbb6312074dc6f983809a5e809ff4e1d076dd5850b38c7ced6e4daef9c4347f370d6d8b58f4b1d8dc61a3c59d651a0644a2a27cf").to_vec();
3080		let expected = hex!(
3081			"0a6678fd675aa4d8f0d03a1feb921a27f38ebdcb860cc083653519655acd6d79172fd5b3b2bfdd44e43bcec3eace9347608f9f0a16f1e184cb3f52e6f259cbeb"
3082		);
3083		let mut call_setup = CallSetup::<T>::default();
3084		let (mut ext, _) = call_setup.ext();
3085
3086		let result;
3087		#[block]
3088		{
3089			result =
3090				run_builtin_precompile(&mut ext, H160::from_low_u64_be(6).as_fixed_bytes(), input);
3091		}
3092
3093		assert_eq!(result.unwrap().data, expected);
3094	}
3095
3096	#[benchmark(pov_mode = Measured)]
3097	fn bn128_mul() {
3098		use hex_literal::hex;
3099		let input = hex!("089142debb13c461f61523586a60732d8b69c5b38a3380a74da7b2961d867dbf2d5fc7bbc013c16d7945f190b232eacc25da675c0eb093fe6b9f1b4b4e107b36ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff").to_vec();
3100		let expected = hex!(
3101			"0bf982b98a2757878c051bfe7eee228b12bc69274b918f08d9fcb21e9184ddc10b17c77cbf3c19d5d27e18cbd4a8c336afb488d0e92c18d56e64dd4ea5c437e6"
3102		);
3103		let mut call_setup = CallSetup::<T>::default();
3104		let (mut ext, _) = call_setup.ext();
3105
3106		let result;
3107		#[block]
3108		{
3109			result =
3110				run_builtin_precompile(&mut ext, H160::from_low_u64_be(7).as_fixed_bytes(), input);
3111		}
3112
3113		assert_eq!(result.unwrap().data, expected);
3114	}
3115
3116	// `n`: pairings to perform
3117	#[benchmark(pov_mode = Measured)]
3118	fn bn128_pairing(n: Linear<0, { 20 }>) {
3119		fn generate_random_ecpairs(n: usize) -> Vec<u8> {
3120			use bn::{AffineG1, AffineG2, Fr, G1, G2, Group};
3121			use rand::SeedableRng;
3122			use rand_pcg::Pcg64;
3123			let mut rng = Pcg64::seed_from_u64(1);
3124
3125			let mut buffer = vec![0u8; n * 192];
3126
3127			let mut write = |element: &bn::Fq, offset: &mut usize| {
3128				element.to_big_endian(&mut buffer[*offset..*offset + 32]).unwrap();
3129				*offset += 32
3130			};
3131
3132			for i in 0..n {
3133				let mut offset = i * 192;
3134				let scalar = Fr::random(&mut rng);
3135
3136				let g1 = G1::one() * scalar;
3137				let g2 = G2::one() * scalar;
3138				let a = AffineG1::from_jacobian(g1).expect("G1 point should be on curve");
3139				let b = AffineG2::from_jacobian(g2).expect("G2 point should be on curve");
3140
3141				write(&a.x(), &mut offset);
3142				write(&a.y(), &mut offset);
3143				write(&b.x().imaginary(), &mut offset);
3144				write(&b.x().real(), &mut offset);
3145				write(&b.y().imaginary(), &mut offset);
3146				write(&b.y().real(), &mut offset);
3147			}
3148
3149			buffer
3150		}
3151
3152		let input = generate_random_ecpairs(n as usize);
3153		let mut call_setup = CallSetup::<T>::default();
3154		let (mut ext, _) = call_setup.ext();
3155
3156		let result;
3157		#[block]
3158		{
3159			result =
3160				run_builtin_precompile(&mut ext, H160::from_low_u64_be(8).as_fixed_bytes(), input);
3161		}
3162		assert_ok!(result);
3163	}
3164
3165	// `n`: number of rounds to perform
3166	#[benchmark(pov_mode = Measured)]
3167	fn blake2f(n: Linear<0, 1200>) {
3168		use hex_literal::hex;
3169		let input = hex!(
3170			"48c9bdf267e6096a3ba7ca8485ae67bb2bf894fe72f36e3cf1361d5f3af54fa5d182e6ad7f520e511f6c3e2b8c68059b6bbd41fbabd9831f79217e1319cde05b61626300000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000300000000000000000000000000000001"
3171		);
3172		let input = n.to_be_bytes().to_vec().into_iter().chain(input.to_vec()).collect::<Vec<_>>();
3173		let mut call_setup = CallSetup::<T>::default();
3174		let (mut ext, _) = call_setup.ext();
3175
3176		let result;
3177		#[block]
3178		{
3179			result =
3180				run_builtin_precompile(&mut ext, H160::from_low_u64_be(9).as_fixed_bytes(), input);
3181		}
3182		assert_ok!(result);
3183	}
3184
3185	// Only calling the function itself for the list of
3186	// generated different ECDSA keys.
3187	// This is a slow call: We reduce the number of runs.
3188	#[benchmark(pov_mode = Measured)]
3189	fn seal_ecdsa_to_eth_address() {
3190		let key_type = sp_core::crypto::KeyTypeId(*b"code");
3191		let pub_key_bytes = sp_io::crypto::ecdsa_generate(key_type, None).0;
3192		build_runtime!(runtime, memory: [[0u8; 20], pub_key_bytes,]);
3193
3194		let result;
3195		#[block]
3196		{
3197			result = runtime.bench_ecdsa_to_eth_address(
3198				memory.as_mut_slice(),
3199				20, // key_ptr
3200				0,  // output_ptr
3201			);
3202		}
3203
3204		assert_ok!(result);
3205		assert_eq!(&memory[..20], runtime.ext().ecdsa_to_eth_address(&pub_key_bytes).unwrap());
3206	}
3207
3208	/// Benchmark the cost of executing `r` noop (JUMPDEST) instructions.
3209	#[benchmark(pov_mode = Measured)]
3210	fn evm_opcode(r: Linear<0, 10_000>) -> Result<(), BenchmarkError> {
3211		let module = VmBinaryModule::evm_noop(r);
3212		let inputs = vec![];
3213
3214		let code = Bytecode::new_raw(revm::primitives::Bytes::from(module.code.clone()));
3215		let mut setup = CallSetup::<T>::new(module);
3216		let (mut ext, _) = setup.ext();
3217
3218		let result;
3219		#[block]
3220		{
3221			result = evm::call(code, &mut ext, inputs);
3222		}
3223
3224		assert!(result.is_ok());
3225		Ok(())
3226	}
3227
3228	// Benchmark the execution of instructions.
3229	//
3230	// It benchmarks the absolute worst case by allocating a lot of memory
3231	// and then accessing it so that each instruction generates two cache misses.
3232	#[benchmark(pov_mode = Ignored)]
3233	fn instr(r: Linear<0, 10_000>) {
3234		use rand::{SeedableRng, seq::SliceRandom};
3235		use rand_pcg::Pcg64;
3236
3237		// Ideally, this needs to be bigger than the cache.
3238		const MEMORY_SIZE: u64 = sp_core::MAX_POSSIBLE_ALLOCATION as u64;
3239
3240		// This is benchmarked for x86-64.
3241		const CACHE_LINE_SIZE: u64 = 64;
3242
3243		// An 8 byte load from this misalignment will reach into the subsequent line.
3244		const MISALIGNMENT: u64 = 60;
3245
3246		// We only need one address per cache line.
3247		// -1 because we skip the first address
3248		const NUM_ADDRESSES: u64 = (MEMORY_SIZE - MISALIGNMENT) / CACHE_LINE_SIZE - 1;
3249
3250		assert!(
3251			u64::from(r) <= NUM_ADDRESSES / 2,
3252			"If we do too many iterations we run into the risk of loading from warm cache lines",
3253		);
3254
3255		let mut setup = CallSetup::<T>::new(VmBinaryModule::instr(true));
3256		let (mut ext, module) = setup.ext();
3257		let mut prepared =
3258			CallSetup::<T>::prepare_call(&mut ext, module, Vec::new(), MEMORY_SIZE as u32);
3259
3260		assert!(
3261			u64::from(prepared.aux_data_base()) & (CACHE_LINE_SIZE - 1) == 0,
3262			"aux data base must be cache aligned"
3263		);
3264
3265		// Addresses data will be located inside the aux data.
3266		let misaligned_base = u64::from(prepared.aux_data_base()) + MISALIGNMENT;
3267
3268		// Create all possible addresses and shuffle them. This makes sure
3269		// the accesses are random but no address is accessed more than once.
3270		// we skip the first address since it is our entry point
3271		let mut addresses = Vec::with_capacity(NUM_ADDRESSES as usize);
3272		for i in 1..NUM_ADDRESSES {
3273			let addr = (misaligned_base + i * CACHE_LINE_SIZE).to_le_bytes();
3274			addresses.push(addr);
3275		}
3276		let mut rng = Pcg64::seed_from_u64(1337);
3277		addresses.shuffle(&mut rng);
3278
3279		// The addresses need to be padded to be one cache line apart.
3280		let mut memory = Vec::with_capacity((NUM_ADDRESSES * CACHE_LINE_SIZE) as usize);
3281		for address in addresses {
3282			memory.extend_from_slice(&address);
3283			memory.resize(memory.len() + CACHE_LINE_SIZE as usize - address.len(), 0);
3284		}
3285
3286		// Copies `memory` to `aux_data_base + MISALIGNMENT`.
3287		// Sets `a0 = MISALIGNMENT` and `a1 = r`.
3288		prepared
3289			.setup_aux_data(memory.as_slice(), MISALIGNMENT as u32, r.into())
3290			.unwrap();
3291
3292		#[block]
3293		{
3294			prepared.call().unwrap();
3295		}
3296	}
3297
3298	#[benchmark(pov_mode = Ignored)]
3299	fn instr_empty_loop(r: Linear<0, 10_000>) {
3300		let mut setup = CallSetup::<T>::new(VmBinaryModule::instr(false));
3301		let (mut ext, module) = setup.ext();
3302		let mut prepared = CallSetup::<T>::prepare_call(&mut ext, module, Vec::new(), 0);
3303		prepared.setup_aux_data(&[], 0, r.into()).unwrap();
3304
3305		#[block]
3306		{
3307			prepared.call().unwrap();
3308		}
3309	}
3310
3311	#[benchmark(pov_mode = Measured)]
3312	fn extcodecopy(n: Linear<1_000, { 100 * 1024 }>) -> Result<(), BenchmarkError> {
3313		// The caller contract; `CallSetup` whitelists its `AccountInfoOf`.
3314		let mut setup = CallSetup::<T>::new(VmBinaryModule::dummy());
3315		// Copy a contract other than the caller, so its `AccountInfoOf` read is counted.
3316		let target = Contract::<T>::with_index(1, VmBinaryModule::sized(n), vec![])?;
3317
3318		let (mut ext, _) = setup.ext();
3319		let mut interpreter = Interpreter::new(Default::default(), Default::default(), &mut ext);
3320
3321		// Setup stack for extcodecopy instruction: [address, dest_offset, offset, size]
3322		let _ = interpreter.stack.push(U256::from(n));
3323		let _ = interpreter.stack.push(U256::from(0u32));
3324		let _ = interpreter.stack.push(U256::from(0u32));
3325		let _ = interpreter.stack.push(target.address);
3326
3327		let result;
3328		#[block]
3329		{
3330			result = instructions::host::extcodecopy(&mut interpreter);
3331		}
3332
3333		assert!(result.is_continue());
3334		assert_eq!(
3335			*interpreter.memory.slice(0..n as usize),
3336			PristineCode::<T>::get(target.info()?.code_hash).unwrap()[0..n as usize],
3337			"Memory should contain the target contract's code after extcodecopy"
3338		);
3339
3340		Ok(())
3341	}
3342
3343	#[benchmark]
3344	fn v1_migration_step() {
3345		use crate::migrations::v1;
3346		let addr = H160::from([1u8; 20]);
3347		let contract_info = ContractInfo::new(&addr, 1u32.into(), Default::default()).unwrap();
3348
3349		v1::old::ContractInfoOf::<T>::insert(addr, contract_info.clone());
3350		let mut meter = WeightMeter::new();
3351		assert_eq!(AccountInfo::<T>::load_contract(&addr), None);
3352
3353		#[block]
3354		{
3355			v1::Migration::<T>::step(None, &mut meter).unwrap();
3356		}
3357
3358		assert_eq!(v1::old::ContractInfoOf::<T>::get(&addr), None);
3359		assert_eq!(AccountInfo::<T>::load_contract(&addr).unwrap(), contract_info);
3360
3361		// uses twice the weight once for migration and then for checking if there is another key.
3362		assert_eq!(meter.consumed(), <T as Config>::WeightInfo::v1_migration_step() * 2);
3363	}
3364
3365	#[benchmark]
3366	fn v2_migration_step() {
3367		use crate::migrations::v2;
3368		let code_hash = H256::from([0; 32]);
3369		let old_code_info = v2::Migration::<T>::create_old_code_info(
3370			whitelisted_caller(),
3371			1000u32.into(),
3372			1,
3373			100,
3374			0,
3375		);
3376		v2::Migration::<T>::insert_old_code_info(code_hash, old_code_info.clone());
3377		let mut meter = WeightMeter::new();
3378
3379		#[block]
3380		{
3381			v2::Migration::<T>::step(None, &mut meter).unwrap();
3382		}
3383
3384		v2::Migration::<T>::assert_migrated_code_info(code_hash, &old_code_info);
3385
3386		// uses twice the weight once for migration and then for checking if there is another key.
3387		assert_eq!(meter.consumed(), <T as Config>::WeightInfo::v2_migration_step() * 2);
3388	}
3389
3390	#[benchmark]
3391	fn v3_migration_step() {
3392		use crate::migrations::v3;
3393		// Remove all pre-existing accounts
3394		let _ = frame_system::Account::<T>::clear(u32::MAX, None);
3395
3396		let account = account::<T::AccountId>("target", 0, 0);
3397		T::Currency::mint_into(&account, Pallet::<T>::min_balance())
3398			.expect("should mint into account");
3399
3400		// clear the mapping so the migration has work to do
3401		let addr = T::AddressMapper::to_address(&account);
3402		crate::OriginalAccount::<T>::remove(addr);
3403
3404		assert!(!T::AddressMapper::is_mapped(&account));
3405		let mut meter = WeightMeter::new();
3406
3407		#[block]
3408		{
3409			v3::Migration::<T>::step(None, &mut meter).unwrap();
3410		}
3411
3412		assert!(T::AddressMapper::is_mapped(&account));
3413
3414		// uses twice the weight: once for migration and then for checking if there is another key.
3415		assert_eq!(meter.consumed(), <T as Config>::WeightInfo::v3_migration_step() * 2);
3416	}
3417
3418	/// One iteration of v4 phase 1: credit the uploader's [`NativeDepositOf`] bucket.
3419	///
3420	/// Seeds two codes and primes the cursor with the first stored entry so the benched
3421	/// iteration exercises the `iter_from` path that dominates phase 1 in production.
3422	#[benchmark]
3423	fn v4_code_upload_step() {
3424		use crate::migrations::v4;
3425
3426		let _ = CodeInfoOf::<T>::clear(u32::MAX, None);
3427
3428		let owner: T::AccountId = whitelisted_caller();
3429		let deposit: BalanceOf<T> = 1_000u32.into();
3430
3431		let pallet_account = Pallet::<T>::account_id();
3432		T::Currency::mint_into(&pallet_account, Pallet::<T>::min_balance()).unwrap();
3433		T::Currency::mint_into(&pallet_account, deposit).unwrap();
3434		T::Currency::hold(&HoldReason::CodeUploadDepositReserve.into(), &pallet_account, deposit)
3435			.unwrap();
3436
3437		CodeInfoOf::<T>::insert(
3438			H256::from([1u8; 32]),
3439			CodeInfo::<T>::new_with_deposit(owner.clone(), deposit),
3440		);
3441		CodeInfoOf::<T>::insert(
3442			H256::from([2u8; 32]),
3443			CodeInfo::<T>::new_with_deposit(owner.clone(), deposit),
3444		);
3445
3446		let first = match v4::Migration::<T>::step_once(None) {
3447			Some(v4::Cursor::CodeUpload(h)) => h,
3448			other => panic!("expected CodeUpload cursor, got {other:?}"),
3449		};
3450		let cursor = Some(v4::Cursor::CodeUpload(first));
3451
3452		#[block]
3453		{
3454			let _ = v4::Migration::<T>::step_once(cursor);
3455		}
3456
3457		assert_eq!(
3458			NativeDepositOf::<T>::get(&pallet_account, &owner),
3459			deposit + deposit,
3460			"both code uploads credited to owner",
3461		);
3462	}
3463
3464	/// One iteration of v4 phase 2: burn native hold, mint and hold PGAS for a single contract.
3465	///
3466	/// Seeds two contracts and primes the cursor with the first stored entry so the benched
3467	/// iteration exercises the `iter_from` path that dominates phase 2 in production.
3468	#[benchmark]
3469	fn v4_contract_step() {
3470		use crate::migrations::v4;
3471
3472		let _ = AccountInfoOf::<T>::clear(u32::MAX, None);
3473
3474		let code_hash = H256::from([0u8; 32]);
3475		let deposit: BalanceOf<T> = 1_000u32.into();
3476
3477		for byte in [0x41u8, 0x42u8] {
3478			let addr = H160::from([byte; 20]);
3479			let contract_account = T::AddressMapper::to_account_id(&addr);
3480			let info =
3481				ContractInfo::<T>::new(&addr, 1u32.into(), code_hash).expect("fresh contract info");
3482			AccountInfoOf::<T>::insert(
3483				addr,
3484				crate::storage::AccountInfo::<T> {
3485					account_type: crate::storage::AccountType::Contract(info),
3486					dust: 0,
3487				},
3488			);
3489			T::Currency::mint_into(&contract_account, Pallet::<T>::min_balance()).unwrap();
3490			T::Currency::mint_into(&contract_account, deposit).unwrap();
3491			T::Currency::hold(
3492				&HoldReason::StorageDepositReserve.into(),
3493				&contract_account,
3494				deposit,
3495			)
3496			.unwrap();
3497		}
3498
3499		let first = match v4::Migration::<T>::step_once(Some(v4::Cursor::Contract(None))) {
3500			Some(v4::Cursor::Contract(Some(addr))) => addr,
3501			other => panic!("expected Contract cursor, got {other:?}"),
3502		};
3503		let cursor = Some(v4::Cursor::Contract(Some(first)));
3504
3505		#[block]
3506		{
3507			let _ = v4::Migration::<T>::step_once(cursor);
3508		}
3509
3510		// `migrate_native_to_pgas` is a no-op for `Deposit = ()`, so the hold only clears on
3511		// PGAS-backed runtimes. On non-PGAS runtimes the benchmark still measures the iter cost.
3512		if T::Deposit::SUPPORTS_PGAS {
3513			for byte in [0x41u8, 0x42u8] {
3514				let addr = H160::from([byte; 20]);
3515				let contract_account = T::AddressMapper::to_account_id(&addr);
3516				assert_eq!(
3517					T::Currency::balance_on_hold(
3518						&HoldReason::StorageDepositReserve.into(),
3519						&contract_account,
3520					),
3521					0u32.into(),
3522					"native storage deposit burned for {addr:?}",
3523				);
3524			}
3525		}
3526	}
3527
3528	/// One iteration of v4 phase 3: rewrite a legacy [`v4::old::DeletionQueue`] entry into the
3529	/// new [`DeletionQueue`] format.
3530	///
3531	/// Seeds two legacy entries and primes the cursor with the first stored entry so the benched
3532	/// iteration exercises the `iter_from` path.
3533	#[benchmark]
3534	fn v4_deletion_queue_step() {
3535		use crate::migrations::v4;
3536
3537		let _ = v4::old::DeletionQueue::<T>::clear(u32::MAX, None);
3538
3539		let trie_a: TrieId = vec![0xAAu8; 16].try_into().unwrap();
3540		let trie_b: TrieId = vec![0xBBu8; 24].try_into().unwrap();
3541		v4::old::DeletionQueue::<T>::insert(0u32, trie_a);
3542		v4::old::DeletionQueue::<T>::insert(1u32, trie_b);
3543
3544		let first = match v4::Migration::<T>::step_once(Some(v4::Cursor::DeletionQueue(None))) {
3545			Some(v4::Cursor::DeletionQueue(Some(key))) => key,
3546			other => panic!("expected DeletionQueue cursor, got {other:?}"),
3547		};
3548		let cursor = Some(v4::Cursor::DeletionQueue(Some(first)));
3549
3550		#[block]
3551		{
3552			let _ = v4::Migration::<T>::step_once(cursor);
3553		}
3554
3555		assert!(
3556			DeletionQueue::<T>::get(0u32).is_some() && DeletionQueue::<T>::get(1u32).is_some(),
3557			"both legacy entries rewritten into the new format",
3558		);
3559	}
3560
3561	/// Helper function to create a test signer for finalize_block benchmark
3562	fn create_test_signer<T: Config>() -> (T::AccountId, SigningKey, H160) {
3563		use hex_literal::hex;
3564		// dev::alith()
3565		let signer_account_id = hex!("f24FF3a9CF04c71Dbc94D0b566f7A27B94566cac");
3566		let signer_priv_key =
3567			hex!("5fb92d6e98884f76de468fa3f6278f8807c48bebc13595d45af5bdc4da702133");
3568
3569		let signer_key = SigningKey::from_bytes(&signer_priv_key.into()).expect("valid key");
3570
3571		let signer_address = H160::from_slice(&signer_account_id);
3572		let signer_caller = T::AddressMapper::to_fallback_account_id(&signer_address);
3573
3574		(signer_caller, signer_key, signer_address)
3575	}
3576
3577	/// Helper function to create and sign a transaction for finalize_block benchmark
3578	fn create_signed_transaction<T: Config>(
3579		signer_key: &SigningKey,
3580		target_address: H160,
3581		value: U256,
3582		input_data: Vec<u8>,
3583	) -> Vec<u8> {
3584		let unsigned_tx: TransactionUnsigned = TransactionLegacyUnsigned {
3585			to: Some(target_address),
3586			value,
3587			chain_id: Some(T::ChainId::get().into()),
3588			input: input_data.into(),
3589			..Default::default()
3590		}
3591		.into();
3592
3593		let hashed_payload = sp_io::hashing::keccak_256(&unsigned_tx.unsigned_payload());
3594		let (signature, recovery_id) =
3595			signer_key.sign_prehash_recoverable(&hashed_payload).expect("signing success");
3596
3597		let mut sig_bytes = [0u8; 65];
3598		sig_bytes[..64].copy_from_slice(&signature.to_bytes());
3599		sig_bytes[64] = recovery_id.to_byte();
3600
3601		let signed_tx = unsigned_tx.with_signature(sig_bytes);
3602
3603		signed_tx.signed_payload()
3604	}
3605
3606	/// Helper function to generate common finalize_block benchmark setup
3607	fn setup_finalize_block_benchmark<T>()
3608	-> Result<(Contract<T>, BalanceOf<T>, U256, SigningKey, BlockNumberFor<T>), BenchmarkError>
3609	where
3610		BalanceOf<T>: Into<U256> + TryFrom<U256>,
3611		T: Config,
3612		MomentOf<T>: Into<U256>,
3613		<T as frame_system::Config>::Hash: frame_support::traits::IsType<H256>,
3614	{
3615		// Setup test signer
3616		let (signer_caller, signer_key, _signer_address) = create_test_signer::<T>();
3617		whitelist_account!(signer_caller);
3618
3619		// Setup contract instance
3620		let instance =
3621			Contract::<T>::with_caller(signer_caller.clone(), VmBinaryModule::dummy(), vec![])?;
3622		let storage_deposit = default_deposit_limit::<T>();
3623		let value = Pallet::<T>::min_balance();
3624		let evm_value =
3625			Pallet::<T>::convert_native_to_evm(BalanceWithDust::new_unchecked::<T>(value, 0));
3626
3627		// Setup block
3628		let current_block = BlockNumberFor::<T>::from(1u32);
3629		frame_system::Pallet::<T>::set_block_number(current_block);
3630
3631		Ok((instance, storage_deposit, evm_value, signer_key, current_block))
3632	}
3633
3634	/// Benchmark the `on_finalize` hook scaling with number of transactions.
3635	///
3636	/// This benchmark measures the marginal computational cost of adding transactions
3637	/// to a block during finalization, with fixed payload size to isolate transaction
3638	/// count scaling effects.
3639	///
3640	/// ## Parameters:
3641	/// - `n`: Number of transactions in the block (0-200)
3642	///
3643	/// ## Test Setup:
3644	/// - Creates `n` transactions with fixed 100-byte payloads
3645	/// - Pre-populates block builder storage with test data
3646	///
3647	/// ## Usage:
3648	/// Use this with `on_finalize_per_byte` to calculate total cost:
3649	/// `total_cost = base + (n × per_tx_cost) + (total_bytes × per_byte_cost)`
3650	#[benchmark(pov_mode = Measured)]
3651	fn on_finalize_per_transaction(n: Linear<0, 200>) -> Result<(), BenchmarkError> {
3652		let (instance, _storage_deposit, evm_value, signer_key, current_block) =
3653			setup_finalize_block_benchmark::<T>()?;
3654
3655		// Fixed payload size to isolate transaction count effects
3656		let fixed_payload_size = 100usize;
3657
3658		// Pre-populate InflightTransactions with n transactions of fixed size
3659		if n > 0 {
3660			// Initialize block
3661			let _ = Pallet::<T>::on_initialize(current_block);
3662
3663			// Create input data of fixed size for consistent transaction payloads
3664			let input_data = vec![0x42u8; fixed_payload_size];
3665			let receipt_gas_info = ReceiptGasInfo {
3666				gas_used: U256::from(1_000_000),
3667				effective_gas_price: Pallet::<T>::evm_base_fee(),
3668			};
3669
3670			for _ in 0..n {
3671				// Create real signed transaction with fixed-size input data
3672				let signed_transaction = create_signed_transaction::<T>(
3673					&signer_key,
3674					instance.address,
3675					evm_value,
3676					input_data.clone(),
3677				);
3678
3679				// Store transaction
3680				let _ = block_storage::bench_with_ethereum_context(|| {
3681					let (encoded_logs, bloom) =
3682						block_storage::get_receipt_details().unwrap_or_default();
3683
3684					let block_builder_ir = EthBlockBuilderIR::<T>::get();
3685					let mut block_builder = EthereumBlockBuilder::<T>::from_ir(block_builder_ir);
3686
3687					block_builder.process_transaction(
3688						signed_transaction,
3689						true,
3690						receipt_gas_info.clone(),
3691						encoded_logs,
3692						bloom,
3693					);
3694
3695					EthBlockBuilderIR::<T>::put(block_builder.to_ir());
3696				});
3697			}
3698		}
3699
3700		#[block]
3701		{
3702			// Measure only the finalization cost with n transactions of fixed size
3703			let _ = Pallet::<T>::on_finalize(current_block);
3704		}
3705
3706		// Verify transaction count
3707		assert_eq!(Pallet::<T>::eth_block().transactions.len(), n as usize);
3708
3709		Ok(())
3710	}
3711
3712	/// Benchmark the `on_finalize` hook scaling with transaction payload size.
3713	///
3714	/// This benchmark measures the marginal computational cost of processing
3715	/// larger transaction payloads during finalization, with fixed transaction count
3716	/// to isolate payload size scaling effects.
3717	///
3718	/// ## Parameters:
3719	/// - `d`: Payload size per transaction in bytes (0-1000)
3720	///
3721	/// ## Test Setup:
3722	/// - Creates 10 transactions with payload size `d`
3723	/// - Pre-populates block builder storage with test data
3724	///
3725	/// ## Usage:
3726	/// Use this with `on_finalize_per_transaction` to calculate total cost:
3727	/// `total_cost = base + (n × per_tx_cost) + (total_bytes × per_byte_cost)`
3728	#[benchmark(pov_mode = Measured)]
3729	fn on_finalize_per_transaction_data(d: Linear<0, 1000>) -> Result<(), BenchmarkError> {
3730		let (instance, _storage_deposit, evm_value, signer_key, current_block) =
3731			setup_finalize_block_benchmark::<T>()?;
3732
3733		// Fixed transaction count to isolate payload size effects
3734		let fixed_tx_count = 10u32;
3735
3736		// Initialize block
3737		let _ = Pallet::<T>::on_initialize(current_block);
3738
3739		// Create input data of variable size p for realistic transaction payloads
3740		let input_data = vec![0x42u8; d as usize];
3741		let receipt_gas_info = ReceiptGasInfo {
3742			gas_used: U256::from(1_000_000),
3743			effective_gas_price: Pallet::<T>::evm_base_fee(),
3744		};
3745
3746		for _ in 0..fixed_tx_count {
3747			// Create real signed transaction with variable-size input data
3748			let signed_transaction = create_signed_transaction::<T>(
3749				&signer_key,
3750				instance.address,
3751				evm_value,
3752				input_data.clone(),
3753			);
3754
3755			// Store transaction
3756			let _ = block_storage::bench_with_ethereum_context(|| {
3757				let (encoded_logs, bloom) =
3758					block_storage::get_receipt_details().unwrap_or_default();
3759
3760				let block_builder_ir = EthBlockBuilderIR::<T>::get();
3761				let mut block_builder = EthereumBlockBuilder::<T>::from_ir(block_builder_ir);
3762
3763				block_builder.process_transaction(
3764					signed_transaction,
3765					true,
3766					receipt_gas_info.clone(),
3767					encoded_logs,
3768					bloom,
3769				);
3770
3771				EthBlockBuilderIR::<T>::put(block_builder.to_ir());
3772			});
3773		}
3774
3775		#[block]
3776		{
3777			// Measure only the finalization cost with fixed count, variable payload size
3778			let _ = Pallet::<T>::on_finalize(current_block);
3779		}
3780
3781		// Verify transaction count
3782		assert_eq!(Pallet::<T>::eth_block().transactions.len(), fixed_tx_count as usize);
3783
3784		Ok(())
3785	}
3786
3787	/// Benchmark the `on_finalize` per-event costs.
3788	///
3789	/// This benchmark measures the computational cost of processing events
3790	/// within the finalization process, isolating the overhead of event count.
3791	/// Uses a single transaction with varying numbers of minimal events.
3792	///
3793	/// ## Parameters:
3794	/// - `e`: Number of events per transaction
3795	///
3796	/// ## Test Setup:
3797	/// - Creates 1 transaction with `e` ContractEmitted events
3798	/// - Each event contains minimal data (no topics, empty data field)
3799	///
3800	/// ## Usage:
3801	/// Measures the per-event processing overhead during finalization
3802	/// - Fixed cost: `on_finalize_per_event(0)` - baseline finalization cost
3803	/// - Per event: `on_finalize_per_event(e)` - linear scaling with event count
3804	#[benchmark(pov_mode = Measured)]
3805	fn on_finalize_per_event(e: Linear<0, 100>) -> Result<(), BenchmarkError> {
3806		let (instance, _storage_deposit, evm_value, signer_key, current_block) =
3807			setup_finalize_block_benchmark::<T>()?;
3808
3809		// Create a single transaction with e events, each with minimal data
3810		let input_data = vec![0x42u8; 100];
3811		let signed_transaction = create_signed_transaction::<T>(
3812			&signer_key,
3813			instance.address,
3814			evm_value,
3815			input_data.clone(),
3816		);
3817
3818		let receipt_gas_info = ReceiptGasInfo {
3819			gas_used: U256::from(1_000_000),
3820			effective_gas_price: Pallet::<T>::evm_base_fee(),
3821		};
3822
3823		// Store transaction
3824		let _ = block_storage::bench_with_ethereum_context(|| {
3825			let (encoded_logs, bloom) = block_storage::get_receipt_details().unwrap_or_default();
3826
3827			let block_builder_ir = EthBlockBuilderIR::<T>::get();
3828			let mut block_builder = EthereumBlockBuilder::<T>::from_ir(block_builder_ir);
3829
3830			block_builder.process_transaction(
3831				signed_transaction,
3832				true,
3833				receipt_gas_info.clone(),
3834				encoded_logs,
3835				bloom,
3836			);
3837
3838			EthBlockBuilderIR::<T>::put(block_builder.to_ir());
3839		});
3840
3841		// Create e events with minimal data to isolate event count overhead
3842		for _ in 0..e {
3843			block_storage::capture_ethereum_log(&instance.address, &vec![], &vec![]);
3844		}
3845
3846		#[block]
3847		{
3848			// Initialize block
3849			let _ = Pallet::<T>::on_initialize(current_block);
3850
3851			// Measure the finalization cost with e events
3852			let _ = Pallet::<T>::on_finalize(current_block);
3853		}
3854
3855		// Verify transaction count
3856		assert_eq!(Pallet::<T>::eth_block().transactions.len(), 1);
3857
3858		Ok(())
3859	}
3860
3861	/// ## Test Setup:
3862	/// - Creates 1 transaction with 1 ContractEmitted event
3863	/// - Event contains `d` total bytes of data across data field and topics
3864	///
3865	/// ## Usage:
3866	/// Measures the per-byte event data processing overhead during finalization
3867	/// - Fixed cost: `on_finalize_per_event_data(0)` - baseline cost with empty event
3868	/// - Per byte: `on_finalize_per_event_data(d)` - linear scaling with data size
3869	#[benchmark(pov_mode = Measured)]
3870	fn on_finalize_per_event_data(d: Linear<0, 16384>) -> Result<(), BenchmarkError> {
3871		let (instance, _storage_deposit, evm_value, signer_key, current_block) =
3872			setup_finalize_block_benchmark::<T>()?;
3873
3874		// Create a single transaction with one event containing d bytes of data
3875		let input_data = vec![0x42u8; 100];
3876		let signed_transaction = create_signed_transaction::<T>(
3877			&signer_key,
3878			instance.address,
3879			evm_value,
3880			input_data.clone(),
3881		);
3882
3883		let receipt_gas_info = ReceiptGasInfo {
3884			gas_used: U256::from(1_000_000),
3885			effective_gas_price: Pallet::<T>::evm_base_fee(),
3886		};
3887
3888		// Store transaction
3889		let _ = block_storage::bench_with_ethereum_context(|| {
3890			let (encoded_logs, bloom) = block_storage::get_receipt_details().unwrap_or_default();
3891
3892			let block_builder_ir = EthBlockBuilderIR::<T>::get();
3893			let mut block_builder = EthereumBlockBuilder::<T>::from_ir(block_builder_ir);
3894
3895			block_builder.process_transaction(
3896				signed_transaction,
3897				true,
3898				receipt_gas_info,
3899				encoded_logs,
3900				bloom,
3901			);
3902
3903			EthBlockBuilderIR::<T>::put(block_builder.to_ir());
3904		});
3905
3906		// Create one event with d bytes of data distributed across topics and data field
3907		let (event_data, topics) = if d < 32 {
3908			// If total data is less than 32 bytes, put all in data field
3909			(vec![0x42u8; d as usize], vec![])
3910		} else {
3911			// Fill topics first, then put remaining bytes in data field
3912			let num_topics = core::cmp::min(limits::NUM_EVENT_TOPICS, d / 32);
3913			let topic_bytes_used = num_topics * 32;
3914			let data_bytes_remaining = d - topic_bytes_used;
3915
3916			// Create topics filled with sequential data
3917			let mut topics = Vec::new();
3918			for topic_index in 0..num_topics {
3919				let topic_data = [topic_index as u8; 32];
3920				topics.push(H256::from(topic_data));
3921			}
3922
3923			// Remaining bytes go to data field
3924			let event_data = vec![0x42u8; data_bytes_remaining as usize];
3925
3926			(event_data, topics)
3927		};
3928
3929		block_storage::capture_ethereum_log(&instance.address, &event_data, &topics);
3930
3931		#[block]
3932		{
3933			// Initialize block
3934			let _ = Pallet::<T>::on_initialize(current_block);
3935
3936			// Measure the finalization cost with d bytes of event data
3937			let _ = Pallet::<T>::on_finalize(current_block);
3938		}
3939
3940		// Verify transaction count
3941		assert_eq!(Pallet::<T>::eth_block().transactions.len(), 1);
3942
3943		Ok(())
3944	}
3945
3946	impl_benchmark_test_suite!(
3947		Contracts,
3948		crate::tests::ExtBuilder::default().build(),
3949		crate::tests::Test,
3950	);
3951}