Switch from pwasm-utils to wasm-instrument (#10680)

* Switch executor to wasm-instrument

* Switch pallet-contracts to wasm-instrument

substrate/frame/contracts/Cargo.toml

@@ -20,7 +20,7 @@ codec = { package = "parity-scale-codec", version = "2.2.0", default-features =
 ] }
 scale-info = { version = "1.0", default-features = false, features = ["derive"] }
 log = { version = "0.4", default-features = false }
-pwasm-utils = { version = "0.18.2", default-features = false }
+wasm-instrument = { version = "0.1", default-features = false }
 serde = { version = "1", optional = true, features = ["derive"] }
 smallvec = { version = "1", default-features = false, features = [
 	"const_generics",
@@ -71,7 +71,7 @@ std = [
 	"frame-benchmarking/std",
 	"frame-support/std",
 	"frame-system/std",
-	"pwasm-utils/std",
+	"wasm-instrument/std",
 	"wasmi-validation/std",
 	"pallet-contracts-primitives/std",
 	"pallet-contracts-proc-macro/full",

substrate/frame/contracts/src/benchmarking/code.rs

@@ -26,13 +26,6 @@
 
 use crate::Config;
 use frame_support::traits::Get;
-use pwasm_utils::parity_wasm::{
-	builder,
-	elements::{
-		self, BlockType, CustomSection, External, FuncBody, Instruction, Instructions, Module,
-		Section, ValueType,
-	},
-};
 use sp_core::crypto::UncheckedFrom;
 use sp_runtime::traits::Hash;
 use sp_sandbox::{
@@ -40,6 +33,13 @@ use sp_sandbox::{
 	SandboxEnvironmentBuilder, SandboxMemory,
 };
 use sp_std::{borrow::ToOwned, prelude::*};
+use wasm_instrument::parity_wasm::{
+	builder,
+	elements::{
+		self, BlockType, CustomSection, External, FuncBody, Instruction, Instructions, Module,
+		Section, ValueType,
+	},
+};
 
 /// The location where to put the genrated code.
 pub enum Location {
@@ -562,10 +562,10 @@ where
 fn inject_gas_metering<T: Config>(module: Module) -> Module {
 	let schedule = T::Schedule::get();
 	let gas_rules = schedule.rules(&module);
-	pwasm_utils::inject_gas_counter(module, &gas_rules, "seal0").unwrap()
+	wasm_instrument::gas_metering::inject(module, &gas_rules, "seal0").unwrap()
 }
 
 fn inject_stack_metering<T: Config>(module: Module) -> Module {
 	let height = T::Schedule::get().limits.stack_height;
-	pwasm_utils::stack_height::inject_limiter(module, height).unwrap()
+	wasm_instrument::inject_stack_limiter(module, height).unwrap()
 }

substrate/frame/contracts/src/benchmarking/mod.rs

@@ -39,12 +39,12 @@ use codec::Encode;
 use frame_benchmarking::{account, benchmarks, whitelisted_caller};
 use frame_support::weights::Weight;
 use frame_system::RawOrigin;
-use pwasm_utils::parity_wasm::elements::{BlockType, BrTableData, Instruction, ValueType};
 use sp_runtime::{
 	traits::{Bounded, Hash},
 	Perbill,
 };
 use sp_std::prelude::*;
+use wasm_instrument::parity_wasm::elements::{BlockType, BrTableData, Instruction, ValueType};
 
 /// How many batches we do per API benchmark.
 const API_BENCHMARK_BATCHES: u32 = 20;

substrate/frame/contracts/src/schedule.rs

@@ -23,12 +23,12 @@ use crate::{weights::WeightInfo, Config};
 use codec::{Decode, Encode};
 use frame_support::{weights::Weight, DefaultNoBound};
 use pallet_contracts_proc_macro::{ScheduleDebug, WeightDebug};
-use pwasm_utils::{parity_wasm::elements, rules};
 use scale_info::TypeInfo;
 #[cfg(feature = "std")]
 use serde::{Deserialize, Serialize};
 use sp_runtime::RuntimeDebug;
 use sp_std::{marker::PhantomData, vec::Vec};
+use wasm_instrument::{gas_metering, parity_wasm::elements};
 
 /// How many API calls are executed in a single batch. The reason for increasing the amount
 /// of API calls in batches (per benchmark component increase) is so that the linear regression
@@ -652,7 +652,7 @@ struct ScheduleRules<'a, T: Config> {
 }
 
 impl<T: Config> Schedule<T> {
-	pub(crate) fn rules(&self, module: &elements::Module) -> impl rules::Rules + '_ {
+	pub(crate) fn rules(&self, module: &elements::Module) -> impl gas_metering::Rules + '_ {
 		ScheduleRules {
 			schedule: &self,
 			params: module
@@ -668,7 +668,7 @@ impl<T: Config> Schedule<T> {
 	}
 }
 
-impl<'a, T: Config> rules::Rules for ScheduleRules<'a, T> {
+impl<'a, T: Config> gas_metering::Rules for ScheduleRules<'a, T> {
 	fn instruction_cost(&self, instruction: &elements::Instruction) -> Option<u32> {
 		use self::elements::Instruction::*;
 		let w = &self.schedule.instruction_weights;
@@ -752,10 +752,10 @@ impl<'a, T: Config> rules::Rules for ScheduleRules<'a, T> {
 		Some(weight)
 	}
 
-	fn memory_grow_cost(&self) -> Option<rules::MemoryGrowCost> {
+	fn memory_grow_cost(&self) -> gas_metering::MemoryGrowCost {
 		// We benchmarked the memory.grow instruction with the maximum allowed pages.
 		// The cost for growing is therefore already included in the instruction cost.
-		None
+		gas_metering::MemoryGrowCost::Free
 	}
 }
 

substrate/frame/contracts/src/wasm/env_def/macros.rs

@@ -28,7 +28,7 @@ macro_rules! convert_args {
 macro_rules! gen_signature {
 	( ( $( $params: ty ),* ) ) => (
 		{
-			pwasm_utils::parity_wasm::elements::FunctionType::new(
+			wasm_instrument::parity_wasm::elements::FunctionType::new(
 				convert_args!($($params),*), vec![],
 			)
 		}
@@ -36,7 +36,7 @@ macro_rules! gen_signature {
 
 	( ( $( $params: ty ),* ) -> $returns: ty ) => (
 		{
-			pwasm_utils::parity_wasm::elements::FunctionType::new(
+			wasm_instrument::parity_wasm::elements::FunctionType::new(
 				convert_args!($($params),*),
 				vec![{use $crate::wasm::env_def::ConvertibleToWasm; <$returns>::VALUE_TYPE}],
 			)
@@ -220,7 +220,7 @@ macro_rules! define_env {
 			fn can_satisfy(
 				module: &[u8],
 				name: &[u8],
-				func_type: &pwasm_utils::parity_wasm::elements::FunctionType,
+				func_type: &wasm_instrument::parity_wasm::elements::FunctionType,
 			) -> bool
 			{
 				#[cfg(not(feature = "unstable-interface"))]
@@ -260,9 +260,9 @@ mod tests {
 		wasm::{runtime::TrapReason, tests::MockExt, Runtime},
 		Weight,
 	};
-	use pwasm_utils::parity_wasm::elements::{FunctionType, ValueType};
 	use sp_runtime::traits::Zero;
 	use sp_sandbox::{ReturnValue, Value};
+	use wasm_instrument::parity_wasm::elements::{FunctionType, ValueType};
 
 	struct TestRuntime {
 		value: u32,

substrate/frame/contracts/src/wasm/env_def/mod.rs

@@ -18,8 +18,8 @@
 use super::Runtime;
 use crate::exec::Ext;
 
-use pwasm_utils::parity_wasm::elements::{FunctionType, ValueType};
 use sp_sandbox::Value;
+use wasm_instrument::parity_wasm::elements::{FunctionType, ValueType};
 
 #[macro_use]
 pub mod macros;

substrate/frame/contracts/src/wasm/prepare.rs

@@ -26,9 +26,11 @@ use crate::{
 	AccountIdOf, Config, Schedule,
 };
 use codec::{Encode, MaxEncodedLen};
-use pwasm_utils::parity_wasm::elements::{self, External, Internal, MemoryType, Type, ValueType};
 use sp_runtime::traits::Hash;
 use sp_std::prelude::*;
+use wasm_instrument::parity_wasm::elements::{
+	self, External, Internal, MemoryType, Type, ValueType,
+};
 
 /// Imported memory must be located inside this module. The reason for hardcoding is that current
 /// compiler toolchains might not support specifying other modules than "env" for memory imports.
@@ -182,17 +184,16 @@ impl<'a, T: Config> ContractModule<'a, T> {
 
 	fn inject_gas_metering(self) -> Result<Self, &'static str> {
 		let gas_rules = self.schedule.rules(&self.module);
-		let contract_module = pwasm_utils::inject_gas_counter(self.module, &gas_rules, "seal0")
-			.map_err(|_| "gas instrumentation failed")?;
+		let contract_module =
+			wasm_instrument::gas_metering::inject(self.module, &gas_rules, "seal0")
+				.map_err(|_| "gas instrumentation failed")?;
 		Ok(ContractModule { module: contract_module, schedule: self.schedule })
 	}
 
 	fn inject_stack_height_metering(self) -> Result<Self, &'static str> {
-		let contract_module = pwasm_utils::stack_height::inject_limiter(
-			self.module,
-			self.schedule.limits.stack_height,
-		)
-		.map_err(|_| "stack height instrumentation failed")?;
+		let contract_module =
+			wasm_instrument::inject_stack_limiter(self.module, self.schedule.limits.stack_height)
+				.map_err(|_| "stack height instrumentation failed")?;
 		Ok(ContractModule { module: contract_module, schedule: self.schedule })
 	}
 

substrate/frame/contracts/src/wasm/runtime.rs

@@ -29,12 +29,12 @@ use bitflags::bitflags;
 use codec::{Decode, DecodeAll, Encode, MaxEncodedLen};
 use frame_support::{dispatch::DispatchError, ensure, weights::Weight};
 use pallet_contracts_primitives::{ExecReturnValue, ReturnFlags};
-use pwasm_utils::parity_wasm::elements::ValueType;
 use sp_core::{crypto::UncheckedFrom, Bytes};
 use sp_io::hashing::{blake2_128, blake2_256, keccak_256, sha2_256};
 use sp_runtime::traits::{Bounded, Zero};
 use sp_sandbox::SandboxMemory;
 use sp_std::prelude::*;
+use wasm_instrument::parity_wasm::elements::ValueType;
 
 /// Every error that can be returned to a contract when it calls any of the host functions.
 ///