chore: remove sp-std usage

frame/dynamic-fee/Cargo.toml

@@ -18,7 +18,6 @@ frame-support = { workspace = true }
 frame-system = { workspace = true }
 sp-core = { workspace = true }
 sp-inherents = { workspace = true }
-sp-std = { workspace = true }
 # Frontier
 fp-dynamic-fee = { workspace = true }
 fp-evm = { workspace = true }
@@ -37,7 +36,6 @@ std = [
 	# Substrate
 	"sp-core/std",
 	"sp-inherents/std",
-	"sp-std/std",
 	# Substrate
 	"frame-system/std",
 	"frame-support/std",

frame/dynamic-fee/src/lib.rs

@@ -22,10 +22,10 @@
 #[cfg(test)]
 mod tests;
 
+use core::cmp::{max, min};
 use frame_support::{inherent::IsFatalError, traits::Get, weights::Weight};
 use sp_core::U256;
 use sp_inherents::{InherentData, InherentIdentifier};
-use sp_std::cmp::{max, min};
 
 pub use self::pallet::*;
 #[cfg(feature = "std")]

frame/ethereum/Cargo.toml

@@ -21,7 +21,6 @@ frame-support = { workspace = true }
 frame-system = { workspace = true }
 sp-io = { workspace = true }
 sp-runtime = { workspace = true }
-sp-std = { workspace = true }
 # Frontier
 fp-consensus = { workspace = true }
 fp-ethereum = { workspace = true }
@@ -55,7 +54,6 @@ std = [
 	"frame-system/std",
 	"sp-io/std",
 	"sp-runtime/std",
-	"sp-std/std",
 	# Frontier
 	"fp-consensus/std",
 	"fp-ethereum/std",

frame/ethereum/src/lib.rs

@@ -25,11 +25,15 @@
 #![allow(clippy::comparison_chain, clippy::large_enum_variant)]
 #![warn(unused_crate_dependencies)]
 
+extern crate alloc;
+
 #[cfg(all(feature = "std", test))]
 mod mock;
 #[cfg(all(feature = "std", test))]
 mod tests;
 
+use alloc::{vec, vec::Vec};
+use core::marker::PhantomData;
 pub use ethereum::{
 	AccessListItem, BlockV2 as Block, LegacyTransactionMessage, Log, ReceiptV3 as Receipt,
 	TransactionAction, TransactionV2 as Transaction,
@@ -55,7 +59,6 @@ use sp_runtime::{
 	},
 	RuntimeDebug, SaturatedConversion,
 };
-use sp_std::{marker::PhantomData, prelude::*};
 // Frontier
 use fp_consensus::{PostLog, PreLog, FRONTIER_ENGINE_ID};
 pub use fp_ethereum::TransactionData;
@@ -689,7 +692,7 @@ impl<T: Config> Pallet<T> {
 			PostDispatchInfo {
 				actual_weight: {
 					let mut gas_to_weight = T::GasWeightMapping::gas_to_weight(
-						sp_std::cmp::max(
+						core::cmp::max(
 							used_gas.standard.unique_saturated_into(),
 							used_gas.effective.unique_saturated_into(),
 						),

frame/evm/Cargo.toml

@@ -29,7 +29,6 @@ frame-system = { workspace = true }
 sp-core = { workspace = true }
 sp-io = { workspace = true }
 sp-runtime = { workspace = true }
-sp-std = { workspace = true }
 # Frontier
 fp-account = { workspace = true }
 fp-evm = { workspace = true, features = ["serde"] }
@@ -59,7 +58,6 @@ std = [
 	"sp-core/std",
 	"sp-io/std",
 	"sp-runtime/std",
-	"sp-std/std",
 	# Frontier
 	"fp-account/std",
 	"fp-evm/std",

frame/evm/precompile/dispatch/Cargo.toml

@@ -26,7 +26,6 @@ pallet-utility = { workspace = true, features = ["default"] }
 sp-core = { workspace = true, features = ["default"] }
 sp-io = { workspace = true, features = ["default"] }
 sp-runtime = { workspace = true, features = ["default"] }
-sp-std = { workspace = true, features = ["default"] }
 
 [features]
 default = ["std"]

frame/evm/precompile/dispatch/src/mock.rs

@@ -17,6 +17,8 @@
 
 //! Test mock for unit tests and benchmarking
 
+use alloc::boxed::Box;
+use core::str::FromStr;
 use frame_support::{
 	derive_impl, parameter_types,
 	traits::{ConstU32, FindAuthor},
@@ -25,7 +27,6 @@ use frame_support::{
 };
 use sp_core::{H160, H256, U256};
 use sp_runtime::traits::{BlakeTwo256, IdentityLookup};
-use sp_std::{boxed::Box, prelude::*, str::FromStr};
 
 use fp_evm::{ExitError, ExitReason, Transfer};
 use pallet_evm::{

frame/evm/precompile/storage-cleaner/Cargo.toml

@@ -14,7 +14,6 @@ frame-support = { workspace = true }
 frame-system = { workspace = true }
 sp-core = { workspace = true }
 sp-runtime = { workspace = true }
-sp-std = { workspace = true }
 # Frontier
 fp-evm = { workspace = true }
 pallet-evm = { workspace = true }
@@ -31,7 +30,6 @@ rlp = { workspace = true }
 sp-core = { workspace = true, features = ["default"] }
 sp-io = { workspace = true, features = ["default"] }
 sp-runtime = { workspace = true, features = ["default"] }
-sp-std = { workspace = true, features = ["default"] }
 
 # Frontier
 precompile-utils = { workspace = true, features = ["std", "testing"] }
@@ -45,7 +43,6 @@ std = [
 	"frame-system/std",
 	"sp-runtime/std",
 	"sp-core/std",
-	"sp-std/std",
 	# Frontier
 	"fp-evm/std",
 	"pallet-evm/std",

frame/evm/precompile/storage-cleaner/src/lib.rs

@@ -21,13 +21,13 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 extern crate alloc;
 
+use alloc::vec::Vec;
 use core::marker::PhantomData;
 use fp_evm::{PrecompileFailure, ACCOUNT_BASIC_PROOF_SIZE, ACCOUNT_STORAGE_PROOF_SIZE};
 use pallet_evm::AddressMapping;
 use precompile_utils::{prelude::*, EvmResult};
 use sp_core::H160;
 use sp_runtime::traits::ConstU32;
-use sp_std::vec::Vec;
 
 #[cfg(test)]
 mod mock;

frame/evm/src/benchmarking.rs

@@ -35,7 +35,7 @@ benchmarks! {
 
 		use rlp::RlpStream;
 		use sp_core::{H160, U256};
-		use sp_std::vec;
+		use alloc::vec;
 
 		// contract bytecode below is for:
 		//

frame/evm/src/lib.rs

@@ -55,6 +55,8 @@
 #![warn(unused_crate_dependencies)]
 #![allow(clippy::too_many_arguments)]
 
+extern crate alloc;
+
 #[cfg(feature = "runtime-benchmarks")]
 pub mod benchmarking;
 
@@ -65,6 +67,8 @@ pub mod runner;
 mod tests;
 pub mod weights;
 
+use alloc::{collections::btree_map::BTreeMap, vec::Vec};
+use core::cmp::min;
 pub use evm::{
 	Config as EvmConfig, Context, ExitError, ExitFatal, ExitReason, ExitRevert, ExitSucceed,
 };
@@ -94,7 +98,6 @@ use sp_runtime::{
 	traits::{BadOrigin, NumberFor, Saturating, UniqueSaturatedInto, Zero},
 	AccountId32, DispatchErrorWithPostInfo,
 };
-use sp_std::{cmp::min, collections::btree_map::BTreeMap, vec::Vec};
 // Frontier
 use fp_account::AccountId20;
 use fp_evm::GenesisAccount;
@@ -651,7 +654,7 @@ where
 }
 
 /// Ensure that the origin is root.
-pub struct EnsureAddressRoot<AccountId>(sp_std::marker::PhantomData<AccountId>);
+pub struct EnsureAddressRoot<AccountId>(core::marker::PhantomData<AccountId>);
 
 impl<OuterOrigin, AccountId> EnsureAddressOrigin<OuterOrigin> for EnsureAddressRoot<AccountId>
 where
@@ -668,7 +671,7 @@ where
 }
 
 /// Ensure that the origin never happens.
-pub struct EnsureAddressNever<AccountId>(sp_std::marker::PhantomData<AccountId>);
+pub struct EnsureAddressNever<AccountId>(core::marker::PhantomData<AccountId>);
 
 impl<OuterOrigin, AccountId> EnsureAddressOrigin<OuterOrigin> for EnsureAddressNever<AccountId> {
 	type Success = AccountId;
@@ -731,7 +734,7 @@ impl<T: From<H160>> AddressMapping<T> for IdentityAddressMapping {
 }
 
 /// Hashed address mapping.
-pub struct HashedAddressMapping<H>(sp_std::marker::PhantomData<H>);
+pub struct HashedAddressMapping<H>(core::marker::PhantomData<H>);
 
 impl<H: Hasher<Out = H256>> AddressMapping<AccountId32> for HashedAddressMapping<H> {
 	fn into_account_id(address: H160) -> AccountId32 {
@@ -750,7 +753,7 @@ pub trait BlockHashMapping {
 }
 
 /// Returns the Substrate block hash by number.
-pub struct SubstrateBlockHashMapping<T>(sp_std::marker::PhantomData<T>);
+pub struct SubstrateBlockHashMapping<T>(core::marker::PhantomData<T>);
 impl<T: Config> BlockHashMapping for SubstrateBlockHashMapping<T> {
 	fn block_hash(number: u32) -> H256 {
 		let number = <NumberFor<T::Block>>::from(number);
@@ -764,7 +767,7 @@ pub trait GasWeightMapping {
 	fn weight_to_gas(weight: Weight) -> u64;
 }
 
-pub struct FixedGasWeightMapping<T>(sp_std::marker::PhantomData<T>);
+pub struct FixedGasWeightMapping<T>(core::marker::PhantomData<T>);
 impl<T: Config> GasWeightMapping for FixedGasWeightMapping<T> {
 	fn gas_to_weight(gas: u64, without_base_weight: bool) -> Weight {
 		let mut weight = T::WeightPerGas::get().saturating_mul(gas);
@@ -953,7 +956,7 @@ pub trait OnChargeEVMTransaction<T: Config> {
 /// trait (eg. the pallet_balances) using an unbalance handler (implementing
 /// `OnUnbalanced`).
 /// Similar to `CurrencyAdapter` of `pallet_transaction_payment`
-pub struct EVMCurrencyAdapter<C, OU>(sp_std::marker::PhantomData<(C, OU)>);
+pub struct EVMCurrencyAdapter<C, OU>(core::marker::PhantomData<(C, OU)>);
 
 impl<T, C, OU> OnChargeEVMTransaction<T> for EVMCurrencyAdapter<C, OU>
 where
@@ -1053,7 +1056,7 @@ where
 ///
 /// Equivalent of `EVMCurrencyAdapter` but for fungible traits. Similar to `FungibleAdapter` of
 /// `pallet_transaction_payment`
-pub struct EVMFungibleAdapter<F, OU>(sp_std::marker::PhantomData<(F, OU)>);
+pub struct EVMFungibleAdapter<F, OU>(core::marker::PhantomData<(F, OU)>);
 
 impl<T, F, OU> OnChargeEVMTransaction<T> for EVMFungibleAdapter<F, OU>
 where

frame/evm/src/mock.rs

@@ -17,6 +17,8 @@
 
 //! Test mock for unit tests and benchmarking
 
+use alloc::boxed::Box;
+use core::str::FromStr;
 use frame_support::{
 	derive_impl, parameter_types,
 	traits::{ConstU32, FindAuthor},
@@ -27,7 +29,6 @@ use sp_runtime::{
 	traits::{BlakeTwo256, IdentityLookup},
 	ConsensusEngineId,
 };
-use sp_std::{boxed::Box, prelude::*, str::FromStr};
 
 use crate::{
 	EnsureAddressNever, EnsureAddressRoot, FeeCalculator, IdentityAddressMapping,