diff --git a/Cargo.lock b/Cargo.lock
index f3535d509ff7f11b37c1b1d0b19c9c20ef43e97c..d641f55443186c3e3a8f6a121fe46b7f5d59ab33 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -18402,7 +18402,6 @@ dependencies = [
"scale-info",
"serde",
"sp-crypto-hashing",
- "sp-std 14.0.0",
"static_assertions",
]
@@ -18444,7 +18443,6 @@ dependencies = [
"sp-api",
"sp-application-crypto",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -18454,7 +18452,6 @@ dependencies = [
"sp-api",
"sp-inherents",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -18501,7 +18498,6 @@ dependencies = [
"sp-consensus-slots",
"sp-inherents",
"sp-runtime",
- "sp-std 14.0.0",
"sp-timestamp",
]
@@ -18519,7 +18515,6 @@ dependencies = [
"sp-core",
"sp-inherents",
"sp-runtime",
- "sp-std 14.0.0",
"sp-timestamp",
]
@@ -18540,7 +18535,6 @@ dependencies = [
"sp-keystore",
"sp-mmr-primitives",
"sp-runtime",
- "sp-std 14.0.0",
"strum 0.24.1",
"w3f-bls",
]
@@ -18559,7 +18553,6 @@ dependencies = [
"sp-core",
"sp-keystore",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -18570,7 +18563,6 @@ dependencies = [
"sp-api",
"sp-core",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -18585,7 +18577,6 @@ dependencies = [
"sp-consensus-slots",
"sp-core",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -18595,7 +18586,6 @@ dependencies = [
"parity-scale-codec",
"scale-info",
"serde",
- "sp-std 14.0.0",
"sp-timestamp",
]
@@ -18711,7 +18701,6 @@ dependencies = [
"ark-ed-on-bls12-381-bandersnatch-ext",
"ark-scale 0.0.12",
"sp-runtime-interface 24.0.0",
- "sp-std 14.0.0",
]
[[package]]
@@ -18781,7 +18770,6 @@ version = "0.25.0"
dependencies = [
"environmental",
"parity-scale-codec",
- "sp-std 14.0.0",
"sp-storage 19.0.0",
]
@@ -18792,7 +18780,6 @@ dependencies = [
"serde_json",
"sp-api",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -18805,7 +18792,6 @@ dependencies = [
"parity-scale-codec",
"scale-info",
"sp-runtime",
- "sp-std 14.0.0",
"thiserror",
]
@@ -18870,7 +18856,6 @@ dependencies = [
"frame-metadata",
"parity-scale-codec",
"scale-info",
- "sp-std 14.0.0",
]
[[package]]
@@ -18881,7 +18866,6 @@ dependencies = [
"scale-info",
"sp-api",
"sp-application-crypto",
- "sp-std 14.0.0",
]
[[package]]
@@ -18898,7 +18882,6 @@ dependencies = [
"sp-core",
"sp-debug-derive 14.0.0",
"sp-runtime",
- "sp-std 14.0.0",
"thiserror",
]
@@ -18913,7 +18896,6 @@ dependencies = [
"sp-arithmetic",
"sp-core",
"sp-runtime",
- "sp-std 14.0.0",
"substrate-test-utils",
]
@@ -19100,7 +19082,6 @@ dependencies = [
"sp-keystore",
"sp-runtime",
"sp-staking",
- "sp-std 14.0.0",
]
[[package]]
@@ -19113,7 +19094,6 @@ dependencies = [
"serde",
"sp-core",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -19133,7 +19113,6 @@ dependencies = [
"sp-externalities 0.25.0",
"sp-panic-handler",
"sp-runtime",
- "sp-std 14.0.0",
"sp-trie",
"thiserror",
"tracing",
@@ -19159,7 +19138,6 @@ dependencies = [
"sp-externalities 0.25.0",
"sp-runtime",
"sp-runtime-interface 24.0.0",
- "sp-std 14.0.0",
"thiserror",
"x25519-dalek 2.0.0",
]
@@ -19195,7 +19173,6 @@ dependencies = [
"ref-cast",
"serde",
"sp-debug-derive 14.0.0",
- "sp-std 14.0.0",
]
[[package]]
@@ -19208,7 +19185,6 @@ dependencies = [
"sp-application-crypto",
"sp-core",
"sp-runtime",
- "sp-std 14.0.0",
]
[[package]]
@@ -19219,7 +19195,6 @@ dependencies = [
"parity-scale-codec",
"sp-inherents",
"sp-runtime",
- "sp-std 14.0.0",
"thiserror",
]
@@ -19240,7 +19215,6 @@ name = "sp-tracing"
version = "16.0.0"
dependencies = [
"parity-scale-codec",
- "sp-std 14.0.0",
"tracing",
"tracing-core",
"tracing-subscriber 0.2.25",
@@ -19264,7 +19238,6 @@ dependencies = [
"sp-core",
"sp-inherents",
"sp-runtime",
- "sp-std 14.0.0",
"sp-trie",
]
@@ -19287,7 +19260,6 @@ dependencies = [
"sp-core",
"sp-externalities 0.25.0",
"sp-runtime",
- "sp-std 14.0.0",
"thiserror",
"tracing",
"trie-bench",
@@ -19344,7 +19316,6 @@ dependencies = [
"impl-trait-for-tuples",
"log",
"parity-scale-codec",
- "sp-std 14.0.0",
"wasmtime",
]
@@ -19360,7 +19331,6 @@ dependencies = [
"smallvec",
"sp-arithmetic",
"sp-debug-derive 14.0.0",
- "sp-std 14.0.0",
]
[[package]]
@@ -19971,7 +19941,6 @@ dependencies = [
"sp-runtime",
"sp-session",
"sp-state-machine",
- "sp-std 14.0.0",
"sp-tracing 16.0.0",
"sp-transaction-pool",
"sp-trie",
diff --git a/substrate/primitives/arithmetic/Cargo.toml b/substrate/primitives/arithmetic/Cargo.toml
index 301821ad6893117661e439921f23d4d5d48f16b5..29c406b10b7f1bc98eb02715ce586e925dbabbc2 100644
--- a/substrate/primitives/arithmetic/Cargo.toml
+++ b/substrate/primitives/arithmetic/Cargo.toml
@@ -26,7 +26,6 @@ num-traits = { version = "0.2.17", default-features = false }
scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
serde = { features = ["alloc", "derive"], optional = true, workspace = true }
static_assertions = "1.1.0"
-sp-std = { path = "../std", default-features = false }
[dev-dependencies]
criterion = "0.4.0"
@@ -42,7 +41,6 @@ std = [
"scale-info/std",
"serde/std",
"sp-crypto-hashing/std",
- "sp-std/std",
]
# Serde support without relying on std features.
serde = ["dep:serde", "scale-info/serde"]
diff --git a/substrate/primitives/arithmetic/src/biguint.rs b/substrate/primitives/arithmetic/src/biguint.rs
index d92b08c8eca96121ab1e9c6d54f9fca318815861..164ec67a603f7e61c6e25de1a2861822da06dcf0 100644
--- a/substrate/primitives/arithmetic/src/biguint.rs
+++ b/substrate/primitives/arithmetic/src/biguint.rs
@@ -17,9 +17,10 @@
//! Infinite precision unsigned integer for substrate runtime.
+use alloc::{vec, vec::Vec};
use codec::{Decode, Encode};
+use core::{cell::RefCell, cmp::Ordering, ops};
use num_traits::{One, Zero};
-use sp_std::{cell::RefCell, cmp::Ordering, ops, prelude::*, vec};
// A sensible value for this would be half of the dword size of the host machine. Since the
// runtime is compiled to 32bit webassembly, using 32 and 64 for single and double respectively
@@ -35,7 +36,7 @@ const SHIFT: usize = 32;
const B: Double = Single::max_value() as Double + 1;
static_assertions::const_assert!(
- sp_std::mem::size_of::<Double>() - sp_std::mem::size_of::<Single>() == SHIFT / 8
+ core::mem::size_of::<Double>() - core::mem::size_of::<Single>() == SHIFT / 8
);
/// Splits a [`Double`] limb number into a tuple of two [`Single`] limb numbers.
@@ -438,9 +439,9 @@ impl BigUint {
}
}
-impl sp_std::fmt::Debug for BigUint {
+impl core::fmt::Debug for BigUint {
#[cfg(feature = "std")]
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(
f,
"BigUint {{ {:?} ({:?})}}",
@@ -450,7 +451,7 @@ impl sp_std::fmt::Debug for BigUint {
}
#[cfg(not(feature = "std"))]
- fn fmt(&self, _: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+ fn fmt(&self, _: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
Ok(())
}
}
diff --git a/substrate/primitives/arithmetic/src/fixed_point.rs b/substrate/primitives/arithmetic/src/fixed_point.rs
index ce14d2957b5e216325a2af02fbb1d68af2b756bb..46c09df21868c7c70a2b0ade12448774046346cc 100644
--- a/substrate/primitives/arithmetic/src/fixed_point.rs
+++ b/substrate/primitives/arithmetic/src/fixed_point.rs
@@ -26,17 +26,16 @@ use crate::{
PerThing, Perbill, Rounding, SignedRounding,
};
use codec::{CompactAs, Decode, Encode};
-use sp_std::{
+use core::{
fmt::Debug,
ops::{self, Add, Div, Mul, Sub},
- prelude::*,
};
#[cfg(feature = "serde")]
use serde::{de, Deserialize, Deserializer, Serialize, Serializer};
#[cfg(all(not(feature = "std"), feature = "serde"))]
-use sp_std::alloc::string::{String, ToString};
+use alloc::string::{String, ToString};
/// Integer types that can be used to interact with `FixedPointNumber` implementations.
pub trait FixedPointOperand:
@@ -899,9 +898,9 @@ macro_rules! implement_fixed {
}
}
- impl sp_std::fmt::Debug for $name {
+ impl ::core::fmt::Debug for $name {
#[cfg(feature = "std")]
- fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
+ fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
let integral = {
let int = self.0 / Self::accuracy();
let signum_for_zero = if int == 0 && self.is_negative() { "-" } else { "" };
@@ -917,7 +916,7 @@ macro_rules! implement_fixed {
}
#[cfg(not(feature = "std"))]
- fn fmt(&self, _: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
+ fn fmt(&self, _: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
Ok(())
}
}
@@ -933,13 +932,13 @@ macro_rules! implement_fixed {
}
}
- impl sp_std::fmt::Display for $name {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
+ impl ::core::fmt::Display for $name {
+ fn fmt(&self, f: &mut ::core::fmt::Formatter) -> ::core::fmt::Result {
write!(f, "{}", self.0)
}
}
- impl sp_std::str::FromStr for $name {
+ impl ::core::str::FromStr for $name {
type Err = &'static str;
fn from_str(s: &str) -> Result<Self, Self::Err> {
@@ -969,7 +968,7 @@ macro_rules! implement_fixed {
where
D: Deserializer<'de>,
{
- use sp_std::str::FromStr;
+ use ::core::str::FromStr;
let s = String::deserialize(deserializer)?;
$name::from_str(&s).map_err(de::Error::custom)
}
diff --git a/substrate/primitives/arithmetic/src/lib.rs b/substrate/primitives/arithmetic/src/lib.rs
index 900f0b75c3bf4f4e45524db7b3f0991828f03a09..33992e15423feeb5182fdec81dc3203d29ec65a7 100644
--- a/substrate/primitives/arithmetic/src/lib.rs
+++ b/substrate/primitives/arithmetic/src/lib.rs
@@ -19,6 +19,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
/// Copied from `sp-runtime` and documented there.
#[macro_export]
macro_rules! assert_eq_error_rate {
@@ -49,7 +51,8 @@ pub use per_things::{
};
pub use rational::{MultiplyRational, Rational128, RationalInfinite};
-use sp_std::{cmp::Ordering, fmt::Debug, prelude::*};
+use alloc::vec::Vec;
+use core::{cmp::Ordering, fmt::Debug};
use traits::{BaseArithmetic, One, SaturatedConversion, Unsigned, Zero};
use codec::{Decode, Encode, MaxEncodedLen};
@@ -429,7 +432,7 @@ mod normalize_tests {
mod threshold_compare_tests {
use super::*;
use crate::traits::Saturating;
- use sp_std::cmp::Ordering;
+ use core::cmp::Ordering;
#[test]
fn epsilon_ord_works() {
diff --git a/substrate/primitives/arithmetic/src/per_things.rs b/substrate/primitives/arithmetic/src/per_things.rs
index fe88b72e24c22158d1d35db50aebf68dec8ff191..057bfd7bf88541c8ef23fe6f946c48b31c65f360 100644
--- a/substrate/primitives/arithmetic/src/per_things.rs
+++ b/substrate/primitives/arithmetic/src/per_things.rs
@@ -23,12 +23,11 @@ use crate::traits::{
Saturating, UniqueSaturatedInto, Unsigned, Zero,
};
use codec::{CompactAs, Encode};
-use num_traits::{Pow, SaturatingAdd, SaturatingSub};
-use sp_std::{
+use core::{
fmt, ops,
ops::{Add, Sub},
- prelude::*,
};
+use num_traits::{Pow, SaturatingAdd, SaturatingSub};
/// Get the inner type of a `PerThing`.
pub type InnerOf<P> = <P as PerThing>::Inner;
@@ -414,7 +413,7 @@ pub trait PerThing:
}
/// The rounding method to use for unsigned quantities.
-#[derive(Copy, Clone, sp_std::fmt::Debug)]
+#[derive(Copy, Clone, core::fmt::Debug)]
pub enum Rounding {
// Towards infinity.
Up,
@@ -427,7 +426,7 @@ pub enum Rounding {
}
/// The rounding method to use.
-#[derive(Copy, Clone, sp_std::fmt::Debug)]
+#[derive(Copy, Clone, core::fmt::Debug)]
pub enum SignedRounding {
// Towards positive infinity.
High,
@@ -580,8 +579,8 @@ macro_rules! implement_per_thing {
}
#[cfg(feature = "std")]
- impl sp_std::fmt::Debug for $name {
- fn fmt(&self, fmt: &mut std::fmt::Formatter) -> std::fmt::Result {
+ impl core::fmt::Debug for $name {
+ fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
if $max == <$type>::max_value() {
// Not a power of ten: show as N/D and approx %
let pc = (self.0 as f64) / (self.0 as f64) * 100f64;
@@ -606,8 +605,8 @@ macro_rules! implement_per_thing {
}
#[cfg(not(feature = "std"))]
- impl sp_std::fmt::Debug for $name {
- fn fmt(&self, fmt: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
+ impl core::fmt::Debug for $name {
+ fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
if $max == <$type>::max_value() {
// Not a power of ten: show as N/D and approx %
write!(fmt, "{}/{}", self.0, $max)
diff --git a/substrate/primitives/arithmetic/src/rational.rs b/substrate/primitives/arithmetic/src/rational.rs
index ebd89c615a38b3efc717fbb7051fe12ccfb22ea1..2ec83e6fd868e1b67f3c2374dc9a3171165bc8e0 100644
--- a/substrate/primitives/arithmetic/src/rational.rs
+++ b/substrate/primitives/arithmetic/src/rational.rs
@@ -16,8 +16,8 @@
// limitations under the License.
use crate::{biguint::BigUint, helpers_128bit, Rounding};
+use core::cmp::Ordering;
use num_traits::{Bounded, One, Zero};
-use sp_std::{cmp::Ordering, prelude::*};
/// A wrapper for any rational number with infinitely large numerator and denominator.
///
@@ -92,15 +92,15 @@ impl From<Rational128> for RationalInfinite {
pub struct Rational128(u128, u128);
#[cfg(feature = "std")]
-impl sp_std::fmt::Debug for Rational128 {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+impl core::fmt::Debug for Rational128 {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "Rational128({} / {} ≈ {:.8})", self.0, self.1, self.0 as f64 / self.1 as f64)
}
}
#[cfg(not(feature = "std"))]
-impl sp_std::fmt::Debug for Rational128 {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+impl core::fmt::Debug for Rational128 {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "Rational128({} / {})", self.0, self.1)
}
}
diff --git a/substrate/primitives/authority-discovery/Cargo.toml b/substrate/primitives/authority-discovery/Cargo.toml
index 70f00897cdd6e804c98363016a8baabc9edde415..8ee8bb94ed97bf4283f2853cc28a8525a6448da6 100644
--- a/substrate/primitives/authority-discovery/Cargo.toml
+++ b/substrate/primitives/authority-discovery/Cargo.toml
@@ -21,7 +21,6 @@ scale-info = { version = "2.10.0", default-features = false, features = ["derive
sp-api = { path = "../api", default-features = false }
sp-application-crypto = { path = "../application-crypto", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
@@ -31,7 +30,6 @@ std = [
"sp-api/std",
"sp-application-crypto/std",
"sp-runtime/std",
- "sp-std/std",
]
serde = [
"scale-info/serde",
diff --git a/substrate/primitives/authority-discovery/src/lib.rs b/substrate/primitives/authority-discovery/src/lib.rs
index 3b25e39d4045e872d2892aa7e992d4140950479e..5aba76a3abb66f11d650ad50486f7a92ed4d6051 100644
--- a/substrate/primitives/authority-discovery/src/lib.rs
+++ b/substrate/primitives/authority-discovery/src/lib.rs
@@ -19,7 +19,9 @@
#![cfg_attr(not(feature = "std"), no_std)]
-use sp_std::vec::Vec;
+extern crate alloc;
+
+use alloc::vec::Vec;
mod app {
use sp_application_crypto::{app_crypto, key_types::AUTHORITY_DISCOVERY, sr25519};
diff --git a/substrate/primitives/block-builder/Cargo.toml b/substrate/primitives/block-builder/Cargo.toml
index c1317facd7fc532267c8039d71b2d78b3d3f61c4..cc4b10851544d601ef9caea512280d49b77cd443 100644
--- a/substrate/primitives/block-builder/Cargo.toml
+++ b/substrate/primitives/block-builder/Cargo.toml
@@ -19,8 +19,7 @@ targets = ["x86_64-unknown-linux-gnu"]
sp-api = { path = "../api", default-features = false }
sp-inherents = { path = "../inherents", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
-std = ["sp-api/std", "sp-inherents/std", "sp-runtime/std", "sp-std/std"]
+std = ["sp-api/std", "sp-inherents/std", "sp-runtime/std"]
diff --git a/substrate/primitives/block-builder/src/lib.rs b/substrate/primitives/block-builder/src/lib.rs
index 29e04857f463ee04c8f39b6c885437992e0d911c..9d03aa4d7a013b1d0ba71da628405a25be95ce38 100644
--- a/substrate/primitives/block-builder/src/lib.rs
+++ b/substrate/primitives/block-builder/src/lib.rs
@@ -19,6 +19,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
use sp_inherents::{CheckInherentsResult, InherentData};
use sp_runtime::{traits::Block as BlockT, ApplyExtrinsicResult};
@@ -44,7 +46,7 @@ sp_api::decl_runtime_apis! {
/// Generate inherent extrinsics. The inherent data will vary from chain to chain.
fn inherent_extrinsics(
inherent: InherentData,
- ) -> sp_std::vec::Vec<<Block as BlockT>::Extrinsic>;
+ ) -> alloc::vec::Vec<<Block as BlockT>::Extrinsic>;
/// Check that the inherents are valid. The inherent data will vary from chain to chain.
fn check_inherents(block: Block, data: InherentData) -> CheckInherentsResult;
diff --git a/substrate/primitives/consensus/aura/Cargo.toml b/substrate/primitives/consensus/aura/Cargo.toml
index 52f6bc22ba4080fbe1fccde71cf06ffa2c1a5327..0cedc59ea8fb1d06c7fc791561d1b3674a378300 100644
--- a/substrate/primitives/consensus/aura/Cargo.toml
+++ b/substrate/primitives/consensus/aura/Cargo.toml
@@ -24,7 +24,6 @@ sp-application-crypto = { path = "../../application-crypto", default-features =
sp-consensus-slots = { path = "../slots", default-features = false }
sp-inherents = { path = "../../inherents", default-features = false }
sp-runtime = { path = "../../runtime", default-features = false }
-sp-std = { path = "../../std", default-features = false }
sp-timestamp = { path = "../../timestamp", default-features = false }
[features]
@@ -38,7 +37,6 @@ std = [
"sp-consensus-slots/std",
"sp-inherents/std",
"sp-runtime/std",
- "sp-std/std",
"sp-timestamp/std",
]
diff --git a/substrate/primitives/consensus/aura/src/lib.rs b/substrate/primitives/consensus/aura/src/lib.rs
index 78409e84e93a377c90c4318e185cd5d4d8324781..5173d5516cfa605f7248ac0ca354b2283227d870 100644
--- a/substrate/primitives/consensus/aura/src/lib.rs
+++ b/substrate/primitives/consensus/aura/src/lib.rs
@@ -19,9 +19,11 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
+use alloc::vec::Vec;
use codec::{Codec, Decode, Encode};
use sp_runtime::ConsensusEngineId;
-use sp_std::vec::Vec;
pub mod digests;
pub mod inherents;
diff --git a/substrate/primitives/consensus/babe/Cargo.toml b/substrate/primitives/consensus/babe/Cargo.toml
index 8b3006f79a7ffc87a69a7eb2921f4b4f0533d1a1..724b9fd3e28925c3453cc86e2c1b7bea061676d0 100644
--- a/substrate/primitives/consensus/babe/Cargo.toml
+++ b/substrate/primitives/consensus/babe/Cargo.toml
@@ -26,7 +26,6 @@ sp-consensus-slots = { path = "../slots", default-features = false }
sp-core = { path = "../../core", default-features = false }
sp-inherents = { path = "../../inherents", default-features = false }
sp-runtime = { path = "../../runtime", default-features = false }
-sp-std = { path = "../../std", default-features = false }
sp-timestamp = { path = "../../timestamp", optional = true }
[features]
@@ -42,7 +41,6 @@ std = [
"sp-core/std",
"sp-inherents/std",
"sp-runtime/std",
- "sp-std/std",
"sp-timestamp/std",
]
diff --git a/substrate/primitives/consensus/babe/src/digests.rs b/substrate/primitives/consensus/babe/src/digests.rs
index afc967e3af391dd165e6be88ffdb42918b57b130..e7af8c5763a0f93223c749cea6b21313f46ba430 100644
--- a/substrate/primitives/consensus/babe/src/digests.rs
+++ b/substrate/primitives/consensus/babe/src/digests.rs
@@ -22,9 +22,10 @@ use super::{
BabeEpochConfiguration, Randomness, Slot, BABE_ENGINE_ID,
};
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
use sp_core::sr25519::vrf::VrfSignature;
use sp_runtime::{DigestItem, RuntimeDebug};
-use sp_std::vec::Vec;
use codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
diff --git a/substrate/primitives/consensus/babe/src/lib.rs b/substrate/primitives/consensus/babe/src/lib.rs
index ff0b4568226ef129305d6ab516d6b7032c54c2a0..6eb75b270a02815e1d37e50ff8f9da9d1be5f8c6 100644
--- a/substrate/primitives/consensus/babe/src/lib.rs
+++ b/substrate/primitives/consensus/babe/src/lib.rs
@@ -20,15 +20,18 @@
#![forbid(unsafe_code, missing_docs, unused_variables, unused_imports)]
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
pub mod digests;
pub mod inherents;
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
use codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use sp_runtime::{traits::Header, ConsensusEngineId, RuntimeDebug};
-use sp_std::vec::Vec;
use crate::digests::{NextConfigDescriptor, NextEpochDescriptor};
diff --git a/substrate/primitives/consensus/beefy/Cargo.toml b/substrate/primitives/consensus/beefy/Cargo.toml
index 8ab817d52ef93469959c4de17a459a319b07b4e0..fbcc6e0c1048a55f405e479ed9a195154f6fe823 100644
--- a/substrate/primitives/consensus/beefy/Cargo.toml
+++ b/substrate/primitives/consensus/beefy/Cargo.toml
@@ -26,7 +26,6 @@ sp-io = { path = "../../io", default-features = false }
sp-mmr-primitives = { path = "../../merkle-mountain-range", default-features = false }
sp-runtime = { path = "../../runtime", default-features = false }
sp-keystore = { path = "../../keystore", default-features = false }
-sp-std = { path = "../../std", default-features = false }
strum = { version = "0.24.1", features = ["derive"], default-features = false }
lazy_static = { version = "1.4.0", optional = true }
@@ -49,7 +48,6 @@ std = [
"sp-keystore/std",
"sp-mmr-primitives/std",
"sp-runtime/std",
- "sp-std/std",
"strum/std",
]
diff --git a/substrate/primitives/consensus/beefy/src/commitment.rs b/substrate/primitives/consensus/beefy/src/commitment.rs
index 335c6b604f044872ca5dc20319d0e2de94313606..4fd9e1b0a6ed14ea51ef30e5d4c6748a129d5249 100644
--- a/substrate/primitives/consensus/beefy/src/commitment.rs
+++ b/substrate/primitives/consensus/beefy/src/commitment.rs
@@ -15,9 +15,10 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+use alloc::{vec, vec::Vec};
use codec::{Decode, Encode, Error, Input};
+use core::cmp;
use scale_info::TypeInfo;
-use sp_std::{cmp, prelude::*};
use crate::{Payload, ValidatorSetId};
@@ -97,10 +98,10 @@ pub struct SignedCommitment<TBlockNumber, TSignature> {
pub signatures: Vec<Option<TSignature>>,
}
-impl<TBlockNumber: sp_std::fmt::Debug, TSignature> sp_std::fmt::Display
+impl<TBlockNumber: core::fmt::Debug, TSignature> core::fmt::Display
for SignedCommitment<TBlockNumber, TSignature>
{
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
let signatures_count = self.signatures.iter().filter(|s| s.is_some()).count();
write!(
f,
@@ -254,8 +255,8 @@ pub enum VersionedFinalityProof<N, S> {
V1(SignedCommitment<N, S>),
}
-impl<N: sp_std::fmt::Debug, S> sp_std::fmt::Display for VersionedFinalityProof<N, S> {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+impl<N: core::fmt::Debug, S> core::fmt::Display for VersionedFinalityProof<N, S> {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
match self {
VersionedFinalityProof::V1(sc) => write!(f, "VersionedFinalityProof::V1({})", sc),
}
diff --git a/substrate/primitives/consensus/beefy/src/lib.rs b/substrate/primitives/consensus/beefy/src/lib.rs
index 1c3801e3a506bc9c04976713e1fae9cf02511a3d..b3f62ead736c4921d1fa941b19902c8c234c8f78 100644
--- a/substrate/primitives/consensus/beefy/src/lib.rs
+++ b/substrate/primitives/consensus/beefy/src/lib.rs
@@ -31,6 +31,8 @@
//! it will use a different set of keys. For Polkadot use case we plan to use `secp256k1` for BEEFY,
//! while GRANDPA uses `ed25519`.
+extern crate alloc;
+
mod commitment;
mod payload;
@@ -44,13 +46,13 @@ pub mod test_utils;
pub use commitment::{Commitment, SignedCommitment, VersionedFinalityProof};
pub use payload::{known_payloads, BeefyPayloadId, Payload, PayloadProvider};
+use alloc::vec::Vec;
use codec::{Codec, Decode, Encode};
use core::fmt::{Debug, Display};
use scale_info::TypeInfo;
use sp_application_crypto::{AppCrypto, AppPublic, ByteArray, RuntimeAppPublic};
use sp_core::H256;
use sp_runtime::traits::{Hash, Keccak256, NumberFor};
-use sp_std::prelude::*;
/// Key type for BEEFY module.
pub const KEY_TYPE: sp_core::crypto::KeyTypeId = sp_application_crypto::key_types::BEEFY;
diff --git a/substrate/primitives/consensus/beefy/src/mmr.rs b/substrate/primitives/consensus/beefy/src/mmr.rs
index 1b9a45f86878fa6d35fa0d150146e6c94c7154fe..74851ece7acf2d47c540f3d14f3c388ae0eb22f1 100644
--- a/substrate/primitives/consensus/beefy/src/mmr.rs
+++ b/substrate/primitives/consensus/beefy/src/mmr.rs
@@ -26,7 +26,8 @@
//! but we imagine they will be useful for other chains that either want to bridge with Polkadot
//! or are completely standalone, but heavily inspired by Polkadot.
-use crate::{ecdsa_crypto::AuthorityId, ConsensusLog, MmrRootHash, Vec, BEEFY_ENGINE_ID};
+use crate::{ecdsa_crypto::AuthorityId, ConsensusLog, MmrRootHash, BEEFY_ENGINE_ID};
+use alloc::vec::Vec;
use codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
use sp_runtime::{
@@ -150,10 +151,11 @@ pub use mmr_root_provider::MmrRootProvider;
mod mmr_root_provider {
use super::*;
use crate::{known_payloads, payload::PayloadProvider, Payload};
+ use alloc::sync::Arc;
+ use core::marker::PhantomData;
use sp_api::ProvideRuntimeApi;
use sp_mmr_primitives::MmrApi;
use sp_runtime::traits::NumberFor;
- use sp_std::{marker::PhantomData, sync::Arc};
/// A [`crate::Payload`] provider where payload is Merkle Mountain Range root hash.
///
diff --git a/substrate/primitives/consensus/beefy/src/payload.rs b/substrate/primitives/consensus/beefy/src/payload.rs
index d520de445c95aed210c61e67f7e09be8b676442b..dff017b49e091b28151c7e400e8d91062e6f05f2 100644
--- a/substrate/primitives/consensus/beefy/src/payload.rs
+++ b/substrate/primitives/consensus/beefy/src/payload.rs
@@ -15,10 +15,10 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+use alloc::{vec, vec::Vec};
use codec::{Decode, Encode};
use scale_info::TypeInfo;
use sp_runtime::traits::Block;
-use sp_std::prelude::*;
/// Id of different payloads in the [`crate::Commitment`] data.
pub type BeefyPayloadId = [u8; 2];
diff --git a/substrate/primitives/consensus/beefy/src/witness.rs b/substrate/primitives/consensus/beefy/src/witness.rs
index b633453340bbee211f49bc5afcdf5867570cf7c0..cfffc94254a4c6caa9c7748b5e48b71fd71792fe 100644
--- a/substrate/primitives/consensus/beefy/src/witness.rs
+++ b/substrate/primitives/consensus/beefy/src/witness.rs
@@ -23,9 +23,8 @@
//! verification. This allows lowering the data and computation cost of verifying the
//! signed commitment.
-use sp_std::prelude::*;
-
use crate::commitment::{Commitment, SignedCommitment};
+use alloc::vec::Vec;
/// A light form of [SignedCommitment].
///
diff --git a/substrate/primitives/consensus/grandpa/Cargo.toml b/substrate/primitives/consensus/grandpa/Cargo.toml
index b06208a4308b355031adde70de72e0e136debda5..1f2da55c5a1668b10902e71297e1b12a121d6f41 100644
--- a/substrate/primitives/consensus/grandpa/Cargo.toml
+++ b/substrate/primitives/consensus/grandpa/Cargo.toml
@@ -27,7 +27,6 @@ sp-application-crypto = { path = "../../application-crypto", default-features =
sp-core = { path = "../../core", default-features = false }
sp-keystore = { path = "../../keystore", default-features = false, optional = true }
sp-runtime = { path = "../../runtime", default-features = false }
-sp-std = { path = "../../std", default-features = false }
[features]
default = ["std"]
@@ -42,7 +41,6 @@ std = [
"sp-core/std",
"sp-keystore/std",
"sp-runtime/std",
- "sp-std/std",
]
# Serde support without relying on std features.
diff --git a/substrate/primitives/consensus/grandpa/src/lib.rs b/substrate/primitives/consensus/grandpa/src/lib.rs
index 1cf5504c5e7d1b0f17e248e6be45829e6ef15655..75ed81894c259ad7102b9b98bb3e6e29bea4cdcd 100644
--- a/substrate/primitives/consensus/grandpa/src/lib.rs
+++ b/substrate/primitives/consensus/grandpa/src/lib.rs
@@ -19,9 +19,12 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
#[cfg(feature = "serde")]
use serde::Serialize;
+use alloc::vec::Vec;
use codec::{Codec, Decode, Encode};
use scale_info::TypeInfo;
#[cfg(feature = "std")]
@@ -30,7 +33,6 @@ use sp_runtime::{
traits::{Header as HeaderT, NumberFor},
ConsensusEngineId, RuntimeDebug,
};
-use sp_std::vec::Vec;
/// The log target to be used by client code.
pub const CLIENT_LOG_TARGET: &str = "grandpa";
diff --git a/substrate/primitives/consensus/pow/Cargo.toml b/substrate/primitives/consensus/pow/Cargo.toml
index 8147b063f6d3324b1e942d825c272f94720854c0..7a884f865fbeea0d6e7c0fd6a6699e0a5b513769 100644
--- a/substrate/primitives/consensus/pow/Cargo.toml
+++ b/substrate/primitives/consensus/pow/Cargo.toml
@@ -20,7 +20,6 @@ codec = { package = "parity-scale-codec", version = "3.6.1", default-features =
sp-api = { path = "../../api", default-features = false }
sp-core = { path = "../../core", default-features = false }
sp-runtime = { path = "../../runtime", default-features = false }
-sp-std = { path = "../../std", default-features = false }
[features]
default = ["std"]
@@ -29,5 +28,4 @@ std = [
"sp-api/std",
"sp-core/std",
"sp-runtime/std",
- "sp-std/std",
]
diff --git a/substrate/primitives/consensus/pow/src/lib.rs b/substrate/primitives/consensus/pow/src/lib.rs
index f37aae1c5c012900b4220e2cdf9e1ab5edd188b0..c14d23cf068f23e48d03544e5a16b775245f451c 100644
--- a/substrate/primitives/consensus/pow/src/lib.rs
+++ b/substrate/primitives/consensus/pow/src/lib.rs
@@ -19,9 +19,12 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
use codec::Decode;
use sp_runtime::ConsensusEngineId;
-use sp_std::vec::Vec;
/// The `ConsensusEngineId` of PoW.
pub const POW_ENGINE_ID: ConsensusEngineId = [b'p', b'o', b'w', b'_'];
diff --git a/substrate/primitives/consensus/sassafras/Cargo.toml b/substrate/primitives/consensus/sassafras/Cargo.toml
index b707ad18b5b9c6d4649a31a0c8f6a4dd4eeaf1f8..085709d4c8b5be184a3eac016d20b626db6a8528 100644
--- a/substrate/primitives/consensus/sassafras/Cargo.toml
+++ b/substrate/primitives/consensus/sassafras/Cargo.toml
@@ -26,7 +26,6 @@ sp-application-crypto = { path = "../../application-crypto", default-features =
sp-consensus-slots = { path = "../slots", default-features = false }
sp-core = { path = "../../core", default-features = false, features = ["bandersnatch-experimental"] }
sp-runtime = { path = "../../runtime", default-features = false }
-sp-std = { path = "../../std", default-features = false }
[features]
default = ["std"]
@@ -39,7 +38,6 @@ std = [
"sp-consensus-slots/std",
"sp-core/std",
"sp-runtime/std",
- "sp-std/std",
]
# Serde support without relying on std features.
diff --git a/substrate/primitives/consensus/sassafras/src/digests.rs b/substrate/primitives/consensus/sassafras/src/digests.rs
index 5274f1309d8251977fe3bf30f2209bf8538f5e19..64190a41ce1c95d5251f25f0991daf2bed4cc802 100644
--- a/substrate/primitives/consensus/sassafras/src/digests.rs
+++ b/substrate/primitives/consensus/sassafras/src/digests.rs
@@ -25,8 +25,9 @@ use crate::{
use scale_codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
use sp_runtime::{DigestItem, RuntimeDebug};
-use sp_std::vec::Vec;
/// Epoch slot claim digest entry.
///
diff --git a/substrate/primitives/consensus/sassafras/src/lib.rs b/substrate/primitives/consensus/sassafras/src/lib.rs
index 1752f76588635f5a80fddabc86023a439361643c..c1fea74d04522896b249979caac7658cb5f8a6a8 100644
--- a/substrate/primitives/consensus/sassafras/src/lib.rs
+++ b/substrate/primitives/consensus/sassafras/src/lib.rs
@@ -21,11 +21,13 @@
#![forbid(unsafe_code, missing_docs, unused_variables, unused_imports)]
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
+use alloc::vec::Vec;
use scale_codec::{Decode, Encode, MaxEncodedLen};
use scale_info::TypeInfo;
use sp_core::crypto::KeyTypeId;
use sp_runtime::{ConsensusEngineId, RuntimeDebug};
-use sp_std::vec::Vec;
pub use sp_consensus_slots::{Slot, SlotDuration};
diff --git a/substrate/primitives/consensus/sassafras/src/vrf.rs b/substrate/primitives/consensus/sassafras/src/vrf.rs
index 5deacd8e9945bf9dbcc05a0664029e3a2c57c1c0..815edb5eb661ed94161f15f34a8f26311640be49 100644
--- a/substrate/primitives/consensus/sassafras/src/vrf.rs
+++ b/substrate/primitives/consensus/sassafras/src/vrf.rs
@@ -18,9 +18,10 @@
//! Utilities related to VRF input, pre-output and signatures.
use crate::{Randomness, TicketBody, TicketId};
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
use scale_codec::Encode;
use sp_consensus_slots::Slot;
-use sp_std::vec::Vec;
pub use sp_core::bandersnatch::{
ring_vrf::{RingProver, RingVerifier, RingVerifierData, RingVrfSignature},
diff --git a/substrate/primitives/consensus/slots/Cargo.toml b/substrate/primitives/consensus/slots/Cargo.toml
index 8372b2b04a6b662cd76a07b6d7245ba9ba46b251..94c02dba203dc938062546dabe3cebd32411dbde 100644
--- a/substrate/primitives/consensus/slots/Cargo.toml
+++ b/substrate/primitives/consensus/slots/Cargo.toml
@@ -19,7 +19,6 @@ targets = ["x86_64-unknown-linux-gnu"]
codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false, features = ["derive", "max-encoded-len"] }
scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
serde = { features = ["alloc", "derive"], optional = true, workspace = true }
-sp-std = { path = "../../std", default-features = false }
sp-timestamp = { path = "../../timestamp", default-features = false }
[features]
@@ -28,7 +27,6 @@ std = [
"codec/std",
"scale-info/std",
"serde/std",
- "sp-std/std",
"sp-timestamp/std",
]
diff --git a/substrate/primitives/crypto/ec-utils/Cargo.toml b/substrate/primitives/crypto/ec-utils/Cargo.toml
index 43daad0892187ff34c94c1fbc657534f071dc6f2..142a5abf9b30d660077d39c12808a26d47bd41b6 100644
--- a/substrate/primitives/crypto/ec-utils/Cargo.toml
+++ b/substrate/primitives/crypto/ec-utils/Cargo.toml
@@ -28,7 +28,6 @@ ark-ed-on-bls12-377-ext = { version = "0.4.1", default-features = false, optiona
ark-ed-on-bls12-377 = { version = "0.4.0", default-features = false, optional = true }
ark-scale = { version = "0.0.12", default-features = false, features = ["hazmat"], optional = true }
sp-runtime-interface = { path = "../../runtime-interface", default-features = false, optional = true }
-sp-std = { path = "../../std", default-features = false, optional = true }
[features]
default = ["std"]
@@ -47,9 +46,8 @@ std = [
"ark-ed-on-bls12-381-bandersnatch?/std",
"ark-scale?/std",
"sp-runtime-interface?/std",
- "sp-std?/std",
]
-common = ["ark-ec", "ark-scale", "sp-runtime-interface", "sp-std"]
+common = ["ark-ec", "ark-scale", "sp-runtime-interface"]
bls12-377 = ["ark-bls12-377", "ark-bls12-377-ext", "common"]
bls12-381 = ["ark-bls12-381", "ark-bls12-381-ext", "common"]
bw6-761 = ["ark-bw6-761", "ark-bw6-761-ext", "common"]
diff --git a/substrate/primitives/crypto/ec-utils/src/bls12_377.rs b/substrate/primitives/crypto/ec-utils/src/bls12_377.rs
index 8f19a2c4a1911f0d1045d0eebf98958236830e0f..a1ea5dbbf935a48ebc5fc971517657c8210c8deb 100644
--- a/substrate/primitives/crypto/ec-utils/src/bls12_377.rs
+++ b/substrate/primitives/crypto/ec-utils/src/bls12_377.rs
@@ -18,10 +18,10 @@
//! *BLS12-377* types and host functions.
use crate::utils;
+use alloc::vec::Vec;
use ark_bls12_377_ext::CurveHooks;
use ark_ec::{pairing::Pairing, CurveConfig};
use sp_runtime_interface::runtime_interface;
-use sp_std::vec::Vec;
/// First pairing group definitions.
pub mod g1 {
diff --git a/substrate/primitives/crypto/ec-utils/src/bls12_381.rs b/substrate/primitives/crypto/ec-utils/src/bls12_381.rs
index 99a0289b7ad26b09bcb39e469ec8bf5203e47cb2..5e02862ed7ba53fcf3c25d037683bad0059496d3 100644
--- a/substrate/primitives/crypto/ec-utils/src/bls12_381.rs
+++ b/substrate/primitives/crypto/ec-utils/src/bls12_381.rs
@@ -18,10 +18,10 @@
//! *BLS12-381* types and host functions.
use crate::utils;
+use alloc::vec::Vec;
use ark_bls12_381_ext::CurveHooks;
use ark_ec::{pairing::Pairing, CurveConfig};
use sp_runtime_interface::runtime_interface;
-use sp_std::vec::Vec;
/// First pairing group definitions.
pub mod g1 {
diff --git a/substrate/primitives/crypto/ec-utils/src/bw6_761.rs b/substrate/primitives/crypto/ec-utils/src/bw6_761.rs
index a68abf6e43e0384a1afe6beafdd99963a6fc48ff..4ee1035f670f8a9607df4fc9a513abdab73d454a 100644
--- a/substrate/primitives/crypto/ec-utils/src/bw6_761.rs
+++ b/substrate/primitives/crypto/ec-utils/src/bw6_761.rs
@@ -18,10 +18,10 @@
//! *BW6-761* types and host functions.
use crate::utils;
+use alloc::vec::Vec;
use ark_bw6_761_ext::CurveHooks;
use ark_ec::{pairing::Pairing, CurveConfig};
use sp_runtime_interface::runtime_interface;
-use sp_std::vec::Vec;
/// First pairing group definitions.
pub mod g1 {
diff --git a/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_377.rs b/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_377.rs
index a03be41b854284d5a02956f5ae099f1b2c21d4ed..e068507b3473e68671f00be314a6167a874a2ce0 100644
--- a/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_377.rs
+++ b/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_377.rs
@@ -18,10 +18,10 @@
//! *Ed-on-BLS12-377* types and host functions.
use crate::utils;
+use alloc::vec::Vec;
use ark_ec::CurveConfig;
use ark_ed_on_bls12_377_ext::CurveHooks;
use sp_runtime_interface::runtime_interface;
-use sp_std::vec::Vec;
/// Curve hooks jumping into [`host_calls`] host functions.
#[derive(Copy, Clone)]
diff --git a/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_381_bandersnatch.rs b/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_381_bandersnatch.rs
index 9d63f35876521091fd757c9e7ca15a446fd1f1e9..487ad98dac657e5ed5ea01f045c82f60185f549c 100644
--- a/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_381_bandersnatch.rs
+++ b/substrate/primitives/crypto/ec-utils/src/ed_on_bls12_381_bandersnatch.rs
@@ -19,10 +19,10 @@
//! computationally expensive operations.
use crate::utils;
+use alloc::vec::Vec;
use ark_ec::CurveConfig;
use ark_ed_on_bls12_381_bandersnatch_ext::CurveHooks;
use sp_runtime_interface::runtime_interface;
-use sp_std::vec::Vec;
/// Curve hooks jumping into [`host_calls`] host functions.
#[derive(Copy, Clone)]
diff --git a/substrate/primitives/crypto/ec-utils/src/lib.rs b/substrate/primitives/crypto/ec-utils/src/lib.rs
index 970ad71765a5b27791a84a4fb963f8e4386b9297..3254bbe648f4f2e8fae02c33d03d50e10c0a91cb 100644
--- a/substrate/primitives/crypto/ec-utils/src/lib.rs
+++ b/substrate/primitives/crypto/ec-utils/src/lib.rs
@@ -32,6 +32,8 @@
#![warn(missing_docs)]
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
#[cfg(feature = "bls12-377")]
pub mod bls12_377;
#[cfg(feature = "bls12-381")]
diff --git a/substrate/primitives/crypto/ec-utils/src/utils.rs b/substrate/primitives/crypto/ec-utils/src/utils.rs
index d0dd8ed8131c4d40b68bdbc0a1f7155318a9c449..47a49fe16cc2405c3edc9a1ffe6dfb86e19fe183 100644
--- a/substrate/primitives/crypto/ec-utils/src/utils.rs
+++ b/substrate/primitives/crypto/ec-utils/src/utils.rs
@@ -21,6 +21,7 @@
// curve may be excluded by the build we resort to `#[allow(unused)]` to
// suppress the expected warning.
+use alloc::vec::Vec;
use ark_ec::{
pairing::{MillerLoopOutput, Pairing},
short_weierstrass::{Affine as SWAffine, Projective as SWProjective, SWCurveConfig},
@@ -31,7 +32,6 @@ use ark_scale::{
ark_serialize::{CanonicalDeserialize, CanonicalSerialize, Compress, Validate},
scale::{Decode, Encode},
};
-use sp_std::vec::Vec;
// SCALE encoding parameters shared by all the enabled modules
const SCALE_USAGE: u8 = ark_scale::make_usage(Compress::No, Validate::No);
diff --git a/substrate/primitives/externalities/Cargo.toml b/substrate/primitives/externalities/Cargo.toml
index 6dc4f0a0dadf7d4ab906c21edca72cc3ac69a51a..20fa3e3e397c23632a67ca86cecf1a593e48a0e2 100644
--- a/substrate/primitives/externalities/Cargo.toml
+++ b/substrate/primitives/externalities/Cargo.toml
@@ -19,9 +19,8 @@ targets = ["x86_64-unknown-linux-gnu"]
[dependencies]
codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
environmental = { version = "1.1.3", default-features = false }
-sp-std = { path = "../std", default-features = false }
sp-storage = { path = "../storage", default-features = false }
[features]
default = ["std"]
-std = ["codec/std", "environmental/std", "sp-std/std", "sp-storage/std"]
+std = ["codec/std", "environmental/std", "sp-storage/std"]
diff --git a/substrate/primitives/externalities/src/extensions.rs b/substrate/primitives/externalities/src/extensions.rs
index d99dfe6cf530ae29718a1cf0a24a5a6afa851894..a4aa847a1aa8495763e4da7862e907256cf678c4 100644
--- a/substrate/primitives/externalities/src/extensions.rs
+++ b/substrate/primitives/externalities/src/extensions.rs
@@ -23,10 +23,12 @@
//! It is required that each extension implements the [`Extension`] trait.
use crate::Error;
-use sp_std::{
- any::{Any, TypeId},
+use alloc::{
boxed::Box,
collections::btree_map::{BTreeMap, Entry},
+};
+use core::{
+ any::{Any, TypeId},
ops::DerefMut,
};
diff --git a/substrate/primitives/externalities/src/lib.rs b/substrate/primitives/externalities/src/lib.rs
index 411ec97a6b82423ee6053027f03deeb802f361d0..142200f614a69d8a5e195db8d434fba4bb5a83b7 100644
--- a/substrate/primitives/externalities/src/lib.rs
+++ b/substrate/primitives/externalities/src/lib.rs
@@ -25,11 +25,10 @@
//!
//! This crate exposes the main [`Externalities`] trait.
-use sp_std::{
- any::{Any, TypeId},
- boxed::Box,
- vec::Vec,
-};
+extern crate alloc;
+
+use alloc::{boxed::Box, vec::Vec};
+use core::any::{Any, TypeId};
use sp_storage::{ChildInfo, StateVersion, TrackedStorageKey};
diff --git a/substrate/primitives/genesis-builder/Cargo.toml b/substrate/primitives/genesis-builder/Cargo.toml
index 15440b4811ec4664725f8b0df5335748917b20fc..5a8f1c2962ce6ae24621fa3b8e855e5aec985297 100644
--- a/substrate/primitives/genesis-builder/Cargo.toml
+++ b/substrate/primitives/genesis-builder/Cargo.toml
@@ -18,9 +18,8 @@ targets = ["x86_64-unknown-linux-gnu"]
[dependencies]
sp-api = { path = "../api", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
serde_json = { features = ["alloc", "arbitrary_precision"], workspace = true }
[features]
default = ["std"]
-std = ["serde_json/std", "sp-api/std", "sp-runtime/std", "sp-std/std"]
+std = ["serde_json/std", "sp-api/std", "sp-runtime/std"]
diff --git a/substrate/primitives/genesis-builder/src/lib.rs b/substrate/primitives/genesis-builder/src/lib.rs
index bb1a2a352488ac0c03cfcd35dac1b45444b1d9a1..4970042187ce0239e29c23ec31597bc5ad21c42e 100644
--- a/substrate/primitives/genesis-builder/src/lib.rs
+++ b/substrate/primitives/genesis-builder/src/lib.rs
@@ -31,6 +31,8 @@
//! allows to catch and build the raw storage of `RuntimeGenesisConfig` which is the foundation for
//! genesis block.
+extern crate alloc;
+
/// The result type alias, used in build methods. `Err` contains formatted error message.
pub type Result = core::result::Result<(), sp_runtime::RuntimeString>;
@@ -41,7 +43,7 @@ sp_api::decl_runtime_apis! {
///
/// This function instantiates the default `RuntimeGenesisConfig` struct for the runtime and serializes it into a JSON
/// blob. It returns a `Vec<u8>` containing the JSON representation of the default `RuntimeGenesisConfig`.
- fn create_default_config() -> sp_std::vec::Vec<u8>;
+ fn create_default_config() -> alloc::vec::Vec<u8>;
/// Build `RuntimeGenesisConfig` from a JSON blob not using any defaults and store it in the storage.
///
@@ -50,6 +52,6 @@ sp_api::decl_runtime_apis! {
/// It is recommended to log any errors encountered during the process.
///
/// Please note that provided json blob must contain all `RuntimeGenesisConfig` fields, no defaults will be used.
- fn build_config(json: sp_std::vec::Vec<u8>) -> Result;
+ fn build_config(json: alloc::vec::Vec<u8>) -> Result;
}
}
diff --git a/substrate/primitives/inherents/Cargo.toml b/substrate/primitives/inherents/Cargo.toml
index bfb1d7733471fa7fd9f0a13c14d337e34188065d..6463c423fe7b7e8368c642af8fdf3d88974747ef 100644
--- a/substrate/primitives/inherents/Cargo.toml
+++ b/substrate/primitives/inherents/Cargo.toml
@@ -23,7 +23,6 @@ scale-info = { version = "2.10.0", default-features = false, features = ["derive
impl-trait-for-tuples = "0.2.2"
thiserror = { optional = true, workspace = true }
sp-runtime = { path = "../runtime", default-features = false, optional = true }
-sp-std = { path = "../std", default-features = false }
[dev-dependencies]
futures = "0.3.21"
@@ -35,6 +34,5 @@ std = [
"codec/std",
"scale-info/std",
"sp-runtime/std",
- "sp-std/std",
"thiserror",
]
diff --git a/substrate/primitives/inherents/src/lib.rs b/substrate/primitives/inherents/src/lib.rs
index dd7c294f1e245126bd02ef14a470595dc13841bb..80787669856ffc46af28207d2cec787e5ed78d5c 100644
--- a/substrate/primitives/inherents/src/lib.rs
+++ b/substrate/primitives/inherents/src/lib.rs
@@ -162,9 +162,11 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![warn(missing_docs)]
+extern crate alloc;
+
use codec::{Decode, Encode};
-use sp_std::{
+use alloc::{
collections::btree_map::{BTreeMap, Entry, IntoIter},
vec::Vec,
};
diff --git a/substrate/primitives/merkle-mountain-range/Cargo.toml b/substrate/primitives/merkle-mountain-range/Cargo.toml
index 50d8477823948a4005a9cb0ccfabf73349f91222..9c07f699b37a419c972bfaf34854f376eae5b800 100644
--- a/substrate/primitives/merkle-mountain-range/Cargo.toml
+++ b/substrate/primitives/merkle-mountain-range/Cargo.toml
@@ -24,7 +24,6 @@ sp-api = { path = "../api", default-features = false }
sp-core = { path = "../core", default-features = false }
sp-debug-derive = { path = "../debug-derive", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
thiserror = { optional = true, workspace = true }
[dev-dependencies]
@@ -43,7 +42,6 @@ std = [
"sp-core/std",
"sp-debug-derive/std",
"sp-runtime/std",
- "sp-std/std",
]
# Serde support without relying on std features.
diff --git a/substrate/primitives/merkle-mountain-range/src/lib.rs b/substrate/primitives/merkle-mountain-range/src/lib.rs
index 6c0e75005ead8609a597735ef3ed19a85076dc89..c76d66bb08ea700bd6bcc1272d56310bda51881f 100644
--- a/substrate/primitives/merkle-mountain-range/src/lib.rs
+++ b/substrate/primitives/merkle-mountain-range/src/lib.rs
@@ -20,14 +20,16 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![warn(missing_docs)]
+extern crate alloc;
+
pub use mmr_lib;
+#[cfg(not(feature = "std"))]
+use alloc::vec::Vec;
+use core::fmt;
use scale_info::TypeInfo;
use sp_debug_derive::RuntimeDebug;
use sp_runtime::traits;
-use sp_std::fmt;
-#[cfg(not(feature = "std"))]
-use sp_std::prelude::Vec;
pub mod utils;
@@ -248,10 +250,10 @@ impl<H: traits::Hash, L: FullLeaf> DataOrHash<H, L> {
pub struct Compact<H, T> {
/// Internal tuple representation.
pub tuple: T,
- _hash: sp_std::marker::PhantomData<H>,
+ _hash: core::marker::PhantomData<H>,
}
-impl<H, T> sp_std::ops::Deref for Compact<H, T> {
+impl<H, T> core::ops::Deref for Compact<H, T> {
type Target = T;
fn deref(&self) -> &Self::Target {
diff --git a/substrate/primitives/merkle-mountain-range/src/utils.rs b/substrate/primitives/merkle-mountain-range/src/utils.rs
index b9171c96a6201eb99a63355841245a2a7853513b..72674e24a272849fcabf16f243764dbb2858c0fa 100644
--- a/substrate/primitives/merkle-mountain-range/src/utils.rs
+++ b/substrate/primitives/merkle-mountain-range/src/utils.rs
@@ -20,9 +20,9 @@
use codec::Encode;
use mmr_lib::helper;
-use sp_runtime::traits::{CheckedAdd, CheckedSub, Header, One};
#[cfg(not(feature = "std"))]
-use sp_std::prelude::Vec;
+use alloc::vec::Vec;
+use sp_runtime::traits::{CheckedAdd, CheckedSub, Header, One};
use crate::{Error, LeafIndex, NodeIndex};
@@ -131,7 +131,7 @@ impl NodesUtils {
/// Used for nodes added by now finalized blocks.
/// Never read keys using `node_canon_offchain_key` unless you sure that
/// there's no `node_offchain_key` key in the storage.
- pub fn node_canon_offchain_key(prefix: &[u8], pos: NodeIndex) -> sp_std::prelude::Vec<u8> {
+ pub fn node_canon_offchain_key(prefix: &[u8], pos: NodeIndex) -> alloc::vec::Vec<u8> {
(prefix, pos).encode()
}
}
diff --git a/substrate/primitives/metadata-ir/Cargo.toml b/substrate/primitives/metadata-ir/Cargo.toml
index e4203d0e378efb557ace209761e012bc571400fa..31c839b5c485e71a09aaf2f4966c0ed8443aaab5 100644
--- a/substrate/primitives/metadata-ir/Cargo.toml
+++ b/substrate/primitives/metadata-ir/Cargo.toml
@@ -19,8 +19,7 @@ targets = ["x86_64-unknown-linux-gnu"]
codec = { package = "parity-scale-codec", version = "3.6.1", default-features = false }
frame-metadata = { version = "16.0.0", default-features = false, features = ["current"] }
scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
-std = ["codec/std", "frame-metadata/std", "scale-info/std", "sp-std/std"]
+std = ["codec/std", "frame-metadata/std", "scale-info/std"]
diff --git a/substrate/primitives/metadata-ir/src/lib.rs b/substrate/primitives/metadata-ir/src/lib.rs
index edfa58f8618942e34b6937733cbd2a5f5c4dffbb..18b20f2ccaac31a92175a420d0f569ef7dd1677b 100644
--- a/substrate/primitives/metadata-ir/src/lib.rs
+++ b/substrate/primitives/metadata-ir/src/lib.rs
@@ -20,6 +20,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![warn(missing_docs)]
+extern crate alloc;
+
// Re-export.
#[doc(hidden)]
pub use frame_metadata;
@@ -52,8 +54,8 @@ pub fn into_version(metadata: MetadataIR, version: u32) -> Option<RuntimeMetadat
}
/// Returns the supported metadata versions.
-pub fn supported_versions() -> sp_std::vec::Vec<u32> {
- sp_std::vec![V14, V15]
+pub fn supported_versions() -> alloc::vec::Vec<u32> {
+ alloc::vec![V14, V15]
}
/// Transform the IR to the latest stable metadata version.
diff --git a/substrate/primitives/mixnet/Cargo.toml b/substrate/primitives/mixnet/Cargo.toml
index 39cf684b9772a60f0b8b0932470ccdaf3e4d89ac..8ba7f36da43c144de727cba6f8d8427323be4320 100644
--- a/substrate/primitives/mixnet/Cargo.toml
+++ b/substrate/primitives/mixnet/Cargo.toml
@@ -20,7 +20,6 @@ codec = { package = "parity-scale-codec", version = "3.6.1", default-features =
scale-info = { version = "2.10.0", default-features = false, features = ["derive"] }
sp-api = { default-features = false, path = "../api" }
sp-application-crypto = { default-features = false, path = "../application-crypto" }
-sp-std = { default-features = false, path = "../std" }
[features]
default = ["std"]
@@ -29,5 +28,4 @@ std = [
"scale-info/std",
"sp-api/std",
"sp-application-crypto/std",
- "sp-std/std",
]
diff --git a/substrate/primitives/mixnet/src/lib.rs b/substrate/primitives/mixnet/src/lib.rs
index 58b8a10f0cd8d5d4198e6fcf7b75e09d4f639827..462d7fc61f217e7496f76b7113b3a62345a6288b 100644
--- a/substrate/primitives/mixnet/src/lib.rs
+++ b/substrate/primitives/mixnet/src/lib.rs
@@ -20,5 +20,7 @@
#![warn(missing_docs)]
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
pub mod runtime_api;
pub mod types;
diff --git a/substrate/primitives/mixnet/src/runtime_api.rs b/substrate/primitives/mixnet/src/runtime_api.rs
index 28ab40e633787545c4710043d746a9de3295d232..f3260782b0b9a42b15d2b68d705802186fc50cc5 100644
--- a/substrate/primitives/mixnet/src/runtime_api.rs
+++ b/substrate/primitives/mixnet/src/runtime_api.rs
@@ -18,7 +18,7 @@
//! Runtime API for querying mixnet configuration and registering mixnodes.
use super::types::{Mixnode, MixnodesErr, SessionIndex, SessionStatus};
-use sp_std::vec::Vec;
+use alloc::vec::Vec;
sp_api::decl_runtime_apis! {
/// API to query the mixnet session status and mixnode sets, and to register mixnodes.
diff --git a/substrate/primitives/mixnet/src/types.rs b/substrate/primitives/mixnet/src/types.rs
index fc214f94d1cbf2e4063efdf09dcdbc1e0aceb258..3b069e1fb3ad7f92dcd32867d2ffe51890579cf6 100644
--- a/substrate/primitives/mixnet/src/types.rs
+++ b/substrate/primitives/mixnet/src/types.rs
@@ -17,9 +17,9 @@
//! Mixnet types used by both host and runtime.
+use alloc::vec::Vec;
use codec::{Decode, Encode};
use scale_info::TypeInfo;
-use sp_std::vec::Vec;
mod app {
use sp_application_crypto::{app_crypto, key_types::MIXNET, sr25519};
@@ -90,8 +90,8 @@ pub enum MixnodesErr {
},
}
-impl sp_std::fmt::Display for MixnodesErr {
- fn fmt(&self, fmt: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
+impl core::fmt::Display for MixnodesErr {
+ fn fmt(&self, fmt: &mut core::fmt::Formatter) -> core::fmt::Result {
match self {
MixnodesErr::InsufficientRegistrations { num, min } =>
write!(fmt, "{num} mixnode(s) registered; {min} is the minimum"),
diff --git a/substrate/primitives/npos-elections/Cargo.toml b/substrate/primitives/npos-elections/Cargo.toml
index 7373aa849cb8d8f47fe3cffefd5302eee28a7dfb..b0b9890c061918aa25d5cc47129c7d1d29b1300d 100644
--- a/substrate/primitives/npos-elections/Cargo.toml
+++ b/substrate/primitives/npos-elections/Cargo.toml
@@ -22,7 +22,6 @@ serde = { features = ["alloc", "derive"], optional = true, workspace = true }
sp-arithmetic = { path = "../arithmetic", default-features = false }
sp-core = { path = "../core", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
[dev-dependencies]
rand = "0.8.5"
@@ -38,7 +37,6 @@ std = [
"sp-arithmetic/std",
"sp-core/std",
"sp-runtime/std",
- "sp-std/std",
]
# Serde support without relying on std features.
diff --git a/substrate/primitives/npos-elections/src/assignments.rs b/substrate/primitives/npos-elections/src/assignments.rs
index 2ac2b9bebd771cf480a36e128133387026681f7e..0686fdda643bd471b3cc2e23c5d6aa6b0222ca5e 100644
--- a/substrate/primitives/npos-elections/src/assignments.rs
+++ b/substrate/primitives/npos-elections/src/assignments.rs
@@ -18,6 +18,7 @@
//! Structs and helpers for distributing a voter's stake among various winners.
use crate::{ExtendedBalance, IdentifierT, PerThing128};
+use alloc::vec::Vec;
#[cfg(feature = "serde")]
use codec::{Decode, Encode};
use sp_arithmetic::{
@@ -25,7 +26,6 @@ use sp_arithmetic::{
Normalizable, PerThing,
};
use sp_core::RuntimeDebug;
-use sp_std::vec::Vec;
/// A voter's stake assignment among a set of targets, represented as ratios.
#[derive(RuntimeDebug, Clone, Default)]
diff --git a/substrate/primitives/npos-elections/src/balancing.rs b/substrate/primitives/npos-elections/src/balancing.rs
index 90dbe7eb7147817882eb85f9ba321619ac74150e..fb14c8686581977974145b4b082c2dc6d401182e 100644
--- a/substrate/primitives/npos-elections/src/balancing.rs
+++ b/substrate/primitives/npos-elections/src/balancing.rs
@@ -27,8 +27,8 @@
//! See [`balance`] for more information.
use crate::{BalancingConfig, Edge, ExtendedBalance, IdentifierT, Voter};
+use alloc::vec::Vec;
use sp_arithmetic::traits::Zero;
-use sp_std::prelude::*;
/// Balance the weight distribution of a given `voters` at most `iterations` times, or up until the
/// point where the biggest difference created per iteration of all stakes is `tolerance`. If this
diff --git a/substrate/primitives/npos-elections/src/helpers.rs b/substrate/primitives/npos-elections/src/helpers.rs
index 082491ea04281b5ebb73c33e7cb970ebc4c18071..7df6ec9d9dbaaffcf6e3966a7adf87cb521982b8 100644
--- a/substrate/primitives/npos-elections/src/helpers.rs
+++ b/substrate/primitives/npos-elections/src/helpers.rs
@@ -18,8 +18,8 @@
//! Helper methods for npos-elections.
use crate::{Assignment, Error, IdentifierT, PerThing128, StakedAssignment, VoteWeight};
+use alloc::vec::Vec;
use sp_arithmetic::PerThing;
-use sp_std::prelude::*;
/// Converts a vector of ratio assignments into ones with absolute budget value.
///
diff --git a/substrate/primitives/npos-elections/src/lib.rs b/substrate/primitives/npos-elections/src/lib.rs
index 8d741f4130d9ca724dc6a7566edf8ed6a483e7fa..82ac40fe273780ab33b84f752cea8a876f61b6a6 100644
--- a/substrate/primitives/npos-elections/src/lib.rs
+++ b/substrate/primitives/npos-elections/src/lib.rs
@@ -74,15 +74,16 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
+use alloc::{collections::btree_map::BTreeMap, rc::Rc, vec, vec::Vec};
use codec::{Decode, Encode, MaxEncodedLen};
+use core::{cell::RefCell, cmp::Ordering};
use scale_info::TypeInfo;
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use sp_arithmetic::{traits::Zero, Normalizable, PerThing, Rational128, ThresholdOrd};
use sp_core::{bounded::BoundedVec, RuntimeDebug};
-use sp_std::{
- cell::RefCell, cmp::Ordering, collections::btree_map::BTreeMap, prelude::*, rc::Rc, vec,
-};
#[cfg(test)]
mod mock;
@@ -198,7 +199,7 @@ impl ElectionScore {
}
}
-impl sp_std::cmp::Ord for ElectionScore {
+impl core::cmp::Ord for ElectionScore {
fn cmp(&self, other: &Self) -> Ordering {
// we delegate this to the lexicographic cmp of slices`, and to incorporate that we want the
// third element to be minimized, we swap them.
@@ -210,7 +211,7 @@ impl sp_std::cmp::Ord for ElectionScore {
}
}
-impl sp_std::cmp::PartialOrd for ElectionScore {
+impl core::cmp::PartialOrd for ElectionScore {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
@@ -278,8 +279,8 @@ impl<AccountId: Clone> Edge<AccountId> {
}
#[cfg(feature = "std")]
-impl<A: IdentifierT> sp_std::fmt::Debug for Edge<A> {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+impl<A: IdentifierT> core::fmt::Debug for Edge<A> {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "Edge({:?}, weight = {:?})", self.who, self.weight)
}
}
@@ -299,7 +300,7 @@ pub struct Voter<AccountId> {
#[cfg(feature = "std")]
impl<A: IdentifierT> std::fmt::Debug for Voter<A> {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+ fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
write!(f, "Voter({:?}, budget = {}, edges = {:?})", self.who, self.budget, self.edges)
}
}
diff --git a/substrate/primitives/npos-elections/src/mock.rs b/substrate/primitives/npos-elections/src/mock.rs
index 2fc49fd72cd03874c33ddfab637eb1870a3d52dc..91757404145f3e86e2dbe414441b567edea63638 100644
--- a/substrate/primitives/npos-elections/src/mock.rs
+++ b/substrate/primitives/npos-elections/src/mock.rs
@@ -19,12 +19,12 @@
#![cfg(test)]
+use alloc::collections::btree_map::BTreeMap;
use sp_arithmetic::{
traits::{One, SaturatedConversion, Zero},
PerThing,
};
use sp_runtime::assert_eq_error_rate;
-use sp_std::collections::btree_map::BTreeMap;
use crate::{seq_phragmen, Assignment, ElectionResult, ExtendedBalance, PerThing128, VoteWeight};
@@ -131,7 +131,7 @@ where
if let Some(winner) = candidates
.iter_mut()
.filter(|c| !c.elected)
- .min_by(|x, y| x.score.partial_cmp(&y.score).unwrap_or(sp_std::cmp::Ordering::Equal))
+ .min_by(|x, y| x.score.partial_cmp(&y.score).unwrap_or(core::cmp::Ordering::Equal))
{
winner.elected = true;
for n in &mut voters {
@@ -226,10 +226,10 @@ where
if backing_backed_stake.len() > 0 {
let max_stake = backing_backed_stake
.iter()
- .max_by(|x, y| x.partial_cmp(&y).unwrap_or(sp_std::cmp::Ordering::Equal))
+ .max_by(|x, y| x.partial_cmp(&y).unwrap_or(core::cmp::Ordering::Equal))
.expect("vector with positive length will have a max; qed");
let min_stake = backed_stakes_iter
- .min_by(|x, y| x.partial_cmp(&y).unwrap_or(sp_std::cmp::Ordering::Equal))
+ .min_by(|x, y| x.partial_cmp(&y).unwrap_or(core::cmp::Ordering::Equal))
.expect("iterator with positive length will have a min; qed");
difference = max_stake - min_stake;
@@ -254,7 +254,7 @@ where
support_map
.get(&x.0)
.and_then(|x| support_map.get(&y.0).and_then(|y| x.total.partial_cmp(&y.total)))
- .unwrap_or(sp_std::cmp::Ordering::Equal)
+ .unwrap_or(core::cmp::Ordering::Equal)
});
let mut cumulative_stake = 0.0;
diff --git a/substrate/primitives/npos-elections/src/node.rs b/substrate/primitives/npos-elections/src/node.rs
index caca9561d83970ec935ce8dc86d4415280dedfea..6fe50ad1d0acf124d2a91e86c666fe31046d442c 100644
--- a/substrate/primitives/npos-elections/src/node.rs
+++ b/substrate/primitives/npos-elections/src/node.rs
@@ -17,7 +17,8 @@
//! (very) Basic implementation of a graph node used in the reduce algorithm.
-use sp_std::{cell::RefCell, fmt, prelude::*, rc::Rc};
+use alloc::{rc::Rc, vec::Vec};
+use core::{cell::RefCell, fmt};
/// The role that a node can accept.
#[derive(PartialEq, Eq, Ord, PartialOrd, Clone, Debug)]
@@ -49,8 +50,8 @@ impl<A> NodeId<A> {
}
#[cfg(feature = "std")]
-impl<A: fmt::Debug> sp_std::fmt::Debug for NodeId<A> {
- fn fmt(&self, f: &mut fmt::Formatter<'_>) -> sp_std::fmt::Result {
+impl<A: fmt::Debug> fmt::Debug for NodeId<A> {
+ fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(
f,
"Node({:?}, {:?})",
diff --git a/substrate/primitives/npos-elections/src/phragmen.rs b/substrate/primitives/npos-elections/src/phragmen.rs
index c3578065f364cd9eac0a82bc7c6bbf5daef3b632..f331152e722a2205064e7ab291b445897758034c 100644
--- a/substrate/primitives/npos-elections/src/phragmen.rs
+++ b/substrate/primitives/npos-elections/src/phragmen.rs
@@ -24,12 +24,12 @@ use crate::{
balancing, setup_inputs, BalancingConfig, CandidatePtr, ElectionResult, ExtendedBalance,
IdentifierT, PerThing128, VoteWeight, Voter,
};
+use alloc::vec::Vec;
use sp_arithmetic::{
helpers_128bit::multiply_by_rational_with_rounding,
traits::{Bounded, Zero},
Rational128, Rounding,
};
-use sp_std::prelude::*;
/// The denominator used for loads. Since votes are collected as u64, the smallest ratio that we
/// might collect is `1/approval_stake` where approval stake is the sum of votes. Hence, some number
diff --git a/substrate/primitives/npos-elections/src/phragmms.rs b/substrate/primitives/npos-elections/src/phragmms.rs
index df6becf47472f6b6663f217ff6b8a08cd5bf78f9..9a17f0dfa7ce972531640887b2c4bc3e734c6bbe 100644
--- a/substrate/primitives/npos-elections/src/phragmms.rs
+++ b/substrate/primitives/npos-elections/src/phragmms.rs
@@ -25,8 +25,8 @@ use crate::{
balance, setup_inputs, BalancingConfig, CandidatePtr, ElectionResult, ExtendedBalance,
IdentifierT, PerThing128, VoteWeight, Voter,
};
+use alloc::{rc::Rc, vec, vec::Vec};
use sp_arithmetic::{traits::Bounded, PerThing, Rational128};
-use sp_std::{prelude::*, rc::Rc};
/// Execute the phragmms method.
///
@@ -232,8 +232,8 @@ pub(crate) fn apply_elected<AccountId: IdentifierT>(
mod tests {
use super::*;
use crate::{Assignment, ElectionResult};
+ use alloc::rc::Rc;
use sp_runtime::{Perbill, Percent};
- use sp_std::rc::Rc;
#[test]
fn basic_election_manual_works() {
diff --git a/substrate/primitives/npos-elections/src/pjr.rs b/substrate/primitives/npos-elections/src/pjr.rs
index f0e59a25d440b67f65656d7eb04f16743bc1c353..08e40a014eab79e00836be5c6d323b09b44b8f94 100644
--- a/substrate/primitives/npos-elections/src/pjr.rs
+++ b/substrate/primitives/npos-elections/src/pjr.rs
@@ -26,8 +26,8 @@ use crate::{
Candidate, CandidatePtr, Edge, ExtendedBalance, IdentifierT, Support, SupportMap, Supports,
VoteWeight, Voter,
};
+use alloc::{collections::btree_map::BTreeMap, rc::Rc, vec::Vec};
use sp_arithmetic::{traits::Zero, Perbill};
-use sp_std::{collections::btree_map::BTreeMap, rc::Rc, vec::Vec};
/// The type used as the threshold.
///
/// Just some reading sugar; Must always be same as [`ExtendedBalance`];
diff --git a/substrate/primitives/npos-elections/src/reduce.rs b/substrate/primitives/npos-elections/src/reduce.rs
index 6a5a0159e4efb9ee6d742d94adc1cc328c24aef1..c9ed493daf30895e86a28016a3ab0762c682b40b 100644
--- a/substrate/primitives/npos-elections/src/reduce.rs
+++ b/substrate/primitives/npos-elections/src/reduce.rs
@@ -51,11 +51,12 @@ use crate::{
node::{Node, NodeId, NodeRef, NodeRole},
ExtendedBalance, IdentifierT, StakedAssignment,
};
-use sp_arithmetic::traits::{Bounded, Zero};
-use sp_std::{
+use alloc::{
collections::btree_map::{BTreeMap, Entry::*},
- prelude::*,
+ vec,
+ vec::Vec,
};
+use sp_arithmetic::traits::{Bounded, Zero};
/// Map type used for reduce_4. Can be easily swapped with HashMap.
type Map<A> = BTreeMap<(A, A), A>;
diff --git a/substrate/primitives/npos-elections/src/traits.rs b/substrate/primitives/npos-elections/src/traits.rs
index d49970873b7072c364e1bf26d713a4498a92578b..afa6ac70880a5ac0f32e4c3b00ec8f40beefc52d 100644
--- a/substrate/primitives/npos-elections/src/traits.rs
+++ b/substrate/primitives/npos-elections/src/traits.rs
@@ -18,8 +18,8 @@
//! Traits for the npos-election operations.
use crate::ExtendedBalance;
+use core::{fmt::Debug, ops::Mul};
use sp_arithmetic::PerThing;
-use sp_std::{fmt::Debug, ops::Mul, prelude::*};
/// an aggregator trait for a generic type of a voter/target identifier. This usually maps to
/// substrate's account id.
diff --git a/substrate/primitives/session/Cargo.toml b/substrate/primitives/session/Cargo.toml
index 99764c0a17f92b4772ee64a134633403835b1348..784228c42e9bf3bd245e77b74e10f78e26bdd53d 100644
--- a/substrate/primitives/session/Cargo.toml
+++ b/substrate/primitives/session/Cargo.toml
@@ -22,7 +22,6 @@ sp-api = { path = "../api", default-features = false }
sp-core = { path = "../core", default-features = false }
sp-runtime = { path = "../runtime", optional = true }
sp-staking = { path = "../staking", default-features = false }
-sp-std = { path = "../std", default-features = false }
sp-keystore = { path = "../keystore", optional = true }
[features]
@@ -35,5 +34,4 @@ std = [
"sp-keystore/std",
"sp-runtime/std",
"sp-staking/std",
- "sp-std/std",
]
diff --git a/substrate/primitives/session/src/lib.rs b/substrate/primitives/session/src/lib.rs
index 9933495fd60135c826d822cc3d3e1471492797fb..fe7a38047338d92d18e5427587c7e46bdee11829 100644
--- a/substrate/primitives/session/src/lib.rs
+++ b/substrate/primitives/session/src/lib.rs
@@ -19,6 +19,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
use codec::{Decode, Encode};
#[cfg(feature = "std")]
@@ -26,9 +28,9 @@ use sp_api::ProvideRuntimeApi;
#[cfg(feature = "std")]
use sp_runtime::traits::Block as BlockT;
+use alloc::vec::Vec;
use sp_core::RuntimeDebug;
use sp_staking::SessionIndex;
-use sp_std::vec::Vec;
pub mod runtime_api;
pub use runtime_api::*;
diff --git a/substrate/primitives/session/src/runtime_api.rs b/substrate/primitives/session/src/runtime_api.rs
index 5e508cd3dbd3872bc5a5cf99b80e0eed1f755116..3acc882aabcff943fc78d886d0c6a112d9687e00 100644
--- a/substrate/primitives/session/src/runtime_api.rs
+++ b/substrate/primitives/session/src/runtime_api.rs
@@ -15,8 +15,8 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+use alloc::vec::Vec;
pub use sp_core::crypto::KeyTypeId;
-use sp_std::prelude::*;
sp_api::decl_runtime_apis! {
/// Session keys runtime api.
diff --git a/substrate/primitives/staking/Cargo.toml b/substrate/primitives/staking/Cargo.toml
index 21346fbaca5383554d1285ceeaba43815b81857a..6304551b8e60e3e2c9030b2addcc83f3e95b01de 100644
--- a/substrate/primitives/staking/Cargo.toml
+++ b/substrate/primitives/staking/Cargo.toml
@@ -23,7 +23,6 @@ impl-trait-for-tuples = "0.2.2"
sp-core = { path = "../core", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
@@ -33,6 +32,5 @@ std = [
"serde/std",
"sp-core/std",
"sp-runtime/std",
- "sp-std/std",
]
runtime-benchmarks = ["sp-runtime/runtime-benchmarks"]
diff --git a/substrate/primitives/staking/src/lib.rs b/substrate/primitives/staking/src/lib.rs
index f5b4a1ed63fb3da2e9d69f51f8bc10355dbd0730..11b7ef41b9a7b06e1b67d43abb58e9aacc33d8ab 100644
--- a/substrate/primitives/staking/src/lib.rs
+++ b/substrate/primitives/staking/src/lib.rs
@@ -20,14 +20,17 @@
//! A crate which contains primitives that are useful for implementation that uses staking
//! approaches in general. Definitions related to sessions, slashing, etc go here.
+extern crate alloc;
+
use crate::currency_to_vote::CurrencyToVote;
+use alloc::{collections::btree_map::BTreeMap, vec, vec::Vec};
use codec::{Decode, Encode, FullCodec, HasCompact, MaxEncodedLen};
+use core::ops::Sub;
use scale_info::TypeInfo;
use sp_runtime::{
traits::{AtLeast32BitUnsigned, Zero},
DispatchError, DispatchResult, RuntimeDebug, Saturating,
};
-use sp_std::{collections::btree_map::BTreeMap, ops::Sub, vec, vec::Vec};
pub mod offence;
@@ -172,7 +175,7 @@ pub trait StakingInterface {
+ Saturating;
/// AccountId type used by the staking system.
- type AccountId: Clone + sp_std::fmt::Debug;
+ type AccountId: Clone + core::fmt::Debug;
/// Means of converting Currency to VoteWeight.
type CurrencyToVote: CurrencyToVote<Self::Balance>;
diff --git a/substrate/primitives/staking/src/offence.rs b/substrate/primitives/staking/src/offence.rs
index 8013166374e064ab1b573e57991449567e3845da..64aa4692eb592733a87a1bdf3dd2c934516ce102 100644
--- a/substrate/primitives/staking/src/offence.rs
+++ b/substrate/primitives/staking/src/offence.rs
@@ -18,10 +18,10 @@
//! Common traits and types that are useful for describing offences for usage in environments
//! that use staking.
+use alloc::vec::Vec;
use codec::{Decode, Encode};
use sp_core::Get;
use sp_runtime::{transaction_validity::TransactionValidityError, DispatchError, Perbill};
-use sp_std::vec::Vec;
use crate::SessionIndex;
diff --git a/substrate/primitives/state-machine/Cargo.toml b/substrate/primitives/state-machine/Cargo.toml
index 09994f1ae91e1c9a7dba2faf169870f08a640b22..aaedb500b59cc1155c61fcf50732777e4e5c8ad4 100644
--- a/substrate/primitives/state-machine/Cargo.toml
+++ b/substrate/primitives/state-machine/Cargo.toml
@@ -28,7 +28,6 @@ tracing = { version = "0.1.29", optional = true }
sp-core = { path = "../core", default-features = false }
sp-externalities = { path = "../externalities", default-features = false }
sp-panic-handler = { path = "../panic-handler", optional = true }
-sp-std = { path = "../std", default-features = false }
sp-trie = { path = "../trie", default-features = false }
trie-db = { version = "0.28.0", default-features = false }
@@ -51,7 +50,6 @@ std = [
"sp-externalities/std",
"sp-panic-handler",
"sp-runtime/std",
- "sp-std/std",
"sp-trie/std",
"thiserror",
"tracing",
diff --git a/substrate/primitives/state-machine/src/backend.rs b/substrate/primitives/state-machine/src/backend.rs
index ea9cd442d70ba55056d2ebdc27fa1eb26d0ba9c9..90be55d58a4ed87aa31b875ab0ffd13a7d2ea78a 100644
--- a/substrate/primitives/state-machine/src/backend.rs
+++ b/substrate/primitives/state-machine/src/backend.rs
@@ -23,13 +23,13 @@ use crate::{
trie_backend_essence::TrieBackendStorage, ChildStorageCollection, StorageCollection,
StorageKey, StorageValue, UsageInfo,
};
+use alloc::vec::Vec;
use codec::Encode;
use core::marker::PhantomData;
use hash_db::Hasher;
use sp_core::storage::{ChildInfo, StateVersion, TrackedStorageKey};
#[cfg(feature = "std")]
use sp_core::traits::RuntimeCode;
-use sp_std::vec::Vec;
use sp_trie::{MerkleValue, PrefixedMemoryDB};
/// A struct containing arguments for iterating over the storage.
@@ -179,7 +179,7 @@ pub type BackendTransaction<H> = PrefixedMemoryDB<H>;
/// to it.
///
/// The clone operation (if implemented) should be cheap.
-pub trait Backend<H: Hasher>: sp_std::fmt::Debug {
+pub trait Backend<H: Hasher>: core::fmt::Debug {
/// An error type when fetching data is not possible.
type Error: super::Error;
diff --git a/substrate/primitives/state-machine/src/ext.rs b/substrate/primitives/state-machine/src/ext.rs
index 11df46f2a4a3a901753c10a5acf1b6535e61f8ea..73110f55cba2e6a83ab19d59678d533ae4ddc09b 100644
--- a/substrate/primitives/state-machine/src/ext.rs
+++ b/substrate/primitives/state-machine/src/ext.rs
@@ -32,12 +32,10 @@ use sp_core::storage::{
use sp_externalities::{Extension, ExtensionStore, Externalities, MultiRemovalResults};
use crate::{log_error, trace, warn};
-use sp_std::{
+use alloc::{boxed::Box, vec, vec::Vec};
+use core::{
any::{Any, TypeId},
- boxed::Box,
cmp::Ordering,
- vec,
- vec::Vec,
};
#[cfg(feature = "std")]
use std::error;
@@ -739,7 +737,7 @@ impl<'a> StorageAppend<'a> {
pub fn append(&mut self, value: Vec<u8>) {
let value = vec![EncodeOpaqueValue(value)];
- let item = sp_std::mem::take(self.0);
+ let item = core::mem::take(self.0);
*self.0 = match Vec::<EncodeOpaqueValue>::append_or_new(item, &value) {
Ok(item) => item,
diff --git a/substrate/primitives/state-machine/src/lib.rs b/substrate/primitives/state-machine/src/lib.rs
index 5909a30a814c32686acbb6c369831a6d43649a5d..200cebe68de5de33216041802c64ecfd19d8e537 100644
--- a/substrate/primitives/state-machine/src/lib.rs
+++ b/substrate/primitives/state-machine/src/lib.rs
@@ -20,6 +20,8 @@
#![warn(missing_docs)]
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
pub mod backend;
#[cfg(feature = "std")]
mod basic;
@@ -118,8 +120,8 @@ pub type DefaultError = String;
pub struct DefaultError;
#[cfg(not(feature = "std"))]
-impl sp_std::fmt::Display for DefaultError {
- fn fmt(&self, f: &mut sp_std::fmt::Formatter) -> sp_std::fmt::Result {
+impl core::fmt::Display for DefaultError {
+ fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
write!(f, "DefaultError")
}
}
diff --git a/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs b/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs
index 59589dbbb37e8c37022ab176df0b02c25d53b3b6..a25a5b810522d63c4888f973316c4d05dfbf599e 100644
--- a/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs
+++ b/substrate/primitives/state-machine/src/overlayed_changes/changeset.rs
@@ -20,16 +20,14 @@
use super::{Extrinsics, StorageKey, StorageValue};
#[cfg(not(feature = "std"))]
-use sp_std::collections::btree_set::BTreeSet as Set;
+use alloc::collections::btree_set::BTreeSet as Set;
#[cfg(feature = "std")]
use std::collections::HashSet as Set;
use crate::warn;
+use alloc::collections::{btree_map::BTreeMap, btree_set::BTreeSet};
+use core::hash::Hash;
use smallvec::SmallVec;
-use sp_std::{
- collections::{btree_map::BTreeMap, btree_set::BTreeSet},
- hash::Hash,
-};
const PROOF_OVERLAY_NON_EMPTY: &str = "\
An OverlayValue is always created with at least one transaction and dropped as soon
@@ -225,7 +223,7 @@ impl<K: Ord + Hash + Clone, V> OverlayedMap<K, V> {
/// This changeset might be created when there are already open transactions.
/// We need to catch up here so that the child is at the same transaction depth.
pub fn spawn_child(&self) -> Self {
- use sp_std::iter::repeat;
+ use core::iter::repeat;
Self {
changes: Default::default(),
dirty_keys: repeat(Set::new()).take(self.transaction_depth()).collect(),
@@ -242,7 +240,7 @@ impl<K: Ord + Hash + Clone, V> OverlayedMap<K, V> {
/// Get an optional reference to the value stored for the specified key.
pub fn get<Q>(&self, key: &Q) -> Option<&OverlayedEntry<V>>
where
- K: sp_std::borrow::Borrow<Q>,
+ K: core::borrow::Borrow<Q>,
Q: Ord + ?Sized,
{
self.changes.get(key)
@@ -448,7 +446,7 @@ impl OverlayedChangeSet {
/// Get the iterator over all changes that follow the supplied `key`.
pub fn changes_after(&self, key: &[u8]) -> impl Iterator<Item = (&[u8], &OverlayedValue)> {
- use sp_std::ops::Bound;
+ use core::ops::Bound;
let range = (Bound::Excluded(key), Bound::Unbounded);
self.changes.range::<[u8], _>(range).map(|(k, v)| (k.as_slice(), v))
}
diff --git a/substrate/primitives/state-machine/src/overlayed_changes/mod.rs b/substrate/primitives/state-machine/src/overlayed_changes/mod.rs
index 626cf6c3cafe128c98f6c5bedfe5d6cbe1ab958d..039631e4a63038834c502531a1283b0d12ea3f0f 100644
--- a/substrate/primitives/state-machine/src/overlayed_changes/mod.rs
+++ b/substrate/primitives/state-machine/src/overlayed_changes/mod.rs
@@ -22,6 +22,7 @@ mod offchain;
use self::changeset::OverlayedChangeSet;
use crate::{backend::Backend, stats::StateMachineStats, BackendTransaction, DefaultError};
+use alloc::{collections::btree_set::BTreeSet, vec::Vec};
use codec::{Decode, Encode};
use hash_db::Hasher;
pub use offchain::OffchainOverlayedChanges;
@@ -31,12 +32,13 @@ use sp_core::{
};
#[cfg(feature = "std")]
use sp_externalities::{Extension, Extensions};
-#[cfg(not(feature = "std"))]
-use sp_std::collections::btree_map::BTreeMap as Map;
-use sp_std::{collections::btree_set::BTreeSet, vec::Vec};
use sp_trie::{empty_child_trie_root, LayoutV1};
+
+#[cfg(not(feature = "std"))]
+use alloc::collections::btree_map::BTreeMap as Map;
#[cfg(feature = "std")]
use std::collections::{hash_map::Entry as MapEntry, HashMap as Map};
+
#[cfg(feature = "std")]
use std::{
any::{Any, TypeId},
@@ -136,7 +138,7 @@ impl<H: Hasher> Clone for OverlayedChanges<H> {
}
}
-impl<H: Hasher> sp_std::fmt::Debug for OverlayedChanges<H> {
+impl<H: Hasher> core::fmt::Debug for OverlayedChanges<H> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
f.debug_struct("OverlayedChanges")
.field("top", &self.top)
@@ -259,7 +261,7 @@ impl<H: Hasher> Clone for StorageTransactionCache<H> {
}
}
-impl<H: Hasher> sp_std::fmt::Debug for StorageTransactionCache<H> {
+impl<H: Hasher> core::fmt::Debug for StorageTransactionCache<H> {
fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
let mut debug = f.debug_struct("StorageTransactionCache");
@@ -572,7 +574,7 @@ impl<H: Hasher> OverlayedChanges<H> {
},
};
- use sp_std::mem::take;
+ use core::mem::take;
let main_storage_changes = take(&mut self.top).drain_commited();
let child_storage_changes = take(&mut self.children)
.into_iter()
@@ -777,7 +779,7 @@ where
K: Ord,
F: FnMut(&K, &mut V) -> bool,
{
- let old = sp_std::mem::replace(map, Map::default());
+ let old = core::mem::replace(map, Map::default());
for (k, mut v) in old.into_iter() {
if f(&k, &mut v) {
map.insert(k, v);
diff --git a/substrate/primitives/state-machine/src/overlayed_changes/offchain.rs b/substrate/primitives/state-machine/src/overlayed_changes/offchain.rs
index 66e7ab5864c065f4d335b7daae9e3c686d9c3ec8..1e6965e874759e30b415783a560192af8412027d 100644
--- a/substrate/primitives/state-machine/src/overlayed_changes/offchain.rs
+++ b/substrate/primitives/state-machine/src/overlayed_changes/offchain.rs
@@ -18,8 +18,8 @@
//! Overlayed changes for offchain indexing.
use super::changeset::OverlayedMap;
+use alloc::vec::Vec;
use sp_core::offchain::OffchainOverlayedChange;
-use sp_std::prelude::Vec;
/// In-memory storage for offchain workers recoding changes for the actual offchain storage
/// implementation.
@@ -48,7 +48,7 @@ impl OffchainOverlayedChanges {
/// Drain all elements of changeset.
pub fn drain(&mut self) -> impl Iterator<Item = OffchainOverlayedChangesItemOwned> {
- sp_std::mem::take(self).into_iter()
+ core::mem::take(self).into_iter()
}
/// Remove a key and its associated value from the offchain database.
diff --git a/substrate/primitives/state-machine/src/trie_backend.rs b/substrate/primitives/state-machine/src/trie_backend.rs
index 7496463e642100dd6cd6908525e29ee5fc34bf9a..f91ce5d2e52f6df1a4a3f61231691e9105118167 100644
--- a/substrate/primitives/state-machine/src/trie_backend.rs
+++ b/substrate/primitives/state-machine/src/trie_backend.rs
@@ -297,7 +297,7 @@ struct CachedIter<S, H, C, R>
where
H: Hasher,
{
- last_key: sp_std::vec::Vec<u8>,
+ last_key: alloc::vec::Vec<u8>,
iter: RawIter<S, H, C, R>,
}
@@ -390,9 +390,9 @@ where
}
impl<S: TrieBackendStorage<H>, H: Hasher, C: TrieCacheProvider<H>, R: TrieRecorderProvider<H>>
- sp_std::fmt::Debug for TrieBackend<S, H, C, R>
+ core::fmt::Debug for TrieBackend<S, H, C, R>
{
- fn fmt(&self, f: &mut sp_std::fmt::Formatter<'_>) -> sp_std::fmt::Result {
+ fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
write!(f, "TrieBackend")
}
}
diff --git a/substrate/primitives/state-machine/src/trie_backend_essence.rs b/substrate/primitives/state-machine/src/trie_backend_essence.rs
index 3f789111deeffe27ea4e8d8f7c47de8ea61eb082..1824a77c37040b00455379505ad2a542de1c8f89 100644
--- a/substrate/primitives/state-machine/src/trie_backend_essence.rs
+++ b/substrate/primitives/state-machine/src/trie_backend_essence.rs
@@ -23,14 +23,15 @@ use crate::{
trie_backend::TrieCacheProvider,
warn, StorageKey, StorageValue,
};
+#[cfg(feature = "std")]
+use alloc::sync::Arc;
+use alloc::{boxed::Box, vec::Vec};
use codec::Codec;
+use core::marker::PhantomData;
use hash_db::{self, AsHashDB, HashDB, HashDBRef, Hasher, Prefix};
#[cfg(feature = "std")]
use parking_lot::RwLock;
use sp_core::storage::{ChildInfo, ChildType, StateVersion};
-#[cfg(feature = "std")]
-use sp_std::sync::Arc;
-use sp_std::{boxed::Box, marker::PhantomData, vec::Vec};
use sp_trie::{
child_delta_trie_root, delta_trie_root, empty_child_trie_root,
read_child_trie_first_descedant_value, read_child_trie_hash, read_child_trie_value,
@@ -55,7 +56,7 @@ macro_rules! format {
};
}
-type Result<V> = sp_std::result::Result<V, crate::DefaultError>;
+type Result<V> = core::result::Result<V, crate::DefaultError>;
/// Patricia trie-based storage trait.
pub trait Storage<H: Hasher>: Send + Sync {
diff --git a/substrate/primitives/statement-store/Cargo.toml b/substrate/primitives/statement-store/Cargo.toml
index 652ab3ef13aa695f13c9b9c0a525b3f90dff8f0c..000fcd9870403872b1399466324eb18f728f2b41 100644
--- a/substrate/primitives/statement-store/Cargo.toml
+++ b/substrate/primitives/statement-store/Cargo.toml
@@ -21,7 +21,6 @@ scale-info = { version = "2.10.0", default-features = false, features = ["derive
sp-core = { path = "../core", default-features = false }
sp-crypto-hashing = { path = "../crypto/hashing", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
sp-api = { path = "../api", default-features = false }
sp-application-crypto = { path = "../application-crypto", default-features = false }
sp-runtime-interface = { path = "../runtime-interface", default-features = false }
@@ -57,7 +56,6 @@ std = [
"sp-externalities/std",
"sp-runtime-interface/std",
"sp-runtime/std",
- "sp-std/std",
"thiserror",
"x25519-dalek",
]
diff --git a/substrate/primitives/statement-store/src/lib.rs b/substrate/primitives/statement-store/src/lib.rs
index 04175f6d6160e50985673338c7b187539570bdfa..bfcd0d1a52a245102d859a0a63ebc5b4cec4ecf5 100644
--- a/substrate/primitives/statement-store/src/lib.rs
+++ b/substrate/primitives/statement-store/src/lib.rs
@@ -20,13 +20,15 @@
//! A crate which contains statement-store primitives.
+extern crate alloc;
+
+use alloc::vec::Vec;
use codec::{Decode, Encode};
use scale_info::TypeInfo;
use sp_application_crypto::RuntimeAppPublic;
#[cfg(feature = "std")]
use sp_core::Pair;
use sp_runtime_interface::pass_by::PassByCodec;
-use sp_std::vec::Vec;
/// Statement topic.
pub type Topic = [u8; 32];
diff --git a/substrate/primitives/statement-store/src/runtime_api.rs b/substrate/primitives/statement-store/src/runtime_api.rs
index 13f88bc977e9efc8f9be5f9fdcfdd8ac098c8de2..4d25576c801fa608aed18884bbe9b9ca7b5023de 100644
--- a/substrate/primitives/statement-store/src/runtime_api.rs
+++ b/substrate/primitives/statement-store/src/runtime_api.rs
@@ -18,11 +18,11 @@
//! Runtime support for the statement store.
use crate::{Hash, Statement, Topic};
+use alloc::vec::Vec;
use codec::{Decode, Encode};
use scale_info::TypeInfo;
use sp_runtime::RuntimeDebug;
use sp_runtime_interface::{pass_by::PassByEnum, runtime_interface};
-use sp_std::vec::Vec;
#[cfg(feature = "std")]
use sp_externalities::ExternalitiesExt;
diff --git a/substrate/primitives/storage/Cargo.toml b/substrate/primitives/storage/Cargo.toml
index d3ade87ea47f848e8036ce0a4d374fa4d77184b2..acedc8d0004970fc10f5771ba4b4e2cb87a55198 100644
--- a/substrate/primitives/storage/Cargo.toml
+++ b/substrate/primitives/storage/Cargo.toml
@@ -22,7 +22,6 @@ impl-serde = { version = "0.4.0", optional = true, default-features = false }
ref-cast = "1.0.0"
serde = { features = ["alloc", "derive"], optional = true, workspace = true }
sp-debug-derive = { path = "../debug-derive", default-features = false }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
@@ -31,7 +30,6 @@ std = [
"impl-serde/std",
"serde/std",
"sp-debug-derive/std",
- "sp-std/std",
]
# Serde support without relying on std features.
diff --git a/substrate/primitives/storage/src/lib.rs b/substrate/primitives/storage/src/lib.rs
index 79c090cabf8dbd686f6b92e3770c1944ed1feb05..b55cc8f21740509b98f535c3f66e3dc5ece26ead 100644
--- a/substrate/primitives/storage/src/lib.rs
+++ b/substrate/primitives/storage/src/lib.rs
@@ -19,18 +19,19 @@
#![cfg_attr(not(feature = "std"), no_std)]
-use core::fmt::Display;
+extern crate alloc;
#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};
use sp_debug_derive::RuntimeDebug;
+use alloc::vec::Vec;
use codec::{Decode, Encode};
-use ref_cast::RefCast;
-use sp_std::{
+use core::{
+ fmt::Display,
ops::{Deref, DerefMut},
- vec::Vec,
};
+use ref_cast::RefCast;
/// Storage key.
#[derive(PartialEq, Eq, RuntimeDebug)]
@@ -49,9 +50,7 @@ impl AsRef<[u8]> for StorageKey {
}
/// Storage key with read/write tracking information.
-#[derive(
- PartialEq, Eq, Ord, PartialOrd, sp_std::hash::Hash, RuntimeDebug, Clone, Encode, Decode,
-)]
+#[derive(PartialEq, Eq, Ord, PartialOrd, core::hash::Hash, RuntimeDebug, Clone, Encode, Decode)]
pub struct TrackedStorageKey {
pub key: Vec<u8>,
pub reads: u32,
@@ -441,7 +440,7 @@ impl From<StateVersion> for u8 {
impl TryFrom<u8> for StateVersion {
type Error = ();
- fn try_from(val: u8) -> sp_std::result::Result<StateVersion, ()> {
+ fn try_from(val: u8) -> core::result::Result<StateVersion, ()> {
match val {
0 => Ok(StateVersion::V0),
1 => Ok(StateVersion::V1),
diff --git a/substrate/primitives/test-primitives/Cargo.toml b/substrate/primitives/test-primitives/Cargo.toml
index f310216dd58d737be7cde512d3fbdf27f4fbda25..1b51c5f591904335d547a052a7b035ea3f6cd108 100644
--- a/substrate/primitives/test-primitives/Cargo.toml
+++ b/substrate/primitives/test-primitives/Cargo.toml
@@ -21,7 +21,6 @@ serde = { features = ["derive"], optional = true, workspace = true }
sp-application-crypto = { path = "../application-crypto", default-features = false }
sp-core = { path = "../core", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
@@ -32,7 +31,6 @@ std = [
"sp-application-crypto/std",
"sp-core/std",
"sp-runtime/std",
- "sp-std/std",
]
# Serde support without relying on std features.
diff --git a/substrate/primitives/test-primitives/src/lib.rs b/substrate/primitives/test-primitives/src/lib.rs
index 82bdb6967b842914799493c6143a2287c85919e7..1e3b912eaf48911a3d9ca2ce6d93dec917482071 100644
--- a/substrate/primitives/test-primitives/src/lib.rs
+++ b/substrate/primitives/test-primitives/src/lib.rs
@@ -19,14 +19,16 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
use codec::{Decode, Encode};
pub use sp_application_crypto;
use sp_application_crypto::sr25519;
+use alloc::vec::Vec;
pub use sp_core::{hash::H256, RuntimeDebug};
use sp_runtime::traits::{BlakeTwo256, Extrinsic as ExtrinsicT, Verify};
-use sp_std::vec::Vec;
/// Extrinsic for test-runtime.
#[derive(Clone, PartialEq, Eq, Encode, Decode, RuntimeDebug, scale_info::TypeInfo)]
diff --git a/substrate/primitives/timestamp/Cargo.toml b/substrate/primitives/timestamp/Cargo.toml
index 9e2b802bfb15e2e89169923d2e6f4274d2cdf1f2..11afb1755908880fc63a52abb1a659609acddccd 100644
--- a/substrate/primitives/timestamp/Cargo.toml
+++ b/substrate/primitives/timestamp/Cargo.toml
@@ -21,7 +21,6 @@ codec = { package = "parity-scale-codec", version = "3.6.1", default-features =
thiserror = { optional = true, workspace = true }
sp-inherents = { path = "../inherents", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
@@ -30,6 +29,5 @@ std = [
"codec/std",
"sp-inherents/std",
"sp-runtime/std",
- "sp-std/std",
"thiserror",
]
diff --git a/substrate/primitives/tracing/Cargo.toml b/substrate/primitives/tracing/Cargo.toml
index 58b1e48c4622c3b2ddd97072a7e2c3524110e613..368f8c096dd4a5f193521514e5a784ccc4122657 100644
--- a/substrate/primitives/tracing/Cargo.toml
+++ b/substrate/primitives/tracing/Cargo.toml
@@ -21,7 +21,6 @@ features = ["with-tracing"]
targets = ["wasm32-unknown-unknown", "x86_64-unknown-linux-gnu"]
[dependencies]
-sp-std = { path = "../std", default-features = false }
codec = { version = "3.6.1", package = "parity-scale-codec", default-features = false, features = [
"derive",
] }
@@ -36,7 +35,6 @@ default = ["std"]
with-tracing = ["codec/derive", "codec/full"]
std = [
"codec/std",
- "sp-std/std",
"tracing-core/std",
"tracing-subscriber",
"tracing/std",
diff --git a/substrate/primitives/tracing/src/lib.rs b/substrate/primitives/tracing/src/lib.rs
index cc65183684667b404d88a2b61ef6105f176b6336..b8b99230db574aea93fce3a3bdcdc2822c602e28 100644
--- a/substrate/primitives/tracing/src/lib.rs
+++ b/substrate/primitives/tracing/src/lib.rs
@@ -37,6 +37,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
#[cfg(feature = "std")]
use tracing;
pub use tracing::{
diff --git a/substrate/primitives/tracing/src/types.rs b/substrate/primitives/tracing/src/types.rs
index 003787f310d8c73637189189e58297b2bc5345e4..3692a81e03c8efde1fadc48b74c10481f3632143 100644
--- a/substrate/primitives/tracing/src/types.rs
+++ b/substrate/primitives/tracing/src/types.rs
@@ -15,11 +15,11 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+use alloc::{vec, vec::Vec};
use codec::{Decode, Encode};
/// Types for wasm based tracing. Loosly inspired by `tracing-core` but
/// optimised for the specific use case.
use core::{fmt::Debug, format_args};
-use sp_std::{vec, vec::Vec, Writer};
/// The Tracing Level – the user can filter by this
#[derive(Clone, Encode, Decode, Debug)]
@@ -132,9 +132,9 @@ impl From<bool> for WasmValue {
impl From<core::fmt::Arguments<'_>> for WasmValue {
fn from(inp: core::fmt::Arguments<'_>) -> WasmValue {
- let mut buf = Writer::default();
+ let mut buf = alloc::string::String::default();
core::fmt::write(&mut buf, inp).expect("Writing of arguments doesn't fail");
- WasmValue::Formatted(buf.into_inner())
+ WasmValue::Formatted(buf.into_bytes())
}
}
diff --git a/substrate/primitives/transaction-pool/src/lib.rs b/substrate/primitives/transaction-pool/src/lib.rs
index 431f429e29f9f12545375e799d753dd9c5864850..2ce735491b2c9e087147c01231c3feb59bcd743c 100644
--- a/substrate/primitives/transaction-pool/src/lib.rs
+++ b/substrate/primitives/transaction-pool/src/lib.rs
@@ -20,4 +20,6 @@
#![warn(missing_docs)]
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
pub mod runtime_api;
diff --git a/substrate/primitives/transaction-storage-proof/Cargo.toml b/substrate/primitives/transaction-storage-proof/Cargo.toml
index e2fb54dafdf1c97f5ebc0bb8662a213803f0901e..fbd0a4752fca988fbe2e3a18228ad3fb754993dd 100644
--- a/substrate/primitives/transaction-storage-proof/Cargo.toml
+++ b/substrate/primitives/transaction-storage-proof/Cargo.toml
@@ -22,7 +22,6 @@ scale-info = { version = "2.10.0", default-features = false, features = ["derive
sp-core = { path = "../core", optional = true }
sp-inherents = { path = "../inherents", default-features = false }
sp-runtime = { path = "../runtime", default-features = false }
-sp-std = { path = "../std", default-features = false }
sp-trie = { path = "../trie", optional = true }
[features]
@@ -34,6 +33,5 @@ std = [
"sp-core/std",
"sp-inherents/std",
"sp-runtime/std",
- "sp-std/std",
"sp-trie/std",
]
diff --git a/substrate/primitives/transaction-storage-proof/src/lib.rs b/substrate/primitives/transaction-storage-proof/src/lib.rs
index 9d540ae68d163f3d9477c121ec616b7db1dd0c78..352f2aec26ee6ad8a9b8be3c5ded5349f6b65585 100644
--- a/substrate/primitives/transaction-storage-proof/src/lib.rs
+++ b/substrate/primitives/transaction-storage-proof/src/lib.rs
@@ -20,8 +20,11 @@
#![cfg_attr(not(feature = "std"), no_std)]
-use sp_std::{prelude::*, result::Result};
+extern crate alloc;
+use core::result::Result;
+
+use alloc::vec::Vec;
use codec::{Decode, Encode};
use sp_inherents::{InherentData, InherentIdentifier, IsFatalError};
use sp_runtime::traits::{Block as BlockT, NumberFor};
diff --git a/substrate/primitives/trie/Cargo.toml b/substrate/primitives/trie/Cargo.toml
index 16d3ca19a179ce97bbc2c5c42023ceb54bf8b32b..dd7ab080e5f4d3cda170ec6f8c8c6be55b8a46b3 100644
--- a/substrate/primitives/trie/Cargo.toml
+++ b/substrate/primitives/trie/Cargo.toml
@@ -35,7 +35,6 @@ tracing = { version = "0.1.29", optional = true }
trie-db = { version = "0.28.0", default-features = false }
trie-root = { version = "0.18.0", default-features = false }
sp-core = { path = "../core", default-features = false }
-sp-std = { path = "../std", default-features = false }
sp-externalities = { path = "../externalities", default-features = false }
schnellru = { version = "0.2.1", optional = true }
@@ -62,7 +61,6 @@ std = [
"sp-core/std",
"sp-externalities/std",
"sp-runtime/std",
- "sp-std/std",
"thiserror",
"tracing",
"trie-db/std",
diff --git a/substrate/primitives/trie/src/error.rs b/substrate/primitives/trie/src/error.rs
index 17be556d3489ab03856a66498ba69de165a1a191..e3986e50b08ef5e0565f09636bc4ab90489a551f 100644
--- a/substrate/primitives/trie/src/error.rs
+++ b/substrate/primitives/trie/src/error.rs
@@ -15,7 +15,7 @@
// See the License for the specific language governing permissions and
// limitations under the License.
-use sp_std::{boxed::Box, vec::Vec};
+use alloc::{boxed::Box, vec::Vec};
/// Error type used for trie related errors.
#[derive(Debug, PartialEq, Eq, Clone)]
diff --git a/substrate/primitives/trie/src/lib.rs b/substrate/primitives/trie/src/lib.rs
index fd1320b3fbcb1a6c0aa7c7ece504ec2da7c34c24..81b37a0c9a6ca14ec901ff38d53992dd25f8f81f 100644
--- a/substrate/primitives/trie/src/lib.rs
+++ b/substrate/primitives/trie/src/lib.rs
@@ -19,6 +19,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
#[cfg(feature = "std")]
pub mod cache;
mod error;
@@ -33,6 +35,8 @@ mod trie_stream;
#[cfg(feature = "std")]
pub mod proof_size_extension;
+use alloc::{borrow::Borrow, boxed::Box, vec, vec::Vec};
+use core::marker::PhantomData;
/// Our `NodeCodec`-specific error.
pub use error::Error;
/// Various re-exports from the `hash-db` crate.
@@ -42,7 +46,6 @@ use hash_db::{Hasher, Prefix};
pub use memory_db::{prefixed_key, HashKey, KeyFunction, PrefixedKey};
/// The Substrate format implementation of `NodeCodec`.
pub use node_codec::NodeCodec;
-use sp_std::{borrow::Borrow, boxed::Box, marker::PhantomData, vec::Vec};
pub use storage_proof::{CompactProof, StorageProof};
/// Trie codec reexport, mainly child trie support
/// for trie compact proof.
@@ -500,7 +503,7 @@ pub struct KeySpacedDBMut<'a, DB: ?Sized, H>(&'a mut DB, &'a [u8], PhantomData<H
/// Utility function used to merge some byte data (keyspace) and `prefix` data
/// before calling key value database primitives.
fn keyspace_as_prefix_alloc(ks: &[u8], prefix: Prefix) -> (Vec<u8>, Option<u8>) {
- let mut result = sp_std::vec![0; ks.len() + prefix.0.len()];
+ let mut result = vec![0; ks.len() + prefix.0.len()];
result[..ks.len()].copy_from_slice(ks);
result[ks.len()..].copy_from_slice(prefix.0);
(result, prefix.1)
diff --git a/substrate/primitives/trie/src/node_codec.rs b/substrate/primitives/trie/src/node_codec.rs
index 46acde77c0543af88e6f3d62cbfb460fe88c117a..78896988ec4c6027c201aafd05e8d45a47b84157 100644
--- a/substrate/primitives/trie/src/node_codec.rs
+++ b/substrate/primitives/trie/src/node_codec.rs
@@ -19,9 +19,10 @@
use super::node_header::{NodeHeader, NodeKind};
use crate::{error::Error, trie_constants};
+use alloc::{borrow::Borrow, vec::Vec};
use codec::{Compact, Decode, Encode, Input};
+use core::{marker::PhantomData, ops::Range};
use hash_db::Hasher;
-use sp_std::{borrow::Borrow, marker::PhantomData, ops::Range, vec::Vec};
use trie_db::{
nibble_ops,
node::{NibbleSlicePlan, NodeHandlePlan, NodePlan, Value, ValuePlan},
@@ -30,7 +31,7 @@ use trie_db::{
/// Helper struct for trie node decoder. This implements `codec::Input` on a byte slice, while
/// tracking the absolute position. This is similar to `std::io::Cursor` but does not implement
-/// `Read` and `io` is not in `sp-std`.
+/// `Read` and `io` are not in `core` or `alloc`.
struct ByteSliceInput<'a> {
data: &'a [u8],
offset: usize,
diff --git a/substrate/primitives/trie/src/storage_proof.rs b/substrate/primitives/trie/src/storage_proof.rs
index 6c871d73b043a997820b9a5645e459d7739dfc48..e46c49be19cb84af46f63003abcdb56ca421d9d0 100644
--- a/substrate/primitives/trie/src/storage_proof.rs
+++ b/substrate/primitives/trie/src/storage_proof.rs
@@ -15,14 +15,12 @@
// See the License for the specific language governing permissions and
// limitations under the License.
+use alloc::{collections::btree_set::BTreeSet, vec::Vec};
use codec::{Decode, Encode};
+use core::iter::{DoubleEndedIterator, IntoIterator};
use hash_db::{HashDB, Hasher};
use scale_info::TypeInfo;
-use sp_std::{
- collections::btree_set::BTreeSet,
- iter::{DoubleEndedIterator, IntoIterator},
- vec::Vec,
-};
+
// Note that `LayoutV1` usage here (proof compaction) is compatible
// with `LayoutV0`.
use crate::LayoutV1 as Layout;
diff --git a/substrate/primitives/trie/src/trie_codec.rs b/substrate/primitives/trie/src/trie_codec.rs
index f29e009c4761e8503b57fde00bb2af6cb3b3330d..65b4f50535990222aa269eee44813eaae9d8b9b7 100644
--- a/substrate/primitives/trie/src/trie_codec.rs
+++ b/substrate/primitives/trie/src/trie_codec.rs
@@ -21,7 +21,7 @@
//! it to substrate specific layout and child trie system.
use crate::{CompactProof, HashDBT, TrieConfiguration, TrieHash, EMPTY_PREFIX};
-use sp_std::{boxed::Box, vec::Vec};
+use alloc::{boxed::Box, vec::Vec};
use trie_db::{CError, Trie};
/// Error for trie node decoding.
diff --git a/substrate/primitives/trie/src/trie_stream.rs b/substrate/primitives/trie/src/trie_stream.rs
index f57b80f978ffb1484b2301fdb612cf6b805c4321..459b5895f207e927161820a984f92daca7e4cea5 100644
--- a/substrate/primitives/trie/src/trie_stream.rs
+++ b/substrate/primitives/trie/src/trie_stream.rs
@@ -21,9 +21,9 @@ use crate::{
node_header::{size_and_prefix_iterator, NodeKind},
trie_constants,
};
+use alloc::vec::Vec;
use codec::{Compact, Encode};
use hash_db::Hasher;
-use sp_std::vec::Vec;
use trie_root;
/// Codec-flavored TrieStream.
diff --git a/substrate/primitives/wasm-interface/Cargo.toml b/substrate/primitives/wasm-interface/Cargo.toml
index f7d1038903eab6954374e6dac141b74683315a25..6c051b71c8e0a07b5b368f16e5e3891bba6205da 100644
--- a/substrate/primitives/wasm-interface/Cargo.toml
+++ b/substrate/primitives/wasm-interface/Cargo.toml
@@ -22,9 +22,8 @@ impl-trait-for-tuples = "0.2.2"
log = { optional = true, workspace = true, default-features = true }
wasmtime = { version = "8.0.1", default-features = false, optional = true }
anyhow = { version = "1.0.68", optional = true }
-sp-std = { path = "../std", default-features = false }
[features]
default = ["std"]
-std = ["codec/std", "log/std", "sp-std/std", "wasmtime"]
+std = ["codec/std", "log/std", "wasmtime"]
wasmtime = ["anyhow", "dep:wasmtime"]
diff --git a/substrate/primitives/wasm-interface/src/lib.rs b/substrate/primitives/wasm-interface/src/lib.rs
index 9d5d2bb358d57926bedd69ce5b38132df8761151..4fc78ca15535ba942cbd4eb4cd59697290ffac68 100644
--- a/substrate/primitives/wasm-interface/src/lib.rs
+++ b/substrate/primitives/wasm-interface/src/lib.rs
@@ -19,7 +19,10 @@
#![cfg_attr(not(feature = "std"), no_std)]
-use sp_std::{borrow::Cow, iter::Iterator, marker::PhantomData, mem, result, vec, vec::Vec};
+extern crate alloc;
+
+use alloc::{borrow::Cow, vec, vec::Vec};
+use core::{iter::Iterator, marker::PhantomData, mem, result};
#[cfg(not(all(feature = "std", feature = "wasmtime")))]
#[macro_export]
@@ -76,7 +79,7 @@ impl From<ValueType> for u8 {
impl TryFrom<u8> for ValueType {
type Error = ();
- fn try_from(val: u8) -> sp_std::result::Result<ValueType, ()> {
+ fn try_from(val: u8) -> core::result::Result<ValueType, ()> {
match val {
0 => Ok(Self::I32),
1 => Ok(Self::I64),
diff --git a/substrate/primitives/weights/Cargo.toml b/substrate/primitives/weights/Cargo.toml
index a7d61de001b5525af1a43148a6c7f6f284c4e51f..d3118defb58d77227507f1718d0d2896712d50a1 100644
--- a/substrate/primitives/weights/Cargo.toml
+++ b/substrate/primitives/weights/Cargo.toml
@@ -23,7 +23,6 @@ serde = { optional = true, features = ["alloc", "derive"], workspace = true }
smallvec = "1.11.0"
sp-arithmetic = { path = "../arithmetic", default-features = false }
sp-debug-derive = { path = "../debug-derive", default-features = false }
-sp-std = { path = "../std", default-features = false }
schemars = { version = "0.8.3", default-features = false, optional = true }
[features]
@@ -35,7 +34,6 @@ std = [
"serde/std",
"sp-arithmetic/std",
"sp-debug-derive/std",
- "sp-std/std",
]
# By default some types have documentation, `full-metadata-docs` allows to add documentation to
# more types in the metadata.
diff --git a/substrate/test-utils/runtime/Cargo.toml b/substrate/test-utils/runtime/Cargo.toml
index b6e6346e8017641dacd0f1bad4083db73be3fce8..f49503da8ca50d8c648e63332c4423b203338639 100644
--- a/substrate/test-utils/runtime/Cargo.toml
+++ b/substrate/test-utils/runtime/Cargo.toml
@@ -28,7 +28,6 @@ sp-keyring = { path = "../../primitives/keyring", default-features = false }
sp-offchain = { path = "../../primitives/offchain", default-features = false }
sp-core = { path = "../../primitives/core", default-features = false, features = ["serde"] }
sp-crypto-hashing = { path = "../../primitives/crypto/hashing", default-features = false }
-sp-std = { path = "../../primitives/std", default-features = false }
sp-io = { path = "../../primitives/io", default-features = false }
frame-support = { path = "../../frame/support", default-features = false }
sp-version = { path = "../../primitives/version", default-features = false }
@@ -104,7 +103,6 @@ std = [
"sp-runtime/std",
"sp-session/std",
"sp-state-machine/std",
- "sp-std/std",
"sp-tracing/std",
"sp-transaction-pool/std",
"sp-trie/std",
diff --git a/substrate/test-utils/runtime/src/extrinsic.rs b/substrate/test-utils/runtime/src/extrinsic.rs
index 05ffb7db5d5b95d6d6dbadf5f48da563c04a4c59..e355e5d099ad5a01c74512f79d722fdf968af02e 100644
--- a/substrate/test-utils/runtime/src/extrinsic.rs
+++ b/substrate/test-utils/runtime/src/extrinsic.rs
@@ -26,7 +26,6 @@ use frame_system::{CheckNonce, CheckWeight};
use sp_core::crypto::Pair as TraitPair;
use sp_keyring::AccountKeyring;
use sp_runtime::{transaction_validity::TransactionPriority, Perbill};
-use sp_std::prelude::*;
/// Transfer used in test substrate pallet. Extrinsic is created and signed using this data.
#[derive(Clone)]
diff --git a/substrate/test-utils/runtime/src/lib.rs b/substrate/test-utils/runtime/src/lib.rs
index 9270978cd126db2e1c0bee7340907e61107ffede..7148d2b2fc0f43aa01bbea3a7df5af5b01770629 100644
--- a/substrate/test-utils/runtime/src/lib.rs
+++ b/substrate/test-utils/runtime/src/lib.rs
@@ -19,6 +19,8 @@
#![cfg_attr(not(feature = "std"), no_std)]
+extern crate alloc;
+
#[cfg(feature = "std")]
pub mod extrinsic;
#[cfg(feature = "std")]
@@ -42,9 +44,10 @@ use frame_system::{
CheckNonce, CheckWeight,
};
use scale_info::TypeInfo;
-use sp_std::prelude::*;
+
+use alloc::boxed::Box;
#[cfg(not(feature = "std"))]
-use sp_std::vec;
+use alloc::{vec, vec::Vec};
use sp_application_crypto::{ecdsa, ed25519, sr25519, RuntimeAppPublic};
use sp_core::{OpaqueMetadata, RuntimeDebug};
@@ -265,7 +268,7 @@ impl sp_runtime::traits::SignedExtension for CheckSubstrateCall {
fn additional_signed(
&self,
- ) -> sp_std::result::Result<Self::AdditionalSigned, TransactionValidityError> {
+ ) -> core::result::Result<Self::AdditionalSigned, TransactionValidityError> {
Ok(())
}
@@ -440,7 +443,7 @@ fn code_using_trie() -> u64 {
.to_vec();
let mut mdb = PrefixedMemoryDB::default();
- let mut root = sp_std::default::Default::default();
+ let mut root = core::default::Default::default();
{
let mut t = TrieDBMutBuilderV1::<Hashing>::new(&mut mdb, &mut root).build();
for (key, value) in &pairs {
@@ -494,7 +497,7 @@ impl_runtime_apis! {
fn metadata_at_version(_version: u32) -> Option<OpaqueMetadata> {
unimplemented!()
}
- fn metadata_versions() -> sp_std::vec::Vec<u32> {
+ fn metadata_versions() -> alloc::vec::Vec<u32> {
unimplemented!()
}
}
diff --git a/substrate/test-utils/runtime/src/substrate_test_pallet.rs b/substrate/test-utils/runtime/src/substrate_test_pallet.rs
index ed1ad990472ba2053998f4d5ac4944ec91b4b7d7..8375a68c8ff2f8111c68ddb7e15c91ea7fcb314a 100644
--- a/substrate/test-utils/runtime/src/substrate_test_pallet.rs
+++ b/substrate/test-utils/runtime/src/substrate_test_pallet.rs
@@ -21,6 +21,7 @@
//! functioning runtime. Some calls are allowed to be submitted as unsigned extrinsics, however most
//! of them requires signing. Refer to `pallet::Call` for further details.
+use alloc::{vec, vec::Vec};
use frame_support::{pallet_prelude::*, storage};
use sp_core::sr25519::Public;
use sp_runtime::{
@@ -29,7 +30,6 @@ use sp_runtime::{
InvalidTransaction, TransactionSource, TransactionValidity, ValidTransaction,
},
};
-use sp_std::prelude::*;
pub use self::pallet::*;
@@ -59,7 +59,7 @@ pub mod pallet {
pub struct GenesisConfig<T: Config> {
pub authorities: Vec<Public>,
#[serde(skip)]
- pub _config: sp_std::marker::PhantomData<T>,
+ pub _config: core::marker::PhantomData<T>,
}
#[pallet::genesis_build]