diff --git a/Cargo.lock b/Cargo.lock
index b0fb0586be3873672536625fc8e31e2348afef40..ef0eb9f7e3dddd285bb7f0c5b211ee8723b59617 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7716,7 +7716,6 @@ dependencies = [
"sp-externalities 0.25.0",
"sp-io 30.0.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
"sp-version 29.0.0",
"sp-weights 27.0.0",
"substrate-test-runtime-client",
@@ -12371,7 +12370,6 @@ dependencies = [
"pallet-staking 28.0.0",
"sp-core 28.0.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
"sp-storage 19.0.0",
"sp-tracing 16.0.0",
]
@@ -12967,7 +12965,6 @@ dependencies = [
"sp-io 30.0.0",
"sp-keystore 0.34.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
"sp-tracing 16.0.0",
"staging-xcm 7.0.0",
"staging-xcm-builder 7.0.0",
@@ -13352,7 +13349,6 @@ dependencies = [
"sp-npos-elections 26.0.0",
"sp-runtime 31.0.1",
"sp-staking 26.0.0",
- "sp-std 14.0.0",
"sp-tracing 16.0.0",
]
@@ -14157,7 +14153,6 @@ dependencies = [
"sp-core 28.0.0",
"sp-io 30.0.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
]
[[package]]
@@ -14432,7 +14427,6 @@ dependencies = [
"sp-io 30.0.0",
"sp-runtime 31.0.1",
"sp-staking 26.0.0",
- "sp-std 14.0.0",
"sp-tracing 16.0.0",
]
@@ -14456,7 +14450,6 @@ dependencies = [
"sp-io 30.0.0",
"sp-runtime 31.0.1",
"sp-staking 26.0.0",
- "sp-std 14.0.0",
"sp-tracing 16.0.0",
]
@@ -14870,7 +14863,6 @@ dependencies = [
"sp-io 30.0.0",
"sp-keystore 0.34.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
"sp-tracing 16.0.0",
"staging-xcm 7.0.0",
"staging-xcm-builder 7.0.0",
@@ -15095,7 +15087,6 @@ dependencies = [
"sp-io 30.0.0",
"sp-runtime 31.0.1",
"sp-staking 26.0.0",
- "sp-std 14.0.0",
]
[[package]]
@@ -15941,7 +15932,6 @@ dependencies = [
"sp-core 28.0.0",
"sp-io 30.0.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
]
[[package]]
@@ -23681,7 +23671,6 @@ dependencies = [
"sp-crypto-hashing 0.1.0",
"sp-io 30.0.0",
"sp-runtime 31.0.1",
- "sp-std 14.0.0",
]
[[package]]
diff --git a/prdoc/pr_7043.prdoc b/prdoc/pr_7043.prdoc
new file mode 100644
index 0000000000000000000000000000000000000000..d7f6cd6907c8588af8d500037d31d76b5ce59877
--- /dev/null
+++ b/prdoc/pr_7043.prdoc
@@ -0,0 +1,51 @@
+title: Remove usage of `sp-std` from Substrate
+doc:
+- audience: Runtime Dev
+ description: |-
+ # Description
+
+ This PR removes usage of deprecated `sp-std` from Substrate. (following PR of #5010)
+
+ ## Integration
+
+ This PR doesn't remove re-exported `sp_std` from any crates yet, so downstream projects using re-exported `sp_std` will not be affected.
+
+ ## Review Notes
+
+ The existing code using `sp-std` is refactored to use `alloc` and `core` directly. The key-value maps are instantiated from an array of tuples directly instead of using `sp_std::map!` macro.
+
+ This PR replaces `sp_std::Writer`, a helper type for using `Vec<u8>` with `core::fmt::Write` trait, with `alloc::string::String`.
+
+crates:
+- name: pallet-contracts
+ bump: patch
+- name: pallet-revive
+ bump: patch
+- name: sp-runtime
+ bump: patch
+- name: frame-support-procedural
+ bump: patch
+- name: frame-system
+ bump: patch
+- name: pallet-contracts-proc-macro
+ bump: patch
+- name: pallet-revive-proc-macro
+ bump: patch
+- name: frame-support
+ bump: patch
+- name: sc-sysinfo
+ bump: patch
+- name: pallet-bags-list-remote-tests
+ bump: patch
+- name: pallet-election-provider-e2e-test
+ bump: patch
+- name: pallet-nft-fractionalization
+ bump: patch
+- name: pallet-nomination-pools-test-delegate-stake
+ bump: patch
+- name: pallet-nomination-pools-test-transfer-stake
+ bump: patch
+- name: pallet-root-offences
+ bump: patch
+- name: pallet-uniques
+ bump: patch
diff --git a/substrate/client/sysinfo/Cargo.toml b/substrate/client/sysinfo/Cargo.toml
index c7eed77eda7f0d23afeb4ebfe94597e5f61feeff..afc464c358811191f6deaa5afe1e6fdc90d269c8 100644
--- a/substrate/client/sysinfo/Cargo.toml
+++ b/substrate/client/sysinfo/Cargo.toml
@@ -30,7 +30,6 @@ serde_json = { workspace = true, default-features = true }
sp-core = { workspace = true, default-features = true }
sp-crypto-hashing = { workspace = true, default-features = true }
sp-io = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
[dev-dependencies]
sp-runtime = { workspace = true, default-features = true }
diff --git a/substrate/frame/bags-list/remote-tests/Cargo.toml b/substrate/frame/bags-list/remote-tests/Cargo.toml
index 99b203e73fb0475569ab35823cff685454b65d68..e3215803a02010e722873a39883197d466535886 100644
--- a/substrate/frame/bags-list/remote-tests/Cargo.toml
+++ b/substrate/frame/bags-list/remote-tests/Cargo.toml
@@ -26,7 +26,6 @@ pallet-staking = { workspace = true, default-features = true }
# core
sp-core = { workspace = true, default-features = true }
sp-runtime = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
sp-storage = { workspace = true, default-features = true }
sp-tracing = { workspace = true, default-features = true }
diff --git a/substrate/frame/contracts/Cargo.toml b/substrate/frame/contracts/Cargo.toml
index e39128639e3e06e289684ee90c7a14448ac50ce1..5784e6dd1553382e9ad2a27261243e7dd987fdf9 100644
--- a/substrate/frame/contracts/Cargo.toml
+++ b/substrate/frame/contracts/Cargo.toml
@@ -50,7 +50,6 @@ sp-api = { workspace = true }
sp-core = { workspace = true }
sp-io = { workspace = true }
sp-runtime = { workspace = true }
-sp-std = { workspace = true }
xcm = { workspace = true }
xcm-builder = { workspace = true }
@@ -98,7 +97,6 @@ std = [
"sp-io/std",
"sp-keystore/std",
"sp-runtime/std",
- "sp-std/std",
"wasm-instrument?/std",
"wasmi/std",
"xcm-builder/std",
diff --git a/substrate/frame/contracts/proc-macro/src/lib.rs b/substrate/frame/contracts/proc-macro/src/lib.rs
index 4aba1d24dbd5889e925fb9bbab53cf600642ab77..5c3c34e6ef32d06a567fc2b7f1373080c66a79ca 100644
--- a/substrate/frame/contracts/proc-macro/src/lib.rs
+++ b/substrate/frame/contracts/proc-macro/src/lib.rs
@@ -650,10 +650,9 @@ fn expand_functions(def: &EnvDef, expand_mode: ExpandMode) -> TokenStream2 {
let result = #body;
if ::log::log_enabled!(target: "runtime::contracts::strace", ::log::Level::Trace) {
use core::fmt::Write;
- let mut w = sp_std::Writer::default();
- let _ = core::write!(&mut w, #trace_fmt_str, #( #trace_fmt_args, )* result);
- let msg = core::str::from_utf8(&w.inner()).unwrap_or_default();
- ctx.ext().append_debug_buffer(msg);
+ let mut msg = alloc::string::String::default();
+ let _ = core::write!(&mut msg, #trace_fmt_str, #( #trace_fmt_args, )* result);
+ ctx.ext().append_debug_buffer(&msg);
}
result
}
diff --git a/substrate/frame/contracts/src/transient_storage.rs b/substrate/frame/contracts/src/transient_storage.rs
index c795a966385a92572958cf67202e4d7f5b36e85c..c9b1dac1ad75299ebb51bb3b8ca9cdbf7dc69442 100644
--- a/substrate/frame/contracts/src/transient_storage.rs
+++ b/substrate/frame/contracts/src/transient_storage.rs
@@ -22,11 +22,11 @@ use crate::{
storage::WriteOutcome,
Config, Error,
};
+use alloc::{collections::BTreeMap, vec::Vec};
use codec::Encode;
-use core::marker::PhantomData;
+use core::{marker::PhantomData, mem};
use frame_support::DefaultNoBound;
use sp_runtime::{DispatchError, DispatchResult, Saturating};
-use sp_std::{collections::btree_map::BTreeMap, mem, vec::Vec};
/// Meter entry tracks transaction allocations.
#[derive(Default, Debug)]
diff --git a/substrate/frame/election-provider-multi-phase/test-staking-e2e/Cargo.toml b/substrate/frame/election-provider-multi-phase/test-staking-e2e/Cargo.toml
index 5009d3d54d56dc9009a5b8ae52bb00c614372208..7a48ae868a5a2e63d6b0467753cf5ca5f8b56f2c 100644
--- a/substrate/frame/election-provider-multi-phase/test-staking-e2e/Cargo.toml
+++ b/substrate/frame/election-provider-multi-phase/test-staking-e2e/Cargo.toml
@@ -26,7 +26,6 @@ sp-io = { workspace = true, default-features = true }
sp-npos-elections = { workspace = true }
sp-runtime = { workspace = true, default-features = true }
sp-staking = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
sp-tracing = { workspace = true, default-features = true }
frame-election-provider-support = { workspace = true, default-features = true }
diff --git a/substrate/frame/nft-fractionalization/Cargo.toml b/substrate/frame/nft-fractionalization/Cargo.toml
index 7f6df86ed0e5779d56c48c1fa334ede9e2a12b6c..23537b2278933db7cbacaa9f490848738a5d0224 100644
--- a/substrate/frame/nft-fractionalization/Cargo.toml
+++ b/substrate/frame/nft-fractionalization/Cargo.toml
@@ -30,7 +30,6 @@ sp-runtime = { workspace = true }
pallet-balances = { workspace = true, default-features = true }
sp-core = { workspace = true, default-features = true }
sp-io = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
[features]
default = ["std"]
diff --git a/substrate/frame/nomination-pools/test-delegate-stake/Cargo.toml b/substrate/frame/nomination-pools/test-delegate-stake/Cargo.toml
index fe3743d7e5dac443a801ac88b8c2605c7235ac2e..62c2fb625fc4f3e1c4a7252efa7750ec263dd0e8 100644
--- a/substrate/frame/nomination-pools/test-delegate-stake/Cargo.toml
+++ b/substrate/frame/nomination-pools/test-delegate-stake/Cargo.toml
@@ -23,7 +23,6 @@ sp-core = { workspace = true, default-features = true }
sp-io = { workspace = true, default-features = true }
sp-runtime = { workspace = true, default-features = true }
sp-staking = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
frame-election-provider-support = { workspace = true, default-features = true }
frame-support = { features = ["experimental"], workspace = true, default-features = true }
diff --git a/substrate/frame/nomination-pools/test-transfer-stake/Cargo.toml b/substrate/frame/nomination-pools/test-transfer-stake/Cargo.toml
index 2cdc4c41a0836223c2231e2428947f560f8a1d45..0b21d5f4e8cf1e3a98e3220a17bfe7eeb0b44cc0 100644
--- a/substrate/frame/nomination-pools/test-transfer-stake/Cargo.toml
+++ b/substrate/frame/nomination-pools/test-transfer-stake/Cargo.toml
@@ -23,7 +23,6 @@ sp-core = { workspace = true, default-features = true }
sp-io = { workspace = true, default-features = true }
sp-runtime = { workspace = true, default-features = true }
sp-staking = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
frame-election-provider-support = { workspace = true, default-features = true }
frame-support = { workspace = true, default-features = true }
diff --git a/substrate/frame/revive/Cargo.toml b/substrate/frame/revive/Cargo.toml
index fa008f8e836a1c9eb7a4a09a9e96c92d4e829f26..1284f5ee8947b6ff8d0d6990ce45ba8710ab2711 100644
--- a/substrate/frame/revive/Cargo.toml
+++ b/substrate/frame/revive/Cargo.toml
@@ -46,7 +46,6 @@ sp-arithmetic = { workspace = true }
sp-core = { workspace = true }
sp-io = { workspace = true }
sp-runtime = { workspace = true }
-sp-std = { workspace = true }
subxt-signer = { workspace = true, optional = true, features = [
"unstable-eth",
] }
@@ -99,7 +98,6 @@ std = [
"sp-io/std",
"sp-keystore/std",
"sp-runtime/std",
- "sp-std/std",
"subxt-signer",
"xcm-builder/std",
"xcm/std",
diff --git a/substrate/frame/revive/proc-macro/src/lib.rs b/substrate/frame/revive/proc-macro/src/lib.rs
index b6ea1a06d94e878b7e67810ac8a57338aa7c91d8..b09bdef14632b937a351cea6b2968e889f2202a0 100644
--- a/substrate/frame/revive/proc-macro/src/lib.rs
+++ b/substrate/frame/revive/proc-macro/src/lib.rs
@@ -512,10 +512,9 @@ fn expand_functions(def: &EnvDef) -> TokenStream2 {
let result = (|| #body)();
if ::log::log_enabled!(target: "runtime::revive::strace", ::log::Level::Trace) {
use core::fmt::Write;
- let mut w = sp_std::Writer::default();
- let _ = core::write!(&mut w, #trace_fmt_str, #( #trace_fmt_args, )* result);
- let msg = core::str::from_utf8(&w.inner()).unwrap_or_default();
- self.ext().append_debug_buffer(msg);
+ let mut msg = alloc::string::String::default();
+ let _ = core::write!(&mut msg, #trace_fmt_str, #( #trace_fmt_args, )* result);
+ self.ext().append_debug_buffer(&msg);
}
result
}
diff --git a/substrate/frame/revive/src/transient_storage.rs b/substrate/frame/revive/src/transient_storage.rs
index 298e0296fe69e383567c951408fbf68155fc5810..d88adc4373590847a28a9ef18aaf4eba91fc38b3 100644
--- a/substrate/frame/revive/src/transient_storage.rs
+++ b/substrate/frame/revive/src/transient_storage.rs
@@ -22,11 +22,11 @@ use crate::{
storage::WriteOutcome,
Config, Error,
};
+use alloc::{collections::BTreeMap, vec::Vec};
use codec::Encode;
-use core::marker::PhantomData;
+use core::{marker::PhantomData, mem};
use frame_support::DefaultNoBound;
use sp_runtime::{DispatchError, DispatchResult, Saturating};
-use sp_std::{collections::btree_map::BTreeMap, mem, vec::Vec};
/// Meter entry tracks transaction allocations.
#[derive(Default, Debug)]
diff --git a/substrate/frame/root-offences/Cargo.toml b/substrate/frame/root-offences/Cargo.toml
index dedde9956b6f4c9027692809bb23a87ceefe4d5a..c539f1dc4dc10a821c4349cf539f95340a330e1e 100644
--- a/substrate/frame/root-offences/Cargo.toml
+++ b/substrate/frame/root-offences/Cargo.toml
@@ -34,7 +34,6 @@ pallet-timestamp = { workspace = true, default-features = true }
sp-core = { workspace = true, default-features = true }
sp-io = { workspace = true }
-sp-std = { workspace = true, default-features = true }
frame-election-provider-support = { workspace = true, default-features = true }
diff --git a/substrate/frame/support/procedural/src/pallet/expand/config.rs b/substrate/frame/support/procedural/src/pallet/expand/config.rs
index 0a583f1359bac9dcd7682e3c8c6a4de4eaca9ba9..d39f276723600fe7ff5ca36306800bee87c68766 100644
--- a/substrate/frame/support/procedural/src/pallet/expand/config.rs
+++ b/substrate/frame/support/procedural/src/pallet/expand/config.rs
@@ -126,7 +126,7 @@ pub fn expand_config_metadata(def: &Def) -> proc_macro2::TokenStream {
ty: #frame_support::__private::scale_info::meta_type::<
<T as Config #trait_use_gen>::#ident
>(),
- docs: #frame_support::__private::sp_std::vec![ #( #doc ),* ],
+ docs: #frame_support::__private::vec![ #( #doc ),* ],
}
})
});
@@ -136,9 +136,9 @@ pub fn expand_config_metadata(def: &Def) -> proc_macro2::TokenStream {
#[doc(hidden)]
pub fn pallet_associated_types_metadata()
- -> #frame_support::__private::sp_std::vec::Vec<#frame_support::__private::metadata_ir::PalletAssociatedTypeMetadataIR>
+ -> #frame_support::__private::vec::Vec<#frame_support::__private::metadata_ir::PalletAssociatedTypeMetadataIR>
{
- #frame_support::__private::sp_std::vec![ #( #types ),* ]
+ #frame_support::__private::vec![ #( #types ),* ]
}
}
)
diff --git a/substrate/frame/support/src/lib.rs b/substrate/frame/support/src/lib.rs
index c64987b17d35c3994d8eb97fe6c841c09cbf7ea8..a6969260e6a26bedef86f55e7b27689978891aa7 100644
--- a/substrate/frame/support/src/lib.rs
+++ b/substrate/frame/support/src/lib.rs
@@ -44,6 +44,7 @@ pub mod __private {
pub use alloc::{
boxed::Box,
rc::Rc,
+ string::String,
vec,
vec::{IntoIter, Vec},
};
@@ -502,9 +503,9 @@ macro_rules! runtime_print {
($($arg:tt)+) => {
{
use core::fmt::Write;
- let mut w = $crate::__private::sp_std::Writer::default();
- let _ = core::write!(&mut w, $($arg)+);
- $crate::__private::sp_io::misc::print_utf8(&w.inner())
+ let mut msg = $crate::__private::String::default();
+ let _ = core::write!(&mut msg, $($arg)+);
+ $crate::__private::sp_io::misc::print_utf8(msg.as_bytes())
}
}
}
diff --git a/substrate/frame/system/Cargo.toml b/substrate/frame/system/Cargo.toml
index 1340b2c55c5323d23d0efb848f80e845c737987e..8883ebd4c41df9cfd9809253ef659ae584fe5e5e 100644
--- a/substrate/frame/system/Cargo.toml
+++ b/substrate/frame/system/Cargo.toml
@@ -26,7 +26,6 @@ serde = { features = ["alloc", "derive"], workspace = true }
sp-core = { features = ["serde"], workspace = true }
sp-io = { workspace = true }
sp-runtime = { features = ["serde"], workspace = true }
-sp-std = { workspace = true }
sp-version = { features = ["serde"], workspace = true }
sp-weights = { features = ["serde"], workspace = true }
@@ -47,7 +46,6 @@ std = [
"sp-externalities/std",
"sp-io/std",
"sp-runtime/std",
- "sp-std/std",
"sp-version/std",
"sp-weights/std",
]
diff --git a/substrate/frame/system/src/lib.rs b/substrate/frame/system/src/lib.rs
index 4fc69c8755f3c276a97c3bcb237ce7f2c2be1509..894e1898ed15523576eef010c211a3f0f79dece5 100644
--- a/substrate/frame/system/src/lib.rs
+++ b/substrate/frame/system/src/lib.rs
@@ -120,8 +120,6 @@ use sp_runtime::{
},
DispatchError, RuntimeDebug,
};
-#[cfg(any(feature = "std", test))]
-use sp_std::map;
use sp_version::RuntimeVersion;
use codec::{Decode, Encode, EncodeLike, FullCodec, MaxEncodedLen};
@@ -1920,12 +1918,14 @@ impl<T: Config> Pallet<T> {
#[cfg(any(feature = "std", test))]
pub fn externalities() -> TestExternalities {
TestExternalities::new(sp_core::storage::Storage {
- top: map![
- <BlockHash<T>>::hashed_key_for(BlockNumberFor::<T>::zero()) => [69u8; 32].encode(),
- <Number<T>>::hashed_key().to_vec() => BlockNumberFor::<T>::one().encode(),
- <ParentHash<T>>::hashed_key().to_vec() => [69u8; 32].encode()
- ],
- children_default: map![],
+ top: [
+ (<BlockHash<T>>::hashed_key_for(BlockNumberFor::<T>::zero()), [69u8; 32].encode()),
+ (<Number<T>>::hashed_key().to_vec(), BlockNumberFor::<T>::one().encode()),
+ (<ParentHash<T>>::hashed_key().to_vec(), [69u8; 32].encode()),
+ ]
+ .into_iter()
+ .collect(),
+ children_default: Default::default(),
})
}
diff --git a/substrate/frame/uniques/Cargo.toml b/substrate/frame/uniques/Cargo.toml
index 135292fb4ecd53e56ad3db4afada1bc41d440c61..a2473c51ee75cc687c4a8e8bed9f9aa7cf6fdfee 100644
--- a/substrate/frame/uniques/Cargo.toml
+++ b/substrate/frame/uniques/Cargo.toml
@@ -28,7 +28,6 @@ sp-runtime = { workspace = true }
pallet-balances = { workspace = true, default-features = true }
sp-core = { workspace = true, default-features = true }
sp-io = { workspace = true, default-features = true }
-sp-std = { workspace = true, default-features = true }
[features]
default = ["std"]
diff --git a/substrate/primitives/runtime/src/generic/unchecked_extrinsic.rs b/substrate/primitives/runtime/src/generic/unchecked_extrinsic.rs
index d8510a60a78938e70c5f6d954a58ea5de60d5154..6b8471f848466e7c1d7efa8e534c3a9af3b1887b 100644
--- a/substrate/primitives/runtime/src/generic/unchecked_extrinsic.rs
+++ b/substrate/primitives/runtime/src/generic/unchecked_extrinsic.rs
@@ -683,7 +683,7 @@ mod legacy {
Extra: Encode,
{
fn encode(&self) -> Vec<u8> {
- let mut tmp = Vec::with_capacity(sp_std::mem::size_of::<Self>());
+ let mut tmp = Vec::with_capacity(core::mem::size_of::<Self>());
// 1 byte version id.
match self.signature.as_ref() {
diff --git a/substrate/primitives/runtime/src/proving_trie/base16.rs b/substrate/primitives/runtime/src/proving_trie/base16.rs
index da05c551c6d9478fd393a9daefdc2398c662cbae..abdf6ed178bb8fbd7f4b89c24cf638ddf364515d 100644
--- a/substrate/primitives/runtime/src/proving_trie/base16.rs
+++ b/substrate/primitives/runtime/src/proving_trie/base16.rs
@@ -26,8 +26,8 @@
use super::{ProofToHashes, ProvingTrie, TrieError};
use crate::{Decode, DispatchError, Encode};
+use alloc::vec::Vec;
use codec::MaxEncodedLen;
-use sp_std::vec::Vec;
use sp_trie::{
trie_types::{TrieDBBuilder, TrieDBMutBuilderV1},
LayoutV1, MemoryDB, Trie, TrieMut,
@@ -197,7 +197,7 @@ mod tests {
use super::*;
use crate::traits::BlakeTwo256;
use sp_core::H256;
- use sp_std::collections::btree_map::BTreeMap;
+ use std::collections::BTreeMap;
// A trie which simulates a trie of accounts (u32) and balances (u128).
type BalanceTrie = BasicProvingTrie<BlakeTwo256, u32, u128>;
diff --git a/substrate/primitives/runtime/src/proving_trie/base2.rs b/substrate/primitives/runtime/src/proving_trie/base2.rs
index 2b14a59ab056c87dca2352a7824b9f740945e897..8a7cfaa5149df9e5a78fd60f285eecb7022141cf 100644
--- a/substrate/primitives/runtime/src/proving_trie/base2.rs
+++ b/substrate/primitives/runtime/src/proving_trie/base2.rs
@@ -22,9 +22,9 @@
use super::{ProofToHashes, ProvingTrie, TrieError};
use crate::{Decode, DispatchError, Encode};
+use alloc::{collections::BTreeMap, vec::Vec};
use binary_merkle_tree::{merkle_proof, merkle_root, MerkleProof};
use codec::MaxEncodedLen;
-use sp_std::{collections::btree_map::BTreeMap, vec::Vec};
/// A helper structure for building a basic base-2 merkle trie and creating compact proofs for that
/// trie.
@@ -161,7 +161,7 @@ mod tests {
use super::*;
use crate::traits::BlakeTwo256;
use sp_core::H256;
- use sp_std::collections::btree_map::BTreeMap;
+ use std::collections::BTreeMap;
// A trie which simulates a trie of accounts (u32) and balances (u128).
type BalanceTrie = BasicProvingTrie<BlakeTwo256, u32, u128>;
diff --git a/substrate/primitives/runtime/src/proving_trie/mod.rs b/substrate/primitives/runtime/src/proving_trie/mod.rs
index 009aa6d4935fd9231c57a5425365bebdc72411c1..32b2284b4d79d9e7481e8231cda3dfa454c84ffc 100644
--- a/substrate/primitives/runtime/src/proving_trie/mod.rs
+++ b/substrate/primitives/runtime/src/proving_trie/mod.rs
@@ -23,7 +23,7 @@ pub mod base2;
use crate::{Decode, DispatchError, Encode, MaxEncodedLen, TypeInfo};
#[cfg(feature = "serde")]
use crate::{Deserialize, Serialize};
-use sp_std::vec::Vec;
+use alloc::vec::Vec;
use sp_trie::{trie_types::TrieError as SpTrieError, VerifyError};
/// A runtime friendly error type for tries.
diff --git a/substrate/primitives/runtime/src/runtime_logger.rs b/substrate/primitives/runtime/src/runtime_logger.rs
index 79984b13567250fe7c513c84f28e1276d1cc7ec8..ec5251d978f13a6f5dc39086bf875b1a96fcb85a 100644
--- a/substrate/primitives/runtime/src/runtime_logger.rs
+++ b/substrate/primitives/runtime/src/runtime_logger.rs
@@ -54,10 +54,10 @@ impl log::Log for RuntimeLogger {
fn log(&self, record: &log::Record) {
use core::fmt::Write;
- let mut w = sp_std::Writer::default();
- let _ = ::core::write!(&mut w, "{}", record.args());
+ let mut msg = alloc::string::String::default();
+ let _ = ::core::write!(&mut msg, "{}", record.args());
- sp_io::logging::log(record.level().into(), record.target(), w.inner());
+ sp_io::logging::log(record.level().into(), record.target(), msg.as_bytes());
}
fn flush(&self) {}
diff --git a/substrate/primitives/runtime/src/traits/mod.rs b/substrate/primitives/runtime/src/traits/mod.rs
index d371152dc40a48b774588af588a4ec160249426a..5b6cacc7e008a03bc66eb57375c723742ffdd4e1 100644
--- a/substrate/primitives/runtime/src/traits/mod.rs
+++ b/substrate/primitives/runtime/src/traits/mod.rs
@@ -1710,7 +1710,7 @@ pub trait SignedExtension:
/// This method provides a default implementation that returns a vec containing a single
/// [`TransactionExtensionMetadata`].
fn metadata() -> Vec<TransactionExtensionMetadata> {
- sp_std::vec![TransactionExtensionMetadata {
+ alloc::vec![TransactionExtensionMetadata {
identifier: Self::IDENTIFIER,
ty: scale_info::meta_type::<Self>(),
implicit: scale_info::meta_type::<Self::AdditionalSigned>()
diff --git a/substrate/primitives/runtime/src/traits/transaction_extension/mod.rs b/substrate/primitives/runtime/src/traits/transaction_extension/mod.rs
index 4d95e5e6f3a4f03602a83a4dd3152c3430f311c4..15be1e4c8e0a23bdd8f2dec892a3ad3f07808222 100644
--- a/substrate/primitives/runtime/src/traits/transaction_extension/mod.rs
+++ b/substrate/primitives/runtime/src/traits/transaction_extension/mod.rs
@@ -24,11 +24,12 @@ use crate::{
},
DispatchResult,
};
+use alloc::vec::Vec;
use codec::{Codec, Decode, Encode};
-use impl_trait_for_tuples::impl_for_tuples;
+use core::fmt::Debug;
#[doc(hidden)]
-pub use sp_std::marker::PhantomData;
-use sp_std::{self, fmt::Debug, prelude::*};
+pub use core::marker::PhantomData;
+use impl_trait_for_tuples::impl_for_tuples;
use sp_weights::Weight;
use tuplex::{PopFront, PushBack};
@@ -258,7 +259,7 @@ pub trait TransactionExtension<Call: Dispatchable>:
/// This method provides a default implementation that returns a vec containing a single
/// [`TransactionExtensionMetadata`].
fn metadata() -> Vec<TransactionExtensionMetadata> {
- sp_std::vec![TransactionExtensionMetadata {
+ alloc::vec![TransactionExtensionMetadata {
identifier: Self::IDENTIFIER,
ty: scale_info::meta_type::<Self>(),
implicit: scale_info::meta_type::<Self::Implicit>()
@@ -668,7 +669,7 @@ impl<Call: Dispatchable> TransactionExtension<Call> for Tuple {
impl<Call: Dispatchable> TransactionExtension<Call> for () {
const IDENTIFIER: &'static str = "UnitTransactionExtension";
type Implicit = ();
- fn implicit(&self) -> sp_std::result::Result<Self::Implicit, TransactionValidityError> {
+ fn implicit(&self) -> core::result::Result<Self::Implicit, TransactionValidityError> {
Ok(())
}
type Val = ();