Serialize/Deserialize trait implemented in no-std for numerous types (#2660)

* Serialize/Deserialize trait implemented in no-std for numerous types

* Cargo.lock updated

* update lockfile for {"substrate", "polkadot"}

---------

Co-authored-by: parity-processbot <>

cumulus/bridges/modules/grandpa/Cargo.toml

@@ -22,8 +22,8 @@ bp-header-chain = { path = "../../primitives/header-chain", default-features = f
 
 frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 frame-system = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-consensus-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-consensus-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = ["serde"] }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = ["serde"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 

cumulus/bridges/primitives/header-chain/Cargo.toml

@@ -10,7 +10,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 codec = { package = "parity-scale-codec", version = "3.1.5", default-features = false }
 finality-grandpa = { version = "0.16.2", default-features = false }
 scale-info = { version = "2.6.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0", optional = true }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
 
 # Bridge dependencies
 
@@ -19,9 +19,9 @@ bp-runtime = { path = "../runtime", default-features = false }
 # Substrate Dependencies
 
 frame-support = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = ["serde"] }
-sp-consensus-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-consensus-grandpa = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = ["serde"] }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = ["serde"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 
 [dev-dependencies]

cumulus/bridges/primitives/header-chain/src/lib.rs

@@ -27,7 +27,6 @@ use codec::{Codec, Decode, Encode, EncodeLike, MaxEncodedLen};
 use core::{clone::Clone, cmp::Eq, default::Default, fmt::Debug};
 use frame_support::PalletError;
 use scale_info::TypeInfo;
-#[cfg(feature = "std")]
 use serde::{Deserialize, Serialize};
 use sp_consensus_grandpa::{AuthorityList, ConsensusLog, SetId, GRANDPA_ENGINE_ID};
 use sp_runtime::{traits::Header as HeaderT, Digest, RuntimeDebug};
@@ -110,8 +109,9 @@ impl AuthoritySet {
 /// Data required for initializing the GRANDPA bridge pallet.
 ///
 /// The bridge needs to know where to start its sync from, and this provides that initial context.
-#[derive(Default, Encode, Decode, RuntimeDebug, PartialEq, Eq, Clone, TypeInfo)]
+#[derive(
-#[cfg_attr(feature = "std", derive(Serialize, Deserialize))]
+	Default, Encode, Decode, RuntimeDebug, PartialEq, Eq, Clone, TypeInfo, Serialize, Deserialize,
+)]
 pub struct InitializationData<H: HeaderT> {
 	/// The header from which we should start syncing.
 	pub header: Box<H>,

cumulus/bridges/primitives/messages/Cargo.toml

@@ -9,7 +9,7 @@ license = "GPL-3.0-or-later WITH Classpath-exception-2.0"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.1.5", default-features = false, features = ["derive", "bit-vec"] }
 scale-info = { version = "2.6.0", default-features = false, features = ["bit-vec", "derive"] }
-serde = { version = "1.0", optional = true, features = ["derive"] }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
 
 # Bridge dependencies
 
@@ -34,7 +34,7 @@ std = [
 	"codec/std",
 	"frame-support/std",
 	"scale-info/std",
-	"serde",
+	"serde/std",
 	"sp-core/std",
 	"sp-std/std"
 ]

cumulus/bridges/primitives/messages/src/lib.rs

@@ -39,8 +39,19 @@ pub mod storage_keys;
 pub mod target_chain;
 
 /// Messages pallet operating mode.
-#[derive(Encode, Decode, Clone, Copy, PartialEq, Eq, RuntimeDebug, TypeInfo, MaxEncodedLen)]
+#[derive(
-#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
+	Encode,
+	Decode,
+	Clone,
+	Copy,
+	PartialEq,
+	Eq,
+	RuntimeDebug,
+	TypeInfo,
+	MaxEncodedLen,
+	serde::Serialize,
+	serde::Deserialize,
+)]
 pub enum MessagesOperatingMode {
 	/// Basic operating mode (Normal/Halted)
 	Basic(BasicOperatingMode),

cumulus/bridges/primitives/runtime/Cargo.toml

@@ -11,8 +11,8 @@ codec = { package = "parity-scale-codec", version = "3.1.5", default-features =
 hash-db = { version = "0.16.0", default-features = false }
 impl-trait-for-tuples = "0.2.2"
 num-traits = { version = "0.2", default-features = false }
-scale-info = { version = "2.6.0", default-features = false, features = ["derive"] }
+scale-info = { version = "2.6.0", default-features = false, features = ["derive", "serde"] }
-serde = { version = "1.0", optional = true, features = ["derive"] }
+serde = { version = "1.0", default-features = false, features = ["alloc", "derive"] }
 
 # Substrate Dependencies
 
@@ -20,7 +20,7 @@ frame-support = { git = "https://github.com/paritytech/substrate", branch = "mas
 frame-system = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
+sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false, features = ["serde"] }
 sp-state-machine = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
@@ -38,7 +38,7 @@ std = [
 	"hash-db/std",
 	"num-traits/std",
 	"scale-info/std",
-	"serde",
+	"serde/std",
 	"sp-core/std",
 	"sp-io/std",
 	"sp-runtime/std",

cumulus/bridges/primitives/runtime/src/lib.rs

@@ -373,8 +373,19 @@ pub trait OperatingMode: Send + Copy + Debug + FullCodec {
 }
 
 /// Basic operating modes for a bridges module (Normal/Halted).
-#[derive(Encode, Decode, Clone, Copy, PartialEq, Eq, RuntimeDebug, TypeInfo, MaxEncodedLen)]
+#[derive(
-#[cfg_attr(feature = "std", derive(serde::Serialize, serde::Deserialize))]
+	Encode,
+	Decode,
+	Clone,
+	Copy,
+	PartialEq,
+	Eq,
+	RuntimeDebug,
+	TypeInfo,
+	MaxEncodedLen,
+	serde::Serialize,
+	serde::Deserialize,
+)]
 pub enum BasicOperatingMode {
 	/// Normal mode, when all operations are allowed.
 	Normal,