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add no_std support (#42)

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* Metadata supporting scale-info can be decoded and serialized in no_std (#2)

* Metadata supporting scale-info can be decoded and serialized in no_std (feature flag scale_info)

* Changes from review: rename feature flag into full_derive

* Changes from review: std implies full-derive

* Changes from review: optimization

Co-authored-by: echevrier <edith.chevrier@scs.ch>

* split full_derive into decode and sered_codec features.

(drop new Debug impls)

* cargo fmt

* rename serde_codec to serde_full

* Prior to v14 everything was Debug.

Are there any downsides? Unused debug impls will just get optimised away won't they?

* rust fmt

* Debug for the masses. Make it work for no_std

* check all combos of features

(if this plays well with ci then we should double up,
doing the same again but target wasm32)

* all wasm feature combos

Co-authored-by: echevrier <84318241+echevrier@users.noreply.github.com>
Co-authored-by: echevrier <edith.chevrier@scs.ch>
This commit is contained in:
Squirrel
2022-11-09 14:32:34 +00:00
committed by GitHub
parent d41046b12c
commit 1ea3299208
9 changed files with 253 additions and 225 deletions
Download Patch File Download Diff File Expand all files Collapse all files
frame-metadata/src/v8.rs
+28 -29
View File
@@ -42,8 +42,8 @@ cfg_if::cfg_if! {
pub const META_RESERVED: u32 = 0x6174656d; // 'meta' warn endianness
/// All the metadata about a function.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct FunctionMetadata {
/// Function name.
pub name: DecodeDifferentStr,
@@ -54,8 +54,8 @@ pub struct FunctionMetadata {
}
/// All the metadata about a function argument.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct FunctionArgumentMetadata {
/// Name of the variable for the argument.
pub name: DecodeDifferentStr,
@@ -64,8 +64,8 @@ pub struct FunctionArgumentMetadata {
}
/// All the metadata about an outer event.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct OuterEventMetadata {
/// Name of the event.
pub name: DecodeDifferentStr,
@@ -77,8 +77,8 @@ pub struct OuterEventMetadata {
}
/// All the metadata about an event.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct EventMetadata {
/// Name of the event.
pub name: DecodeDifferentStr,
@@ -89,8 +89,8 @@ pub struct EventMetadata {
}
/// All the metadata about one storage entry.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct StorageEntryMetadata {
/// Variable name of the storage entry.
pub name: DecodeDifferentStr,
@@ -105,8 +105,8 @@ pub struct StorageEntryMetadata {
}
/// All the metadata about one module constant.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct ModuleConstantMetadata {
/// Name of the module constant.
pub name: DecodeDifferentStr,
@@ -119,8 +119,8 @@ pub struct ModuleConstantMetadata {
}
/// All the metadata about a module error.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct ErrorMetadata {
/// Name of the error.
pub name: DecodeDifferentStr,
@@ -181,16 +181,15 @@ impl serde::Serialize for DefaultByteGetter {
}
}
#[cfg(feature = "std")]
impl std::fmt::Debug for DefaultByteGetter {
fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
impl core::fmt::Debug for DefaultByteGetter {
fn fmt(&self, f: &mut core::fmt::Formatter) -> core::fmt::Result {
self.0.default_byte().fmt(f)
}
}
/// Hasher used by storage maps
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub enum StorageHasher {
/// 128-bit Blake2 hash.
Blake2_128,
@@ -205,8 +204,8 @@ pub enum StorageHasher {
}
/// A storage entry type.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub enum StorageEntryType {
/// Plain storage entry (just the value).
Plain(DecodeDifferentStr),
@@ -240,8 +239,8 @@ pub enum StorageEntryType {
///
/// `Optional` means you should expect an `Option<T>`, with `None` returned if the key is not present.
/// `Default` means you should expect a `T` with the default value of default if the key is not present.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub enum StorageEntryModifier {
/// The storage entry returns an `Option<T>`, with `None` if the key is not present.
Optional,
@@ -250,8 +249,8 @@ pub enum StorageEntryModifier {
}
/// All metadata of the storage.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct StorageMetadata {
/// The common prefix used by all storage entries.
pub prefix: DecodeDifferent<&'static str, StringBuf>,
@@ -259,8 +258,8 @@ pub struct StorageMetadata {
}
/// The metadata of a runtime.
#[derive(Eq, Encode, PartialEq)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Eq, Encode, PartialEq, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct RuntimeMetadataV8 {
pub modules: DecodeDifferentArray<ModuleMetadata>,
}
@@ -269,8 +268,8 @@ pub struct RuntimeMetadataV8 {
pub type RuntimeMetadataLastVersion = RuntimeMetadataV8;
/// All metadata about a runtime module.
#[derive(Clone, PartialEq, Eq, Encode)]
#[cfg_attr(feature = "std", derive(Decode, Debug, Serialize))]
#[derive(Clone, PartialEq, Eq, Encode, Debug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct ModuleMetadata {
/// Module name.
pub name: DecodeDifferentStr,