pezkuwichain/pezframe-metadata
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Complete v13 type definitions, support metadata decoding and serde (#4)

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* Add String type param for Decode impl, fix serde serialization

* Remove Deserialize derives and fix FormString impl for no_std

* Add SignedExtensionMetadata type, name is possibly be different than type name

* Add Extrinsic type

* Fix SignedExtenstionMetadata compilation issues

* Fmt

* Use PhantomData for V0 to fix no features check

* Restore ModuleMetadata index field

* Add module constants metadata

* Fmt
This commit is contained in:
Andrew Jones
2021-01-15 09:26:17 +00:00
committed by GitHub
parent 1ac42f8153
commit aa716b2bd6
4 changed files with 173 additions and 30 deletions
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frame-metadata/src/lib.rs
+25 -7
View File
@@ -22,7 +22,10 @@
cfg_if::cfg_if! {
if #[cfg(feature = "std")] {
use codec::{Decode, Error, Input};
use serde::Serialize;
use serde::{
Deserialize,
Serialize,
};
} else {
extern crate alloc;
use alloc::vec::Vec;
@@ -37,14 +40,29 @@ pub mod v12;
#[cfg(feature = "v13")]
pub mod v13;
cfg_if::cfg_if! {
if #[cfg(not(feature = "v13"))] {
/// Dummy trait in place of `scale_info::form::FormString`.
/// Since the `scale-info` crate is only imported for the `v13` feature.
pub trait FormString {}
impl FormString for &'static str {}
#[cfg(feature = "std")]
impl FormString for String {}
} else {
pub(crate) use scale_info::form::FormString;
}
}
/// The metadata of a runtime.
/// The version ID encoded/decoded through
/// the enum nature of `RuntimeMetadata`.
#[derive(Eq, Encode, PartialEq)]
#[cfg_attr(feature = "std", derive(Decode, Serialize, Debug))]
pub enum RuntimeMetadata {
#[cfg_attr(feature = "std", serde(bound(serialize = "S: Serialize")))]
pub enum RuntimeMetadata<S: FormString = &'static str> {
/// Unused; enum filler.
V0(RuntimeMetadataDeprecated),
V0(core::marker::PhantomData<S>),
/// Version 1 for runtime metadata. No longer used.
V1(RuntimeMetadataDeprecated),
/// Version 2 for runtime metadata. No longer used.
@@ -69,13 +87,13 @@ pub enum RuntimeMetadata {
V11(RuntimeMetadataDeprecated),
/// Version 12 for runtime metadata
#[cfg(feature = "v12")]
V12(v12::RuntimeMetadataV12),
V12(v12::RuntimeMetadataV12<S>),
/// Version 12 for runtime metadata, as raw encoded bytes.
#[cfg(not(feature = "v12"))]
V12(OpaqueMetadata),
/// Version 13 for runtime metadata.
#[cfg(feature = "v13")]
V13(v13::RuntimeMetadataV13),
V13(v13::RuntimeMetadataV13<S>),
/// Version 13 for runtime metadata, as raw encoded bytes.
#[cfg(not(feature = "v13"))]
V13(OpaqueMetadata),
@@ -83,12 +101,12 @@ pub enum RuntimeMetadata {
/// Stores the encoded `RuntimeMetadata` as raw bytes.
#[derive(Encode, Eq, PartialEq)]
#[cfg_attr(feature = "std", derive(Decode, Serialize, Debug))]
#[cfg_attr(feature = "std", derive(Decode, Serialize, Deserialize, Debug))]
pub struct OpaqueMetadata(pub Vec<u8>);
/// Enum that should fail.
#[derive(Eq, PartialEq)]
#[cfg_attr(feature = "std", derive(Serialize, Debug))]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
pub enum RuntimeMetadataDeprecated {}
impl Encode for RuntimeMetadataDeprecated {