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Expose information about the extrinsic in the metadata (#4774)

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* Expose information about the extrinsic in the metadata

This pr exposes some information about the extrinsic used in the runtime
via metadata. The following information are exposed:

- Version of the extrinsic
- List of all signed extensions used by the extrinsic.

* Increment `spec_version`
This commit is contained in:
Bastian Köcher
2020-01-30 16:41:03 +01:00
committed by GitHub
parent 6272b8d2c7
commit 45938d8033
13 changed files with 269 additions and 141 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/frame/metadata/src/lib.rs
+21 -6
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@@ -316,11 +316,21 @@ pub struct StorageMetadata {
pub entries: DecodeDifferent<&'static [StorageEntryMetadata], Vec<StorageEntryMetadata>>,
}
/// Metadata prefixed by a u32 for reserved usage
#[derive(Eq, Encode, PartialEq, RuntimeDebug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
/// Metadata prefixed by a u32 for reserved usage
pub struct RuntimeMetadataPrefixed(pub u32, pub RuntimeMetadata);
/// Metadata of the extrinsic used by the runtime.
#[derive(Eq, Encode, PartialEq, RuntimeDebug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct ExtrinsicMetadata {
/// Extrinsic version.
pub version: u8,
/// The signed extensions in the order they appear in the extrinsic.
pub signed_extensions: Vec<DecodeDifferentStr>,
}
/// The metadata of a runtime.
/// The version ID encoded/decoded through
/// the enum nature of `RuntimeMetadata`.
@@ -347,8 +357,10 @@ pub enum RuntimeMetadata {
V8(RuntimeMetadataDeprecated),
/// Version 9 for runtime metadata. No longer used.
V9(RuntimeMetadataDeprecated),
/// Version 10 for runtime metadata.
V10(RuntimeMetadataV10),
/// Version 10 for runtime metadata. No longer used.
V10(RuntimeMetadataDeprecated),
/// Version 11 for runtime metadata.
V11(RuntimeMetadataV11),
}
/// Enum that should fail.
@@ -372,12 +384,15 @@ impl Decode for RuntimeMetadataDeprecated {
/// The metadata of a runtime.
#[derive(Eq, Encode, PartialEq, RuntimeDebug)]
#[cfg_attr(feature = "std", derive(Decode, Serialize))]
pub struct RuntimeMetadataV10 {
pub struct RuntimeMetadataV11 {
/// Metadata of all the modules.
pub modules: DecodeDifferentArray<ModuleMetadata>,
/// Metadata of the extrinsic.
pub extrinsic: ExtrinsicMetadata,
}
/// The latest version of the metadata.
pub type RuntimeMetadataLastVersion = RuntimeMetadataV10;
pub type RuntimeMetadataLastVersion = RuntimeMetadataV11;
/// All metadata about an runtime module.
#[derive(Clone, PartialEq, Eq, Encode, RuntimeDebug)]
@@ -402,6 +417,6 @@ impl Into<sp_core::OpaqueMetadata> for RuntimeMetadataPrefixed {
impl Into<RuntimeMetadataPrefixed> for RuntimeMetadataLastVersion {
fn into(self) -> RuntimeMetadataPrefixed {
RuntimeMetadataPrefixed(META_RESERVED, RuntimeMetadata::V10(self))
RuntimeMetadataPrefixed(META_RESERVED, RuntimeMetadata::V11(self))
}
}