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Relax genesis config to not require Default impl (#1221)

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Co-authored-by: Oliver Tale-Yazdi <oliver.tale-yazdi@parity.io>
This commit is contained in:
Nazar Mokrynskyi
2023-08-29 20:36:45 +03:00
committed by GitHub
parent 62f0a729cf
commit 430edd7535
2 changed files with 6 additions and 3 deletions
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substrate/frame/support/src/genesis_builder_helper.rs
+4 -1
View File
@@ -25,7 +25,10 @@ use sp_runtime::format_runtime_string;
/// Get the default `GenesisConfig` as a JSON blob. For more info refer to /// Get the default `GenesisConfig` as a JSON blob. For more info refer to
/// [`sp_genesis_builder::GenesisBuilder::create_default_config`] /// [`sp_genesis_builder::GenesisBuilder::create_default_config`]
pub fn create_default_config<GC: BuildGenesisConfig>() -> sp_std::vec::Vec<u8> { pub fn create_default_config<GC>() -> sp_std::vec::Vec<u8>
where
GC: BuildGenesisConfig + Default,
{
serde_json::to_string(&GC::default()) serde_json::to_string(&GC::default())
.expect("serialization to json is expected to work. qed.") .expect("serialization to json is expected to work. qed.")
.into_bytes() .into_bytes()
substrate/frame/support/src/traits/hooks.rs
+2 -2
View File
@@ -442,7 +442,7 @@ pub trait Hooks<BlockNumber> {
/// A trait to define the build function of a genesis config for both runtime and pallets. /// A trait to define the build function of a genesis config for both runtime and pallets.
/// ///
/// Replaces deprecated [`GenesisBuild<T,I>`]. /// Replaces deprecated [`GenesisBuild<T,I>`].
pub trait BuildGenesisConfig: Default + sp_runtime::traits::MaybeSerializeDeserialize { pub trait BuildGenesisConfig: sp_runtime::traits::MaybeSerializeDeserialize {
/// The build function puts initial `GenesisConfig` keys/values pairs into the storage. /// The build function puts initial `GenesisConfig` keys/values pairs into the storage.
fn build(&self); fn build(&self);
} }
@@ -452,7 +452,7 @@ pub trait BuildGenesisConfig: Default + sp_runtime::traits::MaybeSerializeDeseri
#[deprecated( #[deprecated(
note = "GenesisBuild is planned to be removed in December 2023. Use BuildGenesisConfig instead of it." note = "GenesisBuild is planned to be removed in December 2023. Use BuildGenesisConfig instead of it."
)] )]
pub trait GenesisBuild<T, I = ()>: Default + sp_runtime::traits::MaybeSerializeDeserialize { pub trait GenesisBuild<T, I = ()>: sp_runtime::traits::MaybeSerializeDeserialize {
/// The build function is called within an externalities allowing storage APIs. /// The build function is called within an externalities allowing storage APIs.
/// Thus one can write to storage using regular pallet storages. /// Thus one can write to storage using regular pallet storages.
fn build(&self); fn build(&self);