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refactor migration into separate file in common runtime
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| use crate::config::orml_asset_registry::AssetMetadataOf; | ||
| use frame_support::{ | ||
| traits::{Get, OnRuntimeUpgrade}, | ||
| weights::Weight, | ||
| }; | ||
| use log::info; | ||
| use mangata_types::{assets::CustomMetadata, Balance, TokenId}; | ||
| use sp_runtime::traits::Zero; | ||
| use sp_std::marker::PhantomData; | ||
|
|
||
| pub struct AssetRegistryMigration<Runtime>(PhantomData<Runtime>); | ||
|
|
||
| impl<T> OnRuntimeUpgrade for AssetRegistryMigration<T> | ||
| where | ||
| T: orml_asset_registry::Config< | ||
| CustomMetadata = CustomMetadata, | ||
| AssetId = TokenId, | ||
| Balance = Balance, | ||
| > + orml_tokens::Config<CurrencyId = TokenId>, | ||
| { | ||
| fn on_runtime_upgrade() -> Weight { | ||
| info!( | ||
| target: "asset_registry", | ||
| "on_runtime_upgrade: Attempted to apply AssetRegistry migration" | ||
| ); | ||
|
|
||
| let mut weight: Weight = Weight::zero(); | ||
|
|
||
| orml_asset_registry::Metadata::<T>::translate(|token_id, meta: AssetMetadataOf| { | ||
| weight | ||
| .saturating_accrue(<T as frame_system::Config>::DbWeight::get().reads_writes(1, 1)); | ||
|
|
||
| let issuance = orml_tokens::Pallet::<T>::total_issuance(token_id); | ||
| let name = sp_std::str::from_utf8(&meta.name); | ||
| if issuance.is_zero() && name.map_or(false, |n| n.starts_with("Liquidity")) { | ||
| // By returning None from f for an element, we’ll remove it from the map. | ||
| // Based on the docs of translate method | ||
| None | ||
| } else { | ||
| Some(meta) | ||
| } | ||
| }); | ||
|
|
||
| weight | ||
| } | ||
|
|
||
| #[cfg(feature = "try-runtime")] | ||
| fn pre_upgrade() -> Result<Vec<u8>, &'static str> { | ||
| info!( | ||
| target: "asset_registry", | ||
| "pre_upgrade: checks" | ||
| ); | ||
| let mut has_zero_issuance: Vec<u32> = vec![]; | ||
| orml_asset_registry::Metadata::<T>::iter().for_each(|(token_id, meta)| { | ||
| let issuance = orml_tokens::Pallet::<T>::total_issuance(token_id); | ||
| let name = sp_std::str::from_utf8(&meta.name); | ||
| if issuance.is_zero() && name.map_or(false, |n| n.starts_with("Liquidity")) { | ||
| has_zero_issuance.push(token_id); | ||
| } | ||
| }); | ||
|
|
||
| assert!(!has_zero_issuance.is_empty(), "No migration is required as we have identified only those liquidity assets with non-zero issuance."); | ||
|
|
||
| Ok(Vec::new()) | ||
| } | ||
|
|
||
| #[cfg(feature = "try-runtime")] | ||
| fn post_upgrade(_: Vec<u8>) -> Result<(), &'static str> { | ||
| info!( | ||
| target: "asset_registry", | ||
| "post_upgrade: checks" | ||
| ); | ||
| orml_asset_registry::Metadata::<T>::iter().for_each(|(token_id, meta)| { | ||
| let issuance = orml_tokens::Pallet::<T>::total_issuance(token_id); | ||
| let name = sp_std::str::from_utf8(&meta.name); | ||
| if name.map_or(false, |n| n.starts_with("Liquidity")) { | ||
| assert!(!issuance.is_zero()); | ||
| } | ||
| }); | ||
|
|
||
| Ok(()) | ||
| } | ||
| } |
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