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Merge pull request #397 from nolus-protocol/redesign-pricedto
refactor(currency): PriceDTO changed focus - only at Oracle feeds
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,112 @@ | ||
| use serde::{Deserialize, Serialize}; | ||
|
|
||
| use sdk::schemars::{self, JsonSchema}; | ||
|
|
||
| use crate::{ | ||
| AnyVisitor, CurrencyDTO, CurrencyDef, Definition, Group, Matcher, MaybeAnyVisitResult, | ||
| MaybePairsVisitorResult, MemberOf, PairsGroup, PairsVisitor, | ||
| }; | ||
|
|
||
| #[derive( | ||
| Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Serialize, Deserialize, JsonSchema, | ||
| )] | ||
| pub struct Stable(CurrencyDTO<PlatformGroup>); | ||
|
|
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| impl CurrencyDef for Stable { | ||
| type Group = PlatformGroup; | ||
|
|
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| fn definition() -> &'static Self { | ||
| const INSTANCE: &Stable = &Stable(CurrencyDTO::new(&Definition::new( | ||
| "STABLE", | ||
| "N/A_N/A_N/A", | ||
| "N/A_N/A_N/A", | ||
| 0, | ||
| ))); | ||
| INSTANCE | ||
| } | ||
|
|
||
| fn dto(&self) -> &CurrencyDTO<Self::Group> { | ||
| &self.0 | ||
| } | ||
| } | ||
| impl PairsGroup for Stable { | ||
| type CommonGroup = PlatformGroup; | ||
|
|
||
| fn maybe_visit<M, V>(_matcher: &M, _visitor: V) -> MaybePairsVisitorResult<V> | ||
| where | ||
| M: Matcher, | ||
| V: PairsVisitor<Pivot = Self>, | ||
| { | ||
| unreachable!("The 'Stable' platform currency used in pairs resolution!") | ||
| } | ||
| } | ||
|
|
||
| #[derive( | ||
| Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Debug, Serialize, Deserialize, JsonSchema, | ||
| )] | ||
| /// A 'platform'-only 'dex-independent' representation of Nls. | ||
| /// | ||
| /// Intended to be used *only* until the TODO below gets done, and *only* in dex-independent usecases: | ||
| /// - LP rewards | ||
| /// - Relayers' tips | ||
| pub struct Nls(CurrencyDTO<PlatformGroup>); | ||
|
|
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| impl CurrencyDef for Nls { | ||
| type Group = PlatformGroup; | ||
|
|
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| fn definition() -> &'static Self { | ||
| const INSTANCE: &Nls = &Nls(CurrencyDTO::new(&Definition::new( | ||
| "NLS", | ||
| "unls", | ||
| // TODO Define trait PlatformCurrency as a super trait of Currency and | ||
| // merge NlsPlatform and Nls | ||
| "N/A_N/A_N/A", | ||
| 6, | ||
| ))); | ||
|
|
||
| INSTANCE | ||
| } | ||
|
|
||
| fn dto(&self) -> &CurrencyDTO<Self::Group> { | ||
| &self.0 | ||
| } | ||
| } | ||
|
|
||
| impl PairsGroup for Nls { | ||
| type CommonGroup = PlatformGroup; | ||
|
|
||
| fn maybe_visit<M, V>(_matcher: &M, _visitor: V) -> MaybePairsVisitorResult<V> | ||
| where | ||
| M: Matcher, | ||
| V: PairsVisitor, | ||
| { | ||
| unreachable!("The 'Nls' platform currency used in pairs resolution!") | ||
| } | ||
| } | ||
|
|
||
| #[derive(Debug, Copy, Clone, Ord, PartialEq, PartialOrd, Eq, Deserialize)] | ||
| pub struct PlatformGroup; | ||
| impl Group for PlatformGroup { | ||
| const DESCR: &'static str = "platform currencies"; | ||
| type TopG = Self; | ||
|
|
||
| fn maybe_visit<M, V>(matcher: &M, visitor: V) -> MaybeAnyVisitResult<Self, V> | ||
| where | ||
| M: Matcher, | ||
| V: AnyVisitor<Self>, | ||
| { | ||
| Self::maybe_visit_member(matcher, visitor) | ||
| } | ||
|
|
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| fn maybe_visit_member<M, V>(matcher: &M, visitor: V) -> MaybeAnyVisitResult<Self::TopG, V> | ||
| where | ||
| M: Matcher, | ||
| V: AnyVisitor<Self::TopG>, | ||
| { | ||
| crate::maybe_visit_member::<_, Nls, Self::TopG, _>(matcher, visitor) | ||
| .or_else(|v| MaybeAnyVisitResult::Ok(v.on::<Stable>(Stable::definition().dto()))) | ||
| // we accept ANY currency to allow any stable@protocol to be a member | ||
| } | ||
| } | ||
|
|
||
| impl MemberOf<Self> for PlatformGroup {} |
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