chore: 更新 fidc-backtest-engine - 2026-05-22

crates/fidc-core/src/rules.rs

@@ -2,6 +2,7 @@ use chrono::NaiveDate;
 
 use crate::data::{CandidateEligibility, DailyMarketSnapshot, PriceField};
 use crate::portfolio::Position;
+use crate::risk_control::ChinaAShareRiskControl;
 
 #[derive(Debug, Clone)]
 pub struct RuleCheck {
@@ -47,20 +48,6 @@ pub trait EquityRuleHooks {
 #[derive(Debug, Clone, Default)]
 pub struct ChinaEquityRuleHooks;
 
-impl ChinaEquityRuleHooks {
-    fn at_upper_limit(snapshot: &DailyMarketSnapshot, price_field: PriceField) -> bool {
-        snapshot.is_at_upper_limit_price(snapshot.buy_price(price_field))
-    }
-
-    fn at_lower_limit(snapshot: &DailyMarketSnapshot, price_field: PriceField) -> bool {
-        let check_price = match price_field {
-            PriceField::Last => snapshot.price(PriceField::Last),
-            _ => snapshot.sell_price(price_field),
-        };
-        snapshot.is_at_lower_limit_price(check_price)
-    }
-}
-
 impl EquityRuleHooks for ChinaEquityRuleHooks {
     fn can_buy(
         &self,
@@ -69,14 +56,14 @@ impl EquityRuleHooks for ChinaEquityRuleHooks {
         candidate: &CandidateEligibility,
         price_field: PriceField,
     ) -> RuleCheck {
-        if snapshot.paused || candidate.is_paused {
-            return RuleCheck::reject("paused");
-        }
-        if !candidate.allow_buy {
-            return RuleCheck::reject("buy disabled by eligibility flags");
-        }
-        if Self::at_upper_limit(snapshot, price_field) {
-            return RuleCheck::reject("open at or above upper limit");
+        if let Some(reason) = ChinaAShareRiskControl::buy_rejection_reason(
+            _execution_date,
+            candidate,
+            snapshot,
+            None,
+            ChinaAShareRiskControl::buy_check_price(snapshot, price_field),
+        ) {
+            return RuleCheck::reject(reason);
         }
 
         RuleCheck::allow()
@@ -90,17 +77,15 @@ impl EquityRuleHooks for ChinaEquityRuleHooks {
         position: &Position,
         price_field: PriceField,
     ) -> RuleCheck {
-        if snapshot.paused || candidate.is_paused {
-            return RuleCheck::reject("paused");
-        }
-        if !candidate.allow_sell {
-            return RuleCheck::reject("sell disabled by eligibility flags");
-        }
-        if Self::at_lower_limit(snapshot, price_field) {
-            return RuleCheck::reject("open at or below lower limit");
-        }
-        if position.sellable_qty(execution_date) == 0 {
-            return RuleCheck::reject("t+1 sellable quantity is zero");
+        if let Some(reason) = ChinaAShareRiskControl::sell_rejection_reason(
+            execution_date,
+            candidate,
+            snapshot,
+            None,
+            Some(position),
+            ChinaAShareRiskControl::sell_check_price(snapshot, price_field),
+        ) {
+            return RuleCheck::reject(reason);
         }
 
         RuleCheck::allow()