接通真实昨收成交额并前置校验表达式字段

2026-09-09 11:33:58 +08:00
parent 588da4958f
commit 30e8227099
2 changed files with 101 additions and 1 deletions
@@ -11,6 +11,27 @@ use ta_lib::{
 pub const CONTRACT: &str = "fidc_factor_event_expression_v1";
 pub const TA_REV: &str = "dd5a90259a3f9e04e2da9f38bf0719a841b40108";

+pub fn field_dependencies(expr: &Expr) -> std::collections::BTreeSet<String> {
+    let mut fields = std::collections::BTreeSet::new();
+    match expr {
+        Expr::Field { name } => {
+            fields.insert(name.clone());
+        }
+        Expr::Indicator { inputs, .. } => {
+            for e in inputs {
+                fields.extend(field_dependencies(e));
+            }
+        }
+        Expr::Operator { args, .. } => {
+            for e in args {
+                fields.extend(field_dependencies(e));
+            }
+        }
+        _ => {}
+    }
+    fields
+}
+
 #[derive(Debug, Clone, Serialize, Deserialize)]
 #[serde(tag = "kind", rename_all = "snake_case", deny_unknown_fields)]
 pub enum Expr {