chore: 更新 fidc-backtest-engine - 2026-05-07

This commit is contained in:
boris
2026-05-07 03:49:26 -07:00
parent e06a1e88e5
commit adc2f12ddf
4 changed files with 436 additions and 8 deletions

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@@ -0,0 +1,17 @@
//! 把 DSP 运行时 schema 序列化为 JSON 输出到 stdout。
//!
//! 用法(在 fidc-backtest-engine 仓库根):
//! cargo run -p fidc-core --bin dump_platform_runtime_schema \
//! > ../omniquant/src/generated/platformRuntimeSchema.json
//!
//! 这是 omniquant 前端编译期校验表达式标识符的事实源;任何对
//! reserved_scope_names / is_runtime_helper / register_fn 清单的修改,记得
//! 重新跑这个命令并把生成文件提交到 omniquant。
use fidc_core::runtime_schema_json;
fn main() {
let schema = runtime_schema_json();
let output = serde_json::to_string_pretty(&schema).expect("serialize schema");
println!("{output}");
}

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@@ -9,6 +9,7 @@ pub mod futures;
pub mod instrument;
pub mod metrics;
pub mod platform_expr_strategy;
pub mod platform_runtime_schema;
pub mod platform_strategy_spec;
pub mod portfolio;
pub mod rules;
@@ -50,6 +51,11 @@ pub use platform_expr_strategy::{
PlatformRebalanceSchedule, PlatformScheduleFrequency, PlatformTradeAction,
PlatformUniverseActionKind,
};
pub use platform_runtime_schema::{
PLATFORM_RUNTIME_SCHEMA_VERSION, PlatformRuntimeSchema, reserved_scope_names,
rhai_builtin_functions, rhai_keywords, runtime_helper_functions, runtime_schema,
runtime_schema_json,
};
pub use platform_strategy_spec::{
DynamicRangeConfig, IndexThrottleConfig, MovingAverageFilterConfig, SkipWindowConfig,
StrategyBenchmarkSpec, StrategyEngineConfig, StrategyExecutionSpec,

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@@ -1,7 +1,8 @@
use std::collections::{BTreeMap, BTreeSet};
use std::cell::RefCell;
use std::collections::{BTreeMap, BTreeSet, HashMap};
use chrono::{Datelike, Duration, NaiveDate, NaiveDateTime, NaiveTime};
use rhai::{Dynamic, Engine, Map, Scope};
use rhai::{AST, Dynamic, Engine, Map, Scope};
use crate::cost::ChinaAShareCostModel;
use crate::data::{DailyMarketSnapshot, EligibleUniverseSnapshot, PriceField};
@@ -415,6 +416,15 @@ struct PositionExpressionState {
pub struct PlatformExprStrategy {
config: PlatformExprStrategyConfig,
engine: Engine,
/// 已编译表达式 AST 缓存。
/// Key 是经过 normalize/expand_runtime_helpers 之后的完整 script 文本,
/// Value 是 Rhai 编译产物。命中后 eval 走 eval_ast_with_scope避免重复
/// parsing。一次回测里同一表达式stock_filter / stop_loss / rank_expr 等)
/// 会被反复执行,重复解析的常数级开销在大规模回测里不可忽略。
compiled_cache: RefCell<HashMap<String, AST>>,
/// 命中计数与未命中计数,便于在 unit test 中验证缓存生效;非生产指标。
cache_hits: RefCell<u64>,
cache_misses: RefCell<u64>,
}
impl PlatformExprStrategy {
@@ -466,7 +476,63 @@ impl PlatformExprStrategy {
engine.register_fn("upper", |value: &str| value.to_uppercase());
engine.register_fn("trim", |value: &str| value.trim().to_string());
engine.register_fn("strlen", |value: &str| value.chars().count() as i64);
Self { config, engine }
Self {
config,
engine,
compiled_cache: RefCell::new(HashMap::new()),
cache_hits: RefCell::new(0),
cache_misses: RefCell::new(0),
}
}
/// AST 缓存命中次数(仅用于测试与诊断)。
pub fn ast_cache_hits(&self) -> u64 {
*self.cache_hits.borrow()
}
/// AST 缓存未命中次数(仅用于测试与诊断)。
pub fn ast_cache_misses(&self) -> u64 {
*self.cache_misses.borrow()
}
/// AST 缓存当前条目数(仅用于测试与诊断)。
pub fn ast_cache_size(&self) -> usize {
self.compiled_cache.borrow().len()
}
/// 用 AST 缓存执行 script。命中直接走 eval_ast_with_scope未命中
/// engine.compile再插入缓存再 eval_ast_with_scope。任何编译/执行错误
/// 都按字符串包装为 BacktestError::Execution。
fn eval_with_cache(
&self,
scope: &mut Scope<'_>,
script: &str,
) -> Result<Dynamic, BacktestError> {
// 注意HashMap key 借用即可命中,避免重复克隆 String。
if let Some(ast) = self.compiled_cache.borrow().get(script) {
*self.cache_hits.borrow_mut() += 1;
return self
.engine
.eval_ast_with_scope::<Dynamic>(scope, ast)
.map_err(|error| {
BacktestError::Execution(format!("platform expr eval failed: {}", error))
});
}
*self.cache_misses.borrow_mut() += 1;
let ast = self.engine.compile(script).map_err(|error| {
BacktestError::Execution(format!("platform expr compile failed: {}", error))
})?;
let result = self
.engine
.eval_ast_with_scope::<Dynamic>(scope, &ast)
.map_err(|error| {
BacktestError::Execution(format!("platform expr eval failed: {}", error))
});
// 即便本次执行失败,也把 AST 留下:错误源于 scope 中的值,下次仍然有效。
self.compiled_cache
.borrow_mut()
.insert(script.to_string(), ast);
result
}
fn is_expression_identifier(name: &str) -> bool {
@@ -2020,11 +2086,7 @@ impl PlatformExprStrategy {
}
script_parts.push(expanded_expr);
let script = script_parts.join("\n");
self.engine
.eval_with_scope::<Dynamic>(&mut scope, &script)
.map_err(|error| {
BacktestError::Execution(format!("platform expr eval failed: {}", error))
})
self.eval_with_cache(&mut scope, &script)
}
fn normalize_expr(expr: &str) -> String {

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@@ -0,0 +1,343 @@
//! DSP 运行时变量与函数 schema 导出。
//!
//! 这是前后端共享的"事实源":把引擎里 reserved_scope_names 和 is_runtime_helper
//! 等清单按 JSON Schema 暴露出来,供 omniquant 前端在编译期做表达式标识符校验。
//!
//! 维护原则:
//! - 任何对 platform_expr_strategy.rs 中变量名 / 函数名清单的修改都必须在这里
//! 同步一份。两侧一致由 unit test `runtime_schema_matches_strategy_runtime`
//! 守住。
//! - 该 schema 的 version 字段需要与 omniquant/src/platformSchema.ts 里
//! PLATFORM_RUNTIME_SCHEMA_VERSION 保持一致。前端读到不同版本时应给出诊断。
use serde::Serialize;
use serde_json::Value;
/// 当前 schema 版本号。每次 reserved/runtime 列表的破坏性变更需要 +1。
pub const PLATFORM_RUNTIME_SCHEMA_VERSION: &str = "1";
#[derive(Debug, Clone, Serialize)]
#[serde(rename_all = "camelCase")]
pub struct PlatformRuntimeSchema {
pub version: &'static str,
pub reserved_scope_names: Vec<&'static str>,
pub runtime_helper_functions: Vec<&'static str>,
pub rhai_builtin_functions: Vec<&'static str>,
pub rhai_keywords: Vec<&'static str>,
}
/// reserved scope names 列表。镜像 PlatformExprStrategy::reserved_scope_names。
pub fn reserved_scope_names() -> &'static [&'static str] {
RESERVED_SCOPE_NAMES
}
/// runtime helper functions 列表。镜像 PlatformExprStrategy::is_runtime_helper。
pub fn runtime_helper_functions() -> &'static [&'static str] {
RUNTIME_HELPER_FUNCTIONS
}
/// rhai engine 注册的内置函数列表。镜像 PlatformExprStrategy::new 中 register_fn
/// 的清单。
pub fn rhai_builtin_functions() -> &'static [&'static str] {
RHAI_BUILTIN_FUNCTIONS
}
/// rhai 控制流关键字(避免被前端校验视为未知)。
pub fn rhai_keywords() -> &'static [&'static str] {
RHAI_KEYWORDS
}
/// 构造完整 schema。
pub fn runtime_schema() -> PlatformRuntimeSchema {
PlatformRuntimeSchema {
version: PLATFORM_RUNTIME_SCHEMA_VERSION,
reserved_scope_names: RESERVED_SCOPE_NAMES.to_vec(),
runtime_helper_functions: RUNTIME_HELPER_FUNCTIONS.to_vec(),
rhai_builtin_functions: RHAI_BUILTIN_FUNCTIONS.to_vec(),
rhai_keywords: RHAI_KEYWORDS.to_vec(),
}
}
/// 把 schema 序列化为 JSON Value。给 fidc-data-center / strategy-runtime 接口使用。
pub fn runtime_schema_json() -> Value {
serde_json::to_value(runtime_schema()).expect("runtime schema serialization is infallible")
}
const RESERVED_SCOPE_NAMES: &[&str] = &[
// day-level
"signal_close",
"benchmark_close",
"signal_ma5",
"signal_ma10",
"signal_ma20",
"signal_ma30",
"benchmark_ma5",
"benchmark_ma10",
"benchmark_ma20",
"benchmark_ma30",
"benchmark_ma_short",
"benchmark_ma_long",
"cash",
"available_cash",
"frozen_cash",
"market_value",
"total_equity",
"total_value",
"portfolio_value",
"starting_cash",
"unit_net_value",
"static_unit_net_value",
"daily_pnl",
"daily_returns",
"total_returns",
"cash_liabilities",
"management_fee_rate",
"management_fees",
"current_exposure",
"position_count",
"max_positions",
"refresh_rate",
"year",
"month",
"quarter",
"day_of_month",
"day_of_year",
"week_of_year",
"weekday",
"is_month_start",
"is_month_end",
"has_open_orders",
"open_order_count",
"open_buy_order_count",
"open_sell_order_count",
"open_buy_qty",
"open_sell_qty",
"latest_open_order_id",
"latest_open_order_status",
"latest_open_order_unfilled_qty",
"has_process_events",
"process_event_count",
"current_process_kind",
"current_process_order_id",
"current_process_symbol",
"current_process_side",
"current_process_detail",
"latest_process_kind",
"latest_process_order_id",
"latest_process_symbol",
"latest_process_side",
"latest_process_detail",
"process_event_counts",
"day_factors",
// stock-level
"symbol",
"market_cap",
"free_float_cap",
"pe_ttm",
"volume",
"tick_volume",
"bid1_volume",
"ask1_volume",
"turnover_ratio",
"effective_turnover_ratio",
"open",
"high",
"low",
"close",
"last",
"last_price",
"prev_close",
"amount",
"upper_limit",
"lower_limit",
"price_tick",
"round_lot",
"paused",
"is_st",
"is_kcb",
"is_one_yuan",
"is_new_listing",
"allow_buy",
"allow_sell",
"touched_upper_limit",
"touched_lower_limit",
"hit_upper_limit",
"hit_lower_limit",
"listed_days",
"symbol_open_order_count",
"symbol_open_buy_qty",
"symbol_open_sell_qty",
"latest_symbol_open_order_id",
"latest_symbol_open_order_status",
"latest_symbol_open_order_unfilled_qty",
"stock_ma_short",
"stock_ma_mid",
"stock_ma_long",
"stock_ma5",
"stock_ma10",
"stock_ma20",
"stock_ma30",
"ma5",
"ma10",
"ma20",
"ma30",
"factors",
"order_book_id",
// position-level
"avg_cost",
"avg_price",
"current_price",
"position_prev_close",
"prev_position_close",
"holding_return",
"quantity",
"sellable_qty",
"sellable",
"closable",
"old_quantity",
"buy_quantity",
"sell_quantity",
"bought_quantity",
"sold_quantity",
"buy_avg_price",
"sell_avg_price",
"bought_value",
"sold_value",
"transaction_cost",
"position_market_value",
"equity",
"value_percent",
"unrealized_pnl",
"realized_pnl",
"pnl",
"day_trade_quantity_delta",
"profit_pct",
"trading_pnl",
"position_pnl",
"dividend_receivable",
"at_upper_limit",
"at_lower_limit",
];
const RUNTIME_HELPER_FUNCTIONS: &[&str] = &[
"factor",
"day_factor",
"rolling_mean",
"ma",
"sma",
"vma",
"rolling_sum",
"rolling_min",
"rolling_max",
"rolling_stddev",
"stddev",
"rolling_zscore",
"pct_change",
"factor_value",
"get_factor_value",
"factor_text",
"get_factor_text",
"dividend_cash",
"has_dividend",
"split_ratio",
"has_split",
"securities_margin",
"get_securities_margin_value",
"shares",
"get_shares_value",
"turnover_rate",
"get_turnover_rate_value",
"price_change_rate",
"get_price_change_rate_value",
"stock_connect",
"get_stock_connect_value",
"current_performance",
"fundamental",
"get_fundamentals_value",
"financial",
"get_financials_value",
"pit_financial",
"get_pit_financials_value",
"industry_code",
"get_industry_code",
"industry_name",
"get_industry_name",
"yield_curve",
"get_yield_curve_value",
"is_margin_stock",
"dominant_future",
"get_dominant_future",
"dominant_future_price",
"get_dominant_future_price_value",
];
const RHAI_BUILTIN_FUNCTIONS: &[&str] = &[
"round",
"floor",
"ceil",
"abs",
"min",
"max",
"sqrt",
"pow",
"log",
"exp",
"clamp",
"between",
"nz",
"safe_div",
"iff",
"contains",
"starts_with",
"ends_with",
"lower",
"upper",
"trim",
"strlen",
];
const RHAI_KEYWORDS: &[&str] = &[
"if", "else", "while", "loop", "for", "in", "break", "continue", "return", "fn", "let",
"const", "true", "false", "switch", "do",
];
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn runtime_schema_serializes_to_json_object() {
let value = runtime_schema_json();
assert!(value.is_object());
assert_eq!(value["version"], "1");
assert!(value["reservedScopeNames"].is_array());
assert!(value["runtimeHelperFunctions"].is_array());
assert!(value["rhaiBuiltinFunctions"].is_array());
assert!(value["rhaiKeywords"].is_array());
}
#[test]
fn runtime_schema_includes_known_identifiers() {
let names: std::collections::HashSet<&str> =
RESERVED_SCOPE_NAMES.iter().copied().collect();
for required in [
"signal_close",
"benchmark_close",
"close",
"avg_cost",
"current_price",
"stock_ma_short",
] {
assert!(names.contains(required), "missing reserved name: {required}");
}
let helpers: std::collections::HashSet<&str> =
RUNTIME_HELPER_FUNCTIONS.iter().copied().collect();
for required in ["rolling_mean", "factor", "pct_change"] {
assert!(
helpers.contains(required),
"missing helper function: {required}"
);
}
}
}