1use super::*;
2
3pub struct ExecutionEngine {
5 execution_strategies: HashMap<String, ExecutionStrategy>,
6 order_manager: OrderManager,
7 settlement_engine: SettlementEngine,
8}
9
10#[derive(Debug, Clone)]
12pub struct ExecutionStrategy {
13 pub strategy_id: String,
14 pub strategy_name: String,
15 pub strategy_type: ExecutionStrategyType,
16 pub parameters: ExecutionParameters,
17}
18
19#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
21pub enum ExecutionStrategyType {
22 MarketOrder,
23 LimitOrder,
24 VWAP,
25 TWAP,
26 ImplementationShortfall,
27}
28
29#[derive(Debug, Clone, Serialize, Deserialize)]
31pub struct ExecutionParameters {
32 pub order_size: f64,
33 pub price_limit: Option<f64>,
34 pub time_limit: Option<u64>,
35 pub participation_rate: Option<f64>,
36}
37
38pub struct OrderManager {
40 orders: HashMap<String, Order>,
41 order_validation: OrderValidation,
42 order_routing: OrderRouting,
43}
44
45#[derive(Debug, Clone)]
47pub struct Order {
48 pub order_id: String,
49 pub portfolio_id: String,
50 pub asset_id: String,
51 pub order_type: OrderType,
52 pub side: OrderSide,
53 pub quantity: f64,
54 pub price: Option<f64>,
55 pub time_in_force: TimeInForce,
56 pub status: OrderStatus,
57 pub created_at: u64,
58 pub updated_at: u64,
59}
60
61#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
63pub enum OrderType {
64 Market,
65 Limit,
66 Stop,
67 StopLimit,
68 TrailingStop,
69}
70
71#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
73pub enum OrderSide {
74 Buy,
75 Sell,
76}
77
78#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
80pub enum TimeInForce {
81 Day,
82 GTC,
83 IOC,
84 FOK,
85}
86
87#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
89pub enum OrderStatus {
90 New,
91 PartiallyFilled,
92 Filled,
93 Cancelled,
94 Rejected,
95}
96
97pub struct OrderValidation {
99 validation_rules: Vec<OrderValidationRule>,
100 compliance_checker: OrderComplianceChecker,
101}
102
103#[derive(Debug, Clone)]
105pub struct OrderValidationRule {
106 pub rule_id: String,
107 pub rule_type: OrderValidationRuleType,
108 pub condition: String,
109 pub action: OrderValidationAction,
110}
111
112#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
114pub enum OrderValidationRuleType {
115 Size,
116 Price,
117 Liquidity,
118 Risk,
119 Compliance,
120}
121
122#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
124pub enum OrderValidationAction {
125 Accept,
126 Reject,
127 Modify,
128 Escalate,
129}
130
131pub struct OrderComplianceChecker {
133 compliance_rules: Vec<OrderComplianceRule>,
134 regulatory_limits: HashMap<String, RegulatoryLimit>,
135}
136
137#[derive(Debug, Clone)]
139pub struct OrderComplianceRule {
140 pub rule_id: String,
141 pub rule_name: String,
142 pub conditions: Vec<OrderComplianceCondition>,
143 pub actions: Vec<OrderComplianceAction>,
144}
145
146#[derive(Debug, Clone)]
148pub struct OrderComplianceCondition {
149 pub condition_id: String,
150 pub field: String,
151 pub operator: ComparisonOperator,
152 pub value: OrderComplianceValue,
153}
154
155#[derive(Debug, Clone)]
157pub enum OrderComplianceValue {
158 String(String),
159 Number(f64),
160 Boolean(bool),
161}
162
163#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
165pub enum OrderComplianceAction {
166 Approve,
167 Reject,
168 Flag,
169 Escalate,
170}
171
172#[derive(Debug, Clone)]
174pub struct RegulatoryLimit {
175 pub limit_id: String,
176 pub limit_type: RegulatoryLimitType,
177 pub limit_value: f64,
178 pub reset_period: u64,
179}
180
181#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
183pub enum RegulatoryLimitType {
184 Position,
185 Trading,
186 Exposure,
187 Leverage,
188}
189
190pub struct OrderRouting {
192 routing_strategies: HashMap<String, RoutingStrategy>,
193 venue_selector: VenueSelector,
194}
195
196#[derive(Debug, Clone)]
198pub struct RoutingStrategy {
199 pub strategy_id: String,
200 pub strategy_name: String,
201 pub strategy_type: RoutingStrategyType,
202 pub parameters: RoutingParameters,
203}
204
205#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
207pub enum RoutingStrategyType {
208 BestExecution,
209 CostMinimization,
210 SpeedOptimization,
211 LiquiditySeeking,
212}
213
214#[derive(Debug, Clone, Serialize, Deserialize)]
216pub struct RoutingParameters {
217 pub venues: Vec<String>,
218 pub priority_factors: Vec<PriorityFactor>,
219 pub cost_factors: Vec<CostFactor>,
220}
221
222#[derive(Debug, Clone, Serialize, Deserialize)]
224pub struct PriorityFactor {
225 pub factor_name: String,
226 pub weight: f64,
227}
228
229#[derive(Debug, Clone, Serialize, Deserialize)]
231pub struct CostFactor {
232 pub factor_name: String,
233 pub cost_per_share: f64,
234}
235
236pub struct VenueSelector {
238 venues: HashMap<String, TradingVenue>,
239 venue_performance: HashMap<String, VenuePerformance>,
240}
241
242#[derive(Debug, Clone)]
244pub struct TradingVenue {
245 pub venue_id: String,
246 pub venue_name: String,
247 pub venue_type: VenueType,
248 pub supported_assets: Vec<String>,
249 pub fee_structure: FeeStructure,
250}
251
252#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
254pub enum VenueType {
255 Exchange,
256 ECN,
257 DarkPool,
258 Internalizer,
259 OTC,
260}
261
262#[derive(Debug, Clone)]
264pub struct FeeStructure {
265 pub commission_rate: f64,
266 pub clearing_fee: f64,
267 pub exchange_fee: f64,
268 pub regulatory_fee: f64,
269}
270
271#[derive(Debug, Clone)]
273pub struct VenuePerformance {
274 pub venue_id: String,
275 pub fill_rate: f64,
276 pub average_fill_time: f64,
277 pub price_improvement: f64,
278 pub market_impact: f64,
279}
280
281impl ExecutionEngine {
282 pub fn new() -> Self {
283 Self {
284 execution_strategies: HashMap::new(),
285 order_manager: OrderManager::new(),
286 settlement_engine: SettlementEngine::new(),
287 }
288 }
289
290 pub fn initialize(&mut self) -> Result<(), FinancialError> {
291 self.order_manager.initialize()?;
292 self.settlement_engine.initialize()?;
293 Ok(())
294 }
295
296 pub fn add_execution_strategy(&mut self, strategy: ExecutionStrategy) {
297 self.execution_strategies
298 .insert(strategy.strategy_id.clone(), strategy);
299 }
300
301 pub fn get_execution_strategy(&self, strategy_id: &str) -> Option<&ExecutionStrategy> {
302 self.execution_strategies.get(strategy_id)
303 }
304
305 pub fn list_execution_strategies(&self) -> Vec<String> {
306 self.execution_strategies.keys().cloned().collect()
307 }
308}
309
310impl OrderManager {
311 pub fn new() -> Self {
312 Self {
313 orders: HashMap::new(),
314 order_validation: OrderValidation::new(),
315 order_routing: OrderRouting::new(),
316 }
317 }
318
319 pub fn initialize(&mut self) -> Result<(), FinancialError> {
320 Ok(())
321 }
322
323 pub fn add_order(&mut self, order: Order) {
324 self.orders.insert(order.order_id.clone(), order);
325 }
326
327 pub fn get_order(&self, order_id: &str) -> Option<&Order> {
328 self.orders.get(order_id)
329 }
330
331 pub fn list_orders(&self) -> Vec<String> {
332 self.orders.keys().cloned().collect()
333 }
334
335 pub fn order_validation(&self) -> &OrderValidation {
336 &self.order_validation
337 }
338
339 pub fn order_validation_mut(&mut self) -> &mut OrderValidation {
340 &mut self.order_validation
341 }
342
343 pub fn order_routing(&self) -> &OrderRouting {
344 &self.order_routing
345 }
346
347 pub fn order_routing_mut(&mut self) -> &mut OrderRouting {
348 &mut self.order_routing
349 }
350}
351
352impl OrderValidation {
353 pub fn new() -> Self {
354 Self {
355 validation_rules: Vec::new(),
356 compliance_checker: OrderComplianceChecker::new(),
357 }
358 }
359
360 pub fn add_validation_rule(&mut self, rule: OrderValidationRule) {
361 self.validation_rules.push(rule);
362 }
363
364 pub fn list_validation_rules(&self) -> &[OrderValidationRule] {
365 &self.validation_rules
366 }
367
368 pub fn compliance_checker(&self) -> &OrderComplianceChecker {
369 &self.compliance_checker
370 }
371
372 pub fn compliance_checker_mut(&mut self) -> &mut OrderComplianceChecker {
373 &mut self.compliance_checker
374 }
375}
376
377impl OrderComplianceChecker {
378 pub fn new() -> Self {
379 Self {
380 compliance_rules: Vec::new(),
381 regulatory_limits: HashMap::new(),
382 }
383 }
384
385 pub fn add_compliance_rule(&mut self, rule: OrderComplianceRule) {
386 self.compliance_rules.push(rule);
387 }
388
389 pub fn list_compliance_rules(&self) -> &[OrderComplianceRule] {
390 &self.compliance_rules
391 }
392
393 pub fn add_regulatory_limit(&mut self, limit: RegulatoryLimit) {
394 self.regulatory_limits.insert(limit.limit_id.clone(), limit);
395 }
396
397 pub fn get_regulatory_limit(&self, limit_id: &str) -> Option<&RegulatoryLimit> {
398 self.regulatory_limits.get(limit_id)
399 }
400
401 pub fn list_regulatory_limits(&self) -> Vec<String> {
402 self.regulatory_limits.keys().cloned().collect()
403 }
404}
405
406impl OrderRouting {
407 pub fn new() -> Self {
408 Self {
409 routing_strategies: HashMap::new(),
410 venue_selector: VenueSelector::new(),
411 }
412 }
413
414 pub fn add_routing_strategy(&mut self, strategy: RoutingStrategy) {
415 self.routing_strategies
416 .insert(strategy.strategy_id.clone(), strategy);
417 }
418
419 pub fn get_routing_strategy(&self, strategy_id: &str) -> Option<&RoutingStrategy> {
420 self.routing_strategies.get(strategy_id)
421 }
422
423 pub fn list_routing_strategies(&self) -> Vec<String> {
424 self.routing_strategies.keys().cloned().collect()
425 }
426
427 pub fn venue_selector(&self) -> &VenueSelector {
428 &self.venue_selector
429 }
430
431 pub fn venue_selector_mut(&mut self) -> &mut VenueSelector {
432 &mut self.venue_selector
433 }
434}
435
436impl VenueSelector {
437 pub fn new() -> Self {
438 Self {
439 venues: HashMap::new(),
440 venue_performance: HashMap::new(),
441 }
442 }
443
444 pub fn add_venue(&mut self, venue: TradingVenue) {
445 self.venues.insert(venue.venue_id.clone(), venue);
446 }
447
448 pub fn get_venue(&self, venue_id: &str) -> Option<&TradingVenue> {
449 self.venues.get(venue_id)
450 }
451
452 pub fn list_venues(&self) -> Vec<String> {
453 self.venues.keys().cloned().collect()
454 }
455
456 pub fn add_venue_performance(&mut self, performance: VenuePerformance) {
457 self.venue_performance
458 .insert(performance.venue_id.clone(), performance);
459 }
460
461 pub fn get_venue_performance(&self, venue_id: &str) -> Option<&VenuePerformance> {
462 self.venue_performance.get(venue_id)
463 }
464}
465
466impl ExecutionStrategy {
467 pub fn new() -> Self {
468 Self {
469 strategy_id: "exec_1".to_string(),
470 strategy_name: "VWAP execution".to_string(),
471 strategy_type: ExecutionStrategyType::VWAP,
472 parameters: ExecutionParameters::new(),
473 }
474 }
475}
476
477impl ExecutionParameters {
478 pub fn new() -> Self {
479 Self {
480 order_size: 10000.0,
481 price_limit: None,
482 time_limit: Some(3600), participation_rate: Some(0.2),
484 }
485 }
486}
487
488impl Order {
489 pub fn new() -> Self {
490 Self {
491 order_id: "order_1".to_string(),
492 portfolio_id: "portfolio_1".to_string(),
493 asset_id: "asset_1".to_string(),
494 order_type: OrderType::Market,
495 side: OrderSide::Buy,
496 quantity: 100.0,
497 price: None,
498 time_in_force: TimeInForce::Day,
499 status: OrderStatus::New,
500 created_at: 0,
501 updated_at: 0,
502 }
503 }
504}
505
506impl OrderValidationRule {
507 pub fn new() -> Self {
508 Self {
509 rule_id: "rule_1".to_string(),
510 rule_type: OrderValidationRuleType::Size,
511 condition: "quantity > 0".to_string(),
512 action: OrderValidationAction::Accept,
513 }
514 }
515}
516
517impl OrderComplianceCondition {
518 pub fn new() -> Self {
519 Self {
520 condition_id: "cond_1".to_string(),
521 field: "quantity".to_string(),
522 operator: ComparisonOperator::GreaterThan,
523 value: OrderComplianceValue::Number(0.0),
524 }
525 }
526}
527
528impl OrderComplianceRule {
529 pub fn new() -> Self {
530 Self {
531 rule_id: "rule_1".to_string(),
532 rule_name: "Size validation".to_string(),
533 conditions: vec![OrderComplianceCondition::new()],
534 actions: vec![OrderComplianceAction::Approve],
535 }
536 }
537}
538
539impl RegulatoryLimit {
540 pub fn new() -> Self {
541 Self {
542 limit_id: "limit_1".to_string(),
543 limit_type: RegulatoryLimitType::Position,
544 limit_value: 1000000.0,
545 reset_period: 86400, }
547 }
548}
549
550impl RoutingStrategy {
551 pub fn new() -> Self {
552 Self {
553 strategy_id: "route_1".to_string(),
554 strategy_name: "Best execution".to_string(),
555 strategy_type: RoutingStrategyType::BestExecution,
556 parameters: RoutingParameters::new(),
557 }
558 }
559}
560
561impl RoutingParameters {
562 pub fn new() -> Self {
563 Self {
564 venues: vec!["venue_1".to_string()],
565 priority_factors: vec![PriorityFactor::new()],
566 cost_factors: vec![CostFactor::new()],
567 }
568 }
569}
570
571impl PriorityFactor {
572 pub fn new() -> Self {
573 Self {
574 factor_name: "Speed".to_string(),
575 weight: 0.5,
576 }
577 }
578}
579
580impl CostFactor {
581 pub fn new() -> Self {
582 Self {
583 factor_name: "Commission".to_string(),
584 cost_per_share: 0.001,
585 }
586 }
587}
588
589impl TradingVenue {
590 pub fn new() -> Self {
591 Self {
592 venue_id: "venue_1".to_string(),
593 venue_name: "NASDAQ".to_string(),
594 venue_type: VenueType::Exchange,
595 supported_assets: vec!["AAPL".to_string()],
596 fee_structure: FeeStructure::new(),
597 }
598 }
599}
600
601impl FeeStructure {
602 pub fn new() -> Self {
603 Self {
604 commission_rate: 0.001,
605 clearing_fee: 0.0001,
606 exchange_fee: 0.0002,
607 regulatory_fee: 0.0001,
608 }
609 }
610}
611
612impl VenuePerformance {
613 pub fn new() -> Self {
614 Self {
615 venue_id: "venue_1".to_string(),
616 fill_rate: 0.95,
617 average_fill_time: 100.0,
618 price_improvement: 0.001,
619 market_impact: 0.0005,
620 }
621 }
622}