Persistance and recovery

docs/FLOW_8_4_LIST_TRADING.md

@@ -10,6 +10,10 @@ The dealer's role is limited to:
 - Acknowledging messages (35=AI QuoteStatusReport, 35=BN ExecutionAck)
 - Sending a price quote (35=S)
 
+This document covers the **happy path** (client accepts) and two **alternative flows**:
+- **Flow 8.6 — Trade Ended:** Client cancels before or after receiving the quote
+- **QuoteAck Rejected:** TW rejects the dealer's quote
+
 ## Participants
 
 | Abbreviation | Role |
@@ -113,7 +117,7 @@ TW confirms the quote was accepted.
 |-----|-------|-------|
 | 1865 | QuoteAckStatus | `1` (ACCEPTED) |
 
-**Note:** If status is not ACCEPTED, the dealer should log a warning — the quote may have been rejected.
+**Note:** If status is not ACCEPTED, the dealer logs the rejection (including the `Text` field) and cleans up the trade from memory. See [QuoteAck Rejected](#quoteack-rejected-quote-not-accepted) below.
 
 ### Step 5 — QuoteResponse (35=AJ) — TW → Dealer
 
@@ -190,6 +194,115 @@ TW sends the full trade summary with additional details (parties, settlement inf
 
 Same format as Step 8.
 
+---
+
+## Alternative Flows
+
+### Flow 8.6 — Trade Ended (Client Cancels)
+
+The client changes their mind and ends the trade. This can happen at any point after the QuoteRequest — even before the dealer's quote arrives. TW informs the dealer via QuoteResponse (35=AJ) messages with `_TRDEND` and `_TRDSUMM` suffixes instead of the ExecutionReport chain.
+
+> **Critical:** The dealer MUST send a QuoteStatusReport (35=AI) ACK for every QuoteResponse. If no ACK is sent, TW will retry the message indefinitely (~every 11 seconds).
+
+```
+     TW                                          Dealer
+      │                                            │
+      │  1. QuoteRequest (35=R)                    │
+      │ ─────────────────────────────────────────> │
+      │                                            │
+      │  2. QuoteStatusReport (35=AI) [ACK]        │
+      │ <───────────────────────────────────────── │
+      │                                            │
+      │     ┌─── Client ends trade ───┐            │
+      │     │  Meanwhile, dealer may  │            │
+      │     │  still send Quote (S)   │            │
+      │     └─────────────────────────┘            │
+      │                                            │
+      │  3. QuoteResponse (35=AJ) [_TRDEND]        │
+      │     QuoteRespType=7 (End Trade)            │
+      │ ─────────────────────────────────────────> │
+      │                                            │
+      │  4. QuoteStatusReport (35=AI) [ACK]        │
+      │ <───────────────────────────────────────── │
+      │                                            │
+      │  5. QuoteAck (35=CW) [REJECTED]            │
+      │     (if quote was sent, TW rejects it)     │
+      │ ─────────────────────────────────────────> │
+      │                                            │
+      │  6. QuoteResponse (35=AJ) [_TRDSUMM]       │
+      │     QuoteRespType=7, TradeSummary=Y        │
+      │ ─────────────────────────────────────────> │
+      │                                            │
+      │  7. QuoteStatusReport (35=AI) [ACK]        │
+      │ <───────────────────────────────────────── │
+      │                                            │
+```
+
+#### Step 3 — QuoteResponse (35=AJ) `_TRDEND` — TW → Dealer
+
+TW notifies that the client ended the trade.
+
+| Tag | Field | Value | Notes |
+|-----|-------|-------|-------|
+| 693 | QuoteRespID | `..._TRDEND` | Suffix identifies this as trade end |
+| 694 | QuoteRespType | `7` (End Trade) | |
+| 131 | QuoteReqID | Same as original | |
+
+**Dealer action:** Send QuoteStatusReport (35=AI) with `693=QuoteRespID` and `297=0` (ACCEPTED).
+
+#### Step 5 — QuoteAck (35=CW) `REJECTED` — TW → Dealer
+
+If the dealer's Quote (35=S) crossed with the TRDEND, TW rejects it. The QuoteAckStatus will be `2` (REJECTED) with a text like "DPL DLRQUOTE received in an invalid state."
+
+**Dealer action:** Log the rejection and clean up the trade from memory.
+
+#### Step 6 — QuoteResponse (35=AJ) `_TRDSUMM` — TW → Dealer
+
+TW sends the final trade summary confirming the outcome.
+
+| Tag | Field | Value | Notes |
+|-----|-------|-------|-------|
+| 693 | QuoteRespID | `..._TRDSUMM` | Final summary message |
+| 694 | QuoteRespType | `7` (End Trade) | |
+| 22636 | TradeSummary | `Y` | Confirms this is the summary |
+
+**Dealer action:** Send QuoteStatusReport (35=AI) ACK. Clean up the trade from memory. This is the **terminal message** — no more messages will follow for this QuoteReqID.
+
+---
+
+### QuoteAck Rejected (Quote Not Accepted)
+
+If TW rejects the dealer's Quote (35=CW with status != ACCEPTED), the trade is dead from the dealer's perspective.
+
+```
+     TW                                          Dealer
+      │                                            │
+      │  1-3. (same as happy path)                 │
+      │                                            │
+      │  4. QuoteAck (35=CW) [REJECTED]            │
+      │     QuoteAckStatus != 1                    │
+      │ ─────────────────────────────────────────> │
+      │                                            │
+      │     Trade is terminated.                   │
+      │                                            │
+```
+
+**Dealer action:** Log the rejection (including the `Text` field with the reason) and remove the trade from memory. No further action needed — TW may or may not send subsequent messages for this QuoteReqID.
+
+---
+
+## QuoteRespID Suffix Routing in `handleQuoteResponse`
+
+All QuoteResponse (35=AJ) messages are routed by the suffix of the `QuoteRespID` (tag 693):
+
+```
+QuoteRespID ends with "_TRDREQ"   → Trade request (flow 8.4 happy path) — ACK
+QuoteRespID ends with "_TRDEND"   → Trade ended by client (flow 8.6) — ACK
+QuoteRespID ends with "_TRDSUMM"  → Trade summary (flow 8.6 final) — ACK + cleanup
+QuoteRespID ends with "_LISTEND"  → List ended — ACK
+Other suffix                       → Ignored (logged)
+```
+
 ## Code Reference
 
 The implementation lives in `src/client/fix/manager.go`:
@@ -197,20 +310,32 @@ The implementation lives in `src/client/fix/manager.go`:
 | Handler | Triggers on | Action |
 |---------|------------|--------|
 | `handleQuoteRequest` | 35=R | Sends 35=AI (ack) + 35=S (quote) |
-| `handleQuoteAck` | 35=CW | Logs status |
+| `handleQuoteAck` | 35=CW | If rejected: logs + cleans up trade. If accepted: logs |
-| `handleQuoteResponse` | 35=AJ | Sends 35=AI (TRDREQACK) |
+| `handleQuoteResponse` | 35=AJ | Sends 35=AI (ACK). Routes by QuoteRespID suffix. Cleans up on `_TRDSUMM` |
 | `handleExecutionReport` | 35=8 | Sends 35=BN (ack) + routes by ExecID suffix |
 | `sendQuoteStatusReport` | — | Builds 35=AI for QuoteRequest ack |
-| `sendTradeRequestAck` | — | Builds 35=AI for TRDREQACK |
+| `sendTradeRequestAck` | — | Builds 35=AI for QuoteResponse ack (all suffixes) |
 | `sendExecutionAck` | — | Builds 35=BN for ExecutionReport ack |
 
 ### ExecID Routing in `handleExecutionReport`
 
 ```
 ExecID contains "_LISTEND"  → Log only, await trade result
-ExecID contains "_TRDEND"   → Log + cleanup trade from memory
+ExecID contains "_TRDEND"   → Log trade end
-ExecID contains "_TRDSUMM"  → Log trade summary
+ExecID contains "_TRDSUMM"  → Log trade summary + cleanup trade from memory
 ExecType = F (fallback)     → Log generic trade result
 ```
 
 The order matters: ExecID suffix checks run before ExecType checks, because `_TRDEND` and `_TRDSUMM` both have `ExecType=F`.
+
+### Trade Cleanup Paths
+
+A trade is removed from memory in any of these scenarios:
+
+| Trigger | Message | Condition |
+|---------|---------|-----------|
+| QuoteAck rejected | 35=CW | `QuoteAckStatus != ACCEPTED` |
+| QuoteResponse summary | 35=AJ | `QuoteRespID` ends with `_TRDSUMM` (flow 8.6) |
+| ExecutionReport summary | 35=8 | `ExecID` contains `_TRDSUMM` (flow 8.4) |
+
+The `loadActiveTrades` recovery function replays today's messages and applies the same cleanup rules to reconstruct accurate state on restart.

src/client/api/rest/controller.go

@@ -29,25 +29,25 @@ const (
 )
 
 type Controller struct {
-	pool       *redis.Pool
+	pool          *redis.Pool
-	userData   app.UserDataProvider
+	userData      app.UserDataProvider
-	store      *store.Store
+	store         *store.Store
-	orderStore domain.OrderStore
+	tradeProvider TradeProvider
-	config     Config
+	config        Config
-	notify     domain.Notifier
+	notify        domain.Notifier
-	authMutex  deadlock.Mutex
+	authMutex     deadlock.Mutex
 }
 
 func newController(pool *redis.Pool, userData app.UserDataProvider,
-	s *store.Store, orderStore domain.OrderStore, config Config, n domain.Notifier,
+	s *store.Store, tradeProvider TradeProvider, config Config, n domain.Notifier,
 ) *Controller {
 	return &Controller{
-		pool:       pool,
+		pool:          pool,
-		userData:   userData,
+		userData:      userData,
-		store:      s,
+		store:         s,
-		orderStore: orderStore,
+		tradeProvider: tradeProvider,
-		config:     config,
+		config:        config,
-		notify:     n,
+		notify:        n,
 	}
 }
 
@@ -291,15 +291,37 @@ func allowed(origin string, config Config) bool {
 	return false
 }
 
-// GetOrders godoc
+// GetTrades godoc
-// @Summary List received FIX orders
+// @Summary List active trades
-// @Description Returns all NewOrderSingle messages received via FIX
+// @Description Returns all active List Trading trades
 // @Tags fix
 // @Produce json
-// @Success 200 {array} domain.Order
+// @Success 200 {array} domain.ListTrade
-// @Router /qfixdpl/v1/orders [get]
+// @Router /qfixdpl/v1/trades [get]
-func (cont *Controller) GetOrders(ctx *gin.Context) {
+func (cont *Controller) GetTrades(ctx *gin.Context) {
-	orders := cont.orderStore.GetOrders()
+	trades := cont.tradeProvider.GetTrades()
-	ctx.JSON(http.StatusOK, orders)
+	ctx.JSON(http.StatusOK, trades)
+}
+
+// GetLogs godoc
+// @Summary Get raw FIX logs for a trade
+// @Description Returns raw FIX message logs for a given QuoteReqID
+// @Tags fix
+// @Produce json
+// @Param quoteReqID path string true "QuoteReqID"
+// @Success 200 {object} domain.Logs
+// @Router /qfixdpl/v1/trades/{quoteReqID}/logs [get]
+func (cont *Controller) GetLogs(ctx *gin.Context) {
+	quoteReqID := ctx.Param("quoteReqID")
+
+	logs, err := cont.store.GetLogsByQuoteReqID(quoteReqID)
+	if err != nil {
+		slog.Error("GetLogs: error fetching logs", "quoteReqID", quoteReqID, "error", err)
+		ctx.JSON(http.StatusInternalServerError, HTTPError{Error: "error fetching logs"})
+
+		return
+	}
+
+	ctx.JSON(http.StatusOK, logs)
 }
 

src/client/api/rest/routes.go

@@ -21,7 +21,8 @@ func SetRoutes(api *API) {
 	qfixdpl := v1.Group("/")
 	qfixdpl.Use(cont.AuthRequired)
 	qfixdpl.GET("/health", cont.HealthCheck)
-	qfixdpl.GET("/orders", cont.GetOrders)
+	qfixdpl.GET("/trades", cont.GetTrades)
+	qfixdpl.GET("/trades/:quoteReqID/logs", cont.GetLogs)
 
 	backoffice := qfixdpl.Group("/backoffice")
 	backoffice.Use(cont.BackOfficeUser)

src/client/api/rest/server.go

@@ -16,6 +16,11 @@ import (
 	"quantex.com/qfixdpl/src/domain"
 )
 
+// TradeProvider exposes trade data from the FIX manager.
+type TradeProvider interface {
+	GetTrades() []domain.ListTrade
+}
+
 const RedisMaxIdle = 3000 // In ms
 
 type API struct {
@@ -32,7 +37,7 @@ type Config struct {
 	EnableJWTAuth      bool
 }
 
-func New(userData app.UserDataProvider, storeInstance *store.Store, orderStore domain.OrderStore, config Config, notify domain.Notifier) *API {
+func New(userData app.UserDataProvider, storeInstance *store.Store, tradeProvider TradeProvider, config Config, notify domain.Notifier) *API {
 	// Set up Gin
 	var engine *gin.Engine
 	if version.Environment() == version.EnvironmentTypeProd {
@@ -58,7 +63,7 @@ func New(userData app.UserDataProvider, storeInstance *store.Store, orderStore d
 	}
 
 	api := &API{
-		Controller: newController(NewPool(), userData, storeInstance, orderStore, config, notify),
+		Controller: newController(NewPool(), userData, storeInstance, tradeProvider, config, notify),
 		Router:     engine,
 		Port:       config.Port,
 	}

src/client/data/orders.go

@@ -1,41 +0,0 @@
-package data
-
-import (
-	"sync"
-
-	"quantex.com/qfixdpl/src/domain"
-)
-
-type InMemoryOrderStore struct {
-	mu     sync.RWMutex
-	orders []domain.Order
-}
-
-func NewOrderStore() *InMemoryOrderStore {
-	return &InMemoryOrderStore{}
-}
-
-func (s *InMemoryOrderStore) SaveOrder(order domain.Order) {
-	s.mu.Lock()
-	defer s.mu.Unlock()
-	s.orders = append(s.orders, order)
-}
-
-func (s *InMemoryOrderStore) GetOrders() []domain.Order {
-	s.mu.RLock()
-	defer s.mu.RUnlock()
-	result := make([]domain.Order, len(s.orders))
-	copy(result, s.orders)
-	return result
-}
-
-func (s *InMemoryOrderStore) GetOrderByClOrdID(id string) (domain.Order, bool) {
-	s.mu.RLock()
-	defer s.mu.RUnlock()
-	for _, o := range s.orders {
-		if o.ClOrdID == id {
-			return o, true
-		}
-	}
-	return domain.Order{}, false
-}

src/client/fix/application.go

@@ -26,6 +26,7 @@ type application struct {
 	onQuoteResponse   func(quoteresponse.QuoteResponse, quickfix.SessionID)
 	onExecutionReport func(executionreport.ExecutionReport, quickfix.SessionID)
 	onExecutionAck    func(executionack.ExecutionAck, quickfix.SessionID)
+	onRawMessage      func(direction string, msg *quickfix.Message)
 }
 
 func newApplication(n domain.Notifier) *application {
@@ -67,7 +68,13 @@ func (a *application) OnLogout(sessionID quickfix.SessionID) {
 
 func (a *application) ToAdmin(_ *quickfix.Message, _ quickfix.SessionID) {}
 
-func (a *application) ToApp(_ *quickfix.Message, _ quickfix.SessionID) error { return nil }
+func (a *application) ToApp(msg *quickfix.Message, _ quickfix.SessionID) error {
+	if a.onRawMessage != nil {
+		a.onRawMessage("OUT", msg)
+	}
+
+	return nil
+}
 
 func (a *application) FromAdmin(_ *quickfix.Message, _ quickfix.SessionID) quickfix.MessageRejectError {
 	return nil
@@ -88,6 +95,10 @@ func (a *application) FromApp(msg *quickfix.Message, sessionID quickfix.SessionI
 		"rawMsg", msg.String(),
 	)
 
+	if a.onRawMessage != nil {
+		a.onRawMessage("IN", msg)
+	}
+
 	rejErr := a.router.Route(msg, sessionID)
 	if rejErr != nil {
 		slog.Error("FIX FromApp routing failed",

src/client/fix/manager.go

@@ -48,18 +48,18 @@ type Manager struct {
 	sessions   map[string]quickfix.SessionID
 	tradesMu   sync.RWMutex
 	trades     map[string]*listTrade
-	orderStore domain.OrderStore
+	store      domain.PersistenceStore
 	notify     domain.Notifier
 	cfg        app.FIXConfig
 }
 
-func NewManager(cfg app.FIXConfig, orderStore domain.OrderStore, notify domain.Notifier) *Manager {
+func NewManager(cfg app.FIXConfig, store domain.PersistenceStore, notify domain.Notifier) *Manager {
 	return &Manager{
-		sessions:   make(map[string]quickfix.SessionID),
+		sessions: make(map[string]quickfix.SessionID),
-		trades:     make(map[string]*listTrade),
+		trades:   make(map[string]*listTrade),
-		orderStore: orderStore,
+		store:    store,
-		notify:     notify,
+		notify:   notify,
-		cfg:        cfg,
+		cfg:      cfg,
 	}
 }
 
@@ -72,8 +72,13 @@ func (m *Manager) Start() error {
 	fixApp.onQuoteResponse = m.handleQuoteResponse
 	fixApp.onExecutionReport = m.handleExecutionReport
 	fixApp.onExecutionAck = m.handleExecutionAck
+	fixApp.onRawMessage = m.handleRawMessage
 	m.app = fixApp
 
+	if err := m.loadActiveTrades(); err != nil {
+		slog.Error("failed to load active trades from DB, starting with empty state", "error", err)
+	}
+
 	f, err := os.Open(m.cfg.SettingsFile)
 	if err != nil {
 		err = tracerr.Errorf("error opening FIX settings file %q: %s", m.cfg.SettingsFile, err)
@@ -307,47 +312,96 @@ func (m *Manager) handleQuoteRequest(msg quoterequest.QuoteRequest, sessionID qu
 		SessionID:     sessionID,
 	}
 	m.tradesMu.Unlock()
+
+	// Persist structured message (outside mutex).
+	m.persistMessage(quoteReqID, parseQuoteRequest(msg))
+
+	// Persist outgoing QuoteStatusReport.
+	m.persistMessage(quoteReqID, buildOutgoingMessageJSON("AI", quoteReqID, map[string]interface{}{
+		"QuoteReqID":    quoteReqID,
+		"QuoteStatus":   string(enum.QuoteStatus_ACCEPTED),
+		"OwnerTraderID": ownerTraderID,
+	}))
+
+	// Persist outgoing Quote.
+	m.persistMessage(quoteReqID, buildOutgoingMessageJSON("S", quoteReqID, map[string]interface{}{
+		"QuoteReqID": quoteReqID,
+		"QuoteID":    quoteID,
+		"Symbol":     symbol,
+		"Side":       string(side),
+		"Price":      price.String(),
+		"OrderQty":   orderQty.String(),
+		"Currency":   currency,
+		"SettlDate":  settlDate,
+	}))
 }
 
 // handleQuoteAck handles an incoming QuoteAck (35=CW).
 func (m *Manager) handleQuoteAck(msg quoteack.QuoteAck, sessionID quickfix.SessionID) {
 	quoteReqID, _ := msg.GetQuoteReqID()
 	status, _ := msg.GetQuoteAckStatus()
+	text, _ := msg.GetText()
+
+	m.persistMessage(quoteReqID, parseQuoteAck(msg))
 
 	if status != enum.QuoteAckStatus_ACCEPTED {
-		slog.Warn("handleQuoteAck: unexpected status", "quoteReqID", quoteReqID, "quoteAckStatus", status)
+		slog.Error("handleQuoteAck: quote rejected by TW", "quoteReqID", quoteReqID, "quoteAckStatus", string(status), "text", text)
+
+		m.tradesMu.Lock()
+		delete(m.trades, quoteReqID)
+		m.tradesMu.Unlock()
+
+		return
 	}
+
+	slog.Info("handleQuoteAck: accepted", "quoteReqID", quoteReqID)
 }
 
 // handleQuoteResponse handles an incoming QuoteResponse (35=AJ).
+// Supports _TRDREQ (trade request), _TRDEND (trade ended), and _TRDSUMM (trade summary) suffixes.
 func (m *Manager) handleQuoteResponse(msg quoteresponse.QuoteResponse, sessionID quickfix.SessionID) {
 	quoteReqID, _ := msg.GetQuoteReqID()
 	quoteRespID, _ := msg.GetQuoteRespID()
 
 	slog.Info("handleQuoteResponse", "quoteReqID", quoteReqID, "quoteRespID", quoteRespID)
 
-	if !strings.HasSuffix(quoteRespID, "_TRDREQ") {
+	isTrdReq := strings.HasSuffix(quoteRespID, "_TRDREQ")
-		slog.Info("handleQuoteResponse: QuoteRespID does not end with _TRDREQ, ignoring", "quoteRespID", quoteRespID)
+	isTrdEnd := strings.HasSuffix(quoteRespID, "_TRDEND")
-		return
+	isTrdSumm := strings.HasSuffix(quoteRespID, "_TRDSUMM")
-	}
+	isListEnd := strings.HasSuffix(quoteRespID, "_LISTEND")
 
-	m.tradesMu.RLock()
+	if !isTrdReq && !isTrdEnd && !isTrdSumm && !isListEnd {
-	_, ok := m.trades[quoteReqID]
+		slog.Info("handleQuoteResponse: QuoteRespID has unrecognized suffix, ignoring", "quoteRespID", quoteRespID)
-	m.tradesMu.RUnlock()
-
-	if !ok {
-		slog.Warn("handleQuoteResponse: no trade found for QuoteReqID", "quoteReqID", quoteReqID)
 		return
 	}
 
 	// TODO: handle 694=2 (Counter) for flow 8.5 (Client Countering) in the future.
 
-	// Send QuoteStatusReport (35=AI) as TRDREQACK.
+	// Always send ACK regardless of whether the trade is in our map.
+	// TW will keep retrying until it receives an ACK.
 	if ackErr := m.sendTradeRequestAck(quoteReqID, quoteRespID, sessionID); ackErr != nil {
-		slog.Error("handleQuoteResponse: failed to send TRDREQACK", "quoteReqID", quoteReqID, "error", ackErr.Error())
+		slog.Error("handleQuoteResponse: failed to send ACK", "quoteReqID", quoteReqID, "quoteRespID", quoteRespID, "error", ackErr.Error())
 		return
 	}
-	slog.Info("TRDREQACK sent", "quoteReqID", quoteReqID, "quoteRespID", quoteRespID)
+	slog.Info("QuoteResponse ACK sent", "quoteReqID", quoteReqID, "quoteRespID", quoteRespID)
+
+	// Persist incoming QuoteResponse.
+	m.persistMessage(quoteReqID, parseQuoteResponse(msg))
+
+	// Persist outgoing ACK.
+	m.persistMessage(quoteReqID, buildOutgoingMessageJSON("AI", quoteReqID, map[string]interface{}{
+		"QuoteReqID":  quoteReqID,
+		"QuoteRespID": quoteRespID,
+		"QuoteStatus": string(enum.QuoteStatus_ACCEPTED),
+	}))
+
+	// _TRDSUMM is the final message — clean up the trade.
+	if isTrdSumm {
+		slog.Info("Trade summary received, cleaning up", "quoteReqID", quoteReqID)
+		m.tradesMu.Lock()
+		delete(m.trades, quoteReqID)
+		m.tradesMu.Unlock()
+	}
 }
 
 // handleExecutionReport handles an incoming ExecutionReport (35=8).
@@ -378,23 +432,172 @@ func (m *Manager) handleExecutionReport(msg executionreport.ExecutionReport, ses
 			"execID", execID, "clOrdID", clOrdID)
 
 	case strings.Contains(execID, "_TRDEND"):
-		slog.Info("Trade ended, cleaning up", "execID", execID, "clOrdID", clOrdID)
+		slog.Info("Trade ended", "execID", execID, "clOrdID", clOrdID)
+
+	case strings.Contains(execID, "_TRDSUMM"):
+		slog.Info("Trade summary received from TW, cleaning up",
+			"execID", execID, "clOrdID", clOrdID, "ordStatus", string(ordStatus), "listID", listID)
 
 		m.tradesMu.Lock()
 		delete(m.trades, clOrdID)
 		m.tradesMu.Unlock()
 
-	case strings.Contains(execID, "_TRDSUMM"):
-		slog.Info("Trade summary received from TW",
-			"execID", execID, "clOrdID", clOrdID, "ordStatus", string(ordStatus), "listID", listID)
-
 	case execType == enum.ExecType_TRADE:
 		slog.Info("Trade result received from TW",
 			"execID", execID, "clOrdID", clOrdID, "ordStatus", string(ordStatus), "listID", listID)
 	}
+
+	// Persist incoming ExecutionReport.
+	m.persistMessage(clOrdID, parseExecutionReport(msg))
+
+	// Persist outgoing ExecutionAck.
+	m.persistMessage(clOrdID, buildOutgoingMessageJSON("BN", clOrdID, map[string]interface{}{
+		"OrderID":       orderID,
+		"ExecID":        execID,
+		"ClOrdID":       clOrdID,
+		"ExecAckStatus": string(enum.ExecAckStatus_ACCEPTED),
+	}))
 }
 
 // handleExecutionAck handles an incoming ExecutionAck (35=BN) from TW.
 func (m *Manager) handleExecutionAck(msg executionack.ExecutionAck, sessionID quickfix.SessionID) {
 	// Logged in application.go, no further action needed.
 }
+
+// GetTrades returns a snapshot of all active trades.
+func (m *Manager) GetTrades() []domain.ListTrade {
+	m.tradesMu.RLock()
+	defer m.tradesMu.RUnlock()
+
+	trades := make([]domain.ListTrade, 0, len(m.trades))
+	for _, t := range m.trades {
+		trades = append(trades, domain.ListTrade{
+			QuoteReqID:    t.QuoteReqID,
+			ListID:        t.ListID,
+			Symbol:        t.Symbol,
+			SecurityIDSrc: string(t.SecurityIDSrc),
+			Currency:      t.Currency,
+			Side:          string(t.Side),
+			OrderQty:      t.OrderQty.String(),
+			SettlDate:     t.SettlDate,
+			Price:         t.Price.String(),
+			OwnerTraderID: t.OwnerTraderID,
+		})
+	}
+
+	return trades
+}
+
+// handleRawMessage persists raw FIX message strings to the logs table.
+func (m *Manager) handleRawMessage(direction string, msg *quickfix.Message) {
+	quoteReqID := extractIdentifier(msg)
+
+	if err := m.store.SaveLog(domain.LogEntry{
+		QuoteReqID: quoteReqID,
+		RawMsg:     "[" + direction + "] " + msg.String(),
+	}); err != nil {
+		slog.Error("failed to persist raw log", "error", err)
+	}
+}
+
+// persistMessage saves a structured FIX message to the messages table.
+func (m *Manager) persistMessage(quoteReqID string, fixJSON domain.FixMessageJSON) {
+	if err := m.store.SaveMessage(domain.TradeMessage{
+		QuoteReqID: quoteReqID,
+		JMessage:   fixJSON,
+	}); err != nil {
+		slog.Error("failed to persist message", "msgType", fixJSON.MsgType, "quoteReqID", quoteReqID, "error", err)
+	}
+}
+
+// loadActiveTrades reconstructs active trades from today's messages in the database.
+func (m *Manager) loadActiveTrades() error {
+	messages, err := m.store.GetTodayMessages()
+	if err != nil {
+		return err
+	}
+
+	activeTrades := make(map[string]*listTrade)
+
+	for _, msg := range messages {
+		switch msg.JMessage.MsgType {
+		case "R": // QuoteRequest -> trade is born
+			if !strings.HasPrefix(msg.QuoteReqID, "LST_") {
+				continue
+			}
+
+			body := msg.JMessage.Body
+
+			nt, _ := body["NegotiationType"].(string)
+			if nt != "RFQ" {
+				continue
+			}
+
+			listID, _ := body["ListID"].(string)
+			if listID == "" {
+				continue
+			}
+
+			trade := &listTrade{
+				QuoteReqID: msg.QuoteReqID,
+				ListID:     listID,
+			}
+
+			if v, ok := body["SecurityID"].(string); ok {
+				trade.Symbol = v
+			}
+
+			if v, ok := body["Currency"].(string); ok {
+				trade.Currency = v
+			}
+
+			if v, ok := body["Side"].(string); ok {
+				trade.Side = enum.Side(v)
+			}
+
+			if v, ok := body["OrderQty"].(string); ok {
+				trade.OrderQty, _ = decimal.NewFromString(v)
+			}
+
+			if v, ok := body["SettlDate"].(string); ok {
+				trade.SettlDate = v
+			}
+
+			if v, ok := body["OwnerTraderID"].(string); ok {
+				trade.OwnerTraderID = v
+			}
+
+			activeTrades[msg.QuoteReqID] = trade
+
+		case "CW": // QuoteAck — if rejected, trade is dead
+			body := msg.JMessage.Body
+			quoteAckStatus, _ := body["QuoteAckStatus"].(string)
+
+			if quoteAckStatus != string(enum.QuoteAckStatus_ACCEPTED) {
+				delete(activeTrades, msg.QuoteReqID)
+			}
+
+		case "AJ": // QuoteResponse — _TRDSUMM means trade is done (flow 8.6)
+			body := msg.JMessage.Body
+			quoteRespID, _ := body["QuoteRespID"].(string)
+
+			if strings.HasSuffix(quoteRespID, "_TRDSUMM") {
+				delete(activeTrades, msg.QuoteReqID)
+			}
+
+		case "8": // ExecutionReport — _TRDSUMM means trade is done (flow 8.4)
+			body := msg.JMessage.Body
+			execID, _ := body["ExecID"].(string)
+			clOrdID, _ := body["ClOrdID"].(string)
+
+			if strings.Contains(execID, "_TRDSUMM") {
+				delete(activeTrades, clOrdID)
+			}
+		}
+	}
+
+	m.trades = activeTrades
+	slog.Info("recovery completed", "activeTrades", len(activeTrades))
+
+	return nil
+}

src/client/fix/parser.go

@@ -0,0 +1,229 @@
+package fix
+
+import (
+	"time"
+
+	"quantex.com/qfixdpl/quickfix"
+	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/executionreport"
+	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoteack"
+	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoterequest"
+	"quantex.com/qfixdpl/quickfix/gen/fix50sp2/quoteresponse"
+	"quantex.com/qfixdpl/quickfix/gen/tag"
+	"quantex.com/qfixdpl/src/domain"
+)
+
+func extractHeader(msg *quickfix.Message) map[string]interface{} {
+	header := make(map[string]interface{})
+
+	if v, err := msg.Header.GetBytes(tag.BeginString); err == nil {
+		header["BeginString"] = string(v)
+	}
+	if v, err := msg.Header.GetBytes(tag.MsgType); err == nil {
+		header["MsgType"] = string(v)
+	}
+	if v, err := msg.Header.GetBytes(tag.SenderCompID); err == nil {
+		header["SenderCompID"] = string(v)
+	}
+	if v, err := msg.Header.GetBytes(tag.TargetCompID); err == nil {
+		header["TargetCompID"] = string(v)
+	}
+	if v, err := msg.Header.GetBytes(tag.MsgSeqNum); err == nil {
+		header["MsgSeqNum"] = string(v)
+	}
+	if v, err := msg.Header.GetBytes(tag.SendingTime); err == nil {
+		header["SendingTime"] = string(v)
+	}
+
+	return header
+}
+
+func parseQuoteRequest(msg quoterequest.QuoteRequest) domain.FixMessageJSON {
+	quoteReqID, _ := msg.GetQuoteReqID()
+	body := map[string]interface{}{"QuoteReqID": quoteReqID}
+
+	if relSyms, err := msg.GetNoRelatedSym(); err == nil && relSyms.Len() > 0 {
+		sym := relSyms.Get(0)
+		if v, e := sym.GetSecurityID(); e == nil {
+			body["SecurityID"] = v
+		}
+		if v, e := sym.GetSecurityIDSource(); e == nil {
+			body["SecurityIDSource"] = string(v)
+		}
+		if v, e := sym.GetCurrency(); e == nil {
+			body["Currency"] = v
+		}
+		if v, e := sym.GetSide(); e == nil {
+			body["Side"] = string(v)
+		}
+		if v, e := sym.GetOrderQty(); e == nil {
+			body["OrderQty"] = v.String()
+		}
+		if v, e := sym.GetSettlDate(); e == nil {
+			body["SettlDate"] = v
+		}
+		if v, e := sym.GetListID(); e == nil {
+			body["ListID"] = v
+		}
+		if v, e := sym.GetOwnerTraderID(); e == nil {
+			body["OwnerTraderID"] = v
+		}
+		if v, e := sym.GetNegotiationType(); e == nil {
+			body["NegotiationType"] = v
+		}
+	}
+
+	return domain.FixMessageJSON{
+		Direction:   "IN",
+		MsgType:     "R",
+		QuoteReqID:  quoteReqID,
+		Header:      extractHeader(msg.Message),
+		Body:        body,
+		ReceiveTime: time.Now(),
+	}
+}
+
+func parseQuoteAck(msg quoteack.QuoteAck) domain.FixMessageJSON {
+	quoteReqID, _ := msg.GetQuoteReqID()
+	body := map[string]interface{}{"QuoteReqID": quoteReqID}
+
+	if v, e := msg.GetQuoteID(); e == nil {
+		body["QuoteID"] = v
+	}
+	if v, e := msg.GetQuoteAckStatus(); e == nil {
+		body["QuoteAckStatus"] = string(v)
+	}
+	if v, e := msg.GetText(); e == nil {
+		body["Text"] = v
+	}
+
+	return domain.FixMessageJSON{
+		Direction:   "IN",
+		MsgType:     "CW",
+		QuoteReqID:  quoteReqID,
+		Header:      extractHeader(msg.Message),
+		Body:        body,
+		ReceiveTime: time.Now(),
+	}
+}
+
+func parseQuoteResponse(msg quoteresponse.QuoteResponse) domain.FixMessageJSON {
+	quoteReqID, _ := msg.GetQuoteReqID()
+	body := map[string]interface{}{"QuoteReqID": quoteReqID}
+
+	if v, e := msg.GetQuoteRespID(); e == nil {
+		body["QuoteRespID"] = v
+	}
+	if v, e := msg.GetQuoteRespType(); e == nil {
+		body["QuoteRespType"] = string(v)
+	}
+	if v, e := msg.GetSide(); e == nil {
+		body["Side"] = string(v)
+	}
+	if v, e := msg.GetPrice(); e == nil {
+		body["Price"] = v.String()
+	}
+	if v, e := msg.GetOrderQty(); e == nil {
+		body["OrderQty"] = v.String()
+	}
+	if v, e := msg.GetClOrdID(); e == nil {
+		body["ClOrdID"] = v
+	}
+
+	return domain.FixMessageJSON{
+		Direction:   "IN",
+		MsgType:     "AJ",
+		QuoteReqID:  quoteReqID,
+		Header:      extractHeader(msg.Message),
+		Body:        body,
+		ReceiveTime: time.Now(),
+	}
+}
+
+func parseExecutionReport(msg executionreport.ExecutionReport) domain.FixMessageJSON {
+	clOrdID, _ := msg.GetClOrdID()
+	body := map[string]interface{}{"ClOrdID": clOrdID}
+
+	if v, e := msg.GetExecID(); e == nil {
+		body["ExecID"] = v
+	}
+	if v, e := msg.GetOrderID(); e == nil {
+		body["OrderID"] = v
+	}
+	if v, e := msg.GetExecType(); e == nil {
+		body["ExecType"] = string(v)
+	}
+	if v, e := msg.GetOrdStatus(); e == nil {
+		body["OrdStatus"] = string(v)
+	}
+	if v, e := msg.GetListID(); e == nil {
+		body["ListID"] = v
+	}
+	if v, e := msg.GetSide(); e == nil {
+		body["Side"] = string(v)
+	}
+	if v, e := msg.GetSymbol(); e == nil {
+		body["Symbol"] = v
+	}
+	if v, e := msg.GetSecurityID(); e == nil {
+		body["SecurityID"] = v
+	}
+	if v, e := msg.GetCurrency(); e == nil {
+		body["Currency"] = v
+	}
+	if v, e := msg.GetPrice(); e == nil {
+		body["Price"] = v.String()
+	}
+	if v, e := msg.GetLastPx(); e == nil {
+		body["LastPx"] = v.String()
+	}
+	if v, e := msg.GetLastQty(); e == nil {
+		body["LastQty"] = v.String()
+	}
+	if v, e := msg.GetOrderQty(); e == nil {
+		body["OrderQty"] = v.String()
+	}
+	if v, e := msg.GetSettlDate(); e == nil {
+		body["SettlDate"] = v
+	}
+
+	return domain.FixMessageJSON{
+		Direction:   "IN",
+		MsgType:     "8",
+		QuoteReqID:  clOrdID,
+		Header:      extractHeader(msg.Message),
+		Body:        body,
+		ReceiveTime: time.Now(),
+	}
+}
+
+// extractIdentifier extracts the trade identifier from a parsed FIX message.
+// For ExecutionReport (8) and ExecutionAck (BN), uses ClOrdID (tag 11).
+// For all other message types, uses QuoteReqID (tag 131).
+func extractIdentifier(msg *quickfix.Message) string {
+	msgType, _ := msg.Header.GetBytes(tag.MsgType)
+
+	switch string(msgType) {
+	case "8", "BN":
+		var clOrdID quickfix.FIXString
+		if err := msg.Body.GetField(tag.ClOrdID, &clOrdID); err == nil {
+			return string(clOrdID)
+		}
+	default:
+		var quoteReqID quickfix.FIXString
+		if err := msg.Body.GetField(tag.QuoteReqID, &quoteReqID); err == nil {
+			return string(quoteReqID)
+		}
+	}
+
+	return ""
+}
+
+func buildOutgoingMessageJSON(msgType, quoteReqID string, body map[string]interface{}) domain.FixMessageJSON {
+	return domain.FixMessageJSON{
+		Direction:   "OUT",
+		MsgType:     msgType,
+		QuoteReqID:  quoteReqID,
+		Body:        body,
+		ReceiveTime: time.Now(),
+	}
+}

src/client/store/db.sql

@@ -0,0 +1,16 @@
+CREATE TABLE IF NOT EXISTS qfixdpl_messages (
+    id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    quote_req_id TEXT NOT NULL,
+    j_message   JSONB NOT NULL,
+    created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);
+CREATE INDEX IF NOT EXISTS idx_messages_quote_req_id ON qfixdpl_messages(quote_req_id);
+CREATE INDEX IF NOT EXISTS idx_messages_created_at ON qfixdpl_messages(created_at);
+
+CREATE TABLE IF NOT EXISTS qfixdpl_logs (
+    id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    quote_req_id TEXT NOT NULL UNIQUE,
+    raw_msg     TEXT NOT NULL,
+    created_at  TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    updated_at  TIMESTAMPTZ NOT NULL DEFAULT NOW()
+);

src/client/store/manager.go

@@ -2,7 +2,9 @@
 package store
 
 import (
+	_ "embed"
 	"log/slog"
+	"strings"
 	"time"
 
 	"quantex.com.ar/multidb"
@@ -11,6 +13,9 @@ import (
 	"quantex.com/qfixdpl/src/common/tracerr"
 )
 
+//go:embed db.sql
+var schemaSQL string
+
 const dbPingSeconds = 30
 
 type Store struct {
@@ -45,9 +50,31 @@ func New(config Config) (*Store, error) {
 
 	go s.db.PeriodicDBPing(time.Second * dbPingSeconds)
 
+	if err := s.ensureTables(); err != nil {
+		return nil, tracerr.Errorf("error ensuring tables: %w", err)
+	}
+
 	return s, nil
 }
 
+func (p *Store) ensureTables() error {
+	statements := strings.Split(schemaSQL, ";")
+	for _, stmt := range statements {
+		stmt = strings.TrimSpace(stmt)
+		if stmt == "" {
+			continue
+		}
+
+		if _, err := p.db.Exec(stmt); err != nil {
+			return tracerr.Errorf("error executing schema statement: %w", err)
+		}
+	}
+
+	slog.Info("database tables ensured")
+
+	return nil
+}
+
 func (p *Store) CloseDB() {
 	p.db.Close()
 	slog.Info("closing database connection.")

src/client/store/persistence.go

@@ -0,0 +1,105 @@
+package store
+
+import (
+	"encoding/json"
+	"strings"
+	"time"
+
+	"quantex.com/qfixdpl/src/common/tracerr"
+	"quantex.com/qfixdpl/src/domain"
+)
+
+func (p *Store) SaveMessage(msg domain.TradeMessage) error {
+	jsonBytes, err := json.Marshal(msg.JMessage)
+	if err != nil {
+		return tracerr.Errorf("error marshaling j_message: %w", err)
+	}
+
+	_, err = p.db.Exec(
+		"INSERT INTO qfixdpl_messages (quote_req_id, j_message) VALUES ($1, $2)",
+		msg.QuoteReqID, string(jsonBytes),
+	)
+	if err != nil {
+		return tracerr.Errorf("error inserting message: %w", err)
+	}
+
+	return nil
+}
+
+func (p *Store) SaveLog(entry domain.LogEntry) error {
+	upsertStmt := `INSERT INTO qfixdpl_logs (quote_req_id, raw_msg)
+		 VALUES ($1, $2)
+		 ON CONFLICT (quote_req_id) DO UPDATE
+		 SET raw_msg = qfixdpl_logs.raw_msg || E'\n' || EXCLUDED.raw_msg,
+		     updated_at = NOW()`
+
+	_, err := p.db.Exec(upsertStmt, entry.QuoteReqID, entry.RawMsg)
+	if err != nil {
+		return tracerr.Errorf("error upserting log: %w", err)
+	}
+
+	return nil
+}
+
+func (p *Store) GetTodayMessages() ([]domain.TradeMessage, error) {
+	rows, err := p.db.Query(
+		"SELECT id, quote_req_id, j_message, created_at FROM qfixdpl_messages WHERE created_at >= current_date ORDER BY created_at ASC",
+	)
+	if err != nil {
+		return nil, tracerr.Errorf("error querying today messages: %w", err)
+	}
+	defer rows.Close()
+
+	var messages []domain.TradeMessage
+
+	for rows.Next() {
+		var (
+			id, quoteReqID string
+			jMessageRaw    []byte
+			createdAt      time.Time
+		)
+
+		if err := rows.Scan(&id, &quoteReqID, &jMessageRaw, &createdAt); err != nil {
+			return nil, tracerr.Errorf("error scanning message row: %w", err)
+		}
+
+		var jMessage domain.FixMessageJSON
+		if err := json.Unmarshal(jMessageRaw, &jMessage); err != nil {
+			return nil, tracerr.Errorf("error unmarshaling j_message: %w", err)
+		}
+
+		messages = append(messages, domain.TradeMessage{
+			ID:         id,
+			QuoteReqID: quoteReqID,
+			JMessage:   jMessage,
+			CreatedAt:  createdAt,
+		})
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, tracerr.Errorf("error iterating message rows: %w", err)
+	}
+
+	return messages, nil
+}
+
+func (p *Store) GetLogsByQuoteReqID(quoteReqID string) (domain.Logs, error) {
+	selectStmt := "SELECT raw_msg FROM qfixdpl_logs WHERE quote_req_id = '" + quoteReqID + "';"
+
+	response, err := p.db.Query(selectStmt)
+	if err != nil {
+		return domain.Logs{}, tracerr.Errorf("error querying logs: %w", err)
+	}
+	defer response.Close()
+
+	if !response.Next() {
+		return domain.Logs{}, nil
+	}
+
+	var rawMsg string
+	if err := response.Scan(&rawMsg); err != nil {
+		return domain.Logs{}, tracerr.Errorf("error scanning log row: %w", err)
+	}
+
+	return domain.Logs{Entries: strings.Split(rawMsg, "\n")}, nil
+}

src/cmd/service/service.go

@@ -38,9 +38,8 @@ func Runner(cfg app.Config) error {
 	}
 
 	userData := data.New()
-	orderStore := data.NewOrderStore()
 
-	fixManager := fix.NewManager(cfg.FIX, orderStore, notify)
+	fixManager := fix.NewManager(cfg.FIX, appStore, notify)
 	if err = fixManager.Start(); err != nil {
 		return fmt.Errorf("error starting FIX acceptor: %w", err)
 	}
@@ -54,7 +53,7 @@ func Runner(cfg app.Config) error {
 		EnableJWTAuth:      cfg.EnableJWTAuth,
 	}
 
-	api := rest.New(userData, appStore, orderStore, apiConfig, notify)
+	api := rest.New(userData, appStore, fixManager, apiConfig, notify)
 	api.Run()
 
 	cmd.WaitForInterruptSignal(nil)

src/domain/order.go

@@ -1,28 +0,0 @@
-// Package domain defines all the domain models
-package domain
-
-import (
-	"time"
-
-	"github.com/shopspring/decimal"
-)
-
-// Order represents a FIX NewOrderSingle message received from a client.
-type Order struct {
-	ClOrdID    string
-	Symbol     string
-	Side       string
-	OrdType    string
-	OrderQty   decimal.Decimal
-	Price      decimal.Decimal
-	SessionID  string
-	ReceivedAt time.Time
-}
-
-// OrderStore is the port for persisting and retrieving orders.
-type OrderStore interface {
-	SaveOrder(order Order)
-	GetOrders() []Order
-	GetOrderByClOrdID(id string) (Order, bool)
-}
-

src/domain/persistence.go

@@ -0,0 +1,55 @@
+// Package domain defines all the domain models
+package domain
+
+import "time"
+
+// ListTrade es la representacion exportada de un trade de List Trading.
+type ListTrade struct {
+	QuoteReqID    string `json:"quote_req_id"`
+	ListID        string `json:"list_id"`
+	Symbol        string `json:"symbol"`
+	SecurityIDSrc string `json:"security_id_src"`
+	Currency      string `json:"currency"`
+	Side          string `json:"side"`
+	OrderQty      string `json:"order_qty"`
+	SettlDate     string `json:"settl_date"`
+	Price         string `json:"price"`
+	OwnerTraderID string `json:"owner_trader_id"`
+}
+
+// FixMessageJSON es la representacion estructurada de un mensaje FIX para almacenamiento.
+type FixMessageJSON struct {
+	Direction   string                 `json:"direction"`
+	MsgType     string                 `json:"msg_type"`
+	QuoteReqID  string                 `json:"quote_req_id"`
+	Header      map[string]interface{} `json:"header"`
+	Body        map[string]interface{} `json:"body"`
+	ReceiveTime time.Time              `json:"receive_time"`
+}
+
+// TradeMessage es una fila de qfixdpl_messages.
+type TradeMessage struct {
+	ID         string         `json:"id"`
+	QuoteReqID string         `json:"quote_req_id"`
+	JMessage   FixMessageJSON `json:"j_message"`
+	CreatedAt  time.Time      `json:"created_at"`
+}
+
+// LogEntry es el DTO para insertar/actualizar un log crudo en qfixdpl_logs.
+type LogEntry struct {
+	QuoteReqID string
+	RawMsg     string
+}
+
+// Logs es la respuesta del endpoint GET /trades/:quoteReqID/logs.
+type Logs struct {
+	Entries []string `json:"entries"`
+}
+
+// PersistenceStore define la interfaz de persistencia.
+type PersistenceStore interface {
+	SaveMessage(msg TradeMessage) error
+	SaveLog(entry LogEntry) error
+	GetTodayMessages() ([]TradeMessage, error)
+	GetLogsByQuoteReqID(quoteReqID string) (Logs, error)
+}