Add full monorepo: virtual-banker, backend, frontend, docs, scripts, deployment

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/ccip/tracking/tracker.go

@@ -0,0 +1,86 @@
+package tracking
+
+import (
+	"context"
+	"fmt"
+	"time"
+
+	"github.com/jackc/pgx/v5/pgxpool"
+)
+
+// Tracker tracks CCIP messages across chains
+type Tracker struct {
+	db *pgxpool.Pool
+}
+
+// NewTracker creates a new CCIP tracker
+func NewTracker(db *pgxpool.Pool) *Tracker {
+	return &Tracker{db: db}
+}
+
+// CCIPMessage represents a CCIP message
+type CCIPMessage struct {
+	MessageID        string
+	SourceChainID   int
+	DestChainID      int
+	SourceTxHash     string
+	DestTxHash       string
+	Status           string
+	CreatedAt        time.Time
+	DeliveredAt      *time.Time
+}
+
+// TrackMessage tracks a CCIP message
+func (t *Tracker) TrackMessage(ctx context.Context, msg *CCIPMessage) error {
+	query := `
+		INSERT INTO ccip_messages (
+			message_id, source_chain_id, dest_chain_id,
+			source_tx_hash, dest_tx_hash, status, created_at
+		) VALUES ($1, $2, $3, $4, $5, $6, $7)
+		ON CONFLICT (message_id) DO UPDATE SET
+			dest_tx_hash = $5,
+			status = $6,
+			delivered_at = CASE WHEN $6 = 'delivered' THEN NOW() ELSE delivered_at END
+	`
+
+	_, err := t.db.Exec(ctx, query,
+		msg.MessageID,
+		msg.SourceChainID,
+		msg.DestChainID,
+		msg.SourceTxHash,
+		msg.DestTxHash,
+		msg.Status,
+		msg.CreatedAt,
+	)
+
+	return err
+}
+
+// GetMessage gets a CCIP message by ID
+func (t *Tracker) GetMessage(ctx context.Context, messageID string) (*CCIPMessage, error) {
+	query := `
+		SELECT message_id, source_chain_id, dest_chain_id,
+		       source_tx_hash, dest_tx_hash, status, created_at, delivered_at
+		FROM ccip_messages
+		WHERE message_id = $1
+	`
+
+	var msg CCIPMessage
+	err := t.db.QueryRow(ctx, query, messageID).Scan(
+		&msg.MessageID,
+		&msg.SourceChainID,
+		&msg.DestChainID,
+		&msg.SourceTxHash,
+		&msg.DestTxHash,
+		&msg.Status,
+		&msg.CreatedAt,
+		&msg.DeliveredAt,
+	)
+
+	if err != nil {
+		return nil, fmt.Errorf("failed to get message: %w", err)
+	}
+
+	return &msg, nil
+}
+