move all defi functionality to page and separate controller

actix_mvc_app/src/models/defi.rs

@@ -0,0 +1,206 @@
+use chrono::{DateTime, Utc};
+use serde::{Serialize, Deserialize};
+use std::sync::{Arc, Mutex};
+use std::collections::HashMap;
+use lazy_static::lazy_static;
+use uuid::Uuid;
+
+// DeFi position status
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub enum DefiPositionStatus {
+    Active,
+    Completed,
+    Liquidated,
+    Cancelled
+}
+
+impl DefiPositionStatus {
+    pub fn as_str(&self) -> &str {
+        match self {
+            DefiPositionStatus::Active => "Active",
+            DefiPositionStatus::Completed => "Completed",
+            DefiPositionStatus::Liquidated => "Liquidated",
+            DefiPositionStatus::Cancelled => "Cancelled",
+        }
+    }
+}
+
+// DeFi position type
+#[derive(Debug, Clone, Serialize, Deserialize, PartialEq)]
+pub enum DefiPositionType {
+    Lending,
+    Borrowing,
+    Liquidity,
+    Staking,
+    Collateral,
+}
+
+impl DefiPositionType {
+    pub fn as_str(&self) -> &str {
+        match self {
+            DefiPositionType::Lending => "Lending",
+            DefiPositionType::Borrowing => "Borrowing",
+            DefiPositionType::Liquidity => "Liquidity",
+            DefiPositionType::Staking => "Staking",
+            DefiPositionType::Collateral => "Collateral",
+        }
+    }
+}
+
+// Base DeFi position
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct DefiPosition {
+    pub id: String,
+    pub position_type: DefiPositionType,
+    pub status: DefiPositionStatus,
+    pub asset_id: String,
+    pub asset_name: String,
+    pub asset_symbol: String,
+    pub amount: f64,
+    pub value_usd: f64,
+    pub apy: f64,
+    pub created_at: DateTime<Utc>,
+    pub expires_at: Option<DateTime<Utc>>,
+    pub user_id: String,
+}
+
+// Lending position
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct LendingPosition {
+    pub base: DefiPosition,
+    pub duration_days: i32,
+    pub interest_earned: f64,
+    pub return_amount: f64,
+}
+
+// Borrowing position
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct BorrowingPosition {
+    pub base: DefiPosition,
+    pub collateral_asset_id: String,
+    pub collateral_asset_name: String,
+    pub collateral_asset_symbol: String,
+    pub collateral_amount: f64,
+    pub collateral_value_usd: f64,
+    pub duration_days: i32,
+    pub interest_rate: f64,
+    pub interest_owed: f64,
+    pub total_to_repay: f64,
+    pub collateral_ratio: f64,
+}
+
+// In-memory database for DeFi positions
+pub struct DefiDatabase {
+    lending_positions: HashMap<String, LendingPosition>,
+    borrowing_positions: HashMap<String, BorrowingPosition>,
+}
+
+impl DefiDatabase {
+    pub fn new() -> Self {
+        Self {
+            lending_positions: HashMap::new(),
+            borrowing_positions: HashMap::new(),
+        }
+    }
+
+    // Lending operations
+    pub fn add_lending_position(&mut self, position: LendingPosition) {
+        self.lending_positions.insert(position.base.id.clone(), position);
+    }
+
+    pub fn get_lending_position(&self, id: &str) -> Option<&LendingPosition> {
+        self.lending_positions.get(id)
+    }
+
+    pub fn get_all_lending_positions(&self) -> Vec<&LendingPosition> {
+        self.lending_positions.values().collect()
+    }
+
+    pub fn get_user_lending_positions(&self, user_id: &str) -> Vec<&LendingPosition> {
+        self.lending_positions
+            .values()
+            .filter(|p| p.base.user_id == user_id)
+            .collect()
+    }
+
+    // Borrowing operations
+    pub fn add_borrowing_position(&mut self, position: BorrowingPosition) {
+        self.borrowing_positions.insert(position.base.id.clone(), position);
+    }
+
+    pub fn get_borrowing_position(&self, id: &str) -> Option<&BorrowingPosition> {
+        self.borrowing_positions.get(id)
+    }
+
+    pub fn get_all_borrowing_positions(&self) -> Vec<&BorrowingPosition> {
+        self.borrowing_positions.values().collect()
+    }
+
+    pub fn get_user_borrowing_positions(&self, user_id: &str) -> Vec<&BorrowingPosition> {
+        self.borrowing_positions
+            .values()
+            .filter(|p| p.base.user_id == user_id)
+            .collect()
+    }
+}
+
+// Global instance of the DeFi database
+lazy_static! {
+    pub static ref DEFI_DB: Arc<Mutex<DefiDatabase>> = Arc::new(Mutex::new(DefiDatabase::new()));
+}
+
+// Initialize the database with mock data
+pub fn initialize_mock_data() {
+    let mut db = DEFI_DB.lock().unwrap();
+    
+    // Add mock lending positions
+    let lending_position = LendingPosition {
+        base: DefiPosition {
+            id: Uuid::new_v4().to_string(),
+            position_type: DefiPositionType::Lending,
+            status: DefiPositionStatus::Active,
+            asset_id: "TFT".to_string(),
+            asset_name: "ThreeFold Token".to_string(),
+            asset_symbol: "TFT".to_string(),
+            amount: 1000.0,
+            value_usd: 500.0,
+            apy: 4.2,
+            created_at: Utc::now(),
+            expires_at: Some(Utc::now() + chrono::Duration::days(30)),
+            user_id: "user123".to_string(),
+        },
+        duration_days: 30,
+        interest_earned: 3.5,
+        return_amount: 1003.5,
+    };
+    db.add_lending_position(lending_position);
+    
+    // Add mock borrowing positions
+    let borrowing_position = BorrowingPosition {
+        base: DefiPosition {
+            id: Uuid::new_v4().to_string(),
+            position_type: DefiPositionType::Borrowing,
+            status: DefiPositionStatus::Active,
+            asset_id: "ZAZ".to_string(),
+            asset_name: "Zanzibar Token".to_string(),
+            asset_symbol: "ZAZ".to_string(),
+            amount: 500.0,
+            value_usd: 250.0,
+            apy: 5.8,
+            created_at: Utc::now(),
+            expires_at: Some(Utc::now() + chrono::Duration::days(90)),
+            user_id: "user123".to_string(),
+        },
+        collateral_asset_id: "TFT".to_string(),
+        collateral_asset_name: "ThreeFold Token".to_string(),
+        collateral_asset_symbol: "TFT".to_string(),
+        collateral_amount: 1500.0,
+        collateral_value_usd: 750.0,
+        duration_days: 90,
+        interest_rate: 5.8,
+        interest_owed: 3.625,
+        total_to_repay: 503.625,
+        collateral_ratio: 300.0,
+    };
+    db.add_borrowing_position(borrowing_position);
+}

actix_mvc_app/src/models/mod.rs

@@ -7,9 +7,11 @@ pub mod flow;
 pub mod contract;
 pub mod asset;
 pub mod marketplace;
+pub mod defi;
 
 // Re-export models for easier imports
 pub use user::User;
 pub use ticket::{Ticket, TicketComment, TicketStatus, TicketPriority};
 pub use calendar::{CalendarEvent, CalendarViewMode};
 pub use marketplace::{Listing, ListingStatus, ListingType, Bid, BidStatus, MarketplaceStatistics};
+pub use defi::{DefiPosition, DefiPositionType, DefiPositionStatus, LendingPosition, BorrowingPosition, DEFI_DB, initialize_mock_data};