telegram-rs-2 0.1.1

A comprehensive Rust library for building Telegram bots and Mini Apps with optional wallet integration
Documentation 
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//! Wallet session management
//!
//! This module manages secure sessions for wallet interactions.
//! Handles session lifecycle, encryption, and data persistence.

use crate::Result;
use serde::{Deserialize, Serialize};

/// Represents an active wallet session
#[derive(Debug, Clone, Serialize, Deserialize)]
pub struct WalletSession {
    /// Session ID
    pub session_id: String,
    /// Connected wallet address
    pub wallet_address: Option<String>,
    /// Session creation timestamp
    pub created_at: i32,
    /// Session expiration timestamp
    pub expires_at: i32,
    /// Whether the session is active
    pub is_active: bool,
}

impl WalletSession {
    /// Create a new wallet session
    pub fn new(session_id: String) -> Self {
        let now = chrono::Local::now().timestamp() as i32;
        WalletSession {
            session_id,
            wallet_address: None,
            created_at: now,
            expires_at: now + 3600, // 1 hour expiration
            is_active: true,
        }
    }

    /// Set the wallet address for this session
    pub fn set_wallet_address(&mut self, address: String) {
        self.wallet_address = Some(address);
    }

    /// Check if session is still valid
    pub fn is_valid(&self) -> bool {
        let now = chrono::Local::now().timestamp() as i32;
        self.is_active && now < self.expires_at
    }

    /// Close the session
    pub fn close(&mut self) {
        self.is_active = false;
    }

    /// Extend session expiration
    pub fn extend(&mut self, additional_seconds: i32) {
        self.expires_at += additional_seconds;
    }

    /// Send a transaction using this session
    /// TODO: Implement transaction sending
    pub async fn send_transaction(&self, _destination: &str, _amount: u64) -> Result<String> {
        todo!("Transaction sending not yet implemented")
    }

    /// Sign data using the connected wallet
    /// TODO: Implement signing
    pub async fn sign_data(&self, _data: &[u8]) -> Result<Vec<u8>> {
        todo!("Data signing not yet implemented")
    }

    /// Encrypt data for secure transmission
    /// TODO: Implement encryption
    pub fn encrypt_data(&self, _data: &[u8]) -> Result<Vec<u8>> {
        todo!("Data encryption not yet implemented")
    }

    /// Decrypt data
    /// TODO: Implement decryption
    pub fn decrypt_data(&self, _encrypted_data: &[u8]) -> Result<Vec<u8>> {
        todo!("Data decryption not yet implemented")
    }
}

/// Session manager for handling multiple wallet sessions
pub struct SessionManager {
    sessions: std::collections::HashMap<String, WalletSession>,
    // TODO: Add persistence layer
}

impl SessionManager {
    /// Create a new session manager
    pub fn new() -> Self {
        SessionManager {
            sessions: std::collections::HashMap::new(),
        }
    }

    /// Create a new session
    pub fn create_session(&mut self) -> Result<WalletSession> {
        let session_id = uuid::Uuid::new_v4().to_string();
        let session = WalletSession::new(session_id.clone());
        self.sessions.insert(session_id, session.clone());
        Ok(session)
    }

    /// Get an existing session
    pub fn get_session(&self, session_id: &str) -> Option<&WalletSession> {
        self.sessions.get(session_id)
    }

    /// Get a mutable session
    pub fn get_session_mut(&mut self, session_id: &str) -> Option<&mut WalletSession> {
        self.sessions.get_mut(session_id)
    }

    /// Remove an expired session
    pub fn cleanup_expired_sessions(&mut self) {
        self.sessions.retain(|_, session| session.is_valid());
    }
}

impl Default for SessionManager {
    fn default() -> Self {
        Self::new()
    }
}

#[cfg(test)]
mod tests {
    use super::*;

    #[test]
    fn test_wallet_session_creation() {
        let session = WalletSession::new("session123".to_string());
        assert_eq!(session.session_id, "session123");
        assert!(session.is_active);
    }

    #[test]
    fn test_session_manager() {
        let mut manager = SessionManager::new();
        // Note: create_session requires uuid crate to be added
        // This test is a placeholder
        assert_eq!(manager.sessions.len(), 0);
    }
}