Bicrypto - Crypto Trading Platform, Binary Trading, Investments, Blog, News & More! 5.3.7

KYC System Critical Fixes

• User Cache Invalidation: Fixed critical issue where users couldn't access features immediately after admin KYC approval

• Added automatic cache clearing when admin changes KYC application status

• Fixed users having to logout/login or wait for cache expiry to access approved features

• Ensures immediate feature access upon KYC approval

• KYC Level Management Cache: Fixed issue where admin changes to KYC level features/limits didn't apply to existing users

• Added cache invalidation hooks to KYC level model updates

• Bulk operations now properly clear cache for all affected users

• Admin limit edits now apply to users instantly without requiring re-approval

• Automated Verification Cache: Fixed cache invalidation for AI/API automated KYC approvals

• Added cache clearing to verification service endpoints

• Automated approvals now grant immediate feature access

• Fixed delayed access for programmatically approved applications

• Feature Access Logic: Improved user profile feature access logic

• Enhanced status checking to only grant features when KYC status is "APPROVED"

• Fixed edge cases where features were granted before full approval

• More robust validation and error handling for KYC feature parsing

KYC Security Enhancements

• Duplicate Application Prevention: Added protection against multiple KYC submissions for same level

• Prevents users from submitting duplicate applications

• Added proper status validation and user-friendly error messages

• Includes cooldown period for rejected applications

• File Upload Security: Enhanced KYC document upload validation

• Added file magic number validation to prevent MIME type spoofing

• Improved security against malicious file uploads

• Enhanced file content verification beyond MIME type checks

• Input Sanitization: Added comprehensive protection against injection attacks

• SQL injection prevention in admin notes fields

• XSS protection with proper input sanitization

• Length validation to prevent DoS attacks

• Directory Traversal Protection: Enhanced file path security

• Improved path sanitization with multiple security layers

• Prevention of access to system directories

• Comprehensive validation against directory traversal attacks

• Rate Limiting: Added abuse prevention for KYC submissions

• Maximum 3 submissions per hour with Redis-based tracking

• 24-hour cooldown period after rejections

• Graceful fallback when Redis is unavailable

UI Text Spacing Issues

• Level Display Formatting: Fixed missing spaces in KYC level text display

• Fixed "Level1" appearing as stuck together text in admin interface

• Corrected spacing in feature management titles

• Fixed user-facing KYC application and dashboard level displays

• Improved readability across all KYC level interfaces

Admin Navigation Fixes

• Binary Options Menu Structure: Restructured admin binary options menu for better navigation

• Moved Binary Options out of "Trading Infrastructure" to be its own top-level section under Finance

• Added proper href link to main "Binary Options" menu item (was pointing to "#")

• Fixed menu structure to properly display child menu items (Binary Markets and Trading Durations)

• Admin can now navigate directly to /admin/finance/binary and see expandable child menu

• Improved navigation flow and menu organization for binary options management interface

Admin Dashboard Complete Overhaul

• Professional Analytics Integration: Replaced basic charts with enterprise-grade analytics components

• Now uses the same professional chart components as the main analytics system (@/components/blocks/data-table/analytics)

• Integrated high-quality KPI cards, line charts, bar charts, and donut charts with consistent styling

• Enhanced interactivity with hover states, tooltips, and smooth animations

• Professional color schemes and responsive design patterns from the analytics system

• USD Currency Conversion System: Implemented proper revenue calculation with real currency conversion

• Revenue calculations now use existing currency conversion APIs (getFiatPriceInUSD, getSpotPriceInUSD, getEcoPriceInUSD)

• Multi-currency support for FIAT, SPOT, and ECO wallet types with accurate USD conversion

• Transaction fees are properly converted to USD based on currency type and current exchange rates

• Fallback handling when currency conversion fails to ensure system stability

• Comprehensive Data Architecture: Complete backend API redesign for real analytics

• Enhanced /api/admin/dashboard endpoint with proper data structures for professional charts

• Real-time metrics: user registrations with trend data, daily revenue with profit calculations

• Trading activity tracking with volume and transaction count analytics

• System monitoring with service status and performance metrics

• Proper TypeScript interfaces and error handling throughout the data pipeline

User Management System - Block/Unblock Functionality

• Comprehensive User Blocking System: Implemented professional user account blocking/unblocking functionality with admin controls

• Added user block/unblock actions in dropdown menu with proper permissions

• Created temporary and permanent blocking options with reason selection and duration controls

• Implemented user block history tracking with admin information and timestamps

• Added automated unblocking system with cron job for expired temporary blocks

• User Block Management Interface: Enhanced admin user management with comprehensive blocking controls

• Block dialog with temporary/permanent options, reason selection, and duration picker

• Professional block status display in expandable user details with remaining time countdown

• Complete block history with reason, duration, blocking admin, and expiration information

• Real-time status updates showing active blocks with time remaining

• Automated Block Expiration System: Implemented background processing for temporary blocks

• Cron job running every 15 minutes to check for expired temporary blocks

• Automatic user reactivation when temporary blocks expire

• Comprehensive logging and error handling for block expiration processing

• Multiple block support with proper status management

• DataTable Performance Optimization: Fixed critical performance issues with modal interactions

• Resolved unnecessary data refetching when opening/closing block modal

• Optimized function memoization to prevent DataTable reinitialization

• Separated tableConfig updates from full DataTable resets

• Enhanced component stability with proper dependency management

• User Data Enhancement: Expanded user profile display with comprehensive information

• Added block status column with detailed block information in expandable rows

• Enhanced user profile rendering with social media links, location data, and bio information

• Improved user relationship data including wallet counts, transaction counts, and balances

• Professional status badges and icons for quick visual assessment

• React Performance & Stability: Fixed all rendering issues and performance bottlenecks

• Resolved React Hooks order violations by moving all hooks before conditional returns

• Implemented proper memoization with useMemo and useCallback for chart data and functions

• Eliminated infinite re-render loops through professional component architecture

• Enhanced error boundaries and loading states for better user experience

• Complete Chart Data System: Implemented proper time series data generation for continuous charts

• Date Range Generation: Creates complete date ranges instead of scattered data points

• Yearly View: 12 monthly data points from start to end of current year

• Monthly View: 4 weekly data points for better UI responsiveness and readability

• Weekly View: 7 daily data points for current week analysis

• Timeframe Selector: Interactive dropdown to switch between yearly/monthly/weekly views

• Continuous Charts: No more gaps or missing data points in chart visualization

• Proper Aggregation: Backend intelligently groups data by appropriate time intervals

• Fallback Data: Complete date ranges even when no actual data exists for smooth chart rendering

• Zero-Line Charts: Charts always display data even with no records, showing zero lines for clear visual feedback

• Responsive Design: Monthly view optimized with 4 weekly points instead of 30 daily points for better performance

User Management System Complete Overhaul

• Comprehensive User Data Display: Transformed the basic user table into a professional management interface

• Enhanced columns with complete user profile information including contact details, security status, and financial data

• Added expandedOnly fields for sensitive information that appears only in detailed view

• Comprehensive user details including phone numbers, wallet addresses, KYC status, and notification preferences

• Professional field organization with clear separation between basic and detailed information

• Real-Time USD Balance Calculation: Implemented accurate financial overview with real currency conversion

• Added total balance calculation across all user wallets (FIAT, SPOT, ECO) converted to USD

• Uses existing currency conversion utilities (getFiatPriceInUSD, getSpotPriceInUSD, getEcoPriceInUSD)

• Real-time exchange rate integration for accurate balance display

• Error-resilient calculation that continues working even if individual wallet conversions fail

• Enhanced Security Monitoring: Added comprehensive security and authentication tracking

• Failed login attempts counter with color-coded warning badges (3+ attempts yellow, 5+ red)

• Last failed login timestamp display with "Never" fallback for clean accounts

• Two-factor authentication status with enable/disable badges

• Wallet provider tracking (MetaMask, WalletConnect, etc.) with "Not Connected" fallback

• Smart KYC Integration: Conditional KYC display based on system availability

• KYC status badges with color coding (Approved=green, Pending=yellow, Rejected=red)

• KYC level display with "Not Assigned" fallback

• KYC review date formatting with "Not Reviewed" for pending applications

• Shows "KYC Disabled" when the KYC system is not enabled instead of showing null values

• User-Friendly Data Formatting: Eliminated all null/undefined display issues

• Phone numbers show "Not Provided" instead of null

• Wallet addresses display "Not Connected" instead of undefined

• 2FA type shows "Not Enabled" when disabled, defaults to "TOTP" when enabled

• Notification preferences display as Yes/No badges instead of boolean values

• Profile data parsing with structured display instead of raw JSON

• Custom Profile Renderer: Professional display of user profile information

• Bio Section: Clean paragraph formatting for user biography

• Location Display: Structured address with icons (📍 address, 🌍 city/country/zip)

• Social Media Links: Interactive badges with clickable links for all platforms (Facebook, Twitter, Instagram, GitHub, etc.)

• Smart URL Handling: Auto-detects and formats social media URLs properly

• Fallback Display: Shows "No additional profile data" instead of null when empty

• Enhanced Data Relationships: Complete user ecosystem view

• Wallet count display showing number of user wallets

• Transaction count showing user activity level

• Support ticket and notification relationship data

• Comprehensive user history with creation, update, and deletion timestamps

• Professional UI Components: Consistent design language throughout

• Color-coded status badges for quick visual assessment

• Proper icon usage for different data types (phone, email, wallet, security)

• Responsive layout with expandedOnly fields for optimal space usage

• Loading states and error handling for all data operations

• Backend API Enhancements: Robust data delivery system

• Enhanced user listing API (/api/admin/crm/user) with comprehensive related data

• Individual user detail API with complete profile information

• Proper TypeScript type handling for Sequelize Model vs plain object compatibility

• Error-resilient data processing with graceful fallbacks

Database Optimization

• MySQL Index Optimization: Fixed "Too many keys specified" database sync errors

• Reduced excessive indexes in ICO token detail model

• Optimized index configuration to stay within MySQL's 64-key limit

• Improved database sync performance and reliability

• TypeScript Compilation: Fixed model property access type errors

• Proper casting of Sequelize model instances for cache operations

• Enhanced type safety in KYC-related database operations

Binary Trading System Fixes

• Market Symbol Display: Fixed binary trading header showing double slashes (BTC//USDT) instead of correct format (BTC/USDT)

• Removed hardcoded commonQuotes array and symbol splitting logic

• Updated extract functions to use actual market data with currency and pair fields

• Fixed price and change data not displaying due to incorrect symbol format

• Market data now uses the provided structure directly: {currency: "BTC", pair: "USDT", label: "BTC/USDT", symbol: "BTC/USDT"}

• Duration System Consistency: Fixed binary duration model documentation and admin interface

• Corrected model comments to indicate durations are stored in minutes, not seconds

• Updated admin interface to display "Duration (minutes)" instead of "Duration (seconds)"

• Fixed validation messages to reference minutes instead of seconds

• Verified frontend and backend correctly handle minute-based durations throughout the system

• Initial Page Loading: Fixed binary page showing slate/gray colors instead of zinc theme colors

• Added immediate body background color setting to prevent flash of wrong colors

• Updated loading states to use consistent zinc-950 background

• Eliminated flash of unstyled content (FOUC) on binary page initialization

Database Model Documentation

• Comprehensive Field Comments: Added descriptive comments to all backend Sequelize models for improved code maintainability

• Investment Models (4 files): investment records, plans, durations, and plan-duration relationships

• KYC Models (4 files): applications, levels, verification services, and verification results

• Blog Models (6 files): authors, posts, comments, categories, tags, and post-tag relationships

• Content Models (2 files): pages with SEO and builder support, slider images

• Over 280+ field comments added explaining purpose, usage, and business context

• Self-documenting models reduce need for external documentation and improve developer onboarding

Enhanced

Cache Management

• Redis Integration: Improved Redis cache management for user profiles

• Better error handling for cache operations

• Non-blocking cache failures to prevent request failures

• Enhanced logging for cache-related operations

KYC Workflow

• Real-time Updates: KYC approval workflow now provides instant user experience

• No more delays between admin approval and user feature access

• Seamless integration between manual and automated approval processes

• Improved user satisfaction with immediate access to approved features

Framework Updates

• Next.js Upgrade: Updated Next.js from v15.3.5 to v15.4.2

• Enhanced performance and stability improvements

• Updated ESLint configuration to latest version

• Improved Turbopack configuration for better Windows compatibility

• Added fallback development mode for systems with Turbopack path issues

• Next.js 16 Preview Features: Enabled experimental features for enhanced developer experience

• Browser debugging logs forwarded to terminal for easier troubleshooting

• Enhanced client-side routing with smarter prefetching and cache management

• Improved 404 page handling with global-not-found support

• Advanced DevTools integration for route inspection and debugging

• React Key Errors: Fixed duplicate React key warnings on home page

• Updated feature mapping to use unique keys combining index and title

• Enhanced admin editors to generate unique feature titles automatically

• Improved component stability and eliminated console warnings