How to build a Portfolio Tracking like CoinMarketCap from Zero (Part 1)

January 1, 2024

Requirements

Define Minimum Viable Product

The MVP will focus on essential features required to track and manage portfolios of various assets, including cryptocurrencies. It will serve as a foundation for future feature enhancements adding later: NFTs, stocks, real estate, and custom assets.

User Registration and Authentication

User registration with email and password.

User registration with phone number.

User registration with socials: tiktok, snapchat, facebook, Instagram, google, apple.

Basic user profile management.

Portfolio Management

Ability to add, edit, and delete assets in the portfolio.

Support for cryptocurrencies first.

Basic input fields for asset details (e.g., name, quantity, purchase price).

Multiple portfolios per user.

Real-time Asset Valuation

Integration with a single market data source to fetch and display real-time asset valuations. Integration with (Coinmarketcap.com API).

Basic chart or graph to visualize portfolio value over time. Integration with (Trading View API).

Marketplace

Coin monitoring with filtering options.

Integration with additional market data sources.

Alerts and Notifications

Ability to set price change alerts for individual assets.

Basic push notifications for alerts.

Data Storage

Secure storage of user portfolio data.

User Interface

A simple and intuitive user interface adhering to platform-specific design guidelines for iOS and Android.

Vertically place assets under category headers on main portfolio screens).

Multilingual support (English, Spanish, French, Arabic, Chinese, - Hebrew, German, Indonesian, Tagalog)

Advanced Features:

Advanced portfolio analytics and performance metrics.

NFTs, stocks, real estate, and custom assets.

Data import/export functionality (export .csv, .xlsx, .pdf).

Tax calculation and reporting.

User customization options (e.g., custom asset categories).

Technical Requirements

This Technical Requirements Document outlines the technical aspects of the portfolio tracking mobile application project, specifying the technologies, APIs, data storage, security, performance, testing, documentation, and deployment requirements. Following these technical requirements will lead to the successful development and deployment of the application, meeting the needs of investors and asset managers.

System Architecture

Mobile Application: The mobile application will be developed using Flutter, ensuring a responsive and consistent user experience across iOS and Android platforms.

Backend System: The backend system will be built using Node.js, providing a robust and scalable infrastructure to handle user data, asset data, and real-time market data.

Frontend Web: The website will be implemented using Next.js, supporting for SSR and SSG, helping to speed up page loading and SEO.

APIs and Integrations

The features are accessible via secure REST API endpoints.

Integration with market data providers for real-time asset valuations. (Coinmarketcap.com, coingecko.com, coinbase.com, binance.com).

Integration with Apple and Google for social login

Using Firebase for push notification services in alerts

Technology Stack

3.1. Node.js

3.2. Next.js

3.3. Flutter

API Requirements

4.1. Authentication

4.2. Portfolio Management

4.3. Transaction Management

4.4. Real-time Data Integration

4.5. Notifications

4.6. Marketplace

Scripts

Init market chart data

Init exchange list data

Init network categories data

Init currency data

Performance and Scalability

6.1. Application Performance

6.2. Scalability

Data Storage and Security

Data Storage

Store user and asset data in a secure and scalable database.

Implement data backup and recovery mechanisms.

Implement data archiving for historical data.

Data Security

Encrypt sensitive data at rest and in transit.

Implement role-based access control.

Regularly audit and monitor system security.

Data Backup and Recovery

Set up automated data backup and recovery processes.

Ensure the ability to recover data in case of system failures or data corruption.

Minimum of two DB Servers (Primary and Secondary) and data replication at specific time intervals.

Deployment

iOS App Deployment

Deploy the iOS app to the Apple App Store.

Follow Apple's guidelines for app submission.

Android App Deployment

Deploy the Android app to Google Play Store.

Adhere to Google's app submission requirements.

Backend Deployment

Deploy the backend system to a reliable and scalable cloud hosting provider.

Ensure high availability and load balancing (Jenkins, AWS).

Frontend Deployment

Ensure the packaging is into lightweight, static files that are system-friendly.

Get started

🏛 Project Configuration and Deployment Structure

Project structure and implementation framework

Use Jenkins-ci, AWS CodeDeploy, AWS S3 to build a CI/CD environment

When receiving a push request from Bitbucket, use Jenkins-ci to build and test

In case of the main branch, send the build file to AWS S3 and request deployment from AWS CodeDeploy

Design data model with Sequelize and PostgreSQL, develop API server with NestJS

Build deployment environment with AWS CodeDeploy, AWS EC2, Docker

Improve server stability and scalability with Docker

Monitor server with Netdata

🚀 Continue …

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