CoinExchange open source digital currency contract exchange, a Java-based Bitcoin exchange| BTC Exchange| ETH Exchange| digital currency exchanges| trading platform| Matchmaking trading engine. This project has complete matchmaking transaction engine source code, back-end management (backend + front-end), front-end (transaction page, event page, personal center, etc.), Android APP source code, Apple APP source code, and currency wallet RPC source code. Open source projects are for learning reference only and should not be used for illegal purposes.
Features:
1. Based on memory matching engine, matching with traditional database is faster
2. Separation of front and back ends, Token-based Api authorization mechanism
3. Based on the SpringCloud microservice architecture, expansion is easier
4. MySQL, MongoDB, and Redis multiple data storage methods, just for faster data storage
5. Kafka releases a subscription message queue to allow orders to flow faster
6. Mainstream currencies have complete interfaces to connect with blockchain and can be used out of the box
7. Separate hot and cold wallets and two cash withdrawal methods to ensure safety
8. Robot system, synchronize the market, maintain depth, and prevent moving bricks
9. Native apps, Java and ObjectC provide native experience
10. Exchange designers provide technical support, deployment + worry-free second opening
11. Support adding custom platform currencies and other currencies
Use the tutorial:
Prepare the mysql database and create a database named "xxxx"
Prepare the redis cache database
Prepare the kafka streaming processing environment (configure to run zookper first, then configure to run kafka)
Prepare the mongodb database environment, create users admin, xxxx, and create bitrade database
Prepare Alibaba Cloud OSS (modify areas that need to be configured in the project)
Prepare nginx and modify the configuration file (optional, configuration required for official launch)
Modify the configuration file in the framework code to prepare the environment configuration parameters
Compiled to generate jar executable files
Run cloud.jar (Microservices Registry)
Run exchange.jar (matchmaking engine)
Run market.jar (Market Center, you need to wait for Exchange.jar to fully start)
Run ucenter.jar (User Center)
Run other modules (wallet.jar, chat.jar, otc-api.jar, etc.)
Open mysql and import the xxx.sql file in the sql folder in the framework code. Note that if trigger's sql reports an error, trigger needs to be added to the wallet table
Run the front-end vue project
Run the backend vue project
Run Wallet RPC
Run the automated trading robot program (this part of the code has not been uploaded, but it has no impact)
Run the Admin project (this service does not rely on other services, so you can just run this project and view the background directly)
Questions about database scripts
A friend reported that there was no complete SQL file. This is because Jar, which was compiled successfully, automatically maps the Entity to a database structure after the first run. The SQL in the project only completed some database structures that Springcloud could not complete. Automatic database generation configuration is located at application.properties
Configuration file:
#jpa
spring.jpa.show-sql=true
spring.data.jpa.repositories.enabled=true
spring.jpa.hibernate.ddl-auto=update
spring.jpa.hibernate.ddl-auto=update This configuration automatically updates the database structure.
Core function description (client side)
1. Registration/login/real-name authentication/review (currently only mobile phones are supported, secondary development can add email, very simple)
2. Banner/Announcement/Help/Customization page (Banner supports separate settings for PC and APP, helping to support various classification modes)
3. Fiat C2C trading/fiat OTC trading (two fiat models are supported. The platform can undertake C2C fiat conversion in the early stage of the project, and OTC trading can be opened in the later stage)
4. Currency transactions (support limit orders and market price orders, and other order models can be added for secondary development)
5. Invite registration/promotion partners (support ranking statistics on the number of people invited to promote and commission by day, week and month)
6. Innovation Laboratory (There are many supporting functions in this part, which are explained in detail. In addition, the APP does not support this function at the moment)
6-1. Initial purchase activity mode (for example, when issuing a new transaction pair, a certain number of currencies can be set for the transaction pair to purchase)
6-2. Initial allocation activity model (for example, before issuing a BTC/USDT transaction pair, the official takes out 5BTC for activities, and divides the BTC equally based on the amount of USDT the user has charged and mortgaged)
6-3. Pan-control and purchase mode (If the ZZZ/USDT trading pair is issued, the ZZZ currency price is 5USDT and the official issuance activity price is 0.5 USDT, this mode can be used)
6-4. Market control sharing model (such as 6-3, but only evenly distributed)
6-5. Mining machine activity mode (users are allowed to mortgage a certain amount of currency, and the official promises to return a certain amount of currency every month)
7. Red envelope function (supports platforms and officials to issue red envelopes in a certain number of currencies. This function is suitable for users to split)
8. Various basic management such as user asset management, flow management, entrusted management, and real-name management
Core function description (management end)
1. Summary (View platform operating data, including transaction amount, registered number, recharge, etc.)
2. Member management (member information management, member real-name review, member real-name management, member balance management, member recharge/freezing balance, etc.)
3. Invitation management (member invitation information, member invitation ranking management)
4. CTC management (CTC order management, flow management, acceptor management)
5. Content management (PC advertising management, APP advertising management, announcement management, help management)
6. Financial management (recharge and withdrawal management, financial flow management, reconciliation management, currency wallet balance management)
7. Currency management (create new trading pairs, manage trading pairs, create new trading robots, set trading robot parameters, set market engine/trading engine, cancel all orders)
8. Event management (new construction activities, mining machine subscription, rush purchase/division management)
9. Red envelope management (platform red envelope management, user red envelope management)
10. System management (role management, department management, user management, rights management, currency management, RPC management, version management)
11. Margin management (this function was taken into account when it was designed, but not used during actual operations)
12. OTC management (advertising management, order management, OTC currency management, surrender management, etc., this function has not been verified by actual operation)
System operating environment:
Centos 6.8
MySQL 5.5.16
Redis-x64-3.2.100
Mongodb 3.6.13
kafka_2.11-2.2.1
nginx-1.16.0
JRE 8u241
JDK 1.8
Vue
Zookeeper
English 
Chinese
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