The wallet service is a comprehensive platform that provides wallet functionality for Demo Credit to receive loans they have been granted and also send money for repayments.

The API can be accessed through: https://victor-ilodiuba-lendsqr-be-test.onrender.com

• A user can create an account
• A user can fund their account
• A user can transfer funds to another user’s account
• A user can withdraw funds from their account
• A user with records in the Lendsqr Adjutor Karma blacklist would not be onboarded.

The service is built using a monolithic architecture. All components are tightly coupled and interdependent for simplicity and fast development.

The entity relationship diagram for the database is shown below:

To run this service, you will require the following:

• Node.js
• Typescript
• MySQL database
• KnexJS ORM

• Clone this repository and navigate to the directory.
• Create a .env file in the root directory and fill in the environment variables required as stated in the .env.example file.
• Run npm install in the project's root directory
• Run npx knex migrate:latest in the project's root directory
• If running in a development environment, run npm run dev, else, run npm start in the project's root directory
• Access service from specified port

Unit tests for this service are located in the test folder. To run unittests, ensure all environment variables are correctly set, then run npm test in the project's root directory.

I documented what i have done, specifying the reasons for my approach and decisions i made that influenced the final outcome and it can be at: https://docs.google.com/document/d/1kfPc71BUgyY6l9qPDFtIsQWBJ7FNQCsMPdCYX8DIRbk/edit?usp=sharing

The Wallet Service API documentation can be found at: https://documenter.getpostman.com/view/27917912/2sA3XVAL89