This project implements a candy vending machine server and a client, following a given Swagger specification for communication between the vending machine and the server. The project is implemented in Go and includes mutual TLS authentication and integration of C code.

This project was developed as a part of School 21 curriculum.

• Candy Purchase API: The server handles candy purchase requests, validates input, calculates change, and returns responses in JSON format.

• Mutual TLS Authentication: Both the server and the client use self-signed certificates for secure communication.

• C Function Integration: The ask_cow C function is used to generate ASCII art responses.

• Golang v 1.21

• Taskfile v3.37

• OpenSSL 1.1

• Navigate to src and build server and client executables

  task build

• Generate certificates

  task certs

• Run server

  task run-server

• In separate terminal, run client

  ./candy-client -k AA -c 2 -m 50 -f

  • -k: candy type
  • -c: candy count
  • -m: money amount
  • -f: enable cowsay response