goapi

This is a practice of building go api to get someone's coin balance

structure

❯ tree -L 3
.
├── README.md
├── api
│   └── api.go
├── cmd
│   └── api
│       └── main.go
├── go.mod
├── go.sum
└── internal
    ├── handlers
    │   ├── api.go
    │   └── get_coin_balance.go
    ├── middleware
    │   └── authorization.go
    └── tools
        ├── database.go
        └── mockdb.go

8 directories, 10 files

Verified through Postman

Clone the repo, under goapi/, run go run cmd/api/main.go Go to Postman, create a new GET request with http://localhost:8000/account/coins/?username=alex Go to Headers section, input the token, for example key: Authorization, value: 123ABC Run Send, you will see the returned output

{
    "Code": 200,
    "Balance": 100
}

If failed, you will see:

{
    "Code": 400,
    "Message": "An unexpected error occurred..."
}