Crypto_App

Senior Flutter Developer Bootcamp at Android Enthusiast Jakarta.

BDD Specs

Crypto Feed Feature Specs

Story: User requests to see crypto feed toplist in 24 hours

Narrative #1

As a online user
I want the app to automatically load the crypto feed
So I can see the newest crypto feed

Scenarios (Acceptance criteria)

Given the user has connectivity
When the user requests to see the crypto feed
Then the app should display the latest crypto feed from remote

Use Cases

Load Crypto Feed From Remote Use Case

Data:

Primary course (happy path):

1. Execute "Load Crypto Feed" command with above data.
2. System downloads data from the URL.
3. System validates downloaded data.
4. System creates crypto feed from valid data.
5. System delivers crypto feed.

Empty data course (sad path):

1. System delivers no crypto feed.

Invalid data – error course (sad path):

1. System delivers invalid data error.

No connectivity – error course (sad path):

1. System delivers connectivity error.

Unauthorized – error course (sad path):

1. System delivers unauthorized error.

Bad request – error course (sad path):

1. System delivers bad request error.

Server error – error course (sad path):

1. System delivers server error.

Model Specs

Crypto Feed

Property	Type
coinInfo	Entity
raw	Object

CoinInfo

Property	Type
id	String
name	String
fullName	String

Raw

Property	Type
usd	Object

USD

Property	Type
price	Double
changePctDay	Long

Payload contract

GET /data/top/totaltoptiervolfull

200 RESPONSE

{
    "Message": "Success",
    "Data": [
        {
            "CoinInfo": {
                "Id": "7605",
                "Name": "ETH",
                "FullName": "Ethereum"
            },
            "RAW": {
                "USD": {
                    "PRICE": 2089.29,
                    "CHANGEPCTDAY": -0.14911035600096975
                }
            }
        },
        {
            "CoinInfo": {
                "Id": "1182",
                "Name": "BTC",
                "FullName": "Bitcoin"
            },
            "RAW": {
                "USD": {
                    "PRICE": 2089.29,
                    "CHANGEPCTDAY": -0.14911035600096975
                }
            }
        }
    ]
}

Follow references