Fitbit Dapp

learning resource

• Oraclize Documentation
• slides - Introduction to fitbit dapp by alincode
• slides - Introduction to oraclize by alincode

Run it

npm i
npm start

build & publish

npm run build
git add -A && git commit -m "bundle"
git push

Player

• signup

you need to wait 2~3 minute, until oraclize callback. then you could see you are signed.

• playerRefund

if contest end over 3 days, but the owner still not end the contest, the user could click refund button, then get money back.

struct Player {
    address addr;
    uint amount;
    string userId;
    uint createdAt;
    uint beginStep;
    uint endStep;
    bool refunded;
    string encryptHeader;
}

Funder

• fund: funder could fund many times, second time will update amount and name.

struct Funder {
    address addr;
    uint amount;
    uint createdAt;
    string name;
}

Owner

• Step1: contestDone

it will update all user end step and save the doneAt.

• Step2: award

if will check doneAt, make a sure, you already waiting for 10 minutes. then you can call this function.

it will count all winner and award money to winner.