Blockchain-Concept

A simple blockchain REST API using FLASK

Live Site

Built With

• Python3
• Flask
• SHA256 Proof Of Work

Getting Started

Installation

1. Clone the repo

   git clone https://github.com/advistasyam/blockchain-concept

2. Install PyPi packages

   pip install -r requirements.txt

3. Run Server

   python blockchain.py <PORTNUMBER>

Routes

• "/" Response Example:

  {
      "chain": [
          {
              "hash_of_previous_block": "b085f0847895b23e0c565578283e70ea4b39ffc430fbcbbb7227b24e93838961",
              "index": 0,
              "nonce": 112756,
              "timestamp": 1625148147.788609,
              "transaction": []
          },
          {
              "hash_of_previous_block": "4d7ea7f44d7d294a86db91a5f1f59e9d2dcfdab4ad29a76cdbb68f96e7920f86",
              "index": 1,
              "nonce": 6461,
              "timestamp": 1625148205.64302,
              "transaction": [
                  {
                      "amount": 25,
                      "recipient": "bayu",
                      "sender": "adit"
                  },
                  {
                      "amount": 50,
                      "recipient": "dimas",
                      "sender": "caca"
                  },
                  {
                      "amount": 5,
                      "recipient": "89facc696dfa455c89eb2c04dcfc1515",
                      "sender": "0"
                  }
              ]
          }
      ],
      "length": 2
  }

• "/transactions/new", Requested Body: {amount, reciepient, sender}. Response Example :

  {
      "message": "Transaksi akan dimasukkan ke blok ke 1"
  }

• "/mine"

  {
      "hash_of_previous_block": "4d7ea7f44d7d294a86db91a5f1f59e9d2dcfdab4ad29a76cdbb68f96e7920f86",
      "index": 1,
      "message": "A new block has been added",
      "nonce": 6461,
      "transactions": [
          {
              "amount": 25,
              "recipient": "bayu",
              "sender": "adit"
          },
          {
              "amount": 50,
              "recipient": "dimas",
              "sender": "caca"
          },
          {
              "amount": 5,
              "recipient": "89facc696dfa455c89eb2c04dcfc1515",
              "sender": "0"
          }
      ]
  }

Contributing! ya benar, kalimat dibawah ini template cuy

Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are greatly appreciated.

1. Fork the Project
2. Create your Feature Branch with your name (git checkout -b yourname/AmazingFeature)
3. Commit your Changes (git commit -m 'Add some AmazingFeature')
4. Push to the Branch (git push origin yourname/AmazingFeature)
5. Open a Pull Request