Python sample for blockchain application, thanks https://www.cnblogs.com/tinyxiong/p/7761026.html for thoughts and sample codes.

Instruction

• Install Postman for debug
• Check python version is 3.X
• Install flask and other required packages
• Run command 'python server.py -p 5000' to start the server, default port is 5000.
• Mine a new block: http://localhost:port/mine
• Display chains on current node: http://localhost:port/chain
• Register node (Because we don't implement a P2P protocal now, you need manually register your neigbours)  - Post: http://localhost:port/nodes/register
  • Raw data: {"nodes": ["http://localhost:port"]}
  • Content-Type: application/json
• Resolve conflicts and work on the longest chain: http://localhost:port/nodes/resolve
• Transaction (The transaction will be valid until be packaged to the block)
  • Post: http://localhost:port/transaction/new
  • Raw data: {"sender": "xxx", "recipient": "yyy", "amount": 0.5}
  • Content-Type: application/json