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simple_blockchain

install the requirement package

pip install -r requirements.txt

run the service

node 1

python blockchain.py 5000

node 2

python blockchain.py 5001

endpoint

  • [GET]/blockchain : to check all block on node

  • [POST]/transaction/new : to add new transaction that need to mine format data in json : { "amount": 10, "recipient": "8460674bba154801b5be179b533640a9", "sender": "0" }

  • [GET]/mine : to mine the new transaction

  • [POST]/nodes/add_nodes : to add nodes to another nodes format data in json : { "nodes":[ "http://127.0.0.1:5000" ] }

  • [GET]/nodes/sync : to sync the node or update the node

simulation

  • node 1: add new transaction -> mine -> view the blockchain
  • node 2: view the blockchain
there will be different block between them:
- node 1: 2 blocks
- node 2: 1 block
to sync them:

  • node 1: add node 2 using /nodes/add_nodes

  • node 2: add node 1 using /nodes/add_nodes

  • node 1: sync the node 1 using /nodes/sync

  • node 2: sync the node 2 using /nodes/sync

result:
- node 1: 2 blocks
- node 2: 2 blocks

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