sunxboy / blockchain

An implementation of a toy blockchain in Java

Toy Blockchain in Java

I have created this project when reading the Post Learn Blockchains by Building One written by Daniel van Flymen. As the examples in his blog post is in python and I work with Java I preferred to translate the source code so I could better understand the principles behind the blockchain data-structure.

To run this project you can just download and run the following command:

mvn spring-boot:run

To add new transactions:

curl -X POST \
  http://localhost:8080/transaction \
  -H 'content-type: application/json' \
  -d '{
    "recipient": "Possidonio Antunes",
    "sender": "Dona Nevinha",
    "amount": 50000.00
}'

To list all the chain:

curl -X GET http://localhost:8080/chain 

To mine for new blocks:

curl -X POST http://localhost:8080/mine