blockchain

A clojure implementation of a blockchain based on Learn Blockchains by Building One

Prerequisites

You will need Leiningen 2.0.0 or above installed.

Running

To get the dependencies, run:

lein deps

To start a server for the application, run:

lein ring server

Usage

• Requesting the whole Blockchain:

$ curl -X GET 127.0.0.1:8090/chain

• Mining coins:

$ curl -X GET 127.0.0.1:8090/mine

• Make a new transaction:

$ curl -X POST -H "Content-Type: application/json" -d '{
    "sender": "d4ee26eee15148ee92c6cd394edd974e",
    "recipient": "someone-other-address",
    "amount": 5
}' "http://127.0.0.1:8090/transactions/new"

• Register a new node:

$ curl -X POST -H "Content-Type: application/json" -d '{
    "node": "http://127.0.0.1:8091"
}' "http://127.0.0.1:8090/nodes/register"

• Resolving Blockchain differences in each node:

$ curl -X GET 127.0.0.1:8090/nodes/resolve

Tests

lain test

Docker

• Create a self contained version of application with: lein ring uberjar;
• Run docker build -t paoloo/blockchain . to create image;
• And finally, run docker run -p 8090:8090 paoloo/blockchain to instantiate it.

License

MIT

Copyright (c) 2017 Paolo Oliveira