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kickchain

Blockchained Kicker-Scores

Inspired by https://hackernoon.com/learn-blockchains-by-building-one-117428612f46

Prerequisites

You can either use a JPA database backend or a Neo4j server. By default the JPA backend is enabled with an in-memory h2 database. To change that you need to modify the property 'database.type' to 'jpa' or 'neo4j'.

Neo4J

Install and setup a Neo4j server.

$ docker run \
      --publish=7474:7474 --publish=7687:7687 \
      --volume=$HOME/neo4j/data:/data \
      --volume=$HOME/neo4j/logs:/logs \
      neo4j:3.4

Build

Maven

$ mvn clean install

Start stand-alone

$ java -Djava.security.egd=file:/dev/./urandom -jar target/kickchain-0.0.1-SNAPSHOT.jar

List of configuration options

# default peers for the internal consensus service; comma separated list of ip-address:ports
consensus.peers=

# can be neo4j or jpa (default)
database.type=jpa

Docker

$ docker build . -t kickchain
$ docker run -p 8080:8080 kickchain

Web UI

Navigate to

http://localhost:8080/

Administration REST calls

Register a connected node

$ curl -X POST --header "Content-Type: text/plain" http://localhost:8080/admin/nodes/register -d 'localhost:8080'

Unregister a connected node

$ curl -X --header "Content-Type: text/plain" POST http://localhost:8080/admin/nodes/unregister -d 'localhost:8080'

List all connected nodes

$ curl http://localhost:8080/admin/nodes/list

Resolve a chain

$ curl http://localhost:8090/admin/chain/Kickchain/resolve