poc2

POC 2

Transaction listener and replicator for Ethereum and BigchainDB

Structure

1. config contains the configurations files for the Ethereum and BigchainDB.
2. contracts contains the ethereum contracts and is used by truffle to search, compile, and migrate contracts.
3. migrations contains truffle migration scripts for the contracts.
4. src contains ethereum event listener and bigchaindb transaction executor.
5. test contains the script to create a transaction on ethereum using truffle-contract
6. truffle-config.js & truffle.js truffle config files for network setup

Prerequisite

1. Node.js
2. BigchainDB
3. Truffle Framework (npm install -g truffle or on linux sudo npm install -g truffle)
4. Ganache or a running instance of ethereum.
5. Docker and Docker Compose (optional)

How to deploy

1. Clone the repository and navigate to poc2 folder.
2. Install the dependencies with npm install.
3. Update the network.config.json with the specific values of the bigchaindb and ethereum hosts.
4. Deploy the smart contracts by running truffle migrate in the root folder.
5. Copy the address of the Token printed after the truffle migrate into the token.config.json.
6. To run the listener execute npm start.
7. The listener is up & running and listening for Transfer events on your deployed contract.

Build using docker

1. To build the docker image run: docker-compose build.
2. To start the container: docker-compose up.
3. Docker container is up and listening for Transfer events on your deployed contract.