LibreBank Oracle Lightnode

LibreBank Lightnode - oracle node used to fetch and push ETH rates to LibreBank emission & exchanger contracts.

Requirements

1. NodeJS v. 7.4+ (https://nodejs.org/en/)
2. Build essentials package to your OS (needed for building some deps) For Debian-based linux you need intall build-essential package by apt. For Windows: latest Visual Studio C++ compiler.
3. Any Ethereum node with WebSocket supports. We prefer geth (https://github.com/ethereum/go-ethereum/wiki/geth).
4. Some Ether used to push data to smart-contract.
5. MongoDB 3.0.12+

Getting Started

1. Simple clone this repo and install deps using npm

git clone --recursive https://github.com/LibreCash/oracle-lightnode
cd oracle-lightnode
npm install

2. Configurate. Change configuration params at config/default.json file.

3. Run ETH node in Websocket RPC mode. For geth you can use this command

For Mainnet:

geth --ws --wsapi db,eth,net,web3,personal --wsorigins *

For Rinkeby testnet:

geth --rinkeby --ws --wsapi db,eth,net,web3,personal --wsorigins *

4. Run node

Run node

LightNode startup

node cli/lightnode-cli.js

Configuring

After installation procedure you need to configure some parameters in config/config.json.

Documentation

Project documentation located at docs subfolder.

Contiributing

If you want to help us get better - create issue and PR.

License

Code released under the GPL licence.