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README.md

What is EurekaCoin?

EurekaCoin is a decentralized blockchain project built on Bitcoin's UTXO model, with support for Ethereum Virtual Machine based smart contracts, and secured by a proof of stake consensus model. It achieves this through the revolutionary Account Abstraction Layer which allows the EVM to communicate with EurekaCoin's Bitcoin-like UTXO blockchain. For more general information about EurekaCoin as well as links to join our community, go to https://www.eurekacoin.io

Welcome to the EurekaCoin Ignition Main Network. This is the main network where the tokens hold value and should be guarded very carefully. If you are testing the network, or developing unstable software on EurekaCoin, we highly recommend using either testnet or regtest mode.

The major features of the EurekaCoin network include:

  1. Compatibility with the Ethereum Virtual Machine, which allows for compatibility with most existing Solidity based smart contracts. No special solidity compiler is required to deploy your smart contract to EurekaCoin.
  2. A Proof of Stake consensus system which is optimized for EurekaCoin's contract model. Any user can stake and help to secure the network. There is no voting, master nodes, or minimum amount required. There have been transactions as small as 2 EurekaCoin that have created blocks in the past.
  3. The Decentralized Governance Protocol is completely implemented and functional, which allows certain network parameters to be modified without a fork or other network disruption. This currently controls parameters like block size, gas prices, etc.
  4. Uses the UTXO transaction model and is compatible with Bitcoin, allowing for existing tooling and workflows to be used with EurekaCoin. This allows for the infamous SPV protocol to be used which is ideal for light wallets on mobile phones and IoT devices.

Note: EurekaCoin Core is considered beta software. We make no warranties or guarantees of its security or stability.

EurekaCoin Documentation and Usage Resources

These are some resources that might be helpful in understanding EurekaCoin. Note that the unofficial documents are not created by the EurekaCoin team.

Basic usage resources:

Development resources:

General Info about EurekaCoin:

Developer's Tools

What is EurekaCoin Core?

EurekaCoin Core is our primary mainnet wallet. It implements a full node and is capable of storing, validating, and distributing all history of the EurekaCoin network. EurekaCoin Core is considered the reference implementation for the EurekaCoin network.

EurekaCoin Core currently implements the following:

  • Sending/Receiving EurekaCoin
  • Sending/Receiving QRC20 tokens on the EurekaCoin network
  • Staking and creating blocks for the EurekaCoin network
  • Creating and interacting with smart contracts
  • Running a full node for distributing the blockchain to other users
  • "Prune" mode, which minimizes disk usage
  • Regtest mode, which enables developers to very quickly build their own private EurekaCoin network for Dapp testing
  • Compatibility with the Bitcoin Core set of RPC commands and APIs

Alternative Wallets

EurekaCoin Core uses a full node model, and thus requires downloading the entire blockchain. If you do not need the entire blockchain, and do not intend on developing smart contracts, it may be more ideal to use an alternative wallet such as one of our light wallets that can be synchronized in a matter of seconds.

EurekaCoin Electrum

A light wallet that supports the Ledger hardware wallet and is based on the well known Electrum wallet software.

Download: https://github.com/eurekacoin/eurekacoin-electrum/releases

iOS and Android Wallets

These wallets run on mobile devices and synchronize quickly.

Android Download: https://play.google.com/store/apps/details?id=org.eurekacoin.wallet

iOS Download: https://github.com/eurekacoin/eurekacoin-ios (open source, we are still working with Apple to get approval for their app store)

Ledger Chrome Wallet

This light wallet runs in your Chrome browser as a browser extension. This wallet requires a Ledger device to use.

How to install: https://ledger.zendesk.com/hc/en-us/articles/115003776913-How-to-install-and-use-EurekaCoin-with-Ledger

Building EurekaCoin Core

Build on Ubuntu

This is a quick start script for compiling EurekaCoin on  Ubuntu


sudo apt-get install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils git cmake libboost-all-dev
sudo apt-get install software-properties-common
sudo add-apt-repository ppa:bitcoin/bitcoin
sudo apt-get update
sudo apt-get install libdb4.8-dev libdb4.8++-dev

# If you want to build the Qt GUI:
sudo apt-get install libqt5gui5 libqt5core5a libqt5dbus5 qttools5-dev qttools5-dev-tools libprotobuf-dev protobuf-compiler qrencode

git clone https://github.com/eurekacoin/eurekacoin --recursive
cd eurekacoin

# Note autogen will prompt to install some more dependencies if needed
./autogen.sh
./configure 
make -j2

Build on CentOS

Here is a brief description for compiling EurekaCoin on CentOS, for more details please refer to the specific document

# Compiling boost manually
sudo yum install python-devel bzip2-devel
git clone https://github.com/boostorg/boost.git
cd boost
git checkout boost-1.66.0
git submodule update --init --recursive
./bootstrap.sh --prefix=/usr --libdir=/usr/lib64
./b2 headers
sudo ./b2 -j4 install

# Installing Dependencies for EurekaCoin
sudo yum install epel-release
sudo yum install libtool libdb4-cxx-devel openssl-devel libevent-devel

# If you want to build the Qt GUI:
sudo yum install qt5-qttools-devel protobuf-devel qrencode-devel

# Building EurekaCoin
git clone --recursive https://github.com/eurekacoin/eurekacoin.git
cd eurekacoin
./autogen.sh
./configure
make -j4

Build on OSX

The commands in this guide should be executed in a Terminal application. The built-in one is located in /Applications/Utilities/Terminal.app.

Preparation

Install the OS X command line tools:

xcode-select --install

When the popup appears, click Install.

Then install Homebrew.

Dependencies

brew install cmake automake berkeley-db4 libtool boost --c++11 --without-single --without-static miniupnpc openssl pkg-config protobuf qt5 libevent imagemagick --with-librsvg qrencode

NOTE: Building with Qt4 is still supported, however, could result in a broken UI. Building with Qt5 is recommended.

Build EurekaCoin Core

  1. Clone the eurekacoin source code and cd into eurekacoin

     git clone --recursive https://github.com/eurekacoin/eurekacoin.git
     cd eurekacoin
    
  2. Build eurekacoin-core:

    Configure and build the headless eurekacoin binaries as well as the GUI (if Qt is found).

    You can disable the GUI build by passing --without-gui to configure.

    ./autogen.sh
    ./configure
    make
    
  3. It is recommended to build and run the unit tests:

    make check
    

Run

Then you can either run the command-line daemon using src/eurekacoind and src/eurekacoin-cli, or you can run the Qt GUI using src/qt/eurekacoin-qt

For in-depth description of Sparknet and how to use EurekaCoin for interacting with contracts, please see sparknet-guide.

License

EurekaCoin is GPLv3 licensed.

Development Process

The master branch is regularly built and tested, but is not guaranteed to be completely stable. Tags are created regularly to indicate new official, stable release versions of EurekaCoin.

The contribution workflow is described in CONTRIBUTING.md.

Developer IRC can be found on Freenode at #eurekacoin-dev.

Testing

Testing and code review is the bottleneck for development; we get more pull requests than we can review and test on short notice. Please be patient and help out by testing other people's pull requests, and remember this is a security-critical project where any mistake might cost people lots of money.

Automated Testing

Developers are strongly encouraged to write unit tests for new code, and to submit new unit tests for old code. Unit tests can be compiled and run (assuming they weren't disabled in configure) with: make check. Further details on running and extending unit tests can be found in /src/test/README.md.

There are also regression and integration tests, written in Python, that are run automatically on the build server. These tests can be run (if the test dependencies are installed) with: test/functional/test_runner.py

Manual Quality Assurance (QA) Testing

Changes should be tested by somebody other than the developer who wrote the code. This is especially important for large or high-risk changes. It is useful to add a test plan to the pull request description if testing the changes is not straightforward.

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