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What is HYDRA?

HYDRA is a decentralized open source bookings ecosystem for renting hotel rooms, private properties or accommodation. HYDRA will be the first system which allows end customers and property owners to deal with each other on the platform without any fee or commission.

The HYDRA Blockchain is a hybrid utilizing the transaction model of Bitcoin and employing the powerful virtual machine of Ethereum. It is based on the Bitcoin Core, Ethereum and Qtum. It features a Proof of Stake consensus mechanism, high transaction throughput, democratic governance of key parameters, predictable network fees and a unique profit-sharing system.

License

HYDRA is GPLv3 licensed

Resources

Devnet explorer: http://explorer.hydrachain.org/ Devnet faucet: http://faucet.hydrachain.org Wallet downloads: https://github.com/LockTrip/Blockchain/releases

Building HYDRA Blockchain

Build on Ubuntu

# This is a quick start script for compiling HYDRA on  Ubuntu

sudo apt-get install build-essential libtool autotools-dev automake pkg-config libssl-dev libevent-dev bsdmainutils git cmake libboost-all-dev libgmp3-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/LockTrip/Blockchain.git --recursive HYDRA
cd HYDRA

# 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 HYDRA on CentOS

# 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 HYDRA
sudo yum install epel-release
sudo yum install libtool libdb4-cxx-devel openssl-devel libevent-devel gmp-devel

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

# Building HYDRA
git clone https://github.com/LockTrip/Blockchain.git --recursive HYDRA
cd HYDRA
./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 miniupnpc openssl pkg-config protobuf qt5 libevent imagemagick librsvg qrencode gmp

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

Build HYDRA

  1. Clone the HYDRA source code and cd into HYDRA

     git clone https://github.com/LockTrip/Blockchain.git --recursive HYDRA
     cd HYDRA
    
  2. Build HYDRA:

    Configure and build the headless HYDRA 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/hydrad and src/hydra-cli, or you can run the Qt GUI using src/qt/hydra-qt