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DDN

DDN, Data Delivery Network, is next generation blockchain system.

More infomation please visit our official website

System Dependency

• nodejs v8+
• npm 5.3+
• node-gyp v3.6.2+
• sqlite v3.8.2+，mysql 5.0+
• g++
• libssl

Installation for ubuntu 16.04.x or higher

# Install dependency package
sudo apt-get install curl sqlite3 ntp wget git libssl-dev openssl make gcc g++ autoconf automake python build-essential libtool libtool-bin -y

# Install nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash
# This loads nvm
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" 
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

# Install node and npm for current user.
nvm install node 8
# check node version and it should be v8.x.x
node --version

# git clone sourece code
git clone https://github.com/ddnlink/ddn.git && cd ddn && chmod u+x ddnd

# Install node packages
npm install

Installation for Mac 10.01.x or higher

# Install dependency package
brew install curl sqlite3 ntp wget git libssl-dev openssl make gcc g++ autoconf libtool libtool-bin -y

# Install nvm
curl -o- https://raw.githubusercontent.com/creationix/nvm/v0.33.2/install.sh | bash
# This loads nvm
export NVM_DIR="$HOME/.nvm"
[ -s "$NVM_DIR/nvm.sh" ] && \. "$NVM_DIR/nvm.sh" 
[ -s "$NVM_DIR/bash_completion" ] && \. "$NVM_DIR/bash_completion"  # This loads nvm bash_completion

# Install node and npm for current user.
nvm install node 8
# check node version and it should be v8.x.x
node --version

# git clone sourece code
git clone https://github.com/ddnlink/ddn.git && cd ddn && chmod u+x ddnd

# Install node packages
npm install

Run

cd DDN && yarn start // or npm start
or
cd DDN && ./ddnd start

Usage

node app.js --help

  Usage: app [options]

  Options:

    -h, --help                 output usage information
    -V, --version              output the version number
    -c, --config <path>        Config file path
    -p, --port <port>          Listening port number
    -a, --address <ip>         Listening host name or ip
    -b, --blockchain <path>    Blockchain db path
    -g, --genesisblock <path>  Genesisblock path
    -x, --peers [peers...]     Peers list
    -l, --log <level>          Log level
    -d, --daemon               Run DDN node as daemon
    --reindex                  Reindex blockchain
    --base <dir>               Base directory

Default localnet genesis account

Note: You can replace the [*] of the address with D、E...

{
  "keypair": {
    "publicKey": "2e6d978c5e6f1fbfc5a27abd964d9b6adc352daa81e31d9098a4f5ee3d7f885e",
    "privateKey": "863669059023e53d46d92b6a1a7bdaa8a9ff3555d98c07517c2a3a08c89ff9d02e6d978c5e6f1fbfc5a27abd964d9b6adc352daa81e31d9098a4f5ee3d7f885e"
  },
  "address": "[*]CE3q83WTqk58Y3hU9GDStn7MmqWU9xHbK",
  "secret": "enter boring shaft rent essence foil trick vibrant fabric quote indoor output"
}

Test

Start server firstly.

cd DDN && yarn start

Then, test

$ yarn test

Releated projects

• ddn-docs
• ddn-cli
• ddn-node-sdk
• [ddn-explorer] website: ddn.link

License

The MIT License (MIT)

Copyright (c) 2016-2019 DDN.link. All rights reserved. See License.txt in the project root for license information.