D9 Chain Node 🔗⛓️

The Future of Decentralized Community Governance

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Table of Contents

• About D9 Chain
  • Key Features
  • D9 Custom Pallets
• Installation (Chinese Installation Guide / 中文安装指南)
  • Quick Install
  • Build from Source
• Running a Node
  • Development Chain
  • Mainnet Node
  • Validator Node
• Architecture
• Documentation
• Contributing
• Support

About D9 Chain

D9 Chain is a next-generation blockchain platform built with Substrate that revolutionizes community governance through innovative economic mechanisms and social coordination tools. By combining cutting-edge blockchain technology with human-centric design, D9 Chain enables communities to organize, collaborate, and thrive in the decentralized economy.

Key Features

🏛️ Community Governance - Democratic decision-making with the D9 Council system
💰 Treasury Management - Transparent fund allocation for community projects
🔗 Referral Network - Built-in social graph tracking and rewards
🗳️ Node Voting - Decentralized validator selection and rewards
🔐 Multi-Signature Support - Secure shared control of assets

D9 Custom Pallets

D9 Chain features several custom pallets that provide unique functionality:

Pallet	Description
pallet_d9_balances	Enhanced balance management with referral support
pallet_d9_referral	Manages referral relationships and social graphs
pallet_d9_treasury	Community-controlled treasury with proposal system
pallet_d9_node_voting	Validator selection through community voting
pallet_d9_node_rewards	Distributes rewards to validators and voters
pallet_d9_council_lock	Manages council membership and voting
pallet_d9_multi_sig	Multi-signature wallet functionality

Learn more about our pallets →

Installation

Quick Install

For Ubuntu 22.04 users, use our automated installation script:

curl -sSf https://raw.githubusercontent.com/D-Nine-Chain/d9_node/main/scripts/install-d9-node.sh -o install-d9-node.sh && chmod +x install-d9-node.sh && ./install-d9-node.sh

This script will:

• Check system requirements
• Download the latest pre-built binary
• Configure the node as a systemd service
• Set up validator keys (optional)
• Start the node automatically

Build from Source

Prerequisites

• Ubuntu 22.04 (recommended)
• At least 60GB free disk space
• 8GB RAM minimum
• Rust 1.75.0 exactly

Easy Build

Use our build script for automated compilation:

curl -sSf https://raw.githubusercontent.com/D-Nine-Chain/d9_node/main/scripts/build-node.sh | bash

Manual Build

1. Install Rust

curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
rustup default stable
rustup update
rustup target add wasm32-unknown-unknown

2. Install Dependencies

sudo apt update
sudo apt install build-essential git clang curl libssl-dev llvm libudev-dev make protobuf-compiler

3. Clone and Build

git clone https://github.com/D-Nine-Chain/d9_node.git
cd d9_node
cargo build --release

Running a Node

Development Chain

Start a single-node development chain:

./target/release/d9-node --dev

Mainnet Node

Run a full node connected to the D9 mainnet:

./target/release/d9-node \
  --base-path /home/ubuntu/node-data \
  --chain /usr/local/bin/new-main-spec.json \
  --name "MyD9Node" \
  --port 40100 \
  --rpc-port 40200 \

Validator Node

To run a validator node, you'll need to:

1. Set up your node with validator keys
2. Bond D9 tokens
3. Set session keys
4. Validate

Detailed validator guide →

Architecture

D9 Chain is built using the Substrate framework and consists of:

• Runtime: Core blockchain logic including custom pallets
• Node: Network layer handling peer connections and consensus
• RPC: APIs for interacting with the blockchain

Architecture documentation →

Documentation

• Building a Node
• Running as a Validator
• Staking Guide
• Runtime Upgrades
• Custom Pallets
• RPC Extensions

Contributing

We welcome contributions! Please see our Contributing Guide for details.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

Support

• 📚 Documentation
• 🐛 Issue Tracker

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Built with ❤️ by the D9 Community