DAO Management Platform

A decentralized autonomous organization (DAO) platform with proposal voting, treasury management, and governance token staking. Built with Angular 18, Node.js, and Solidity smart contracts.

Features

• Create and vote on proposals with timelock execution
• Multi-signature treasury management
• Token locking for enhanced voting power
• Vote delegation system
• Real-time analytics and statistics
• MetaMask integration

Tech Stack

• Frontend: Angular 18, TypeScript, Ethers.js
• Backend: Node.js, Express, MongoDB, Socket.io
• Smart Contracts: Solidity, Hardhat, OpenZeppelin

Local Setup

Prerequisites

• Node.js v18+
• MongoDB v5+
• MetaMask browser extension

1. Install Dependencies

cd contracts && npm install
cd ../backend && npm install
cd ../frontend && npm install

2. Deploy Smart Contracts

cd contracts
npx hardhat node

In a new terminal:

cd contracts
npx hardhat run scripts/deploy.js --network localhost

Copy the deployed contract addresses from the console output.

3. Configure Backend

cd backend
cp .env.example .env

Update backend/.env with contract addresses:

MONGODB_URI=mongodb://localhost:27017/dao-platform
RPC_URL=http://127.0.0.1:8545
GOVERNANCE_TOKEN_ADDRESS=<address>
DAO_GOVERNOR_ADDRESS=<address>
DAO_TREASURY_ADDRESS=<address>
VOTE_ESCROW_ADDRESS=<address>
TIMELOCK_ADDRESS=<address>

Start MongoDB and run:

npm run dev

4. Configure Frontend

Update contract addresses in frontend/src/environments/environment.ts.

Copy contract ABIs:

cp contracts/artifacts/contracts/GovernanceToken.sol/GovernanceToken.json frontend/src/assets/abis/
cp contracts/artifacts/contracts/DAOGovernor.sol/DAOGovernor.json frontend/src/assets/abis/
cp contracts/artifacts/contracts/DAOTreasury.sol/DAOTreasury.json frontend/src/assets/abis/
cp contracts/artifacts/contracts/VoteEscrow.sol/VoteEscrow.json frontend/src/assets/abis/

Start the app:

npm start

Open http://localhost:4200 in your browser.