CeloPulse — Proof-of-Activity dApp

The definitive Proof-of-Activity (PoA) dashboard for the Celo Ecosystem — MiniPay Ready

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📌 Problem & Solution

The CeloPulse Dashboard is a fast, responsive, and data-rich Web3 application built specifically for the Celo Ecosystem. It incentivizes and visualizes high-frequency onchain interactions.

The Mechanism

1. Connect Wallet: Seamlessly integrate with any Celo-compatible wallet including MiniPay via Ethers/Wagmi.
2. Perform Micro-Actions: Trigger gamified, low-stakes interactions (Daily Check-ins, Streaks, Gaming) that write to Celo Smart Contracts.
3. Earn Rewards: Achieve high ranks on the global leaderboard, earn badges, and win automatic CELO airdrops through the Reward Pool.

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📱 MiniPay Integration

CeloPulse is fully optimized for MiniPay, Opera's self-custodial stablecoin wallet on Celo:

• Auto-detection: Detects window.ethereum.isMiniPay to auto-connect without wallet popups
• Fee Abstraction: All transactions use USDm (cUSD) as gas fee currency via Celo's fee abstraction (feeCurrency: 0x4F604735c1cF31399C6E711D5962b2B3E0225AD3)
• No Chain Switching: Skips chain-switch dialogs when running inside MiniPay
• Mobile-First UI: Responsive design optimized for MiniPay's WebView
• Zero Friction: Users can daily check-in, play micro-actions, send tips, and claim rewards without gas popups

Testing with MiniPay

See the full guide: MINIPAY_TESTING.md

# 1. Start the dev server
npm run dev

# 2. Expose via ngrok
ngrok http 3000

# 3. Load the ngrok URL in MiniPay → Developer Settings → Load Test Page

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🛠️ Tech Stack

• Framework: Next.js 15 (App Router + Server Components)
• Styling: Vanilla CSS Modules + Tailwind Utility Classes
• Web3 Integration: ethers.js v6 + Custom Celo SDKs
• Wallet: MiniPay + MetaMask + any EIP-1193 wallet
• Analytics Visualization: recharts / custom SVGs integrated with the active Blockscout API feed
• Smart Contracts: Solidity (Hardhat + OpenZeppelin)

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📋 Smart Contracts (Celo Mainnet — Chain ID 42220)

All contracts are deployed and verified on Celo Mainnet via Blockscout:

Contract	Address	Purpose
ActivityManager	0x52C26081bb28351Dae6A4D678B4b144bc5A0B956	Handles 24h cycle check-ins and streak tracking
RewardDistributor	0xC0d5E5a0644CFFA5fE44fF1Cb542026e29E00c61	Treasury vault for CELO reward distribution
MicroActions	0xDdD816E5e469279dcB385F039a470077b5F58930	High-frequency gaming transactions (30s cooldown)
Leaderboard	0xb2137812BC7b1439C238693df4e2F7AB07691014	Composite scoring from activity + micro-actions
ReferralSystem	0x7f4E1Cbe199B1ed7C85c382632Ee3B6fa7412838	Dual-reward referral tracking

Contract source code: packages/contracts/contracts/

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🚀 Quick Start — Local Development

# 1. Install dependencies
npm install

# 2. Copy the environment variables
cp .env.example .env.local

# 3. Add your Blockscout API key to .env.local

# 4. Start the development server
npm run dev

Navigate to http://localhost:3000 to view your dashboard.

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📁 Project Structure

celo-pulse/
├── apps/
│   └── frontend/           # Next.js frontend app
│       └── src/
│           ├── hooks/       # useWallet.ts (MiniPay auto-connect)
│           ├── components/  # UI components (GasBanner, NetworkBadge, etc.)
│           └── app/         # Next.js App Router pages
├── packages/
│   ├── contracts/           # Solidity smart contracts (Hardhat)
│   │   ├── contracts/       # .sol files
│   │   ├── scripts/         # Deploy scripts
│   │   └── test/            # Contract tests
│   ├── celo-activity-helper/  # TypeScript SDK
│   ├── celo-airdrop-sdk/    # Airdrop SDK
│   ├── core/                # Shared utilities
│   └── sdk/                 # Client SDK
├── src/                     # Root-level source
├── MINIPAY_TESTING.md       # MiniPay testing guide
└── README.md                # This file

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🔗 Deployed Contracts Map

Contract Role	Responsibility
ActivityManager	Handles 24h cycle check-ins and calculates global streaks.
MicroActions	Allows rapid 30s-cooldown gaming actions resulting in 1-tx each.
RewardDistributor	Liquidity pool which dispenses rewards upon milestones.
ReferralSystem	Manages the dual-reward invite tracking mechanism.
Leaderboard	Calculates ranks based on composite onchain weighting.

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🧪 Environmental Considerations

Ensure .env.local is fully populated. It MUST include your Blockscout API credentials specifically configured for the Celo Mainnet (42220). Wait for 3-5 seconds on first load for the real-time API charts to inject data.

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📜 License

This project is covered under the MIT open-source license.