OPN Counter Pro
A professional smart contract counter project built on OPN Chain using Foundry.
by rudy075 · submitted May 29, 2026
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Description
01/03
What the builder said.
Written by the team, rendered as the markdown they typed in the submission wizard.
What we built
OPN Counter Pro is a smart contract project built on OPN Chain testnet using Solidity and Foundry.
The contract supports:
- Increment counter
- Decrement counter
- Owner-only reset
- Event emission
- Onchain state interaction
The project was fully developed and deployed using Termux on Android.
Why
The goal of this project is to learn and demonstrate the full smart contract development workflow on OPN Chain:
- Writing Solidity contracts
- Testing with Foundry
- Deploying onchain
- Managing GitHub repositories
- Interacting with contracts using CLI tools
How it works
- Users can increment or decrement the counter value
- The owner can reset the counter
- Events are emitted on every update
- Contract interactions are executed on OPN testnet
Stack
- Solidity
- Foundry
- OPN Chain
- Termux
- GitHub
Roadmap
02/03
What ships next.
The builder's own next-quarter plan. Use it to gauge follow-through and ambition.
Q1 · Current Phase
- Complete smart contract testing and deployment on OPN Chain
- Improve contract security and optimization
- Expand contract interaction scripts
- Build better project documentation and developer workflow
Q2
- Build simple frontend dashboard for contract interaction
- Add multi-user interaction support
- Integrate wallet connection
- Add analytics and event tracking
Q3
- Develop additional smart contract modules
- Explore NFT and token integrations
- Open-source more tooling for OPN Chain builders
- Collaborate with other ecosystem developers
Beyond
- Launch a more advanced decentralized application on OPN ecosystem
- Continue building fully on mobile using Termux and open-source tools
- Contribute educational resources for new Web3 builders
On-chain proof
03/03
1 contract on OPN Chain.
The chain itself confirmed every deployment is valid, signed by the builder's wallet, and inside the season's window.