OPN Locker

What we built

OPN Locker is a secure, decentralized, and permissionless vesting and timelock protocol designed natively for the OPN Chain ecosystem. It allows developers, DAO treasuries, and individuals to lock native OPN or any ERC-20 tokens under custom-configured schedules:

• Linear Vesting: Gradual token release over a set timeframe with optional cliff periods.
• Simple Timelock: Locking tokens securely until a specific calendar release date.
• Lock Transferability: A unique feature allowing lock recipients to transfer their lock claim rights to another wallet address on-chain.
• Modern Dashboard: A fully responsive glassmorphic Web3 interface using Ethers.js for seamless desktop/mobile interaction.

Why

Standard DeFi primitives like vesting and timelocks are critical pillars for building trust and sustainability in emerging L1 networks.

• Aligns Incentives: Team, advisor, and ecosystem rewards can be transparently locked on-chain to demonstrate long-term commitment.
• Prevents Sell Pressure: Mitigates market volatility by preventing sudden token distributions.
• Sovereign Primitive: Built aligned with IOPn's digital sovereignty vision, ensuring that users have complete, non-custodial ownership and control of their locked assets.

How it works

1. Secure Deposit: Users interact with the OPNLocker contract, depositing either native OPN or ERC-20 tokens.
2. On-chain Accounting: Each deposit creates a unique Lock structure tracking the sender, recipient, locked amounts, claimed portions, and vesting dates.
3. Linear Calculations: For vesting, the contract dynamically evaluates claimable amounts on-the-fly: claimable = (total_amount * elapsed_time / total_duration) - claimed_amount.
4. Non-Custodial Claim: Recipients initiate claims directly via the frontend to transfer only the unlocked/vested portion to their wallet.
5. Ownership Transfer: If needed, recipients can call transferLock to transfer their lock metadata and claims to a new address.