How to Build a Basic Yield Farm – Beginner Dev Guide

Started by BlockHQ, Jul 25, 2025, 08:57 PM

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BlockHQ

Ever wondered how DeFi protocols like staking farms work?

Let's talk dev-side:
  • How are LP tokens managed?
  • Contracts to clone or learn from?
  • What are the security risks?

Perfect place for developers building their first DeFi DApp.
🛠 Helping build a better crypto community

where.is.my.mind


I actually built a basic farm on a testnet a few months ago — not gonna lie, it's more complex than it looks at first glance 😅

The LP tokens part is usually based on Uniswap V2-style contracts. Most forks still reuse that logic. Once people deposit LP, you basically track balances and issue reward tokens over time (usually with updatePool() and pendingRewards() type functions).

For cloning: check MiniChefV2 from Sushi — much leaner than MasterChef and easier to modify.

One thing I learned the hard way — emission logic + front-run protection is critical. I once forgot a require() and someone drained testnet rewards in 3 mins lol.

Security-wise: if you're not using timelocks, access control, and reentrancy guards — you're building a honeypot for attackers 🐻

Happy to drop a GitHub link if anyone wants a sandbox version to play with.

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