Implementation · Advanced
Building on Chain
Web3 & Solidity
A guide to vibecoding decentralized apps (dApps). From prompting Smart Contracts to wiring up Wagmi hooks.
01
The High Stakes Game
Vibecoding for Blockchain is dangerous. Unlike a website where a bug means a 404, a bug in a Smart Contract means lost money forever. You must operate in 'High Assurance' mode.
“Code is Law. Bugs are expensive. Verify twice, deploy once.”
02
The Stack
Don't reinvent the wheel. Use the standard, modern stack.
01
Wagmi
React Hooks for Ethereum. The standard for frontend integration.
02
Hardhat
Development environment for compiling and testing Solidity.
03
RainbowKit
The best 'Connect Wallet' button UI component.
03
Prompting Solidity
When asking AI to write contracts, enforce security patterns immediately.
Role: Senior Solidity Engineer & Auditor. Task: Write an ERC-721 NFT Contract. Constraints: 1. Use OpenZeppelin libraries (import @openzeppelin/contracts). 2. Implement 'Ownable' for access control. 3. Use 'ReentrancyGuard' on all withdrawal functions. 4. Gas Optimization: Use 'unchecked' blocks where safe.
04
Frontend Integration
Connecting the UI to the Blockchain is just reading/writing state.
// Reading Data
const { data: balance } = useReadContract({
abi: contractAbi,
address: '0x...',
functionName: 'balanceOf',
args: [address],
});
// Writing Data
const { writeContract } = useWriteContract();
<button onClick={() => writeContract({
abi,
address,
functionName: 'mint',
args: [1]
})}>Mint NFT</button>