ERC4626 Vault Builder

WHAT IT DOES

ERC4626 Vault Builder is a vault contract generation and deployment tool for creating yield-bearing ERC4626-compliant vaults on any EVM-compatible network. It provides a simple form interface for configuring vault parameters including the asset token address, vault name, symbol, decimals, initial deposit amount, and fee basis points. The tool generates OpenZeppelin-compliant Solidity code based on your selections, copies it to your clipboard, and provides deployment guidance. It connects to your wallet for deployment readiness checks and gas estimation, helping you deploy secure, audited yield vaults directly from the interface.

HOW TO USE

Install the app through the BotSurf interface. Click Connect to link your wallet. Select your target network—localhost (Hardhat/Ganache), Sepolia, Goerli, Mainnet, or a custom RPC URL. Enter the asset token address that your vault will accept. Configure the vault name, symbol, decimals, initial deposit amount (for demonstration), and optional fee in basis points (0 = no fee, 100 = 1%, 10000 = 100%). Click "Generate Code" to generate the Solidity code—it's automatically copied to your clipboard. Click "Estimate Gas" to preview deployment costs. Click "Deploy Vault" to initiate deployment (requires the generated code compiled via Hardhat or Remix; the tool provides deployment guidance). The output panel shows the generated code and deployment status.

VAULT GENERATION ENGINE WITH OPENZEPPELIN ERC4626 STANDARD INTEGRATION

The generator uses a template-based engine that constructs OpenZeppelin-compliant ERC4626 Solidity code from user configuration. Each parameter—asset token address, vault name, symbol, decimals, and fee—is inserted into the contract template. The engine generates a complete vault contract that extends OpenZeppelin's ERC4626 and Ownable, implementing all required methods including totalAssets, beforeDeposit, afterDeposit, withdraw, and redeem. The fee handling is implemented in the afterDeposit hook, calculating fees from deposits and transferring them to the owner. The generated code follows Solidity 0.8.20 conventions with SPDX license identifiers and import statements for all required OpenZeppelin packages. The vault enforces balance and allowance checks during deposits, ensuring users have sufficient tokens before depositing. Deployment integration uses the connected wallet's signer to estimate gas and submit deployment transactions, with full transaction monitoring and address display upon success.

WHAT IT CANNOT SEE

The tool cannot compile Solidity code directly—it generates source code that must be compiled with Hardhat, Truffle, or Remix before deployment. It cannot verify contracts on Etherscan or any block explorer; verification must be done manually after deployment. The tool cannot detect or prevent deployment of contracts with configuration errors—you must review the generated code before deploying. It does not deposit tokens directly during deployment—only deploys the contract; deposits must be made separately after deployment. The generated code assumes the asset token is already deployed and accessible at the provided address. The fee logic is a simplified implementation and may need customization for production use. Gas costs are estimates and may fail if your wallet balance is insufficient or if the network is congested.

PLEASE NOTE

This tool requires the BotSurf interface and an EVM-compatible wallet. It is designed for vault development on local networks and testnets. Deploying to mainnet carries real financial risk—always review generated code and gas estimates before confirming. The tool does not store or transmit any data; all state is local to your session. Generated code is copied to your clipboard for use with your preferred development environment.