🎙️ Voice-to-Contract (V2C) — for Speech AI

Voice-to-Contract (V2C) is a frictionless interface layer for the Ethereum ecosystem that allows users to execute smart contract operations using natural spoken language. Integrated with the Speech AI protocol, this module enables secure, intent-driven interactions with DeFi protocols — completely hands-free.

✨ Features

• 🎧 Voice-driven Web3 execution
• 🧠 Multi-intent natural language parsing (swap, stake, transfer)
• 🔁 Dynamic ABI-to-payload synthesis
• 🔐 EIP-1559-compatible wallet signing
• ✅ Modular EVM support
• ⚠️ Built-in rule checks for slippage, value limits, and contract safelisting

🗂 Project Structure

src/ ├── main.ts # V2C engine entry point ├── nlp/ │ └── intentParser.ts # Converts voice text into structured commands ├── tx/ │ └── transactionBuilder.ts # Maps command → ABI payload ├── signing/ │ └── consentAndSign.ts # Wallet interaction and user consent

🛠 Supported Intents (Examples)

Intent Type	Voice Example	Result
Swap	Swap 100 USDC to ETH with 1% max slippage	Calls swapExactTokensForTokens
Stake	Stake 2 ETH	Calls stake(uint256)
Transfer	Transfer 50 DAI to 0xabc...	Calls transfer(address,uint256)

🚀 Usage

import { handleV2C } from './src/main';
import { ethers } from 'ethers';

const provider = new ethers.BrowserProvider(window.ethereum);
await provider.send("eth_requestAccounts", []);

handleV2C("stake 2 eth", provider, "0xYourWalletAddress");

🔒 Security Notes

• Transaction replay resistance via wallet nonce
• Max limits & slippage enforcement included
• Expandable with EIP-712 signing and proof-of-intent logs

🔧 Dependencies

• ethers.js (v6+)
• Browser with voice-to-text input OR backend with Whisper/STT integration

🧩 Future Extensions

• GPT-driven dynamic intent resolution
• Whisper real-time microphone integration
• Multichain support (via wagmi/rainbowkit)
• Telegram bot interface

📄 License

MIT © Speech AI Labs