Advanced Usage

Overview

SynthFi is designed to be both intuitive for non-coders and powerful for developers. Once you’re comfortable with the basics, you can begin to:

  • Modify the generated contracts

  • Extend the frontend UI

  • Add new instructions and features

  • Manually deploy and test contracts

  • Connect with external Solana programs

This section explores how to go beyond the default flow and tailor SynthFi to your custom use case.

1. Modifying the Anchor Program

SynthFi’s AI output follows standard Anchor framework structure, making it easy to:

  • Add new instructions (e.g., pause, claim, distribute)

  • Create new accounts with #[account]

  • Add #[access_control] and custom constraints

  • Insert new logic: APR curves, vesting formulas, role checks, etc.

Example: Add early withdrawal penalty:

rustCopyEditif clock.unix_timestamp < stake_data.unlock_time {
    let penalty = amount / 10;
    amount -= penalty;
}

2. Custom Prompts for Specialized Logic

Want to build logic beyond staking?

Try prompts like:

  • “Create a reward pool where only NFT holders can stake an SPL token”

  • “Build a vault contract with emergency withdraw, but only after a DAO vote”

  • “Write a token vesting contract with a linear schedule and 3-month cliff”

SynthFi can respond to advanced concepts — and explain what it generates.

3. Working with the Frontend

The frontend is built for extensibility:

Layer
Stack

Framework

React + Next.js

Wallet

Phantom (Wallet Adapter)

Styling

Tailwind CSS

Contract Connection

@project-serum/anchor, Solana Web3

You Can:

  • Add new components (e.g. lock timers, DAO vote status)

  • Update form flows or approval prompts

  • Theme the UI for your brand

  • Export the frontend and self-host

4. Manual Testing & Deployment

Before sending anything to Devnet, you can test:

bashCopyEditanchor test

You can also:

  • Use localnet with anchor localnet

  • Simulate time passing for vesting contracts

  • Check if signer logic works using test wallets

After testing, run:

bashCopyEditanchor build
anchor deploy

And update your frontend .env:

envCopyEditNEXT_PUBLIC_PROGRAM_ID=YourProgramID

5. Using External Solana Programs

SynthFi doesn’t limit you to isolated logic, you can integrate with:

  • SPL Token program (minting, burning)

  • Metaplex for NFT validation

  • DAO tools for gated actions

  • Other Anchor-based programs via CPI

Just request it in your prompt or modify the code manually post-generation.

6. Launchpad Metadata Customization

In the Launchpad, you can extend:

  • Token metadata (symbol, supply)

  • Project name and description

  • Deployment flags (e.g. audit badge, verified template)

  • Social links and custom tags

Eventually, these will also power project listings and verified deploy dashboards.

7. Saving & Managing Projects (Planned)

Coming features for devs:

  • Persistent project saving (via wallet signature)

  • Auto-versioned contract history

  • Forking and remixing existing contracts

  • GitHub export + deploy logs

  • Optional code diffs and audit history

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