Demo CLI

This is an example on building a command-line interface tool using the Garden SDK. This tool lets you swap between WBTC (Wrapped Bitcoin) and BTC (Bitcoin) directly from your terminal. For a step-by-step guide on how this CLI was built, refer to cookbook/demo-cli.

Note

This example is meant to help you get started with the Garden SDK. It is not a complete or optimized tool and does not follow all best practices.

Getting Started

1. Clone the repository.

git clone https://github.com/gardenfi/demo-cli
cd demo-cli

2. Install the required dependencies.

bun install
bun link
bun link swapper

3. Get the API_KEY. The API_KEY is used for initializing the ETHEREUM_PROVIDER.

// File: src/index.ts

// Part of the code that does the initialization
const API_KEY = readFileSync(join(homedir(), ".swapper_api_key"),"utf-8");
const RPC_PROVIDER_URL = `https://sepolia.gateway.tenderly.co/${API_KEY}`;
const ETHEREUM_PROVIDER = new JsonRpcProvider(RPC_PROVIDER_URL);

Note

Here we are using Tenderly as an RPC Provider.

4. To obtain the API_KEY from Tenderly,go to the Tenderly Dashboard. Navigate to Node RPCs and click Create Node & Sepolia as your network.

5. Set up the API_KEY.

chmod +x setup_key.sh
./setup_key.sh <API_KEY>

Running the CLI

Creating Wallets

Create an EVM wallet.

swapper createevmwallet --privatekey=<PRIVATE_KEY>

Create a Bitcoin wallet.

swapper createbitcoinwallet --privatekey=<PRIVATE_KEY>

Swapping

Swap between WBTC to BTC.

swapper swapwbtctobtc --amount=0.0001

Swap between BTC to WBTC.

swapper swapbtctowbtc --amount=0.0001

Get Details

A utility command useful for looking up the $HOME/.swapper_config.json file.

swapper getdetails