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Testing with farcaster.dev

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Actionbot edited this page Dec 28, 2022 · 8 revisions

Farcaster.dev is a website for automating Farcaster deals creation and publication (only testnet trades).

In this guide we will go through all the necessary steps to install and setup a node on your machine, choose and take a deal listed there.

Requirements

  • macOS or Linux
  • Docker or access to a running Monero Wallet RPC instance
  • Access and control over some testnet bitcoin or stagenet monero
  • Access and control over a bitcoin testnet wallet and a monero stagenet wallet

Testnet Wallets

Get the Monero wallet cli here. Run it in stagenet mode with ./monero-wallet-cli --stagenet. For Bitcoin testnet we recommend the Electrum wallet - this can be run in testnet mode by passing in --testnet.

Installing and running Farcaster

Using Docker can be avoided if preferred. You can choose to run everything inside Docker or run everything outside, for that checkout the Install guide.

In this guide we suggest & assume the following setup:

  • Farcaster node & swap cli are installed on your machine
  • Monero Wallet RPC runs inside Docker as a temporary container (removed after use)

Install Farcaster from sources

You find all the necessary steps to install Farcaster from sources here.

Now you should be able to run in your shell farcasterd --help and swap-cli --help and receive answers. If this is not the case, check that the binaries compiled successfully and their location is in your $PATH (see cargo install documentation).

Running the node

We first have to launch the Monero Wallet RPC daemon, then we'll start Farcaster so it can connect to it and other Bitcoin and Monero public nodes.

Start the Monero Wallet RPC daemon container

docker run --rm -p 38083 ghcr.io/farcaster-project/containers/monero-wallet-rpc:latest\
    /usr/bin/monero-wallet-rpc --stagenet\
    --disable-rpc-login --wallet-dir wallets\
    --daemon-host stagenet.community.rino.io:38081\
    --rpc-bind-ip 0.0.0.0 --rpc-bind-port 38083\
    --confirm-external-bind

Start Farcaster node in a second terminal

farcasterd

Use the cli to query farcasterd

swap-cli info

If you manage to go through all the steps above and you have a running node, congrats! you should now be able to try taking a deal on farcaster.dev.

Taking deal on farcaster.dev

First steps:

  • Get a destination Bitcoin address
  • Get a destination Monero address

No matter what type of trade you choose to do, BTC->XMR or XMR->BTC, you need an address on each chain:

  1. a success path address to receive traded funds and
  2. a failure path address in case a refund is initiated

When you have these two addresses go to the website and choose a deal that correspond to the trade you want to take. Then use swap-cli to start trading

swap-cli --btc-addr {...} --xmr-addr {...} -D Deal:...

You can now follow what's happening on the farcasterd logs in your shell and use swap-cli to query more details. Use

swap-cli --help

to see what subcommands are available. You might find the following ones useful in particular:

  • list-swaps
  • needs-funding <btc|xmr>
  • progress <swap>
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