In case anyone wanted to learn and build shit. Check out this link. 
https://ereignishorizont.xyz/bitcoinswitch/en/
Bookmark it if you have too. The dude who wrote it is super helpful and can be found on telegram. Someone needs to bring him to nostr 😅

nostr:nevent1qqs0mhj62nm3gxere9k5427cvlgqlqmgusp3vg0zgpqr0v26ej6xxngpramhxw309aex2mrp0yhxy6t5vdhkjm3dvdshguewvdsn5dpcxsuqygp6knyw497dzex30a5fjrqsqm3paplnr2ge5uqnaned4chyz6fcl5psgqqqqqqsymxccr

nostr:nevent1qqs98xqz5swuevymrp6l3p4ausv6r788vhfkrprgx986nakelra2d8cpramhxw309aex2mrp0yhxy6t5vdhkjm3dvdshguewvdsn5dpcxsuqygp6knyw497dzex30a5fjrqsqm3paplnr2ge5uqnaned4chyz6fcl5psgqqqqqqsh0fl3u