LNURL Channel

[ovitrif]

Related to #202

FIGMA: ConfirmScreen | ConnectingScreen

This implements lnurl channel functionality.

Description

• Lnurl channel QR code scan handling
• Lnurl channel confirm screen

Preview

Via Scan	Via LN Manual Setup
lnurlChannel.mp4	lnurlChannelQr.mp4

QA Notes

LNURL Channel

• in Env.kt, change ElectrumServers.REGTEST to

  host = "__YOUR_NETWORK_IP__",
  tcp = 60001,
  

• uninstall old app and install fresh one
• checkout bitkit-docker repo
• setup docker-compose.yml
  • change DOMAIN to http://__YOUR_NETWORK_IP__:3000
  • set lnd's --externalip=127.0.0.1 to --externalip=__YOUR_NETWORK_IP__
• reset docker data
  • docker compose down --volumes
  • rm -rf ./lnd ./lnurl-server/data
• docker compose up --build
• mine blocks: ./bitcoin-cli mine 101
• fund LND wallet:
  • get address: curl -s http://localhost:3000/address | jq -r .address
  • fund LND wallet: ./bitcoin-cli send 0.2
  • mine block ./bitcoin-cli mine 1
• generate LNURL channel: http://localhost:3000/channel
• paste lnurl into app and complete the flow
• mine blocks: ./bitcoin-cli mine 6

Tests

• test lnurl channel when peer is already connected
• test lnurl channel when peer is not connected
• test lnurl channel QR via manual setup