dependencies.dot

digraph {
  01[label="01 bech32"]
  02[label="02 channel"]
  03[label="03 withdraw"]
  04[label="04 auth"]
  05[label="05 bip32 seeds"]
  06[label="06 pay"]
  07[label="07 hosted channel"]
  08[label="08 fast withdraw"]
  09[label="09 successAction"]
  10[label="10 aes"]
  11[label="11 disposable"]
  12[label="12 comments"]
  13[label="13 LND seeds"]
  14[label="14 balance check"]
  15[label="15 balance notify"]
  16[label="16 pay to username"]
  17[label="17 new schemes"]
  18[label="18 payer identity"]
  19[label="19 mutual discoverability"]
  20[label="20 long description"]

  { 01 17 } -> { 02 03 04 06 07 } // base protocols depend on URL format
  04 -> { 05 13 } // lnurl-auth seed generation methods
  03 -> 08 // fast withdraw
  03 -> 14 -> 15 // balanceCheck/balanceNotify
  06 -> 11 // disposable lnurl-pay
  06 -> 20 // long description
  06 -> 09 -> 10 // lnurl-pay successAction
  06 -> 12 // lnurl-pay comments
  06 -> 18 // lnurl-pay payer ids
  { 04 16 } -> 18 [style="dotted"] // loose relationship of payer id with lnurl-auth and lightning address
  06 -> 16 // paying to user@domain.com
  { 06 14 } -> 19 // mutually discoverable pay and withdraw links
}