Struct bdk::descriptor::template::Bip84Public

pub struct Bip84Public<K: DerivableKey<Segwitv0>>(pub K, pub Fingerprint, pub KeychainKind);

BIP84 public template. Expands to wpkh(key/{0,1}/*)

This assumes that the key used has already been derived with m/84'/0'/0' for Mainnet or m/84'/1'/0' for Testnet.

This template requires the parent fingerprint to populate correctly the metadata of PSBTs.

See Bip84 for a template that does the full derivation, but requires private data for the key.

Example

use bdk::template::Bip84Public;

let key = bitcoin::bip32::ExtendedPubKey::from_str("tpubDC2Qwo2TFsaNC4ju8nrUJ9mqVT3eSgdmy1yPqhgkjwmke3PRXutNGRYAUo6RCHTcVQaDR3ohNU9we59brGHuEKPvH1ags2nevW5opEE9Z5Q")?;
let fingerprint = bitcoin::bip32::Fingerprint::from_str("c55b303f")?;
let wallet = Wallet::new(
    Bip84Public(key.clone(), fingerprint, KeychainKind::External),
    Some(Bip84Public(key, fingerprint, KeychainKind::Internal)),
    Network::Testnet,
    MemoryDatabase::default()
)?;

assert_eq!(wallet.get_address(New)?.to_string(), "tb1qedg9fdlf8cnnqfd5mks6uz5w4kgpk2pr6y4qc7");
assert_eq!(wallet.public_descriptor(KeychainKind::External)?.unwrap().to_string(), "wpkh([c55b303f/84'/1'/0']tpubDC2Qwo2TFsaNC4ju8nrUJ9mqVT3eSgdmy1yPqhgkjwmke3PRXutNGRYAUo6RCHTcVQaDR3ohNU9we59brGHuEKPvH1ags2nevW5opEE9Z5Q/0/*)#dhu402yv");

Tuple Fields

0: K

1: Fingerprint

2: KeychainKind

Trait Implementations

impl<K: DerivableKey<Segwitv0>> DescriptorTemplate for Bip84Public<K>

fn build( self, network: Network ) -> Result<DescriptorTemplateOut, DescriptorError>

Build the complete descriptor