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ref(wallet)!: Make Wallet::public_descriptor infallible

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valued mammal 2024-06-04 11:59:25 -04:00
parent c2513e1090
commit 412dee1f5b
No known key found for this signature in database
2 changed files with 22 additions and 21 deletions
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16
crates/wallet/src/descriptor/template.rs
View File

@ -225,7 +225,7 @@ impl<K: IntoDescriptorKey<Tap>> DescriptorTemplate for P2TR<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "mmogjc7HJEZkrLqyQYqJmxUqFaC7i4uf89");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "pkh([c55b303f/44'/1'/0']tpubDCuorCpzvYS2LCD75BR46KHE8GdDeg1wsAgNZeNr6DaB5gQK1o14uErKwKLuFmeemkQ6N2m3rNgvctdJLyr7nwu2yia7413Hhg8WWE44cgT/0/*)#5wrnv0xt");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "pkh([c55b303f/44'/1'/0']tpubDCuorCpzvYS2LCD75BR46KHE8GdDeg1wsAgNZeNr6DaB5gQK1o14uErKwKLuFmeemkQ6N2m3rNgvctdJLyr7nwu2yia7413Hhg8WWE44cgT/0/*)#5wrnv0xt");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip44<K: DerivableKey<Legacy>>(pub K, pub KeychainKind);
@ -262,7 +262,7 @@ impl<K: DerivableKey<Legacy>> DescriptorTemplate for Bip44<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "miNG7dJTzJqNbFS19svRdTCisC65dsubtR");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "pkh([c55b303f/44'/1'/0']tpubDDDzQ31JkZB7VxUr9bjvBivDdqoFLrDPyLWtLapArAi51ftfmCb2DPxwLQzX65iNcXz1DGaVvyvo6JQ6rTU73r2gqdEo8uov9QKRb7nKCSU/0/*)#cfhumdqz");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "pkh([c55b303f/44'/1'/0']tpubDDDzQ31JkZB7VxUr9bjvBivDdqoFLrDPyLWtLapArAi51ftfmCb2DPxwLQzX65iNcXz1DGaVvyvo6JQ6rTU73r2gqdEo8uov9QKRb7nKCSU/0/*)#cfhumdqz");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip44Public<K: DerivableKey<Legacy>>(pub K, pub bip32::Fingerprint, pub KeychainKind);
@ -298,7 +298,7 @@ impl<K: DerivableKey<Legacy>> DescriptorTemplate for Bip44Public<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "2N4zkWAoGdUv4NXhSsU8DvS5MB36T8nKHEB");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "sh(wpkh([c55b303f/49'/1'/0']tpubDDYr4kdnZgjjShzYNjZUZXUUtpXaofdkMaipyS8ThEh45qFmhT4hKYways7UXmg6V7het1QiFo9kf4kYUXyDvV4rHEyvSpys9pjCB3pukxi/0/*))#s9vxlc8e");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "sh(wpkh([c55b303f/49'/1'/0']tpubDDYr4kdnZgjjShzYNjZUZXUUtpXaofdkMaipyS8ThEh45qFmhT4hKYways7UXmg6V7het1QiFo9kf4kYUXyDvV4rHEyvSpys9pjCB3pukxi/0/*))#s9vxlc8e");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip49<K: DerivableKey<Segwitv0>>(pub K, pub KeychainKind);
@ -335,7 +335,7 @@ impl<K: DerivableKey<Segwitv0>> DescriptorTemplate for Bip49<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "2N3K4xbVAHoiTQSwxkZjWDfKoNC27pLkYnt");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "sh(wpkh([c55b303f/49'/1'/0']tpubDC49r947KGK52X5rBWS4BLs5m9SRY3pYHnvRrm7HcybZ3BfdEsGFyzCMzayi1u58eT82ZeyFZwH7DD6Q83E3fM9CpfMtmnTygnLfP59jL9L/0/*))#3tka9g0q");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "sh(wpkh([c55b303f/49'/1'/0']tpubDC49r947KGK52X5rBWS4BLs5m9SRY3pYHnvRrm7HcybZ3BfdEsGFyzCMzayi1u58eT82ZeyFZwH7DD6Q83E3fM9CpfMtmnTygnLfP59jL9L/0/*))#3tka9g0q");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip49Public<K: DerivableKey<Segwitv0>>(pub K, pub bip32::Fingerprint, pub KeychainKind);
@ -371,7 +371,7 @@ impl<K: DerivableKey<Segwitv0>> DescriptorTemplate for Bip49Public<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "tb1qhl85z42h7r4su5u37rvvw0gk8j2t3n9y7zsg4n");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "wpkh([c55b303f/84'/1'/0']tpubDDc5mum24DekpNw92t6fHGp8Gr2JjF9J7i4TZBtN6Vp8xpAULG5CFaKsfugWa5imhrQQUZKXe261asP5koDHo5bs3qNTmf3U3o4v9SaB8gg/0/*)#6kfecsmr");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "wpkh([c55b303f/84'/1'/0']tpubDDc5mum24DekpNw92t6fHGp8Gr2JjF9J7i4TZBtN6Vp8xpAULG5CFaKsfugWa5imhrQQUZKXe261asP5koDHo5bs3qNTmf3U3o4v9SaB8gg/0/*)#6kfecsmr");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip84<K: DerivableKey<Segwitv0>>(pub K, pub KeychainKind);
@ -408,7 +408,7 @@ impl<K: DerivableKey<Segwitv0>> DescriptorTemplate for Bip84<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "tb1qedg9fdlf8cnnqfd5mks6uz5w4kgpk2pr6y4qc7");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "wpkh([c55b303f/84'/1'/0']tpubDC2Qwo2TFsaNC4ju8nrUJ9mqVT3eSgdmy1yPqhgkjwmke3PRXutNGRYAUo6RCHTcVQaDR3ohNU9we59brGHuEKPvH1ags2nevW5opEE9Z5Q/0/*)#dhu402yv");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "wpkh([c55b303f/84'/1'/0']tpubDC2Qwo2TFsaNC4ju8nrUJ9mqVT3eSgdmy1yPqhgkjwmke3PRXutNGRYAUo6RCHTcVQaDR3ohNU9we59brGHuEKPvH1ags2nevW5opEE9Z5Q/0/*)#dhu402yv");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip84Public<K: DerivableKey<Segwitv0>>(pub K, pub bip32::Fingerprint, pub KeychainKind);
@ -444,7 +444,7 @@ impl<K: DerivableKey<Segwitv0>> DescriptorTemplate for Bip84Public<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "tb1p5unlj09djx8xsjwe97269kqtxqpwpu2epeskgqjfk4lnf69v4tnqpp35qu");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "tr([c55b303f/86'/1'/0']tpubDCiHofpEs47kx358bPdJmTZHmCDqQ8qw32upCSxHrSEdeeBs2T5Mq6QMB2ukeMqhNBiyhosBvJErteVhfURPGXPv3qLJPw5MVpHUewsbP2m/0/*)#dkgvr5hm");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "tr([c55b303f/86'/1'/0']tpubDCiHofpEs47kx358bPdJmTZHmCDqQ8qw32upCSxHrSEdeeBs2T5Mq6QMB2ukeMqhNBiyhosBvJErteVhfURPGXPv3qLJPw5MVpHUewsbP2m/0/*)#dkgvr5hm");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip86<K: DerivableKey<Tap>>(pub K, pub KeychainKind);
@ -481,7 +481,7 @@ impl<K: DerivableKey<Tap>> DescriptorTemplate for Bip86<K> {
/// )?;
///
/// assert_eq!(wallet.next_unused_address(KeychainKind::External)?.to_string(), "tb1pwjp9f2k5n0xq73ecuu0c5njvgqr3vkh7yaylmpqvsuuaafymh0msvcmh37");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).unwrap().to_string(), "tr([c55b303f/86'/1'/0']tpubDC2Qwo2TFsaNC4ju8nrUJ9mqVT3eSgdmy1yPqhgkjwmke3PRXutNGRYAUo6RCHTcVQaDR3ohNU9we59brGHuEKPvH1ags2nevW5opEE9Z5Q/0/*)#2p65srku");
/// assert_eq!(wallet.public_descriptor(KeychainKind::External).to_string(), "tr([c55b303f/86'/1'/0']tpubDC2Qwo2TFsaNC4ju8nrUJ9mqVT3eSgdmy1yPqhgkjwmke3PRXutNGRYAUo6RCHTcVQaDR3ohNU9we59brGHuEKPvH1ags2nevW5opEE9Z5Q/0/*)#2p65srku");
/// # Ok::<_, Box<dyn std::error::Error>>(())
/// ```
pub struct Bip86Public<K: DerivableKey<Tap>>(pub K, pub bip32::Fingerprint, pub KeychainKind);

27
crates/wallet/src/wallet/mod.rs
View File

@ -617,10 +617,10 @@ impl Wallet {
let (expected_descriptor, expected_descriptor_keymap) = descriptor
.into_wallet_descriptor(&wallet.secp, network)
.map_err(NewOrLoadError::Descriptor)?;
let wallet_descriptor = wallet.public_descriptor(KeychainKind::External).cloned();
if wallet_descriptor != Some(expected_descriptor.clone()) {
let wallet_descriptor = wallet.public_descriptor(KeychainKind::External);
if wallet_descriptor != &expected_descriptor {
return Err(NewOrLoadError::LoadedDescriptorDoesNotMatch {
got: wallet_descriptor,
got: Some(wallet_descriptor.clone()),
keychain: KeychainKind::External,
});
}
@ -644,11 +644,10 @@ impl Wallet {
change_descriptor
.into_wallet_descriptor(&wallet.secp, network)
.map_err(NewOrLoadError::Descriptor)?;
let wallet_change_descriptor =
wallet.public_descriptor(KeychainKind::Internal).cloned();
if wallet_change_descriptor != Some(expected_change_descriptor.clone()) {
let wallet_change_descriptor = wallet.public_descriptor(KeychainKind::Internal);
if wallet_change_descriptor != &expected_change_descriptor {
return Err(NewOrLoadError::LoadedDescriptorDoesNotMatch {
got: wallet_change_descriptor,
got: Some(wallet_change_descriptor.clone()),
keychain: KeychainKind::Internal,
});
}
@ -1858,22 +1857,24 @@ impl Wallet {
KeychainKind::Internal => &self.change_signers,
};
match self.public_descriptor(keychain) {
Some(desc) => Ok(desc.extract_policy(signers, BuildSatisfaction::None, &self.secp)?),
None => Ok(None),
}
self.public_descriptor(keychain).extract_policy(
signers,
BuildSatisfaction::None,
&self.secp,
)
}
/// Return the "public" version of the wallet's descriptor, meaning a new descriptor that has
/// the same structure but with every secret key removed
///
/// This can be used to build a watch-only version of a wallet
pub fn public_descriptor(&self, keychain: KeychainKind) -> Option<&ExtendedDescriptor> {
pub fn public_descriptor(&self, keychain: KeychainKind) -> &ExtendedDescriptor {
self.indexed_graph
.index
.keychains()
.find(|(k, _)| *k == &keychain)
.map(|(_, d)| d)
.expect("keychain must exist")
}
/// Finalize a PSBT, i.e., for each input determine if sufficient data is available to pass
@ -1980,7 +1981,7 @@ impl Wallet {
/// Returns the descriptor used to create addresses for a particular `keychain`.
pub fn get_descriptor_for_keychain(&self, keychain: KeychainKind) -> &ExtendedDescriptor {
self.public_descriptor(keychain).expect("keychain exists")
self.public_descriptor(keychain)
}
/// The derivation index of this wallet. It will return `None` if it has not derived any addresses.