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better derivation path building

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This commit is contained in:
davemo88 2021-03-11 21:35:16 -05:00
parent 396ffb42f9
commit 201bd6ee02
No known key found for this signature in database
GPG Key ID: 2DE8C063FF02FB83
1 changed files with 15 additions and 9 deletions
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24
src/wallet/signer.rs
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@ -223,15 +223,21 @@ impl Signer for DescriptorXKey<ExtendedPrivKey> {
};
let derived_key = match self.origin.clone() {
Some((_fingerprint, path)) => {
let split_origin_path: Vec<&ChildNumber> = path.into_iter().collect();
let mut deriv_path = DerivationPath::default();
for (i, child) in full_path.into_iter().cloned().enumerate() {
match split_origin_path.get(i) {
Some(_) => continue,
None => deriv_path = deriv_path.extend(&[child]),
}
}
Some((_fingerprint, origin_path)) => {
let deriv_path = DerivationPath::from(
full_path
.into_iter()
.enumerate()
.filter_map(|(i, child)| {
if i >= origin_path.len() {
Some(child)
} else {
None
}
})
.cloned()
.collect::<Vec<ChildNumber>>(),
);
self.xkey.derive_priv(&secp, &deriv_path).unwrap()
}
None => self.xkey.derive_priv(&secp, &full_path).unwrap(),