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Merge bitcoindevkit/bdk#542: Implement XKeyUtils on InnerXKey

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b6fe01c4668b1b6737e5e24ae2282f0f55da39cd Implement XKeyUtils on InnerXKey (Gianluca Acerbis)

Pull request description:

  Closes #395

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  ### Description

  <!-- Describe the purpose of this PR, what's being adding and/or fixed -->

  ### Notes to the reviewers

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  of the PR were done in a specific way -->

  ### Checklists

  #### All Submissions:

  * [x] I've signed all my commits
  * [x] I followed the [contribution guidelines](https://github.com/bitcoindevkit/bdk/blob/master/CONTRIBUTING.md)
  * [x] I ran `cargo fmt` and `cargo clippy` before committing

  #### New Features:

  * [ ] I've added tests for the new feature
  * [ ] I've added docs for the new feature
  * [ ] I've updated `CHANGELOG.md`

  #### Bugfixes:

  * [ ] This pull request breaks the existing API
  * [ ] I've added tests to reproduce the issue which are now passing
  * [x] I'm linking the issue being fixed by this PR

ACKs for top commit:
  danielabrozzoni:
    ACK b6fe01c4668b1b6737e5e24ae2282f0f55da39cd - the code looks good to me, I tested locally and all tests pass
  notmandatory:
    ACK b6fe01c4668b1b6737e5e24ae2282f0f55da39cd

Tree-SHA512: 00a3ed9532a0589ac4be55a7d0c6ac5251f03f716adb2086eb934d9a9b04bcb7fd95aaeba38b68c5c90876644ce53ac5e39a912a4096e789887342f8727ae434
This commit is contained in:
Alekos Filini 2022-02-14 20:15:57 +01:00
commit 0efbece41a
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1 changed files with 9 additions and 40 deletions
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49
src/descriptor/mod.rs
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@ -17,13 +17,13 @@
use std::collections::{BTreeMap, HashMap, HashSet};
use std::ops::Deref;
use bitcoin::util::bip32::{
ChildNumber, DerivationPath, ExtendedPrivKey, ExtendedPubKey, Fingerprint, KeySource,
};
use bitcoin::util::bip32::{ChildNumber, DerivationPath, ExtendedPubKey, Fingerprint, KeySource};
use bitcoin::util::psbt;
use bitcoin::{Network, PublicKey, Script, TxOut};
use miniscript::descriptor::{DescriptorPublicKey, DescriptorType, DescriptorXKey, Wildcard};
use miniscript::descriptor::{
DescriptorPublicKey, DescriptorType, DescriptorXKey, InnerXKey, Wildcard,
};
pub use miniscript::{descriptor::KeyMap, Descriptor, Legacy, Miniscript, ScriptContext, Segwitv0};
use miniscript::{DescriptorTrait, ForEachKey, TranslatePk};
@ -267,41 +267,10 @@ pub(crate) trait XKeyUtils {
fn root_fingerprint(&self, secp: &SecpCtx) -> Fingerprint;
}
// FIXME: `InnerXKey` was made private in rust-miniscript, so we have to implement this manually on
// both `ExtendedPubKey` and `ExtendedPrivKey`.
//
// Revert back to using the trait once https://github.com/rust-bitcoin/rust-miniscript/pull/230 is
// released
impl XKeyUtils for DescriptorXKey<ExtendedPubKey> {
fn full_path(&self, append: &[ChildNumber]) -> DerivationPath {
let full_path = match self.origin {
Some((_, ref path)) => path
.into_iter()
.chain(self.derivation_path.into_iter())
.cloned()
.collect(),
None => self.derivation_path.clone(),
};
if self.wildcard != Wildcard::None {
full_path
.into_iter()
.chain(append.iter())
.cloned()
.collect()
} else {
full_path
}
}
fn root_fingerprint(&self, _: &SecpCtx) -> Fingerprint {
match self.origin {
Some((fingerprint, _)) => fingerprint,
None => self.xkey.fingerprint(),
}
}
}
impl XKeyUtils for DescriptorXKey<ExtendedPrivKey> {
impl<T> XKeyUtils for DescriptorXKey<T>
where
T: InnerXKey,
{
fn full_path(&self, append: &[ChildNumber]) -> DerivationPath {
let full_path = match self.origin {
Some((_, ref path)) => path
@ -326,7 +295,7 @@ impl XKeyUtils for DescriptorXKey<ExtendedPrivKey> {
fn root_fingerprint(&self, secp: &SecpCtx) -> Fingerprint {
match self.origin {
Some((fingerprint, _)) => fingerprint,
None => self.xkey.fingerprint(secp),
None => self.xkey.xkey_fingerprint(secp),
}
}
}