9713429358

Committed 28 Jun 2024 01:15PM UTC coverage: 83.028% (+0.004%) from 83.024%

Build # 9713429358

Build Type

Pull #1493

github

Committed by

web-flow

Commit Message

Merge eae3ffe96 into 5c7cc3097

Pull Request Pull Request #1493: [chain] Create module `keychain_txout_index`

Run Details

15 of 17 new or added lines in 5 files covered. (88.24%)

1 existing line in 1 file now uncovered.

11051 of 13310 relevant lines covered (83.03%)

16853.48 hits per line

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46.15

/crates/chain/src/descriptor_ext.rs

use crate::{
    alloc::{string::ToString, vec::Vec},
    miniscript::{Descriptor, DescriptorPublicKey},
};
use bitcoin::hashes::{hash_newtype, sha256, Hash};

hash_newtype! {
    /// Represents the ID of a descriptor, defined as the sha256 hash of
    /// the descriptor string, checksum excluded.
    ///
    /// This is useful for having a fixed-length unique representation of a descriptor,
    /// in particular, we use it to persist application state changes related to the
    /// descriptor without having to re-write the whole descriptor each time.
    ///
    pub struct DescriptorId(pub sha256::Hash);
}

/// A trait to extend the functionality of a miniscript descriptor.
pub trait DescriptorExt {
    /// Returns the minimum value (in satoshis) at which an output is broadcastable.
    /// Panics if the descriptor wildcard is hardened.
    fn dust_value(&self) -> u64;

    /// Returns the descriptor id, calculated as the sha256 of the descriptor, checksum not
    /// included.
    fn descriptor_id(&self) -> DescriptorId;
}

impl DescriptorExt for Descriptor<DescriptorPublicKey> {
    fn dust_value(&self) -> u64 {
        self.at_derivation_index(0)
            .expect("descriptor can't have hardened derivation")
            .script_pubkey()
            .minimal_non_dust()
            .to_sat()
    }

    fn descriptor_id(&self) -> DescriptorId {
        let desc = self.to_string();
        let desc_without_checksum = desc.split('#').next().expect("Must be here");
        let descriptor_bytes = <Vec<u8>>::from(desc_without_checksum.as_bytes());
        DescriptorId(sha256::Hash::hash(&descriptor_bytes))
    }
}

1	use crate::{
2	alloc::{string::ToString, vec::Vec},
3	miniscript::{Descriptor, DescriptorPublicKey},
4	};
5	use bitcoin::hashes::{hash_newtype, sha256, Hash};
6
7	hash_newtype! {
8	/// Represents the ID of a descriptor, defined as the sha256 hash of
9	/// the descriptor string, checksum excluded.
10	///
11	/// This is useful for having a fixed-length unique representation of a descriptor,
12	/// in particular, we use it to persist application state changes related to the
13	/// descriptor without having to re-write the whole descriptor each time.
14	///
15	pub struct DescriptorId(pub sha256::Hash);
16	}
17
18	/// A trait to extend the functionality of a miniscript descriptor.
19	pub trait DescriptorExt {
20	/// Returns the minimum value (in satoshis) at which an output is broadcastable.
21	/// Panics if the descriptor wildcard is hardened.
22	fn dust_value(&self) -> u64;
23
24	/// Returns the descriptor id, calculated as the sha256 of the descriptor, checksum not
25	/// included.
26	fn descriptor_id(&self) -> DescriptorId;
27	}
28
29	impl DescriptorExt for Descriptor<DescriptorPublicKey> {
30	fn dust_value(&self) -> u64 {	×
31	self.at_derivation_index(0)	×
32	.expect("descriptor can't have hardened derivation")	×
33	.script_pubkey()	×
34	.minimal_non_dust()	×
35	.to_sat()	×
36	}	×
37
38	fn descriptor_id(&self) -> DescriptorId {	10,980✔
39	let desc = self.to_string();	10,980✔
40	let desc_without_checksum = desc.split('#').next().expect("Must be here");	10,980✔
41	let descriptor_bytes = <Vec<u8>>::from(desc_without_checksum.as_bytes());	10,980✔
42	DescriptorId(sha256::Hash::hash(&descriptor_bytes))	10,980✔
43	}	10,980✔
44	}

bitcoindevkit / bdk / 9713429358

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