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[keys] impl ToDescriptorKey for &str

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This commit is contained in:
Alekos Filini 2020-12-16 19:01:16 +01:00
parent 7e90657ee1
commit 713411ea5d
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GPG Key ID: 5E8AFC3034FDFA4F
2 changed files with 18 additions and 4 deletions
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13
src/descriptor/dsl.rs
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@ -278,15 +278,20 @@ macro_rules! apply_modifier {
/// cannot be grouped together. For instance, a descriptor fragment like `sdv:older(144)` has to be
/// broken up to `s:d:v:older(144)`.
///
/// The `pk()`, `pk_k()` and `pk_h()` operands can take as argument any type that implements
/// [`ToDescriptorKey`]. This means that keys can also be written inline as strings, but in that
/// case they must be wrapped in quotes, which is another difference compared to the standard
/// descriptor syntax.
///
/// [`ToDescriptorKey`]: crate::keys::ToDescriptorKey
///
/// ## Example
///
/// Signature plus timelock, equivalent to: `sh(wsh(and_v(v:pk(...), older(...))))`
/// Signature plus timelock descriptor:
///
/// ```
/// # use std::str::FromStr;
/// let my_key = bitcoin::PublicKey::from_str("02e96fe52ef0e22d2f131dd425ce1893073a3c6ad20e8cac36726393dfb4856a4c")?;
/// let my_timelock = 50;
/// let (my_descriptor, my_keys_map, networks) = bdk::descriptor!(sh(wsh(and_v(v:pk(my_key),older(my_timelock)))))?;
/// let (my_descriptor, my_keys_map, networks) = bdk::descriptor!(sh(wsh(and_v(v:pk("cVt4o7BGAig1UXywgGSmARhxMdzP5qvQsxKkSsc1XEkw3tDTQFpy"),older(50)))))?;
/// # Ok::<(), Box<dyn std::error::Error>>(())
/// ```
///

9
src/keys/mod.rs
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@ -28,6 +28,7 @@ use std::any::TypeId;
use std::collections::HashSet;
use std::marker::PhantomData;
use std::ops::Deref;
use std::str::FromStr;
use bitcoin::secp256k1;
@ -661,6 +662,14 @@ impl<Ctx: ScriptContext> ToDescriptorKey<Ctx> for DescriptorSecretKey {
}
}
impl<Ctx: ScriptContext> ToDescriptorKey<Ctx> for &'_ str {
fn to_descriptor_key(self) -> Result<DescriptorKey<Ctx>, KeyError> {
DescriptorSecretKey::from_str(self)
.map_err(|e| KeyError::Message(e.to_string()))?
.to_descriptor_key()
}
}
impl<Ctx: ScriptContext> ToDescriptorKey<Ctx> for PrivateKey {
fn to_descriptor_key(self) -> Result<DescriptorKey<Ctx>, KeyError> {
DescriptorSecretKey::SinglePriv(DescriptorSinglePriv {