107 lines
3.4 KiB
Rust
107 lines
3.4 KiB
Rust
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// Magical Bitcoin Library
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// Written in 2020 by
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// Alekos Filini <alekos.filini@gmail.com>
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//
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// Copyright (c) 2020 Magical Bitcoin
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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//! Key formats
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use bitcoin::util::bip32;
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use bitcoin::{PrivateKey, PublicKey};
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use miniscript::descriptor::{DescriptorPublicKey, DescriptorSecretKey, DescriptorXKey, KeyMap};
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use crate::Error;
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pub enum DescriptorKey {
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Public(DescriptorPublicKey),
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Secret(DescriptorSecretKey),
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}
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impl DescriptorKey {
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#[doc(hidden)]
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pub fn into_key_and_secret(self) -> Result<(DescriptorPublicKey, KeyMap), Error> {
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match self {
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DescriptorKey::Public(public) => Ok((public, KeyMap::default())),
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DescriptorKey::Secret(secret) => {
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let mut key_map = KeyMap::with_capacity(1);
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let public = secret
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.as_public()
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.map_err(|e| miniscript::Error::Unexpected(e.to_string()))?;
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key_map.insert(public.clone(), secret);
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Ok((public, key_map))
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}
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}
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}
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}
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pub trait ToDescriptorKey {
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fn to_descriptor_key(self) -> DescriptorKey;
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}
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impl ToDescriptorKey for DescriptorPublicKey {
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fn to_descriptor_key(self) -> DescriptorKey {
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DescriptorKey::Public(self)
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}
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}
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impl ToDescriptorKey for PublicKey {
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fn to_descriptor_key(self) -> DescriptorKey {
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DescriptorKey::Public(DescriptorPublicKey::PubKey(self))
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}
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}
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impl ToDescriptorKey for (bip32::ExtendedPubKey, bip32::DerivationPath, bool) {
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fn to_descriptor_key(self) -> DescriptorKey {
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DescriptorKey::Public(DescriptorPublicKey::XPub(DescriptorXKey {
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source: None,
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xkey: self.0,
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derivation_path: self.1,
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is_wildcard: self.2,
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}))
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}
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}
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impl ToDescriptorKey for DescriptorSecretKey {
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fn to_descriptor_key(self) -> DescriptorKey {
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DescriptorKey::Secret(self)
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}
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}
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impl ToDescriptorKey for PrivateKey {
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fn to_descriptor_key(self) -> DescriptorKey {
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DescriptorKey::Secret(DescriptorSecretKey::PrivKey(self))
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}
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}
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impl ToDescriptorKey for (bip32::ExtendedPrivKey, bip32::DerivationPath, bool) {
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fn to_descriptor_key(self) -> DescriptorKey {
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DescriptorKey::Secret(DescriptorSecretKey::XPrv(DescriptorXKey {
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source: None,
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xkey: self.0,
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derivation_path: self.1,
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is_wildcard: self.2,
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}))
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}
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}
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