111 lines
3.3 KiB
Rust
111 lines
3.3 KiB
Rust
// Rust Bitcoin Library
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// Written by
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// The Rust Bitcoin developers
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//
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// To the extent possible under law, the author(s) have dedicated all
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// copyright and related and neighboring rights to this software to
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// the public domain worldwide. This software is distributed without
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// any warranty.
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//
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// You should have received a copy of the CC0 Public Domain Dedication
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// along with this software.
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// If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
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//
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use std::collections::BTreeMap;
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use std::collections::btree_map::Entry;
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use blockdata::script::Script;
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use consensus::encode;
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use util::bip32::{DerivationPath, Fingerprint};
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use util::key::PublicKey;
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use util::psbt;
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use util::psbt::map::Map;
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use util::psbt::raw;
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use util::psbt::Error;
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/// A key-value map for an output of the corresponding index in the unsigned
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/// transaction.
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#[derive(Clone, Default, Debug, PartialEq)]
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pub struct Output {
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/// The redeem script for this output.
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pub redeem_script: Option<Script>,
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/// The witness script for this output.
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pub witness_script: Option<Script>,
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/// A map from public keys needed to spend this output to their
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/// corresponding master key fingerprints and derivation paths.
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pub hd_keypaths: BTreeMap<PublicKey, (Fingerprint, DerivationPath)>,
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/// Unknown key-value pairs for this output.
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pub unknown: BTreeMap<raw::Key, Vec<u8>>,
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}
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impl Map for Output {
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fn insert_pair(&mut self, pair: raw::Pair) -> Result<(), encode::Error> {
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let raw::Pair {
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key: raw_key,
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value: raw_value,
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} = pair;
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match raw_key.type_value {
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0u8 => {
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impl_psbt_insert_pair! {
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self.redeem_script <= <raw_key: _>|<raw_value: Script>
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}
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}
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1u8 => {
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impl_psbt_insert_pair! {
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self.witness_script <= <raw_key: _>|<raw_value: Script>
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}
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}
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2u8 => {
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impl_psbt_insert_pair! {
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self.hd_keypaths <= <raw_key: PublicKey>|<raw_value: (Fingerprint, DerivationPath)>
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}
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}
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_ => match self.unknown.entry(raw_key) {
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Entry::Vacant(empty_key) => {empty_key.insert(raw_value);},
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Entry::Occupied(k) => return Err(Error::DuplicateKey(k.key().clone()).into()),
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}
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}
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Ok(())
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}
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fn get_pairs(&self) -> Result<Vec<raw::Pair>, encode::Error> {
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let mut rv: Vec<raw::Pair> = Default::default();
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impl_psbt_get_pair! {
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rv.push(self.redeem_script as <0u8, _>|<Script>)
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}
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impl_psbt_get_pair! {
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rv.push(self.witness_script as <1u8, _>|<Script>)
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}
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impl_psbt_get_pair! {
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rv.push(self.hd_keypaths as <2u8, PublicKey>|<(Fingerprint, DerivationPath)>)
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}
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for (key, value) in self.unknown.iter() {
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rv.push(raw::Pair {
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key: key.clone(),
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value: value.clone(),
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});
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}
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Ok(rv)
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}
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fn merge(&mut self, other: Self) -> Result<(), psbt::Error> {
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self.hd_keypaths.extend(other.hd_keypaths);
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self.unknown.extend(other.unknown);
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merge!(redeem_script, self, other);
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merge!(witness_script, self, other);
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Ok(())
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}
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}
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impl_psbtmap_consensus_enc_dec_oding!(Output);
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