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Merge rust-bitcoin/rust-bitcoin#847: Add a method to psbt to compute find sighash type 

fb04cabe1d Add a method to psbt to compute find sighash type (Rishabh Singhal)

Pull request description:

  Fixes #838: Add a utility method to psbt to compute find sighash
  type of a given input.

  For now, I have changed my previous implementation as discussed in #838 to functional style code as suggested by @Kixunil.

ACKs for top commit:
  apoelstra:
    ACK fb04cabe1d
  Kixunil:
    ACK fb04cabe1d

Tree-SHA512: 86184649e7a309348cb217347b82bf39c9997ae259fe7881322038a88bd04deab927bede1dd71d17496bac420353a3fd07e7d191ff4671a07754c02a38dd1319
This commit is contained in:
Andrew Poelstra 2022-02-27 19:14:23 +00:00
parent 45fe2768cc fb04cabe1d
commit c7ff483c1c
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1 changed files with 22 additions and 0 deletions
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22
src/util/psbt/map/input.rs
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@ -191,6 +191,28 @@ impl PsbtSigHashType {
}
impl Input {
/// Obtains the [`EcdsaSigHashType`] for this input if one is specified.
/// If no sighash type is specified, returns ['EcdsaSigHashType::All']
///
/// Errors:
/// If the sighash type is not a standard ecdsa sighash type
pub fn ecdsa_hash_ty(&self) -> Result<EcdsaSigHashType, NonStandardSigHashType> {
self.sighash_type
.map(|sighash_type| sighash_type.ecdsa_hash_ty())
.unwrap_or(Ok(EcdsaSigHashType::All))
}
/// Obtains the [`SchnorrSigHashType`] for this input if one is specified.
/// If no sighash type is specified, returns ['SchnorrSigHashType::Default']
///
/// Errors:
/// If the sighash type is an invalid schnorr sighash type
pub fn schnorr_hash_ty(&self) -> Result<SchnorrSigHashType, sighash::Error> {
self.sighash_type
.map(|sighash_type| sighash_type.schnorr_hash_ty())
.unwrap_or(Ok(SchnorrSigHashType::Default))
}
pub(super) fn insert_pair(&mut self, pair: raw::Pair) -> Result<(), encode::Error> {
let raw::Pair {
key: raw_key,