Merge pull request #164 from LNP-BP/fix/162

Add MerkleBlock::conceal_other method

commit_verify/src/mpc/block.rs

@@ -258,6 +258,19 @@ impl MerkleBlock {
  })
  }
 
+ /// Conceals all commitments in the block except for the commitment under
+ /// given `protocol_id`. Also removes information about the entropy value
+ /// used.
+ ///
+ /// # Error
+ ///
+ /// If leaf with the given `protocol_id` is not found (absent or already
+ /// concealed), errors with [`LeafNotKnown`] error.
+ pub fn conceal_other(&mut self, protocol: ProtocolId) -> Result<(), LeafNotKnown> {
+ self.conceal_except([protocol])?;
+ Ok(())
+ }
+
  /// Conceals all commitments in the block except for the commitment under
  /// given `protocol_id`s. Also removes information about the entropy value
  /// used.
@@ -516,7 +529,7 @@ Changed commitment id: {}",
  mut self,
  protocol_id: ProtocolId,
  ) -> Result<MerkleProof, LeafNotKnown> {
- self.conceal_except([protocol_id])?;
+ self.conceal_other(protocol_id)?;
  let mut map = BTreeMap::<u5, MerkleHash>::new();
  for node in &self.cross_section {
  match node {