Rename TaprootBuilder::is_complete into is_finalized

Author: dr-orlovsky

src/util/psbt/map/output.rs

@@ -141,7 +141,7 @@ impl TapTree {
     /// A [`TapTree`] iff the `inner` builder is complete, otherwise return [`IncompleteTapTree`]
     /// error with the content of incomplete builder `inner` instance.
     pub fn from_inner(inner: TaprootBuilder) -> Result<Self, IncompleteTapTree> {
-        if !inner.is_complete() {
+        if !inner.is_finalized() {
             Err(IncompleteTapTree::NotFinalized(inner))
         } else {
             Ok(TapTree(inner))

src/util/psbt/serialize.rs

@@ -355,7 +355,7 @@ impl Deserialize for TapTree {
             builder = builder.add_leaf_with_ver(*depth, script, leaf_version)
                 .map_err(|_| encode::Error::ParseFailed("Tree not in DFS order"))?;
         }
-        if builder.is_complete() {
+        if builder.is_finalized() {
             Ok(TapTree(builder))
         } else {
             Err(encode::Error::ParseFailed("Incomplete taproot Tree"))

src/util/taproot.rs

@@ -461,8 +461,8 @@ impl TaprootBuilder {
         self.insert(node, depth)
     }
 
-    /// Checks if the builder is a complete tree.
-    pub fn is_complete(&self) -> bool {
+    /// Checks if the builder has finalized building a tree.
+    pub fn is_finalized(&self) -> bool {
         self.branch.len() == 1 && self.branch[0].is_some()
     }