add Debug to transaction builder-reported types

zcash_client_backend/src/fees.rs

@@ -219,6 +219,7 @@ pub(crate) mod tests {
         transparent::{fees as transparent, OutPoint, TxOut},
     };
 
+    #[derive(Debug)]
     pub(crate) struct TestTransparentInput {
         pub outpoint: OutPoint,
         pub coin: TxOut,

zcash_primitives/src/transaction/components/transparent/builder.rs

@@ -43,6 +43,7 @@ impl fmt::Display for Error {
 /// An uninhabited type that allows the type of [`TransparentBuilder::inputs`]
 /// to resolve when the transparent-inputs feature is not turned on.
 #[cfg(not(feature = "transparent-inputs"))]
+#[derive(Debug)]
 enum InvalidTransparentInput {}
 
 #[cfg(not(feature = "transparent-inputs"))]

zcash_primitives/src/transaction/components/transparent/fees.rs

@@ -9,7 +9,7 @@ use crate::{
 
 /// This trait provides a minimized view of a transparent input suitable for use in
 /// fee and change computation.
-pub trait InputView {
+pub trait InputView: std::fmt::Debug {
     /// The outpoint to which the input refers.
     fn outpoint(&self) -> &OutPoint;
     /// The previous output being spent.
@@ -18,7 +18,7 @@ pub trait InputView {
 
 /// This trait provides a minimized view of a transparent output suitable for use in
 /// fee and change computation.
-pub trait OutputView {
+pub trait OutputView: std::fmt::Debug {
     /// Returns the value of the output being created.
     fn value(&self) -> Amount;
     /// Returns the script corresponding to the newly created output.