Added add_transparent_output_with_script_pubkey()

zcash_primitives/src/transaction/builder.rs

@@ -13,6 +13,7 @@ use crate::{
     consensus,
     keys::OutgoingViewingKey,
     legacy::TransparentAddress,
+    legacy::Script,
     merkle_tree::MerklePath,
     note_encryption::{generate_esk, Memo, SaplingNoteEncryption},
     prover::TxProver,
@@ -419,6 +420,25 @@ impl<R: RngCore + CryptoRng> Builder<R> {
         Ok(())
     }
 
+    /// Adds a transparent address to send funds to, using supplied script pubkey
+    pub fn add_transparent_output_with_script_pubkey(
+        &mut self,
+        to: &TransparentAddress,
+        value: Amount,
+        script_pubkey: Script,
+    ) -> Result<(), Error> {
+        if value.is_negative() {
+            return Err(Error::InvalidAmount);
+        }
+
+        self.mtx.vout.push(TxOut {
+            value,
+            script_pubkey
+        });
+
+        Ok(())
+    }
+
     /// Sets the Sapling address to which any change will be sent.
     ///
     /// By default, change is sent to the Sapling address corresponding to the first note