Ensure that transparent input functionality is correctly feature-flagged.

zcash_client_backend/src/data_api/wallet.rs

@@ -2,16 +2,18 @@ use std::fmt::Debug;
 use zcash_primitives::{
     consensus::{self, NetworkUpgrade},
     memo::MemoBytes,
-    sapling::{keys::OutgoingViewingKey, prover::TxProver},
+    sapling::prover::TxProver,
     transaction::{
         builder::Builder,
         components::{amount::DEFAULT_FEE, Amount},
         Transaction,
     },
-    transparent,
     zip32::{ExtendedFullViewingKey, ExtendedSpendingKey},
 };
 
+#[cfg(feature = "transparent-inputs")]
+use zcash_primitives::{sapling::keys::OutgoingViewingKey, transparent};
+
 use crate::{
     address::RecipientAddress,
     data_api::{

zcash_primitives/Cargo.toml

@@ -40,7 +40,7 @@ proptest = { version = "1.0.0", optional = true }
 rand = "0.8"
 rand_core = "0.6"
 ripemd160 = { version = "0.9", optional = true }
-secp256k1 = "0.20"
+secp256k1 = { version = "0.20", optional = true }
 sha2 = "0.9"
 subtle = "2.2.3"
 zcash_address = { version = "0.0", path = "../components/zcash_address" }
@@ -61,7 +61,7 @@ orchard = { version = "=0.1.0-beta.1", features = ["test-dependencies"] }
 pprof = { version = "=0.6.1", features = ["criterion", "flamegraph"] }
 
 [features]
-transparent-inputs = ["ripemd160"]
+transparent-inputs = ["ripemd160", "hdwallet", "secp256k1"]
 test-dependencies = ["proptest", "orchard/test-dependencies"]
 zfuture = []
 

zcash_primitives/src/lib.rs

@@ -17,6 +17,7 @@ pub mod memo;
 pub mod merkle_tree;
 pub mod sapling;
 pub mod transaction;
+#[cfg(feature = "transparent-inputs")]
 pub mod transparent;
 pub mod zip32;
 pub mod zip339;