Merge pull request zcash#1168 from nuttycom/zcash_keys_sapling_feature

zcash_keys: Add `sapling` and `transparent` feature flags.

zcash_client_backend/Cargo.toml

@@ -27,7 +27,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 [dependencies]
 zcash_address.workspace = true
 zcash_encoding.workspace = true
-zcash_keys.workspace = true
+zcash_keys = { workspace = true, features = ["sapling"] }
 zcash_note_encryption.workspace = true
 zcash_primitives.workspace = true
 zip32.workspace = true

zcash_client_backend/src/data_api/wallet.rs

@@ -140,7 +140,7 @@ where
 /// };
 /// use zcash_proofs::prover::LocalTxProver;
 /// use zcash_client_backend::{
-///     keys::UnifiedSpendingKey,
+///     keys::{UnifiedSpendingKey, UnifiedAddressRequest},
 ///     data_api::{wallet::create_spend_to_address, error::Error, testing},
 ///     wallet::OvkPolicy,
 /// };
@@ -166,8 +166,9 @@ where
 /// };
 ///
 /// let account = AccountId::from(0);
+/// let req = UnifiedAddressRequest::new(false, true, true);
 /// let usk = UnifiedSpendingKey::from_seed(&Network::TestNetwork, &[0; 32][..], account).unwrap();
-/// let to = usk.to_unified_full_viewing_key().default_address().0.into();
+/// let to = usk.to_unified_full_viewing_key().default_address(req).0.into();
 ///
 /// let mut db_read = testing::MockWalletDb {
 ///     network: Network::TestNetwork

zcash_client_sqlite/Cargo.toml

@@ -22,7 +22,7 @@ rustdoc-args = ["--cfg", "docsrs"]
 zcash_address.workspace = true
 zcash_client_backend = { workspace = true, features = ["unstable-serialization", "unstable-spanning-tree"] }
 zcash_encoding.workspace = true
-zcash_keys = { workspace = true, features = ["orchard"] }
+zcash_keys = { workspace = true, features = ["orchard", "sapling"] }
 zcash_primitives.workspace = true
 
 # Dependencies exposed in a public API:
@@ -90,7 +90,7 @@ multicore = ["maybe-rayon/threads", "zcash_primitives/multicore"]
 
 ## Enables support for storing data related to the sending and receiving of 
 ## Orchard funds.
-orchard = ["dep:orchard", "zcash_client_backend/orchard"]
+orchard = ["dep:orchard", "zcash_client_backend/orchard", "zcash_keys/orchard"]
 
 ## Exposes APIs that are useful for testing, such as `proptest` strategies.
 test-dependencies = [
@@ -100,8 +100,12 @@ test-dependencies = [
     "incrementalmerkletree/test-dependencies",
 ]
 
-## Enables receiving transparent funds and shielding them.
-transparent-inputs = ["dep:hdwallet", "zcash_client_backend/transparent-inputs"]
+## Enables receiving transparent funds and sending to transparent recipients
+transparent-inputs = [
+  "dep:hdwallet", 
+  "zcash_keys/transparent-inputs",
+  "zcash_client_backend/transparent-inputs"
+]
 
 #! ### Experimental features
 

zcash_keys/Cargo.toml

@@ -48,7 +48,7 @@ subtle.workspace = true
 bls12_381.workspace = true
 group.workspace = true
 orchard = { workspace = true, optional = true }
-sapling.workspace = true
+sapling = { workspace = true, optional = true }
 
 # - Test dependencies
 proptest = { workspace = true, optional = true }
@@ -75,6 +75,9 @@ transparent-inputs = ["dep:hdwallet", "zcash_primitives/transparent-inputs"]
 ## Enables use of Orchard key parts and addresses
 orchard = ["dep:orchard"]
 
+## Enables use of Sapling key parts and addresses
+sapling = ["dep:sapling"]
+
 ## Exposes APIs that are useful for testing, such as `proptest` strategies.
 test-dependencies = [
     "dep:proptest",