From 40d9115cc51bdfe4f55c986c30216ce65e8410ea Mon Sep 17 00:00:00 2001
From: teor <teor@riseup.net>
Date: Mon, 1 Aug 2022 07:50:10 +1000
Subject: [PATCH] Fix up conditional compilation and imports

---
 zcash_proofs/src/hashreader.rs |  2 ++
 zcash_proofs/src/lib.rs        | 16 ++++++++--------
 2 files changed, 10 insertions(+), 8 deletions(-)

diff --git a/zcash_proofs/src/hashreader.rs b/zcash_proofs/src/hashreader.rs
index 0590e0748d..47fbc648e2 100644
--- a/zcash_proofs/src/hashreader.rs
+++ b/zcash_proofs/src/hashreader.rs
@@ -1,3 +1,5 @@
+//! Abstraction over a reader which hashes the data being read.
+
 use std::{
     fmt::Write,
     io::{self, Read},
diff --git a/zcash_proofs/src/lib.rs b/zcash_proofs/src/lib.rs
index c708bd24e6..1eb68af25b 100644
--- a/zcash_proofs/src/lib.rs
+++ b/zcash_proofs/src/lib.rs
@@ -9,11 +9,14 @@
 // Temporary until we have addressed all Result<T, ()> cases.
 #![allow(clippy::result_unit_err)]
 
+use std::{
+    fs::File,
+    io::{self, BufReader},
+    path::Path,
+};
+
 use bellman::groth16::{prepare_verifying_key, Parameters, PreparedVerifyingKey, VerifyingKey};
 use bls12_381::Bls12;
-use std::fs::File;
-use std::io::{self, BufReader};
-use std::path::Path;
 
 #[cfg(feature = "directories")]
 use directories::BaseDirs;
@@ -22,7 +25,7 @@ use std::path::PathBuf;
 
 pub mod circuit;
 pub mod constants;
-mod hashreader;
+pub mod hashreader;
 pub mod sapling;
 pub mod sprout;
 
@@ -40,15 +43,12 @@ mod downloadreader;
 // Circuit names
 
 /// The sapling spend parameters file name.
-#[cfg(any(feature = "local-prover", feature = "download-params"))]
 pub const SAPLING_SPEND_NAME: &str = "sapling-spend.params";
 
 /// The sapling output parameters file name.
-#[cfg(any(feature = "local-prover", feature = "download-params"))]
 pub const SAPLING_OUTPUT_NAME: &str = "sapling-output.params";
 
 /// The sprout parameters file name.
-#[cfg(any(feature = "local-prover", feature = "download-params"))]
 pub const SPROUT_NAME: &str = "sprout-groth16.params";
 
 // Circuit hashes
@@ -66,6 +66,7 @@ const DOWNLOAD_URL: &str = "https://download.z.cash/downloads";
 
 /// The paths to the Sapling parameter files.
 #[cfg(feature = "download-params")]
+#[cfg_attr(docsrs, doc(cfg(feature = "download-params")))]
 #[derive(Clone, Debug, Eq, PartialEq)]
 pub struct SaplingParameterPaths {
     /// The path to the Sapling spend parameter file.
@@ -289,7 +290,6 @@ pub struct ZcashParameters {
 /// Load the specified parameters, checking the sizes and hashes of the files.
 ///
 /// Returns the loaded parameters.
-#[cfg(any(feature = "local-prover", feature = "download-params"))]
 pub fn load_parameters(
     spend_path: &Path,
     output_path: &Path,