From b317ad6fdcfbb20e9ccc30db5d8f426fa99b9ce9 Mon Sep 17 00:00:00 2001
From: narodnik <x@x.org>
Date: Sun, 11 Oct 2020 14:35:04 +0200
Subject: [PATCH] comments for jj.rs

---
 src/bin/jubjub.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/bin/jubjub.rs b/src/bin/jubjub.rs
index c62d499e7..5e3214dc5 100644
--- a/src/bin/jubjub.rs
+++ b/src/bin/jubjub.rs
@@ -10,6 +10,8 @@ use rand::rngs::OsRng;
 type Result<T> = std::result::Result<T, failure::Error>;
 
 fn main() -> Result<()> {
+    // Load the contract from file
+
     let start = Instant::now();
     let file = File::open("jubjub.zcd")?;
     let mut visor = ZKSupervisor::decode(file)?;
@@ -26,8 +28,12 @@ fn main() -> Result<()> {
         visor.vm.constraints.len()
     );
 
+    // Do the trusted setup
+
     visor.setup();
 
+    // Put in our input parameters
+
     visor.set_param(
         "x1",
         Scalar::from_string("15a36d1f0f390d8852a35a8c1908dd87a361ee3fd48fdf77b9819dc82d90607e"),
@@ -45,8 +51,12 @@ fn main() -> Result<()> {
         Scalar::from_string("015d8c7f5b43fe33f7891142c001d9251f3abeeb98fad3e87b0dc53c4ebf1891"),
     )?;
 
+    // Generate the ZK proof
+
     let proof = visor.prove()?;
 
+    // Test and show our output values
+
     assert_eq!(proof.public.len(), 2);
     // 0x66ced46f14e5616d12b993f60a6e66558d6b6afe4c321ed212e0b9cfbd81061a
     assert_eq!(
@@ -61,6 +71,8 @@ fn main() -> Result<()> {
     println!("u = {:?}", proof.public.get("x3").unwrap());
     println!("v = {:?}", proof.public.get("y3").unwrap());
 
+    // Verify the proof
+
     assert!(visor.verify(&proof));
 
     Ok(())