Change entropy to be the last command line arg, add test.sh file that demontstrates phase2 usage

phase2/src/bin/contribute.rs

@@ -16,12 +16,12 @@ use std::fs::OpenOptions;
 fn main() {
     let args: Vec<String> = std::env::args().collect();
     if args.len() != 4 {
-        println!("Usage: \n<in_params.params> <in_str_entropy> <out_params.params>");
+        println!("Usage: \n<in_params.params> <out_params.params> <in_str_entropy>");
         std::process::exit(exitcode::USAGE);
     }
     let in_params_filename = &args[1];
-    let entropy = &args[2];
-    let out_params_filename = &args[3];
+    let out_params_filename = &args[2];
+    let entropy = &args[3];
 
     let disallow_points_at_infinity = false;
 

phase2/test.sh

@@ -0,0 +1,41 @@
+#!/bin/sh
+
+rm -f pk.json vk.json transformed_vk.json transformed_pk.* proof.json
+
+set -e
+
+# move results of powers of tau here
+cp ../powersoftau/phase1radix* .
+
+# compile circuit
+npx circom circuit.circom -o circuit.json && npx snarkjs info -c circuit.json
+# npx snarkjs info -c circuit.json
+
+# initialize ceremony
+cargo run --release --bin new circuit.json circom1.params
+
+cargo run --release --bin contribute circom1.params circom2.params asdajdzixcjlzxjczxlkcjzxlkcj
+cargo run --release --bin verify_contribution circuit.json circom1.params circom2.params
+
+cargo run --release --bin contribute circom2.params circom3.params dsfjkshdfakjhsdf
+cargo run --release --bin verify_contribution circuit.json circom2.params circom3.params
+
+cargo run --release --bin contribute circom3.params circom4.params askldfjklasdf
+cargo run --release --bin verify_contribution circuit.json circom3.params circom4.params
+
+# generate resulting keys
+cargo run --release --bin export_keys circom4.params vk.json pk.json
+
+# create dummy keys in circom format
+npx snarkjs setup --protocol groth
+# patch dummy keys with actual keys params
+node patch_vk.js
+# generate binary version of proving key
+node node_modules/websnark/tools/buildpkey.js -i transformed_pk.json -o transformed_pk.bin
+
+# try to generate and verify proof
+snarkjs calculatewitness
+node node_modules/websnark/tools/buildwitness.js -i witness.json -o witness.bin
+snarkjs proof # to get public inputs json only
+./cli.js
+snarkjs verify --vk transformed_vk.json --proof proof.json