tornado-packages/phase2-bn254
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generate public inputs file for proof, test script update

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poma 2020-01-23 00:23:39 +08:00
parent 95379a1a1c
commit 21c3c6115e
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GPG Key ID: BA20CB01FE165657
2 changed files with 42 additions and 39 deletions
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61
phase2/src/bin/prove.rs
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@ -34,14 +34,15 @@ struct ProofJson {
fn main() { fn main() {
let args: Vec<String> = std::env::args().collect(); let args: Vec<String> = std::env::args().collect();
if args.len() != 5 { if args.len() != 6 {
println!("Usage: \n<circuit.json> <witness.json> <params> <proof.json>"); println!("Usage: \n<circuit.json> <witness.json> <params> <proof.json> <public.json>");
std::process::exit(exitcode::USAGE); std::process::exit(exitcode::USAGE);
} }
let circuit_filename = &args[1]; let circuit_filename = &args[1];
let witness_filename = &args[2]; let witness_filename = &args[2];
let params_filename = &args[3]; let params_filename = &args[3];
let proof_filename = &args[4]; let proof_filename = &args[4];
let public_filename = &args[5];
let should_filter_points_at_infinity = false; let should_filter_points_at_infinity = false;
let rng = &mut rand::XorShiftRng::new_unseeded(); // TODO: change this unsafe unseeded random (!) let rng = &mut rand::XorShiftRng::new_unseeded(); // TODO: change this unsafe unseeded random (!)
@ -75,41 +76,32 @@ fn main() {
let repr_to_big = |r| { let repr_to_big = |r| {
BigUint::from_str_radix(&format!("{}", r)[2..], 16).unwrap().to_str_radix(10) BigUint::from_str_radix(&format!("{}", r)[2..], 16).unwrap().to_str_radix(10)
}; };
let repr_to_big2 = |r| {
BigUint::from_str_radix(&format!("{}", r)[2..], 16).unwrap().to_str_radix(10)
};
let p1_to_vec = |p : &<Bn256 as Engine>::G1Affine| { let p1_to_vec = |p : &<Bn256 as Engine>::G1Affine| {
let mut v = vec![]; vec![
//println!("test: {}", p.get_x().into_repr()); repr_to_big(p.get_x().into_repr()),
let x = repr_to_big(p.get_x().into_repr()); repr_to_big(p.get_y().into_repr()),
v.push(x); if p.is_zero() { "0".to_string() } else { "1".to_string() }
let y = repr_to_big(p.get_y().into_repr()); ]
v.push(y);
if p.is_zero() {
v.push("0".to_string());
} else {
v.push("1".to_string());
}
v
}; };
let p2_to_vec = |p : &<Bn256 as Engine>::G2Affine| { let p2_to_vec = |p : &<Bn256 as Engine>::G2Affine| {
let mut v = vec![]; vec![
let x = p.get_x(); vec![
let mut x_v = vec![]; repr_to_big(p.get_x().c0.into_repr()),
x_v.push(repr_to_big(x.c0.into_repr())); repr_to_big(p.get_x().c1.into_repr()),
x_v.push(repr_to_big(x.c1.into_repr())); ],
v.push(x_v); vec![
repr_to_big(p.get_y().c0.into_repr()),
let y = p.get_y(); repr_to_big(p.get_y().c1.into_repr()),
let mut y_v = vec![]; ],
y_v.push(repr_to_big(y.c0.into_repr()));
y_v.push(repr_to_big(y.c1.into_repr()));
v.push(y_v);
if p.is_zero() { if p.is_zero() {
v.push(["0".to_string(), "0".to_string()].to_vec()); vec!["0".to_string(), "0".to_string()]
} else { } else {
v.push(["1".to_string(), "0".to_string()].to_vec()); vec!["1".to_string(), "0".to_string()]
} }
]
v
}; };
let proof = ProofJson { let proof = ProofJson {
@ -122,5 +114,12 @@ fn main() {
let proof_json = serde_json::to_string(&proof).unwrap(); let proof_json = serde_json::to_string(&proof).unwrap();
fs::write(proof_filename, proof_json.as_bytes()).unwrap(); fs::write(proof_filename, proof_json.as_bytes()).unwrap();
let mut public_inputs = vec![];
for x in input[1..].iter() {
public_inputs.push(repr_to_big2(x.into_repr()));
}
let public_json = serde_json::to_string(&public_inputs).unwrap();
fs::write(public_filename, public_json.as_bytes()).unwrap();
println!("Done!") println!("Done!")
} }

14
phase2/test.sh
View File

@ -1,9 +1,12 @@
#!/bin/sh #!/bin/sh
rm -f pk.json vk.json transformed_vk.json transformed_pk.* proof.json
set -e set -e
if [ ! -f ../powersoftau/phase1radix2m0 ]; then
echo "Please run powers of tau test first to generate radix files"
exit 1
fi
# move results of powers of tau here # move results of powers of tau here
cp ../powersoftau/phase1radix* . cp ../powersoftau/phase1radix* .
@ -26,6 +29,7 @@ cargo run --release --bin verify_contribution circuit.json circom3.params circom
# generate resulting keys # generate resulting keys
cargo run --release --bin export_keys circom4.params vk.json pk.json cargo run --release --bin export_keys circom4.params vk.json pk.json
# create dummy keys in circom format # create dummy keys in circom format
echo "generating dummy key files..."
npx snarkjs setup --protocol groth npx snarkjs setup --protocol groth
# patch dummy keys with actual keys params # patch dummy keys with actual keys params
cargo run --release --bin copy_json proving_key.json pk.json transformed_pk.json cargo run --release --bin copy_json proving_key.json pk.json transformed_pk.json
@ -35,6 +39,6 @@ cargo run --release --bin copy_json verification_key.json vk.json transformed_vk
cargo run --release --bin generate_verifier circom4.params verifier.sol cargo run --release --bin generate_verifier circom4.params verifier.sol
# try to generate and verify proof # try to generate and verify proof
snarkjs calculatewitness npx snarkjs calculatewitness
cargo run --release --bin prove circuit.json witness.json circom4.params proof.json cargo run --release --bin prove circuit.json witness.json circom4.params proof.json public.json
snarkjs verify --vk transformed_vk.json --proof proof.json npx snarkjs verify --vk transformed_vk.json --proof proof.json