use ark_circom::{CircomBuilder, CircomConfig}; use ark_std::rand::thread_rng; use color_eyre::Result; use ark_bn254::Bn254; use ark_groth16::{ create_random_proof as prove, generate_random_parameters, prepare_verifying_key, verify_proof, }; #[test] fn groth16_proof() -> Result<()> { let cfg = CircomConfig::::new( "./test-vectors/mycircuit.wasm", "./test-vectors/mycircuit.r1cs", )?; let mut builder = CircomBuilder::new(cfg); builder.push_input("a", 3); builder.push_input("b", 11); // create an empty instance for setting it up let circom = builder.setup(); let mut rng = thread_rng(); let params = generate_random_parameters::(circom, &mut rng)?; let circom = builder.build()?; let inputs = circom.get_public_inputs().unwrap(); let proof = prove(circom, ¶ms, &mut rng)?; let pvk = prepare_verifying_key(¶ms.vk); let verified = verify_proof(&pvk, &proof, &inputs)?; assert!(verified); Ok(()) } #[test] fn groth16_proof_wrong_input() { let cfg = CircomConfig::::new( "./test-vectors/mycircuit.wasm", "./test-vectors/mycircuit.r1cs", ) .unwrap(); let mut builder = CircomBuilder::new(cfg); builder.push_input("a", 3); // This isn't a public input to the circuit, should faild builder.push_input("foo", 11); // create an empty instance for setting it up let circom = builder.setup(); let mut rng = thread_rng(); let _params = generate_random_parameters::(circom, &mut rng).unwrap(); let _ = builder.build().unwrap_err(); } #[test] #[cfg(feature = "circom-2")] fn groth16_proof_circom2() -> Result<()> { let cfg = CircomConfig::::new( "./test-vectors/circom2_multiplier2.wasm", "./test-vectors/circom2_multiplier2.r1cs", )?; let mut builder = CircomBuilder::new(cfg); builder.push_input("a", 3); builder.push_input("b", 11); // create an empty instance for setting it up let circom = builder.setup(); let mut rng = thread_rng(); let params = generate_random_parameters::(circom, &mut rng)?; let circom = builder.build()?; let inputs = circom.get_public_inputs().unwrap(); let proof = prove(circom, ¶ms, &mut rng)?; let pvk = prepare_verifying_key(¶ms.vk); let verified = verify_proof(&pvk, &proof, &inputs)?; assert!(verified); Ok(()) } #[test] #[cfg(feature = "circom-2")] fn witness_generation_circom2() -> Result<()> { let cfg = CircomConfig::::new( "./test-vectors/circom2_multiplier2.wasm", "./test-vectors/circom2_multiplier2.r1cs", )?; let mut builder = CircomBuilder::new(cfg); builder.push_input("a", 3); builder.push_input("b", 0x100000000u64 - 1); assert!(builder.build().is_ok()); Ok(()) }