leo/state/tests/test_verify_local_data_commitment.rs

// Copyright (C) 2019-2021 Aleo Systems Inc.
// This file is part of the Leo library.

// The Leo library is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// The Leo library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with the Leo library. If not, see <https://www.gnu.org/licenses/>.

// use leo_ast::Input;
// use leo_input::LeoInputParser;
// use leo_state::verify_local_data_commitment;
//
// use snarkos_storage::{mem::MemDb, Ledger};
// use snarkvm_algorithms::traits::{CommitmentScheme, CRH};
// use snarkvm_dpc::{
//     base_dpc::{instantiated::*, record_payload::RecordPayload, DPC},
//     traits::DPCScheme,
//     Account,
//     AccountScheme,
//     Record,
// };
// use snarkvm_utilities::{bytes::ToBytes, to_bytes};
//
// use rand::Rng;
// use rand_core::SeedableRng;
// use rand_xorshift::XorShiftRng;
//
// // TODO (Collin): Update input to reflect new parameter ordering.
// #[test]
// #[ignore]
// fn test_verify_local_data_commitment_from_file() {
//     let mut rng = XorShiftRng::seed_from_u64(1231275789u64);
//
//     // Generate parameters for the record commitment scheme
//     let system_parameters = InstantiatedDPC::generate_system_parameters(&mut rng).unwrap();
//
//     // Load test record state file from `inputs/test.state`
//     let file_bytes = include_bytes!("inputs/test_state.state");
//     let file_string = String::from_utf8_lossy(file_bytes);
//     let file = LeoInputParser::parse_file(&file_string).unwrap();
//
//     let mut program_input = Input::new();
//     program_input.parse_state(file).unwrap();
//
//     // check record state is correct by verifying commitment
//     let result = verify_local_data_commitment(&system_parameters, &program_input).unwrap();
//
//     assert!(result);
// }
//
// #[test]
// #[ignore]
// fn test_generate_values_from_dpc() {
//     type L = Ledger<Tx, CommitmentMerkleParameters, MemDb>;
//
//     let mut rng = XorShiftRng::seed_from_u64(1231275789u64);
//
//     // Specify network_id
//     let network_id: u8 = 0;
//
//     // Generate parameters for the ledger, commitment schemes, CRH, and the
//     // "always-accept" program.
//     let system_parameters = InstantiatedDPC::generate_system_parameters(&mut rng).unwrap();
//     let noop_program_snark_pp =
//         InstantiatedDPC::generate_noop_program_snark_parameters(&system_parameters, &mut rng).unwrap();
//
//     let noop_program_id = to_bytes_le![
//         ProgramVerificationKeyCRH::hash(
//             &system_parameters.program_verification_key_crh,
//             &to_bytes_le![noop_program_snark_pp.verification_key].unwrap()
//         )
//         .unwrap()
//     ]
//     .unwrap();
//
//     let signature_parameters = &system_parameters.account_signature;
//     let commitment_parameters = &system_parameters.account_commitment;
//     let encryption_parameters = &system_parameters.account_encryption;
//
//     // Generate metadata and an account for a dummy initial record.
//     let dummy_account = Account::new(
//         signature_parameters,
//         commitment_parameters,
//         encryption_parameters,
//         &mut rng,
//     )
//     .unwrap();
//
//     let sn_nonce = SerialNumberNonce::hash(&system_parameters.serial_number_nonce, &[0u8; 1]).unwrap();
//     let value = rng.gen();
//     let payload: [u8; 32] = rng.gen();
//
//     let old_record = DPC::generate_record(
//         &system_parameters,
//         sn_nonce,
//         dummy_account.address,
//         false,
//         value,
//         RecordPayload::from_bytes(&payload),
//         noop_program_id.clone(),
//         noop_program_id.clone(),
//         &mut rng,
//     )
//     .unwrap();
//
//     // Set the input records for our transaction to be the initial dummy records.
//     let old_records = vec![old_record; NUM_INPUT_RECORDS];
//     let old_account_private_keys = vec![dummy_account.private_key; NUM_INPUT_RECORDS];
//
//     // Construct new records.
//
//     // Create an account for an actual new record.
//
//     let new_account = Account::new(
//         signature_parameters,
//         commitment_parameters,
//         encryption_parameters,
//         &mut rng,
//     )
//     .unwrap();
//
//     // Set the new record's program to be the "always-accept" program.
//
//     let new_record_owners = vec![new_account.address; NUM_OUTPUT_RECORDS];
//     let new_is_dummy_flags = vec![false; NUM_OUTPUT_RECORDS];
//     let new_values = vec![10; NUM_OUTPUT_RECORDS];
//     let new_payloads = vec![RecordPayload::default(); NUM_OUTPUT_RECORDS];
//     let new_birth_program_ids = vec![noop_program_id.clone(); NUM_OUTPUT_RECORDS];
//     let new_death_program_ids = vec![noop_program_id; NUM_OUTPUT_RECORDS];
//     let memo = [0u8; 32];
//
//     let context = <InstantiatedDPC as DPCScheme<L>>::execute_offline(
//         system_parameters.clone(),
//         old_records,
//         old_account_private_keys,
//         new_record_owners,
//         &new_is_dummy_flags,
//         &new_values,
//         new_payloads,
//         new_birth_program_ids,
//         new_death_program_ids,
//         memo,
//         network_id,
//         &mut rng,
//     )
//     .unwrap();
//
//     let local_data = context.into_local_data();
//     let leaf_index = 0;
//     let record = &local_data.old_records[leaf_index];
//
//     let root = local_data.local_data_merkle_tree.root();
//
//     let serial_number = local_data.old_serial_numbers[0];
//     let serial_number_bytes = to_bytes_le![serial_number].unwrap();
//
//     let memorandum = local_data.memorandum;
//     let network_id = local_data.network_id;
//     let input_bytes = to_bytes_le![serial_number, record.commitment(), memorandum, network_id].unwrap();
//     let leaf_randomness = local_data.local_data_commitment_randomizers[0];
//
//     let old_record_leaf = <LocalDataCommitment as CommitmentScheme>::commit(
//         &system_parameters.local_data_commitment,
//         &input_bytes,
//         &leaf_randomness,
//     )
//     .unwrap();
//
//     // generate the path
//
//     let path = local_data
//         .local_data_merkle_tree
//         .generate_proof(&old_record_leaf)
//         .unwrap();
//
//     println!("////////////////////////////////////////////////////");
//     println!();
//     println!("[state]");
//     println!("leaf index {}", leaf_index);
//     println!("root {:?}", to_bytes_le![root].unwrap());
//     println!();
//     println!("[record]");
//     println!(
//         "serial number {:?} len {}",
//         serial_number_bytes,
//         serial_number_bytes.len()
//     );
//     println!("commitment {:?}", to_bytes_le![record.commitment()].unwrap());
//     println!("owner {}", record.owner());
//     println!("is_dummy {:?}", record.is_dummy());
//     println!("value {:?}", record.value());
//     println!("payload {:?}", record.payload());
//     println!("birth_program_id {:?}", record.birth_program_id());
//     println!("death_program_id {:?}", record.death_program_id());
//     println!(
//         "serial number nonce {:?}",
//         to_bytes_le![record.serial_number_nonce()].unwrap()
//     );
//     println!(
//         "commitment randomness {:?}",
//         to_bytes_le![record.commitment_randomness()].unwrap()
//     );
//     println!();
//     println!("[state_leaf]");
//     println!("path {:?}", to_bytes_le![path].unwrap());
//     println!("memo {:?}", memorandum);
//     println!("network id {:?}", network_id);
//     println!("leaf randomness {:?}", to_bytes_le![leaf_randomness].unwrap());
//     println!();
//     println!("////////////////////////////////////////////////////");
// }