snarkvm_circuit_program/data/record/
to_commitment.rs

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// Copyright 2024 Aleo Network Foundation
// This file is part of the snarkVM library.

// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at:

// http://www.apache.org/licenses/LICENSE-2.0

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use super::*;

impl<A: Aleo> Record<A, Plaintext<A>> {
    /// Returns the record commitment.
    pub fn to_commitment(&self, program_id: &ProgramID<A>, record_name: &Identifier<A>) -> Field<A> {
        // Construct the input as `(program_id || record_name || record)`.
        let mut input = program_id.to_bits_le();
        record_name.write_bits_le(&mut input);
        self.write_bits_le(&mut input);
        // Compute the BHP hash of the program record.
        A::hash_bhp1024(&input)
    }
}

impl<A: Aleo> Record<A, Ciphertext<A>> {
    /// Returns the record commitment.
    pub fn to_commitment(&self, _program_id: &ProgramID<A>, _record_name: &Identifier<A>) -> Field<A> {
        A::halt("Illegal operation: Record::to_commitment() cannot be invoked on the `Ciphertext` variant.")
    }
}