snarkvm_circuit_program/request/
to_tpk.rs

1// Copyright 2024 Aleo Network Foundation
2// This file is part of the snarkVM library.
3
4// Licensed under the Apache License, Version 2.0 (the "License");
5// you may not use this file except in compliance with the License.
6// You may obtain a copy of the License at:
7
8// http://www.apache.org/licenses/LICENSE-2.0
9
10// Unless required by applicable law or agreed to in writing, software
11// distributed under the License is distributed on an "AS IS" BASIS,
12// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13// See the License for the specific language governing permissions and
14// limitations under the License.
15
16use super::*;
17
18impl<A: Aleo> Request<A> {
19    /// Returns the transition public key `tpk`.
20    pub fn to_tpk(&self) -> Group<A> {
21        // Retrieve the challenge from the signature.
22        let challenge = self.signature.challenge();
23        // Retrieve the response from the signature.
24        let response = self.signature.response();
25        // Retrieve `pk_sig` from the signature.
26        let pk_sig = self.signature.compute_key().pk_sig();
27        // Compute `tpk` as `(challenge * pk_sig) + (response * G)`, equivalent to `r * G`.
28        (pk_sig * challenge) + A::g_scalar_multiply(response)
29    }
30}
snarkvm_circuit_program/request/to_tpk.rs

snarkvm_circuit_program/request/
to_tpk.rs
