1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50

// Copyright (C) 2019-2023 Aleo Systems Inc.
// 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<N: Network> ComputeKey<N> {
    /// Returns the address corresponding to the compute key.
    pub fn to_address(&self) -> Address<N> {
        // Compute pk_prf := G^sk_prf.
        let pk_prf = N::g_scalar_multiply(&self.sk_prf);
        // Compute the address := pk_sig + pr_sig + pk_prf.
        Address::new(self.pk_sig + self.pr_sig + pk_prf)
    }
}

#[cfg(test)]
mod tests {
    use super::*;
    use snarkvm_console_network::Testnet3;

    type CurrentNetwork = Testnet3;

    const ITERATIONS: u64 = 1000;

    #[test]
    fn test_try_from() -> Result<()> {
        let mut rng = TestRng::default();

        for _ in 0..ITERATIONS {
            // Sample a new compute key and address.
            let private_key = PrivateKey::<CurrentNetwork>::new(&mut rng)?;
            let compute_key = ComputeKey::try_from(private_key)?;
            let address = Address::try_from(private_key)?;

            assert_eq!(address, compute_key.to_address());
        }
        Ok(())
    }
}