1  // Copyright (c) 2019-2025 Alpha-Delta Network Inc.
 2  // This file is part of the alphavm 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  
16  use super::*;
17  
18  impl<N: Network> Literal<N> {
19      /// Returns a randomly-sampled literal of the given literal type.
20      pub fn sample<R: Rng + CryptoRng>(literal_type: LiteralType, rng: &mut R) -> Self {
21          match literal_type {
22              LiteralType::Address => Literal::Address(Address::rand(rng)),
23              LiteralType::Boolean => Literal::Boolean(Boolean::rand(rng)),
24              LiteralType::Field => Literal::Field(Field::rand(rng)),
25              LiteralType::Group => Literal::Group(Group::rand(rng)),
26              LiteralType::I8 => Literal::I8(I8::rand(rng)),
27              LiteralType::I16 => Literal::I16(I16::rand(rng)),
28              LiteralType::I32 => Literal::I32(I32::rand(rng)),
29              LiteralType::I64 => Literal::I64(I64::rand(rng)),
30              LiteralType::I128 => Literal::I128(I128::rand(rng)),
31              LiteralType::U8 => Literal::U8(U8::rand(rng)),
32              LiteralType::U16 => Literal::U16(U16::rand(rng)),
33              LiteralType::U32 => Literal::U32(U32::rand(rng)),
34              LiteralType::U64 => Literal::U64(U64::rand(rng)),
35              LiteralType::U128 => Literal::U128(U128::rand(rng)),
36              LiteralType::Scalar => Literal::Scalar(Scalar::rand(rng)),
37              LiteralType::Signature => Literal::Signature(Box::new(Signature::from((
38                  Scalar::rand(rng),
39                  Scalar::rand(rng),
40                  ComputeKey::try_from(PrivateKey::new(rng).expect("Failed to sample a PrivateKey."))
41                      .expect("ComputeKey::try_from failed."),
42              )))),
43              LiteralType::String => Literal::String(StringType::rand(rng)),
44          }
45      }
46  }