solana_secp256k1_program/
lib.rs

1use safecoin_sdk::{
2    instruction::InstructionError, process_instruction::InvokeContext, pubkey::Pubkey,
3};
4
5pub fn process_instruction(
6    _program_id: &Pubkey,
7    _data: &[u8],
8    _invoke_context: &mut dyn InvokeContext,
9) -> Result<(), InstructionError> {
10    // Should be already checked by now.
11    Ok(())
12}
13
14#[cfg(test)]
15pub mod test {
16    use {
17        rand::{thread_rng, Rng},
18        safecoin_sdk::{
19            feature_set,
20            hash::Hash,
21            secp256k1_instruction::{
22                new_secp256k1_instruction, SecpSignatureOffsets, SIGNATURE_OFFSETS_SERIALIZED_SIZE,
23            },
24            signature::{Keypair, Signer},
25            transaction::Transaction,
26        },
27        std::sync::Arc,
28    };
29
30    #[test]
31    fn test_secp256k1() {
32        solana_logger::setup();
33        let offsets = SecpSignatureOffsets::default();
34        assert_eq!(
35            bincode::serialized_size(&offsets).unwrap() as usize,
36            SIGNATURE_OFFSETS_SERIALIZED_SIZE
37        );
38
39        let secp_privkey = libsecp256k1::SecretKey::random(&mut thread_rng());
40        let message_arr = b"hello";
41        let mut secp_instruction = new_secp256k1_instruction(&secp_privkey, message_arr);
42        let mint_keypair = Keypair::new();
43        let mut feature_set = feature_set::FeatureSet::all_enabled();
44        feature_set
45            .active
46            .remove(&feature_set::libsecp256k1_0_5_upgrade_enabled::id());
47        feature_set
48            .inactive
49            .insert(feature_set::libsecp256k1_0_5_upgrade_enabled::id());
50        let feature_set = Arc::new(feature_set);
51
52        let tx = Transaction::new_signed_with_payer(
53            &[secp_instruction.clone()],
54            Some(&mint_keypair.pubkey()),
55            &[&mint_keypair],
56            Hash::default(),
57        );
58
59        assert!(tx.verify_precompiles(&feature_set).is_ok());
60
61        let index = thread_rng().gen_range(0, secp_instruction.data.len());
62        secp_instruction.data[index] = secp_instruction.data[index].wrapping_add(12);
63        let tx = Transaction::new_signed_with_payer(
64            &[secp_instruction],
65            Some(&mint_keypair.pubkey()),
66            &[&mint_keypair],
67            Hash::default(),
68        );
69        assert!(tx.verify_precompiles(&feature_set).is_err());
70    }
71}
solana_secp256k1_program/lib.rs

solana_secp256k1_program/
lib.rs
