32 lines
880 B
Rust
32 lines
880 B
Rust
|
//! @brief Example Rust-based BPF program that performs a ristretto multiply
|
||
|
|
|
||
|
|
pub mod ristretto;
|
||
|
|
|
||
|
|
extern crate solana_sdk;
|
||
|
|
use crate::ristretto::ristretto_mul;
|
||
|
|
use curve25519_dalek::{constants::RISTRETTO_BASEPOINT_POINT, scalar::Scalar};
|
||
|
|
use solana_sdk::{
|
||
|
|
account_info::AccountInfo, entrypoint, entrypoint::ProgramResult, info, pubkey::Pubkey,
|
||
|
|
};
|
||
|
|
|
||
|
|
entrypoint!(process_instruction);
|
||
|
|
fn process_instruction(
|
||
|
|
_program_id: &Pubkey,
|
||
|
|
_accounts: &[AccountInfo],
|
||
|
|
_instruction_data: &[u8],
|
||
|
|
) -> ProgramResult {
|
||
|
|
info!("Ristretto multiply");
|
||
|
|
|
||
|
|
let point = RISTRETTO_BASEPOINT_POINT;
|
||
|
|
let scalar = Scalar::zero();
|
||
|
|
let result = ristretto_mul(&point, &scalar)?;
|
||
|
|
assert_ne!(point, result);
|
||
|
|
|
||
|
|
let point = RISTRETTO_BASEPOINT_POINT;
|
||
|
|
let scalar = Scalar::one();
|
||
|
|
let result = ristretto_mul(&point, &scalar)?;
|
||
|
|
assert_eq!(point, result);
|
||
|
|
|
||
|
|
Ok(())
|
||
|
|
}
|