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use anyhow::Result;
use cxx::{let_cxx_string, UniquePtr};
#[cxx::bridge(namespace = "risc0::rust")]
mod ffi {
unsafe extern "C++" {
include!("risc0/zkvm/prove/method_id.h");
type MethodID;
fn new_method_id(elf_path: &CxxString) -> Result<UniquePtr<MethodID>>;
fn write(&self, filename: &CxxString) -> Result<()>;
}
}
pub struct MethodID {
raw: UniquePtr<ffi::MethodID>,
}
impl MethodID {
pub fn new(elf_path: &str) -> Result<Self> {
let_cxx_string!(elf_path = elf_path);
let raw = ffi::new_method_id(&elf_path)?;
Ok(MethodID { raw })
}
pub fn write(&self, filename: &str) -> Result<()> {
let_cxx_string!(filename = filename);
Ok(self.raw.write(&filename)?)
}
}