indy-credx 1.1.1

Verifiable credential issuance and presentation for Hyperledger Indy (https://www.hyperledger.org/projects), which provides a distributed-ledger-based foundation for self-sovereign identity (https://sovrin.org).
Documentation 
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use std::os::raw::c_char;

use ffi_support::rust_string_to_c;

use super::error::{catch_error, ErrorCode};
use crate::services::{types::PresentationRequest, verifier::generate_nonce};

impl_indy_object!(PresentationRequest, "PresentationRequest");
impl_indy_object_from_json!(PresentationRequest, credx_presentation_request_from_json);

#[no_mangle]
pub extern "C" fn credx_generate_nonce(nonce_p: *mut *const c_char) -> ErrorCode {
    catch_error(|| {
        check_useful_c_ptr!(nonce_p);
        let nonce = generate_nonce()?.to_string();
        unsafe { *nonce_p = rust_string_to_c(nonce) };
        Ok(())
    })
}