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/*
*
* Hedera Rust SDK
*
* Copyright (C) 2022 - 2023 Hedera Hashgraph, LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
use std::ffi::c_char;
use libc::size_t;
use super::error::Error;
use super::signer::{
Signer,
Signers,
};
use super::util::{
cstr_from_ptr,
make_bytes2,
};
use crate::transaction::AnyTransaction;
/// Convert the provided transaction to protobuf-encoded bytes.
///
/// # Safety
/// - todo(sr): Missing basically everything
#[no_mangle]
pub unsafe extern "C" fn hedera_transaction_to_bytes(
transaction: *const c_char,
signers: Signers,
buf: *mut *mut u8,
buf_size: *mut size_t,
) -> Error {
let transaction = unsafe { cstr_from_ptr(transaction) };
dbg!(&transaction);
let mut transaction: AnyTransaction =
ffi_try!(serde_json::from_str(&transaction).map_err(crate::Error::request_parse));
dbg!(&transaction);
let signers_2: Vec<_> = signers.as_slice().iter().map(Signer::to_csigner).collect();
drop(signers);
let signers = signers_2;
for signer in signers {
transaction.sign_signer(crate::signer::AnySigner::C(signer));
}
let bytes = ffi_try!(transaction.to_bytes());
unsafe { make_bytes2(bytes, buf, buf_size) }
Error::Ok
}