Hush lite wallet
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256 lines
7.7 KiB
256 lines
7.7 KiB
#[macro_use]
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extern crate lazy_static;
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use libc::{c_char};
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use std::ffi::{CStr, CString};
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use std::sync::{Mutex, Arc};
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use std::cell::RefCell;
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use std::ptr;
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use silentdragonlitelib::{commands, lightclient::{LightClient, LightClientConfig}};
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// We'll use a MUTEX to store a global lightclient instance,
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// so we don't have to keep creating it. We need to store it here, in rust
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// because we can't return such a complex structure back to C++
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lazy_static! {
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static ref LIGHTCLIENT: Mutex<RefCell<Option<Arc<LightClient>>>> = Mutex::new(RefCell::new(None));
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}
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// Check if there is an existing wallet
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#[no_mangle]
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pub extern fn litelib_wallet_exists(chain_name: *const c_char) -> bool {
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let chain_name_str = unsafe {
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assert!(!chain_name.is_null());
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CStr::from_ptr(chain_name).to_string_lossy().into_owned()
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};
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let config = LightClientConfig::create_unconnected(chain_name_str, None);
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println!("Wallet exists: {}", config.wallet_exists());
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config.wallet_exists()
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}
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//////hash blake3
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#[no_mangle]
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pub extern fn blake3_PW(pw: *const c_char) -> *mut c_char{
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let passwd = unsafe {
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assert!(!pw.is_null());
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CStr::from_ptr(pw).to_string_lossy().into_owned()
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};
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let data = passwd.as_bytes();
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// Hash an input all at once.
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let hash1 = blake3::hash(data).to_hex();
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println!("\nBlake3 Hash: {}", hash1);
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//let sttring = CString::new(hash1).unwrap();
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let e_str = CString::new(format!("{}", hash1)).unwrap();
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return e_str.into_raw();
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}
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/// Create a new wallet and return the seed for the newly created wallet.
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#[no_mangle]
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pub extern fn litelib_initialize_new(dangerous: bool,server: *const c_char) -> *mut c_char {
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let server_str = unsafe {
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assert!(!server.is_null());
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CStr::from_ptr(server).to_string_lossy().into_owned()
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};
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let server = LightClientConfig::get_server_or_default(Some(server_str));
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let (config, latest_block_height) = match LightClientConfig::create(server, dangerous) {
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Ok((c, h)) => (c, h),
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Err(e) => {
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let e_str = CString::new(format!("Error: {}", e)).unwrap();
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return e_str.into_raw();
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}
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};
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let lightclient = match LightClient::new(&config, latest_block_height) {
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Ok(l) => l,
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Err(e) => {
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let e_str = CString::new(format!("Error: {}", e)).unwrap();
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return e_str.into_raw();
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}
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};
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// Initialize logging
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let _ = lightclient.init_logging();
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let seed = match lightclient.do_seed_phrase() {
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Ok(s) => s.dump(),
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Err(e) => {
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let e_str = CString::new(format!("Error: {}", e)).unwrap();
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return e_str.into_raw();
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}
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};
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let lc = Arc::new(lightclient);
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match LightClient::start_mempool_monitor(lc.clone()) {
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Ok(_) => {println!("Starting Mempool")},
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Err(e) => {
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println!("Couldnt start mempool {}", e)
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}
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}
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LIGHTCLIENT.lock().unwrap().replace(Some(lc));
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// Return the wallet's seed
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let s_str = CString::new(seed).unwrap();
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return s_str.into_raw();
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}
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/// Restore a wallet from the seed phrase
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#[no_mangle]
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pub extern "C" fn litelib_initialize_new_from_phrase(dangerous: bool, server: *const c_char,
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seed: *const c_char, birthday: u64, number: u64, overwrite: bool) -> *mut c_char {
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if server.is_null() || seed.is_null() {
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println!("Server or seed is null");
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return ptr::null_mut();
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}
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let server_str = unsafe {
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CStr::from_ptr(server).to_string_lossy().into_owned()
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};
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let seed_str = unsafe {
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CStr::from_ptr(seed).to_string_lossy().into_owned()
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};
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println!("Initializing with server: {}, seed: {}", server_str, seed_str);
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let server = LightClientConfig::get_server_or_default(Some(server_str));
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let (config, _latest_block_height) = match LightClientConfig::create(server, dangerous) {
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Ok((c, h)) => {
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println!("Config created successfully");
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(c, h)
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},
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Err(e) => {
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println!("Error creating config: {}", e);
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let e_str = CString::new(format!("Error: {}", e)).unwrap_or_else(|_| CString::new("Error creating CString").unwrap());
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return e_str.into_raw();
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}
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};
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let lightclient = match LightClient::new_from_phrase(seed_str, &config, birthday, number, overwrite) {
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Ok(l) => {
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println!("LightClient created successfully");
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l
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},
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Err(e) => {
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println!("Error creating LightClient: {}", e);
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let e_str = CString::new(format!("Error: {}", e)).unwrap_or_else(|_| CString::new("Error creating CString").unwrap());
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return e_str.into_raw();
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}
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};
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// Initialize logging
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let _ = lightclient.init_logging();
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let lc = Arc::new(lightclient);
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match LightClient::start_mempool_monitor(lc.clone()) {
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Ok(_) => println!("Starting Mempool"),
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Err(e) => println!("Could not start mempool: {}", e)
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}
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LIGHTCLIENT.lock().unwrap().replace(Some(lc));
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let c_str = CString::new("OK").unwrap_or_else(|_| CString::new("CString creation failed").unwrap());
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return c_str.into_raw();
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}
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// Initialize a new lightclient and store its value
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#[no_mangle]
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pub extern fn litelib_initialize_existing(dangerous: bool, server: *const c_char) -> *mut c_char {
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let server_str = unsafe {
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assert!(!server.is_null());
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CStr::from_ptr(server).to_string_lossy().into_owned()
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};
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let server = LightClientConfig::get_server_or_default(Some(server_str));
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let (config, _latest_block_height) = match LightClientConfig::create(server,dangerous) {
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Ok((c, h)) => (c, h),
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Err(e) => {
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let e_str = CString::new(format!("Error: {}", e)).unwrap();
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return e_str.into_raw();
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}
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};
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let lightclient = match LightClient::read_from_disk(&config) {
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Ok(l) => l,
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Err(e) => {
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let e_str = CString::new(format!("Error: {}", e)).unwrap();
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return e_str.into_raw();
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}
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};
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// Initialize logging
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let _ = lightclient.init_logging();
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let lc = Arc::new(lightclient);
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match LightClient::start_mempool_monitor(lc.clone()) {
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Ok(_) => {println!("Starting Mempool")},
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Err(e) => {
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println!("Couldnt start mempool {}",e)
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}
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}
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LIGHTCLIENT.lock().unwrap().replace(Some(lc));
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let c_str = CString::new("OK").unwrap();
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return c_str.into_raw();
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}
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#[no_mangle]
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pub extern fn litelib_execute(cmd: *const c_char, args: *const c_char) -> *mut c_char {
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let cmd_str = unsafe {
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assert!(!cmd.is_null());
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CStr::from_ptr(cmd).to_string_lossy().into_owned()
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};
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let arg_str = unsafe {
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assert!(!args.is_null());
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CStr::from_ptr(args).to_string_lossy().into_owned()
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};
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let resp: String;
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{
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let lightclient: Arc<LightClient>;
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{
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let lc = LIGHTCLIENT.lock().unwrap();
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if lc.borrow().is_none() {
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let e_str = CString::new("Error: Light Client is not initialized").unwrap();
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return e_str.into_raw();
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}
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lightclient = lc.borrow().as_ref().unwrap().clone();
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};
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let args = if arg_str.is_empty() { vec![] } else { vec![arg_str.as_ref()] };
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resp = commands::do_user_command(&cmd_str, &args, lightclient.as_ref()).clone();
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};
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let c_str = CString::new(resp.as_bytes()).unwrap();
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return c_str.into_raw();
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}
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/**
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* Callers that receive string return values from other functions should call this to return the string
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* back to rust, so it can be freed. Failure to call this function will result in a memory leak
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*/
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#[no_mangle]
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pub extern fn litelib_rust_free_string(s: *mut c_char) {
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unsafe {
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if s.is_null() { return }
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CString::from_raw(s)
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};
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}
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