forked from axiom-team/gecko
236 lines
5.9 KiB
Rust
236 lines
5.9 KiB
Rust
// Copyright (C) 2020 Éloïs SANCHEZ.
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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#![allow(clippy::missing_safety_doc, clippy::not_unsafe_ptr_arg_deref)]
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mod dewif;
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mod mnemonic;
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use allo_isolate::Isolate;
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use dup_crypto::{
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bases::b58::ToBase58,
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dewif::{Currency, DewifReadError, ExpectedCurrency, G1_CURRENCY, G1_TEST_CURRENCY},
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keys::{
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ed25519::KeyPairFromSeed32Generator, KeyPair as _, KeyPairEnum, Signator as _,
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Signature as _,
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},
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mnemonic::{Language, Mnemonic, MnemonicType},
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};
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use ffi_helpers::null_pointer_check;
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use std::{ffi::CStr, io, os::raw};
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use thiserror::Error;
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/// Dubp error
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#[derive(Debug, Error)]
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pub enum DubpError {
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#[error("{0}")]
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DewifReadError(DewifReadError),
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#[error("I/O error: {0}")]
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IoErr(io::Error),
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#[error("fail to generate random bytes")]
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RandErr,
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#[error("Unknown currency name")]
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UnknownCurrencyName,
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#[error("Unknown language")]
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UnknownLanguage,
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#[error("Wrong language")]
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WrongLanguage,
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}
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impl From<io::Error> for DubpError {
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fn from(e: io::Error) -> Self {
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Self::IoErr(e)
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}
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}
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macro_rules! error {
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($result:expr) => {
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error!($result, 0);
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};
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($result:expr, $error:expr) => {
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match $result {
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Ok(value) => value,
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Err(e) => {
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ffi_helpers::update_last_error(e);
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return $error;
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}
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}
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};
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}
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macro_rules! cstr {
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($ptr:expr) => {
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cstr!($ptr, 0);
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};
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($ptr:expr, $error:expr) => {{
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null_pointer_check!($ptr);
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error!(unsafe { CStr::from_ptr($ptr).to_str() }, $error)
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}};
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}
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#[no_mangle]
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pub unsafe extern "C" fn last_error_length() -> i32 {
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ffi_helpers::error_handling::last_error_length()
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}
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#[no_mangle]
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pub unsafe extern "C" fn error_message_utf8(buf: *mut raw::c_char, length: i32) -> i32 {
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ffi_helpers::error_handling::error_message_utf8(buf, length)
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}
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#[no_mangle]
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pub extern "C" fn change_dewif_pin(
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port: i64,
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currency: *const raw::c_char,
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dewif: *const raw::c_char,
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old_pin: *const raw::c_char,
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new_pin: *const raw::c_char,
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) -> i32 {
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let currency = cstr!(currency);
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let dewif = cstr!(dewif);
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let old_pin = cstr!(old_pin);
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let new_pin = cstr!(new_pin);
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Isolate::new(port).post(error!(dewif::change_pin(currency, dewif, old_pin, new_pin)));
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1
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}
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#[no_mangle]
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pub extern "C" fn gen_dewif(
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port: i64,
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currency: *const raw::c_char,
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language: u32,
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mnemonic: *const raw::c_char,
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pin: *const raw::c_char,
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) -> i32 {
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let currency = cstr!(currency);
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let mnemonic = cstr!(mnemonic);
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let pin = cstr!(pin);
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Isolate::new(port).post(error!(dewif::gen_dewif(currency, language, mnemonic, pin)));
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1
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}
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#[no_mangle]
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pub extern "C" fn gen_mnemonic(port: i64, language: u32) -> i32 {
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Isolate::new(port).post(error!(mnemonic::gen_mnemonic(language)));
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1
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}
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#[no_mangle]
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pub extern "C" fn gen_pin6(port: i64) -> i32 {
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Isolate::new(port).post(error!(dewif::gen_pin6()));
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1
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}
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#[no_mangle]
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pub extern "C" fn gen_pin8(port: i64) -> i32 {
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Isolate::new(port).post(error!(dewif::gen_pin8()));
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1
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}
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#[no_mangle]
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pub extern "C" fn gen_pin10(port: i64) -> i32 {
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Isolate::new(port).post(error!(dewif::gen_pin10()));
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1
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}
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#[no_mangle]
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pub extern "C" fn get_dewif_pubkey(
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port: i64,
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currency: *const raw::c_char,
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dewif: *const raw::c_char,
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pin: *const raw::c_char,
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) -> i32 {
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let currency = cstr!(currency);
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let dewif = cstr!(dewif);
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let pin = cstr!(pin);
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Isolate::new(port).post(error!(dewif::get_pubkey(
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currency,
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dewif,
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&pin.to_ascii_uppercase()
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)));
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1
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}
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#[no_mangle]
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pub extern "C" fn mnemonic_to_pubkey(
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port: i64,
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language: u32,
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mnemonic_phrase: *const raw::c_char,
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) -> i32 {
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let mnemonic_phrase = cstr!(mnemonic_phrase);
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Isolate::new(port).post(error!(mnemonic::mnemonic_to_pubkey(
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language,
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mnemonic_phrase
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)));
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1
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}
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#[no_mangle]
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pub extern "C" fn sign(
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port: i64,
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currency: *const raw::c_char,
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dewif: *const raw::c_char,
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pin: *const raw::c_char,
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msg: *const raw::c_char,
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) -> i32 {
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let currency = cstr!(currency);
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let dewif = cstr!(dewif);
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let pin = cstr!(pin);
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let msg = cstr!(msg);
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Isolate::new(port).post(error!(dewif::sign(
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currency,
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dewif,
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&pin.to_ascii_uppercase(),
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msg
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)));
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1
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}
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#[no_mangle]
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pub extern "C" fn sign_several(
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port: i64,
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currency: *const raw::c_char,
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dewif: *const raw::c_char,
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pin: *const raw::c_char,
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msgs_len: usize,
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msgs: *const *const raw::c_char,
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) -> i32 {
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let currency = cstr!(currency);
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let dewif = cstr!(dewif);
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let pin = cstr!(pin);
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let msgs_slice: &[*const raw::c_char] = unsafe { std::slice::from_raw_parts(msgs, msgs_len) };
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let mut vec = Vec::with_capacity(msgs_len);
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for ptr_c_char in msgs_slice {
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vec.push(cstr!(*ptr_c_char));
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}
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Isolate::new(port).post(error!(dewif::sign_several(
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currency,
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dewif,
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&pin.to_ascii_uppercase(),
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&vec
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)));
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1
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}
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fn u32_to_language(i: u32) -> Result<Language, DubpError> {
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match i {
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0 => Ok(Language::English),
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1 => Ok(Language::French),
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_ => Err(DubpError::UnknownLanguage),
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}
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}
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