mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-21 05:48:23 +00:00
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*
|
|
* This file is part of the Trezor project, https://trezor.io/
|
|
*
|
|
* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
|
|
*
|
|
* This library is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include "coins.h"
|
|
#include <string.h>
|
|
#include "address.h"
|
|
#include "base58.h"
|
|
#include "ecdsa.h"
|
|
|
|
const CoinInfo *coinByName(const char *name) {
|
|
if (!name) return 0;
|
|
for (int i = 0; i < COINS_COUNT; i++) {
|
|
if (strcmp(name, coins[i].coin_name) == 0) {
|
|
return &(coins[i]);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const CoinInfo *coinByAddressType(uint32_t address_type) {
|
|
for (int i = 0; i < COINS_COUNT; i++) {
|
|
if (address_type == coins[i].address_type) {
|
|
return &(coins[i]);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
const CoinInfo *coinBySlip44(uint32_t coin_type) {
|
|
for (int i = 0; i < COINS_COUNT; i++) {
|
|
if (coin_type == coins[i].coin_type) {
|
|
return &(coins[i]);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool coinExtractAddressType(const CoinInfo *coin, const char *addr,
|
|
uint32_t *address_type) {
|
|
if (!addr) return false;
|
|
uint8_t addr_raw[MAX_ADDR_RAW_SIZE] = {0};
|
|
int len = base58_decode_check(addr, coin->curve->hasher_base58, addr_raw,
|
|
MAX_ADDR_RAW_SIZE);
|
|
if (len >= 21) {
|
|
return coinExtractAddressTypeRaw(coin, addr_raw, address_type);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool coinExtractAddressTypeRaw(const CoinInfo *coin, const uint8_t *addr_raw,
|
|
uint32_t *address_type) {
|
|
if (address_check_prefix(addr_raw, coin->address_type)) {
|
|
*address_type = coin->address_type;
|
|
return true;
|
|
}
|
|
if (address_check_prefix(addr_raw, coin->address_type_p2sh)) {
|
|
*address_type = coin->address_type_p2sh;
|
|
return true;
|
|
}
|
|
*address_type = 0;
|
|
return false;
|
|
}
|