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/*
* 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];
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 (coin->has_address_type &&
address_check_prefix(addr_raw, coin->address_type)) {
*address_type = coin->address_type;
return true;
}
if (coin->has_address_type_p2sh &&
address_check_prefix(addr_raw, coin->address_type_p2sh)) {
*address_type = coin->address_type_p2sh;
return true;
}
*address_type = 0;
return false;
}
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