1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-12-22 06:18:07 +00:00
trezor-firmware/firmware/coins.c
2017-05-19 16:54:16 +02:00

84 lines
3.6 KiB
C

/*
* This file is part of the TREZOR project.
*
* 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 <string.h>
#include "coins.h"
#include "address.h"
#include "ecdsa.h"
#include "base58.h"
// filled CoinType Protobuf structure defined in https://github.com/trezor/trezor-common/blob/master/protob/types.proto#L133
// address types > 0xFF represent a two-byte prefix in big-endian order
const CoinType coins[COINS_COUNT] = {
{true, "Bitcoin", true, " BTC", true, 0, true, 500000, true, 5, true, "\x18" "Bitcoin Signed Message:\n", true, 0x0488b21e, true, 0x0488ade4, true, false, },
{true, "Testnet", true, " TEST", true, 111, true, 10000000, true, 196, true, "\x18" "Bitcoin Signed Message:\n", true, 0x043587cf, true, 0x04358394, true, true, },
{true, "Namecoin", true, " NMC", true, 52, true, 10000000, true, 5, true, "\x19" "Namecoin Signed Message:\n", true, 0x019da462, true, 0x019d9cfe, true, false, },
{true, "Litecoin", true, " LTC", true, 48, true, 40000000, true, 50, true, "\x19" "Litecoin Signed Message:\n", true, 0x019da462, true, 0x019d9cfe, true, true, },
{true, "Dogecoin", true, " DOGE", true, 30, true, 1000000000, true, 22, true, "\x19" "Dogecoin Signed Message:\n", true, 0x02facafd, true, 0x02fac398, true, false, },
{true, "Dash", true, " DASH", true, 76, true, 100000, true, 16, true, "\x19" "DarkCoin Signed Message:\n", true, 0x02fe52cc, true, 0x02fe52f8, true, false, },
{true, "Zcash", true, " ZEC", true, 7352, true, 1000000, true, 7357, true, "\x16" "Zcash Signed Message:\n", true, 0x0488b21e, true, 0x0488ade4, true, false, },
{true, "Zcash Testnet", true, " TAZ", true, 7461, true, 10000000, true, 7354, true, "\x16" "Zcash Signed Message:\n", true, 0x043587cf, true, 0x04358394, true, false, },
};
const CoinType *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 CoinType *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;
}
bool coinExtractAddressType(const CoinType *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, addr_raw, MAX_ADDR_RAW_SIZE);
if (len >= 21) {
return coinExtractAddressTypeRaw(coin, addr_raw, address_type);
}
return false;
}
bool coinExtractAddressTypeRaw(const CoinType *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;
}