mirror of
https://github.com/trezor/trezor-firmware.git
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85 lines
3.9 KiB
C
85 lines
3.9 KiB
C
/*
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* This file is part of the TREZOR project.
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*
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* Copyright (C) 2014 Pavol Rusnak <stick@satoshilabs.com>
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This library 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <string.h>
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#include "coins.h"
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#include "address.h"
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#include "ecdsa.h"
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#include "base58.h"
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// filled CoinType Protobuf structure defined in https://github.com/trezor/trezor-common/blob/master/protob/types.proto#L133
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// address types > 0xFF represent a two-byte prefix in big-endian order
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const CoinType coins[COINS_COUNT] = {
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{true, "Bitcoin", true, " BTC", true, 0, true, 500000, true, 5, true, "\x18" "Bitcoin Signed Message:\n", true, 0x0488b21e, true, 0x0488ade4, true, true, false, 0, },
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{true, "Testnet", true, " TEST", true, 111, true, 10000000, true, 196, true, "\x18" "Bitcoin Signed Message:\n", true, 0x043587cf, true, 0x04358394, true, true, false, 0, },
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{true, "Bcash", true, " BCH", true, 0, true, 500000, true, 5, true, "\x18" "Bitcoin Signed Message:\n", true, 0x0488b21e, true, 0x0488ade4, true, false, true, 0, },
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{true, "Namecoin", true, " NMC", true, 52, true, 10000000, true, 5, true, "\x19" "Namecoin Signed Message:\n", true, 0x019da462, true, 0x019d9cfe, true, false, false, 0, },
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{true, "Litecoin", true, " LTC", true, 48, true, 40000000, true, 50, true, "\x19" "Litecoin Signed Message:\n", true, 0x019da462, true, 0x019d9cfe, true, true, false, 0, },
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{true, "Dogecoin", true, " DOGE", true, 30, true, 1000000000, true, 22, true, "\x19" "Dogecoin Signed Message:\n", true, 0x02facafd, true, 0x02fac398, true, false, false, 0, },
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{true, "Dash", true, " DASH", true, 76, true, 100000, true, 16, true, "\x19" "DarkCoin Signed Message:\n", true, 0x02fe52cc, true, 0x02fe52f8, true, false, false, 0, },
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{true, "Zcash", true, " ZEC", true, 7352, true, 1000000, true, 7357, true, "\x16" "Zcash Signed Message:\n", true, 0x0488b21e, true, 0x0488ade4, true, false, false, 0, },
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{true, "Zcash Testnet", true, " TAZ", true, 7461, true, 10000000, true, 7354, true, "\x16" "Zcash Signed Message:\n", true, 0x043587cf, true, 0x04358394, true, false, false, 0, },
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};
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const CoinType *coinByName(const char *name)
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{
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if (!name) return 0;
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for (int i = 0; i < COINS_COUNT; i++) {
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if (strcmp(name, coins[i].coin_name) == 0) {
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return &(coins[i]);
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}
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}
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return 0;
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}
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const CoinType *coinByAddressType(uint32_t address_type)
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{
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for (int i = 0; i < COINS_COUNT; i++) {
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if (address_type == coins[i].address_type) {
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return &(coins[i]);
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}
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}
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return 0;
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}
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bool coinExtractAddressType(const CoinType *coin, const char *addr, uint32_t *address_type)
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{
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if (!addr) return false;
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uint8_t addr_raw[MAX_ADDR_RAW_SIZE];
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int len = base58_decode_check(addr, addr_raw, MAX_ADDR_RAW_SIZE);
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if (len >= 21) {
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return coinExtractAddressTypeRaw(coin, addr_raw, address_type);
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}
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return false;
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}
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bool coinExtractAddressTypeRaw(const CoinType *coin, const uint8_t *addr_raw, uint32_t *address_type)
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{
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if (coin->has_address_type && address_check_prefix(addr_raw, coin->address_type)) {
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*address_type = coin->address_type;
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return true;
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}
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if (coin->has_address_type_p2sh && address_check_prefix(addr_raw, coin->address_type_p2sh)) {
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*address_type = coin->address_type_p2sh;
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return true;
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}
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*address_type = 0;
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return false;
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}
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