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xtruanxtruan
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update naming, adding coin prototyping, adding WIP BIP32 code
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9 files changed

+1236
-6
lines changed

9 files changed

+1236
-6
lines changed

‎application.fam

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App(
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appid="flipbip39",
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name="Flip-BIP39",
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appid="FlipBIP",
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name="BIP39 Tool",
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apptype=FlipperAppType.EXTERNAL,
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entry_point="flipbip39_app",
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cdefines=["APP_FLIPBIP39"],
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cdefines=["APP_FLIPBIP"],
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requires=[
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"gui",
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],

‎coins/coin_info.c

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// This file is automatically generated from coin_info.c.mako
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// DO NOT EDIT
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#include "coins.h"
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#include "../crypto/curves.h"
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#include "../crypto/secp256k1.h"
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const CoinInfo coins[COINS_COUNT] = {
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{
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.coin_name = "Bitcoin",
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.coin_shortcut = "BTC",
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.maxfee_kb = 2000000,
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.signed_message_header = "\x18" "Bitcoin Signed Message:\n",
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.has_segwit = true,
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.has_taproot = true,
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.has_fork_id = false,
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.force_bip143 = false,
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.decred = false,
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.decimals = 8,
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.address_type = 0,
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.address_type_p2sh = 5,
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.xpub_magic = 0x0488b21e,
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.xpub_magic_segwit_p2sh = 0x049d7cb2,
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.xpub_magic_segwit_native = 0x04b24746,
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.xpub_magic_multisig_segwit_p2sh = 0x0295b43f,
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.xpub_magic_multisig_segwit_native = 0x02aa7ed3,
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.fork_id = 0,
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.bech32_prefix = "bc",
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.cashaddr_prefix = NULL,
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.coin_type = (0 | 0x80000000),
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.negative_fee = false,
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.curve_name = SECP256K1_NAME,
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.curve = &secp256k1_info,
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.extra_data = false,
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.timestamp = false,
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.overwintered = false,
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},
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{
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.coin_name = "Regtest",
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.coin_shortcut = "REGTEST",
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.maxfee_kb = 10000000,
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.signed_message_header = "\x18" "Bitcoin Signed Message:\n",
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.has_segwit = true,
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.has_taproot = true,
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.has_fork_id = false,
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.force_bip143 = false,
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.decred = false,
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.decimals = 8,
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.address_type = 111,
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.address_type_p2sh = 196,
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.xpub_magic = 0x043587cf,
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.xpub_magic_segwit_p2sh = 0x044a5262,
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.xpub_magic_segwit_native = 0x045f1cf6,
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.xpub_magic_multisig_segwit_p2sh = 0x024289ef,
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.xpub_magic_multisig_segwit_native = 0x02575483,
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.fork_id = 0,
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.bech32_prefix = "bcrt",
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.cashaddr_prefix = NULL,
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.coin_type = (1 | 0x80000000),
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.negative_fee = false,
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.curve_name = SECP256K1_NAME,
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.curve = &secp256k1_info,
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.extra_data = false,
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.timestamp = false,
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.overwintered = false,
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},
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{
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.coin_name = "Testnet",
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.coin_shortcut = "TEST",
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.maxfee_kb = 10000000,
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.signed_message_header = "\x18" "Bitcoin Signed Message:\n",
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.has_segwit = true,
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.has_taproot = true,
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.has_fork_id = false,
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.force_bip143 = false,
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.decred = false,
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.decimals = 8,
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.address_type = 111,
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.address_type_p2sh = 196,
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.xpub_magic = 0x043587cf,
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.xpub_magic_segwit_p2sh = 0x044a5262,
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.xpub_magic_segwit_native = 0x045f1cf6,
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.xpub_magic_multisig_segwit_p2sh = 0x024289ef,
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.xpub_magic_multisig_segwit_native = 0x02575483,
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.fork_id = 0,
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.bech32_prefix = "tb",
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.cashaddr_prefix = NULL,
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.coin_type = (1 | 0x80000000),
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.negative_fee = false,
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.curve_name = SECP256K1_NAME,
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.curve = &secp256k1_info,
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.extra_data = false,
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.timestamp = false,
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.overwintered = false,
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},
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};
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‎coins/coin_info.h

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// This file is automatically generated from coin_info.h.mako
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// DO NOT EDIT
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#ifndef __COIN_INFO_H__
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#define __COIN_INFO_H__
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#include "coins.h"
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#define COINS_COUNT (3)
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extern const CoinInfo coins[COINS_COUNT];
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#endif

‎coins/coins.c

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/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (C) 2014 Pavol Rusnak <[email protected]>
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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 "coins.h"
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#include <string.h>
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#include "../crypto/address.h"
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#include "../crypto/base58.h"
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#include "../crypto/ecdsa.h"
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const CoinInfo *coinByName(const char *name) {
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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 CoinInfo *coinByAddressType(uint32_t address_type) {
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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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const CoinInfo *coinBySlip44(uint32_t coin_type) {
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if (coin_type == SLIP44_TESTNET) {
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// The slip44 coin type is the same for all testnets, so we return the
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// Bitcoin Testnet.
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return coinByName("Testnet");
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}
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for (int i = 0; i < COINS_COUNT; i++) {
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if (coin_type == coins[i].coin_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 CoinInfo *coin, const char *addr,
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uint32_t *address_type) {
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if (!addr) return false;
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uint8_t addr_raw[MAX_ADDR_RAW_SIZE] = {0};
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int len = base58_decode_check(addr, coin->curve->hasher_base58, addr_raw,
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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 CoinInfo *coin, const uint8_t *addr_raw,
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uint32_t *address_type) {
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if (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 (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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}

‎coins/coins.h

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/*
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* This file is part of the Trezor project, https://trezor.io/
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*
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* Copyright (C) 2014 Pavol Rusnak <[email protected]>
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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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#ifndef __COINS_H__
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#define __COINS_H__
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#include <stdbool.h>
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#include <stdint.h>
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#include "../crypto/bip32.h"
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#include "../crypto/hasher.h"
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typedef struct _CoinInfo {
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const char *coin_name;
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const char *coin_shortcut;
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uint64_t maxfee_kb;
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const char *signed_message_header;
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uint32_t decimals;
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bool has_segwit;
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bool has_taproot;
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bool has_fork_id;
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bool force_bip143;
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bool decred;
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// address types > 0xFF represent a two-byte prefix in big-endian order
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uint32_t address_type;
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uint32_t address_type_p2sh;
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uint32_t xpub_magic;
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uint32_t xpub_magic_segwit_p2sh;
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uint32_t xpub_magic_segwit_native;
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uint32_t xpub_magic_multisig_segwit_p2sh;
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uint32_t xpub_magic_multisig_segwit_native;
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uint32_t fork_id;
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const char *bech32_prefix;
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const char *cashaddr_prefix;
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uint32_t coin_type;
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bool negative_fee;
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const char *curve_name;
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const curve_info *curve;
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bool extra_data;
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bool timestamp;
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bool overwintered;
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} CoinInfo;
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#include "coin_info.h"
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// SLIP-44 hardened coin type for Bitcoin
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#define SLIP44_BITCOIN 0x80000000
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// SLIP-44 hardened coin type for all Testnet coins
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#define SLIP44_TESTNET 0x80000001
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const CoinInfo *coinByName(const char *name);
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const CoinInfo *coinByAddressType(uint32_t address_type);
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const CoinInfo *coinBySlip44(uint32_t coin_type);
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bool coinExtractAddressType(const CoinInfo *coin, const char *addr,
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uint32_t *address_type);
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bool coinExtractAddressTypeRaw(const CoinInfo *coin, const uint8_t *addr_raw,
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uint32_t *address_type);
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#endif

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