# ****************************************************************************

# Ledger App for Bitcoin

# (c) 2024 Ledger SAS.

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

# ****************************************************************************

ifeq ($(BOLOS_SDK),)

$(error Environment variable BOLOS_SDK is not set)

endif

include $(BOLOS_SDK)/Makefile.defines

# TODO: Compile with the right path restrictions

#

# The right path restriction would be something like

# --path "*'/0'"

# for mainnet, and

# --path "*'/1'"

# for testnet.

#

# That is, restrict the BIP-44 coin_type, but not the purpose.

# However, such wildcards are not currently supported by the OS.

#

# Note that the app still requires explicit user approval before exporting

# any xpub outside of a small set of allowed standard paths.

# Application allowed derivation curves.

CURVE_APP_LOAD_PARAMS = secp256k1

# Application allowed derivation paths.

PATH_APP_LOAD_PARAMS = ""

# Allowed SLIP21 paths

PATH_SLIP21_APP_LOAD_PARAMS = "LEDGER-Wallet policy"

# Application version

APPVERSION_M = 2

APPVERSION_N = 2

APPVERSION_P = 4

APPVERSION_SUFFIX = # if not empty, appended at the end. Do not add a dash.

ifeq ($(APPVERSION_SUFFIX),)

APPVERSION = "$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)"

else

APPVERSION = "$(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)-$(strip $(APPVERSION_SUFFIX))"

endif

# If set, the app will automatically approve all requests without user interaction. Useful for performance tests.

# It is critical that no such app is ever deployed in production.

AUTOAPPROVE_FOR_PERF_TESTS ?= 0

ifneq ($(AUTOAPPROVE_FOR_PERF_TESTS),0)

DEFINES += HAVE_AUTOAPPROVE_FOR_PERF_TESTS

endif

# Setting to allow building variant applications

VARIANT_PARAM = COIN

VARIANT_VALUES = bitcoin_testnet bitcoin

# simplify for tests

ifndef COIN

COIN=bitcoin_testnet

endif

########################################

# Application custom permissions #

########################################

HAVE_APPLICATION_FLAG_DERIVE_MASTER = 1

HAVE_APPLICATION_FLAG_GLOBAL_PIN = 1

HAVE_APPLICATION_FLAG_BOLOS_SETTINGS = 1

HAVE_APPLICATION_FLAG_LIBRARY = 1

ifeq ($(COIN),bitcoin_testnet)

# Bitcoin testnet, no legacy support

DEFINES += BIP32_PUBKEY_VERSION=0x043587CF

DEFINES += BIP44_COIN_TYPE=1

DEFINES += COIN_P2PKH_VERSION=111

DEFINES += COIN_P2SH_VERSION=196

DEFINES += COIN_NATIVE_SEGWIT_PREFIX=\"tb\"

DEFINES += COIN_COINID_SHORT=\"TEST\"

APPNAME = "Bitcoin Test"

else ifeq ($(COIN),bitcoin)

# the version for performance tests automatically approves all requests

# there is no reason to ever compile the mainnet app with this flag

ifneq ($(AUTOAPPROVE_FOR_PERF_TESTS),0)

$(error Use testnet app for performance tests)

endif

# Bitcoin mainnet, no legacy support

DEFINES += BIP32_PUBKEY_VERSION=0x0488B21E

DEFINES += BIP44_COIN_TYPE=0

DEFINES += COIN_P2PKH_VERSION=0

DEFINES += COIN_P2SH_VERSION=5

DEFINES += COIN_NATIVE_SEGWIT_PREFIX=\"bc\"

DEFINES += COIN_COINID_SHORT=\"BTC\"

APPNAME = "Bitcoin"

else

ifeq ($(filter clean,$(MAKECMDGOALS)),)

$(error Unsupported COIN - use bitcoin_testnet, bitcoin)

endif

endif

ifneq (,$(filter-out clean,$(MAKECMDGOALS)))

ifeq ($(TARGET_NAME),TARGET_NANOS)

$(error This branch is not compatible with the Nano S device. Checkout the 'nanos' branch for the latest code for Nano S.)

endif

endif

# Application icons following guidelines:

# https://developers.ledger.com/docs/embedded-app/design-requirements/#device-icon

ICON_NANOX = icons/nanox_app_bitcoin.gif

ICON_NANOSP = icons/nanox_app_bitcoin.gif

ICON_STAX = icons/stax_app_bitcoin.gif

ICON_FLEX = icons/flex_app_bitcoin.gif

########################################

# Application communication interfaces #

########################################

ENABLE_BLUETOOTH = 1

########################################

# NBGL custom features #

########################################

ENABLE_NBGL_QRCODE = 1

########################################

# Features disablers #

########################################

# Don't use standard app file to avoid conflicts for now

DISABLE_STANDARD_APP_FILES = 1

# Don't use default IO_SEPROXY_BUFFER_SIZE to use another

# value for NANOS for an unknown reason.

DISABLE_DEFAULT_IO_SEPROXY_BUFFER_SIZE = 1

DEFINES += HAVE_BOLOS_APP_STACK_CANARY

DEFINES += IO_SEPROXYHAL_BUFFER_SIZE_B=300

# debugging helper functions and macros

CFLAGS += -include debug-helpers/debug.h

# DEFINES += HAVE_PRINT_STACK_POINTER

ifeq ($(DEBUG),10)

$(warning Using semihosted PRINTF. Only run with speculos!)

DEFINES += HAVE_PRINTF HAVE_SEMIHOSTED_PRINTF PRINTF=semihosted_printf

endif

# Needed to be able to include the definition of G_cx

INCLUDES_PATH += $(BOLOS_SDK)/lib_cxng/src

# Application source files

APP_SOURCE_PATH += src

# Allow usage of function from lib_standard_app/crypto_helpers.c

APP_SOURCE_FILES += ${BOLOS_SDK}/lib_standard_app/crypto_helpers.c

include $(BOLOS_SDK)/Makefile.standard_app

# Makes a detailed report of code and data size in debug/size-report.txt

# More useful for production builds with DEBUG=0

size-report: bin/app.elf

arm-none-eabi-nm --print-size --size-sort --radix=d bin/app.elf >debug/size-report.txt