Add ETC/ETH splitting contract sample

Makefile.chainsplit

@@ -0,0 +1,173 @@
+#*******************************************************************************
+#   Ledger Blue
+#   (c) 2016 Ledger
+#
+#  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.
+#*******************************************************************************
+
+APPNAME = ETC/ETH Split
+TARGET_ID = 0x31100002 #Nano S
+#TARGET_ID = 0x31000002 #Blue
+APP_LOAD_PARAMS=--appFlags 0x40 --path "44'/60'" --path "44'/61'" --curve secp256k1
+
+
+################
+# Default rule #
+################
+
+all: default
+
+# consider every intermediate target as final to avoid deleting intermediate files
+.SECONDARY:
+
+# disable builtin rules that overload the build process (and the debug log !!)
+.SUFFIXES:
+MAKEFLAGS += -r
+
+SHELL =       /bin/bash
+#.ONESHELL:
+
+
+############
+# Platform #
+############
+PROG     := token-chainsplit
+
+CONFIG_PRODUCTIONS := bin/$(PROG)
+
+SOURCE_PATH   := src_chainsplit $(BOLOS_SDK)/src $(dir $(shell find $(BOLOS_SDK)/lib_stusb* | grep "\.c$$")) src_common  
+SOURCE_FILES  := $(foreach path, $(SOURCE_PATH),$(shell find $(path) | grep "\.c$$") )
+INCLUDES_PATH := $(dir $(shell find $(BOLOS_SDK)/lib_stusb* | grep "\.h$$")) include src_chainsplit $(BOLOS_SDK)/include $(BOLOS_SDK)/include/arm src_common 
+
+### platform definitions
+DEFINES := ST31 gcc __IO=volatile
+
+DEFINES   += OS_IO_SEPROXYHAL IO_SEPROXYHAL_BUFFER_SIZE_B=128
+DEFINES   += HAVE_BAGL HAVE_PRINTF 
+DEFINES   += HAVE_IO_USB HAVE_L4_USBLIB IO_USB_MAX_ENDPOINTS=7 IO_HID_EP_LENGTH=64 HAVE_USB_APDU
+
+##############
+# Compiler #
+##############
+GCCPATH   := $(BOLOS_ENV)/gcc-arm-none-eabi-5_3-2016q1/bin/
+CLANGPATH := $(BOLOS_ENV)/clang-arm-fropi/bin
+CC       := $(CLANGPATH)/clang 
+
+CFLAGS   := 
+CFLAGS   += -gdwarf-2  -gstrict-dwarf 
+#CFLAGS   += -O0
+#CFLAGS   += -O0 -g3
+CFLAGS   += -O3 -Os
+CFLAGS   += -mcpu=cortex-m0 -mthumb 
+CFLAGS   += -fno-common -mtune=cortex-m0 -mlittle-endian 
+CFLAGS   += -std=gnu99 -Werror=int-to-pointer-cast -Wall -Wextra #-save-temps
+CFLAGS   += -fdata-sections -ffunction-sections -funsigned-char -fshort-enums 
+CFLAGS   += -mno-unaligned-access 
+CFLAGS   += -Wno-unused-parameter -Wno-duplicate-decl-specifier
+
+CFLAGS   += -fropi --target=armv6m-none-eabi
+#CFLAGS   += -finline-limit-0 -funsigned-bitfields 
+
+AS     := $(GCCPATH)/arm-none-eabi-gcc
+AFLAGS += -ggdb2 -O3 -Os -mcpu=cortex-m0 -fno-common -mtune=cortex-m0
+
+# NOT SUPPORTED BY STM3L152 CFLAGS   += -fpack-struct
+#-pg --coverage
+LD       := $(GCCPATH)/arm-none-eabi-gcc
+LDFLAGS  := 
+LDFLAGS  += -gdwarf-2  -gstrict-dwarf 
+#LDFLAGS  += -O0 -g3
+LDFLAGS  += -O3 -Os
+#LDFLAGS  += -O0
+LDFLAGS  += -Wall 
+LDFLAGS  += -mcpu=cortex-m0 -mthumb 
+LDFLAGS  += -fno-common -ffunction-sections -fdata-sections -fwhole-program -nostartfiles 
+LDFLAGS  += -mno-unaligned-access
+#LDFLAGS  += -nodefaultlibs
+#LDFLAGS  += -nostdlib -nostdinc
+LDFLAGS  += -T$(BOLOS_SDK)/script.ld  -Wl,--gc-sections -Wl,-Map,debug/$(PROG).map,--cref
+LDLIBS   += -Wl,--library-path -Wl,$(GCCPATH)/../lib/armv6-m/
+#LDLIBS   += -Wl,--start-group 
+LDLIBS   += -lm -lgcc -lc 
+#LDLIBS   += -Wl,--end-group
+# -mno-unaligned-access 
+#-pg --coverage
+
+### computed variables
+VPATH := $(dir $(SOURCE_FILES))
+OBJECT_FILES := $(sort $(addprefix obj/, $(addsuffix .o, $(basename $(notdir $(SOURCE_FILES))))))
+DEPEND_FILES := $(sort $(addprefix dep/, $(addsuffix .d, $(basename $(notdir $(SOURCE_FILES))))))
+
+ifeq ($(filter clean,$(MAKECMDGOALS)),)
+-include $(DEPEND_FILES)
+endif
+
+clean:
+	rm -fr obj bin debug dep
+
+prepare:
+	@mkdir -p bin obj debug dep
+
+.SECONDEXPANSION:
+
+# default is not to display make commands
+log = $(if $(strip $(VERBOSE)),$1,@$1)
+
+default: prepare bin/$(PROG)
+
+load:
+	python -m ledgerblue.loadApp --targetId $(TARGET_ID) --fileName bin/$(PROG).hex --appName $(APPNAME) --icon `python $(BOLOS_SDK)/icon.py 16 16 icon.gif hexbitmaponly` $(APP_LOAD_PARAMS)
+
+load_release:
+	python -m ledgerblue.loadApp --targetId $(TARGET_ID) --fileName bin/$(PROG).hex --appName $(APPNAME) --icon `python $(BOLOS_SDK)/icon.py 16 16 icon.gif hexbitmaponly` $(APP_LOAD_PARAMS) --signature 3044022065e5bcf6519ea12ff991e429cc85bf7ecc789bd1a7a141d5e2dc358e5544c6170220726801803361b3296b83a3d14be8afc3374bda215b4dadd3d67bc3518e1f78bc
+
+delete:
+	python -m ledgerblue.deleteApp --targetId $(TARGET_ID) --appName $(APPNAME)
+
+bin/$(PROG): $(OBJECT_FILES) $(BOLOS_SDK)/script.ld
+	@echo "[LINK] 	$@"
+	$(call log,$(call link_cmdline,$(OBJECT_FILES) $(LDLIBS),$@))
+	$(call log,$(GCCPATH)/arm-none-eabi-objcopy -O ihex -S bin/$(PROG) bin/$(PROG).hex)
+	$(call log,mv bin/$(PROG) bin/$(PROG).elf)
+	$(call log,cp bin/$(PROG).elf obj)
+	$(call log,$(GCCPATH)/arm-none-eabi-objdump -S -d bin/$(PROG).elf > debug/$(PROG).asm)
+
+dep/%.d: %.c Makefile.chainsplit
+	@echo "[DEP]    $@"
+	@mkdir -p dep
+	$(call log,$(call dep_cmdline,$(INCLUDES_PATH), $(DEFINES),$<,$@))
+
+obj/%.o: %.c dep/%.d
+	@echo "[CC]	$@"
+	$(call log,$(call cc_cmdline,$(INCLUDES_PATH), $(DEFINES),$<,$@))
+
+obj/%.o: %.s
+	@echo "[CC]	$@"
+	$(call log,$(call as_cmdline,$(INCLUDES_PATH), $(DEFINES),$<,$@))
+
+
+### BEGIN GCC COMPILER RULES
+
+# link_cmdline(objects,dest)		Macro that is used to format arguments for the linker
+link_cmdline = $(LD) $(LDFLAGS) -o $(2) $(1)
+
+# dep_cmdline(include,defines,src($<),dest($@))	Macro that is used to format arguments for the dependency creator
+dep_cmdline = $(CC) -M $(CFLAGS) $(addprefix -D,$(2)) $(addprefix -I,$(1)) $(3) | sed 's/\($*\)\.o[ :]*/obj\/\1.o: /g' | sed -e 's/[:\t ][^ ]\+\.c//g' > dep/$(basename $(notdir $(4))).d 2>/dev/null
+
+# cc_cmdline(include,defines,src,dest)	Macro that is used to format arguments for the compiler
+cc_cmdline = $(CC) -c $(CFLAGS) $(addprefix -D,$(2)) $(addprefix -I,$(1)) -o $(4) $(3)
+
+as_cmdline = $(AS) -c $(AFLAGS) $(addprefix -D,$(2)) $(addprefix -I,$(1)) -o $(4) $(3)
+
+### END GCC COMPILER RULES
+

splitEther.py

@@ -0,0 +1,114 @@
+#!/usr/bin/env python
+"""
+*******************************************************************************
+*   Ledger Blue
+*   (c) 2016 Ledger
+*
+*  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.
+********************************************************************************
+"""
+from ledgerblue.comm import getDongle
+from ledgerblue.commException import CommException
+import argparse
+import struct
+from decimal import Decimal
+from ethereum.transactions import Transaction, UnsignedTransaction
+from rlp import encode
+from rlp.utils import decode_hex, encode_hex, str_to_bytes
+
+from ethereum import utils
+
+SPLIT_CONTRACT_FUNCTION = decode_hex("9c709343")
+SPLIT_CONTRACT_ADDRESS = "5dc8108fc79018113a58328f5283b376b83922ef"
+
+def parse_bip32_path(path):
+	if len(path) == 0:
+		return ""
+	result = ""
+	elements = path.split('/')
+	for pathElement in elements:
+		element = pathElement.split('\'')
+		if len(element) == 1:
+			result = result + struct.pack(">I", int(element[0]))			
+		else:
+			result = result + struct.pack(">I", 0x80000000 | int(element[0]))
+	return result
+
+parser = argparse.ArgumentParser()
+parser.add_argument('--nonce', help="Nonce associated to the account")
+parser.add_argument('--gasprice', help="Network gas price")
+parser.add_argument('--startgas', help="startgas", default='80000')
+parser.add_argument('--amount', help="Amount to send in ether")
+parser.add_argument('--to', help="BIP 32 destination path")
+parser.add_argument('--split-to-eth', help="Split to the ETH chain (default : spit to ETC chain)", action='store_true')
+parser.add_argument('--path', help="BIP 32 path to sign with")
+args = parser.parse_args()
+
+if args.path == None:
+	if args.split_to_eth: #sign from ETC
+		#args.path = "44'/60'/160720'/0'/0"
+		args.path = "44'/60'/0'/0"
+	else: #sign from ETH
+		args.path = "44'/60'/0'/0"
+
+if args.to == None:
+	if args.split_to_eth: #target ETH
+		args.to = "44'/60'/0'/0"
+	else: #target ETC transitional
+		args.to = "44'/60'/160720'/0'/0"
+
+dongle = getDongle(True)
+
+donglePath = parse_bip32_path(args.to)
+apdu = "e0060000".decode('hex') + chr(len(donglePath) + 1) + chr(len(donglePath) / 4) + donglePath
+dongle.exchange(bytes(apdu))
+
+apdu = "e0020000".decode('hex') + chr(len(donglePath) + 1) + chr(len(donglePath) / 4) + donglePath
+result = dongle.exchange(bytes(apdu))
+publicKey = str(result[1 : 1 + result[0]])
+encodedPublicKey = utils.sha3(publicKey[1:])[12:]
+
+txData = SPLIT_CONTRACT_FUNCTION
+txData += "\x00" * 31
+if (args.split_to_eth):
+	txData += "\x01"
+else:
+	txData += "\x00"
+txData += "\x00" * 12
+txData += encodedPublicKey
+
+amount = Decimal(args.amount) * 10**18
+
+tx = Transaction(
+    nonce=int(args.nonce),
+    gasprice=int(args.gasprice),
+    startgas=int(args.startgas),
+    to=decode_hex(SPLIT_CONTRACT_ADDRESS),
+    value=int(amount),
+    data=txData
+)
+
+encodedTx = encode(tx, UnsignedTransaction)
+
+donglePath = parse_bip32_path(args.path)
+apdu = "e0040000".decode('hex') + chr(len(donglePath) + 1 + len(encodedTx)) + chr(len(donglePath) / 4) + donglePath + encodedTx
+
+result = dongle.exchange(bytes(apdu))
+
+v = result[0]
+r = int(str(result[1:1 + 32]).encode('hex'), 16)
+s = int(str(result[1 + 32: 1 + 32 + 32]).encode('hex'), 16)
+
+tx = Transaction(tx.nonce, tx.gasprice, tx.startgas, tx.to, tx.value, tx.data, v, r, s)
+
+print "Signed transaction " + encode_hex(encode(tx))