d-bis/app-ethereum
4
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Splitting : fix Makefile, add quality icon, ETH->ETC automation through etherscan APIs

Browse Source
This commit is contained in:
BTChip
2016-09-02 10:17:07 +02:00
parent a06b01fee2
commit 2944fea283
3 changed files with 65 additions and 13 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
Makefile.chainsplit
View File

@@ -15,7 +15,7 @@
# limitations under the License.
#*******************************************************************************
APPNAME = ETC/ETH Split
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
@@ -126,10 +126,7 @@ 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
python -m ledgerblue.loadApp --targetId $(TARGET_ID) --fileName bin/$(PROG).hex --appName $(APPNAME) --icon `python $(BOLOS_SDK)/icon.py 16 16 icon_split.gif hexbitmaponly` $(APP_LOAD_PARAMS)
delete:
python -m ledgerblue.deleteApp --targetId $(TARGET_ID) --appName $(APPNAME)

BIN
icon_split.gif Normal file
View File

Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 57 B

71
splitEther.py
View File

@@ -21,6 +21,8 @@ from ledgerblue.comm import getDongle
from ledgerblue.commException import CommException
import argparse
import struct
import requests
import json
from decimal import Decimal
from ethereum.transactions import Transaction, UnsignedTransaction
from rlp import encode
@@ -32,6 +34,17 @@ from ethereum import utils
SPLIT_CONTRACT_FUNCTION = decode_hex("9c709343")
SPLIT_CONTRACT_ADDRESS = "5dc8108fc79018113a58328f5283b376b83922ef"
def rpc_call(http, url, methodDebug):
req = http.get(url)
if req.status_code == 200:
result = json.loads(req.text)
if 'error' in result:
raise Exception("Server error " + methodDebug + " " + result['error']['message'])
return result
else:
raise Exception("Server error - " + methodDebug + " got status " + req.status)
def parse_bip32_path(path):
if len(path) == 0:
return ""
@@ -46,13 +59,15 @@ def parse_bip32_path(path):
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('--nonce', help="Nonce associated to the account (default : query account)")
parser.add_argument('--gasprice', help="Network gas price (default : query network)")
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('--startgas-delta', help="difference applied to startgas if gasprice is automatically fetched", default='1000')
parser.add_argument('--amount', help="Amount to send in ether (default : query amount, use maximum)")
parser.add_argument('--to', help="BIP 32 destination path (default : default ETC 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")
parser.add_argument('--path', help="BIP 32 path to sign with (default : default ETH path)")
parser.add_argument('--broadcast', help="Broadcast generated transaction (default : false)", action='store_true')
args = parser.parse_args()
if args.path == None:
@@ -79,6 +94,43 @@ result = dongle.exchange(bytes(apdu))
publicKey = str(result[1 : 1 + result[0]])
encodedPublicKey = utils.sha3(publicKey[1:])[12:]
if (args.nonce == None) or (args.amount == None):
donglePathFrom = parse_bip32_path(args.path)
apdu = "e0020000".decode('hex') + chr(len(donglePathFrom) + 1) + chr(len(donglePathFrom) / 4) + donglePathFrom
result = dongle.exchange(bytes(apdu))
publicKeyFrom = str(result[1 : 1 + result[0]])
encodedPublicKeyFrom = utils.sha3(publicKeyFrom[1:])[12:]
http = None
if (args.gasprice == None) or (args.nonce == None) or (args.amount == None) or (args.broadcast):
http = requests.session()
if args.gasprice == None:
print "Fetching gas price"
result = rpc_call(http, "https://api.etherscan.io/api?module=proxy&action=eth_gasPrice", "gasPrice")
args.gasprice = int(result['result'], 16)
print "Gas price " + str(args.gasprice)
if args.nonce == None:
print "Fetching nonce"
result = rpc_call(http, "https://api.etherscan.io/api?module=proxy&action=eth_getTransactionCount&address=0x" + encodedPublicKeyFrom.encode('hex'), "getTransactionCount")
args.nonce = int(result['result'], 16)
print "Nonce for 0x" + encodedPublicKeyFrom.encode('hex') + " " + str(args.nonce)
if args.amount == None:
print "Fetching balance"
result = rpc_call(http, "https://api.etherscan.io/api?module=account&action=balance&address=0x" + encodedPublicKeyFrom.encode('hex'), "getBalance")
amount = int(result['result'])
print "Balance for " + encodedPublicKeyFrom.encode('hex') + " " + str(amount)
amount -= (int(args.startgas) - int(args.startgas_delta)) * int(args.gasprice)
if amount < 0:
raise Exception("Remaining amount too small to pay for contract fees")
else:
amount = Decimal(args.amount) * 10**18
print "Amount transferred " + str((Decimal(amount) / 10 ** 18)) + " to " + encodedPublicKey.encode('hex')
txData = SPLIT_CONTRACT_FUNCTION
txData += "\x00" * 31
if (args.split_to_eth):
@@ -88,8 +140,6 @@ else:
txData += "\x00" * 12
txData += encodedPublicKey
amount = Decimal(args.amount) * 10**18
tx = Transaction(
nonce=int(args.nonce),
gasprice=int(args.gasprice),
@@ -111,5 +161,10 @@ 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)
serializedTx = encode(tx)
print "Signed transaction " + encode_hex(encode(tx))
print "Signed transaction " + serializedTx.encode('hex')
if (args.broadcast):
result = rpc_call(http, "https://api.etherscan.io/api?module=proxy&action=eth_sendRawTransaction&hex=0x" + serializedTx.encode('hex'), "sendRawTransaction")
print result