demo.py

#!/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
from secp256k1 import PublicKey

# sending to AHXSMB19pWytwJ7vzvCw5aWmd1DUniDKRT
# sending 0.001 GAS
textToSign_00 = bytes("8000000185e7e907cc5c5683e7fc926ba4be613d1810aebe14686b3675ee27d2476e5201000002e72d286979ee6cb1b7e65dfddfb2e384100b8d148e7758de42e4168b71792c60a08601000000000013354f4f5d3f989a221c794271e0bb2471c2735ee72d286979ee6cb1b7e65dfddfb2e384100b8d148e7758de42e4168b71792c60e23f01000000000013354f4f5d3f989a221c794271e0bb2471c2735e".decode('hex'))
# sending 1 NEO
textToSign_01 = bytes("800000018d121f4bc2bf104e547e85d680780fe629c2b3ce89ac73e0ff02feb572bb98e00000019b7cffdaa674beae0f930ebe6085af9093e5fe56b34a5c220ccdcf6efc336fc500e1f5050000000013354f4f5d3f989a221c794271e0bb2471c2735e".decode('hex'))
# claiming GAS
textToSign_02 = bytes("0200048d121f4bc2bf104e547e85d680780fe629c2b3ce89ac73e0ff02feb572bb98e00000e47d4e3d0563a53232466fa7752b28db6c0485ee79e57dacb2646418f4e7ffd400002101dd269ec13b66360b29eb6ac78ba44b772b2b6369b7dd5ff8dcd5dd1aafa00000a5c04ecb7ff482474062fe0cbe030e653c77d28545a38490780f33be7469cdae0000000001e72d286979ee6cb1b7e65dfddfb2e384100b8d148e7758de42e4168b71792c60276501000000000013354f4f5d3f989a221c794271e0bb2471c2735e".decode('hex'))

textToSignArray = [textToSign_00,textToSign_01,textToSign_02]

dongle = getDongle(True)
publicKey = dongle.exchange(bytes("8004000000".decode('hex')))
print "publicKey " + str(publicKey).encode('hex')

for textToSign in textToSignArray:
	try:
		offset = 0
		while offset <> len(textToSign):
			if (len(textToSign) - offset) > 127:
				chunk = textToSign[offset : offset + 127] 
			else:
				chunk = textToSign[offset:]
			if (offset + len(chunk)) == len(textToSign):
				p1 = 0x80
			else:
				p1 = 0x00
			apdu = bytes("8002".decode('hex')) + chr(p1) + chr(0x00) + chr(len(chunk) * 2) + bytes(chunk)
			signature = dongle.exchange(apdu)
			offset += len(chunk)  	
		print "signature " + str(signature).encode('hex')
	except CommException as comm:
		if comm.sw == 0x6985:
			print "Aborted by user"
		else:
			print "Invalid status " + hex(comm.sw)