funga

Signer and keystore daemon and library for cryptocurrency software development
Log | Files | Refs | README | LICENSE

commit d10b992a26f026b4a328ceeeb29237c63065f7ea
parent 11be7b26f44455fb11a25b0ce747de46a5b63daa
Author: nolash <dev@holbrook.no>
Date:   Thu,  6 Aug 2020 11:07:18 +0200

Add readme, changelog...

Diffstat:
ACHANGELOG | 3+++
ALICENSE | 674+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mscripts/server.py | 2+-
Msrc/keystore/__init__.py | 2+-
Msrc/keystore/postgres.py | 22+++++++++++++++++++---
Msrc/signer/defaultsigner.py | 4++--
Msrc/transaction.py | 13+++++++++++--
Dtest/test_database.py | 61-------------------------------------------------------------
Atest/test_keystore.py | 57+++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Mtest/test_sign.py | 31+++++++++++++++++++++----------
10 files changed, 789 insertions(+), 80 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG @@ -0,0 +1,3 @@ +* 0.0.1 + - Introduce signer, transaction, keystore packages + - Add test for keystore and signer diff --git a/LICENSE b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. By contrast, +the GNU General Public License is intended to guarantee your freedom to +share and change all versions of a program--to make sure it remains free +software for all its users. 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But first, please read +<https://www.gnu.org/licenses/why-not-lgpl.html>. diff --git a/scripts/server.py b/scripts/server.py @@ -129,7 +129,7 @@ def init(): 'symmetric_key': secret, } db = ReferenceDatabase('cic_signer', **kw) - signer = ReferenceSigner(db.get) + signer = ReferenceSigner(db) if __name__ == '__main__': diff --git a/src/keystore/__init__.py b/src/keystore/__init__.py @@ -1 +1 @@ -from keystore.postgres import ReferenceDatabase +from keystore.postgres import ReferenceKeystore diff --git a/src/keystore/postgres.py b/src/keystore/postgres.py @@ -10,6 +10,7 @@ from eth_keys.backends import NativeECCBackend import sha3 from common import strip_hex_prefix +from keystore.interface import Keystore keyapi = KeyAPI(NativeECCBackend) @@ -21,10 +22,24 @@ logg = logging.getLogger(__file__) def to_bytes(x): return x.encode('utf-8') - -class ReferenceDatabase: + + + +class ReferenceKeystore(Keystore): + + schema = [ + """CREATE TABLE ethereum ( + id SERIAL NOT NULL PRIMARY KEY, + key_ciphertext VARCHAR(256) NOT NULL, + wallet_address_hex CHAR(40) NOT NULL + ); +""", + """CREATE UNIQUE INDEX ethereum_address_idx ON ethereum ( wallet_address_hex ); +""", + ] + def __init__(self, dbname, **kwargs): self.conn = psycopg2.connect('dbname=' + dbname) self.cur = self.conn.cursor() @@ -32,8 +47,9 @@ class ReferenceDatabase: def get(self, address, password=None): + safe_address = strip_hex_prefix(address) s = sql.SQL('SELECT key_ciphertext FROM ethereum WHERE wallet_address_hex = %s') - self.cur.execute(s, [ address ] ) + self.cur.execute(s, [ safe_address ] ) k = self.cur.fetchone()[0] return self._decrypt(k, password) diff --git a/src/signer/defaultsigner.py b/src/signer/defaultsigner.py @@ -15,7 +15,7 @@ class Signer: self.keyGetter = keyGetter - def signTransaction(self, tx): + def signTransaction(self, tx, password=None): raise NotImplementedError @@ -32,7 +32,7 @@ class ReferenceSigner(Signer): h = sha3.keccak_256() h.update(s) g = h.digest() - k = keys.PrivateKey(self.keyGetter(tx.sender, password)) + k = keys.PrivateKey(self.keyGetter.get(tx.sender, password)) z = keys.ecdsa_sign(message_hash=g, private_key=k) tx.v = (tx.v * 2) + 35 + z[64] tx.r = z[:32] diff --git a/src/transaction.py b/src/transaction.py @@ -8,6 +8,15 @@ from common import strip_hex_prefix logg = logging.getLogger(__name__) class Transaction: + + def rlp_serialize(self): + raise NotImplementedError + + def serialize(self): + raise NotImplementedError + + +class EIP155Transaction: def __init__(self, tx, nonce, chainId=1): @@ -21,8 +30,8 @@ class Transaction: self.value = int(tx['value']) self.data = data self.v = chainId - self.r = 0 - self.s = 0 + self.r = b'' + self.s = b'' self.sender = strip_hex_prefix(tx['from']) diff --git a/test/test_database.py b/test/test_database.py @@ -1,61 +0,0 @@ -#!/usr/bin/python - -import unittest -import logging -import base64 - -import psycopg2 -from psycopg2 import sql -from cryptography.fernet import Fernet, InvalidToken - -from keystore import ReferenceDatabase - -logging.basicConfig(level=logging.DEBUG) -logg = logging.getLogger() - - -class TestDatabase(unittest.TestCase): - - conn = None - cur = None - symkey = None - address_hex = None - db = None - - def setUp(self): - # arbitrary value - symkey_hex = 'E92431CAEE69313A7BE9E443C4ABEED9BF8157E9A13553B4D5D6E7D51B5021D9' - self.symkey = bytes.fromhex(symkey_hex) - self.address_hex = '9FA61f0E52A5C51b43f0d32404625BC436bb7041' - - kw = { - 'symmetric_key': self.symkey, - } - self.db = ReferenceDatabase('signer_test', **kw) - self.db.cur.execute("""CREATE TABLE ethereum ( - id SERIAL NOT NULL PRIMARY KEY, - key_ciphertext VARCHAR(256) NOT NULL, - wallet_address_hex CHAR(40) NOT NULL - ); -""") - self.db.cur.execute("CREATE UNIQUE INDEX ethereum_address_idx ON ethereum ( wallet_address_hex );") - self.db.conn.commit() - self.db.new(self.address_hex, 'foo') - - - def tearDown(self): - self.db.conn = psycopg2.connect('dbname=signer_test') - self.db.cur = self.db.conn.cursor() - self.db.cur.execute('DROP INDEX ethereum_address_idx;') - self.db.cur.execute('DROP TABLE ethereum;') - self.db.conn.commit() - - - def test_get_key(self): - self.db.get(self.address_hex, 'foo') - with self.assertRaises(InvalidToken): - self.db.get(self.address_hex, 'bar') - - -if __name__ == '__main__': - unittest.main() diff --git a/test/test_keystore.py b/test/test_keystore.py @@ -0,0 +1,57 @@ +#!/usr/bin/python + +import unittest +import logging +import base64 + +import psycopg2 +from psycopg2 import sql +from cryptography.fernet import Fernet, InvalidToken + +from keystore import ReferenceKeystore + +logging.basicConfig(level=logging.DEBUG) +logg = logging.getLogger() + + +class TestDatabase(unittest.TestCase): + + conn = None + cur = None + symkey = None + address_hex = None + db = None + + def setUp(self): + # arbitrary value + symkey_hex = 'E92431CAEE69313A7BE9E443C4ABEED9BF8157E9A13553B4D5D6E7D51B5021D9' + self.symkey = bytes.fromhex(symkey_hex) + self.address_hex = '9FA61f0E52A5C51b43f0d32404625BC436bb7041' + + kw = { + 'symmetric_key': self.symkey, + } + self.db = ReferenceKeystore('signer_test', **kw) + for ss in ReferenceKeystore.schema: + self.db.cur.execute(ss) + self.db.conn.commit() + self.address_hex = self.db.new('foo') + + + def tearDown(self): + self.db.conn = psycopg2.connect('dbname=signer_test') + self.db.cur = self.db.conn.cursor() + self.db.cur.execute('DROP INDEX ethereum_address_idx;') + self.db.cur.execute('DROP TABLE ethereum;') + self.db.conn.commit() + + + def test_get_key(self): + logg.debug('getting {}'.format(self.address_hex)) + self.db.get(self.address_hex, 'foo') + with self.assertRaises(InvalidToken): + self.db.get(self.address_hex, 'bar') + + +if __name__ == '__main__': + unittest.main() diff --git a/test/test_sign.py b/test/test_sign.py @@ -6,7 +6,7 @@ import logging from rlp import encode as rlp_encode from signer import ReferenceSigner -from transaction import Transaction +from transaction import EIP155Transaction logging.basicConfig(level=logging.DEBUG) logg = logging.getLogger() @@ -21,14 +21,20 @@ tx = { 'data': "deadbeef", } +class pkGetter: + + def __init__(self, pk): + self.pk = pk + + def get(self, address, password=None): + return self.pk + + class TestSign(unittest.TestCase): pk = None nonce = -1 - - - def getPk(self, address): - return self.pk + pk_getter = None def getNonce(self): @@ -37,8 +43,8 @@ class TestSign(unittest.TestCase): def setUp(self): - #self.pk = b'abcdefghijklmnopqrstuvwxyz012345' #random.sample(range(256), k=32) self.pk = bytes.fromhex('5087503f0a9cc35b38665955eb830c63f778453dd11b8fa5bd04bc41fd2cc6d6') + self.pk_getter = pkGetter(self.pk) def tearDown(self): @@ -46,15 +52,20 @@ class TestSign(unittest.TestCase): + # TODO: verify rlp tx output def test_serialize_transaction(self): - t = Transaction(tx, 0) + t = EIP155Transaction(tx, 0) self.assertRegex(t.__class__.__name__, "Transaction") - logg.debug('{}'.format(rlp_encode(t.serialize()))) + s = t.serialize() + self.assertEqual('{}'.format(s), "{'nonce': '0x0x0', 'gasPrice': '0x0x4a817c800', 'gas': '0x0x55f0', 'to': '0x3535353535353535353535353535353535353535', 'value': '0x0x3e8', 'data': '0xdeadbeef', 'v': '0x0x1', 'r': '0x', 's': '0x'}") + r = t.rlp_serialize() + self.assertEqual(r.hex(), 'ea808504a817c8008255f09435353535353535353535353535353535353535358203e884deadbeef018080') + def test_sign_transaction(self): - t = Transaction(tx, 461, 8995) - s = ReferenceSigner(self.getPk) + t = EIP155Transaction(tx, 461, 8995) + s = ReferenceSigner(self.pk_getter) z = s.signTransaction(t)