funga

Signer and keystore daemon and library for cryptocurrency software development
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commit f507765331469a585e5e712c73aac63670835991
parent 4eb261719862dd9cbd3588116700849d88727a8a
Author: nolash <dev@holbrook.no>
Date:   Tue, 20 Oct 2020 08:37:20 +0200

Use SQLAlchemy

Diffstat:
MCHANGELOG | 2++
Mcrypto_dev_signer/keystore/postgres.py | 50+++++++++++++++++++++++++++++---------------------
Mrequirements.txt | 29++++++++++++++++++++++++++++-
Msetup.py | 3++-
Mtest/test_keystore.py | 14+++++---------
5 files changed, 66 insertions(+), 32 deletions(-)

diff --git a/CHANGELOG b/CHANGELOG @@ -1,3 +1,5 @@ +* 0.3.0 + - Implement SQLAlchemy for db backend * 0.2.6 - Upgrade confini * 0.2.5 diff --git a/crypto_dev_signer/keystore/postgres.py b/crypto_dev_signer/keystore/postgres.py @@ -4,9 +4,11 @@ import base64 # third-party imports from cryptography.fernet import Fernet -import psycopg2 -from psycopg2 import sql -from psycopg2.extensions import make_dsn +#import psycopg2 +#from psycopg2 import sql +#from psycopg2.extensions import make_dsn +from sqlalchemy import create_engine, text +from sqlalchemy.orm import sessionmaker import sha3 # local imports @@ -36,18 +38,28 @@ class ReferenceKeystore(Keystore): ] def __init__(self, dsn, **kwargs): - logg.debug('dsn {}'.format(dsn)) - self.conn = psycopg2.connect(make_dsn(dsn)) - self.cur = self.conn.cursor() - self.cur.execute(self.schema[0]) + logg.debug('starting db session with dsn {}'.format(dsn)) + self.db_engine = create_engine(dsn) + self.db_session = sessionmaker(bind=self.db_engine)() + for s in self.schema: + self.db_session.execute(s) + self.db_session.commit() self.symmetric_key = kwargs.get('symmetric_key') + def __del__(self): + logg.debug('closing db session') + self.db_session.close() + + 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, [ safe_address ] ) - k = self.cur.fetchone()[0] + s = text('SELECT key_ciphertext FROM ethereum WHERE wallet_address_hex = :a') + r = self.db_session.execute(s, { + 'a': safe_address, + }, + ) + k = r.first()[0] return self._decrypt(k, password) @@ -55,11 +67,14 @@ class ReferenceKeystore(Keystore): pubk = keyapi.private_key_to_public_key(pk) address_hex = pubk.to_checksum_address() address_hex_clean = strip_hex_prefix(address_hex) - logg.debug('importing address {}'.format(address_hex_clean)) c = self._encrypt(pk.to_bytes(), password) - s = sql.SQL('INSERT INTO ethereum (wallet_address_hex, key_ciphertext) VALUES (%s, %s)') - self.cur.execute(s, [ address_hex_clean, c.decode('utf-8') ]) - self.conn.commit() + s = text('INSERT INTO ethereum (wallet_address_hex, key_ciphertext) VALUES (:a, :c)') #%s, %s)') + self.db_session.execute(s, { + 'a': address_hex_clean, + 'c': c.decode('utf-8'), + }, + ) + self.db_session.commit() return address_hex @@ -81,10 +96,3 @@ class ReferenceKeystore(Keystore): def _decrypt(self, c, password): f = self._generate_encryption_engine(password) return f.decrypt(c.encode('utf-8')) - - - def __del__(self): - logg.debug('closing database') - self.conn.commit() - self.cur.close() - self.conn.close() diff --git a/requirements.txt b/requirements.txt @@ -1,15 +1,42 @@ +attrs==19.3.0 +base58==2.0.1 +bitarray==1.2.2 +certifi==2020.6.20 cffi==1.14.1 -confini==0.2.5 +chardet==3.0.4 +confini==0.2.1 cryptography==3.0 cytoolz==0.10.1 +eth-abi==2.1.1 +eth-account==0.5.2 eth-hash==0.2.0 +eth-keyfile==0.5.1 eth-keys==0.3.3 +eth-rlp==0.1.2 eth-typing==2.2.1 eth-utils==1.9.0 +hexbytes==0.2.1 +idna==2.10 +ipfshttpclient==0.6.0.post1 json-rpc==1.13.0 +jsonschema==3.2.0 +lru-dict==1.1.6 +multiaddr==0.0.9 +netaddr==0.8.0 +parsimonious==0.8.1 +protobuf==3.12.4 psycopg2==2.8.5 pycparser==2.20 +pycryptodome==3.9.8 +pyrsistent==0.16.0 pysha3==1.0.2 +python-gnupg==0.4.6 +requests==2.24.0 rlp==1.2.0 six==1.15.0 +SQLAlchemy==1.3.19 toolz==0.10.0 +urllib3==1.25.10 +varint==1.0.2 +web3==5.12.0 +websockets==8.1 diff --git a/setup.py b/setup.py @@ -6,7 +6,7 @@ f.close() setup( name="crypto-dev-signer", - version="0.2.6", + version="0.3.0", description="A signer and keystore daemon and library for cryptocurrency software development", author="Louis Holbrook", author_email="dev@holbrook.no", @@ -27,6 +27,7 @@ setup( 'rlp', 'json-rpc', 'confini==0.2.5', + 'sqlalchemy==1.3.19', ], long_description=long_description, long_description_content_type='text/markdown', diff --git a/test/test_keystore.py b/test/test_keystore.py @@ -35,19 +35,15 @@ class TestDatabase(unittest.TestCase): 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.db = ReferenceKeystore('postgres+psycopg2://postgres@localhost:5432/signer_test', **kw) 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() + self.db.db_session.execute('DROP INDEX ethereum_address_idx;') + self.db.db_session.execute('DROP TABLE ethereum;') + self.db.db_session.commit() + def test_get_key(self):