add some addresses tests (#142)

tests/test_addresses.py

@@ -0,0 +1,66 @@
+# Copyright (c) 2017, the ElectrumX authors
+#
+# All rights reserved.
+#
+# The MIT License (MIT)
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# and warranty status of this software.
+
+import pytest
+
+from lib.coins import Litecoin, Bitcoin
+from lib.hash import Base58
+
+addresses = [
+    (Bitcoin, "13xDKJbjh4acmLpNVr6Lc9hFcXRr9fyt4x",
+     "206168f5322583ff37f8e55665a4789ae8963532", "b8cb80b26e8932f5b12a7e"),
+    (Bitcoin, "3GxRZWkJufR5XA8hnNJgQ2gkASSheoBcmW",
+     "a773db925b09add367dcc253c1f9bbc1d11ec6fd", "062d8515e50cb92b8a3a73"),
+    (Litecoin, "LNBAaWuZmipg29WXfz5dtAm1pjo8FEH8yg",
+     "206168f5322583ff37f8e55665a4789ae8963532", "b8cb80b26e8932f5b12a7e"),
+    (Litecoin, "3GxRZWkJufR5XA8hnNJgQ2gkASSheoBcmW",
+     "a773db925b09add367dcc253c1f9bbc1d11ec6fd", "062d8515e50cb92b8a3a73"),
+]
+
+
+@pytest.fixture(params=addresses)
+def address(request):
+    return request.param
+
+
+def test_address_to_hashX(address):
+    coin, addr, _, hashX = address
+    assert coin.address_to_hashX(addr).hex() == hashX
+
+
+def test_address_from_hash160(address):
+    coin, addr, hash, _ = address
+
+    raw = Base58.decode_check(addr)
+    verlen = len(raw) - 20
+    assert verlen > 0
+    verbyte, hash_bytes = raw[:verlen], raw[verlen:]
+    if coin.P2PKH_VERBYTE == verbyte:
+        assert coin.P2PKH_address_from_hash160(bytes.fromhex(hash)) == addr
+    elif coin.P2SH_VERBYTE == verbyte:
+        assert coin.P2SH_address_from_hash160(bytes.fromhex(hash)) == addr
+    else:
+        raise Exception("Unknown version byte")