Add number conversion

tests/__init__.py

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+from .address import AddressTestCase, TestnetAddressTestCase
+from .numbers import NumbersTestCase

tests/address.py

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+import unittest
+
+from monero.address import Address, IntegratedAddress, address
+
+class Tests(object):
+    def test_from_and_to_string(self):
+        a = Address(self.addr)
+        self.assertEqual(str(a), self.addr)
+        self.assertEqual(a.get_spend_key(), self.psk)
+        self.assertEqual(a.get_view_key(), self.pvk)
+
+        ia = IntegratedAddress(self.iaddr)
+        self.assertEqual(ia.get_payment_id(), self.pid)
+        self.assertEqual(str(ia), self.iaddr)
+        self.assertEqual(ia.get_spend_key(), self.psk)
+        self.assertEqual(ia.get_view_key(), self.pvk)
+        self.assertEqual(ia.get_base_address(), a)
+
+    def test_payment_id(self):
+        a = Address(self.addr)
+        ia = a.with_payment_id(self.pid)
+        self.assertIsInstance(ia, IntegratedAddress)
+        self.assertEqual(ia.get_payment_id(), self.pid)
+        self.assertEqual(str(ia), self.iaddr)
+
+    def test_recognition_and_comparisons(self):
+        a = Address(self.addr)
+        a2 = address(self.addr)
+        self.assertIsInstance(a2, Address)
+        self.assertEqual(a, a2)
+        self.assertEqual(a, self.addr)
+        self.assertEqual(self.addr, a)
+        self.assertEqual(a.is_testnet(), self.testnet)
+        self.assertEqual(a2.is_testnet(), self.testnet)
+
+        ia = IntegratedAddress(self.iaddr)
+        ia2 = address(self.iaddr)
+        self.assertIsInstance(ia, IntegratedAddress)
+        self.assertEqual(ia, ia2)
+        self.assertEqual(ia, self.iaddr)
+        self.assertEqual(self.iaddr, ia)
+        self.assertEqual(ia.is_testnet(), self.testnet)
+        self.assertEqual(ia2.is_testnet(), self.testnet)
+        self.assertEqual(ia2.get_base_address(), a)
+
+
+class AddressTestCase(unittest.TestCase, Tests):
+    addr = '43aeKax1ts4BoEbSyzKVbbDRmc8nsnpZLUpQBYvhUxs3KVrodnaFaBEQMDp69u4VaiEG3LSQXA6M61mXPrztCLuh7PFUAmd'
+    psk = '33a7ceb933b793408d49e82c0a34664a4be7117243cb77a64ef280b866d8aa6e'
+    pvk = '96f70d63d9d3558b97a5dd200a170b4f45b3177a274aa90496ea683896ff6438'
+    pid = '4a6f686e47616c74'
+    iaddr = '4DHKLPmWW8aBoEbSyzKVbbDRmc8nsnpZLUpQBYvhUxs3KVrodnaFaBEQMDp69u4VaiEG3LSQXA6M61mXPrztCLuhAR6GpL18QNwE8h3TuF'
+    testnet = False
+
+
+class TestnetAddressTestCase(AddressTestCase, Tests):
+    addr = '9u9j6xG1GNu4ghrdUL35m5PQcJV69YF8731DSTDoh7pDgkBWz2LWNzncq7M5s1ARjPRhvGPX4dBUeC3xNj4wzfrjV6SY3e9'
+    psk = '345b201b8d1ba216074e3c45ca606c85f68563f60d0b8c0bfab5123f80692aed'
+    pvk = '9deb70cc7e1e23d635de2d5a3086a293b4580dc2b9133b4211bc09f22fadc4f9'
+    pid = '4a6f686e47616c74'
+    iaddr = 'A4rQ7m5VseR4ghrdUL35m5PQcJV69YF8731DSTDoh7pDgkBWz2LWNzncq7M5s1ARjPRhvGPX4dBUeC3xNj4wzfrjihS6W83Km1mE7W3kMa'
+    testnet = True

tests/numbers.py

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+from decimal import Decimal
+import unittest
+
+from monero.numbers import to_atomic, from_atomic
+
+class NumbersTestCase(unittest.TestCase):
+    def test_simple_numbers(self):
+        self.assertEqual(to_atomic(Decimal('0')), 0)
+        self.assertEqual(from_atomic(0), Decimal('0'))
+        self.assertEqual(to_atomic(Decimal('1')), 1000000000000)
+        self.assertEqual(from_atomic(1000000000000), Decimal('1'))
+        self.assertEqual(to_atomic(Decimal('0.000000000001')), 1)
+        self.assertEqual(from_atomic(1), Decimal('0.000000000001'))
+
+    def test_rounding(self):
+        self.assertEqual(to_atomic(Decimal('1.0000000000004')), 1000000000000)