Add erc165 tests

python/test_requirements.txt

@@ -1,4 +1,5 @@
 eth_tester==0.5.0b3
 py-evm==0.3.0a20
 pytest==6.0.1
-cic-contracts~=0.3.6
+cic-contracts~=0.3.8
+eth-interface~=0.1.2

python/tests/test_cic_burner.py

@@ -9,6 +9,7 @@ from chainlib.eth.block import block_by_number
 from eth_burner.unittest import TestEthBurnerInterface
 from eth_burner.unittest.base import TestEthBurner
 from ge_capped_token.unittest import TestCappedToken
+from cic_contracts import erc165_for
 
 logging.basicConfig(level=logging.DEBUG)
 logg = logging.getLogger()

python/tests/test_erc165.py

@@ -0,0 +1,34 @@
+# standard imports
+import unittest
+import logging
+
+# external imports
+from cic_contracts import erc165_for
+from eth_interface.unittest import TestERC165
+
+# local imports
+from ge_capped_token.unittest import TestCappedToken
+
+logging.basicConfig(level=logging.DEBUG)
+logg = logging.getLogger()
+
+
+class TestEthCappedBurner(TestCappedToken, TestERC165):
+
+    def setUp(self):
+        super(TestEthCappedBurner, self).setUp()
+        for v in [
+#                'Minter',
+                'Burner',
+                'Capped',
+                'Writer',
+                'Expire',
+                'ERC20',
+                ]:
+            ifc = erc165_for(v)
+            logg.debug('add interface check {} -> {}'.format(v, ifc))
+            self.add_interface_check(ifc)
+
+
+if __name__ == '__main__':
+    unittest.main()

solidity/CappedToken.sol

@@ -271,6 +271,9 @@ contract CappedToken {
 		if (_sum == 0x841a0e94) { // Expire
 			return true;
 		}
+		if (_sum == 0x869f7594) { // Capped
+			return true;
+		}
 		return false;
 	}
 }