feat: contracts endpoint (#137)

Author: alexbarnsley

client/api/contracts.py

@@ -0,0 +1,10 @@
+from client.resource import Resource
+
+
+class Contracts(Resource):
+
+    def all(self):
+        return self.with_endpoint('api').request_get('contracts')
+
+    def abi(self, name: str, implementation: str):
+        return self.with_endpoint('api').request_get(f'contracts/{name}/{implementation}/abi')

client/client.py

@@ -1,4 +1,5 @@
 from typing import Union
+from client.api.contracts import Contracts
 from client.connection import ClientHosts, Connection
 from client.api.api_nodes import ApiNodes
 from client.api.blockchain import Blockchain
@@ -54,6 +55,14 @@ def commits(self):
         """
         return Commits(self.connection)
 
+    @property
+    def contracts(self):
+        """
+        :return: contracts API
+        :rtype: client.api.contracts.Contracts
+        """
+        return Contracts(self.connection)
+
     @property
     def evm(self):
         """

tests/api/test_contracts.py

@@ -0,0 +1,30 @@
+import responses
+from client import ArkClient
+
+
+def test_all_calls_correct_url():
+    responses.add(
+        responses.GET,
+        'http://127.0.0.1:4002/api/contracts',
+        json={'success': True},
+        status=200
+    )
+
+    client = ArkClient('http://127.0.0.1:4002/api')
+    client.contracts.all()
+    assert len(responses.calls) == 1
+    assert responses.calls[0].request.url == 'http://127.0.0.1:4002/api/contracts'
+
+
+def test_abi_calls_correct_url():
+    responses.add(
+        responses.GET,
+        'http://127.0.0.1:4002/api/contracts/consensus/some-address/abi',
+        json={'success': True},
+        status=200
+    )
+
+    client = ArkClient('http://127.0.0.1:4002/api')
+    client.contracts.abi('consensus', 'some-address')
+    assert len(responses.calls) == 1
+    assert responses.calls[0].request.url == 'http://127.0.0.1:4002/api/contracts/consensus/some-address/abi'