Managedblockchain member additions (#2983)

* Added some member and proposal functions

* Added additional member and proposal functions

* Fixed admin password return and added update_member along with tests

* Added network removal and member removal proposal

* Fixed failing test

* Fixed Python 2.7 test

tests/test_managedblockchain/helpers.py

@@ -0,0 +1,67 @@
+from __future__ import unicode_literals
+
+
+default_frameworkconfiguration = {"Fabric": {"Edition": "STARTER"}}
+
+default_votingpolicy = {
+    "ApprovalThresholdPolicy": {
+        "ThresholdPercentage": 50,
+        "ProposalDurationInHours": 24,
+        "ThresholdComparator": "GREATER_THAN_OR_EQUAL_TO",
+    }
+}
+
+default_memberconfiguration = {
+    "Name": "testmember1",
+    "Description": "Test Member 1",
+    "FrameworkConfiguration": {
+        "Fabric": {"AdminUsername": "admin", "AdminPassword": "Admin12345"}
+    },
+    "LogPublishingConfiguration": {
+        "Fabric": {"CaLogs": {"Cloudwatch": {"Enabled": False}}}
+    },
+}
+
+default_policy_actions = {"Invitations": [{"Principal": "123456789012"}]}
+
+multiple_policy_actions = {
+    "Invitations": [{"Principal": "123456789012"}, {"Principal": "123456789013"}]
+}
+
+
+def member_id_exist_in_list(members, memberid):
+    memberidxists = False
+    for member in members:
+        if member["Id"] == memberid:
+            memberidxists = True
+            break
+    return memberidxists
+
+
+def create_member_configuration(
+    name, adminuser, adminpass, cloudwatchenabled, description=None
+):
+    d = {
+        "Name": name,
+        "FrameworkConfiguration": {
+            "Fabric": {"AdminUsername": adminuser, "AdminPassword": adminpass}
+        },
+        "LogPublishingConfiguration": {
+            "Fabric": {"CaLogs": {"Cloudwatch": {"Enabled": cloudwatchenabled}}}
+        },
+    }
+
+    if description is not None:
+        d["Description"] = description
+
+    return d
+
+
+def select_invitation_id_for_network(invitations, networkid, status=None):
+    # Get invitations based on network and maybe status
+    invitationsfornetwork = []
+    for invitation in invitations:
+        if invitation["NetworkSummary"]["Id"] == networkid:
+            if status is None or invitation["Status"] == status:
+                invitationsfornetwork.append(invitation["InvitationId"])
+    return invitationsfornetwork