Changed get_changes to get_filter_changes, filter now returns ok

lib/exw3.ex

@@ -461,11 +461,11 @@ defmodule ExW3 do
       )
     end
 
-    @spec get_changes(binary(), integer()) :: {:ok, []}
+    @spec get_filter_changes(binary(), integer()) :: {:ok, []}
-    def get_changes(filter_id, seconds \\ 0) do
+    def get_filter_changes(filter_id, seconds \\ 0) do
       GenServer.call(
 	ContractManager,
-	{:get_changes, {filter_id, seconds}}
+	{:get_filter_changes, {filter_id, seconds}}
       )
     end
 
@@ -788,10 +788,10 @@ defmodule ExW3 do
 
       filter_id = ExW3.new_filter(payload)
 
-      {:reply, filter_id, Map.put(state, :filters, Map.put(state[:filters], filter_id, %{contract_name: contract_name, event_name: event_name}))}
+      {:reply, {:ok, filter_id}, Map.put(state, :filters, Map.put(state[:filters], filter_id, %{contract_name: contract_name, event_name: event_name}))}
     end
 
-    def handle_call({:get_changes, {filter_id, seconds}}, _from, state) do
+    def handle_call({:get_filter_changes, {filter_id, seconds}}, _from, state) do
 
       :timer.sleep(1000 * seconds)   
       

test/exw3_test.exs

@@ -202,7 +202,7 @@ defmodule EXW3Test do
 
     # Test non indexed events
 
-    filter_id = ExW3.Contract.filter(:EventTester, "Simple")
+    {:ok, filter_id} = ExW3.Contract.filter(:EventTester, "Simple")
 
     {:ok, _tx_hash} =
       ExW3.Contract.send(
@@ -212,7 +212,7 @@ defmodule EXW3Test do
         %{from: Enum.at(context[:accounts], 0), gas: 30_000}
       )
 
-    {:ok, change_logs} = ExW3.Contract.get_changes(filter_id)
+    {:ok, change_logs} = ExW3.Contract.get_filter_changes(filter_id)
 
 
     event_log = Enum.at(change_logs, 0)
@@ -227,7 +227,7 @@ defmodule EXW3Test do
 
     # Test indexed events
 
-    indexed_filter_id = ExW3.Contract.filter(:EventTester, "SimpleIndex")
+    {:ok, indexed_filter_id} = ExW3.Contract.filter(:EventTester, "SimpleIndex")
 
     {:ok, _tx_hash} =
       ExW3.Contract.send(
@@ -237,7 +237,7 @@ defmodule EXW3Test do
         %{from: Enum.at(context[:accounts], 0), gas: 30_000}
       )
 
-    {:ok, change_logs} = ExW3.Contract.get_changes(indexed_filter_id)
+    {:ok, change_logs} = ExW3.Contract.get_filter_changes(indexed_filter_id)
 
     event_log = Enum.at(change_logs, 0)
     
@@ -251,7 +251,7 @@ defmodule EXW3Test do
 
     # Test Indexing Indexed Events
 
-    indexed_filter_id =
+    {:ok, indexed_filter_id} =
       ExW3.Contract.filter(
         :EventTester,
         "SimpleIndex",
@@ -270,7 +270,7 @@ defmodule EXW3Test do
         %{from: Enum.at(context[:accounts], 0), gas: 30_000}
       )
 
-    {:ok, change_logs} = ExW3.Contract.get_changes(indexed_filter_id)
+    {:ok, change_logs} = ExW3.Contract.get_filter_changes(indexed_filter_id)
 
     event_log = Enum.at(change_logs, 0)
     assert event_log |> is_map
@@ -284,7 +284,7 @@ defmodule EXW3Test do
 
     # Tests filter with map params
 
-    indexed_filter_id =
+    {:ok, indexed_filter_id} =
       ExW3.Contract.filter(
         :EventTester,
         "SimpleIndex",
@@ -302,7 +302,7 @@ defmodule EXW3Test do
       )
 
     # Demonstrating the delay capability
-    {:ok, change_logs} = ExW3.Contract.get_changes(indexed_filter_id, 1)
+    {:ok, change_logs} = ExW3.Contract.get_filter_changes(indexed_filter_id, 1)
 
     event_log = Enum.at(change_logs, 0)
     assert event_log |> is_map