refactor(states): add types for provider state testing

types/provider_state.go

@@ -0,0 +1,14 @@
+package types
+
+// ProviderState Models a provider state coming over the Wire.
+// This is generally provided as a request to an HTTP endpoint (e.g. PUT /state)
+// to configure a state on a Provider.
+type ProviderState struct {
+	Consumer string `json:"consumer"`
+	State    string `json:"state"`
+}
+
+// ProviderStates is mapping of consumers to all known states. This is usually
+// a response from an HTTP endpoint (e.g. GET /states) to find all states a
+// provider has.
+type ProviderStates map[string][]string