feat(aggregator-discovery): add models for aggregator endpoint

Author: jpraynaud

internal/mithril-aggregator-discovery/src/lib.rs

@@ -1,2 +1,4 @@
 #![warn(missing_docs)]
 //! This crate provides mechanisms to discover aggregators in a Mithril network.
+mod model;
+pub use model::{AggregatorEndpoint, MithrilNetwork};

internal/mithril-aggregator-discovery/src/model.rs

@@ -0,0 +1,36 @@
+use mithril_common::StdResult;
+
+/// Representation of a Mithril network
+// TODO: to move to mithril common
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct MithrilNetwork(String);
+
+impl MithrilNetwork {
+    /// Create a new MithrilNetwork instance
+    pub fn new(name: String) -> Self {
+        Self(name)
+    }
+
+    /// Create a dummy MithrilNetwork instance for testing purposes
+    pub fn dummy() -> Self {
+        Self("dummy".to_string())
+    }
+}
+
+/// Representation of an aggregator endpoint
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct AggregatorEndpoint {
+    url: String,
+}
+
+impl AggregatorEndpoint {
+    /// Create a new AggregatorEndpoint instance
+    pub fn new(url: String) -> Self {
+        Self { url }
+    }
+
+    /// Retrieve the capabilities of the aggregator
+    pub fn capabilities(&self) -> StdResult<()> {
+        todo!("Implement capabilities retrieval")
+    }
+}