fix: improve discovery error messages

Cargo.toml

@@ -54,7 +54,7 @@ thegraph-core = { version = "0.9.0", features = [
     "attestation",
     "serde",
 ] }
-thegraph-graphql-http = { version = "0.3.1", features = ["reqwest"] }
+thegraph-graphql-http = { version = "0.3.2", features = ["reqwest"] }
 thiserror = "2.0.2"
 tokio = { version = "1.38.0", features = [
     "macros",

src/network/cost_model.rs

@@ -27,7 +27,7 @@ impl CostModelResolver {
         let sources = match self.fetch_cost_model_sources(url, indexings).await {
             Ok(sources) => sources,
             Err(cost_model_err) => {
-                tracing::debug!(%url, %cost_model_err);
+                tracing::debug!(%cost_model_err);
                 return self.cache.lock().clone();
             }
         };
@@ -66,7 +66,7 @@ impl CostModelResolver {
         #[derive(serde::Deserialize)]
         pub struct CostModelSource {
             pub deployment: DeploymentId,
-            pub model: String,
+            pub model: Option<String>,
         }
         let resp = self
             .http
@@ -79,7 +79,7 @@ impl CostModelResolver {
         Ok(resp
             .cost_models
             .into_iter()
-            .map(|CostModelSource { deployment, model }| (deployment, model))
+            .filter_map(|CostModelSource { deployment, model }| Some((deployment, model?)))
             .collect())
     }
 }

src/network/indexing_progress.rs

@@ -66,7 +66,7 @@ async fn send_requests(
             match result {
                 Ok(response) => response,
                 Err(indexing_progress_err) => {
-                    tracing::warn!(%status_url, %indexing_progress_err);
+                    tracing::debug!(%indexing_progress_err);
                     Default::default()
                 }
             }

src/network/poi_filter.rs

@@ -130,7 +130,7 @@ async fn send_requests(
             match result {
                 Ok(response) => response,
                 Err(poi_fetch_err) => {
-                    tracing::warn!(%status_url, %poi_fetch_err);
+                    tracing::debug!(%poi_fetch_err);
                     Default::default()
                 }
             }