feat(cast): get logs (#5042)

* feat(cast): get logs

* use into_iter

* ordered topics

* less unwraps

* added tests

* fix: topics are ordered

* reuse topic_filter instead of vecs

* skipped topics

* reworked pretty print

* split build_filter to improve readability

Author: bernard-wagner

cast/src/lib.rs

@@ -773,6 +773,25 @@ where
     ) -> Result<String> {
         Ok(format!("{:?}", self.provider.get_storage_at(from, slot, block).await?))
     }
+
+    pub async fn filter_logs(&self, filter: Filter, to_json: bool) -> Result<String> {
+        let logs = self.provider.get_logs(&filter).await?;
+
+        let res = if to_json {
+            serde_json::to_string(&logs)?
+        } else {
+            let mut s = vec![];
+            for log in logs {
+                let pretty = log
+                    .pretty()
+                    .replacen('\n', "- ", 1) // Remove empty first line
+                    .replace('\n', "\n  "); // Indent
+                s.push(pretty);
+            }
+            s.join("\n")
+        };
+        Ok(res)
+    }
 }
 
 pub struct InterfaceSource {

cli/src/cast.rs

@@ -483,6 +483,7 @@ async fn main() -> eyre::Result<()> {
             "cast",
             &mut std::io::stdout(),
         ),
+        Subcommands::Logs(cmd) => cmd.run().await?,
     };
     Ok(())
 }