Better configurability for consensus storage GC

Add target, minimum retentions and target usage, like the archival
pruner. This allows us to take full advantage of the storage space
if we have it, keeping data around for longer, while still ensuring
we keep it around long *enough* even if we are low on space.

sequencer/api/public-env-vars.toml

@@ -60,7 +60,9 @@ variables = [
     "ESPRESSO_SEQUENCER_CATCHUP_MAX_RETRY_DELAY",
     "ESPRESSO_SEQUENCER_CDN_ENDPOINT",
     "ESPRESSO_SEQUENCER_CHUNK_FETCH_DELAY",
-    "ESPRESSO_SEQUENCER_CONSENSUS_VIEW_RETENTION",
+    "ESPRESSO_SEQUENCER_CONSENSUS_STORAGE_MINIMUM_RETENTION",
+    "ESPRESSO_SEQUENCER_CONSENSUS_STORAGE_TARGET_RETENTION",
+    "ESPRESSO_SEQUENCER_CONSENSUS_STORAGE_TARGET_USAGE",
     "ESPRESSO_SEQUENCER_FETCH_RATE_LIMIT",
     "ESPRESSO_SEQUENCER_HOTSHOT_ADDRESS",
     "ESPRESSO_SEQUENCER_HOTSHOT_EVENT_STREAMING_API_PORT",

sequencer/src/api/sql.rs

@@ -53,7 +53,7 @@ impl SequencerDataSource for DataSource {
         let fetch_limit = opt.fetch_rate_limit;
         let active_fetch_delay = opt.active_fetch_delay;
         let chunk_fetch_delay = opt.chunk_fetch_delay;
-        let mut cfg = Config::try_from(opt)?;
+        let mut cfg = Config::try_from(&opt)?;
 
         if reset {
             cfg = cfg.reset_schema();