From 390fcd1f019f8895638c0bd439378fdcb82dde5f Mon Sep 17 00:00:00 2001
From: Rod Vagg <rod@vagg.org>
Date: Mon, 29 Jan 2024 15:57:37 +1100
Subject: [PATCH] Convert SectorDealIDs to an alias for Vec<DealID>, removing
 struct

Ref: https://github.com/filecoin-project/FIPs/pull/930
---
 actors/market/src/lib.rs          |  5 ++---
 actors/market/src/state.rs        | 19 +++++++------------
 actors/market/tests/harness.rs    |  2 +-
 integration_tests/src/util/mod.rs |  2 +-
 4 files changed, 11 insertions(+), 17 deletions(-)

diff --git a/actors/market/src/lib.rs b/actors/market/src/lib.rs
index 5517bd0a8..fc1972682 100644
--- a/actors/market/src/lib.rs
+++ b/actors/market/src/lib.rs
@@ -638,8 +638,7 @@ impl Actor {
                     None
                 };
 
-                sectors_deals
-                    .push((sector.sector_number, SectorDealIDs { deals: sector.deal_ids.clone() }));
+                sectors_deals.push((sector.sector_number, sector.deal_ids.clone()));
                 activations.push(SectorDealActivation {
                     nonverified_deal_space,
                     verified_infos,
@@ -753,7 +752,7 @@ impl Actor {
                     ret.accepted = true;
                 }
 
-                sectors_deals.push((sector.sector, SectorDealIDs { deals: sector_deal_ids }));
+                sectors_deals.push((sector.sector, sector_deal_ids));
                 assert_eq!(pieces_ret.len(), sector.added.len(), "mismatched piece returns");
                 sectors_ret.push(ext::miner::SectorReturn { added: pieces_ret });
             }
diff --git a/actors/market/src/state.rs b/actors/market/src/state.rs
index d5db93a5a..4bfece3aa 100644
--- a/actors/market/src/state.rs
+++ b/actors/market/src/state.rs
@@ -83,16 +83,12 @@ pub struct State {
     /// or has data replaced.
     /// Grouping by provider limits the cost of operations in the expected use case
     /// of multiple sectors all belonging to the same provider.
-    /// HAMT[ActorID]HAMT[SectorNumber]SectorDealIDs
+    /// HAMT[ActorID]HAMT[SectorNumber][]DealID
     pub provider_sectors: Cid,
 }
 
 /// IDs of deals associated with a single sector.
-#[derive(Clone, Debug, PartialEq, Eq, Serialize_tuple, Deserialize_tuple)]
-#[serde(transparent)]
-pub struct SectorDealIDs {
-    pub deals: Vec<DealID>,
-}
+pub type SectorDealIDs = Vec<DealID>;
 
 pub type PendingDealAllocationsMap<BS> = Map2<BS, DealID, AllocationID>;
 pub const PENDING_ALLOCATIONS_CONFIG: Config =
@@ -610,10 +606,10 @@ impl State {
                 .get(sector_number)
                 .context_code(ExitCode::USR_ILLEGAL_STATE, "failed to read sector deals")?;
             if let Some(existing_deal_ids) = existing_deal_ids {
-                new_deals.deals.extend(existing_deal_ids.deals.iter());
+                new_deals.extend(existing_deal_ids.iter());
             }
-            new_deals.deals.sort();
-            new_deals.deals.dedup();
+            new_deals.sort();
+            new_deals.dedup();
             sector_deals
                 .set(sector_number, new_deals)
                 .with_context_code(ExitCode::USR_ILLEGAL_STATE, || {
@@ -643,7 +639,7 @@ impl State {
                 .delete(&sector_number)
                 .with_context(|| format!("provider {}", provider))?;
             if let Some(deals) = deals {
-                popped_sector_deals.extend(deals.deals.iter());
+                popped_sector_deals.extend(deals.iter());
                 flush = true;
             }
         }
@@ -687,14 +683,13 @@ impl State {
                     // Loading into a HashSet could be an improvement for large collections of deals
                     // in a single sector being removed at one time.
                     let new_deals = existing_deal_ids
-                        .deals
                         .iter()
                         .filter(|deal_id| !deals_to_remove.contains(*deal_id))
                         .cloned()
                         .collect();
 
                     sector_deals
-                        .set(sector_number, SectorDealIDs { deals: new_deals })
+                        .set(sector_number, new_deals)
                         .with_context_code(ExitCode::USR_ILLEGAL_STATE, || {
                             format!("failed to set sector deals for {} {}", provider, sector_number)
                         })?;
diff --git a/actors/market/tests/harness.rs b/actors/market/tests/harness.rs
index ffd21cb4d..150e2836f 100644
--- a/actors/market/tests/harness.rs
+++ b/actors/market/tests/harness.rs
@@ -530,7 +530,7 @@ pub fn get_sector_deal_ids(
             .flat_map(|sector_number| {
                 let deals: Option<&SectorDealIDs> = sector_deals.get(sector_number).unwrap();
                 match deals {
-                    Some(deals) => deals.deals.clone(),
+                    Some(deals) => deals.clone(),
                     None => vec![],
                 }
             })
diff --git a/integration_tests/src/util/mod.rs b/integration_tests/src/util/mod.rs
index 9f414017d..1646741ac 100644
--- a/integration_tests/src/util/mod.rs
+++ b/integration_tests/src/util/mod.rs
@@ -199,7 +199,7 @@ pub fn market_list_sectors_deals(
     let mut found: HashMap<SectorNumber, Vec<DealID>> = HashMap::new();
     sector_deals
         .for_each(|sno, deal_ids| {
-            found.insert(sno, deal_ids.deals.clone());
+            found.insert(sno, deal_ids.clone());
             Ok(())
         })
         .unwrap();