fix: itest: fix wdpost proving epoch calculation

Fixes: #12091

itests/kit/blockminer.go

@@ -100,6 +100,7 @@ func newPartitionTracker(ctx context.Context, t *testing.T, client v1api.FullNod
 
 	parts, err := client.StateMinerPartitions(ctx, minerAddr, dlIdx, types.EmptyTSK)
 	require.NoError(t, err)
+
 	return &partitionTracker{
 		minerAddr:  minerAddr,
 		partitions: parts,
@@ -245,7 +246,9 @@ func (bm *BlockMiner) MineBlocksMustPost(ctx context.Context, blocktime time.Dur
 				dlinfo, err := bm.miner.FullNode.StateMinerProvingDeadline(ctx, minerAddr, ts.Key())
 				require.NoError(bm.t, err)
 				require.NotNil(bm.t, dlinfo, "no deadline info for miner %s", minerAddr)
-				impendingDeadlines = append(impendingDeadlines, minerDeadline{addr: minerAddr, deadline: *dlinfo})
+				if dlinfo.Open < dlinfo.CurrentEpoch {
+					impendingDeadlines = append(impendingDeadlines, minerDeadline{addr: minerAddr, deadline: *dlinfo})
+				} // else this is probably a new miner, not starting in this proving period
 			}
 			bm.postWatchMinersLk.Unlock()
 			impendingDeadlines = impendingDeadlines.FilterByLast(ts.Height() + 5 + abi.ChainEpoch(nulls))

itests/kit/node_unmanaged.go

@@ -551,6 +551,9 @@ func (tm *TestUnmanagedMiner) wdPostLoop(ctx context.Context, sectorNumber abi.S
 
 			err = tm.submitWindowPost(ctx, sectorNumber, sealedCid, sealedPath, cacheDir)
 			writeRespF(err) // send an error, or first post, or nothing if no error and this isn't the first post
+			if err != nil {
+				return
+			}
 			postCount++
 			tm.t.Logf("Sector %d: WindowPoSt #%d submitted", sectorNumber, postCount)
 		}
@@ -772,14 +775,6 @@ func (tm *TestUnmanagedMiner) calculateNextPostEpoch(
 		return 0, 0, fmt.Errorf("failed to get chain head: %w", err)
 	}
 
-	// Fetch the sector partition for the given sector number
-	sp, err := tm.FullNode.StateSectorPartition(ctx, tm.ActorAddr, sectorNumber, head.Key())
-	if err != nil {
-		return 0, 0, fmt.Errorf("failed to get sector partition: %w", err)
-	}
-
-	tm.t.Logf("Miner %s: WindowPoST(%d): SectorPartition: %+v", tm.ActorAddr, sectorNumber, sp)
-
 	// Obtain the proving deadline information for the miner
 	di, err := tm.FullNode.StateMinerProvingDeadline(ctx, tm.ActorAddr, head.Key())
 	if err != nil {
@@ -788,6 +783,26 @@ func (tm *TestUnmanagedMiner) calculateNextPostEpoch(
 
 	tm.t.Logf("Miner %s: WindowPoST(%d): ProvingDeadline: %+v", tm.ActorAddr, sectorNumber, di)
 
+	if di.Open > di.CurrentEpoch {
+		tm.t.Logf("Miner %s: WindowPoST(%d): Waiting for proving period to start...", tm.ActorAddr, sectorNumber)
+		// special case, first sector onboarded, cron hasn't run deadline tick yet, wait one challenge window
+		// and we'll get a cleaner dline.Info
+		_ = tm.FullNode.WaitTillChain(ctx, HeightAtLeast(di.CurrentEpoch+di.WPoStChallengeWindow))
+		di, err = tm.FullNode.StateMinerProvingDeadline(ctx, tm.ActorAddr, head.Key())
+		if err != nil {
+			return 0, 0, fmt.Errorf("failed to get proving deadline: %w", err)
+		}
+		tm.t.Logf("Miner %s: WindowPoST(%d): ProvingDeadline: %+v", tm.ActorAddr, sectorNumber, di)
+	}
+
+	// Fetch the sector partition for the given sector number
+	sp, err := tm.FullNode.StateSectorPartition(ctx, tm.ActorAddr, sectorNumber, head.Key())
+	if err != nil {
+		return 0, 0, fmt.Errorf("failed to get sector partition: %w", err)
+	}
+
+	tm.t.Logf("Miner %s: WindowPoST(%d): SectorPartition: %+v", tm.ActorAddr, sectorNumber, sp)
+
 	// Calculate the start of the period, adjusting if the current deadline has passed
 	periodStart := di.PeriodStart
 	if di.PeriodStart < di.CurrentEpoch && sp.Deadline <= di.Index {
@@ -796,7 +811,7 @@ func (tm *TestUnmanagedMiner) calculateNextPostEpoch(
 	}
 
 	// Calculate the exact epoch when proving should occur
-	provingEpoch := periodStart + (di.WPoStProvingPeriod/abi.ChainEpoch(di.WPoStPeriodDeadlines))*abi.ChainEpoch(sp.Deadline)
+	provingEpoch := periodStart + di.WPoStChallengeWindow*abi.ChainEpoch(sp.Deadline)
 
 	tm.t.Logf("Miner %s: WindowPoST(%d): next ProvingEpoch: %d", tm.ActorAddr, sectorNumber, provingEpoch)