From b6e250303e6eaa5e0d0a3b4d1a217094897de3f7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C5=81ukasz=20Magiera?= <magik6k@gmail.com>
Date: Mon, 22 Jun 2020 10:31:28 +0200
Subject: [PATCH] Handle missing on-chain precommit in WaitSeed

---
 states.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/states.go b/states.go
index 9b0262871..e6f7b20c6 100644
--- a/states.go
+++ b/states.go
@@ -208,6 +208,9 @@ func (m *Sealing) handleWaitSeed(ctx statemachine.Context, sector SectorInfo) er
 	if err != nil {
 		return xerrors.Errorf("getting precommit info: %w", err)
 	}
+	if pci == nil {
+		return ctx.Send(SectorChainPreCommitFailed{error: xerrors.Errorf("precommit info not found on chain")})
+	}
 
 	randHeight := pci.PreCommitEpoch + miner.PreCommitChallengeDelay