diff --git a/node/consensus/data/main_data_loop.go b/node/consensus/data/main_data_loop.go
index 27ec429..f8f9ba8 100644
--- a/node/consensus/data/main_data_loop.go
+++ b/node/consensus/data/main_data_loop.go
@@ -287,7 +287,6 @@ func (e *DataClockConsensusEngine) rebroadcastLoop() {
 					e.logger.Info("shutting down rebroadcaster")
 					return
 				}
-				i++
 				frame, _, err := e.clockStore.GetDataClockFrame(e.filter, i, false)
 				if err != nil {
 					e.logger.Error("error while iterating", zap.Error(err))
diff --git a/node/consensus/data/peer_messaging.go b/node/consensus/data/peer_messaging.go
index 1f38a5f..4c2c867 100644
--- a/node/consensus/data/peer_messaging.go
+++ b/node/consensus/data/peer_messaging.go
@@ -256,7 +256,9 @@ func (e *DataClockConsensusEngine) handleMint(
 				return nil, errors.Wrap(application.ErrInvalidStateTransition, "handle mint")
 			}
 			if pre.Difficulty == 0 {
-				_, pr, err := e.coinStore.GetPreCoinProofsForOwner(t.Proofs[0][32:])
+				_, pr, err := e.coinStore.GetPreCoinProofsForOwner(
+					altAddr.FillBytes(make([]byte, 32)),
+				)
 				if err != nil && !errors.Is(err, store.ErrNotFound) {
 					return nil, errors.Wrap(application.ErrInvalidStateTransition, "handle mint")
 				}
diff --git a/node/consensus/data/pre_midnight_proof_worker.go b/node/consensus/data/pre_midnight_proof_worker.go
index 9a93177..23e54e7 100644
--- a/node/consensus/data/pre_midnight_proof_worker.go
+++ b/node/consensus/data/pre_midnight_proof_worker.go
@@ -86,6 +86,17 @@ func (e *DataClockConsensusEngine) runPreMidnightProofWorker() {
 
 	resume := make([]byte, 32)
 	for {
+		_, prfs, err := e.coinStore.GetPreCoinProofsForOwner(addr)
+		if err != nil && !errors.Is(err, store.ErrNotFound) {
+			e.logger.Error("error while fetching pre-coin proofs", zap.Error(err))
+			return
+		}
+
+		if len(prfs) != 0 {
+			e.logger.Info("already completed pre-midnight mint")
+			return
+		}
+
 		cc, err := e.pubSub.GetDirectChannel([]byte(peerId), "worker")
 		if err != nil {
 			e.logger.Info(
diff --git a/node/consensus/time/data_time_reel.go b/node/consensus/time/data_time_reel.go
index e2fc197..6e380d1 100644
--- a/node/consensus/time/data_time_reel.go
+++ b/node/consensus/time/data_time_reel.go
@@ -521,10 +521,6 @@ func (d *DataTimeReel) processPending(
 	lastSelector := lastReceived.selector
 
 	for _, f := range frameNumbers {
-		if f < d.head.FrameNumber {
-			delete(d.pending, f)
-		}
-
 		if f == d.head.FrameNumber+1 {
 			nextPending := d.pending[f]
 			// d.logger.Debug(