add Dealmaking.StartEpochSealingBuffer config

node/config/def.go

@@ -148,6 +148,8 @@ func DefaultStorageMiner() *StorageMiner {
 
 			SimultaneousTransfers: DefaultSimultaneousTransfers,
 
+			StartEpochSealingBuffer: 480, // 480 epochs buffer == 4 hours from adding deal to sector to sector being sealed
+
 			RetrievalPricing: &RetrievalPricing{
 				Strategy: RetrievalPricingDefaultMode,
 				Default: &RetrievalPricingDefault{

node/config/doc_gen.go

@@ -265,6 +265,12 @@ passed to the sealing node by the markets service. 0 is unlimited.`,
 
 			Comment: `The maximum number of parallel online data transfers (storage+retrieval)`,
 		},
+		{
+			Name: "StartEpochSealingBuffer",
+			Type: "uint64",
+
+			Comment: `Minimum start epoch buffer to give time for sealing of sector with deal.`,
+		},
 		{
 			Name: "Filter",
 			Type: "string",

node/config/types.go

@@ -131,6 +131,8 @@ type DealmakingConfig struct {
 	MaxStagingDealsBytes int64
 	// The maximum number of parallel online data transfers (storage+retrieval)
 	SimultaneousTransfers uint64
+	// Minimum start epoch buffer to give time for sealing of sector with deal.
+	StartEpochSealingBuffer uint64
 
 	// A command used for fine-grained evaluation of storage deals
 	// see https://docs.filecoin.io/mine/lotus/miner-configuration/#using-filters-for-fine-grained-storage-and-retrieval-deal-acceptance for more details