fix MinTimeDurationForBlobRequests for local test

Author: buddh0

cmd/geth/config.go

@@ -227,6 +227,7 @@ func makeFullNode(ctx *cli.Context) (*node.Node, ethapi.Backend) {
 	}
 	if ctx.IsSet(utils.OverrideMinBlocksForBlobRequests.Name) {
 		params.MinBlocksForBlobRequests = ctx.Uint64(utils.OverrideMinBlocksForBlobRequests.Name)
+		params.MinTimeDurationForBlobRequests = uint64(float64(params.MinBlocksForBlobRequests) * 1.5)
 	}
 	if ctx.IsSet(utils.OverrideDefaultExtraReserveForBlobRequests.Name) {
 		params.DefaultExtraReserveForBlobRequests = ctx.Uint64(utils.OverrideDefaultExtraReserveForBlobRequests.Name)

core/data_availability.go

@@ -66,7 +66,7 @@ func IsDataAvailable(chain consensus.ChainHeaderReader, block *types.Block) (err
 		return nil
 	}
 
-	// only required to check within MinBlocksForBlobRequests block's DA
+	// only required to check within MinTimeDurationForBlobRequests seconds's DA
 	highest := chain.ChasingHead()
 	current := chain.CurrentHeader()
 	if highest == nil || highest.Number.Cmp(current.Number) < 0 {

params/protocol_params.go

@@ -194,9 +194,9 @@ const (
 )
 
 var (
-	MinTimeDurationForBlobRequests     uint64 = 524288 * 3                                            // it keeps blob data available for ~18.2 days in local
+	MinTimeDurationForBlobRequests     uint64 = uint64(float64(86400) * 18.2)                         // it keeps blob data available for ~18.2 days in local
 	MinBlocksForBlobRequests           uint64 = uint64(float64(MinTimeDurationForBlobRequests) / 1.5) // ref: https://github.com/bnb-chain/BEPs/blob/master/BEPs/BEP-524.md#421-change-table.
-	DefaultExtraReserveForBlobRequests uint64 = uint64(float64(24*3600) / 1.5)                        // it adds more time for expired blobs for some request cases, like expiry blob when remote peer is syncing, default 1 day.
+	DefaultExtraReserveForBlobRequests uint64 = uint64(float64(86400) / 1.5)                          // it adds more time for expired blobs for some request cases, like expiry blob when remote peer is syncing, default 1 day.
 
 	BreatheBlockInterval uint64 = 86400 // Controls the interval for updateValidatorSetV2