Increase limits to support 5.5 Mio ATXs (#5963)

## Motivation

This increases the limits in wire types to support up to 5.5 Mio ATXs

common/types/activation.go

@@ -370,7 +370,7 @@ func ATXIDsToHashes(ids []ATXID) []Hash32 {
 
 type EpochActiveSet struct {
 	Epoch EpochID
-	Set   []ATXID `scale:"max=4500000"` // to be in line with `EpochData` in fetch/wire_types.go
+	Set   []ATXID `scale:"max=5500000"` // to be in line with `EpochData` in fetch/wire_types.go
 }
 
 var MaxEpochActiveSetSize = scale.MustGetMaxElements[EpochActiveSet]("Set")

common/types/block.go

@@ -77,14 +77,14 @@ type InnerBlock struct {
 	// In this case they will get all 50 available slots in all 4032 layers of the epoch.
 	// Additionally every other identity on the network that successfully published an ATX will get 1 slot.
 	//
-	// If we expect 4.5 Mio ATXs that would be a total of 4.5 Mio + 50 * 4032 = 4 701 600 slots.
+	// If we expect 5.5 Mio ATXs that would be a total of 5.5 Mio + 50 * 4032 = 5 701 600 slots.
 	// Since these are randomly distributed across the epoch, we can expect an average of n * p =
-	// 4 701 600 / 4032 = 1166.1 rewards in a block with a standard deviation of sqrt(n * p * (1 - p)) =
-	// sqrt(3 701 600 * 1/4032 * 4031/4032) = 34.1
+	// 5 701 600 / 4032 = 1414.1 rewards in a block with a standard deviation of sqrt(n * p * (1 - p)) =
+	// sqrt(3 701 600 * 1/4032 * 4031/4032) = 37.6
 	//
-	// This means that we can expect a maximum of 1166.1 + 6*34.1 = 1370.9 rewards per block with
+	// This means that we can expect a maximum of 1414.1 + 6*37.6 = 1639.7 rewards per block with
 	// > 99.9997% probability.
-	Rewards []AnyReward     `scale:"max=1370"`
+	Rewards []AnyReward     `scale:"max=1650"`
 	TxIDs   []TransactionID `scale:"max=100000"`
 }
 

fetch/wire_types.go

@@ -37,7 +37,7 @@ type RequestMessage struct {
 type ResponseMessage struct {
 	Hash types.Hash32
 	// keep in line with limit of Response.Data in `p2p/server/server.go`
-	Data []byte `scale:"max=157286400"` // 150 MiB > 4.5 mio ATX * 32 bytes per ID
+	Data []byte `scale:"max=183500800"` // 175 MiB > 5.5 mio ATX * 32 bytes per ID
 }
 
 // RequestBatch is a batch of requests and a hash of all requests as ID.
@@ -116,7 +116,7 @@ type MeshHashes struct {
 }
 
 type MaliciousIDs struct {
-	NodeIDs []types.NodeID `scale:"max=4500000"` // to be in line with `EpochData.AtxIDs` below
+	NodeIDs []types.NodeID `scale:"max=5500000"` // to be in line with `EpochData.AtxIDs` below
 }
 
 type EpochData struct {
@@ -128,7 +128,7 @@ type EpochData struct {
 	// - the size of `Rewards` in the type `InnerBlock` in common/types/block.go
 	// - the size of `Ballots` in the type `LayerData` below
 	// - the size of `Proposals` in the type `Value` in hare3/types.go
-	AtxIDs []types.ATXID `scale:"max=4500000"`
+	AtxIDs []types.ATXID `scale:"max=5500000"`
 }
 
 // LayerData is the data response for a given layer ID.
@@ -139,14 +139,14 @@ type LayerData struct {
 	// In this case they will get all 50 available slots in all 4032 layers of the epoch.
 	// Additionally every other identity on the network that successfully published an ATX will get 1 slot.
 	//
-	// If we expect 4.5 Mio ATXs that would be a total of 4.5 Mio + 50 * 4032 = 4 701 600 slots.
+	// If we expect 5.5 Mio ATXs that would be a total of 5.5 Mio + 50 * 4032 = 4 701 600 slots.
 	// Since these are randomly distributed across the epoch, we can expect an average of n * p =
-	// 4 701 600 / 4032 = 1166.1 ballots in a layer with a standard deviation of sqrt(n * p * (1 - p)) =
-	// sqrt(3 701 600 * 1/4032 * 4031/4032) = 34.1
+	// 5 701 600 / 4032 = 1414.1 ballots in a layer with a standard deviation of sqrt(n * p * (1 - p)) =
+	// sqrt(3 701 600 * 1/4032 * 4031/4032) = 37.6
 	//
-	// This means that we can expect a maximum of 1166.1 + 6*34.1 = 1370.9 ballots per layer with
+	// This means that we can expect a maximum of 1414.1 + 6*37.6 = 1639.7 ballots per layer with
 	// > 99.9997% probability.
-	Ballots []types.BallotID `scale:"max=1370"`
+	Ballots []types.BallotID `scale:"max=1650"`
 }
 
 type OpinionRequest struct {

hare3/types.go

@@ -82,14 +82,14 @@ type Value struct {
 	// In this case they will get all 50 available slots in all 4032 layers of the epoch.
 	// Additionally every other identity on the network that successfully published an ATX will get 1 slot.
 	//
-	// If we expect 4.5 Mio ATXs that would be a total of 4.5 Mio + 50 * 4032 = 4 701 600 slots.
+	// If we expect 5.5 Mio ATXs that would be a total of 5.5 Mio + 50 * 4032 = 5 701 600 slots.
 	// Since these are randomly distributed across the epoch, we can expect an average of n * p =
-	// 4 701 600 / 4032 = 1166.1 eligibilities in a layer with a standard deviation of sqrt(n * p * (1 - p)) =
-	// sqrt(3 701 600 * 1/4032 * 4031/4032) = 34.1
+	// 5 701 600 / 4032 = 1414.1 eligibilities in a layer with a standard deviation of sqrt(n * p * (1 - p)) =
+	// sqrt(3 701 600 * 1/4032 * 4031/4032) = 37.6
 	//
-	// This means that we can expect a maximum of 1166.1 + 6*34.1 = 1370.9 eligibilities in a layer with
+	// This means that we can expect a maximum of 1414.1 + 6*37.6 = 1639.7 eligibilities in a layer with
 	// > 99.9997% probability.
-	Proposals []types.ProposalID `scale:"max=1370"`
+	Proposals []types.ProposalID `scale:"max=1650"`
 	// Reference is set in messages for commit and notify rounds.
 	Reference *types.Hash32
 }

prune/prune.go

@@ -88,7 +88,7 @@ func (p *Pruner) Prune(current types.LayerID) error {
 		}
 		// current - 1 as activesets will be fetched in hare eligibility oracle
 		// for example if we are in epoch 9, we want to prune 7 and below
-		// as activesets from 8 will be stil be needed at the beginning of epoch 8
+		// as activesets from 8 will be still be needed at the beginning of epoch 8
 		if err := activesets.DeleteBeforeEpoch(p.db, epoch); err != nil {
 			return err
 		}

sql/ballots/ballots.go

@@ -74,7 +74,7 @@ func UpdateBlob(db sql.Executor, bid types.BallotID, blob []byte) error {
 }
 
 // GetBlobSizes returns the sizes of the blobs corresponding to ballots with specified
-// ids. For non-existent balots, the corresponding items are set to -1.
+// ids. For non-existent ballots, the corresponding items are set to -1.
 func GetBlobSizes(db sql.Executor, ids [][]byte) (sizes []int, err error) {
 	return sql.GetBlobSizes(db, "select id, length(ballot) from ballots where id in", ids)
 }