core/txpool/blobpool: adjust slot size for cell proof transactions

This commit is contained in:
MariusVanDerWijden 2025-06-04 12:18:50 +02:00 committed by lightclient
parent 8deb682a35
commit f246a99698
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GPG key ID: 657913021EF45A6A
3 changed files with 22 additions and 17 deletions

View file

@ -55,6 +55,11 @@ const (
// tiny overflows causing all txs to move a shelf higher, wasting disk space.
txAvgSize = 4 * 1024
// txBlobOverhead is an approximation of the overhead that an additional blob
// has on transaction size. This is added to the slotter to avoid
// tiny overflows causing all txs to move a shelf higher, wasting disk space.
txBlobOverhead = 2048
// txMaxSize is the maximum size a single transaction can have, outside
// the included blobs. Since blob transactions are pulled instead of pushed,
// and only a small metadata is kept in ram, the rest is on disk, there is

View file

@ -27,10 +27,10 @@ package blobpool
// of resources, but it makes stress testing with junk transactions simpler.
func newSlotter(maxBlobsPerTransaction int) func() (uint32, bool) {
slotsize := uint32(txAvgSize)
slotsize -= uint32(blobSize) // underflows, it's ok, will overflow back in the first return
slotsize -= uint32(blobSize) + txBlobOverhead // underflows, it's ok, will overflow back in the first return
return func() (size uint32, done bool) {
slotsize += blobSize
slotsize += blobSize + txBlobOverhead
finished := slotsize > uint32(maxBlobsPerTransaction)*blobSize+txMaxSize
return slotsize, finished

View file

@ -33,21 +33,21 @@ func TestNewSlotter(t *testing.T) {
}
// Compare the database shelves to the expected ones
want := []uint32{
0*blobSize + txAvgSize, // 0 blob + some expected tx infos
1*blobSize + txAvgSize, // 1 blob + some expected tx infos
2*blobSize + txAvgSize, // 2 blob + some expected tx infos (could be fewer blobs and more tx data)
3*blobSize + txAvgSize, // 3 blob + some expected tx infos (could be fewer blobs and more tx data)
4*blobSize + txAvgSize, // 4 blob + some expected tx infos (could be fewer blobs and more tx data)
5*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
6*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
7*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
8*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
9*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
10*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
11*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
12*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
13*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
14*blobSize + txAvgSize, // 1-6 blobs + unexpectedly large tx infos >= 4 blobs + max tx metadata size
0*blobSize + 0*txBlobOverhead + txAvgSize, // 0 blob + some expected tx infos
1*blobSize + 1*txBlobOverhead + txAvgSize, // 1 blob + some expected tx infos
2*blobSize + 2*txBlobOverhead + txAvgSize, // 2 blob + some expected tx infos (could be fewer blobs and more tx data)
3*blobSize + 3*txBlobOverhead + txAvgSize, // 3 blob + some expected tx infos (could be fewer blobs and more tx data)
4*blobSize + 4*txBlobOverhead + txAvgSize, // 4 blob + some expected tx infos (could be fewer blobs and more tx data)
5*blobSize + 5*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
6*blobSize + 6*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
7*blobSize + 7*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
8*blobSize + 8*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
9*blobSize + 9*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
10*blobSize + 10*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
11*blobSize + 11*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
12*blobSize + 12*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
13*blobSize + 13*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos < 4 blobs + max tx metadata size
14*blobSize + 14*txBlobOverhead + txAvgSize, // 1-6 blobs + unexpectedly large tx infos >= 4 blobs + max tx metadata size
}
if len(shelves) != len(want) {
t.Errorf("shelves count mismatch: have %d, want %d", len(shelves), len(want))