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core, eth/downloader: fix chain sync eta

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This commit is contained in:
Gary Rong 2025-03-26 14:25:48 +08:00
parent c0bad8184f
commit 15e5c08b85
2 changed files with 20 additions and 5 deletions
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7
core/blockchain_test.go
View file

@ -4339,6 +4339,13 @@ func testInsertChainWithCutoff(t *testing.T, cutoff uint64, ancientLimit uint64)
if header.Hash() != hash {
t.Errorf("block #%d: header mismatch: want: %v, got: %v", num, hash, header.Hash())
}
tail, err := db.Tail()
if err != nil {
t.Fatalf("Failed to get chain tail, %v", err)
}
if tail != cutoffBlock.NumberU64() {
t.Fatalf("Unexpected chain tail, want: %d, got: %d", cutoffBlock.NumberU64(), tail)
}
// Block bodies and receipts before the cutoff should be non-existent
if num < cutoffBlock.NumberU64() {
body := chain.GetBody(hash)

18
eth/downloader/downloader.go
View file

@ -1133,10 +1133,20 @@ func (d *Downloader) reportSnapSyncProgress(force bool) {
header = d.blockchain.CurrentHeader()
block = d.blockchain.CurrentSnapBlock()
)
syncedBlocks := block.Number.Uint64() - d.syncStartBlock
if syncedBlocks == 0 {
// Prevent reporting if nothing has been synchronized yet
if block.Number.Uint64() <= d.syncStartBlock {
return
}
// Prevent reporting noise if the actual chain synchronization (headers
// and bodies) hasn't started yet. Inserting the ancient header chain is
// fast enough and would introduce significant bias if included in the count.
if d.chainCutoffNumber != 0 && block.Number.Uint64() < d.chainCutoffNumber {
return
}
fetchedBlocks := block.Number.Uint64() - d.syncStartBlock
if d.chainCutoffNumber != 0 {
fetchedBlocks = block.Number.Uint64() - d.chainCutoffNumber
}
// Retrieve the current chain head and calculate the ETA
latest, _, _, err := d.skeleton.Bounds()
if err != nil {
@ -1151,9 +1161,7 @@ func (d *Downloader) reportSnapSyncProgress(force bool) {
}
var (
left = latest.Number.Uint64() - block.Number.Uint64()
// TODO(rjl493456442) fix the ETA in the pruning mode.
eta = time.Since(d.syncStartTime) / time.Duration(syncedBlocks) * time.Duration(left)
eta = time.Since(d.syncStartTime) / time.Duration(fetchedBlocks) * time.Duration(left)
progress = fmt.Sprintf("%.2f%%", float64(block.Number.Uint64())*100/float64(latest.Number.Uint64()))
headers = fmt.Sprintf("%v@%v", log.FormatLogfmtUint64(header.Number.Uint64()), common.StorageSize(headerBytes).TerminalString())