forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-20 10:52:25 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

core/blockchain: address review concerns

Browse source
This commit is contained in:
Martin Holst Swende 2019-08-20 15:10:19 +02:00
parent 4ed4b9ac32
commit 5a4a65f959
No known key found for this signature in database
GPG key ID: 683B438C05A5DDF0
1 changed files with 6 additions and 5 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
core/blockchain_test.go
View file

@ -2242,12 +2242,15 @@ func BenchmarkBlockChain_1x1000Executions(b *testing.B) {
benchmarkLargeNumberOfValueToNonexisting(b, numTxs, numBlocks, recipientFn, dataFn)
}
// Tests that importing a some old blocks, where the first one is before the
// Tests that importing a some old blocks, where all blocks are before the
// pruning point.
// This internally leads to a sidechain import, since the blocks trigger an
// ErrPrunedAncestor error.
// This may e.g. happen if
// 1. Downloader rollbacks a batch of inserted blocks and exits
// 2. Downloader starts to sync again
// 3. The blocks fetched are all known and canonical blocks
func TestSideImportPrunedBlocks(t *testing.T) {
// Generate a canonical chain to act as the main dataset
engine := ethash.NewFaker()
db := rawdb.NewMemoryDatabase()
@ -2272,15 +2275,13 @@ func TestSideImportPrunedBlocks(t *testing.T) {
if chain.HasBlockAndState(lastPrunedBlock.Hash(), lastPrunedBlock.NumberU64()) {
t.Errorf("Block %d not pruned", lastPrunedBlock.NumberU64())
}
firstNonPrunedBlock := blocks[len(blocks)-TriesInMemory]
// Verify firstNonPrunedBlock is not pruned
if !chain.HasBlockAndState(firstNonPrunedBlock.Hash(), firstNonPrunedBlock.NumberU64()) {
t.Errorf("Block %d pruned", firstNonPrunedBlock.NumberU64())
}
// Now re-import some old blocks
blockToReimport := blocks[5 : len(blocks)-TriesInMemory]
blockToReimport := blocks[5 : 8]
_, err = chain.InsertChain(blockToReimport)
if err != nil {
t.Errorf("Got error, %v", err)