core, ethdb, trie: mode dirty data to clean cache on flush (#19307)

This PR is a more advanced form of the dirty-to-clean cacher (#18995),
where we reuse previous database write batches as datasets to uncache,
saving a dirty-trie-iteration and a dirty-trie-rlp-reencoding per block.

1 files changed, 5 insertions, 0 deletions

diff --git a/core/rawdb/table.go b/core/rawdb/table.go
index 974df681b..e19649dd4 100644
--- a/core/rawdb/table.go
+++ b/core/rawdb/table.go
@@ -148,3 +148,8 @@ func (b *tableBatch) Write() error {
 func (b *tableBatch) Reset() {
 	b.batch.Reset()
 }
+
+// Replay replays the batch contents.
+func (b *tableBatch) Replay(w ethdb.Writer) error {
+	return b.batch.Replay(w)
+}