HeaderChain.deleteTd¶

	Source (upstream pre-purge)	Current
File	`core/headerchain.go`	`headerchain_pow.go`
Symbol	`lines 648-648`	`HeaderChain.deleteTd`
Ref	`f4d53133f~1`	`etc/v1.17.3-full-node`

Extracted from inline logic in SetHead; wraps single rawdb.DeleteTd call

Diff — vs pre-nuke original (reimplemented)¶

--- a/core/headerchain.go
+++ b/core/headerchain_pow.go
@@ -1 +1,4 @@
+// deleteTd removes TD from the database.
+func (hc *HeaderChain) deleteTd(batch ethdb.KeyValueWriter, hash common.Hash, num uint64) {
                rawdb.DeleteTd(batch, hash, num)
+}

← Total Difficulty (TD)