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core/rawdb, cmd, ethdb, eth: implement freezer tail deletion (#23954)

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* core/rawdb, cmd, ethdb, eth: implement freezer tail deletion

* core/rawdb: address comments from martin and sina

* core/rawdb: fixes cornercase in tail deletion

* core/rawdb: separate metadata into a standalone file

* core/rawdb: remove unused code

* core/rawdb: add random test

* core/rawdb: polish code

* core/rawdb: fsync meta file before manipulating the index

* core/rawdb: fix typo

* core/rawdb: address comments
This commit is contained in:
rjl493456442
2022-03-10 16:37:23 +08:00
committed by GitHub
parent 8c8a9e5ca1
commit 538a868384
14 changed files with 1102 additions and 132 deletions
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16
core/rawdb/database.go
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@ -99,6 +99,11 @@ func (db *nofreezedb) Ancients() (uint64, error) {
return 0, errNotSupported
}
// Tail returns an error as we don't have a backing chain freezer.
func (db *nofreezedb) Tail() (uint64, error) {
return 0, errNotSupported
}
// AncientSize returns an error as we don't have a backing chain freezer.
func (db *nofreezedb) AncientSize(kind string) (uint64, error) {
return 0, errNotSupported
@ -109,8 +114,13 @@ func (db *nofreezedb) ModifyAncients(func(ethdb.AncientWriteOp) error) (int64, e
return 0, errNotSupported
}
// TruncateAncients returns an error as we don't have a backing chain freezer.
func (db *nofreezedb) TruncateAncients(items uint64) error {
// TruncateHead returns an error as we don't have a backing chain freezer.
func (db *nofreezedb) TruncateHead(items uint64) error {
return errNotSupported
}
// TruncateTail returns an error as we don't have a backing chain freezer.
func (db *nofreezedb) TruncateTail(items uint64) error {
return errNotSupported
}
@ -211,7 +221,7 @@ func NewDatabaseWithFreezer(db ethdb.KeyValueStore, freezer string, namespace st
// Block #1 is still in the database, we're allowed to init a new feezer
}
// Otherwise, the head header is still the genesis, we're allowed to init a new
// feezer.
// freezer.
}
}
// Freezer is consistent with the key-value database, permit combining the two