no MigrateTable

XDCxDAO/interfaces.go

@@ -46,7 +46,6 @@ type XDCXDAO interface {
 	AppendAncient(number uint64, hash, header, body, receipt, td []byte) error
 	TruncateAncients(n uint64) error
 	Sync() error
-	MigrateTable(string, func([]byte) ([]byte, error)) error //type convertLegacyFn = func([]byte) ([]byte, error)
 	NewIterator(prefix []byte, start []byte) ethdb.Iterator
 
 	Stat(property string) (string, error)

XDCxDAO/leveldb.go

@@ -171,12 +171,6 @@ func (db *BatchDatabase) Sync() error {
 	return errNotSupported
 }
 
-// MigrateTable processes the entries in a given table in sequence
-// converting them to a new format if they're of an old format.
-func (db *BatchDatabase) MigrateTable(kind string, convert func([]byte) ([]byte, error)) error {
-	return errNotSupported
-}
-
 func (db *BatchDatabase) NewIterator(prefix []byte, start []byte) ethdb.Iterator {
 	panic("NewIterator from XDCxDAO leveldb is not supported")
 }

XDCxDAO/mongodb.go

@@ -873,12 +873,6 @@ func (db *MongoDatabase) Sync() error {
 	return errNotSupported
 }
 
-// MigrateTable processes the entries in a given table in sequence
-// converting them to a new format if they're of an old format.
-func (db *MongoDatabase) MigrateTable(kind string, convert func([]byte) ([]byte, error)) error {
-	return errNotSupported
-}
-
 func (db *MongoDatabase) NewIterator(prefix []byte, start []byte) ethdb.Iterator {
 	panic("NewIterator from XDCxDAO mongodb is not supported")
 }

core/rawdb/database.go

@@ -85,12 +85,6 @@ func (db *nofreezedb) Sync() error {
 	return errNotSupported
 }
 
-// MigrateTable processes the entries in a given table in sequence
-// converting them to a new format if they're of an old format.
-func (db *nofreezedb) MigrateTable(kind string, convert convertLegacyFn) error {
-	return errNotSupported
-}
-
 // NewDatabase creates a high level database on top of a given key-value data
 // store without a freezer moving immutable chain segments into cold storage.
 func NewDatabase(db ethdb.KeyValueStore) ethdb.Database {

core/rawdb/table.go

@@ -92,12 +92,6 @@ func (t *table) Sync() error {
 	return t.db.Sync()
 }
 
-// MigrateTable processes the entries in a given table in sequence
-// converting them to a new format if they're of an old format.
-func (t *table) MigrateTable(kind string, convert convertLegacyFn) error {
-	return t.db.MigrateTable(kind, convert)
-}
-
 // Put inserts the given value into the database at a prefixed version of the
 // provided key.
 func (t *table) Put(key []byte, value []byte) error {

ethdb/database.go

@@ -18,8 +18,9 @@
 package ethdb
 
 import (
-	"github.com/XinFinOrg/XDPoSChain/common"
 	"io"
+
+	"github.com/XinFinOrg/XDPoSChain/common"
 )
 
 // KeyValueReader wraps the Has and Get method of a backing data store.
@@ -97,11 +98,6 @@ type AncientWriter interface {
 
 	// Sync flushes all in-memory ancient store data to disk.
 	Sync() error
-
-	// MigrateTable processes and migrates entries of a given table to a new format.
-	// The second argument is a function that takes a raw entry and returns it
-	// in the newest format.
-	MigrateTable(string, func([]byte) ([]byte, error)) error
 }
 
 // Reader contains the methods required to read data from both key-value as well as