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all: add read-only option to database (#22407)

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* all: add read-only option to database

* all: fixes tests

* cmd/geth: migrate flags

* cmd/geth: fix the compact

* cmd/geth: fix the format

* cmd/geth: fix log

* cmd: add chain-readonly

* core: add readonly notion to freezer

* core/rawdb: add log

* core/rawdb: fix freezer close

* cmd: fix

* cmd, core: construct db

* core: update tests
This commit is contained in:
gary rong
2021-03-23 02:06:30 +08:00
committed by GitHub
parent aab35600bc
commit 0c70b83e00
26 changed files with 267 additions and 192 deletions
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8
node/node.go
View File

@ -547,7 +547,7 @@ func (n *Node) EventMux() *event.TypeMux {
// OpenDatabase opens an existing database with the given name (or creates one if no
// previous can be found) from within the node's instance directory. If the node is
// ephemeral, a memory database is returned.
func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (ethdb.Database, error) {
func (n *Node) OpenDatabase(name string, cache, handles int, namespace string, readonly bool) (ethdb.Database, error) {
n.lock.Lock()
defer n.lock.Unlock()
if n.state == closedState {
@ -559,7 +559,7 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (
if n.config.DataDir == "" {
db = rawdb.NewMemoryDatabase()
} else {
db, err = rawdb.NewLevelDBDatabase(n.ResolvePath(name), cache, handles, namespace)
db, err = rawdb.NewLevelDBDatabase(n.ResolvePath(name), cache, handles, namespace, readonly)
}
if err == nil {
@ -573,7 +573,7 @@ func (n *Node) OpenDatabase(name string, cache, handles int, namespace string) (
// also attaching a chain freezer to it that moves ancient chain data from the
// database to immutable append-only files. If the node is an ephemeral one, a
// memory database is returned.
func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer, namespace string) (ethdb.Database, error) {
func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer, namespace string, readonly bool) (ethdb.Database, error) {
n.lock.Lock()
defer n.lock.Unlock()
if n.state == closedState {
@ -592,7 +592,7 @@ func (n *Node) OpenDatabaseWithFreezer(name string, cache, handles int, freezer,
case !filepath.IsAbs(freezer):
freezer = n.ResolvePath(freezer)
}
db, err = rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace)
db, err = rawdb.NewLevelDBDatabaseWithFreezer(root, cache, handles, freezer, namespace, readonly)
}
if err == nil {

6
node/node_test.go
View File

@ -158,7 +158,7 @@ func TestNodeCloseClosesDB(t *testing.T) {
stack, _ := New(testNodeConfig())
defer stack.Close()
db, err := stack.OpenDatabase("mydb", 0, 0, "")
db, err := stack.OpenDatabase("mydb", 0, 0, "", false)
if err != nil {
t.Fatal("can't open DB:", err)
}
@ -181,7 +181,7 @@ func TestNodeOpenDatabaseFromLifecycleStart(t *testing.T) {
var err error
stack.RegisterLifecycle(&InstrumentedService{
startHook: func() {
db, err = stack.OpenDatabase("mydb", 0, 0, "")
db, err = stack.OpenDatabase("mydb", 0, 0, "", false)
if err != nil {
t.Fatal("can't open DB:", err)
}
@ -202,7 +202,7 @@ func TestNodeOpenDatabaseFromLifecycleStop(t *testing.T) {
stack.RegisterLifecycle(&InstrumentedService{
stopHook: func() {
db, err := stack.OpenDatabase("mydb", 0, 0, "")
db, err := stack.OpenDatabase("mydb", 0, 0, "", false)
if err != nil {
t.Fatal("can't open DB:", err)
}