Merge pull request from GHSA-4vx6-m7jv-g2ch

Fix debug namespace API

api/api_private_debug.go

@@ -21,9 +21,11 @@
 package api
 
 import (
+	"context"
 	"fmt"
 	"strings"
 
+	"github.com/davecgh/go-spew/spew"
 	"github.com/klaytn/klaytn/networks/rpc"
 	"github.com/syndtr/goleveldb/leveldb"
 	"github.com/syndtr/goleveldb/leveldb/util"
@@ -84,3 +86,13 @@ func (api *PrivateDebugAPI) SetHead(number rpc.BlockNumber) {
 	}
 	api.b.SetHead(uint64(number))
 }
+
+// PrintBlock retrieves a block and returns its pretty printed form.
+func (api *PrivateDebugAPI) PrintBlock(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (string, error) {
+	block, _ := api.b.BlockByNumberOrHash(ctx, blockNrOrHash)
+	if block == nil {
+		blockNumberOrHashString, _ := blockNrOrHash.NumberOrHashString()
+		return "", fmt.Errorf("block %v not found", blockNumberOrHashString)
+	}
+	return spew.Sdump(block), nil
+}

api/api_public_debug.go

@@ -24,7 +24,6 @@ import (
 	"context"
 	"fmt"
 
-	"github.com/davecgh/go-spew/spew"
 	"github.com/klaytn/klaytn/networks/rpc"
 	"github.com/klaytn/klaytn/rlp"
 )
@@ -54,13 +53,3 @@ func (api *PublicDebugAPI) GetBlockRlp(ctx context.Context, blockNrOrHash rpc.Bl
 	}
 	return fmt.Sprintf("%x", encoded), nil
 }
-
-// PrintBlock retrieves a block and returns its pretty printed form.
-func (api *PublicDebugAPI) PrintBlock(ctx context.Context, blockNrOrHash rpc.BlockNumberOrHash) (string, error) {
-	block, _ := api.b.BlockByNumberOrHash(ctx, blockNrOrHash)
-	if block == nil {
-		blockNumberOrHashString, _ := blockNrOrHash.NumberOrHashString()
-		return "", fmt.Errorf("block %v not found", blockNumberOrHashString)
-	}
-	return spew.Sdump(block), nil
-}

api/backend.go

@@ -135,11 +135,12 @@ func GetAPIs(apiBackend Backend) ([]rpc.API, *EthereumAPI) {
 			Namespace: "debug",
 			Version:   "1.0",
 			Service:   NewPublicDebugAPI(apiBackend),
-			Public:    true,
+			Public:    false,
 		}, {
-			Namespace: "debug",
+			Namespace: "unsafedebug",
 			Version:   "1.0",
 			Service:   NewPrivateDebugAPI(apiBackend),
+			Public:    false,
 		}, {
 			Namespace: "klay",
 			Version:   "1.0",