trie/triedb/pathdb: improve error log (#28177)

trie/triedb/pathdb/difflayer.go

@@ -114,7 +114,7 @@ func (dl *diffLayer) node(owner common.Hash, path []byte, hash common.Hash, dept
 			if n.Hash != hash {
 				dirtyFalseMeter.Mark(1)
 				log.Error("Unexpected trie node in diff layer", "owner", owner, "path", path, "expect", hash, "got", n.Hash)
-				return nil, newUnexpectedNodeError("diff", hash, n.Hash, owner, path)
+				return nil, newUnexpectedNodeError("diff", hash, n.Hash, owner, path, n.Blob)
 			}
 			dirtyHitMeter.Mark(1)
 			dirtyNodeHitDepthHist.Update(int64(depth))

trie/triedb/pathdb/disklayer.go

@@ -150,7 +150,7 @@ func (dl *diskLayer) Node(owner common.Hash, path []byte, hash common.Hash) ([]b
 	if nHash != hash {
 		diskFalseMeter.Mark(1)
 		log.Error("Unexpected trie node in disk", "owner", owner, "path", path, "expect", hash, "got", nHash)
-		return nil, newUnexpectedNodeError("disk", hash, nHash, owner, path)
+		return nil, newUnexpectedNodeError("disk", hash, nHash, owner, path, nBlob)
 	}
 	if dl.cleans != nil && len(nBlob) > 0 {
 		dl.cleans.Set(key, nBlob)

trie/triedb/pathdb/errors.go

@@ -21,6 +21,7 @@ import (
 	"fmt"
 
 	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 )
 
 var (
@@ -46,6 +47,10 @@ var (
 	errUnexpectedNode = errors.New("unexpected node")
 )
 
-func newUnexpectedNodeError(loc string, expHash common.Hash, gotHash common.Hash, owner common.Hash, path []byte) error {
-	return fmt.Errorf("%w, loc: %s, node: (%x %v), %x!=%x", errUnexpectedNode, loc, owner, path, expHash, gotHash)
+func newUnexpectedNodeError(loc string, expHash common.Hash, gotHash common.Hash, owner common.Hash, path []byte, blob []byte) error {
+	blobHex := "nil"
+	if len(blob) > 0 {
+		blobHex = hexutil.Encode(blob)
+	}
+	return fmt.Errorf("%w, loc: %s, node: (%x %v), %x!=%x, blob: %s", errUnexpectedNode, loc, owner, path, expHash, gotHash, blobHex)
 }

trie/triedb/pathdb/nodebuffer.go

@@ -71,7 +71,7 @@ func (b *nodebuffer) node(owner common.Hash, path []byte, hash common.Hash) (*tr
 	if n.Hash != hash {
 		dirtyFalseMeter.Mark(1)
 		log.Error("Unexpected trie node in node buffer", "owner", owner, "path", path, "expect", hash, "got", n.Hash)
-		return nil, newUnexpectedNodeError("dirty", hash, n.Hash, owner, path)
+		return nil, newUnexpectedNodeError("dirty", hash, n.Hash, owner, path, n.Blob)
 	}
 	return n, nil
 }