core/state, trie: remove Try prefix in Trie accessors (#26975)

This change renames StateTrie methods to remove the Try* prefix. 

We added the Trie methods with prefix 'Try' a long time ago, working
around the problem that most existing methods of Trie did not return the
database error. This weird naming convention has persisted until now.

Co-authored-by: Gary Rong <garyrong0905@gmail.com>

core/state/database.go

@@ -68,36 +68,36 @@ type Trie interface {
 	// TODO(fjl): remove this when StateTrie is removed
 	GetKey([]byte) []byte
 
-	// TryGetStorage returns the value for key stored in the trie. The value bytes
+	// GetStorage returns the value for key stored in the trie. The value bytes
 	// must not be modified by the caller. If a node was not found in the database,
 	// a trie.MissingNodeError is returned.
-	TryGetStorage(addr common.Address, key []byte) ([]byte, error)
+	GetStorage(addr common.Address, key []byte) ([]byte, error)
 
-	// TryGetAccount abstracts an account read from the trie. It retrieves the
+	// GetAccount abstracts an account read from the trie. It retrieves the
 	// account blob from the trie with provided account address and decodes it
 	// with associated decoding algorithm. If the specified account is not in
 	// the trie, nil will be returned. If the trie is corrupted(e.g. some nodes
 	// are missing or the account blob is incorrect for decoding), an error will
 	// be returned.
-	TryGetAccount(address common.Address) (*types.StateAccount, error)
+	GetAccount(address common.Address) (*types.StateAccount, error)
 
-	// TryUpdateStorage associates key with value in the trie. If value has length zero,
+	// UpdateStorage associates key with value in the trie. If value has length zero,
 	// any existing value is deleted from the trie. The value bytes must not be modified
 	// by the caller while they are stored in the trie. If a node was not found in the
 	// database, a trie.MissingNodeError is returned.
-	TryUpdateStorage(addr common.Address, key, value []byte) error
+	UpdateStorage(addr common.Address, key, value []byte) error
 
-	// TryUpdateAccount abstracts an account write to the trie. It encodes the
+	// UpdateAccount abstracts an account write to the trie. It encodes the
 	// provided account object with associated algorithm and then updates it
 	// in the trie with provided address.
-	TryUpdateAccount(address common.Address, account *types.StateAccount) error
+	UpdateAccount(address common.Address, account *types.StateAccount) error
 
-	// TryDeleteStorage removes any existing value for key from the trie. If a node
+	// DeleteStorage removes any existing value for key from the trie. If a node
 	// was not found in the database, a trie.MissingNodeError is returned.
-	TryDeleteStorage(addr common.Address, key []byte) error
+	DeleteStorage(addr common.Address, key []byte) error
 
-	// TryDeleteAccount abstracts an account deletion from the trie.
-	TryDeleteAccount(address common.Address) error
+	// DeleteAccount abstracts an account deletion from the trie.
+	DeleteAccount(address common.Address) error
 
 	// Hash returns the root hash of the trie. It does not write to the database and
 	// can be used even if the trie doesn't have one.

core/state/state_object.go

@@ -201,7 +201,7 @@ func (s *stateObject) GetCommittedState(db Database, key common.Hash) common.Has
 			s.db.setError(err)
 			return common.Hash{}
 		}
-		enc, err = tr.TryGetStorage(s.address, key.Bytes())
+		enc, err = tr.GetStorage(s.address, key.Bytes())
 		if metrics.EnabledExpensive {
 			s.db.StorageReads += time.Since(start)
 		}
@@ -294,7 +294,7 @@ func (s *stateObject) updateTrie(db Database) (Trie, error) {
 
 		var v []byte
 		if (value == common.Hash{}) {
-			if err := tr.TryDeleteStorage(s.address, key[:]); err != nil {
+			if err := tr.DeleteStorage(s.address, key[:]); err != nil {
 				s.db.setError(err)
 				return nil, err
 			}
@@ -302,7 +302,7 @@ func (s *stateObject) updateTrie(db Database) (Trie, error) {
 		} else {
 			// Encoding []byte cannot fail, ok to ignore the error.
 			v, _ = rlp.EncodeToBytes(common.TrimLeftZeroes(value[:]))
-			if err := tr.TryUpdateStorage(s.address, key[:], v); err != nil {
+			if err := tr.UpdateStorage(s.address, key[:], v); err != nil {
 				s.db.setError(err)
 				return nil, err
 			}

core/state/statedb.go

@@ -512,7 +512,7 @@ func (s *StateDB) updateStateObject(obj *stateObject) {
 	}
 	// Encode the account and update the account trie
 	addr := obj.Address()
-	if err := s.trie.TryUpdateAccount(addr, &obj.data); err != nil {
+	if err := s.trie.UpdateAccount(addr, &obj.data); err != nil {
 		s.setError(fmt.Errorf("updateStateObject (%x) error: %v", addr[:], err))
 	}
 
@@ -533,7 +533,7 @@ func (s *StateDB) deleteStateObject(obj *stateObject) {
 	}
 	// Delete the account from the trie
 	addr := obj.Address()
-	if err := s.trie.TryDeleteAccount(addr); err != nil {
+	if err := s.trie.DeleteAccount(addr); err != nil {
 		s.setError(fmt.Errorf("deleteStateObject (%x) error: %v", addr[:], err))
 	}
 }
@@ -587,7 +587,7 @@ func (s *StateDB) getDeletedStateObject(addr common.Address) *stateObject {
 	if data == nil {
 		start := time.Now()
 		var err error
-		data, err = s.trie.TryGetAccount(addr)
+		data, err = s.trie.GetAccount(addr)
 		if metrics.EnabledExpensive {
 			s.AccountReads += time.Since(start)
 		}

core/state/trie_prefetcher.go

@@ -339,9 +339,9 @@ func (sf *subfetcher) loop() {
 						sf.dups++
 					} else {
 						if len(task) == common.AddressLength {
-							sf.trie.TryGetAccount(common.BytesToAddress(task))
+							sf.trie.GetAccount(common.BytesToAddress(task))
 						} else {
-							sf.trie.TryGetStorage(sf.addr, task)
+							sf.trie.GetStorage(sf.addr, task)
 						}
 						sf.seen[string(task)] = struct{}{}
 					}