github.com/ethereum/go-ethereum@v1.16.1/triedb/pathdb/errors.go (about)

     1  // Copyright 2023 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package pathdb
    18  
    19  import "errors"
    20  
    21  var (
    22  	// errDatabaseReadOnly is returned if the database is opened in read only mode
    23  	// to prevent any mutation.
    24  	errDatabaseReadOnly = errors.New("read only")
    25  
    26  	// errDatabaseWaitSync is returned if the initial state sync is not completed
    27  	// yet and database is disabled to prevent accessing state.
    28  	errDatabaseWaitSync = errors.New("waiting for sync")
    29  
    30  	// errSnapshotStale is returned from data accessors if the underlying layer
    31  	// had been invalidated due to the chain progressing forward far enough
    32  	// to not maintain the layer's original state.
    33  	errSnapshotStale = errors.New("layer stale")
    34  
    35  	// errUnexpectedHistory is returned if an unmatched state history is applied
    36  	// to the database for state rollback.
    37  	errUnexpectedHistory = errors.New("unexpected state history")
    38  
    39  	// errStateUnrecoverable is returned if state is required to be reverted to
    40  	// a destination without associated state history available.
    41  	errStateUnrecoverable = errors.New("state is unrecoverable")
    42  
    43  	// errNotCoveredYet is returned from data accessors if the underlying snapshot
    44  	// is being generated currently and the requested data item is not yet in the
    45  	// range of accounts covered.
    46  	errNotCoveredYet = errors.New("not covered yet")
    47  
    48  	// errNotConstructed is returned if the callers want to iterate the snapshot
    49  	// while the generation is not finished yet.
    50  	errNotConstructed = errors.New("snapshot is not constructed")
    51  )