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51 lines
2.0 KiB
51 lines
2.0 KiB
// Copyright 2023 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
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package pathdb
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import (
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"errors"
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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)
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var (
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// errSnapshotReadOnly is returned if the database is opened in read only mode
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// and mutation is requested.
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errSnapshotReadOnly = errors.New("read only")
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// errSnapshotStale is returned from data accessors if the underlying layer
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// layer had been invalidated due to the chain progressing forward far enough
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// to not maintain the layer's original state.
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errSnapshotStale = errors.New("layer stale")
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// errUnexpectedHistory is returned if an unmatched state history is applied
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// to the database for state rollback.
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errUnexpectedHistory = errors.New("unexpected state history")
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// errStateUnrecoverable is returned if state is required to be reverted to
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// a destination without associated state history available.
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errStateUnrecoverable = errors.New("state is unrecoverable")
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// errUnexpectedNode is returned if the requested node with specified path is
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// not hash matched with expectation.
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errUnexpectedNode = errors.New("unexpected node")
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)
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func newUnexpectedNodeError(loc string, expHash common.Hash, gotHash common.Hash, owner common.Hash, path []byte) error {
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return fmt.Errorf("%w, loc: %s, node: (%x %v), %x!=%x", errUnexpectedNode, loc, owner, path, expHash, gotHash)
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}
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