a31d268b76
The key was constructed from nibbles, which isn't possible for all nodes. Remove the only use of Key in LightTrie by always retrying with the original key that was looked up.
47 lines
1.7 KiB
Go
47 lines
1.7 KiB
Go
// Copyright 2015 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 trie
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import (
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"fmt"
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"github.com/ethereum/go-ethereum/common"
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)
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// MissingNodeError is returned by the trie functions (TryGet, TryUpdate, TryDelete)
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// in the case where a trie node is not present in the local database. Contains
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// information necessary for retrieving the missing node through an ODR service.
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//
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// NodeHash is the hash of the missing node
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//
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// RootHash is the original root of the trie that contains the node
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//
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// PrefixLen is the nibble length of the key prefix that leads from the root to
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// the missing node
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//
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// SuffixLen is the nibble length of the remaining part of the key that hints on
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// which further nodes should also be retrieved (can be zero when there are no
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// such hints in the error message)
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type MissingNodeError struct {
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RootHash, NodeHash common.Hash
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PrefixLen, SuffixLen int
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}
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func (err *MissingNodeError) Error() string {
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return fmt.Sprintf("Missing trie node %064x", err.NodeHash)
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}
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