56 lines
1.9 KiB
Go
56 lines
1.9 KiB
Go
// Copyright 2022 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 "github.com/ethereum/go-ethereum/common"
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// ID is the identifier for uniquely identifying a trie.
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type ID struct {
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StateRoot common.Hash // The root of the corresponding state(block.root)
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Owner common.Hash // The contract address hash which the trie belongs to
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Root common.Hash // The root hash of trie
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}
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// StateTrieID constructs an identifier for state trie with the provided state root.
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func StateTrieID(root common.Hash) *ID {
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return &ID{
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StateRoot: root,
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Owner: common.Hash{},
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Root: root,
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}
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}
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// StorageTrieID constructs an identifier for storage trie which belongs to a certain
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// state and contract specified by the stateRoot and owner.
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func StorageTrieID(stateRoot common.Hash, owner common.Hash, root common.Hash) *ID {
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return &ID{
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StateRoot: stateRoot,
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Owner: owner,
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Root: root,
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}
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}
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// TrieID constructs an identifier for a standard trie(not a second-layer trie)
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// with provided root. It's mostly used in tests and some other tries like CHT trie.
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func TrieID(root common.Hash) *ID {
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return &ID{
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StateRoot: root,
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Owner: common.Hash{},
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Root: root,
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}
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}
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