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trie_id.go
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trie_id.go
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// (c) 2023, Lux Partners Limited.
//
// This file is a derived work, based on the go-ethereum library whose original
// notices appear below.
//
// It is distributed under a license compatible with the licensing terms of the
// original code from which it is derived.
//
// Much love to the original authors for their work.
// **********
// Copyright 2022 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>
package trie
import "github.com/ethereum/go-ethereum/common"
// ID is the identifier for uniquely identifying a trie.
type ID struct {
StateRoot common.Hash // The root of the corresponding state(block.root)
Owner common.Hash // The contract address hash which the trie belongs to
Root common.Hash // The root hash of trie
}
// StateTrieID constructs an identifier for state trie with the provided state root.
func StateTrieID(root common.Hash) *ID {
return &ID{
StateRoot: root,
Owner: common.Hash{},
Root: root,
}
}
// StorageTrieID constructs an identifier for storage trie which belongs to a certain
// state and contract specified by the stateRoot and owner.
func StorageTrieID(stateRoot common.Hash, owner common.Hash, root common.Hash) *ID {
return &ID{
StateRoot: stateRoot,
Owner: owner,
Root: root,
}
}
// TrieID constructs an identifier for a standard trie(not a second-layer trie)
// with provided root. It's mostly used in tests and some other tries like CHT trie.
func TrieID(root common.Hash) *ID {
return &ID{
StateRoot: root,
Owner: common.Hash{},
Root: root,
}
}