github.com/theQRL/go-zond@v0.1.1/trie/trie_id.go (about)

     1  // Copyright 2022 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 trie
    18  
    19  import "github.com/theQRL/go-zond/common"
    20  
    21  // ID is the identifier for uniquely identifying a trie.
    22  type ID struct {
    23  	StateRoot common.Hash // The root of the corresponding state(block.root)
    24  	Owner     common.Hash // The contract address hash which the trie belongs to
    25  	Root      common.Hash // The root hash of trie
    26  }
    27  
    28  // StateTrieID constructs an identifier for state trie with the provided state root.
    29  func StateTrieID(root common.Hash) *ID {
    30  	return &ID{
    31  		StateRoot: root,
    32  		Owner:     common.Hash{},
    33  		Root:      root,
    34  	}
    35  }
    36  
    37  // StorageTrieID constructs an identifier for storage trie which belongs to a certain
    38  // state and contract specified by the stateRoot and owner.
    39  func StorageTrieID(stateRoot common.Hash, owner common.Hash, root common.Hash) *ID {
    40  	return &ID{
    41  		StateRoot: stateRoot,
    42  		Owner:     owner,
    43  		Root:      root,
    44  	}
    45  }
    46  
    47  // TrieID constructs an identifier for a standard trie(not a second-layer trie)
    48  // with provided root. It's mostly used in tests and some other tries like CHT trie.
    49  func TrieID(root common.Hash) *ID {
    50  	return &ID{
    51  		StateRoot: root,
    52  		Owner:     common.Hash{},
    53  		Root:      root,
    54  	}
    55  }