50 lines
2.1 KiB
Go
50 lines
2.1 KiB
Go
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// 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 triedb
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import (
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/triedb/pathdb"
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)
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// StateSet represents a collection of mutated states during a state transition.
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type StateSet struct {
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Accounts map[common.Hash][]byte // Mutated accounts in 'slim RLP' encoding
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AccountsOrigin map[common.Address][]byte // Original values of mutated accounts in 'slim RLP' encoding
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Storages map[common.Hash]map[common.Hash][]byte // Mutated storage slots in 'prefix-zero-trimmed' RLP format
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StoragesOrigin map[common.Address]map[common.Hash][]byte // Original values of mutated storage slots in 'prefix-zero-trimmed' RLP format
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}
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// NewStateSet initializes an empty state set.
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func NewStateSet() *StateSet {
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return &StateSet{
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Accounts: make(map[common.Hash][]byte),
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AccountsOrigin: make(map[common.Address][]byte),
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Storages: make(map[common.Hash]map[common.Hash][]byte),
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StoragesOrigin: make(map[common.Address]map[common.Hash][]byte),
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}
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}
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// internal returns a state set for path database internal usage.
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func (set *StateSet) internal() *pathdb.StateSetWithOrigin {
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// the nil state set is possible in tests.
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if set == nil {
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return nil
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}
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return pathdb.NewStateSetWithOrigin(set.AccountsOrigin, set.StoragesOrigin)
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}
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