a5a4fa7032
This change makes use of uin256 to represent balance in state. It touches primarily upon statedb, stateobject and state processing, trying to avoid changes in transaction pools, core types, rpc and tracers.
113 lines
4.1 KiB
Go
113 lines
4.1 KiB
Go
// Copyright 2021 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 state
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import (
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/holiman/uint256"
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)
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func filledStateDB() *StateDB {
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state, _ := New(types.EmptyRootHash, NewDatabase(rawdb.NewMemoryDatabase()), nil)
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// Create an account and check if the retrieved balance is correct
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addr := common.HexToAddress("0xaffeaffeaffeaffeaffeaffeaffeaffeaffeaffe")
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skey := common.HexToHash("aaa")
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sval := common.HexToHash("bbb")
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state.SetBalance(addr, uint256.NewInt(42)) // Change the account trie
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state.SetCode(addr, []byte("hello")) // Change an external metadata
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state.SetState(addr, skey, sval) // Change the storage trie
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for i := 0; i < 100; i++ {
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sk := common.BigToHash(big.NewInt(int64(i)))
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state.SetState(addr, sk, sk) // Change the storage trie
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}
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return state
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}
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func TestCopyAndClose(t *testing.T) {
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db := filledStateDB()
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prefetcher := newTriePrefetcher(db.db, db.originalRoot, "")
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skey := common.HexToHash("aaa")
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prefetcher.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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prefetcher.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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time.Sleep(1 * time.Second)
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a := prefetcher.trie(common.Hash{}, db.originalRoot)
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prefetcher.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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b := prefetcher.trie(common.Hash{}, db.originalRoot)
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cpy := prefetcher.copy()
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cpy.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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cpy.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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c := cpy.trie(common.Hash{}, db.originalRoot)
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prefetcher.close()
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cpy2 := cpy.copy()
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cpy2.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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d := cpy2.trie(common.Hash{}, db.originalRoot)
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cpy.close()
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cpy2.close()
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if a.Hash() != b.Hash() || a.Hash() != c.Hash() || a.Hash() != d.Hash() {
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t.Fatalf("Invalid trie, hashes should be equal: %v %v %v %v", a.Hash(), b.Hash(), c.Hash(), d.Hash())
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}
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}
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func TestUseAfterClose(t *testing.T) {
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db := filledStateDB()
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prefetcher := newTriePrefetcher(db.db, db.originalRoot, "")
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skey := common.HexToHash("aaa")
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prefetcher.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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a := prefetcher.trie(common.Hash{}, db.originalRoot)
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prefetcher.close()
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b := prefetcher.trie(common.Hash{}, db.originalRoot)
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if a == nil {
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t.Fatal("Prefetching before close should not return nil")
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}
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if b != nil {
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t.Fatal("Trie after close should return nil")
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}
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}
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func TestCopyClose(t *testing.T) {
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db := filledStateDB()
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prefetcher := newTriePrefetcher(db.db, db.originalRoot, "")
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skey := common.HexToHash("aaa")
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prefetcher.prefetch(common.Hash{}, db.originalRoot, common.Address{}, [][]byte{skey.Bytes()})
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cpy := prefetcher.copy()
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a := prefetcher.trie(common.Hash{}, db.originalRoot)
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b := cpy.trie(common.Hash{}, db.originalRoot)
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prefetcher.close()
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c := prefetcher.trie(common.Hash{}, db.originalRoot)
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d := cpy.trie(common.Hash{}, db.originalRoot)
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if a == nil {
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t.Fatal("Prefetching before close should not return nil")
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}
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if b == nil {
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t.Fatal("Copy trie should return nil")
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}
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if c != nil {
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t.Fatal("Trie after close should return nil")
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}
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if d == nil {
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t.Fatal("Copy trie should not return nil")
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}
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}
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