mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2024-12-22 11:41:19 +00:00
735 lines
25 KiB
Go
735 lines
25 KiB
Go
// Copyright 2014 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 (
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"bytes"
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"encoding/binary"
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"fmt"
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"math/big"
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"math/rand"
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"reflect"
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"testing"
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"github.com/davecgh/go-spew/spew"
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"github.com/ledgerwatch/erigon/common"
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"github.com/ledgerwatch/erigon/common/debug"
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"github.com/ledgerwatch/erigon/core/types/accounts"
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"github.com/ledgerwatch/erigon/crypto"
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"github.com/ledgerwatch/erigon/rlp"
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"github.com/stretchr/testify/assert"
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)
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func init() {
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spew.Config.Indent = " "
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spew.Config.DisableMethods = false
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}
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// Used for testing
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func newEmpty() *Trie {
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trie := New(common.Hash{})
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return trie
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}
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func TestEmptyTrie(t *testing.T) {
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var trie Trie
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res := trie.Hash()
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exp := EmptyRoot
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if res != exp {
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t.Errorf("expected %x got %x", exp, res)
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}
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}
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func TestNull(t *testing.T) {
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var trie Trie
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key := make([]byte, 32)
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value := []byte("test")
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trie.Update(key, value)
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v, _ := trie.Get(key)
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if !bytes.Equal(v, value) {
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t.Fatal("wrong value")
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}
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}
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func TestLargeValue(t *testing.T) {
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trie := newEmpty()
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trie.Update([]byte("key1"), []byte{99, 99, 99, 99})
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trie.Update([]byte("key2"), bytes.Repeat([]byte{1}, 32))
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trie.Hash()
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}
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// TestRandomCases tests som cases that were found via random fuzzing
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func TestRandomCases(t *testing.T) {
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var rt []randTestStep = []randTestStep{
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 0
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 1
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{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000002")}, // step 2
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{op: 2, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("")}, // step 3
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 4
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 5
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 6
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 7
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{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000008")}, // step 8
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{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000009")}, // step 9
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{op: 2, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("")}, // step 10
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 11
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 12
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{op: 0, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("000000000000000d")}, // step 13
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{op: 6, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 14
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{op: 1, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("")}, // step 15
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 16
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{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000011")}, // step 17
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{op: 5, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 18
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{op: 3, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 19
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// FIXME: fix these testcases for Erigon
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//{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000014")}, // step 20
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//{op: 0, key: common.Hex2Bytes("d51b182b95d677e5f1c82508c0228de96b73092d78ce78b2230cd948674f66fd1483bd"), value: common.Hex2Bytes("0000000000000015")}, // step 21
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//{op: 0, key: common.Hex2Bytes("c2a38512b83107d665c65235b0250002882ac2022eb00711552354832c5f1d030d0e408e"), value: common.Hex2Bytes("0000000000000016")}, // step 22
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{op: 5, key: common.Hex2Bytes(""), value: common.Hex2Bytes("")}, // step 23
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//{op: 1, key: common.Hex2Bytes("980c393656413a15c8da01978ed9f89feb80b502f58f2d640e3a2f5f7a99a7018f1b573befd92053ac6f78fca4a87268"), value: common.Hex2Bytes("")}, // step 24
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//{op: 1, key: common.Hex2Bytes("fd"), value: common.Hex2Bytes("")}, // step 25
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}
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runRandTest(rt)
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}
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// randTest performs random trie operations.
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// Instances of this test are created by Generate.
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type randTest []randTestStep
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type randTestStep struct {
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op int
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key []byte // for opUpdate, opDelete, opGet
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value []byte // for opUpdate
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err error // for debugging
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}
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const (
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opUpdate = iota
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opDelete
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opGet
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opCommit
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opHash
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opReset
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opItercheckhash
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opCheckCacheInvariant
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opMax // boundary value, not an actual op
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)
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func (randTest) Generate(r *rand.Rand, size int) reflect.Value {
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var allKeys [][]byte
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genKey := func() []byte {
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if len(allKeys) < 2 || r.Intn(100) < 10 {
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// new key
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key := make([]byte, r.Intn(50))
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r.Read(key)
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allKeys = append(allKeys, key)
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return key
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}
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// use existing key
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return allKeys[r.Intn(len(allKeys))]
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}
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var steps randTest
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for i := 0; i < size; i++ {
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step := randTestStep{op: r.Intn(opMax)}
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switch step.op {
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case opUpdate:
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step.key = genKey()
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step.value = make([]byte, 8)
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binary.BigEndian.PutUint64(step.value, uint64(i))
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case opGet, opDelete:
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step.key = genKey()
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}
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steps = append(steps, step)
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}
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return reflect.ValueOf(steps)
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}
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func runRandTest(rt randTest) bool {
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tr := New(common.Hash{})
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values := make(map[string]string) // tracks content of the trie
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for i, step := range rt {
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fmt.Printf("{op: %d, key: common.Hex2Bytes(\"%x\"), value: common.Hex2Bytes(\"%x\")}, // step %d\n",
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step.op, step.key, step.value, i)
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switch step.op {
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case opUpdate:
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tr.Update(step.key, step.value)
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values[string(step.key)] = string(step.value)
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case opDelete:
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tr.Delete(step.key)
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delete(values, string(step.key))
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case opGet:
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v, _ := tr.Get(step.key)
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want := values[string(step.key)]
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if string(v) != want {
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rt[i].err = fmt.Errorf("mismatch for key 0x%x, got 0x%x want 0x%x", step.key, v, want)
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}
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case opCommit:
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case opHash:
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tr.Hash()
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case opReset:
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hash := tr.Hash()
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newtr := New(hash)
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tr = newtr
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case opItercheckhash:
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// FIXME: restore for Erigon
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/*
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checktr := New(common.Hash{})
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it := NewIterator(tr.NodeIterator(nil))
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for it.Next() {
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checktr.Update(it.Key, it.Value)
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}
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if tr.Hash() != checktr.Hash() {
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rt[i].err = fmt.Errorf("hash mismatch in opItercheckhash")
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}
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*/
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case opCheckCacheInvariant:
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}
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// Abort the test on error.
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if rt[i].err != nil {
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return false
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}
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}
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return true
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}
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// Benchmarks the trie hashing. Since the trie caches the result of any operation,
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// we cannot use b.N as the number of hashing rouns, since all rounds apart from
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// the first one will be NOOP. As such, we'll use b.N as the number of account to
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// insert into the trie before measuring the hashing.
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func BenchmarkHash(b *testing.B) {
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// Make the random benchmark deterministic
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random := rand.New(rand.NewSource(0))
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// Create a realistic account trie to hash
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addresses := make([][20]byte, b.N)
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for i := 0; i < len(addresses); i++ {
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for j := 0; j < len(addresses[i]); j++ {
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addresses[i][j] = byte(random.Intn(256))
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}
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}
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accounts := make([][]byte, len(addresses))
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for i := 0; i < len(accounts); i++ {
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var (
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nonce = uint64(random.Int63())
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balance = new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
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root = EmptyRoot
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code = crypto.Keccak256(nil)
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)
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accounts[i], _ = rlp.EncodeToBytes([]interface{}{nonce, balance, root, code})
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}
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// Insert the accounts into the trie and hash it
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trie := newEmpty()
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for i := 0; i < len(addresses); i++ {
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trie.Update(crypto.Keccak256(addresses[i][:]), accounts[i])
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}
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b.ResetTimer()
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b.ReportAllocs()
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trie.Hash()
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}
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func TestDeepHash(t *testing.T) {
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acc := accounts.NewAccount()
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prefix := "prefix"
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var testdata = [][]struct {
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key string
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value string
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}{
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{{"key1", "value1"}},
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{{"key1", "value1"}, {"key2", "value2"}},
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{{"key1", "value1"}, {"key2", "value2"}, {"key3", "value3"}},
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{{"key1", "value1"}, {"key2", "value2"}, {"\xffek3", "value3"}},
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}
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for i, keyVals := range testdata {
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fmt.Println("Test", i)
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trie := New(common.Hash{})
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for _, keyVal := range keyVals {
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trie.Update([]byte(keyVal.key), []byte(keyVal.value))
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}
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trie.PrintTrie()
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hash1 := trie.Hash()
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prefixTrie := New(common.Hash{})
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prefixTrie.UpdateAccount([]byte(prefix), &acc)
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for _, keyVal := range keyVals {
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// Add a prefix to every key
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prefixTrie.Update([]byte(prefix+keyVal.key), []byte(keyVal.value))
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}
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got2, hash2 := prefixTrie.DeepHash([]byte(prefix))
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if !got2 {
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t.Errorf("Expected DeepHash returning true, got false, testcase %d", i)
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}
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if hash1 != hash2 {
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t.Errorf("DeepHash mistmatch: %x, expected %x, testcase %d", hash2, hash1, i)
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}
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}
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}
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func TestHashMapLeak(t *testing.T) {
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debug.OverrideGetNodeData(true)
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defer debug.OverrideGetNodeData(false)
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// freeze the randomness
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random := rand.New(rand.NewSource(794656320434))
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// now create a trie with some small and some big leaves
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trie := newEmpty()
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nTouches := 256 * 10
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var key [1]byte
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var val [8]byte
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for i := 0; i < nTouches; i++ {
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key[0] = byte(random.Intn(256))
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binary.BigEndian.PutUint64(val[:], random.Uint64())
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option := random.Intn(3)
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if option == 0 {
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// small leaf node
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trie.Update(key[:], val[:])
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} else if option == 1 {
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// big leaf node
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trie.Update(key[:], crypto.Keccak256(val[:]))
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} else {
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// test delete as well
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trie.Delete(key[:])
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}
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}
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// check the size of trie's hash map
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trie.Hash()
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nHashes := trie.HashMapSize()
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nExpected := 1 + 16 + 256/3
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assert.GreaterOrEqual(t, nHashes, nExpected*7/8)
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assert.LessOrEqual(t, nHashes, nExpected*9/8)
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}
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func genRandomByteArrayOfLen(length uint) []byte {
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array := make([]byte, length)
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for i := uint(0); i < length; i++ {
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array[i] = byte(rand.Intn(256))
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}
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return array
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}
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func getAddressForIndex(index int) [20]byte {
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var address [20]byte
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binary.BigEndian.PutUint32(address[:], uint32(index))
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return address
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}
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func TestCodeNodeValid(t *testing.T) {
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trie := newEmpty()
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random := rand.New(rand.NewSource(0))
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numberOfAccounts := 20
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addresses := make([][20]byte, numberOfAccounts)
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for i := 0; i < len(addresses); i++ {
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addresses[i] = getAddressForIndex(i)
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}
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codeValues := make([][]byte, len(addresses))
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for i := 0; i < len(addresses); i++ {
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codeValues[i] = genRandomByteArrayOfLen(128)
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codeHash := common.BytesToHash(crypto.Keccak256(codeValues[i]))
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balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
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acc := accounts.NewAccount()
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acc.Nonce = uint64(random.Int63())
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acc.Balance.SetFromBig(balance)
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acc.Root = EmptyRoot
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acc.CodeHash = codeHash
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trie.UpdateAccount(crypto.Keccak256(addresses[i][:]), &acc)
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err := trie.UpdateAccountCode(crypto.Keccak256(addresses[i][:]), codeValues[i])
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assert.Nil(t, err, "should successfully insert code")
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}
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for i := 0; i < len(addresses); i++ {
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value, gotValue := trie.GetAccountCode(crypto.Keccak256(addresses[i][:]))
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assert.True(t, gotValue, "should receive code value")
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assert.True(t, bytes.Equal(value, codeValues[i]), "should receive the right code")
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}
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}
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func TestCodeNodeUpdateNotExisting(t *testing.T) {
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trie := newEmpty()
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random := rand.New(rand.NewSource(0))
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address := getAddressForIndex(0)
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codeValue := genRandomByteArrayOfLen(128)
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codeHash := common.BytesToHash(crypto.Keccak256(codeValue))
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balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
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acc := accounts.NewAccount()
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acc.Nonce = uint64(random.Int63())
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acc.Balance.SetFromBig(balance)
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acc.Root = EmptyRoot
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acc.CodeHash = codeHash
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trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
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err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue)
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assert.Nil(t, err, "should successfully insert code")
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nonExistingAddress := getAddressForIndex(9999)
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codeValue2 := genRandomByteArrayOfLen(128)
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err = trie.UpdateAccountCode(crypto.Keccak256(nonExistingAddress[:]), codeValue2)
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assert.Error(t, err, "should return an error for non existing acc")
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}
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func TestCodeNodeGetNotExistingAccount(t *testing.T) {
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trie := newEmpty()
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random := rand.New(rand.NewSource(0))
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address := getAddressForIndex(0)
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codeValue := genRandomByteArrayOfLen(128)
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codeHash := common.BytesToHash(crypto.Keccak256(codeValue))
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balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
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acc := accounts.NewAccount()
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acc.Nonce = uint64(random.Int63())
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acc.Balance.SetFromBig(balance)
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acc.Root = EmptyRoot
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acc.CodeHash = codeHash
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trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
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err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue)
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assert.Nil(t, err, "should successfully insert code")
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nonExistingAddress := getAddressForIndex(9999)
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value, gotValue := trie.GetAccountCode(crypto.Keccak256(nonExistingAddress[:]))
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assert.True(t, gotValue, "should indicate that account doesn't exist at all (not just hashed)")
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assert.Nil(t, value, "the value should be nil")
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}
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func TestCodeNodeGetHashedAccount(t *testing.T) {
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trie := newEmpty()
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address := getAddressForIndex(0)
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fakeAccount := genRandomByteArrayOfLen(50)
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fakeAccountHash := common.BytesToHash(crypto.Keccak256(fakeAccount))
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hex := keybytesToHex(crypto.Keccak256(address[:]))
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_, trie.root = trie.insert(trie.root, hex, hashNode{hash: fakeAccountHash[:]})
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value, gotValue := trie.GetAccountCode(crypto.Keccak256(address[:]))
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assert.False(t, gotValue, "should indicate that account exists but hashed")
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assert.Nil(t, value, "the value should be nil")
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}
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func TestCodeNodeGetExistingAccountNoCodeNotEmpty(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
codeValue := genRandomByteArrayOfLen(128)
|
|
|
|
codeHash := common.BytesToHash(crypto.Keccak256(codeValue))
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
|
|
value, gotValue := trie.GetAccountCode(crypto.Keccak256(address[:]))
|
|
assert.False(t, gotValue, "should indicate that account exists with code but the code isn't in cache")
|
|
assert.Nil(t, value, "the value should be nil")
|
|
}
|
|
|
|
func TestCodeNodeGetExistingAccountEmptyCode(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
|
|
codeHash := EmptyCodeHash
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
|
|
value, gotValue := trie.GetAccountCode(crypto.Keccak256(address[:]))
|
|
assert.True(t, gotValue, "should indicate that account exists with empty code")
|
|
assert.Nil(t, value, "the value should be nil")
|
|
}
|
|
|
|
func TestCodeNodeWrongHash(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
|
|
codeValue1 := genRandomByteArrayOfLen(128)
|
|
codeHash1 := common.BytesToHash(crypto.Keccak256(codeValue1))
|
|
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash1
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
|
|
codeValue2 := genRandomByteArrayOfLen(128)
|
|
err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue2)
|
|
assert.Error(t, err, "should NOT be able to insert code with wrong hash")
|
|
}
|
|
|
|
func TestCodeNodeUpdateAccountAndCodeValidHash(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
|
|
codeValue1 := genRandomByteArrayOfLen(128)
|
|
codeHash1 := common.BytesToHash(crypto.Keccak256(codeValue1))
|
|
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash1
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue1)
|
|
assert.Nil(t, err, "should successfully insert code")
|
|
|
|
codeValue2 := genRandomByteArrayOfLen(128)
|
|
codeHash2 := common.BytesToHash(crypto.Keccak256(codeValue2))
|
|
|
|
acc.CodeHash = codeHash2
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
err = trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue2)
|
|
assert.Nil(t, err, "should successfully insert code")
|
|
}
|
|
|
|
func TestCodeNodeUpdateAccountAndCodeInvalidHash(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
|
|
codeValue1 := genRandomByteArrayOfLen(128)
|
|
codeHash1 := common.BytesToHash(crypto.Keccak256(codeValue1))
|
|
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash1
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue1)
|
|
assert.Nil(t, err, "should successfully insert code")
|
|
|
|
codeValue2 := genRandomByteArrayOfLen(128)
|
|
codeHash2 := common.BytesToHash(crypto.Keccak256(codeValue2))
|
|
|
|
codeValue3 := genRandomByteArrayOfLen(128)
|
|
|
|
acc.CodeHash = codeHash2
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
err = trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue3)
|
|
assert.Error(t, err, "should NOT be able to insert code with wrong hash")
|
|
}
|
|
|
|
func TestCodeNodeUpdateAccountChangeCodeHash(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
|
|
codeValue1 := genRandomByteArrayOfLen(128)
|
|
codeHash1 := common.BytesToHash(crypto.Keccak256(codeValue1))
|
|
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash1
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue1)
|
|
assert.Nil(t, err, "should successfully insert code")
|
|
|
|
codeValue2 := genRandomByteArrayOfLen(128)
|
|
codeHash2 := common.BytesToHash(crypto.Keccak256(codeValue2))
|
|
|
|
acc.CodeHash = codeHash2
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
value, gotValue := trie.GetAccountCode(crypto.Keccak256(address[:]))
|
|
assert.Nil(t, value, "the value should reset after the code change happen")
|
|
assert.False(t, gotValue, "should indicate that the code isn't in the cache")
|
|
}
|
|
|
|
func TestCodeNodeUpdateAccountNoChangeCodeHash(t *testing.T) {
|
|
trie := newEmpty()
|
|
|
|
random := rand.New(rand.NewSource(0))
|
|
|
|
address := getAddressForIndex(0)
|
|
|
|
codeValue1 := genRandomByteArrayOfLen(128)
|
|
codeHash1 := common.BytesToHash(crypto.Keccak256(codeValue1))
|
|
|
|
balance := new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
|
|
acc := accounts.NewAccount()
|
|
acc.Nonce = uint64(random.Int63())
|
|
acc.Balance.SetFromBig(balance)
|
|
acc.Root = EmptyRoot
|
|
acc.CodeHash = codeHash1
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
err := trie.UpdateAccountCode(crypto.Keccak256(address[:]), codeValue1)
|
|
assert.Nil(t, err, "should successfully insert code")
|
|
|
|
acc.Nonce = uint64(random.Int63())
|
|
balance = new(big.Int).Rand(random, new(big.Int).Exp(common.Big2, common.Big256, nil))
|
|
acc.Balance.SetFromBig(balance)
|
|
|
|
trie.UpdateAccount(crypto.Keccak256(address[:]), &acc)
|
|
value, gotValue := trie.GetAccountCode(crypto.Keccak256(address[:]))
|
|
assert.Equal(t, codeValue1, value, "the value should NOT reset after account's non codehash had changed")
|
|
assert.True(t, gotValue, "should indicate that the code is still in the cache")
|
|
}
|
|
|
|
func TestNextSubtreeHex(t *testing.T) {
|
|
assert := assert.New(t)
|
|
|
|
type tc struct {
|
|
prev, next string
|
|
expect bool
|
|
}
|
|
|
|
cases := []tc{
|
|
{prev: "", next: "00", expect: true},
|
|
{prev: "", next: "0000", expect: true},
|
|
{prev: "", next: "01", expect: false},
|
|
{prev: "00", next: "01", expect: true},
|
|
{prev: "01020304", next: "01020305", expect: true},
|
|
{prev: "01020f0f", next: "0103", expect: true},
|
|
{prev: "01020f0f", next: "0103000000000000", expect: true},
|
|
{prev: "01020304", next: "05060708", expect: false},
|
|
{prev: "0f0f0d", next: "0f0f0e", expect: true},
|
|
{prev: "0f", next: "", expect: true},
|
|
{prev: "0f01", next: "", expect: false},
|
|
}
|
|
|
|
for _, tc := range cases {
|
|
res := isDenseSequence(common.FromHex(tc.prev), common.FromHex(tc.next))
|
|
assert.Equal(tc.expect, res, "%s, %s", tc.prev, tc.next)
|
|
}
|
|
}
|
|
|
|
//func TestIHCursorCanUseNextParent(t *testing.T) {
|
|
// db, assert := ethdb.NewMemDatabase(), require.New(t)
|
|
// defer db.Close()
|
|
// hash := fmt.Sprintf("%064d", 0)
|
|
//
|
|
// ih := AccTrie(nil, nil, nil, nil)
|
|
//
|
|
// ih.k[1], ih.v[1], ih.hasTree[1] = common.FromHex("00"), common.FromHex(hash+hash), 0b0000000000000110
|
|
// ih.k[2], ih.v[2], ih.hasTree[2] = common.FromHex("0001"), common.FromHex(hash), 0b1000000000000000
|
|
// ih.lvl = 2
|
|
// ih.hashID[2] = 1
|
|
// ih.hashID[1] = 0
|
|
// assert.True(ih._nextSiblingOfParentInMem())
|
|
// assert.Equal(ih.k[ih.lvl], common.FromHex("00"))
|
|
//
|
|
// ih.k[1], ih.v[1], ih.hasTree[1] = common.FromHex("00"), common.FromHex(hash+hash), 0b0000000000000110
|
|
// ih.k[3], ih.v[3], ih.hasTree[3] = common.FromHex("000101"), common.FromHex(hash), 0b1000000000000000
|
|
// ih.lvl = 3
|
|
// ih.hashID[3] = 1
|
|
// ih.hashID[1] = 0
|
|
// assert.True(ih._nextSiblingOfParentInMem())
|
|
// assert.Equal(ih.k[ih.lvl], common.FromHex("00"))
|
|
//
|
|
//}
|
|
//
|
|
//func _TestEmptyRoot(t *testing.T) {
|
|
// sc := shards.NewStateCache(32, 64*1024)
|
|
//
|
|
// sc.SetAccountHashesRead(common.FromHex("00"), 0b111, 0b111, 0b111, []common.Hash{{}, {}, {}})
|
|
// sc.SetAccountHashesRead(common.FromHex("01"), 0b111, 0b111, 0b111, []common.Hash{{}, {}, {}})
|
|
// sc.SetAccountHashesRead(common.FromHex("02"), 0b111, 0b111, 0b111, []common.Hash{{}, {}, {}})
|
|
//
|
|
// rl := NewRetainList(0)
|
|
// rl.AddHex(common.FromHex("01"))
|
|
// rl.AddHex(common.FromHex("0101"))
|
|
// canUse := func(prefix []byte) bool { return !rl.Retain(prefix) }
|
|
// i := 0
|
|
// if err := sc.AccountTree([]byte{}, func(ihK []byte, h common.Hash, hasTree, skipState bool) (toChild bool, err error) {
|
|
// i++
|
|
// switch i {
|
|
// case 1:
|
|
// assert.Equal(t, common.FromHex("0001"), ihK)
|
|
// case 2:
|
|
// assert.Equal(t, common.FromHex("0100"), ihK)
|
|
// case 3:
|
|
// assert.Equal(t, common.FromHex("0102"), ihK)
|
|
// case 4:
|
|
// assert.Equal(t, common.FromHex("0202"), ihK)
|
|
// }
|
|
// if ok := canUse(ihK); ok {
|
|
// return false, nil
|
|
// }
|
|
// return hasTree, nil
|
|
// }, func(cur []byte) {
|
|
// panic(fmt.Errorf("key %x not found in cache", cur))
|
|
// }); err != nil {
|
|
// t.Fatal(err)
|
|
// }
|
|
//}
|