forked from cerc-io/plugeth
8d066f1f42
This commit replaces ioutil.TempDir with t.TempDir in tests. The
directory created by t.TempDir is automatically removed when the test
and all its subtests complete.
Prior to this commit, temporary directory created using ioutil.TempDir
had to be removed manually by calling os.RemoveAll, which is omitted in
some tests. The error handling boilerplate e.g.
defer func() {
if err := os.RemoveAll(dir); err != nil {
t.Fatal(err)
}
}
is also tedious, but t.TempDir handles this for us nicely.
Reference: https://pkg.go.dev/testing#T.TempDir
Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>
323 lines
9.4 KiB
Go
323 lines
9.4 KiB
Go
// Copyright 2015 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 core
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import (
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"crypto/ecdsa"
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"math/big"
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"testing"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/math"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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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/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/params"
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)
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func BenchmarkInsertChain_empty_memdb(b *testing.B) {
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benchInsertChain(b, false, nil)
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}
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func BenchmarkInsertChain_empty_diskdb(b *testing.B) {
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benchInsertChain(b, true, nil)
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}
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func BenchmarkInsertChain_valueTx_memdb(b *testing.B) {
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benchInsertChain(b, false, genValueTx(0))
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}
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func BenchmarkInsertChain_valueTx_diskdb(b *testing.B) {
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benchInsertChain(b, true, genValueTx(0))
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}
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func BenchmarkInsertChain_valueTx_100kB_memdb(b *testing.B) {
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benchInsertChain(b, false, genValueTx(100*1024))
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}
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func BenchmarkInsertChain_valueTx_100kB_diskdb(b *testing.B) {
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benchInsertChain(b, true, genValueTx(100*1024))
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}
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func BenchmarkInsertChain_uncles_memdb(b *testing.B) {
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benchInsertChain(b, false, genUncles)
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}
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func BenchmarkInsertChain_uncles_diskdb(b *testing.B) {
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benchInsertChain(b, true, genUncles)
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}
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func BenchmarkInsertChain_ring200_memdb(b *testing.B) {
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benchInsertChain(b, false, genTxRing(200))
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}
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func BenchmarkInsertChain_ring200_diskdb(b *testing.B) {
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benchInsertChain(b, true, genTxRing(200))
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}
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func BenchmarkInsertChain_ring1000_memdb(b *testing.B) {
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benchInsertChain(b, false, genTxRing(1000))
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}
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func BenchmarkInsertChain_ring1000_diskdb(b *testing.B) {
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benchInsertChain(b, true, genTxRing(1000))
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}
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var (
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// This is the content of the genesis block used by the benchmarks.
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benchRootKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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benchRootAddr = crypto.PubkeyToAddress(benchRootKey.PublicKey)
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benchRootFunds = math.BigPow(2, 200)
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)
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// genValueTx returns a block generator that includes a single
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// value-transfer transaction with n bytes of extra data in each
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// block.
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func genValueTx(nbytes int) func(int, *BlockGen) {
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return func(i int, gen *BlockGen) {
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toaddr := common.Address{}
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data := make([]byte, nbytes)
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gas, _ := IntrinsicGas(data, nil, false, false, false)
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signer := types.MakeSigner(gen.config, big.NewInt(int64(i)))
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gasPrice := big.NewInt(0)
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if gen.header.BaseFee != nil {
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gasPrice = gen.header.BaseFee
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}
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tx, _ := types.SignNewTx(benchRootKey, signer, &types.LegacyTx{
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Nonce: gen.TxNonce(benchRootAddr),
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To: &toaddr,
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Value: big.NewInt(1),
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Gas: gas,
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Data: data,
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GasPrice: gasPrice,
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})
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gen.AddTx(tx)
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}
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}
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var (
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ringKeys = make([]*ecdsa.PrivateKey, 1000)
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ringAddrs = make([]common.Address, len(ringKeys))
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)
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func init() {
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ringKeys[0] = benchRootKey
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ringAddrs[0] = benchRootAddr
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for i := 1; i < len(ringKeys); i++ {
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ringKeys[i], _ = crypto.GenerateKey()
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ringAddrs[i] = crypto.PubkeyToAddress(ringKeys[i].PublicKey)
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}
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}
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// genTxRing returns a block generator that sends ether in a ring
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// among n accounts. This is creates n entries in the state database
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// and fills the blocks with many small transactions.
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func genTxRing(naccounts int) func(int, *BlockGen) {
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from := 0
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availableFunds := new(big.Int).Set(benchRootFunds)
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return func(i int, gen *BlockGen) {
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block := gen.PrevBlock(i - 1)
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gas := block.GasLimit()
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gasPrice := big.NewInt(0)
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if gen.header.BaseFee != nil {
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gasPrice = gen.header.BaseFee
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}
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signer := types.MakeSigner(gen.config, big.NewInt(int64(i)))
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for {
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gas -= params.TxGas
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if gas < params.TxGas {
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break
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}
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to := (from + 1) % naccounts
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burn := new(big.Int).SetUint64(params.TxGas)
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burn.Mul(burn, gen.header.BaseFee)
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availableFunds.Sub(availableFunds, burn)
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if availableFunds.Cmp(big.NewInt(1)) < 0 {
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panic("not enough funds")
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}
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tx, err := types.SignNewTx(ringKeys[from], signer,
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&types.LegacyTx{
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Nonce: gen.TxNonce(ringAddrs[from]),
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To: &ringAddrs[to],
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Value: availableFunds,
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Gas: params.TxGas,
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GasPrice: gasPrice,
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})
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if err != nil {
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panic(err)
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}
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gen.AddTx(tx)
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from = to
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}
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}
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}
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// genUncles generates blocks with two uncle headers.
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func genUncles(i int, gen *BlockGen) {
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if i >= 6 {
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b2 := gen.PrevBlock(i - 6).Header()
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b2.Extra = []byte("foo")
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gen.AddUncle(b2)
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b3 := gen.PrevBlock(i - 6).Header()
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b3.Extra = []byte("bar")
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gen.AddUncle(b3)
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}
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}
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func benchInsertChain(b *testing.B, disk bool, gen func(int, *BlockGen)) {
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// Create the database in memory or in a temporary directory.
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var db ethdb.Database
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var err error
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if !disk {
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db = rawdb.NewMemoryDatabase()
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} else {
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dir := b.TempDir()
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db, err = rawdb.NewLevelDBDatabase(dir, 128, 128, "", false)
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if err != nil {
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b.Fatalf("cannot create temporary database: %v", err)
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}
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defer db.Close()
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}
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// Generate a chain of b.N blocks using the supplied block
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// generator function.
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gspec := Genesis{
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Config: params.TestChainConfig,
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Alloc: GenesisAlloc{benchRootAddr: {Balance: benchRootFunds}},
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}
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genesis := gspec.MustCommit(db)
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chain, _ := GenerateChain(gspec.Config, genesis, ethash.NewFaker(), db, b.N, gen)
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// Time the insertion of the new chain.
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// State and blocks are stored in the same DB.
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chainman, _ := NewBlockChain(db, nil, gspec.Config, ethash.NewFaker(), vm.Config{}, nil, nil)
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defer chainman.Stop()
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b.ReportAllocs()
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b.ResetTimer()
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if i, err := chainman.InsertChain(chain); err != nil {
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b.Fatalf("insert error (block %d): %v\n", i, err)
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}
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}
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func BenchmarkChainRead_header_10k(b *testing.B) {
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benchReadChain(b, false, 10000)
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}
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func BenchmarkChainRead_full_10k(b *testing.B) {
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benchReadChain(b, true, 10000)
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}
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func BenchmarkChainRead_header_100k(b *testing.B) {
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benchReadChain(b, false, 100000)
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}
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func BenchmarkChainRead_full_100k(b *testing.B) {
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benchReadChain(b, true, 100000)
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}
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func BenchmarkChainRead_header_500k(b *testing.B) {
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benchReadChain(b, false, 500000)
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}
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func BenchmarkChainRead_full_500k(b *testing.B) {
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benchReadChain(b, true, 500000)
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}
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func BenchmarkChainWrite_header_10k(b *testing.B) {
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benchWriteChain(b, false, 10000)
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}
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func BenchmarkChainWrite_full_10k(b *testing.B) {
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benchWriteChain(b, true, 10000)
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}
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func BenchmarkChainWrite_header_100k(b *testing.B) {
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benchWriteChain(b, false, 100000)
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}
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func BenchmarkChainWrite_full_100k(b *testing.B) {
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benchWriteChain(b, true, 100000)
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}
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func BenchmarkChainWrite_header_500k(b *testing.B) {
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benchWriteChain(b, false, 500000)
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}
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func BenchmarkChainWrite_full_500k(b *testing.B) {
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benchWriteChain(b, true, 500000)
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}
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// makeChainForBench writes a given number of headers or empty blocks/receipts
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// into a database.
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func makeChainForBench(db ethdb.Database, full bool, count uint64) {
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var hash common.Hash
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for n := uint64(0); n < count; n++ {
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header := &types.Header{
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Coinbase: common.Address{},
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Number: big.NewInt(int64(n)),
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ParentHash: hash,
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Difficulty: big.NewInt(1),
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UncleHash: types.EmptyUncleHash,
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TxHash: types.EmptyRootHash,
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ReceiptHash: types.EmptyRootHash,
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}
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hash = header.Hash()
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rawdb.WriteHeader(db, header)
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rawdb.WriteCanonicalHash(db, hash, n)
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rawdb.WriteTd(db, hash, n, big.NewInt(int64(n+1)))
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if full || n == 0 {
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block := types.NewBlockWithHeader(header)
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rawdb.WriteBody(db, hash, n, block.Body())
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rawdb.WriteReceipts(db, hash, n, nil)
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rawdb.WriteHeadBlockHash(db, hash)
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}
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}
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}
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func benchWriteChain(b *testing.B, full bool, count uint64) {
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for i := 0; i < b.N; i++ {
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dir := b.TempDir()
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db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "", false)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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makeChainForBench(db, full, count)
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db.Close()
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}
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}
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func benchReadChain(b *testing.B, full bool, count uint64) {
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dir := b.TempDir()
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db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "", false)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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makeChainForBench(db, full, count)
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db.Close()
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cacheConfig := *defaultCacheConfig
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cacheConfig.TrieDirtyDisabled = true
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b.ReportAllocs()
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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db, err := rawdb.NewLevelDBDatabase(dir, 128, 1024, "", false)
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if err != nil {
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b.Fatalf("error opening database at %v: %v", dir, err)
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}
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chain, err := NewBlockChain(db, &cacheConfig, params.TestChainConfig, ethash.NewFaker(), vm.Config{}, nil, nil)
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if err != nil {
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b.Fatalf("error creating chain: %v", err)
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}
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for n := uint64(0); n < count; n++ {
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header := chain.GetHeaderByNumber(n)
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if full {
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hash := header.Hash()
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rawdb.ReadBody(db, hash, n)
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rawdb.ReadReceipts(db, hash, n, chain.Config())
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}
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}
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chain.Stop()
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db.Close()
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}
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}
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