forked from cerc-io/ipld-eth-server
635 lines
19 KiB
Go
635 lines
19 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package wire
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import (
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"bytes"
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"compress/bzip2"
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"testing"
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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)
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// genesisCoinbaseTx is the coinbase transaction for the genesis blocks for
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// the main network, regression test network, and test network (version 3).
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var genesisCoinbaseTx = MsgTx{
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Version: 1,
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TxIn: []*TxIn{
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{
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PreviousOutPoint: OutPoint{
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Hash: chainhash.Hash{},
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Index: 0xffffffff,
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},
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SignatureScript: []byte{
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0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, 0x45, /* |.......E| */
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0x54, 0x68, 0x65, 0x20, 0x54, 0x69, 0x6d, 0x65, /* |The Time| */
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0x73, 0x20, 0x30, 0x33, 0x2f, 0x4a, 0x61, 0x6e, /* |s 03/Jan| */
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0x2f, 0x32, 0x30, 0x30, 0x39, 0x20, 0x43, 0x68, /* |/2009 Ch| */
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0x61, 0x6e, 0x63, 0x65, 0x6c, 0x6c, 0x6f, 0x72, /* |ancellor| */
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0x20, 0x6f, 0x6e, 0x20, 0x62, 0x72, 0x69, 0x6e, /* | on brin| */
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0x6b, 0x20, 0x6f, 0x66, 0x20, 0x73, 0x65, 0x63, /* |k of sec|*/
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0x6f, 0x6e, 0x64, 0x20, 0x62, 0x61, 0x69, 0x6c, /* |ond bail| */
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0x6f, 0x75, 0x74, 0x20, 0x66, 0x6f, 0x72, 0x20, /* |out for |*/
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0x62, 0x61, 0x6e, 0x6b, 0x73, /* |banks| */
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},
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Sequence: 0xffffffff,
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},
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},
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TxOut: []*TxOut{
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{
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Value: 0x12a05f200,
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PkScript: []byte{
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0x41, 0x04, 0x67, 0x8a, 0xfd, 0xb0, 0xfe, 0x55, /* |A.g....U| */
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0x48, 0x27, 0x19, 0x67, 0xf1, 0xa6, 0x71, 0x30, /* |H'.g..q0| */
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0xb7, 0x10, 0x5c, 0xd6, 0xa8, 0x28, 0xe0, 0x39, /* |..\..(.9| */
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0x09, 0xa6, 0x79, 0x62, 0xe0, 0xea, 0x1f, 0x61, /* |..yb...a| */
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0xde, 0xb6, 0x49, 0xf6, 0xbc, 0x3f, 0x4c, 0xef, /* |..I..?L.| */
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0x38, 0xc4, 0xf3, 0x55, 0x04, 0xe5, 0x1e, 0xc1, /* |8..U....| */
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0x12, 0xde, 0x5c, 0x38, 0x4d, 0xf7, 0xba, 0x0b, /* |..\8M...| */
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0x8d, 0x57, 0x8a, 0x4c, 0x70, 0x2b, 0x6b, 0xf1, /* |.W.Lp+k.| */
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0x1d, 0x5f, 0xac, /* |._.| */
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},
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},
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},
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LockTime: 0,
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}
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// BenchmarkWriteVarInt1 performs a benchmark on how long it takes to write
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// a single byte variable length integer.
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func BenchmarkWriteVarInt1(b *testing.B) {
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for i := 0; i < b.N; i++ {
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WriteVarInt(ioutil.Discard, 0, 1)
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}
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}
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// BenchmarkWriteVarInt3 performs a benchmark on how long it takes to write
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// a three byte variable length integer.
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func BenchmarkWriteVarInt3(b *testing.B) {
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for i := 0; i < b.N; i++ {
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WriteVarInt(ioutil.Discard, 0, 65535)
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}
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}
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// BenchmarkWriteVarInt5 performs a benchmark on how long it takes to write
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// a five byte variable length integer.
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func BenchmarkWriteVarInt5(b *testing.B) {
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for i := 0; i < b.N; i++ {
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WriteVarInt(ioutil.Discard, 0, 4294967295)
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}
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}
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// BenchmarkWriteVarInt9 performs a benchmark on how long it takes to write
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// a nine byte variable length integer.
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func BenchmarkWriteVarInt9(b *testing.B) {
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for i := 0; i < b.N; i++ {
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WriteVarInt(ioutil.Discard, 0, 18446744073709551615)
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}
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}
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// BenchmarkReadVarInt1 performs a benchmark on how long it takes to read
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// a single byte variable length integer.
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func BenchmarkReadVarInt1(b *testing.B) {
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buf := []byte{0x01}
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r := bytes.NewReader(buf)
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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ReadVarInt(r, 0)
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}
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}
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// BenchmarkReadVarInt3 performs a benchmark on how long it takes to read
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// a three byte variable length integer.
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func BenchmarkReadVarInt3(b *testing.B) {
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buf := []byte{0x0fd, 0xff, 0xff}
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r := bytes.NewReader(buf)
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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ReadVarInt(r, 0)
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}
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}
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// BenchmarkReadVarInt5 performs a benchmark on how long it takes to read
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// a five byte variable length integer.
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func BenchmarkReadVarInt5(b *testing.B) {
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buf := []byte{0xfe, 0xff, 0xff, 0xff, 0xff}
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r := bytes.NewReader(buf)
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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ReadVarInt(r, 0)
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}
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}
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// BenchmarkReadVarInt9 performs a benchmark on how long it takes to read
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// a nine byte variable length integer.
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func BenchmarkReadVarInt9(b *testing.B) {
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buf := []byte{0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff}
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r := bytes.NewReader(buf)
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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ReadVarInt(r, 0)
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}
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}
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// BenchmarkReadVarStr4 performs a benchmark on how long it takes to read a
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// four byte variable length string.
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func BenchmarkReadVarStr4(b *testing.B) {
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buf := []byte{0x04, 't', 'e', 's', 't'}
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r := bytes.NewReader(buf)
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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ReadVarString(r, 0)
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}
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}
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// BenchmarkReadVarStr10 performs a benchmark on how long it takes to read a
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// ten byte variable length string.
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func BenchmarkReadVarStr10(b *testing.B) {
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buf := []byte{0x0a, 't', 'e', 's', 't', '0', '1', '2', '3', '4', '5'}
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r := bytes.NewReader(buf)
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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ReadVarString(r, 0)
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}
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}
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// BenchmarkWriteVarStr4 performs a benchmark on how long it takes to write a
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// four byte variable length string.
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func BenchmarkWriteVarStr4(b *testing.B) {
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for i := 0; i < b.N; i++ {
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WriteVarString(ioutil.Discard, 0, "test")
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}
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}
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// BenchmarkWriteVarStr10 performs a benchmark on how long it takes to write a
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// ten byte variable length string.
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func BenchmarkWriteVarStr10(b *testing.B) {
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for i := 0; i < b.N; i++ {
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WriteVarString(ioutil.Discard, 0, "test012345")
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}
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}
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// BenchmarkReadOutPoint performs a benchmark on how long it takes to read a
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// transaction output point.
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func BenchmarkReadOutPoint(b *testing.B) {
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buf := []byte{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Previous output hash
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0xff, 0xff, 0xff, 0xff, // Previous output index
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}
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r := bytes.NewReader(buf)
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var op OutPoint
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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readOutPoint(r, 0, 0, &op)
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}
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}
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// BenchmarkWriteOutPoint performs a benchmark on how long it takes to write a
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// transaction output point.
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func BenchmarkWriteOutPoint(b *testing.B) {
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op := &OutPoint{
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Hash: chainhash.Hash{},
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Index: 0,
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}
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for i := 0; i < b.N; i++ {
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writeOutPoint(ioutil.Discard, 0, 0, op)
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}
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}
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// BenchmarkReadTxOut performs a benchmark on how long it takes to read a
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// transaction output.
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func BenchmarkReadTxOut(b *testing.B) {
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buf := []byte{
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0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, // Transaction amount
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0x43, // Varint for length of pk script
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0x41, // OP_DATA_65
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0x04, 0x96, 0xb5, 0x38, 0xe8, 0x53, 0x51, 0x9c,
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0x72, 0x6a, 0x2c, 0x91, 0xe6, 0x1e, 0xc1, 0x16,
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0x00, 0xae, 0x13, 0x90, 0x81, 0x3a, 0x62, 0x7c,
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0x66, 0xfb, 0x8b, 0xe7, 0x94, 0x7b, 0xe6, 0x3c,
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0x52, 0xda, 0x75, 0x89, 0x37, 0x95, 0x15, 0xd4,
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0xe0, 0xa6, 0x04, 0xf8, 0x14, 0x17, 0x81, 0xe6,
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0x22, 0x94, 0x72, 0x11, 0x66, 0xbf, 0x62, 0x1e,
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0x73, 0xa8, 0x2c, 0xbf, 0x23, 0x42, 0xc8, 0x58,
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0xee, // 65-byte signature
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0xac, // OP_CHECKSIG
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}
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r := bytes.NewReader(buf)
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var txOut TxOut
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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readTxOut(r, 0, 0, &txOut)
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scriptPool.Return(txOut.PkScript)
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}
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}
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// BenchmarkWriteTxOut performs a benchmark on how long it takes to write
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// a transaction output.
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func BenchmarkWriteTxOut(b *testing.B) {
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txOut := blockOne.Transactions[0].TxOut[0]
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for i := 0; i < b.N; i++ {
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WriteTxOut(ioutil.Discard, 0, 0, txOut)
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}
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}
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// BenchmarkReadTxIn performs a benchmark on how long it takes to read a
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// transaction input.
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func BenchmarkReadTxIn(b *testing.B) {
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buf := []byte{
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Previous output hash
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0xff, 0xff, 0xff, 0xff, // Previous output index
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0x07, // Varint for length of signature script
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0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, // Signature script
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0xff, 0xff, 0xff, 0xff, // Sequence
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}
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r := bytes.NewReader(buf)
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var txIn TxIn
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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readTxIn(r, 0, 0, &txIn)
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scriptPool.Return(txIn.SignatureScript)
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}
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}
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// BenchmarkWriteTxIn performs a benchmark on how long it takes to write
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// a transaction input.
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func BenchmarkWriteTxIn(b *testing.B) {
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txIn := blockOne.Transactions[0].TxIn[0]
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for i := 0; i < b.N; i++ {
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writeTxIn(ioutil.Discard, 0, 0, txIn)
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}
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}
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// BenchmarkDeserializeTx performs a benchmark on how long it takes to
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// deserialize a small transaction.
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func BenchmarkDeserializeTxSmall(b *testing.B) {
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buf := []byte{
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0x01, 0x00, 0x00, 0x00, // Version
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0x01, // Varint for number of input transactions
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // // Previous output hash
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0xff, 0xff, 0xff, 0xff, // Prevous output index
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0x07, // Varint for length of signature script
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0x04, 0xff, 0xff, 0x00, 0x1d, 0x01, 0x04, // Signature script
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0xff, 0xff, 0xff, 0xff, // Sequence
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0x01, // Varint for number of output transactions
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0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, // Transaction amount
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0x43, // Varint for length of pk script
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0x41, // OP_DATA_65
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0x04, 0x96, 0xb5, 0x38, 0xe8, 0x53, 0x51, 0x9c,
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0x72, 0x6a, 0x2c, 0x91, 0xe6, 0x1e, 0xc1, 0x16,
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0x00, 0xae, 0x13, 0x90, 0x81, 0x3a, 0x62, 0x7c,
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0x66, 0xfb, 0x8b, 0xe7, 0x94, 0x7b, 0xe6, 0x3c,
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0x52, 0xda, 0x75, 0x89, 0x37, 0x95, 0x15, 0xd4,
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0xe0, 0xa6, 0x04, 0xf8, 0x14, 0x17, 0x81, 0xe6,
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0x22, 0x94, 0x72, 0x11, 0x66, 0xbf, 0x62, 0x1e,
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0x73, 0xa8, 0x2c, 0xbf, 0x23, 0x42, 0xc8, 0x58,
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0xee, // 65-byte signature
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0xac, // OP_CHECKSIG
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0x00, 0x00, 0x00, 0x00, // Lock time
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}
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r := bytes.NewReader(buf)
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var tx MsgTx
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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tx.Deserialize(r)
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}
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}
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// BenchmarkDeserializeTxLarge performs a benchmark on how long it takes to
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// deserialize a very large transaction.
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func BenchmarkDeserializeTxLarge(b *testing.B) {
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// tx bb41a757f405890fb0f5856228e23b715702d714d59bf2b1feb70d8b2b4e3e08
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// from the main block chain.
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fi, err := os.Open("testdata/megatx.bin.bz2")
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if err != nil {
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b.Fatalf("Failed to read transaction data: %v", err)
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}
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defer fi.Close()
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buf, err := ioutil.ReadAll(bzip2.NewReader(fi))
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if err != nil {
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b.Fatalf("Failed to read transaction data: %v", err)
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}
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r := bytes.NewReader(buf)
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var tx MsgTx
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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tx.Deserialize(r)
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}
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}
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// BenchmarkSerializeTx performs a benchmark on how long it takes to serialize
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// a transaction.
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func BenchmarkSerializeTx(b *testing.B) {
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tx := blockOne.Transactions[0]
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for i := 0; i < b.N; i++ {
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tx.Serialize(ioutil.Discard)
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}
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}
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// BenchmarkReadBlockHeader performs a benchmark on how long it takes to
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// deserialize a block header.
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func BenchmarkReadBlockHeader(b *testing.B) {
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buf := []byte{
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0x01, 0x00, 0x00, 0x00, // Version 1
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0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
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0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
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0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
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0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
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0x3b, 0xa3, 0xed, 0xfd, 0x7a, 0x7b, 0x12, 0xb2,
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0x7a, 0xc7, 0x2c, 0x3e, 0x67, 0x76, 0x8f, 0x61,
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0x7f, 0xc8, 0x1b, 0xc3, 0x88, 0x8a, 0x51, 0x32,
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0x3a, 0x9f, 0xb8, 0xaa, 0x4b, 0x1e, 0x5e, 0x4a, // MerkleRoot
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0x29, 0xab, 0x5f, 0x49, // Timestamp
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0xff, 0xff, 0x00, 0x1d, // Bits
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0xf3, 0xe0, 0x01, 0x00, // Nonce
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0x00, // TxnCount Varint
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}
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r := bytes.NewReader(buf)
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var header BlockHeader
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for i := 0; i < b.N; i++ {
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r.Seek(0, 0)
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readBlockHeader(r, 0, &header)
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}
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}
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// BenchmarkWriteBlockHeader performs a benchmark on how long it takes to
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// serialize a block header.
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func BenchmarkWriteBlockHeader(b *testing.B) {
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header := blockOne.Header
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for i := 0; i < b.N; i++ {
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writeBlockHeader(ioutil.Discard, 0, &header)
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}
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}
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// BenchmarkDecodeGetHeaders performs a benchmark on how long it takes to
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// decode a getheaders message with the maximum number of block locator hashes.
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func BenchmarkDecodeGetHeaders(b *testing.B) {
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// Create a message with the maximum number of block locators.
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pver := ProtocolVersion
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var m MsgGetHeaders
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for i := 0; i < MaxBlockLocatorsPerMsg; i++ {
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hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", i))
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if err != nil {
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b.Fatalf("NewHashFromStr: unexpected error: %v", err)
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}
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m.AddBlockLocatorHash(hash)
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}
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// Serialize it so the bytes are available to test the decode below.
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var bb bytes.Buffer
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if err := m.BtcEncode(&bb, pver, LatestEncoding); err != nil {
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|
b.Fatalf("MsgGetHeaders.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgGetHeaders
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeHeaders performs a benchmark on how long it takes to
|
|
// decode a headers message with the maximum number of headers.
|
|
func BenchmarkDecodeHeaders(b *testing.B) {
|
|
// Create a message with the maximum number of headers.
|
|
pver := ProtocolVersion
|
|
var m MsgHeaders
|
|
for i := 0; i < MaxBlockHeadersPerMsg; i++ {
|
|
hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", i))
|
|
if err != nil {
|
|
b.Fatalf("NewHashFromStr: unexpected error: %v", err)
|
|
}
|
|
m.AddBlockHeader(NewBlockHeader(1, hash, hash, 0, uint32(i)))
|
|
}
|
|
|
|
// Serialize it so the bytes are available to test the decode below.
|
|
var bb bytes.Buffer
|
|
if err := m.BtcEncode(&bb, pver, LatestEncoding); err != nil {
|
|
b.Fatalf("MsgHeaders.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgHeaders
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeGetBlocks performs a benchmark on how long it takes to
|
|
// decode a getblocks message with the maximum number of block locator hashes.
|
|
func BenchmarkDecodeGetBlocks(b *testing.B) {
|
|
// Create a message with the maximum number of block locators.
|
|
pver := ProtocolVersion
|
|
var m MsgGetBlocks
|
|
for i := 0; i < MaxBlockLocatorsPerMsg; i++ {
|
|
hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", i))
|
|
if err != nil {
|
|
b.Fatalf("NewHashFromStr: unexpected error: %v", err)
|
|
}
|
|
m.AddBlockLocatorHash(hash)
|
|
}
|
|
|
|
// Serialize it so the bytes are available to test the decode below.
|
|
var bb bytes.Buffer
|
|
if err := m.BtcEncode(&bb, pver, LatestEncoding); err != nil {
|
|
b.Fatalf("MsgGetBlocks.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgGetBlocks
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeAddr performs a benchmark on how long it takes to decode an
|
|
// addr message with the maximum number of addresses.
|
|
func BenchmarkDecodeAddr(b *testing.B) {
|
|
// Create a message with the maximum number of addresses.
|
|
pver := ProtocolVersion
|
|
ip := net.ParseIP("127.0.0.1")
|
|
ma := NewMsgAddr()
|
|
for port := uint16(0); port < MaxAddrPerMsg; port++ {
|
|
ma.AddAddress(NewNetAddressIPPort(ip, port, SFNodeNetwork))
|
|
}
|
|
|
|
// Serialize it so the bytes are available to test the decode below.
|
|
var bb bytes.Buffer
|
|
if err := ma.BtcEncode(&bb, pver, LatestEncoding); err != nil {
|
|
b.Fatalf("MsgAddr.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgAddr
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeInv performs a benchmark on how long it takes to decode an inv
|
|
// message with the maximum number of entries.
|
|
func BenchmarkDecodeInv(b *testing.B) {
|
|
// Create a message with the maximum number of entries.
|
|
pver := ProtocolVersion
|
|
var m MsgInv
|
|
for i := 0; i < MaxInvPerMsg; i++ {
|
|
hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", i))
|
|
if err != nil {
|
|
b.Fatalf("NewHashFromStr: unexpected error: %v", err)
|
|
}
|
|
m.AddInvVect(NewInvVect(InvTypeBlock, hash))
|
|
}
|
|
|
|
// Serialize it so the bytes are available to test the decode below.
|
|
var bb bytes.Buffer
|
|
if err := m.BtcEncode(&bb, pver, LatestEncoding); err != nil {
|
|
b.Fatalf("MsgInv.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgInv
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeNotFound performs a benchmark on how long it takes to decode
|
|
// a notfound message with the maximum number of entries.
|
|
func BenchmarkDecodeNotFound(b *testing.B) {
|
|
// Create a message with the maximum number of entries.
|
|
pver := ProtocolVersion
|
|
var m MsgNotFound
|
|
for i := 0; i < MaxInvPerMsg; i++ {
|
|
hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", i))
|
|
if err != nil {
|
|
b.Fatalf("NewHashFromStr: unexpected error: %v", err)
|
|
}
|
|
m.AddInvVect(NewInvVect(InvTypeBlock, hash))
|
|
}
|
|
|
|
// Serialize it so the bytes are available to test the decode below.
|
|
var bb bytes.Buffer
|
|
if err := m.BtcEncode(&bb, pver, LatestEncoding); err != nil {
|
|
b.Fatalf("MsgNotFound.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgNotFound
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDecodeMerkleBlock performs a benchmark on how long it takes to
|
|
// decode a reasonably sized merkleblock message.
|
|
func BenchmarkDecodeMerkleBlock(b *testing.B) {
|
|
// Create a message with random data.
|
|
pver := ProtocolVersion
|
|
var m MsgMerkleBlock
|
|
hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", 10000))
|
|
if err != nil {
|
|
b.Fatalf("NewHashFromStr: unexpected error: %v", err)
|
|
}
|
|
m.Header = *NewBlockHeader(1, hash, hash, 0, uint32(10000))
|
|
for i := 0; i < 105; i++ {
|
|
hash, err := chainhash.NewHashFromStr(fmt.Sprintf("%x", i))
|
|
if err != nil {
|
|
b.Fatalf("NewHashFromStr: unexpected error: %v", err)
|
|
}
|
|
m.AddTxHash(hash)
|
|
if i%8 == 0 {
|
|
m.Flags = append(m.Flags, uint8(i))
|
|
}
|
|
}
|
|
|
|
// Serialize it so the bytes are available to test the decode below.
|
|
var bb bytes.Buffer
|
|
if err := m.BtcEncode(&bb, pver, LatestEncoding); err != nil {
|
|
b.Fatalf("MsgMerkleBlock.BtcEncode: unexpected error: %v", err)
|
|
}
|
|
buf := bb.Bytes()
|
|
|
|
r := bytes.NewReader(buf)
|
|
var msg MsgMerkleBlock
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
r.Seek(0, 0)
|
|
msg.BtcDecode(r, pver, LatestEncoding)
|
|
}
|
|
}
|
|
|
|
// BenchmarkTxHash performs a benchmark on how long it takes to hash a
|
|
// transaction.
|
|
func BenchmarkTxHash(b *testing.B) {
|
|
for i := 0; i < b.N; i++ {
|
|
genesisCoinbaseTx.TxHash()
|
|
}
|
|
}
|
|
|
|
// BenchmarkDoubleHashB performs a benchmark on how long it takes to perform a
|
|
// double hash returning a byte slice.
|
|
func BenchmarkDoubleHashB(b *testing.B) {
|
|
var buf bytes.Buffer
|
|
if err := genesisCoinbaseTx.Serialize(&buf); err != nil {
|
|
b.Errorf("Serialize: unexpected error: %v", err)
|
|
return
|
|
}
|
|
txBytes := buf.Bytes()
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
_ = chainhash.DoubleHashB(txBytes)
|
|
}
|
|
}
|
|
|
|
// BenchmarkDoubleHashH performs a benchmark on how long it takes to perform
|
|
// a double hash returning a chainhash.Hash.
|
|
func BenchmarkDoubleHashH(b *testing.B) {
|
|
var buf bytes.Buffer
|
|
if err := genesisCoinbaseTx.Serialize(&buf); err != nil {
|
|
b.Errorf("Serialize: unexpected error: %v", err)
|
|
return
|
|
}
|
|
txBytes := buf.Bytes()
|
|
|
|
b.ResetTimer()
|
|
for i := 0; i < b.N; i++ {
|
|
_ = chainhash.DoubleHashH(txBytes)
|
|
}
|
|
}
|