eth/tracers: move tracecall tests to subpackage
This commit is contained in:
Martin Holst Swende
242
eth/tracers/testing/calltrace_test.go
Normal file
242
eth/tracers/testing/calltrace_test.go
Normal file
@ -0,0 +1,242 @@
|
|||||||
|
package testing
|
||||||
|
|
||||||
|
import (
|
||||||
|
"encoding/json"
|
||||||
|
"io/ioutil"
|
||||||
|
"math/big"
|
||||||
|
"path/filepath"
|
||||||
|
"reflect"
|
||||||
|
"strings"
|
||||||
|
"testing"
|
||||||
|
"unicode"
|
||||||
|
|
||||||
|
"github.com/ethereum/go-ethereum/common"
|
||||||
|
"github.com/ethereum/go-ethereum/common/hexutil"
|
||||||
|
"github.com/ethereum/go-ethereum/common/math"
|
||||||
|
"github.com/ethereum/go-ethereum/core"
|
||||||
|
"github.com/ethereum/go-ethereum/core/rawdb"
|
||||||
|
"github.com/ethereum/go-ethereum/core/types"
|
||||||
|
"github.com/ethereum/go-ethereum/core/vm"
|
||||||
|
"github.com/ethereum/go-ethereum/eth/tracers"
|
||||||
|
"github.com/ethereum/go-ethereum/rlp"
|
||||||
|
"github.com/ethereum/go-ethereum/tests"
|
||||||
|
// Force-load the native, to trigger registration
|
||||||
|
_ "github.com/ethereum/go-ethereum/eth/tracers/native"
|
||||||
|
)
|
||||||
|
|
||||||
|
type callContext struct {
|
||||||
|
Number math.HexOrDecimal64 `json:"number"`
|
||||||
|
Difficulty *math.HexOrDecimal256 `json:"difficulty"`
|
||||||
|
Time math.HexOrDecimal64 `json:"timestamp"`
|
||||||
|
GasLimit math.HexOrDecimal64 `json:"gasLimit"`
|
||||||
|
Miner common.Address `json:"miner"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// callTrace is the result of a callTracer run.
|
||||||
|
type callTrace struct {
|
||||||
|
Type string `json:"type"`
|
||||||
|
From common.Address `json:"from"`
|
||||||
|
To common.Address `json:"to"`
|
||||||
|
Input hexutil.Bytes `json:"input"`
|
||||||
|
Output hexutil.Bytes `json:"output"`
|
||||||
|
Gas *hexutil.Uint64 `json:"gas,omitempty"`
|
||||||
|
GasUsed *hexutil.Uint64 `json:"gasUsed,omitempty"`
|
||||||
|
Value *hexutil.Big `json:"value,omitempty"`
|
||||||
|
Error string `json:"error,omitempty"`
|
||||||
|
Calls []callTrace `json:"calls,omitempty"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// callTracerTest defines a single test to check the call tracer against.
|
||||||
|
type callTracerTest struct {
|
||||||
|
Genesis *core.Genesis `json:"genesis"`
|
||||||
|
Context *callContext `json:"context"`
|
||||||
|
Input string `json:"input"`
|
||||||
|
Result *callTrace `json:"result"`
|
||||||
|
}
|
||||||
|
|
||||||
|
// Iterates over all the input-output datasets in the tracer test harness and
|
||||||
|
// runs the JavaScript tracers against them.
|
||||||
|
func TestCallTracerLegacy(t *testing.T) {
|
||||||
|
testCallTracer("callTracerLegacy", "call_tracer_legacy", t)
|
||||||
|
}
|
||||||
|
|
||||||
|
func TestCallTracer(t *testing.T) {
|
||||||
|
testCallTracer("callTracer", "call_tracer", t)
|
||||||
|
}
|
||||||
|
|
||||||
|
func TestCallTracerNative(t *testing.T) {
|
||||||
|
testCallTracer("callTracerNative", "call_tracer", t)
|
||||||
|
}
|
||||||
|
|
||||||
|
func testCallTracer(tracerName string, dirPath string, t *testing.T) {
|
||||||
|
files, err := ioutil.ReadDir(filepath.Join("..", "testdata", dirPath))
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("failed to retrieve tracer test suite: %v", err)
|
||||||
|
}
|
||||||
|
for _, file := range files {
|
||||||
|
if !strings.HasSuffix(file.Name(), ".json") {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
file := file // capture range variable
|
||||||
|
t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
|
||||||
|
t.Parallel()
|
||||||
|
|
||||||
|
var (
|
||||||
|
test = new(callTracerTest)
|
||||||
|
tx = new(types.Transaction)
|
||||||
|
)
|
||||||
|
// Call tracer test found, read if from disk
|
||||||
|
if blob, err := ioutil.ReadFile(filepath.Join("..", "testdata", dirPath, file.Name())); err != nil {
|
||||||
|
t.Fatalf("failed to read testcase: %v", err)
|
||||||
|
} else if err := json.Unmarshal(blob, test); err != nil {
|
||||||
|
t.Fatalf("failed to parse testcase: %v", err)
|
||||||
|
}
|
||||||
|
if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
|
||||||
|
t.Fatalf("failed to parse testcase input: %v", err)
|
||||||
|
}
|
||||||
|
// Configure a blockchain with the given prestate
|
||||||
|
var (
|
||||||
|
signer = types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)))
|
||||||
|
origin, _ = signer.Sender(tx)
|
||||||
|
txContext = vm.TxContext{origin, tx.GasPrice()}
|
||||||
|
context = vm.BlockContext{
|
||||||
|
CanTransfer: core.CanTransfer,
|
||||||
|
Transfer: core.Transfer,
|
||||||
|
Coinbase: test.Context.Miner,
|
||||||
|
BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
|
||||||
|
Time: new(big.Int).SetUint64(uint64(test.Context.Time)),
|
||||||
|
Difficulty: (*big.Int)(test.Context.Difficulty),
|
||||||
|
GasLimit: uint64(test.Context.GasLimit),
|
||||||
|
}
|
||||||
|
_, statedb = tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
|
||||||
|
)
|
||||||
|
tracer, err := tracers.New(tracerName, new(tracers.Context))
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("failed to create call tracer: %v", err)
|
||||||
|
}
|
||||||
|
evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
|
||||||
|
msg, err := tx.AsMessage(signer, nil)
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("failed to prepare transaction for tracing: %v", err)
|
||||||
|
}
|
||||||
|
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
|
||||||
|
if _, err = st.TransitionDb(); err != nil {
|
||||||
|
t.Fatalf("failed to execute transaction: %v", err)
|
||||||
|
}
|
||||||
|
// Retrieve the trace result and compare against the etalon
|
||||||
|
res, err := tracer.GetResult()
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("failed to retrieve trace result: %v", err)
|
||||||
|
}
|
||||||
|
ret := new(callTrace)
|
||||||
|
if err := json.Unmarshal(res, ret); err != nil {
|
||||||
|
t.Fatalf("failed to unmarshal trace result: %v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if !jsonEqual(ret, test.Result) {
|
||||||
|
// uncomment this for easier debugging
|
||||||
|
//have, _ := json.MarshalIndent(ret, "", " ")
|
||||||
|
//want, _ := json.MarshalIndent(test.Result, "", " ")
|
||||||
|
//t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want))
|
||||||
|
t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result)
|
||||||
|
}
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to
|
||||||
|
// comparison
|
||||||
|
func jsonEqual(x, y interface{}) bool {
|
||||||
|
xTrace := new(callTrace)
|
||||||
|
yTrace := new(callTrace)
|
||||||
|
if xj, err := json.Marshal(x); err == nil {
|
||||||
|
json.Unmarshal(xj, xTrace)
|
||||||
|
} else {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
if yj, err := json.Marshal(y); err == nil {
|
||||||
|
json.Unmarshal(yj, yTrace)
|
||||||
|
} else {
|
||||||
|
return false
|
||||||
|
}
|
||||||
|
return reflect.DeepEqual(xTrace, yTrace)
|
||||||
|
}
|
||||||
|
|
||||||
|
// camel converts a snake cased input string into a camel cased output.
|
||||||
|
func camel(str string) string {
|
||||||
|
pieces := strings.Split(str, "_")
|
||||||
|
for i := 1; i < len(pieces); i++ {
|
||||||
|
pieces[i] = string(unicode.ToUpper(rune(pieces[i][0]))) + pieces[i][1:]
|
||||||
|
}
|
||||||
|
return strings.Join(pieces, "")
|
||||||
|
}
|
||||||
|
func BenchmarkTracers(b *testing.B) {
|
||||||
|
files, err := ioutil.ReadDir(filepath.Join("..", "testdata", "call_tracer"))
|
||||||
|
if err != nil {
|
||||||
|
b.Fatalf("failed to retrieve tracer test suite: %v", err)
|
||||||
|
}
|
||||||
|
for _, file := range files {
|
||||||
|
if !strings.HasSuffix(file.Name(), ".json") {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
file := file // capture range variable
|
||||||
|
b.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(b *testing.B) {
|
||||||
|
blob, err := ioutil.ReadFile(filepath.Join("..", "testdata", "call_tracer", file.Name()))
|
||||||
|
if err != nil {
|
||||||
|
b.Fatalf("failed to read testcase: %v", err)
|
||||||
|
}
|
||||||
|
test := new(callTracerTest)
|
||||||
|
if err := json.Unmarshal(blob, test); err != nil {
|
||||||
|
b.Fatalf("failed to parse testcase: %v", err)
|
||||||
|
}
|
||||||
|
benchTracer("callTracerNative", test, b)
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
func benchTracer(tracerName string, test *callTracerTest, b *testing.B) {
|
||||||
|
// Configure a blockchain with the given prestate
|
||||||
|
tx := new(types.Transaction)
|
||||||
|
if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
|
||||||
|
b.Fatalf("failed to parse testcase input: %v", err)
|
||||||
|
}
|
||||||
|
signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)))
|
||||||
|
msg, err := tx.AsMessage(signer, nil)
|
||||||
|
if err != nil {
|
||||||
|
b.Fatalf("failed to prepare transaction for tracing: %v", err)
|
||||||
|
}
|
||||||
|
origin, _ := signer.Sender(tx)
|
||||||
|
txContext := vm.TxContext{
|
||||||
|
Origin: origin,
|
||||||
|
GasPrice: tx.GasPrice(),
|
||||||
|
}
|
||||||
|
context := vm.BlockContext{
|
||||||
|
CanTransfer: core.CanTransfer,
|
||||||
|
Transfer: core.Transfer,
|
||||||
|
Coinbase: test.Context.Miner,
|
||||||
|
BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
|
||||||
|
Time: new(big.Int).SetUint64(uint64(test.Context.Time)),
|
||||||
|
Difficulty: (*big.Int)(test.Context.Difficulty),
|
||||||
|
GasLimit: uint64(test.Context.GasLimit),
|
||||||
|
}
|
||||||
|
_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
|
||||||
|
|
||||||
|
b.ReportAllocs()
|
||||||
|
b.ResetTimer()
|
||||||
|
for i := 0; i < b.N; i++ {
|
||||||
|
tracer, err := tracers.New(tracerName, new(tracers.Context))
|
||||||
|
if err != nil {
|
||||||
|
b.Fatalf("failed to create call tracer: %v", err)
|
||||||
|
}
|
||||||
|
evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
|
||||||
|
snap := statedb.Snapshot()
|
||||||
|
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
|
||||||
|
if _, err = st.TransitionDb(); err != nil {
|
||||||
|
b.Fatalf("failed to execute transaction: %v", err)
|
||||||
|
}
|
||||||
|
if _, err = tracer.GetResult(); err != nil {
|
||||||
|
b.Fatal(err)
|
||||||
|
}
|
||||||
|
statedb.RevertToSnapshot(snap)
|
||||||
|
}
|
||||||
|
}
|
||||||
@ -19,7 +19,6 @@ package tracers
|
|||||||
|
|
||||||
import (
|
import (
|
||||||
"encoding/json"
|
"encoding/json"
|
||||||
"fmt"
|
|
||||||
"strings"
|
"strings"
|
||||||
"unicode"
|
"unicode"
|
||||||
|
|
||||||
@ -60,7 +59,6 @@ func New(code string, ctx *Context) (Tracer, error) {
|
|||||||
if fn, ok := nativeTracers[code]; ok {
|
if fn, ok := nativeTracers[code]; ok {
|
||||||
return fn(), nil
|
return fn(), nil
|
||||||
}
|
}
|
||||||
panic(fmt.Sprintf("no native tracer %v found", code))
|
|
||||||
// Resolve js-tracers by name and assemble the tracer object
|
// Resolve js-tracers by name and assemble the tracer object
|
||||||
if tracer, ok := jsTracers[code]; ok {
|
if tracer, ok := jsTracers[code]; ok {
|
||||||
code = tracer
|
code = tracer
|
||||||
|
|||||||
@ -20,11 +20,8 @@ import (
|
|||||||
"crypto/ecdsa"
|
"crypto/ecdsa"
|
||||||
"crypto/rand"
|
"crypto/rand"
|
||||||
"encoding/json"
|
"encoding/json"
|
||||||
"io/ioutil"
|
|
||||||
"math/big"
|
"math/big"
|
||||||
"path/filepath"
|
|
||||||
"reflect"
|
"reflect"
|
||||||
"strings"
|
|
||||||
"testing"
|
"testing"
|
||||||
|
|
||||||
"github.com/ethereum/go-ethereum/common"
|
"github.com/ethereum/go-ethereum/common"
|
||||||
@ -35,9 +32,7 @@ import (
|
|||||||
"github.com/ethereum/go-ethereum/core/types"
|
"github.com/ethereum/go-ethereum/core/types"
|
||||||
"github.com/ethereum/go-ethereum/core/vm"
|
"github.com/ethereum/go-ethereum/core/vm"
|
||||||
"github.com/ethereum/go-ethereum/crypto"
|
"github.com/ethereum/go-ethereum/crypto"
|
||||||
//"github.com/ethereum/go-ethereum/eth/tracers/native"
|
|
||||||
"github.com/ethereum/go-ethereum/params"
|
"github.com/ethereum/go-ethereum/params"
|
||||||
"github.com/ethereum/go-ethereum/rlp"
|
|
||||||
"github.com/ethereum/go-ethereum/tests"
|
"github.com/ethereum/go-ethereum/tests"
|
||||||
)
|
)
|
||||||
|
|
||||||
@ -202,119 +197,6 @@ func TestPrestateTracerCreate2(t *testing.T) {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// Iterates over all the input-output datasets in the tracer test harness and
|
|
||||||
// runs the JavaScript tracers against them.
|
|
||||||
func TestCallTracerLegacy(t *testing.T) {
|
|
||||||
newTracer := func() Tracer {
|
|
||||||
tracer, err := New("callTracerLegacy", new(Context))
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to create call tracer: %v", err)
|
|
||||||
}
|
|
||||||
return tracer
|
|
||||||
}
|
|
||||||
|
|
||||||
testCallTracer(newTracer, "call_tracer_legacy", t)
|
|
||||||
}
|
|
||||||
|
|
||||||
func TestCallTracer(t *testing.T) {
|
|
||||||
newTracer := func() Tracer {
|
|
||||||
tracer, err := New("callTracer", new(Context))
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to create call tracer: %v", err)
|
|
||||||
}
|
|
||||||
return tracer
|
|
||||||
}
|
|
||||||
|
|
||||||
testCallTracer(newTracer, "call_tracer", t)
|
|
||||||
}
|
|
||||||
|
|
||||||
func TestCallTracerNative(t *testing.T) {
|
|
||||||
newTracer := func() Tracer {
|
|
||||||
tracer, err := New("callTracerNative", nil /* TODO? */)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to create native call tracer: %v", err)
|
|
||||||
}
|
|
||||||
return tracer
|
|
||||||
}
|
|
||||||
testCallTracer(newTracer, "call_tracer", t)
|
|
||||||
}
|
|
||||||
|
|
||||||
func testCallTracer(newTracer func() Tracer, dirPath string, t *testing.T) {
|
|
||||||
files, err := ioutil.ReadDir(filepath.Join("testdata", dirPath))
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to retrieve tracer test suite: %v", err)
|
|
||||||
}
|
|
||||||
for _, file := range files {
|
|
||||||
if !strings.HasSuffix(file.Name(), ".json") {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
file := file // capture range variable
|
|
||||||
t.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(t *testing.T) {
|
|
||||||
t.Parallel()
|
|
||||||
|
|
||||||
// Call tracer test found, read if from disk
|
|
||||||
blob, err := ioutil.ReadFile(filepath.Join("testdata", dirPath, file.Name()))
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to read testcase: %v", err)
|
|
||||||
}
|
|
||||||
test := new(callTracerTest)
|
|
||||||
if err := json.Unmarshal(blob, test); err != nil {
|
|
||||||
t.Fatalf("failed to parse testcase: %v", err)
|
|
||||||
}
|
|
||||||
// Configure a blockchain with the given prestate
|
|
||||||
tx := new(types.Transaction)
|
|
||||||
if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
|
|
||||||
t.Fatalf("failed to parse testcase input: %v", err)
|
|
||||||
}
|
|
||||||
signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)))
|
|
||||||
origin, _ := signer.Sender(tx)
|
|
||||||
txContext := vm.TxContext{
|
|
||||||
Origin: origin,
|
|
||||||
GasPrice: tx.GasPrice(),
|
|
||||||
}
|
|
||||||
context := vm.BlockContext{
|
|
||||||
CanTransfer: core.CanTransfer,
|
|
||||||
Transfer: core.Transfer,
|
|
||||||
Coinbase: test.Context.Miner,
|
|
||||||
BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
|
|
||||||
Time: new(big.Int).SetUint64(uint64(test.Context.Time)),
|
|
||||||
Difficulty: (*big.Int)(test.Context.Difficulty),
|
|
||||||
GasLimit: uint64(test.Context.GasLimit),
|
|
||||||
}
|
|
||||||
_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
|
|
||||||
|
|
||||||
tracer := newTracer()
|
|
||||||
evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
|
|
||||||
|
|
||||||
msg, err := tx.AsMessage(signer, nil)
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to prepare transaction for tracing: %v", err)
|
|
||||||
}
|
|
||||||
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
|
|
||||||
if _, err = st.TransitionDb(); err != nil {
|
|
||||||
t.Fatalf("failed to execute transaction: %v", err)
|
|
||||||
}
|
|
||||||
// Retrieve the trace result and compare against the etalon
|
|
||||||
res, err := tracer.GetResult()
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("failed to retrieve trace result: %v", err)
|
|
||||||
}
|
|
||||||
ret := new(callTrace)
|
|
||||||
if err := json.Unmarshal(res, ret); err != nil {
|
|
||||||
t.Fatalf("failed to unmarshal trace result: %v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if !jsonEqual(ret, test.Result) {
|
|
||||||
// uncomment this for easier debugging
|
|
||||||
//have, _ := json.MarshalIndent(ret, "", " ")
|
|
||||||
//want, _ := json.MarshalIndent(test.Result, "", " ")
|
|
||||||
//t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", string(have), string(want))
|
|
||||||
t.Fatalf("trace mismatch: \nhave %+v\nwant %+v", ret, test.Result)
|
|
||||||
}
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to
|
// jsonEqual is similar to reflect.DeepEqual, but does a 'bounce' via json prior to
|
||||||
// comparison
|
// comparison
|
||||||
func jsonEqual(x, y interface{}) bool {
|
func jsonEqual(x, y interface{}) bool {
|
||||||
@ -410,80 +292,3 @@ func BenchmarkTransactionTrace(b *testing.B) {
|
|||||||
tracer.Reset()
|
tracer.Reset()
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
func BenchmarkTracers(b *testing.B) {
|
|
||||||
files, err := ioutil.ReadDir(filepath.Join("testdata", "call_tracer"))
|
|
||||||
if err != nil {
|
|
||||||
b.Fatalf("failed to retrieve tracer test suite: %v", err)
|
|
||||||
}
|
|
||||||
for _, file := range files {
|
|
||||||
if !strings.HasSuffix(file.Name(), ".json") {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
file := file // capture range variable
|
|
||||||
b.Run(camel(strings.TrimSuffix(file.Name(), ".json")), func(b *testing.B) {
|
|
||||||
blob, err := ioutil.ReadFile(filepath.Join("testdata", "call_tracer", file.Name()))
|
|
||||||
if err != nil {
|
|
||||||
b.Fatalf("failed to read testcase: %v", err)
|
|
||||||
}
|
|
||||||
test := new(callTracerTest)
|
|
||||||
if err := json.Unmarshal(blob, test); err != nil {
|
|
||||||
b.Fatalf("failed to parse testcase: %v", err)
|
|
||||||
}
|
|
||||||
newTracer := func() Tracer {
|
|
||||||
tracer, err := New("callTracer", new(Context))
|
|
||||||
if err != nil {
|
|
||||||
b.Fatalf("failed to create call tracer: %v", err)
|
|
||||||
}
|
|
||||||
return tracer
|
|
||||||
}
|
|
||||||
benchTracer(newTracer, test, b)
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func benchTracer(newTracer func() Tracer, test *callTracerTest, b *testing.B) {
|
|
||||||
// Configure a blockchain with the given prestate
|
|
||||||
tx := new(types.Transaction)
|
|
||||||
if err := rlp.DecodeBytes(common.FromHex(test.Input), tx); err != nil {
|
|
||||||
b.Fatalf("failed to parse testcase input: %v", err)
|
|
||||||
}
|
|
||||||
signer := types.MakeSigner(test.Genesis.Config, new(big.Int).SetUint64(uint64(test.Context.Number)))
|
|
||||||
msg, err := tx.AsMessage(signer, nil)
|
|
||||||
if err != nil {
|
|
||||||
b.Fatalf("failed to prepare transaction for tracing: %v", err)
|
|
||||||
}
|
|
||||||
origin, _ := signer.Sender(tx)
|
|
||||||
txContext := vm.TxContext{
|
|
||||||
Origin: origin,
|
|
||||||
GasPrice: tx.GasPrice(),
|
|
||||||
}
|
|
||||||
context := vm.BlockContext{
|
|
||||||
CanTransfer: core.CanTransfer,
|
|
||||||
Transfer: core.Transfer,
|
|
||||||
Coinbase: test.Context.Miner,
|
|
||||||
BlockNumber: new(big.Int).SetUint64(uint64(test.Context.Number)),
|
|
||||||
Time: new(big.Int).SetUint64(uint64(test.Context.Time)),
|
|
||||||
Difficulty: (*big.Int)(test.Context.Difficulty),
|
|
||||||
GasLimit: uint64(test.Context.GasLimit),
|
|
||||||
}
|
|
||||||
_, statedb := tests.MakePreState(rawdb.NewMemoryDatabase(), test.Genesis.Alloc, false)
|
|
||||||
|
|
||||||
b.ReportAllocs()
|
|
||||||
b.ResetTimer()
|
|
||||||
for i := 0; i < b.N; i++ {
|
|
||||||
tracer := newTracer()
|
|
||||||
evm := vm.NewEVM(context, txContext, statedb, test.Genesis.Config, vm.Config{Debug: true, Tracer: tracer})
|
|
||||||
snap := statedb.Snapshot()
|
|
||||||
st := core.NewStateTransition(evm, msg, new(core.GasPool).AddGas(tx.Gas()))
|
|
||||||
if _, err = st.TransitionDb(); err != nil {
|
|
||||||
b.Fatalf("failed to execute transaction: %v", err)
|
|
||||||
}
|
|
||||||
_, err := tracer.GetResult()
|
|
||||||
if err != nil {
|
|
||||||
b.Fatal(err)
|
|
||||||
}
|
|
||||||
|
|
||||||
statedb.RevertToSnapshot(snap)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|||||||
Reference in New Issue
Block a user