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eth/tracers, core/vm: remove time from trace output and tracing interface (#26291)

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This removes the 'time' field from logs, as well as from the tracer interface. This change makes the trace output deterministic.  If a tracer needs the time they can measure it themselves. No need for evm to do this.

Co-authored-by: Sina Mahmoodi <itz.s1na@gmail.com>
This commit is contained in:
Martin Holst Swende 2022-12-05 16:57:47 +01:00 committed by GitHub
parent 06632da2bb
commit 1f35988a00
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 19 additions and 34 deletions
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13
core/vm/evm.go
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@ -19,7 +19,6 @@ package vm
import (
"math/big"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/crypto"
@ -183,7 +182,7 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
if evm.Config.Debug {
if evm.depth == 0 {
evm.Config.Tracer.CaptureStart(evm, caller.Address(), addr, false, input, gas, value)
evm.Config.Tracer.CaptureEnd(ret, 0, 0, nil)
evm.Config.Tracer.CaptureEnd(ret, 0, nil)
} else {
evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value)
evm.Config.Tracer.CaptureExit(ret, 0, nil)
@ -199,9 +198,9 @@ func (evm *EVM) Call(caller ContractRef, addr common.Address, input []byte, gas
if evm.Config.Debug {
if evm.depth == 0 {
evm.Config.Tracer.CaptureStart(evm, caller.Address(), addr, false, input, gas, value)
defer func(startGas uint64, startTime time.Time) { // Lazy evaluation of the parameters
evm.Config.Tracer.CaptureEnd(ret, startGas-gas, time.Since(startTime), err)
}(gas, time.Now())
defer func(startGas uint64) { // Lazy evaluation of the parameters
evm.Config.Tracer.CaptureEnd(ret, startGas-gas, err)
}(gas)
} else {
// Handle tracer events for entering and exiting a call frame
evm.Config.Tracer.CaptureEnter(CALL, caller.Address(), addr, input, gas, value)
@ -448,8 +447,6 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
}
}
start := time.Now()
ret, err := evm.interpreter.Run(contract, nil, false)
// Check whether the max code size has been exceeded, assign err if the case.
@ -487,7 +484,7 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
if evm.Config.Debug {
if evm.depth == 0 {
evm.Config.Tracer.CaptureEnd(ret, gas-contract.Gas, time.Since(start), err)
evm.Config.Tracer.CaptureEnd(ret, gas-contract.Gas, err)
} else {
evm.Config.Tracer.CaptureExit(ret, gas-contract.Gas, err)
}

3
core/vm/logger.go
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@ -18,7 +18,6 @@ package vm
import (
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
)
@ -34,7 +33,7 @@ type EVMLogger interface {
CaptureTxEnd(restGas uint64)
// Top call frame
CaptureStart(env *EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int)
CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error)
CaptureEnd(output []byte, gasUsed uint64, err error)
// Rest of call frames
CaptureEnter(typ OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int)
CaptureExit(output []byte, gasUsed uint64, err error)

4
eth/tracers/js/goja.go
View File

@ -21,7 +21,6 @@ import (
"errors"
"fmt"
"math/big"
"time"
"github.com/dop251/goja"
@ -285,9 +284,8 @@ func (t *jsTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (t *jsTracer) CaptureEnd(output []byte, gasUsed uint64, duration time.Duration, err error) {
func (t *jsTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
t.ctx["output"] = t.vm.ToValue(output)
t.ctx["time"] = t.vm.ToValue(duration.String())
if err != nil {
t.ctx["error"] = t.vm.ToValue(err.Error())
}

1
eth/tracers/js/internal/tracers/call_tracer_legacy.js
View File

@ -233,7 +233,6 @@
input: call.input,
output: call.output,
error: call.error,
time: call.time,
calls: call.calls,
}
for (var key in sorted) {

4
eth/tracers/js/tracer_test.go
View File

@ -76,7 +76,7 @@ func runTrace(tracer tracers.Tracer, vmctx *vmContext, chaincfg *params.ChainCon
tracer.CaptureTxStart(gasLimit)
tracer.CaptureStart(env, contract.Caller(), contract.Address(), false, []byte{}, startGas, value)
ret, err := env.Interpreter().Run(contract, []byte{}, false)
tracer.CaptureEnd(ret, startGas-contract.Gas, 1, err)
tracer.CaptureEnd(ret, startGas-contract.Gas, err)
// Rest gas assumes no refund
tracer.CaptureTxEnd(contract.Gas)
if err != nil {
@ -206,7 +206,7 @@ func TestNoStepExec(t *testing.T) {
}
env := vm.NewEVM(vm.BlockContext{BlockNumber: big.NewInt(1)}, vm.TxContext{GasPrice: big.NewInt(100)}, &dummyStatedb{}, params.TestChainConfig, vm.Config{Debug: true, Tracer: tracer})
tracer.CaptureStart(env, common.Address{}, common.Address{}, false, []byte{}, 1000, big.NewInt(0))
tracer.CaptureEnd(nil, 0, 1, nil)
tracer.CaptureEnd(nil, 0, nil)
ret, err := tracer.GetResult()
if err != nil {
t.Fatal(err)

3
eth/tracers/logger/access_list_tracer.go
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@ -18,7 +18,6 @@ package logger
import (
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
@ -162,7 +161,7 @@ func (a *AccessListTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint6
func (*AccessListTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
}
func (*AccessListTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {}
func (*AccessListTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {}
func (*AccessListTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
}

5
eth/tracers/logger/logger.go
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@ -24,7 +24,6 @@ import (
"math/big"
"strings"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
@ -219,7 +218,7 @@ func (l *StructLogger) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, s
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
l.output = output
l.err = err
if l.cfg.Debug {
@ -385,7 +384,7 @@ func (t *mdLogger) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope
fmt.Fprintf(t.out, "\nError: at pc=%d, op=%v: %v\n", pc, op, err)
}
func (t *mdLogger) CaptureEnd(output []byte, gasUsed uint64, tm time.Duration, err error) {
func (t *mdLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
fmt.Fprintf(t.out, "\nOutput: `%#x`\nConsumed gas: `%d`\nError: `%v`\n",
output, gasUsed, err)
}

6
eth/tracers/logger/logger_json.go
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@ -20,7 +20,6 @@ import (
"encoding/json"
"io"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/math"
@ -80,18 +79,17 @@ func (l *JSONLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
}
// CaptureEnd is triggered at end of execution.
func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) {
func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
type endLog struct {
Output string `json:"output"`
GasUsed math.HexOrDecimal64 `json:"gasUsed"`
Time time.Duration `json:"time"`
Err string `json:"error,omitempty"`
}
var errMsg string
if err != nil {
errMsg = err.Error()
}
l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), t, errMsg})
l.encoder.Encode(endLog{common.Bytes2Hex(output), math.HexOrDecimal64(gasUsed), errMsg})
}
func (l *JSONLogger) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {

3
eth/tracers/native/call.go
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@ -21,7 +21,6 @@ import (
"errors"
"math/big"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/accounts/abi"
"github.com/ethereum/go-ethereum/common"
@ -142,7 +141,7 @@ func (t *callTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Ad
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (t *callTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
func (t *callTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
t.callstack[0].processOutput(output, err)
}

5
eth/tracers/native/mux.go
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@ -19,7 +19,6 @@ package native
import (
"encoding/json"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
@ -67,9 +66,9 @@ func (t *muxTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Add
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (t *muxTracer) CaptureEnd(output []byte, gasUsed uint64, elapsed time.Duration, err error) {
func (t *muxTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
for _, t := range t.tracers {
t.CaptureEnd(output, gasUsed, elapsed, err)
t.CaptureEnd(output, gasUsed, err)
}
}

3
eth/tracers/native/noop.go
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@ -19,7 +19,6 @@ package native
import (
"encoding/json"
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/vm"
@ -44,7 +43,7 @@ func (t *noopTracer) CaptureStart(env *vm.EVM, from common.Address, to common.Ad
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (t *noopTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
func (t *noopTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
}
// CaptureState implements the EVMLogger interface to trace a single step of VM execution.

3
eth/tracers/native/prestate.go
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@ -21,7 +21,6 @@ import (
"encoding/json"
"math/big"
"sync/atomic"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
@ -118,7 +117,7 @@ func (t *prestateTracer) CaptureStart(env *vm.EVM, from common.Address, to commo
}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (t *prestateTracer) CaptureEnd(output []byte, gasUsed uint64, _ time.Duration, err error) {
func (t *prestateTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
if t.config.DiffMode {
return
}