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capture keccak preimage

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This commit is contained in:
Sina Mahmoodi 2023-06-15 18:42:57 +02:00
parent 642a374b9d
commit e25065bfc3
10 changed files with 31 additions and 1 deletions
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4
core/vm/instructions.go
View file

@ -247,7 +247,9 @@ func opKeccak256(pc *uint64, interpreter *EVMInterpreter, scope *ScopeContext) (
if evm.Config.EnablePreimageRecording {
evm.StateDB.AddPreimage(interpreter.hasherBuf, data)
}
if interpreter.evm.Config.Tracer != nil {
interpreter.evm.Config.Tracer.CaptureKeccakPreimage(common.BytesToHash(interpreter.hasherBuf[:]), data)
}
size.SetBytes(interpreter.hasherBuf[:])
return nil, nil
}

1
core/vm/logger.go
View file

@ -40,4 +40,5 @@ type EVMLogger interface {
// Opcode level
CaptureState(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, rData []byte, depth int, err error)
CaptureFault(pc uint64, op OpCode, gas, cost uint64, scope *ScopeContext, depth int, err error)
CaptureKeccakPreimage(hash common.Hash, data []byte)
}

3
eth/tracers/js/goja.go
View file

@ -286,6 +286,9 @@ func (t *jsTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope
}
}
// CaptureKeccakPreimage is called during the KECCAK256 opcode.
func (t *jsTracer) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (t *jsTracer) CaptureEnd(output []byte, gasUsed uint64, err error) {
t.ctx["output"] = t.vm.ToValue(output)

2
eth/tracers/logger/access_list_tracer.go
View file

@ -161,6 +161,8 @@ 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) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
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
View file

@ -217,6 +217,9 @@ func (l *StructLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, s
func (l *StructLogger) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
}
// CaptureKeccakPreimage is called during the KECCAK256 opcode.
func (l *StructLogger) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
// CaptureEnd is called after the call finishes to finalize the tracing.
func (l *StructLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
l.output = output
@ -384,6 +387,8 @@ 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) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
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)

3
eth/tracers/logger/logger_json.go
View file

@ -78,6 +78,9 @@ func (l *JSONLogger) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
l.encoder.Encode(log)
}
// CaptureKeccakPreimage is called during the KECCAK256 opcode.
func (l *JSONLogger) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
// CaptureEnd is triggered at end of execution.
func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, err error) {
type endLog struct {

1
eth/tracers/native/call_flat.go
View file

@ -108,6 +108,7 @@ type flatCallResultMarshaling struct {
// flatCallTracer reports call frame information of a tx in a flat format, i.e.
// as opposed to the nested format of `callTracer`.
type flatCallTracer struct {
noopTracer
tracer *callTracer
config flatCallTracerConfig
ctx *tracers.Context // Holds tracer context data

7
eth/tracers/native/mux.go
View file

@ -86,6 +86,13 @@ func (t *muxTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scop
}
}
// CaptureKeccakPreimage is called during the KECCAK256 opcode.
func (t *muxTracer) CaptureKeccakPreimage(hash common.Hash, data []byte) {
for _, t := range t.tracers {
t.CaptureKeccakPreimage(hash, data)
}
}
// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
func (t *muxTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
for _, t := range t.tracers {

3
eth/tracers/native/noop.go
View file

@ -54,6 +54,9 @@ func (t *noopTracer) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, sco
func (t *noopTracer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, _ *vm.ScopeContext, depth int, err error) {
}
// CaptureKeccakPreimage is called during the KECCAK256 opcode.
func (t *noopTracer) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
func (t *noopTracer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
}

3
eth/tracers/printer.go
View file

@ -35,6 +35,9 @@ func (p *Printer) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, _ *vm.
fmt.Printf("CaptureFault: pc=%v, op=%v, gas=%v, cost=%v, depth=%v, err=%v\n", pc, op, gas, cost, depth, err)
}
// CaptureKeccakPreimage is called during the KECCAK256 opcode.
func (p *Printer) CaptureKeccakPreimage(hash common.Hash, data []byte) {}
// CaptureEnter is called when EVM enters a new scope (via call, create or selfdestruct).
func (p *Printer) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
fmt.Printf("CaptureEnter: typ=%v, from=%v, to=%v, input=%v, gas=%v, value=%v\n", typ, from, to, input, gas, value)