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core/vm: added structured logging

This commit is contained in:
obscuren 2015-06-10 10:59:44 +02:00
parent 468501cb86
commit ff5b3ef087
2 changed files with 22 additions and 8 deletions
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4
core/execution.go
View File

@ -2,7 +2,6 @@ package core
import (
"math/big"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/state"
@ -49,8 +48,6 @@ func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, acco
}
func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.ContextRef) (ret []byte, err error) {
start := time.Now()
env := self.env
evm := self.evm
if env.Depth() > int(params.CallCreateDepth.Int64()) {
@ -96,7 +93,6 @@ func (self *Execution) exec(contextAddr *common.Address, code []byte, caller vm.
context.SetCallCode(contextAddr, code)
ret, err = evm.Run(context, self.input)
evm.Printf("message call took %v", time.Since(start)).Endl()
if err != nil {
env.State().Set(snapshot)
}

26
core/vm/vm.go
View File

@ -11,10 +11,18 @@ import (
"github.com/ethereum/go-ethereum/params"
)
type log struct {
op OpCode
gas *big.Int
memory []byte
stack []*big.Int
}
type Vm struct {
env Environment
logTy byte
// structured logging
Logs []log
logStr string
err error
@ -32,9 +40,7 @@ type Vm struct {
}
func New(env Environment) *Vm {
lt := LogTyPretty
return &Vm{debug: Debug, env: env, logTy: lt, Recoverable: true}
return &Vm{env: env, Recoverable: true}
}
func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
@ -106,6 +112,8 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
// Get the memory location of pc
op = context.GetOp(pc)
self.Log(op, context.Gas, mem, stack)
self.Printf("(pc) %-3d -o- %-14s (m) %-4d (s) %-4d ", pc, op.String(), mem.Len(), stack.len())
newMemSize, gas, err := self.calculateGasAndSize(context, caller, op, statedb, mem, stack)
if err != nil {
@ -855,6 +863,16 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo
return newMemSize, gas, nil
}
func (vm *Vm) Log(op OpCode, gas *big.Int, memory *Memory, stack *stack) {
if vm.debug {
mem := make([]byte, len(memory.store))
copy(mem, memory.store)
stck := make([]*big.Int, len(stack.data))
copy(stck, stack.data)
vm.Logs = append(vm.Logs, log{op, new(big.Int).Set(gas), mem, stck})
}
}
func (self *Vm) RunPrecompiled(p *PrecompiledAccount, callData []byte, context *Context) (ret []byte, err error) {
gas := p.Gas(len(callData))
if context.UseGas(gas) {