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core/vm, core/state: added storage to structured vm logging

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This commit is contained in:
obscuren 2015-06-10 12:57:37 +02:00
parent 38c61f6f25
commit 6fb6e6679e
4 changed files with 39 additions and 9 deletions
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16
core/state/state_object.go
View File

@ -336,6 +336,22 @@ func (self *StateObject) Nonce() uint64 {
return self.nonce
}
func (self *StateObject) EachStorage(cb func(key, value []byte)) {
// When iterating over the storage check the cache first
for h, v := range self.storage {
cb([]byte(h), v.Bytes())
}
it := self.State.trie.Iterator()
for it.Next() {
// ignore cached values
key := self.State.trie.GetKey(it.Key)
if _, ok := self.storage[string(key)]; !ok {
cb(key, it.Value)
}
}
}
//
// Encoding
//

1
core/vm/environment.go
View File

@ -39,6 +39,7 @@ type StructLog struct {
Gas *big.Int
Memory []byte
Stack []*big.Int
Storage map[common.Hash][]byte
}
type Account interface {

13
core/vm/vm.go
View File

@ -95,7 +95,7 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
// Get the memory location of pc
op = context.GetOp(pc)
self.log(pc, op, context.Gas, mem, stack)
self.log(pc, op, context.Gas, mem, stack, context)
newMemSize, gas, err := self.calculateGasAndSize(context, caller, op, statedb, mem, stack)
if err != nil {
@ -778,13 +778,20 @@ func (self *Vm) RunPrecompiled(p *PrecompiledAccount, callData []byte, context *
}
}
func (self *Vm) log(pc uint64, op OpCode, gas *big.Int, memory *Memory, stack *Stack) {
func (self *Vm) log(pc uint64, op OpCode, gas *big.Int, memory *Memory, stack *Stack, context *Context) {
if Debug {
mem := make([]byte, len(memory.Data()))
copy(mem, memory.Data())
stck := make([]*big.Int, len(stack.Data()))
copy(stck, stack.Data())
self.env.AddStructLog(StructLog{pc, op, new(big.Int).Set(gas), mem, stck})
object := context.self.(*state.StateObject)
storage := make(map[common.Hash][]byte)
object.EachStorage(func(k, v []byte) {
storage[common.BytesToHash(k)] = v
})
self.env.AddStructLog(StructLog{pc, op, new(big.Int).Set(gas), mem, stck, storage})
}
}

8
core/vm_logger.go
View File

@ -12,7 +12,7 @@ import (
func VmStdErrFormat(logs []vm.StructLog) {
fmt.Fprintf(os.Stderr, "VM Stats %d ops\n", len(logs))
for _, log := range logs {
fmt.Fprintf(os.Stderr, "PC %-3d - %-14s\n", log.Pc, log.Op)
fmt.Fprintf(os.Stderr, "PC %08d: %s\n", log.Pc, log.Op)
fmt.Fprintln(os.Stderr, "STACK =", len(log.Stack))
for i, item := range log.Stack {
fmt.Fprintf(os.Stderr, "%04d: %x\n", i, common.LeftPadBytes(item.Bytes(), 32))
@ -36,5 +36,11 @@ func VmStdErrFormat(logs []vm.StructLog) {
addr++
fmt.Fprintln(os.Stderr, str)
}
fmt.Fprintln(os.Stderr, "STORAGE =", len(log.Storage))
for h, item := range log.Storage {
fmt.Fprintf(os.Stderr, "%x: %x\n", h, common.LeftPadBytes(item, 32))
}
}
}