Secure trie

pull/426/head
obscuren 10 years ago
parent 7ab13e0f17
commit ae45a39dc1
  1. 1
      cmd/evm/main.go
  2. 2
      core/execution.go
  3. 32
      trie/secure_trie.go
  4. 1
      trie/trie_test.go

@ -65,7 +65,6 @@ func main() {
statedb := state.New(nil, db)
sender := statedb.NewStateObject([]byte("sender"))
receiver := statedb.NewStateObject([]byte("receiver"))
//receiver.SetCode([]byte(*code))
receiver.SetCode(ethutil.Hex2Bytes(*code))
vmenv := NewEnv(statedb, []byte("evmuser"), ethutil.Big(*value))

@ -61,10 +61,10 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret
snapshot := env.State().Copy()
start := time.Now()
ret, err = evm.Run(to, caller, code, self.value, self.Gas, self.price, self.input)
chainlogger.Debugf("vm took %v\n", time.Since(start))
if err != nil {
env.State().Set(snapshot)
}
chainlogger.Debugf("vm took %v\n", time.Since(start))
return
}

@ -0,0 +1,32 @@
package trie
import "github.com/ethereum/go-ethereum/crypto"
type SecureTrie struct {
*Trie
}
func NewSecure(root []byte, backend Backend) *SecureTrie {
return &SecureTrie{New(root, backend)}
}
func (self *SecureTrie) Update(key, value []byte) Node {
return self.Trie.Update(crypto.Sha3(key), value)
}
func (self *SecureTrie) UpdateString(key, value string) Node {
return self.Update([]byte(key), []byte(value))
}
func (self *SecureTrie) Get(key []byte) []byte {
return self.Trie.Get(crypto.Sha3(key))
}
func (self *SecureTrie) GetString(key string) []byte {
return self.Get([]byte(key))
}
func (self *SecureTrie) Delete(key []byte) Node {
return self.Trie.Delete(crypto.Sha3(key))
}
func (self *SecureTrie) DeletString(key string) Node {
return self.Delete([]byte(key))
}

@ -274,7 +274,6 @@ func TestLargeData(t *testing.T) {
trie.Update(value2.k, value2.v)
vals[string(value.k)] = value
vals[string(value2.k)] = value2
fmt.Println(value, "\n", value2)
}
it := trie.Iterator()

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