gaspersic/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merged accounts and contracts in to StateObject

Browse Source 
* Account removed
* Contract removed
* Address state changed to CachedStateObject
* Added StateObject
This commit is contained in:
obscuren
2014-04-16 04:06:51 +02:00
parent ca13e3b105
commit 9c6aca7893
11 changed files with 219 additions and 300 deletions
Download Patch File Download Diff File Expand all files Collapse all files

65
ethchain/state.go
View File

@ -47,23 +47,14 @@ func (s *State) Purge() int {
return s.trie.NewIterator().Purge()
}
func (s *State) GetContract(addr []byte) *Contract {
func (s *State) GetContract(addr []byte) *StateObject {
data := s.trie.Get(string(addr))
if data == "" {
return nil
}
// Whet get contract is called the retrieved value might
// be an account. The StateManager uses this to check
// to see if the address a tx was sent to is a contract
// or an account
value := ethutil.NewValueFromBytes([]byte(data))
if value.Len() == 2 {
return nil
}
// build contract
contract := NewContractFromBytes(addr, []byte(data))
contract := NewStateObjectFromBytes(addr, []byte(data))
// Check if there's a cached state for this contract
cachedState := s.states[string(addr)]
@ -77,28 +68,17 @@ func (s *State) GetContract(addr []byte) *Contract {
return contract
}
func (s *State) UpdateContract(contract *Contract) {
addr := contract.Address()
s.states[string(addr)] = contract.state
s.trie.Update(string(addr), string(contract.RlpEncode()))
}
func (s *State) GetAccount(addr []byte) (account *Account) {
func (s *State) GetAccount(addr []byte) (account *StateObject) {
data := s.trie.Get(string(addr))
if data == "" {
account = NewAccount(addr, big.NewInt(0))
} else {
account = NewAccountFromData(addr, []byte(data))
account = NewStateObjectFromBytes(addr, []byte(data))
}
return
}
func (s *State) UpdateAccount(addr []byte, account *Account) {
s.trie.Update(string(addr), string(account.RlpEncode()))
}
func (s *State) Cmp(other *State) bool {
return s.trie.Cmp(other.trie)
}
@ -119,7 +99,7 @@ const (
// Returns the object stored at key and the type stored at key
// Returns nil if nothing is stored
func (s *State) Get(key []byte) (*ethutil.Value, ObjType) {
func (s *State) GetStateObject(key []byte) (*ethutil.Value, ObjType) {
// Fetch data from the trie
data := s.trie.Get(string(key))
// Returns the nil type, indicating nothing could be retrieved.
@ -145,6 +125,17 @@ func (s *State) Get(key []byte) (*ethutil.Value, ObjType) {
return val, typ
}
// Updates any given state object
func (s *State) UpdateStateObject(object *StateObject) {
addr := object.Address()
if object.state != nil {
s.states[string(addr)] = object.state
}
s.trie.Update(string(addr), string(object.RlpEncode()))
}
func (s *State) Put(key, object []byte) {
s.trie.Update(string(key), string(object))
}
@ -152,27 +143,3 @@ func (s *State) Put(key, object []byte) {
func (s *State) Root() interface{} {
return s.trie.Root
}
// Script compilation functions
// Compiles strings to machine code
func Compile(code []string) (script []string) {
script = make([]string, len(code))
for i, val := range code {
instr, _ := ethutil.CompileInstr(val)
script[i] = string(instr)
}
return
}
func CompileToValues(code []string) (script []*ethutil.Value) {
script = make([]*ethutil.Value, len(code))
for i, val := range code {
instr, _ := ethutil.CompileInstr(val)
script[i] = ethutil.NewValue(instr)
}
return
}