Moved logging to state, proper structured block

* Moved logs to state so it's subject to snapshotting
* Split up block header
* Removed logs from transactions and made them receipts only

2 files changed, 57 insertions, 0 deletions

diff --git a/ethstate/log.go b/ethstate/log.go
new file mode 100644
index 000000000..a2e9ca041
--- /dev/null
+++ b/ethstate/log.go
@@ -0,0 +1,38 @@
+package ethstate
+
+import "github.com/ethereum/go-ethereum/ethutil"
+
+type Log struct {
+	Address []byte
+	Topics  [][]byte
+	Data    []byte
+}
+
+func NewLogFromValue(decoder *ethutil.Value) Log {
+	log := Log{
+		Address: decoder.Get(0).Bytes(),
+		Data:    decoder.Get(2).Bytes(),
+	}
+
+	it := decoder.Get(1).NewIterator()
+	for it.Next() {
+		log.Topics = append(log.Topics, it.Value().Bytes())
+	}
+
+	return log
+}
+
+func (self Log) RlpData() interface{} {
+	return []interface{}{self.Address, ethutil.ByteSliceToInterface(self.Topics), self.Data}
+}
+
+type Logs []Log
+
+func (self Logs) RlpData() interface{} {
+	data := make([]interface{}, len(self))
+	for i, log := range self {
+		data[i] = log.RlpData()
+	}
+
+	return data
+}
diff --git a/ethstate/state.go b/ethstate/state.go
index 97958cc0a..48efeae46 100644
--- a/ethstate/state.go
+++ b/ethstate/state.go
@@ -24,6 +24,8 @@ type State struct {
 	manifest *Manifest
 
 	refund map[string]*big.Int
+
+	logs Logs
 }
 
 // Create a new state from a given trie
@@ -31,6 +33,18 @@ func New(trie *ethtrie.Trie) *State {
 	return &State{Trie: trie, stateObjects: make(map[string]*StateObject), manifest: NewManifest(), refund: make(map[string]*big.Int)}
 }
 
+func (self *State) EmptyLogs() {
+	self.logs = nil
+}
+
+func (self *State) AddLog(log Log) {
+	self.logs = append(self.logs, log)
+}
+
+func (self *State) Logs() Logs {
+	return self.logs
+}
+
 // Retrieve the balance from the given address or 0 if object not found
 func (self *State) GetBalance(addr []byte) *big.Int {
 	stateObject := self.GetStateObject(addr)
@@ -202,6 +216,10 @@ func (self *State) Copy() *State {
 			state.refund[addr] = refund
 		}
 
+		logs := make(Logs, len(self.logs))
+		copy(logs, self.logs)
+		state.logs = logs
+
 		return state
 	}
 
@@ -216,6 +234,7 @@ func (self *State) Set(state *State) {
 	self.Trie = state.Trie
 	self.stateObjects = state.stateObjects
 	self.refund = state.refund
+	self.logs = state.logs
 }
 
 func (s *State) Root() interface{} {