Improved transaction pool

The transaction pool will now some easily be able to pre determine the
validity of a transaction by checking the following:

* Account existst
* gas limit higher than the instrinsic gas
* enough funds to pay upfront costs
* nonce check

1 files changed, 4 insertions, 8 deletions

diff --git a/core/state/statedb.go b/core/state/statedb.go
index 0651365f0..b3050515b 100644
--- a/core/state/statedb.go
+++ b/core/state/statedb.go
@@ -63,14 +63,6 @@ func (self *StateDB) Logs() Logs {
 	return logs
 }
 
-/*
-func (self *StateDB) Logs(txHash, blockHash common.Hash, txIndex uint) Logs {
-	self.logs.SetInfo(txHash, blockHash, txIndex)
-
-	return self.logs
-}
-*/
-
 func (self *StateDB) Refund(address common.Address, gas *big.Int) {
 	addr := address.Str()
 	if self.refund[addr] == nil {
@@ -83,6 +75,10 @@ func (self *StateDB) Refund(address common.Address, gas *big.Int) {
  * GETTERS
  */
 
+func (self *StateDB) HasAccount(addr common.Address) bool {
+	return self.GetStateObject(addr) != nil
+}
+
 // Retrieve the balance from the given address or 0 if object not found
 func (self *StateDB) GetBalance(addr common.Address) *big.Int {
 	stateObject := self.GetStateObject(addr)