Minor fixes to get state roots to match (ethereum#146)

Author: smartcontracts

core/genesis.go

@@ -509,12 +509,12 @@ func fetchStateDump(path string, stateDump *dump.OvmDump) error {
 		return errors.New("Unable to fetch state dump")
 	}
 	resp, err := http.Get(path)
-	if resp.StatusCode >= 400 {
-		return errors.New("State dump not found")
-	}
 	if err != nil {
 		return fmt.Errorf("Unable to GET state dump: %w", err)
 	}
+	if resp.StatusCode >= 400 {
+		return errors.New("State dump not found")
+	}
 	defer resp.Body.Close()
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {

core/vm/evm.go

@@ -581,6 +581,9 @@ func (evm *EVM) create(caller ContractRef, codeAndHash *codeAndHash, gas uint64,
 	// Create a new account on the state
 	snapshot := evm.StateDB.Snapshot()
 	evm.StateDB.CreateAccount(address)
+	if evm.chainRules.IsEIP158 {
+		evm.StateDB.SetNonce(address, 1)
+	}
 	if !UsingOVM {
 		// OVM_DISABLED
 		evm.Transfer(evm.StateDB, caller.Address(), address, value)