resolver tests

- add resolver tests and fix resolver to pass
- statereg constructor fixed
- comments added to natspec plus docserver integration for natspec userdoc fetching

common/natspec/natspec.go

@@ -104,6 +104,7 @@ func NewWithDocs(abiDocJson, userDocJson []byte, tx string) (self *NatSpec, err
 		data:        data,
 	}
 
+	// load and require natspec js (but it is meant to be protected environment)
 	_, err = self.jsvm.Run(natspecJS)
 	if err != nil {
 		return
@@ -132,6 +133,7 @@ func NewWithDocs(abiDocJson, userDocJson []byte, tx string) (self *NatSpec, err
 // 	Type string `json:type`
 // }
 
+// json skeleton for abi doc (contract method definitions)
 type method struct {
 	Notice string `json:notice`
 	name   string

common/natspec/statereg.go

@@ -9,9 +9,9 @@ type StateReg struct {
 	caURL, caNatSpec string //contract addresses
 }
 
-func NewStateReg(_xeth *xeth.XEth) (self *StateReg) {
-
-	self.xeth = _xeth
+func NewStateReg(xeth *xeth.XEth) (self *StateReg) {
+	self = &StateReg{}
+	self.xeth = xeth
 	self.testCreateContracts()
 	return