rpc: move ValidateAddress to the result package

Because it is a result of the RPC call.

pkg/rpc/result/validate_address.go

@@ -1,9 +1,9 @@
-package wrappers
+package result
 
-// ValidateAddressResponse represents response to validate address call. Notice
+// ValidateAddress represents result of the `validateaddress` call. Notice that
 // Address is an interface{} here because server echoes back whatever address
 // value user has sent to it, even if it's not a string.
-type ValidateAddressResponse struct {
+type ValidateAddress struct {
 	Address interface{} `json:"address"`
 	IsValid bool        `json:"isvalid"`
 }

pkg/rpc/server.go

@@ -555,8 +555,8 @@ func (s *Server) blockHeightFromParam(param *Param) (int, error) {
 
 // validateAddress verifies that the address is a correct NEO address
 // see https://docs.neo.org/en-us/node/cli/2.9.4/api/validateaddress.html
-func validateAddress(addr interface{}) wrappers.ValidateAddressResponse {
-	resp := wrappers.ValidateAddressResponse{Address: addr}
+func validateAddress(addr interface{}) result.ValidateAddress {
+	resp := result.ValidateAddress{Address: addr}
 	if addr, ok := addr.(string); ok {
 		_, err := address.StringToUint160(addr)
 		resp.IsValid = (err == nil)

pkg/rpc/server_helper_test.go

@@ -50,9 +50,9 @@ type InvokeFunctionResponse struct {
 
 // ValidateAddrResponse struct for testing.
 type ValidateAddrResponse struct {
-	Jsonrpc string                           `json:"jsonrpc"`
-	Result  wrappers.ValidateAddressResponse `json:"result"`
-	ID      int                              `json:"id"`
+	Jsonrpc string                 `json:"jsonrpc"`
+	Result  result.ValidateAddress `json:"result"`
+	ID      int                    `json:"id"`
 }
 
 // GetPeersResponse struct for testing.

pkg/rpc/server_test.go

@@ -14,7 +14,7 @@ import (
 
 	"github.com/CityOfZion/neo-go/pkg/core"
 	"github.com/CityOfZion/neo-go/pkg/core/transaction"
-	"github.com/CityOfZion/neo-go/pkg/rpc/wrappers"
+	"github.com/CityOfZion/neo-go/pkg/rpc/result"
 	"github.com/CityOfZion/neo-go/pkg/util"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
@@ -527,7 +527,7 @@ var rpcTestCases = map[string][]rpcTestCase{
 			result: func(*executor) interface{} {
 				return &ValidateAddrResponse{
 					Jsonrpc: defaultJSONRPC,
-					Result: wrappers.ValidateAddressResponse{
+					Result: result.ValidateAddress{
 						Address: float64(1),
 						IsValid: false,
 					},