rpc: implement client-side getunspents

pkg/rpc/types.go

@@ -2,6 +2,7 @@ package rpc
 
 import (
 	"github.com/CityOfZion/neo-go/pkg/core/transaction"
+	"github.com/CityOfZion/neo-go/pkg/rpc/wrappers"
 	"github.com/CityOfZion/neo-go/pkg/vm"
 )
 
@@ -27,6 +28,13 @@ type AccountStateResponse struct {
 	Result *Account `json:"result"`
 }
 
+// UnspentResponse represents server response to the `getunspents` command.
+type UnspentResponse struct {
+	responseHeader
+	Error  *Error             `json:"error,omitempty"`
+	Result *wrappers.Unspents `json:"result,omitempty"`
+}
+
 // Account represents details about a NEO account.
 type Account struct {
 	Version    int    `json:"version"`