rpc/response: drop duplicating AccountState structure

pkg/rpc/response/types.go

@@ -27,7 +27,7 @@ type InvokeResult struct {
 // AccountState holds the getaccountstate response.
 type AccountState struct {
 	Header
-	Result *Account `json:"result"`
+	Result *result.AccountState `json:"result"`
 }
 
 // Unspent represents server response to the `getunspents` command.
@@ -36,22 +36,6 @@ type Unspent struct {
 	Result *result.Unspents `json:"result,omitempty"`
 }
 
-// Account represents details about a NEO account.
-type Account struct {
-	Version    int    `json:"version"`
-	ScriptHash string `json:"script_hash"`
-	Frozen     bool
-	// TODO: need to check this field out.
-	Votes    []interface{}
-	Balances []*Balance
-}
-
-// Balance represents details about a NEO account balance.
-type Balance struct {
-	Asset string `json:"asset"`
-	Value string `json:"value"`
-}
-
 // Header is a generic JSON-RPC 2.0 response header (ID and JSON-RPC version).
 type Header struct {
 	ID      json.RawMessage `json:"id"`