feat: 引入签名认证、加密工具包及大量goctl代码生成模板，并更新API、Admin和Node服务逻辑。

pkg/xerr/errcode.go

@@ -19,4 +19,9 @@ const (
 	PaymentFailed       = 4001
 	SubscribeExpired    = 5001
 	NodeAuthFailed      = 6001
+	SignatureMissing    = 7001
+	SignatureExpired    = 7002
+	SignatureInvalid    = 7003
+	SignatureReplay     = 7004
+	DecryptFailed       = 7005
 )

pkg/xerr/errmsg.go

@@ -19,6 +19,18 @@ var codeText = map[int]string{
 	PaymentFailed:       "支付失败",
 	SubscribeExpired:    "订阅已过期",
 	NodeAuthFailed:      "节点认证失败",
+	SignatureMissing:    "缺少签名头",
+	SignatureExpired:    "签名已过期",
+	SignatureInvalid:    "签名错误",
+	SignatureReplay:     "重放攻击",
+	DecryptFailed:       "解密失败",
+}
+
+func IsCodeErr(errcode uint32) bool {
+	if _, ok := codeText[int(errcode)]; ok {
+		return true
+	}
+	return false
 }
 
 func MapErrMsg(code int) string {

pkg/xerr/errors.go

@@ -0,0 +1,39 @@
+package xerr
+
+import "fmt"
+
+// ICodeError 定义业务错误接口，用于跨包识别
+type ICodeError interface {
+	GetErrCode() int
+	GetErrMsg() string
+}
+
+type CodeError struct {
+	errCode int
+	errMsg  string
+}
+
+// 错误返回的 Error() 方法
+func (e *CodeError) Error() string {
+	return fmt.Sprintf("ErrCode:%d，ErrMsg:%s", e.errCode, e.errMsg)
+}
+
+func (e *CodeError) GetErrCode() int {
+	return e.errCode
+}
+
+func (e *CodeError) GetErrMsg() string {
+	return e.errMsg
+}
+
+func NewErrCodeMsg(errCode int, errMsg string) *CodeError {
+	return &CodeError{errCode: errCode, errMsg: errMsg}
+}
+
+func NewErrCode(errCode int) *CodeError {
+	return &CodeError{errCode: errCode, errMsg: MapErrMsg(errCode)}
+}
+
+func NewErrMsg(errMsg string) *CodeError {
+	return &CodeError{errCode: ServerError, errMsg: errMsg}
+}