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GeezerVison is showing github.com — CovenantSQL/types/update_service_type.go at develop · CovenantSQL/CovenantSQL

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update_service_type.go

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/*
* Copyright 2018 The CovenantSQL Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package types
import (
"github.com/CovenantSQL/CovenantSQL/crypto/asymmetric"
"github.com/CovenantSQL/CovenantSQL/crypto/verifier"
"github.com/CovenantSQL/CovenantSQL/proto"
)
//go:generate hsp
// UpdateType defines service update type.
type UpdateType int32
const (
// CreateDB indicates create database operation.
CreateDB UpdateType = iota
// UpdateDB indicates database peers update operation.
UpdateDB
// DropDB indicates drop database operation.
DropDB
)
// UpdateServiceHeader defines service update header.
type UpdateServiceHeader struct {
Op UpdateType
Instance ServiceInstance
}
// SignedUpdateServiceHeader defines signed service update header.
type SignedUpdateServiceHeader struct {
UpdateServiceHeader
verifier.DefaultHashSignVerifierImpl
}
// UpdateService defines service update type.
type UpdateService struct {
proto.Envelope
Header SignedUpdateServiceHeader
}
// UpdateServiceResponse defines empty response entity.
type UpdateServiceResponse struct{}
// Verify checks hash and signature in update service header.
func (sh *SignedUpdateServiceHeader) Verify() (err error) {
return sh.DefaultHashSignVerifierImpl.Verify(&sh.UpdateServiceHeader)
}
// Sign the request.
func (sh *SignedUpdateServiceHeader) Sign(signer *asymmetric.PrivateKey) (err error) {
return sh.DefaultHashSignVerifierImpl.Sign(&sh.UpdateServiceHeader, signer)
}
// Verify checks hash and signature in update service.
func (s *UpdateService) Verify() error {
return s.Header.Verify()
}
// Sign the request.
func (s *UpdateService) Sign(signer *asymmetric.PrivateKey) (err error) {
// sign
return s.Header.Sign(signer)
}
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