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fileauth.go
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fileauth.go
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// Copyright (c) 2021 PaddlePaddle Authors. All Rights Reserved.
// 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 fabric
import (
"encoding/json"
"github.com/PaddlePaddle/PaddleDTX/xdb/blockchain"
"github.com/PaddlePaddle/PaddleDTX/xdb/errorx"
)
// PublishFileAuthApplication used for appliers to publish file authorization application
func (f *Fabric) PublishFileAuthApplication(opt *blockchain.PublishFileAuthOptions) error {
opts, err := json.Marshal(*opt)
if err != nil {
return errorx.NewCode(err, errorx.ErrCodeInternal,
"failed to marshal PublishFileAuthOptions")
}
if _, err := f.InvokeContract([][]byte{opts}, "PublishFileAuthApplication"); err != nil {
return err
}
return nil
}
// ConfirmFileAuthApplication dataOwner node confirms the applier's file authorization application
func (f *Fabric) ConfirmFileAuthApplication(opt *blockchain.ConfirmFileAuthOptions) error {
return f.setFileAuthConfirmStatus(opt, true)
}
// RejectFileAuthApplication dataOwner node rejects the applier's file authorization application
// and gives the reason for the rejection
func (f *Fabric) RejectFileAuthApplication(opt *blockchain.ConfirmFileAuthOptions) error {
return f.setFileAuthConfirmStatus(opt, false)
}
// setFileAuthConfirmStatus set file's authorization application status into the blockchain
func (f *Fabric) setFileAuthConfirmStatus(opt *blockchain.ConfirmFileAuthOptions, isConfirm bool) error {
opts, err := json.Marshal(*opt)
if err != nil {
return errorx.NewCode(err, errorx.ErrCodeInternal,
"fail to marshal ConfirmFileAuthOptions")
}
mName := "RejectFileAuthApplication"
if isConfirm {
mName = "ConfirmFileAuthApplication"
}
if _, err := f.InvokeContract([][]byte{opts}, mName); err != nil {
return err
}
return nil
}
// ListFileAuthApplications query the list of authorization applications
// Support query by time range and fileID
func (f *Fabric) ListFileAuthApplications(opt *blockchain.ListFileAuthOptions) (blockchain.FileAuthApplications, error) {
var fas blockchain.FileAuthApplications
opts, err := json.Marshal(*opt)
if err != nil {
return fas, errorx.NewCode(err, errorx.ErrCodeInternal,
"fail to marshal FileAuthApplications")
}
s, err := f.QueryContract([][]byte{opts}, "ListFileAuthApplications")
if err != nil {
return fas, err
}
if err = json.Unmarshal(s, &fas); err != nil {
return fas, errorx.NewCode(err, errorx.ErrCodeInternal,
"fail to unmarshal fileAuthApplications")
}
return fas, nil
}
// GetAuthApplicationByID query authorization application detail by authID
func (f *Fabric) GetAuthApplicationByID(authID string) (blockchain.FileAuthApplication, error) {
var fa blockchain.FileAuthApplication
s, err := f.QueryContract([][]byte{[]byte(authID)}, "GetAuthApplicationByID")
if err != nil {
return fa, err
}
if err = json.Unmarshal(s, &fa); err != nil {
return fa, errorx.NewCode(err, errorx.ErrCodeInternal, "fail to unmarshal FileAuthApplication")
}
return fa, nil
}