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package service
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import (
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"fmt"
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"github.com/linmadan/egglib-go/core/application"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/application/blockChain/command"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/application/blockChain/dto"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/application/blockChain/query"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/application/factory"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/domain"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/infrastructure/blockchain"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/infrastructure/utils"
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"gitlab.fjmaimaimai.com/allied-creation/allied-creation-user/pkg/log"
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"strconv"
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"time"
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)
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// 区块链服务
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type BlockChainService struct {
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}
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// 数据上链
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func (blockChainService *BlockChainService) UpChain(upChainCommand *command.UpChainCommand) (interface{}, error) {
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if err := upChainCommand.ValidateCommand(); err != nil {
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return nil, application.ThrowError(application.ARG_ERROR, err.Error())
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}
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transactionContext, err := factory.CreateTransactionContext(nil)
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if err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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if err := transactionContext.StartTransaction(); err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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defer func() {
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transactionContext.RollbackTransaction()
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}()
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upChain := &domain.UpChain{
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Source: upChainCommand.Source,
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PrimaryId: upChainCommand.PrimaryId,
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IssueId: upChainCommand.IssueId,
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Data: upChainCommand.Data,
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UpChainStatus: 2,
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CreatedAt: time.Now(),
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}
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// 1. 查重
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upChainRepository, _, _ := factory.FastPgUpChain(transactionContext, 0)
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// 可溯源数据，可重复上传，可以追溯历史修改记录
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if len(upChain.IssueId) == 0 {
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if item, err := upChainRepository.FindOne(map[string]interface{}{"source": upChain.Source, "primaryId": upChain.PrimaryId}); err == nil && item != nil {
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return nil, fmt.Errorf("duplicate message %v %v", upChain.Source, upChain.PrimaryId)
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}
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}
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// 2.上链
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bc := &blockchain.BSNBlockChain{
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PublicPem: []byte(blockchain.PubPem),
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Host: blockchain.Host,
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PublicKey: blockchain.PubKey,
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PrivatePem: blockchain.PriK,
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EnableDebugLog: true,
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}
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options := blockchain.NewUpToChainOptions(upChain.Source, upChain.PrimaryId, upChain.Data).WithInnerPrimaryIssueId(upChain.IssueId)
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upToChainResponse, e := bc.UpToChain(options)
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if e != nil || upToChainResponse == nil {
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upChain.UpFail()
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if e != nil {
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log.Logger.Error("up chain err:" + e.Error())
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}
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} else {
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upChain.UpSuccess(string(*upToChainResponse))
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}
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// 3.保存记录
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if upChain, err = upChainRepository.Save(upChain); err != nil {
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return nil, err
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}
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if err := transactionContext.CommitTransaction(); err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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return upChain, nil
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}
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// 区块链列表
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func (blockChainService *BlockChainService) ListBlockChain(listBlockChain *query.ListBlockChainQuery) (interface{}, error) {
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if err := listBlockChain.ValidateQuery(); err != nil {
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return nil, application.ThrowError(application.ARG_ERROR, err.Error())
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}
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transactionContext, err := factory.CreateTransactionContext(nil)
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if err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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if err := transactionContext.StartTransaction(); err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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defer func() {
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transactionContext.RollbackTransaction()
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}()
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upChainRepository, _, _ := factory.FastPgUpChain(transactionContext, 0)
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queryOptions := utils.ObjectToMap(listBlockChain)
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_, upChains, err := upChainRepository.Find(queryOptions)
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if err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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response := dto.NewBlockChains(upChains)
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if err := transactionContext.CommitTransaction(); err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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return response, nil
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}
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func (blockChainService *BlockChainService) GetBlockChainToken(listBlockChain *query.GetBlockChainTokenQuery) (interface{}, error) {
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if err := listBlockChain.ValidateQuery(); err != nil {
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return nil, application.ThrowError(application.ARG_ERROR, err.Error())
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}
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transactionContext, err := factory.CreateTransactionContext(nil)
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if err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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if err := transactionContext.StartTransaction(); err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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defer func() {
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transactionContext.RollbackTransaction()
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}()
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upChainRepository, _, _ := factory.FastPgUpChain(transactionContext, 0)
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upChain, err := upChainRepository.FindOne(map[string]interface{}{"upChainId": listBlockChain.UpChainId})
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if err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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var request = blockchain.GetTokenRequest{
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Type: listBlockChain.Type,
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ShowValue: true,
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}
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bsn := newBSNBlockChain()
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switch listBlockChain.Type {
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case blockchain.QueryByHashId:
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request.TsTxId = upChain.Hash
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case blockchain.QueryByIssueId:
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request.TsTxId = upChain.Hash
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request.IssueId = upChain.IssueId
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default:
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return nil, application.ThrowError(application.ARG_ERROR, "unknown type "+strconv.Itoa(listBlockChain.Type))
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}
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getTokenResponse, err := bsn.GetToken(&request)
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if err != nil {
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log.Logger.Error(err.Error())
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return nil, application.ThrowError(application.BUSINESS_ERROR, "不存在")
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}
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if err := transactionContext.CommitTransaction(); err != nil {
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return nil, application.ThrowError(application.TRANSACTION_ERROR, err.Error())
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}
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return map[string]interface{}{
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"token": getTokenResponse.Token,
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"browseUrl": fmt.Sprintf("%v?token=%v", blockchain.BlockBrowserAddress, getTokenResponse.Token),
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}, nil
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}
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func newBSNBlockChain() *blockchain.BSNBlockChain {
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// 2.上链
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bc := &blockchain.BSNBlockChain{
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PublicPem: []byte(blockchain.PubPem),
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Host: blockchain.Host,
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PublicKey: blockchain.PubKey,
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PrivatePem: blockchain.PriK,
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EnableDebugLog: true,
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}
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return bc
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}
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func NewBlockChainService(options map[string]interface{}) *BlockChainService {
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newBlockChainService := &BlockChainService{}
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return newBlockChainService
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} |
...
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...
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