fabric 智能合约开发

1.智能合约状态图

2.实现功能,通过背书,签收机制实现任务在各部门流转

3.相关sdk

1. Chaincode接口 {Init,Invoke}方法
2. ChaincodeStubInterface接口

　　　　1.GetTxTimestamp

　　　　2.CreateCompositeKey

　　       3.GetQueryResult

              4.GetHistoryForKey

              5.SetEvent　　

              6.GetStateByPartialCompositeKey

              7.GetFunctionAndParameters

              8.PutState

              9.DelState

              10.GetStateByRange

4.代码架构图

5.开发环境(centos7.4,goland)

6.global.go代码

 1 package global
 2 
 3 import "github.com/hyperledger/fabric/common/flogging"
 4 
 5 const (
 6     PrescriptionBlockchain_State_NewPublish     ="NewPublish"
 7     PrescriptionBlockchain_State_EndrWaitSign   ="EndrWaitSign"
 8     PrescriptionBlockchain_state_EndrSigned     ="EndrSigned"
 9     HospitalNO_DayTime_PrescriptionID_IndexName ="hospitalno~daytime-prescriptionid"
10     PatientID_PrescriptionID_IndexName          ="patientid~prescriptionid"
11     State_PrescriptionID_IndexName              ="state~prescriptionid"
12     PendingReceivePrescriptionDeptID_PrescriptionID_IndexName="pendingreceiveprescriptiondeptid~prescriptionid"
13     ReceivingPrescriptionDeptID_PrescriptionID_IndexName="receivingprescriptiondeptid~prescriptionid"
14     OpenPrescriptionDeptID_PrescriptionID_IndexName="openprescriptiondeptid~prescriptionid"
15 )
16 var(
17     Logger =flogging.MustGetLogger("PrescriptionChaincode")
18 )

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