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Blockchain, as a distributed ledger technology, becomes more and more popularin both industry and academia. Each peer in blockchain system maintains a copyof ledger and makes sure of data consistency through consensus protocol.Blockchain system can provide many benefits such as immutability, transparencyand security. Hyperledger Fabric is permissioned blockchain platform hosted byLinux foundation. Fabric has various components such as peer, ordering service,chaincode and state database. The structure of Fabric network is verycomplicated to provide reliable permissioned blockchain service. Generally,developers must deal with hundreds of parameters to configure a network. Thatwill cause many reasonableness problems in configurations. In this paper, wefocus on how to detect reasonableness problems in Fabric configurations.Firstly, we discuss and provide a reasonableness problem knowledge databasebased on the perspectives of functionality, security and performance. Secondly,we implemented a detect tool for reasonableness check to Fabric. Finally, wecollect 108 sample networks as the testing dataset in the experiment. Theresult shows our tool can help developers to locate reasonableness problems andunderstand their network better.

Reasonableness discussion and analysis for Hyperledger Fabric configuration