Package org.hyperledger.fabric.shim

Provides interfaces and classes required for chaincode development and state variable access.

It is possible to implement Java chaincode by extending the ChaincodeBase class however new projects should should implement ContractInterface and use the contract programming model instead.

See Also:

org.hyperledger.fabric.contract, ChaincodeBase

Interface Summary

Interface	Description
Chaincode	Defines methods that all chaincodes must implement.
ChaincodeServer	External chaincode server.
ChaincodeStub	An object which manages the transaction context, provides access to state variables, and supports calls to other chaincode implementations.
GrpcServer	Common interface for grpc server.

Class Summary

Class	Description
Chaincode.Response	Wrapper around protobuf Response, contains status, message and payload.
ChaincodeBase	Abstract implementation of Chaincode.
ChaincodeServerProperties
ChatChaincodeWithPeer
NettyChaincodeServer
NettyGrpcServer	implementation grpc server with NettyGrpcServer.
ResponseUtils

Enum Summary

Enum	Description
Chaincode.Response.Status	Chaincode.Response status enum.
ChaincodeBase.CCState	Chaincode State.

Exception Summary

Exception	Description
ChaincodeException	Contracts should use ChaincodeException to indicate when an error occurs in Smart Contract logic.