org.hyperledger.fabric.shim

Interface Chaincode

public interface Chaincode

Defines methods that all chaincodes must implement.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	Chaincode.Response Wrapper around protobuf Response, contains status, message and payload.

Method Summary

Modifier and Type	Method and Description
Chaincode.Response	init(ChaincodeStub stub) Called during an instantiate transaction after the container has been established, allowing the chaincode to initialize its internal data.
Chaincode.Response	invoke(ChaincodeStub stub) Called for every Invoke transaction.

Method Detail

init

Chaincode.Response init(ChaincodeStub stub)

Called during an instantiate transaction after the container has been established, allowing the chaincode to initialize its internal data.

Parameters:

stub - the chaincode stub

Returns:

the chaincode response

invoke

Chaincode.Response invoke(ChaincodeStub stub)

Called for every Invoke transaction. The chaincode may change its state variables.

Parameters:

stub - the chaincode stub

Returns:

the chaincode response