March 2019
Intermediate to advanced
636 pages
27h 50m
English
book
Blockchain Development with Hyperledger
by Salman A. Baset, Luc Desrosiers, Nitin Gaur, Petr Novotny
Content preview from Blockchain Development with Hyperledger
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Additional SHIM API functions
In this section, we provide an overview of the remaining API functions of shim available to chaincode.
// Returns an unique Id of the transaction proposal. func GetTxID() string // Returns an Id of the channel the transaction proposal was sent to. func GetChannelID() string // Calls an Invoke function on a specified chaincode, in the context of the current transaction. // If the invoked chaincode is on the same channel, the ReadSet and WriteSet will be added into the same transaction. // If the invoked chaincode is on a different channel, the invocation can be used only as a query. func InvokeChaincode(chaincodeName string, args [][]byte, channel string) pb.Response // Returns a list of historical states, timestamps ...
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