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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Middleware – wrapping and driving the chaincode
The following diagram maps the transaction stages discussed in the Application and Transaction Stages
section and illustrated in Figure 5.1: The stages in the creation and operation of a blockchain application, to Fabric terms and using Fabric terminology:
Figure 5.3: The stages in the creation and operation of a blockchain application
Fabric peers, orderers, and CAs (or MSPs) communicate using gRPC (https://grpc.io/), as well as the process spawned by the peer to run the chaincode (the process is really a Docker container). This process exports a service endpoint implementing the JSON RPC 2.0 ...
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