Service Discovery for Hyperledger Fabric
Yacov Manevich, Artem Barger, Yoav Tock

TL;DR
This paper introduces a Service Discovery mechanism for Hyperledger Fabric that enables dynamic configuration retrieval, improving client adaptability, reliability, and ease of use in blockchain applications.
Contribution
It designs and implements a Service Discovery API that bridges the gap between smart contract configuration and client SDK, facilitating rapid adaptation to platform changes.
Findings
Enhanced client reliability through dynamic configuration
Simplified blockchain application development
Improved platform adaptability and usability
Abstract
Hyperledger Fabric (HLF) is a modular and extensible permissioned blockchain platform released to open-source and hosted by the Linux Foundation. The platform's design exhibits principles required by enterprise grade business applications like supply-chains, financial transactions, asset management, food safety, and many more. For that end HLF introduces several innovations, two of which are smart contracts in general purpose languages (\emph{chaincode} in HLF), and flexible endorsement policies, which govern whether a transaction is considered valid. Typical blockchain applications are comprised of two tiers: the first tier focuses on the modelling of the data schema and embedding of business rules into the blockchain by means of smart contracts (\emph{chaincode}) and endorsment policies; and the second tier uses the SDK (Software Development Kit) provided by HLF to implement client…
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