Certified Hyperledger Fabric Developer (CHFD)

CHFD Domains & Competencies v1.0

Identity Management – 7%

• Instantiate a wallet
• Import identities to a wallet
• Select and manage identity from a wallet

Network Configuration – 8%

• Create and use connection profiles
• Instantiate and connect to a gateway
• Access networks and contracts

Smart Contract Development – 40%

• Define smart contract class/construct
• Define transaction functions
• Validate and sanitize inputs and arguments
• Implement deterministic logic/code
• Simple state interaction (Get, Put, Delete)
• Execute simple queries
• Create complex queries
• Define assets using key value pairs
• Identify potentially private data
• Incorporate private data collection
• Implement attribute based access control
• Initialization of the ledger state
• Install and instantiate a smart contract

Smart Contract Invocation – 25%

• Invoke smart contracts via CLI
• Submit one or more transactions
• Evaluate transaction functions e.g. for queries
• Query transaction history
• Call a transaction using transaction class (stateful)
• Create and issue an application contract
• Register and handle channel-based events

Maintenance and Testing – 20%

• Handle error and success responses
• Identify and review logs
• Unit test contracts
• Diagnose and endorse policy conflicts
• Identify and correct non-determinism in functions
• Troubleshoot transaction flow