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Blockchain & Smart Contracts (Solidity) · Module 7 of 10

Testing and deployment

Test thoroughly and deploy safely.

📖 Key ideas

  1. Write unit tests for every function and edge case.
  2. Test reverts, access control and events.
  3. Use fuzz testing (Foundry) for unexpected inputs.
  4. Deploy to testnets with scripts; verify source on Etherscan.
  5. Keep deployer keys safe; consider multisig wallets for admin roles.
💡 Real-life example: Testing smart contracts is checking every lock on a vault before putting money inside.
Unit testTest for a function
Fuzz testingRandom input testing
Contract verificationPublishing source on explorers
MultisigWallet requiring multiple signatures