Tag: blockchain

Build realistic DeFi test data: fee-on-transfer, rebasing and blacklistable token mocks, forked mainnet state and failure scenarios, with Hardhat code.

How to test upgradeable contracts: storage layout checks, proxy upgrade simulation, initializer tests, gas checks and a pre-upgrade checklist.

Set up automated smart contract tests with Hardhat and ethers v6, run them in GitHub Actions on every push, and add gas, fuzz and fork tests.

Budget for web3 testing: audits, QA salaries, infrastructure and gas, with sourced ranges and a sample annual budget for a mid-sized project.

Web3 testing differs from web2 in environment, state, async behavior, security, performance and auth. Practical fixes for each, with Hardhat examples.