From it works to it reverts: learning Solidity the hard way

From it works to it reverts: learning Solidity the hard way

I’ve been learning Solidity by building an escrow smart contract for milestone-based payments between clients and artists. But instead of stopping at the happy path — I wanted to understand failure cases too. So I used Foundry to write a full test suite that covers: ✅ role-based access control ✅ milestone validation ✅ reverts for unauthorized actions ✅ edge cases like double validation or overpayments ✅ gas profiling for critical functions All c…