Topic
ZKsyncAdvancedzksolc compiles to EraVM, not the EVM: CREATE/CREATE2 addresses differ, factories need known bytecode, every account is a smart account, pubdata changes gas, and the 2300-gas .transfer stipend can fail.
#account-abstraction#scaling#solidity
EthereumIntermediateStorage dominates gas costs: pack variables, cache storage reads, use constant, immutable, calldata and custom errors, emit events for off-chain data, and measure every change with forge snapshot.
#gas-&-fees#performance#solidity
EthereumBeginnerChoose Foundry if your team lives in Solidity and wants fast fuzz and invariant tests; choose Hardhat if contracts ship inside a TypeScript stack. Many teams use both with shared compiler settings.
#dev-tools#solidity#testing
EthereumIntermediateUpdate state before any external call (checks-effects-interactions), add nonReentrant to every function sharing that state, and treat token hooks and user-supplied addresses as external calls.
#security#smart-contracts#solidity
EthereumIntermediateThe EVM hit a REVERT and undid the call. The reason is in the revert data: decode Error(string), Panic codes and custom errors with ethers, or replay a failed transaction with cast run.
#smart-contracts#solidity#troubleshooting
EthereumBeginnerHow to use VS Code to write solidity code for ethereum smart contracts.
#solidity
