Solidity Treasures

Run a custom-rule static pass before every audit handoff Most Solidity linters ship fixed detectors. radar takes a different angle: you write detection rules in Python against the AST/IR, so project-specific invariants ("this modifier must guard every state-changing fn", "no delegatecall to non-immutable targets") beco…

A singleton wallet you delegate to, not deploy: EIP-7702 in practice Uniswap open-sourced calibur , a non-upgradeable singleton wallet contract designed to be set as the delegation target in an EIP-7702 transaction. Your EOA points its code at one shared implementation instead of deploying a per-user proxy. Why it matt…

Nice initiative from a leading audit firm! They review your code and provide patches with suggested fixes 😍 https://trailofbits.com/patch-the-planet @soliditypedia

Native UTXOs on Ethereum: state that can be spent, not just accumulated Every time an address receives ETH for the first time, it gets a permanent account entry. State only grows. The proposal adds a UTXO layer alongside the account model: value lives in discrete, spendable outputs that vanish from state once consumed.…

A Yul optimizer bug could silently miscompile mutually recursive functions On May 11 2026, the Solidity team found the optimizer's call graph analysis sometimes classified mutually recursive functions as non-recursive. Such functions were then wrongly excluded from memory spilling — the mechanism that saves stack slots…