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Original request: Build an ERC-4626 vault with a mock USDC token and deposit/withdrawal tests. Independently audit the contracts. Build and publicly host an informational website explaining the…

[Stablecoin v4 research | R6] Independent discovery and source-quality challenge Specialist assignment: Conduct independent broad discovery of omissions, fork/rename lineages, other chains and weak…

[Stablecoin v4 research | R3] Endogenous collateral and reflexive systems Specialist assignment: Investigate Terra UST/LUNA, BEAN/Beanstalk, USDN and their discovered 2020–2021 relatives.…

Build a staking page for POOL4's sIMD vault on Ethereum mainnet (chain id 1): stake IMD, receive sIMD, and unstake. The vault is an ERC-4626 at 0x9efa934d9fad4ae28c998a40195646b965a97247 (Staked…

Build the simplest possible website, called hello: a single file, index.html, at the repository root, showing the words Hello World centred on a white page. Plain HTML with a few lines of CSS in a…

Build the simplest possible website, called hello-world: a single file, index.html, at the repository root, that shows the words Hello World centred on a white page. Plain HTML with a few lines of…

Build and independently review a fully on-chain marketplace for any ERC-721 asset, delivered as a Sepolia evm_project launch. Follow evm-project-launch guidance exactly: the launch deploys a…

Build and independently review a fully on-chain marketplace for any ERC-721 asset, delivered as a Sepolia evm_project launch. Follow evm-project-launch guidance exactly: the launch deploys a…

Build a minimal Foundry project with a Counter contract that can increment, decrement without going below zero, and reset to zero by its owner. Include meaningful tests for each behaviour and a…

Build and independently review a fixed-supply launch token and a simple record registry with an explicit owner constructor argument. Follow evm-project-launch guidance, use $token and $owner…

Build and independently review a fixed-supply launch token and a simple record registry with an explicit owner constructor argument. Follow evm-project-launch guidance, use $token and $owner…

Build and independently review Duel Arena, a playable non-hook rock-paper-scissors escrow game, for automatic Sepolia deployment through the evm_project launch pipeline. Deliver a complete…

Build and independently review Duel Arena, a playable non-hook rock-paper-scissors escrow game, for automatic Sepolia deployment through the evm_project launch pipeline. Deliver a complete…

Build a complete standalone Foundry lottery game demo, with a reviewed deployment script for a future Sepolia testnet run. Implement paid ticket entry, bounded rounds with an entry deadline,…

Build one complete, entirely self-contained project in the empty tree, choosing your own layout and writing your own build configuration by hand. Use only the language's own standard library: vendor…

Build and launch TickOracleHook, a Uniswap v4 hook that keeps an on-chain time-weighted tick oracle for every pool it is installed on, together with the ERC-20 the launch mints, from an empty…

Build and launch TickOracleHook, a Uniswap v4 hook that keeps an on-chain time-weighted tick oracle for every pool it is installed on, together with the ERC-20 the launch mints, from an empty…

Build and launch TickOracleHook, a Uniswap v4 hook that keeps an on-chain time-weighted tick oracle for every pool it is installed on, together with the ERC-20 the launch mints, from an empty…

Build and launch TickOracleHook, a Uniswap v4 hook that keeps an on-chain time-weighted tick oracle for every pool it is installed on, together with the ERC-20 the launch mints, from an empty…

Build one complete, entirely self-contained command-line tool in the empty tree, choosing your own layout and writing your own build configuration by hand. Vendor nothing and use no submodules of…

Build one complete, entirely self-contained project in the empty tree, choosing its own layout and writing its own build configuration by hand. Vendor nothing and use no submodules of any kind: the…

Build one small, complete, entirely self-contained project in the empty tree, choosing its own layout and writing its own build configuration by hand. Vendor nothing and use no submodules of any…

Build the smallest complete self-contained project the empty tree can hold, choosing its own layout and writing its own build configuration by hand. Vendor nothing and use no submodules of any kind,…

Build and launch SwapCounterHook, a Uniswap v4 hook that counts swaps per pool, together with the ERC-20 the launch mints, from an empty repository through to a Sepolia deployment. Facts the launch…

Build and launch SwapCounterHook, a Uniswap v4 hook that counts swaps per pool, together with the ERC-20 the launch mints, from an empty repository through to a Sepolia deployment. Facts the launch…

Starting from a tree with nothing in it, stand up a small self-contained Solidity project and nothing more. Write the build configuration and the directory layout by hand. Vendor no third-party code…

Starting from a tree with nothing in it, stand up the smallest possible self-contained Solidity project and nothing more. Write the build configuration and directory layout by hand. Vendor no…

Build and launch SwapCounterHook, a Uniswap v4 hook that counts swaps per pool, from an empty repository through to a Sepolia deployment.

Build and launch SwapCounterHook, a Uniswap v4 hook that counts swaps per pool, from an empty repository through to a Sepolia deployment.

Build and launch SwapCounterHook, a Uniswap v4 hook that counts swaps per pool, from an empty repository through to a Sepolia deployment.

Build and launch SwapCounterHook, a Uniswap v4 hook that counts swaps per pool, from an empty repository through to a Sepolia deployment.

Implement SwapCounterHook: the smallest useful Uniswap v4 hook. It counts swaps. The repository is empty. Scaffold whatever the project needs — foundry.toml, dependencies, remappings — as part of…

On the starter's base hook, build a self-contained per-pool tick extremes recorder. On each swap the hook records, for that pool, the lowest and highest tick it has ever observed and a count of…

On the starter's base hook, build a self-contained per-pool tick extremes recorder. On each swap the hook records, for that pool, the lowest and highest tick it has ever observed and a count of…

Implement SwapCounterHook: the smallest useful Uniswap v4 hook. It counts swaps. Behaviour, in full: - one hook permission, afterSwap, and nothing else. Not beforeSwap, not any returnDelta flag…

Implement SwapCounterHook: the smallest useful Uniswap v4 hook. It counts swaps. Behaviour, in full: - one hook permission, afterSwap, and nothing else. Not beforeSwap, not any returnDelta flag…

Build a self-contained observation hook on the starter's base hook: on each swap it appends the pool's current tick and the block number to a fixed-size ring buffer keyed by pool, and exposes…

Build a self-contained observation hook on the starter's base hook: on each swap it appends the pool's current tick and the block number to a fixed-size ring buffer keyed by pool, and exposes…

Implement FivePercentFeeHook: a Uniswap v4 hook that charges a fixed 5% fee on every swap through any pool it is attached to. Five percent is fixed in the contract — not a constructor argument, not…

Implement FivePercentFeeHook: a Uniswap v4 hook that charges a fixed 5% fee on every swap through any pool it is attached to. Five percent is fixed in the contract — not a constructor argument, not…

Write a self-contained Uniswap v4 hook on the starter's BaseHook that, for each pool, maintains three read-only records: the total number of swaps observed, the number of distinct blocks in which at…

Write a self-contained Uniswap v4 hook on the starter's BaseHook that, for each pool, maintains three read-only records: the total number of swaps observed, the number of distinct blocks in which at…

Write a self-contained Uniswap v4 hook on the starter's BaseHook that tracks, for each pool, the highest and the lowest pool tick observed at a swap since the hook was first used by that pool,…

Write a self-contained Uniswap v4 hook on the starter's BaseHook that tracks, for each pool, the highest and the lowest pool tick observed at a swap since the hook was first used by that pool,…

Write a self-contained Uniswap v4 hook on the starter's BaseHook that records, per pool, the pool tick observed at the first swap of each block, and exposes those recorded snapshots through…

Build a passive observer hook for a single pool: on each swap it increments a per-pool swap counter, records the block of the most recent swap, and marks the calling address as first-seen if it has…

Build a passive observer hook for a single pool: on each swap it increments a per-pool swap counter, records the block of the most recent swap, and marks the calling address as first-seen if it has…

A marketing website for a fictional plumbing company.

A marketing website for a fictional plumbing company.

A marketing website for a fictional plumbing company.

A Uniswap v4 hook that charges a fixed 5% fee on every swap.

A Uniswap v4 hook that charges a fixed 5% fee on every swap.

A Uniswap v4 hook that charges a fixed 5% fee on every swap.

A one-file smoke test of the pipeline.

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Make the hook count swaps. Enable the beforeSwap callback, keep a per-pool counter keyed by pool id, increment it once per swap in either direction, and expose it through a public view function.…

Implement the hook so it charges a fixed swap fee in basis points, taken from the input currency on every swap in both directions, and accrued to the hook rather than to the pool. The fee rate is…

Write a self-contained pure Solidity library for basis-point arithmetic, with no imports and no state, suitable for fee maths in a hook. It should apply a rate in basis points to an amount, split an…