Uniswap V4 Hooks: Dynamic Fees and Swap Simulation for Bots
Simulate Uniswap v4 swaps with the real sender, router and hook data. Understand dynamic fees, callback permissions, Quoter limits and pinned-state eth_call.
Ethers-Js
EIP-7708: ETH Transfer Logs in Glamsterdam
Decode proposed EIP-7708 native ETH transfer logs with ethers.js. Exact topics, system address, excluded balance changes and reorg handling for indexers.
Detect New Uniswap Pools on Ethereum: V2, V3 and V4 With ethers.js
Find new Uniswap v2, v3 and v4 pools with ethers.js v6. Decode factory and PoolManager logs, scan bounded ranges and detect checkpoint reorgs.
ERC-20 Transfer Webhooks: Build One in 50 Lines on a Co-located Node
Build an ERC-20 transfer webhook in 50 lines with ethers.js v6: WebSocket subscription, reorg-safe confirmations, HMAC signing, retries and backfill.
eth_getLogs Block Range Limits: Why Your Queries Fail and How to Fetch 1,000 Blocks at Once
Why eth_getLogs returns block range and result-count errors across RPC providers, and how to query thousands of blocks reliably with adaptive chunking.
How to Access the Ethereum Mempool: Streaming Pending Transactions From a Co-located Node
How to read the Ethereum mempool: stream pending transactions over eth_subscribe, fetch full tx bodies, decode them, and why a co-located node sees more, sooner.
IPC vs HTTP vs WebSocket: The Fastest Way to Talk to an Ethereum Node
How HTTP, WebSocket, and IPC transports compare for Ethereum RPC latency, with a benchmark you can run, and when sub-millisecond IPC actually matters.