Week in Ethereum News
August 21, 2021

Eth News and Links

Mainnet execution layer

  • Geth releasing hotfix on August 24 for undisclosed high severity security issue
  • Latest core devs call video. Notes from Tim Beiko;
    • London retrospective
    • ~December upgrade for difficulty bomb delay and potentially constant tweaks for EIP1559, no new EIPs before PoW switch off 
    • Clients focusing on PoW switch off and internal improvements
  • Erigon v2021.08.03: datadir parameter not backward-compatible and fix for trace_ RPC
  • Nethermind v1.11.0: added trace_filter and JSON RPC over IPC 
  • Network capacity ~9% higher post London due to ice age delay, pre-London blocks not always being full and EIP1559 formula
  • Visualization of estimated gas price 100k blocks before and after London upgrade, less volatility means fewer weekend downswings
  • Node crawler alpha, drill down by client, version and operating system


Proof of stake consensus layer


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Stuff for developers

  • web3.js v1.5.2: removed default of transactions to Type 0
  • Remix IDE v0.16.2: Metamask v10.0.0+ support for type 2 transactions  
  • OpenZeppelin Contracts v4.3: modular on-chain governance based on Compound’s GovernorAlpha/GovernorBravo and ERC interfaces 
  • Guide to verifying a contract on Etherscan from OpenZeppelin
  • Hardhat difference between Hardhat Network and other configured networks
  • ts-essentials v8.0.0: updated for TypeScript v4
  • ethers-flashbots (Rust): ethers middleware to send transactions as Flashbots bundles
  • poseidon-tornado: Tornado Cash fork using Poseidon Hash
  • Typescript-eth-starter: simple Greeter smart contract on localhost and Rinkeby with React stack
  • Web3-Boilerplate: using RedwoodJS, Simple Wallet connector and useDapp
  • Lambda School developing blockchain course to convert developers to crypto developers




Application layer



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