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@holgerd77 holgerd77 released this 15 Aug 11:42
· 1 commit to maintenance-v8 since this release
@ethereumjs/[email protected]
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Learn about vigilant mode.

EIP-2537 BLS Precompiles (Prague)

Starting with this release the EVM support the BLS precompiles introduced with EIP-2537. These precompiles run natively using the @noble/curves library (❤️ to @paulmillr!), see PRs #3350 and #3471.

An alternative WASM implementation (using bls-wasm) can be optionally used like this if needed for performance reasons:

import { EVM, MCLBLS } from '@ethereumjs/evm'

const common = new Common({ chain: Chain.Mainnet, hardfork: Hardfork.Prague })
await mcl.init(mcl.BLS12_381)
const mclbls = new MCLBLS(mcl)
const evm = await EVM.create({ common, bls })

Verkle Dependency Decoupling

We have relatively light-heartedly added a new @ethereumjs/verkle main dependency to the VM/EVM stack in the v7.2.1 release, which added an additional burden to the bundle size by several hundred KB and additionally draws in unnecessary WASM code. Coupling with Verkle has been refactored in PR #3462 and the direct dependency has been removed again.

An update to this release is therefore strongly recommended even if other fixes or features are not that relevant for you right now.

Verkle Updates

  • Adds ability to run EIP-7702 EOA code transactions (see tx library for full documentation), see PR #3470
  • Fixes for Kaustinen4 support, PR #3269
  • Kaustinen5 related fixes, PR #3343
  • Kaustinen6 adjustments, verkle-cryptography-wasm migration, PRs #3355 and #3356
  • Update kzg-wasm to 0.4.0, PR #3358
  • Shift Verkle to osaka hardfork, PR #3371
  • Fix accessWitness passing, PR #3405
  • Remove the hacks to prevent account cleanups of system contracts, PR #3418
  • Fix EIP-2935 address conversion issues, PR #3447

Other Features

  • Add support for retroactive EIP-7610, PR #3480
  • Adds bundle visualizer (to be used with npm run visualize:bundle), PR #3463
  • Stricter prefixed hex typing, PRs #3348, #3427 and #3357 (some changes removed in PR #3382 for backwards compatibility reasons, will be reintroduced along upcoming breaking releases)

Other Changes

  • Removes support for EIP-2315 simple subroutines for EVM (deprecated with an alternative version integrated into EOF), PR #3342
  • Update mcl-wasm Dependency (Esbuild Issue), PR #3461

Bugfixes

  • BLS precompile fixes, PR #3400
  • Ignore precompile addresses for some target access events, PR #3366
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