Add micro-eth-signer/kzg

config/cspell-ts.json

@@ -12,6 +12,7 @@
     }
   ],
   "words": [
+    "paulmillr",
     "t8ntool",
     "!Json",
     "!Rpc",

packages/block/examples/4844.ts

@@ -2,11 +2,12 @@ import { createBlock } from '@ethereumjs/block'
 import { Common, Hardfork, Mainnet } from '@ethereumjs/common'
 import { createBlob4844Tx } from '@ethereumjs/tx'
 import { createAddressFromPrivateKey } from '@ethereumjs/util'
+import { trustedSetup } from '@paulmillr/trusted-setups/fast.js'
 import { randomBytes } from 'crypto'
-import { loadKZG } from 'kzg-wasm'
+import { KZG as microEthKZG } from 'micro-eth-signer/kzg'
 
 const main = async () => {
-  const kzg = await loadKZG()
+  const kzg = new microEthKZG(trustedSetup)
 
   const common = new Common({
     chain: Mainnet,

packages/block/package.json

@@ -55,7 +55,8 @@
     "ethereum-cryptography": "^3.0.0"
   },
   "devDependencies": {
-    "kzg-wasm": "^0.4.0"
+    "@paulmillr/trusted-setups": "^0.1.1",
+    "micro-eth-signer": "^0.11.0"
   },
   "engines": {
     "node": ">=18"

packages/block/test/eip4844block.spec.ts

@@ -6,8 +6,9 @@ import {
   getBlobs,
   randomBytes,
 } from '@ethereumjs/util'
-import { loadKZG } from 'kzg-wasm'
-import { assert, beforeAll, describe, it } from 'vitest'
+import { trustedSetup as fast } from '@paulmillr/trusted-setups/fast.js'
+import { KZG as microEthKZG } from 'micro-eth-signer/kzg'
+import { assert, describe, it } from 'vitest'
 
 import { fakeExponential, getNumBlobs } from '../src/helpers.js'
 import { createBlock, createBlockHeader } from '../src/index.js'
@@ -16,19 +17,14 @@ import { paramsBlock } from '../src/params.js'
 import { hardfork4844Data } from './testdata/4844-hardfork.js'
 
 import type { TypedTransaction } from '@ethereumjs/tx'
-import type { Kzg } from '@ethereumjs/util'
 
 describe('EIP4844 header tests', () => {
-  let common: Common
+  const kzg = new microEthKZG(fast)
 
-  beforeAll(async () => {
-    const kzg = await loadKZG()
-
-    common = createCommonFromGethGenesis(hardfork4844Data, {
-      chain: 'customChain',
-      hardfork: Hardfork.Cancun,
-      customCrypto: { kzg },
-    })
+  const common = createCommonFromGethGenesis(hardfork4844Data, {
+    chain: 'customChain',
+    hardfork: Hardfork.Cancun,
+    customCrypto: { kzg },
   })
 
   it('should work', () => {
@@ -98,18 +94,16 @@ describe('EIP4844 header tests', () => {
 })
 
 describe('blob gas tests', () => {
-  let common: Common
-  let blobGasPerBlob: bigint
-  beforeAll(async () => {
-    const kzg = await loadKZG()
-    common = createCommonFromGethGenesis(hardfork4844Data, {
-      chain: 'customChain',
-      hardfork: Hardfork.Cancun,
-      params: paramsBlock,
-      customCrypto: { kzg },
-    })
-    blobGasPerBlob = common.param('blobGasPerBlob')
+  const kzg = new microEthKZG(fast)
+
+  const common = createCommonFromGethGenesis(hardfork4844Data, {
+    chain: 'customChain',
+    hardfork: Hardfork.Cancun,
+    params: paramsBlock,
+    customCrypto: { kzg },
   })
+  const blobGasPerBlob = common.param('blobGasPerBlob')
+
   it('should work', () => {
     const preShardingHeader = createBlockHeader(
       {},
@@ -158,19 +152,16 @@ describe('blob gas tests', () => {
 })
 
 describe('transaction validation tests', () => {
-  let kzg: Kzg
-  let common: Common
-  let blobGasPerBlob: bigint
-  beforeAll(async () => {
-    kzg = await loadKZG()
-    common = createCommonFromGethGenesis(hardfork4844Data, {
-      chain: 'customChain',
-      hardfork: Hardfork.Cancun,
-      params: paramsBlock,
-      customCrypto: { kzg },
-    })
-    blobGasPerBlob = common.param('blobGasPerBlob')
+  const kzg = new microEthKZG(fast)
+
+  const common = createCommonFromGethGenesis(hardfork4844Data, {
+    chain: 'customChain',
+    hardfork: Hardfork.Cancun,
+    params: paramsBlock,
+    customCrypto: { kzg },
   })
+  const blobGasPerBlob = common.param('blobGasPerBlob')
+
   it('should work', () => {
     const blobs = getBlobs('hello world')
     const commitments = blobsToCommitments(kzg, blobs)

packages/block/test/from-beacon-payload.spec.ts

@@ -1,6 +1,7 @@
 import { Hardfork, createCommonFromGethGenesis } from '@ethereumjs/common'
-import { loadKZG } from 'kzg-wasm'
-import { assert, beforeAll, describe, it } from 'vitest'
+import { trustedSetup as fast } from '@paulmillr/trusted-setups/fast.js'
+import { KZG as microEthKZG } from 'micro-eth-signer/kzg'
+import { assert, describe, it } from 'vitest'
 
 import { devnet4844Config } from '../../client/test/sim/configs/4844-devnet.js'
 import { createBlockFromBeaconPayloadJSON, createBlockHeader } from '../src/index.js'
@@ -10,21 +11,18 @@ import { payloadSlot87335Data } from './testdata/payload-slot-87335.js'
 import { payloadSlot87475Data } from './testdata/payload-slot-87475.js'
 import { testnetVerkleKaustinenData } from './testdata/testnetVerkleKaustinen.js'
 
-import type { Common } from '@ethereumjs/common'
-
+const kzg = new microEthKZG(fast)
 describe('[fromExecutionPayloadJSON]: 4844 devnet 5', () => {
-  let common: Common
-  beforeAll(async () => {
-    const kzg = await loadKZG()
-
-    const commonConfig = { ...devnet4844Config }
-    commonConfig.config = { ...commonConfig.config, chainId: 4844001005 }
-    const network = 'sharding'
-    common = createCommonFromGethGenesis(commonConfig, { chain: network, customCrypto: { kzg } })
-    // safely change chainId without modifying underlying json
-
-    common.setHardfork(Hardfork.Cancun)
+  const commonConfig = { ...devnet4844Config }
+  commonConfig.config = { ...commonConfig.config, chainId: 4844001005 }
+  const network = 'sharding'
+  const common = createCommonFromGethGenesis(commonConfig, {
+    chain: network,
+    customCrypto: { kzg },
   })
+  // safely change chainId without modifying underlying json
+
+  common.setHardfork(Hardfork.Cancun)
 
   it('reconstruct cancun block with blob txs', async () => {
     for (const payload of [payloadSlot87335Data, payloadSlot87475Data]) {

packages/client/bin/cli.ts

@@ -28,6 +28,8 @@ import {
   setLengthLeft,
   short,
 } from '@ethereumjs/util'
+//@ts-ignore trusted-setups doesn't include types
+import { trustedSetup as fast } from '@paulmillr/trusted-setups/fast.js'
 import {
   keccak256 as keccak256WASM,
   secp256k1Expand,
@@ -41,8 +43,8 @@ import { ecdsaRecover, ecdsaSign } from 'ethereum-cryptography/secp256k1-compat'
 import { sha256 } from 'ethereum-cryptography/sha256.js'
 import { existsSync, mkdirSync, readFileSync, rmSync, writeFileSync } from 'fs'
 import * as http from 'http'
-import { loadKZG } from 'kzg-wasm'
 import { Level } from 'level'
+import { KZG as microEthKZG } from 'micro-eth-signer/kzg'
 import { homedir } from 'os'
 import * as path from 'path'
 import * as promClient from 'prom-client'
@@ -927,15 +929,13 @@ async function run() {
     return helpRPC()
   }
 
-  // TODO sharding: Just initialize kzg library now, in future it can be optimized to be
-  // loaded and initialized on the sharding hardfork activation
   // Give chainId priority over networkId
   // Give networkId precedence over network name
   const chainName = args.chainId ?? args.networkId ?? args.network ?? Chain.Mainnet
   const chain = getPresetChainConfig(chainName)
   const cryptoFunctions: CustomCrypto = {}
-  const kzg = await loadKZG()
 
+  const kzg = new microEthKZG(fast)
   // Initialize WASM crypto if JS crypto is not specified
   if (args.useJsCrypto === false) {
     await waitReadyPolkadotSha256()

packages/client/devnets/4844-interop/tools/txGenerator.ts

@@ -12,7 +12,9 @@ import {
 
 import { randomBytes } from '@ethereumjs/util'
 import { Client } from 'jayson/promise'
-import { loadKZG } from 'kzg-wasm'
+import { trustedSetup as fast } from '@paulmillr/trusted-setups/fast.js'
+import { KZG as microEthKZG } from 'micro-eth-signer/kzg'
+const kzg = new microEthKZG(fast)
 
 // CLI Args
 const clientPort = parseInt(process.argv[2]) // EL client port number
@@ -27,8 +29,6 @@ async function getNonce(client: Client, account: string) {
 }
 
 async function run(data: any) {
-  const kzg = await loadKZG()
-
   const common = createCommonFromGethGenesis(genesisJSON, {
     chain: genesisJSON.ChainName ?? 'devnet',
     hardfork: Hardfork.Cancun,

packages/client/package.json

@@ -83,7 +83,8 @@
     "ethereum-cryptography": "^3.0.0",
     "it-pipe": "^1.1.0",
     "jayson": "^4.0.0",
-    "kzg-wasm": "^0.4.0",
+    "@paulmillr/trusted-setups": "^0.1.1",
+    "micro-eth-signer": "^0.11.0",
     "level": "^8.0.0",
     "mcl-wasm": "^1.5.0",
     "memory-level": "^1.0.0",