chore: rm c-kzg

Author: jxom

package.json

@@ -52,17 +52,18 @@
     "@changesets/changelog-github": "^0.4.8",
     "@changesets/cli": "^2.27.9",
     "@ethereumjs/rlp": "^5.0.2",
+    "@paulmillr/trusted-setups": "^0.1.2",
     "@pimlico/alto": "0.0.4",
     "@size-limit/preset-big-lib": "^11.1.6",
     "@types/bun": "^1.1.11",
     "@types/node": "^20.16.12",
     "@vitest/coverage-v8": "^1.0.4",
     "@vitest/ui": "^1.0.4",
     "bun": "^1.1.30",
-    "c-kzg": "^2.1.2",
     "ethers": "^6.13.4",
     "glob": "^10.4.5",
     "knip": "^5.33.3",
+    "micro-eth-signer": "^0.14.0",
     "permissionless": "^0.2.14",
     "prool": "0.0.23",
     "publint": "^0.2.11",
@@ -72,7 +73,6 @@
     "typescript": "5.6.2",
     "vitest": "^1.0.4"
   },
-  "trustedDependencies": ["c-kzg"],
   "packageManager": "[email protected]",
   "engines": {
     "node": "23.x"

pnpm-lock.yaml

@@ -1,12 +1,9 @@
 import { readFileSync } from 'node:fs'
 import { resolve } from 'node:path'
-import * as cKzg from 'c-kzg'
 import { describe, expect, test } from 'vitest'
 
-import '../../../test/src/kzg.js'
-import type { Kzg } from '../../types/kzg.js'
+import { kzg } from '../../../test/src/kzg.js'
 import { hexToBytes } from '../index.js'
-import { defineKzg } from './defineKzg.js'
 
 const blobToKzgCommitmentCases = JSON.parse(
   readFileSync(
@@ -21,19 +18,6 @@ const computeBlobKzgProofCases = JSON.parse(
   ),
 )
 
-let kzg: Kzg
-
-test('defineKzg', () => {
-  kzg = defineKzg(cKzg)
-
-  expect(kzg).toMatchInlineSnapshot(`
-    {
-      "blobToKzgCommitment": [Function],
-      "computeBlobKzgProof": [Function],
-    }
-  `)
-})
-
 describe('blobToKzgCommitment', () => {
   for (const data of blobToKzgCommitmentCases) {
     test(data.name, () => {

src/utils/kzg/defineKzg.test.ts

@@ -1,11 +1,21 @@
-import * as cKzg from 'c-kzg'
 import { expect, test } from 'vitest'
 
 import { mainnetTrustedSetupPath } from '../../node/index.js'
 import { setupKzg } from './setupKzg.js'
 
 test('setupKzg', () => {
-  const kzg = setupKzg(cKzg, mainnetTrustedSetupPath)
+  const kzg = setupKzg(
+    {
+      loadTrustedSetup() {},
+      blobToKzgCommitment() {
+        return new Uint8Array()
+      },
+      computeBlobKzgProof() {
+        return new Uint8Array()
+      },
+    },
+    mainnetTrustedSetupPath,
+  )
 
   expect(kzg).toMatchInlineSnapshot(`
     {

src/utils/kzg/setupKzg.test.ts

@@ -1,10 +1,23 @@
 import { readFileSync } from 'node:fs'
 import { resolve } from 'node:path'
-import * as cKzg from 'c-kzg'
-import { mainnetTrustedSetupPath } from '~viem/node/trustedSetups.js'
-import { setupKzg } from '~viem/utils/kzg/setupKzg.js'
+import { trustedSetup as fastSetup } from '@paulmillr/trusted-setups/fast.js'
+import { KZG } from 'micro-eth-signer/kzg'
+import { bytesToHex, defineKzg, hexToBytes } from '../../src/index.js'
 
-export const kzg = setupKzg(cKzg, mainnetTrustedSetupPath)
+const k = new KZG(fastSetup)
+export const kzg = defineKzg({
+  blobToKzgCommitment(blob) {
+    return hexToBytes(k.blobToKzgCommitment(bytesToHex(blob)) as `0x${string}`)
+  },
+  computeBlobKzgProof(blob, commitment) {
+    return hexToBytes(
+      k.computeBlobProof(
+        bytesToHex(blob),
+        bytesToHex(commitment),
+      ) as `0x${string}`,
+    )
+  },
+})
 
 export const blobData = readFileSync(
   resolve(__dirname, '../kzg/lorem-ipsum.txt'),