init

.gitignore

@@ -1,2 +1,3 @@
 node_modules
-lib
+lib
+.idea

package.json

@@ -1,5 +1,5 @@
 {
-  "name": "web3-plugin-template",
+  "name": "web3-plugin-tx-eip4844",
   "version": "1.0.0",
   "description": "Template plugin to extend web3.js with additional methods",
   "main": "lib/index.js",
@@ -19,23 +19,30 @@
   "license": "MIT",
   "repository": {
     "type": "git",
-    "url": "[email protected]:web3/web3.js-plugin-template.git"
+    "url": "[email protected]:web3/web3.js-plugin-tx-eip4844.git"
   },
   "dependencies": {
+    "@chainsafe/ssz": "^0.14.0",
+    "@ethereumjs/rlp": "4",
+    "ethereum-cryptography": "^2.1.2",
+    "web3-eth-accounts": "^4.0.6",
+    "web3-utils": "^4.0.6",
+    "web3-validator": "^2.0.2"
   },
   "devDependencies": {
     "@chainsafe/eslint-config": "^2.0.0",
+    "@ethereumjs/common": "^3.2.0",
+    "@ethereumjs/util": "^8.1.0",
     "@types/jest": "^29.5.2",
     "@types/node": "^20.2.6",
-    "eslint": "8",
+    "crypto": "^1.0.1",
+    "eslint": "^8.51.0",
     "jest": "^29.5.0",
     "jest-extended": "^4.0.0",
     "ts-jest": "^29.1.0",
     "ts-node": "^10.9.1",
     "typescript": "^5.1.3",
-    "web3": "^4.0.3"
+    "web3": "^4.1.2"
   },
-  "peerDependencies": {
-    "web3": ">= 4.0.3"
-  }
+  "peerDependencies": {}
 }

src/eip4844/const.ts

@@ -0,0 +1,23 @@
+// eslint-disable-next-line import/no-extraneous-dependencies
+import { secp256k1 } from "ethereum-cryptography/secp256k1";
+
+export const MAX_INTEGER = BigInt(
+  "0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff"
+);
+export const SECP256K1_ORDER = secp256k1.CURVE.n;
+export const SECP256K1_ORDER_DIV_2 = SECP256K1_ORDER / BigInt(2);
+export const BIGINT_27 = BigInt(27);
+export const BIGINT_0 = BigInt(0);
+export const BIGINT_1 = BigInt(1);
+export const LIMIT_BLOBS_PER_TX = 16777216; // 2 ** 24
+export const FIELD_ELEMENTS_PER_BLOB = 4096;
+export const BYTES_PER_FIELD_ELEMENT = 32;
+export const USEFUL_BYTES_PER_BLOB = 32 * FIELD_ELEMENTS_PER_BLOB;
+export const MAX_BLOBS_PER_TX = 2;
+export const MAX_USEFUL_BYTES_PER_TX =
+  USEFUL_BYTES_PER_BLOB * MAX_BLOBS_PER_TX - 1;
+export const BLOB_SIZE = BYTES_PER_FIELD_ELEMENT * FIELD_ELEMENTS_PER_BLOB;
+export const BIGINT_CACHE: bigint[] = [];
+for (let i = 0; i <= 256 * 256 - 1; i++) {
+  BIGINT_CACHE[i] = BigInt(i);
+}

src/eip4844/hardfork.ts

@@ -0,0 +1,36 @@
+import type { HardforkConfig } from "./types.js";
+
+enum Status {
+  Draft = "draft",
+  Review = "review",
+  Final = "final",
+}
+
+export const hardforks: HardforkConfig = {
+  name: "cancun",
+  comment:
+    "Next feature hardfork after shanghai, includes proto-danksharding EIP 4844 blobs (still WIP hence not for production use), transient storage opcodes, parent beacon block root availability in EVM, selfdestruct only in same transaction, and blob base fee opcode",
+  url: "https://github.com/ethereum/execution-specs/blob/master/network-upgrades/mainnet-upgrades/cancun.md",
+  status: Status.Final,
+  eips: [1153, 4844, 4788, 5656, 6780, 7516],
+};
+export enum Hardfork {
+  Chainstart = "chainstart",
+  Homestead = "homestead",
+  Dao = "dao",
+  TangerineWhistle = "tangerineWhistle",
+  SpuriousDragon = "spuriousDragon",
+  Byzantium = "byzantium",
+  Constantinople = "constantinople",
+  Petersburg = "petersburg",
+  Istanbul = "istanbul",
+  MuirGlacier = "muirGlacier",
+  Berlin = "berlin",
+  London = "london",
+  ArrowGlacier = "arrowGlacier",
+  GrayGlacier = "grayGlacier",
+  MergeForkIdTransition = "mergeForkIdTransition",
+  Paris = "paris",
+  Shanghai = "shanghai",
+  Cancun = "cancun",
+}