Initialize runTx() default block with simpler constructor to avoid dr…

…awing all txs in

packages/block/src/block/constructors.ts

@@ -119,6 +119,18 @@ export function createBlock(blockData: BlockData = {}, opts?: BlockOptions) {
   )
 }
 
+/**
+ * Simple static constructor if only an empty block is needed
+ * (tree shaking advantages since it does not draw all the tx constructors in)
+ *
+ * @param headerData
+ * @param opts
+ */
+export function createEmptyBlock(headerData: HeaderData, opts?: BlockOptions) {
+  const header = createBlockHeader(headerData, opts)
+  return new Block(header)
+}
+
 /**
  * Static constructor to create a block from an array of Bytes values
  *

packages/block/test/block.spec.ts

@@ -20,6 +20,7 @@ import {
   createBlockFromBytesArray,
   createBlockFromRLPSerializedBlock,
   createBlockFromRPC,
+  createEmptyBlock,
   paramsBlock,
 } from '../src/index.js'
 
@@ -46,6 +47,9 @@ describe('[Block]: block functions', () => {
       'should use custom parameters provided',
     )
 
+    const emptyBlock = createEmptyBlock({}, { common })
+    assert.ok(bytesToHex(emptyBlock.hash()), 'block should initialize')
+
     // test default freeze values
     // also test if the options are carried over to the constructor
     block = createBlock({})

packages/vm/src/runTx.ts

@@ -1,4 +1,4 @@
-import { cliqueSigner, createBlock } from '@ethereumjs/block'
+import { cliqueSigner, createEmptyBlock } from '@ethereumjs/block'
 import { ConsensusType, Hardfork } from '@ethereumjs/common'
 import { RLP } from '@ethereumjs/rlp'
 import { Blob4844Tx, Capability, isBlob4844Tx } from '@ethereumjs/tx'
@@ -81,7 +81,7 @@ export async function runTx(vm: VM, opts: RunTxOpts): Promise<RunTxResult> {
   }
 
   // create a reasonable default if no block is given
-  opts.block = opts.block ?? createBlock({}, { common: vm.common })
+  opts.block = opts.block ?? createEmptyBlock({}, { common: vm.common })
 
   if (opts.skipHardForkValidation !== true) {
     // If block and tx don't have a same hardfork, set tx hardfork to block