exclude genesis block from consensus validations

ethereumjs · Nov 18, 2022 · 055c9fb · 055c9fb
1 parent a671e21
commit 055c9fb
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Showing 3 changed files with 6 additions and 1 deletion.
diff --git a/packages/block/src/header.ts b/packages/block/src/header.ts
@@ -258,7 +258,10 @@ export class BlockHeader {
     }
 
     // Validate consensus format after block is sealed (if applicable) so extraData checks will pass
-    if (skipValidateConsensusFormat === false) this._consensusFormatValidation()
+    // Also allow genesis to avoid consensus validations as post merge hardforks can be scheduled at
+    // genesis with non zero difficulty causing validation issues
+    if (skipValidateConsensusFormat === false && this.number !== BigInt(0))
+      this._consensusFormatValidation()
 
     const freeze = options?.freeze ?? true
     if (freeze) {

diff --git a/packages/evm/src/evm.ts b/packages/evm/src/evm.ts
@@ -263,6 +263,7 @@ export class EVM implements EVMInterface {
       Hardfork.GrayGlacier,
       Hardfork.MergeForkIdTransition,
       Hardfork.Merge,
+      Hardfork.Shanghai,
     ]
     if (!supportedHardforks.includes(this._common.hardfork() as Hardfork)) {
       throw new Error(

diff --git a/packages/vm/test/api/EIPs/eip-4895-withdrawals.spec.ts b/packages/vm/test/api/EIPs/eip-4895-withdrawals.spec.ts
@@ -182,6 +182,7 @@ tape('EIP4895 tests', (t) => {
 
   t.test('should build a block correctly with withdrawals', async (st) => {
     const common = Common.fromGethGenesis(genesisJSON, { chain: 'custom' })
+    common.setHardforkByBlockNumber(0)
     const genesisState = parseGethGenesisState(genesisJSON)
     const blockchain = await Blockchain.create({
       common,