fix: insert genesis hash into db

crates/anvil/src/config.rs

@@ -1091,7 +1091,12 @@ latest block number: {latest_block}"
  total_difficulty: block.header.total_difficulty.unwrap_or_default(),
  };
 
- (ForkedDatabase::new(backend, block_chain_db), config)
+ let mut db = ForkedDatabase::new(backend, block_chain_db);
+
+ // need to insert the forked block's hash
+ db.insert_block_hash(U256::from(config.block_number), config.block_hash);
+
+ (db, config)
  }
 }
 

crates/anvil/src/eth/backend/fork.rs

@@ -79,15 +79,13 @@ impl ClientFork {
  let base_fee = block.header.base_fee_per_gas;
  let total_difficulty = block.header.total_difficulty.unwrap_or_default();
 
- self.config.write().update_block(
- block.header.number.ok_or(BlockchainError::BlockNotFound)?.to::<u64>(),
- block_hash,
- timestamp,
- base_fee,
- total_difficulty,
- );
+ let number = block.header.number.ok_or(BlockchainError::BlockNotFound)?.to::<u64>();
+ self.config.write().update_block(number, block_hash, timestamp, base_fee, total_difficulty);
 
  self.clear_cached_storage();
+
+ self.database.write().await.insert_block_hash(U256::from(number), block_hash);
+
  Ok(())
  }
 

crates/anvil/src/eth/backend/mem/mod.rs

@@ -297,6 +297,10 @@ impl Backend {
  for (account, info) in self.genesis.account_infos() {
  db.insert_account(account, info);
  }
+
+ // insert the new genesis hash to the database so it's available for the next block in
+ // the evm
+ db.insert_block_hash(U256::from(self.best_number()), self.best_hash());
  }
 
  let db = self.db.write().await;