fix: insert genesis hash into db (#7325)

crates/anvil/src/config.rs

@@ -1104,7 +1104,12 @@ 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

@@ -302,6 +302,10 @@ 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;