Add test and newsfragment for eth-tester key remappings #1630

Author: fselmo

newsfragments/1630.bugfix.rst

@@ -0,0 +1 @@
+Fix ``eth-tester`` key remapping for ``logsBloom`` and ``receiptsRoot``

tests/core/middleware/test_eth_tester_middleware.py

@@ -1,7 +1,22 @@
 import pytest
 
+from web3.types import (
+    BlockData,
+)
+
 
 @pytest.mark.parametrize("block_number", {0, "0x0", "earliest"})
 def test_get_transaction_count_formatters(w3, block_number):
     tx_counts = w3.eth.get_transaction_count(w3.eth.accounts[-1], block_number)
     assert tx_counts == 0
+
+
+def test_get_block_formatters(w3):
+    latest_block = w3.eth.get_block("latest")
+
+    all_block_keys = set(BlockData.__annotations__.keys())
+    latest_block_keys = set(latest_block.keys())
+
+    keys_diff = all_block_keys.difference(latest_block_keys)
+    assert len(keys_diff) == 1
+    assert keys_diff.pop() == "mixHash"  # mixHash is not implemented in eth-tester