Initial commit: snapshot of spesmilo/electrumx 2.0.0

Unmodified source tree of upstream commit 280cb339aa158e099eb936033eecd15719770651
("Merge pull request #389 from SomberNight/202607_release_2_0",
https://github.com/spesmilo/electrumx, release 2.0.0, 3 July 2026).

All Palladium-specific changes are in the commits that follow.

tests/test_blocks.py

@@ -0,0 +1,108 @@
+# Copyright (c) 2017, the ElectrumX authors
+#
+# All rights reserved.
+#
+# The MIT License (MIT)
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+# and warranty status of this software.
+
+import json
+import os
+from binascii import unhexlify
+
+import pytest
+
+from electrumx.lib import coins
+from electrumx.lib.coins import Coin
+from electrumx.lib.hash import hex_str_to_hash
+from electrumx.lib.util import subclasses
+
+
+def _does_coin_require_testcase(coin: Coin) -> bool:
+    if coin.NET != 'mainnet':
+        return False
+    # legacy whitelist: these coins do not have tests. FIXME
+    if coin in [
+        coins.BitcoinCash,
+        coins.Viacoin,
+        coins.Argentum,
+        coins.FairCoin,
+        coins.Einsteinium,
+        coins.Crown,
+        coins.Monaize,
+        coins.Bitbay,
+        coins.Fujicoin,
+        coins.Neblio,
+        coins.Bitzeny,
+        coins.Sibcoin,
+        coins.CanadaeCoin,
+        coins.Auroracoin,
+    ]:
+        return False
+    return True
+
+
+coin_classes_all = set([coin for coin in subclasses(Coin) if _does_coin_require_testcase(coin)])
+coin_classes_tested = set()
+
+BLOCKS_DIR = os.path.join(
+    os.path.dirname(os.path.realpath(__file__)), 'blocks')
+
+# Find testcases
+blocks = []
+
+for name in os.listdir(BLOCKS_DIR):
+    try:
+        name_parts = name.split("_")
+        coin = Coin.lookup_coin_class(name_parts[0], name_parts[1])
+        if _does_coin_require_testcase(coin):
+            coin_classes_tested.add(coin)
+        with open(os.path.join(BLOCKS_DIR, name)) as f:
+            blocks.append((coin, json.load(f)))
+    except Exception as e:
+        blocks.append(pytest.fail(name))
+
+
+@pytest.fixture(params=blocks)
+def block_details(request):
+    return request.param
+
+
+def test_block(block_details):
+    coin, block_info = block_details
+
+    raw_block = unhexlify(block_info['block'])
+    block = coin.block(raw_block, block_info['height'])
+
+    try:
+        assert coin.header_hash_rev(
+            block.header) == hex_str_to_hash(block_info['hash'])
+    except ImportError as e:
+        pytest.skip(str(e))
+    assert (coin.header_prevhash_rev(block.header)
+            == hex_str_to_hash(block_info['previousblockhash']))
+    assert len(block_info['tx']) == len(block.transactions)
+    for n, tx in enumerate(block.transactions):
+        assert tx.txid_rev == hex_str_to_hash(block_info['tx'][n])
+
+
+def test_all_coins_are_covered():
+    assert coin_classes_all - coin_classes_tested == set()