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v29.4-roots.3 · Commit 28: [PATCH 28/30] fix(wallet): secure asynchronous sweep cancellation

ci/test/test_wallet_privacy_contract.py

Before: /dev/null · After: ci/test/test_wallet_privacy_contract.py

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ci/test/test_wallet_privacy_contract.py ADDED
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+ #!/usr/bin/env python3
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+ """Static contracts for transient sweep-key handling and cancellation."""
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+
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+ from pathlib import Path
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+ import unittest
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+
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+
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+ ROOT = Path(__file__).resolve().parents[2]
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+
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+
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+ class WalletPrivacyContractTest(unittest.TestCase):
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+ def test_wif_paths_do_not_copy_secrets_to_std_string(self):
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+ sweep_dialog = (ROOT / "src/qt/sweepdialog.cpp").read_text(encoding="utf-8")
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+ wallet_interface = (ROOT / "src/wallet/interfaces.cpp").read_text(encoding="utf-8")
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+ self.assertNotIn("m_private_key->text().toStdString()", sweep_dialog)
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+ self.assertNotIn("std::string{private_key.begin(), private_key.end()}", wallet_interface)
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+ self.assertIn("memory_cleanse(encoded.data(), encoded.size())", sweep_dialog)
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+ self.assertIn("DecodeSecret(private_key)", wallet_interface)
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+ key_io = (ROOT / "src/key_io.cpp").read_text(encoding="utf-8")
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+ self.assertIn("DecodeSecretImpl<SecureString, secure_allocator<unsigned char>>", key_io)
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+
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+ def test_broadcast_has_a_final_authorization_gate(self):
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+ spend = (ROOT / "src/wallet/spend.cpp").read_text(encoding="utf-8")
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+ begin = spend.index("authorization.BeginBroadcast()")
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+ broadcast = spend.index("broadcast(final_tx, error)")
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+ self.assertLess(begin, broadcast)
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+ self.assertIn("authorization.IsCancelled()", spend)
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+
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+
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+ if __name__ == "__main__":
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+ unittest.main()