feat: add overflow checks to change and fee calculations #5834
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Test Results (Integration tests) 2 files + 2 11 suites +11 23m 29s ⏱️ + 23m 29s For more details on these failures, see this check. Results for commit abdf660. ± Comparison against base commit 1d1332d. ♻️ This comment has been updated with latest results. |
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- Added overflow checks to sender transaction protocol. It is possible to crash the system in the change calculation before the transaction is validated; this PR prevents it. - Added an additinal unit test to verify three overflow errors are handled.
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Description
fn test_sender_transaction_protocol_for_overflow) to verify three sender transaction protocol overflow errors are handled.fn test_fee_overflow) to verify the two fee overflow errors are handled.MinotariandMicroMinotaristring conversion issue (Minotari struct uses floating math in display #5839) for big numbers (with unit test) to allow for the proper error message to be printed in thefn test_fee_overflowunit test.Motivation and Context
It is possible to crash the system in the change calculation before the transaction is validated; this PR prevents it.
It is possible to crash the system with carefully crafted fees added to transactions and blocks; this PR prevents it.
How Has This Been Tested?
Added additional unit tests.
What process can a PR reviewer use to test or verify this change?
See unit tests and code changes.
Breaking Changes