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Introduces two property-based tests using rapid's state machine support: TestLedgerStateMachine generates random sequences of actions (create account, create transfer, batch transfers, constrained accounts, expected-failure transfers) and checks five invariants after every step: - Entry chain consistency (prev + amount = curr for each entry) - Zero-sum balance (sum of all balances per currency is zero) - Version tracking (account version matches entry count) - Two entries per transfer (debit + credit summing to zero) - Entry version monotonicity (strictly increasing, no gaps) TestLedgerConcurrentStateMachine runs parallel goroutines performing transfers against shared accounts, then verifies the same invariants hold — stress-testing the sorted-ID locking strategy.
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Introduces two property-based tests using rapid's state machine support:
TestLedgerStateMachine generates random sequences of actions (create account, create transfer, batch transfers, constrained accounts, expected-failure transfers) and checks five invariants after every step:
TestLedgerConcurrentStateMachine runs parallel goroutines performing transfers against shared accounts, then verifies the same invariants hold — stress-testing the sorted-ID locking strategy.