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HackXpert
Naked -- Refund replay
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Wallet:
50
credits
Refund order
ORD-1
for
+50
. The
request_id
is meant to make this idempotent — replaying the same one should be a no-op.
request_id
Request refund (+50)
Submit the exact same
request_id
twice. Does the second one really do nothing?