shanshanzhong147
878d5006f0
- commissionWithdrawLogic: remove upfront commission deduction; balance check now includes sum of all pending withdrawals to prevent double-spending; transaction only creates the withdrawal record (status=0) - approveWithdrawal: add FOR UPDATE lock on user row, balance check before deducting, atomic commission decrement and commission log inside one transaction; clear user cache after commit - rejectWithdrawal: remove commission refund and log — commission was never deducted on application under the new flow - add migration 02150: refund commission for existing status=0 withdrawals that were deducted under the old logic; includes rollback script Co-authored-by: multica-agent <github@multica.ai>
20 lines
746 B
SQL
20 lines
746 B
SQL
-- Rollback: re-deduct commission for users with pending (status=0) withdrawals.
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-- This re-applies the OLD behaviour where commission is deducted on application.
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-- Only run this if you are rolling back to the old code; do NOT run against
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-- the new code or commission will be double-deducted on approval.
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UPDATE `user` u
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JOIN (
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SELECT user_id, COALESCE(SUM(amount), 0) AS pending_total
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FROM user_withdrawal
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WHERE status = 0
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GROUP BY user_id
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) p ON u.id = p.user_id
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SET u.commission = u.commission - p.pending_total
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WHERE p.pending_total > 0;
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-- Remove the migration log entries written by the up migration.
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DELETE FROM system_log
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WHERE type = 3
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AND content LIKE '%migration: refund pending withdrawal commission (HIF-22)%';
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