SPAY4 · CURRENT DIAGRAM

Withdrawal：只使用 Payment Account

Withdrawal 在候選、排序、指派、改派與 recovery 前排除 HOUSE；只有 Payment Account reservation 可以承接付款。

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Withdrawal：只使用 Payment AccountWithdrawal 在候選、排序、指派、改派與 recovery 前排除 HOUSE；只有 Payment Account reservation 可以承接付款。14 Core + 37 Domain = 51 relations · no database foreign keyAgent API claimlogical relation / service guardexclude HOUSE before candidatelogical relation / service guardPayment Account candidatelogical relation / service guardPayment Account reservationlogical relation / service guardreview / recoverylogical relation / service guard候選 DDL 以 service transaction、owner guard、immutable snapshot、CAS 和 idempotency 維護完整性。