Although the Processing status can

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the financial system through subsequent account verification. Crosssystem three states Nowadays we generally use the network to connect different systems together. Since network communication has timeouts and abnormal interruptions all businesses that need to be processed across systems must take this abnormal situation into consideration. Therefore when crosssystem communication is involved  The business processing of the system must be designed with three states


of success failure and processing to keep the information Brazil WhatsApp Number Data consistent among the systems. These three states are divided into final state and running state according to their life cycle.  Final state The final state is the state of life cycle settlement. Success and failure are both final states and cannot be presumed to be final until the external payment channel returns a result.  Running state When making crosssystem payments the status needs to be set to processing. Only when there is a clear





result can it be set to final status. ensure the safety of funds it is too inefficient and can easily cause panic and complaints from users. Therefore people came up with the following method. Integration of exception detection and return If the transaction process involves the writeoff of cards coupons and points the trading system will generate a preferential order when creating the order. After the payment is completed or the payment split is completed the order will be written off and the account will be settled.  Refund transaction Refund is a reverse transaction of .