23 lines
No EOL
751 B
Markdown
23 lines
No EOL
751 B
Markdown
```mermaid
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sequenceDiagram
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participant User
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participant PaymentGateway
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participant TransactionDB
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User->>PaymentGateway: Initiate Payment
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alt Successful Payment
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PaymentGateway-->>TransactionDB: Store Transaction
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TransactionDB-->>PaymentGateway: Confirm Transaction Stored
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PaymentGateway-->>User: Payment Successful
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else External Failure
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PaymentGateway-->>User: Payment Gateway Error
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else DB Failure
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PaymentGateway-->>User: Payment Processing Error
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TransactionDB-->>PaymentGateway: DB Error Occurred
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end
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opt Commit Transaction
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TransactionDB-->>User: Commit Success
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end
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opt Rollback Transaction
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TransactionDB-->>User: Rollback Success
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end
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``` |