Payment Processing at Gilt.com

Portland Java User Group
May 16, 2017
Portland Oregon
keywords: Java, Scala, HBC Digital, Gilt, Saks Fifth Avenue

Transcript

1. Payment Processing
   Sean Sullivan
   May 16, 2017
   Portland Java User Group
   

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2. • software engineer
   • 21 years Java
   • 6 years at Gilt
   • back office systems @ Gilt
   About me
   

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3. January 2016
   

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4. https://en.wikipedia.org/wiki/Hudson%27s_Bay_Company
   

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5. saksfifthavenue.com
   saksoff5th.com
   lordandtaylor.com
   gilt.com
   thebay.com
   

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6. www.gilt.com
   

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8. Web
   Checkout
   Android
   Checkout
   iPhone
   Checkout
   Checkout
   service
   

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9. checkout
   service
   payment
   system
   payment
   processor
   checkout
   UI
   order processing
   system
   order queue
   

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10. 2008
    order processing
    

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11. 2017
    discount
    service
    payment
    service
    ship calculator
    service
    order processing
    inventory
    service
    

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13. Credit card service
    • add card
    • delete card
    • list cards
    • authorize
    • capture
    • refund
    

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14. Credit card service
    version 1.x
    Java + java.util.HashMap + service framework
    version 2.x
    Java + Scala + JAX-RS
    version 3.x
    Scala + Play Framework + ApiDoc
    

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15. http://www.apidoc.me/doc/
    

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16. Date and time
    java.lang.Long
    java.util.Date
    java.util.Calendar
    joda-time library
    java.time API
    

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17. java.time API
    

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19. Money
    java.lang.Double
    java.lang.String
    java.math.BigDecimal
    joda-money library
    JavaMoney API
    

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20. JavaMoney
    

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21. 
    org.javamoney
    moneta
    1.1
    
    Moneta library
    

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22. import org.javamoney.moneta.Money
    import java.math.BigDecimal
    val salary = Money.of(
    new BigDecimal(“25000000.00”),
    “USD”)
    Moneta example
    

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23. Security concerns
    • client-side credit card encryption
    • Java crypto strength
    • key management
    • safe logging
    

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24. https://paysvc.giltvault.com/payment_service/get_publickey?callback=demo
    Public Key endpoint
    

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25. Unlimited strength crypto
    oracle.com
    

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26. Key management
    tech.gilt.com
    

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27. Logging
    import ch.qos.logback.classic.PatternLayout
    import ch.qos.logback.classic.spi.ILoggingEvent
    class MaskingPatternLayout
    extends PatternLayout {
    ...
    }
    

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28. Logging
    2017-05-16 20:08:18,312 INFO com.gilt.Foobar
    REDACTED
    

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29. Code coverage
    https://github.com/jacoco/jacoco
    https://bitbucket.org/atlassian/clover
    http://cobertura.github.io/cobertura/
    https://github.com/scoverage
    

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30. Code coverage
    https://twitter.com/LlewellynFalco/status/812714305695019008
    

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31. The end
    

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