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transaction-service.md

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Transaction service

Handles the transaction of negotiating delivery info and making payment of an item that has completed an auction.

ATTENTION: This service is Work In Progress.

Commands handled

External (user)

  • sendMessage - Send a message to the other user, emits MessageSent.
  • submitDeliveryDetails - Used by the buyer to submit delivery details, emits DeliveryDetailsSubmitted.
  • setDeliveryPrice - Used by the seller to set the delivery price when delivery option is by negotiation, emits DeliveryPriceUpdated.
  • submitPaymentDetails - Used by the buyer to submit payment details.
  • dispatchItem - Used by the seller to say they have dispatched the item.
  • receiveItem - Used by the buyer to say they have received the item.
  • initiateRefund - Used by the seller to initiate a refund.

Queries handled

  • getTransaction - Gets a transaction by an items ID.
  • getTransactionsForUser - Gets a list of all transactions that a given user is involved with.

Events emitted

  • DeliveryByNegotiation - When the buyer has selected by negotiation, in response to submitDeliveryDetails.
  • DeliveryPriceUpdated - When the seller has updated the delivery price, in response to setDeliveryPrice.
  • PaymentDetailsSubmitted - When payment details are submitted, in response to submitPaymentDetails.
  • PaymentConfirmed - When payment has been confirmed, in response to payment service ReceivedPayment.
  • PaymentFailed - When payment has failed, in response to payment service FailedPayment.
  • ItemDispatched - When the item has been dispatched, in response to dispatchItem.
  • ItemReceived - When the item has been received, in response to receiveItem.
  • MessageSent - When a user has sent a message, in response to sendMessage.
  • RefundInitiated - When the seller has initiated a refund, in response to initiateRefund.
  • RefundConfirmed - When a refund has been confirmed.

Events consumed

Item service

  • AuctionFinished - Creates the transaction.

Payment service

  • ReceivedPayment - Indicates the payment has been made, emits PaymentConfirmed.
  • FailedPayment - Indicates payment failed, emits PaymentFailed.
  • MadeRefund - Indicates a refund was made, emits RefundConfirmed.