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Hyperledger Fabric v1 TPC-C chaincode (JavaScript)

Overview

This project contains the TPC-C transaction profile implementations in the form of a Hyperledger Fabric v1 chaincode, written in JavaScript.

Chaincode API

The chaincode exposes the following functions:

  • createEntries
  • doDelivery
  • doNewOrder
  • doOrderStatus
  • doPayment
  • doStockLevel

All functions receive a Fabric transaction context as their first parameter, as required by the high-level Contract programming model.

Every function has only one additional parameter (parameters) that is a string (as required by the low-level Fabric chaincode API). The parameter value must be a JSON string encoding of a JavaScript object that contains the inputs of the given function as attributes, detailed in the following sections.

To summarize, all functions have the following signature: functionName(ctx, parameters), where ctx is the transaction context provided by the Fabric chaincode SDK, and parameters is the JSON string encoding of the function-specific inputs (i.e., the JSON stringified form of the object { "param1": "value1", ..., "paramN": "valueN" }).

createEntries

The function creates the received batch of entries on the ledger.

Attributes of parameters:

  • entries (object[]): The list of entries to create on the ledger. The items of the list have to following high-level schema:
    • table (strting): The table name that the entry(type) corresponds to.
    • data (object): The attributes of the entry. The table-specific attributes of entries are specified by the standard. The chaincode follows the same naming convention (but with all lowercase letters).

doDeliveries

The function performs the Delivery read-write TX profile.

Attributes of parameters:

  • w_id (number): The warehouse ID.
  • o_carrier_id (number): The carrier ID for the order.
  • ol_delivery_d (string): The delivery date string (in ISO format) for the order.

doNewOrder

The function performs the New Order read-write TX profile.

Attributes of parameters:

  • w_id (number): The warehouse ID.
  • d_id (number): The district ID.
  • c_id (number): The customer ID.
  • o_entry_d (string): The date string (in ISO format) for the order entry.
  • i_ids (number[]): The array of item IDs for the order lines.
  • i_w_ids (number[]): The array of warehouse IDs for the order lines.
  • i_qtys (number[]): The array of quantities for the order lines.

doOrderStatus

The function performs the Order Status read-only TX profile.

Attributes of parameters:

  • w_id (number): The warehouse ID.
  • d_id (number): The district ID.
  • c_id (number): The customer ID, if provided.
  • c_last (string): The last name of the customer, if provided.

doPayment

The function performs the Payment read-write TX profile.

Attributes of parameters:

  • w_id (number): The warehouse ID.
  • d_id (number): The district ID.
  • h_amount (number): The payment amount.
  • c_w_id (number): The warehouse ID to which the customer belongs to.
  • c_d_id (number): The district ID to which the customer belongs to.
  • c_id (number): The customer ID.
  • c_last (string): The last name of the customer.
  • h_date (string): The payment date string (in ISO format).

doStockLevel

The function performs the Stock Level read-only TX profile.

Attributes of parameters:

  • w_id (number): The warehouse ID.
  • d_id (number): The district ID.
  • threshold (number): The threshold of minimum quantity in stock to report.

License

The project uses the Apache License Version 2.0. For more information see NOTICES.md, CONTRIBUTORS.md, and LICENSE.