Scout Chart Creator
  • Overview
  • Get Started
    • Tutorial 1: NMR Daily Transaction Count
    • Tutorial 2: LPT Weekly Volume (USD)
    • Tutorial 3: NMR vs LPT Daily comparison
  • Pipeline
    • Filter
    • Project
    • Group
      • Accumulators
    • Sort
    • Unwind
    • Custom
  • Data Source
    • Transactions
    • States
    • Contracts
    • Aragon
    • Livepeer
    • dYdX
    • Set
    • Token holders
  • Operators
    • Math operators
    • Logic operators
    • Function operators
    • Array operators
    • String operators
  • Config
  • Protocols
    • Dodo
      • 24H trade volume
      • Deposit & Withdraw
    • Livepeer
    • dYdX
      • Making sense of the trade data
    • MakerDao
    • Pickle Finance
      • Example: Daily deposit and withdraw of jar 0.88
      • Example: Listing all borrows of a strategy
  • FAQ
    • Dealing with "logs" field in "Transaction"
    • How to handle "Query Timeout" error?
    • How to use a variable in a Pipeline
  • Research
    • The circulating supply of DODO tokens
    • How are bitcoins doing on Ethereum? (as of Jan 20th 2021)
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Pipeline

A basic introduction of how "Pipeline" works

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Last updated 4 years ago

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Pipeline is short for "Data processing pipeline". It is a concept popularized by modern business intelligence softwares. A pipeline is basically a series of instructions that you would apply to transform the input data to a desired format. Every time, you apply one instruction to the input data and the output will be the input of your next instruction. You keep doing it until the data is fully transformed to a desired final format.

Scout provides you with a set of predefined instructions to make it easy to process the blockchain data. Let's dive right in!

*For the purpose of this documentation, we will be using data source for all the examples unless otherwise specified.

Pipeline is a very exciting way to build explore Ethereum data. One way to think about it is to image data is like water, and each part of the

Filter is always the first default instruction.

Filter
Project
Group
Sort
Unwind
Transactions