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Building Ethereum powered DApps

Building Ethereum powered DApps

A lightning talk on tools and workflow for building Smart Contract powered web applications

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Arpit Mathur

May 04, 2018
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  1. Building Ethereum powered DApps Arpit Mathur @arpit

  2. @arpit Quick Poll • Software/Web Developers? ◦ JavaScript? ▪ React?

    ◦ Rails?
  3. @arpit Traditional App Stack

  4. @arpit Decentralized App Stack

  5. @arpit Communicating with the Network • JSON RPC • Web3.js

    • Injected Web3.js • Web dev framework (Truffle)
  6. @arpit Ganache / Ganache CLI

  7. @arpit Truffle • “Rails for Ethereum Dapps” • “Truffle Boxes”:

    Preconfigured projects http://truffleframework.com/
  8. @arpit Remix IDE

  9. @arpit Metamask • Ethereum Wallet • Chrome Extension • Injects

    configured Web3.js into your page
  10. @arpit A Simple Contract

  11. @arpit Workflow • Create Contract in Solidity • Move Contracts

    to /contracts directory • Compile contract: ◦ `truffle compile` • Run Ganache (local test net) • Deploy Contracts ◦ `truffle migrate` • Import Contract JavaScript stub in your clientside code ◦ import MyContract from '../../../build/contracts/MyContract.json' • Execute functions on Contract in JavaScript (at the right address)
  12. @arpit Profit?

  13. @arpit Links and such! • http://truffleframework.com • https://solidity.readthedocs.io • https://metamask.io/