Reusable ARK Core Module dApp Empty Template Project

This is a basic template project for ARK core dApp development. Create a new project based on this template and load your plugin into the corresponding network configuration by following the steps below.

This Example is currently operational only on our core/develop branch!

This template project provides initial structure for your dApp development.

dApp Creation Steps

STEP 0: Create New Project Based On This Template

STEP 1: Checkout Your New dApp Project As a GitSubmodule in `core/plugins`

You should already have a running core and a local testnet running. If not head over to https://learn.ark.dev/core-getting-started/spinning-up-your-first-testnet#step-2-testnet-network-boot.

cd plugins/ #location for loading of custom non-core dApps
git submodule add -f https://github.com/your-gh-handle/your-dapp-name
cd your-dapp-name

STEP 2: Load The dApp In The Corresponding Network Configurations.

We will enable our dApp @vendorname/dappname in the testnet network configuration. dApp name is taken from node package name as defined in package.json. You can change it to your needs.

Go to: core/packages/core/bin/testnet

cd packages/core/bin/config/testnet

Locate file plugins.js. We will add our dApp name to end of the list of the loaded plugins. This means that core will pickup the dapp and load it for a specific network configuration.

Add line "@arkecosystem/dappname": {}: to the end of the plugins.js file, so it looks something like this:

    "@arkecosystem/core-exchange-json-rpc": {
        enabled: process.env.CORE_EXCHANGE_JSON_RPC_ENABLED,
        host: process.env.CORE_EXCHANGE_JSON_RPC_HOST || "0.0.0.0",
        port: process.env.CORE_EXCHANGE_JSON_RPC_PORT || 8080,
        allowRemote: false,
        whitelist: ["127.0.0.1", "::ffff:127.0.0.1"],
    },
    "@arkecosystem/core-snapshots": {},
    "@vendorname/dappname": {}, //our application hook (here we load the plugin/dapp, as defined in your dapp package.json)

Make sure to run yarn setup from the core root folder when you change or add code to core/plugins

After yarn setup completes, you should see the following log

lerna success - @arkecosystem/core-vote-report
lerna success - @arkecosystem/core-wallet-api
lerna success - @arkecosystem/core-webhooks
lerna success - @arkecosystem/core
lerna success - @arkecosystem/crypto
lerna success - @vendorname/dappname

Last line showing that your dApp was detected and compiled.

STEP 3: Start Local Testnet Blockchain

Start local blockchain with testnet running on your developer computer. Follow steps defined in here: https://learn.ark.dev/core-getting-started/spinning-up-your-first-testnet#step-2-testnet-network-boot

If you already have running and compiled core, you should go to core/packages/core and run command yarn full:testnet.

After local testnet starts, the log should show that dApp was loaded. It should look like this (if you haven't changed the source code):

[2019-10-22 11:13:27.161] INFO : Starting dApp
[2019-10-22 11:13:27.161] INFO : Initialization of dApp

Congratulations. Your first distributed blockchain application is loaded and working and compatible with any ARK Core based blockchain.

Feel free to look into common/base-service.ts class that exposes important Core Platform classes that you can work with. Your newly developed classes can extend this class and gain access to:

wallets and state
transaction pool
blockchain protocol
events
database -... actually any module :)

Also check other packages/modules as they follow the same dApp structure.

Use Block Explorer To View Local Running Testnet

Click here to setup local blockchain explorer in a few simple steps: https://learn.ark.dev/core-getting-started/setup-local-blockchain-explorer

Congrats, your dapp is loaded. Now look at the resources below to understand more about our dapp development.

Learn Development With ARK

Security

If you discover a security vulnerability within this package, please send an e-mail to [email protected]. All security vulnerabilities will be promptly addressed.

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dapp-core-module-template's Introduction

Reusable ARK Core Module dApp Empty Template Project

dApp Creation Steps

STEP 0: Create New Project Based On This Template

STEP 1: Checkout Your New dApp Project As a GitSubmodule in core/plugins

STEP 2: Load The dApp In The Corresponding Network Configurations.

STEP 3: Start Local Testnet Blockchain

Use Block Explorer To View Local Running Testnet

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STEP 1: Checkout Your New dApp Project As a GitSubmodule in `core/plugins`