arlocal

Run a local Arweave gateway-like server.

Usage

CLI Tool

Make sure you already have NodeJS + NPM installed. To run arlocal it's as simple as doing an npx which means running the latest version available on npmjs.com.

npx arlocal

That's it! You are running a local slim gateway on http://localhost:1984

How about if I want to run it on another port?! It's as simple as doing:

npx arlocal 8080

This will start arlocal on port 8080.

Other options:

--hidelogs = This will hide the logs from ArLocal.

NodeJS library

You can also use arlocal as a library on your own code. This is useful if you want to make sure everyone who tests your app has this instance installed.

yarn add arlocal -D

Then you can import it just like any other node module:

import ArLocal from 'arlocal';

(async () => {
  const arLocal = new ArLocal();

  // Start is a Promise, we need to start it inside an async function.
  await arLocal.start();

  // Your tests here...

  // After we are done with our tests, let's close the connection.
  await arLocal.stop();
})();

The ArLocal class has a few options, all of them are optional.

ArLocal(port = 1984, showLogs = true, dbPath = '.db', persist = false)

port = What port to use for ArLocal.
showLogs = Should we show logs.
dbPath = folder where the db will be temporary stored.
persist = Whether or not data stored should be persisted among server restarts.

Sending transactions

Before sending a transaction to ArLocal, make sure you mint new AR tokens for the wallet you'll be using. This is done using the endpoint /mint/<address>/<balance>.

Sending a new transaction is done just like with the default gateway, use ArweaveJS to create your transaction, sign and post it.

After this transaction is sent, to confirm (mine) your transactions, you need to hit the /mine endpoint. You can do this programmatically or by simply going to http://localhost:1984/mine.

You can also mine more than one block at a time by hitting /mine/{blocks}, this will increase the current blocks to the set blocks.

Features

Extremely fast compared to other options out there.
Community built, open source and free.
No need of external resources, only NodeJS + NPM.
Test transactions, SmartWeave Contracts, GraphQL requests, NFT deployment and more.
Works on Windows, Mac, Linux, Raspberry Pi, and pretty much everywhere as long as NodeJS is installed.

Contributing

PRs are greatly appreciated, help us build this hugely needed tool so anyone else can easily test their own transactions and SmartWeave contracts.

Before doing a PR, remember that if this is a route or an extisting feature of the gateway, you need to respect the same path/default of the existing mainnet gateway. Example: /tx should be kept as /tx, this is so the user doesn't have to do many changes for their unit tests, compared to normal transaction on mainnet.

Create a fork
Create your feature branch: git checkout -b my-feature
Commit your changes: git commit -am 'Add some feature'
Push to the branch: git push origin my-new-feature
Submit a pull request 🚀

License

textury/arlocal

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