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Decentraland - How to mine

Welcome! My Name is KurzGedanke and today I'm gonna to show you how to set up your first node and miner for the Decentraland project!

But at first:

What is Decentraland?

Decentraland is a blockchain based virtual reality, which means the land you own, you really own. No third party, no server shut down, no government. If you never heard of it, I would suggest you to visit decentraland.org.

Lets start:

The first thing we need is NodeJS. Visit nodejs.org, click on Other Download, scroll down to Previous Releases and search for Node.js v7.0.0. Go to the download page and search for the node-v7.0.0.pkg (Direct Download Link). Download it and install it.

Visiting now the Decentraland Github Account under github.com/decentraland and navigate to the bronzeage-node repository.

Now press Command + Space, type in Terminal and open up your Terminal.

Copy the github repository url from the bronzeage-node and type in your terminal:

git clone https://github.com/decentraland/bronzeage-node.git

Now we use the cd (Change Directory) to get into the copied bronzeage-node folder.

cd bronzage-node

With the ls (List Directory) command we can get list of the content of the folder.

ls

Your terminal should show something like this:

Dockerfile         browser            index.js          start.sh
LICENSE            data               jsdoc.json         test
Makefile           db                 lib                vendor
README.md          docker-compose.yml migrate
bench              download.js        package.json
bin                etc                scripts

The next step is to open up the folder in your Finder. For this we use the open command. Type in your terminal:

open .

The dot is important!

Open up the lib folder, than the blockchain folder and with a text editor of your choice the contentdb.js

You should find at the beginning of the file something like this:

/*!
 * chaindb.js - content data management for decentraland
 * Copyright (c) 2014-2015, Fedor Indutny (MIT License)
 * Copyright (c) 2014-2016, Christopher Jeffrey (MIT License).
 * Copyright (c) 2016-2017, Manuel Araoz (MIT License).
 * Copyright (c) 2016-2017, Esteban Ordano (MIT License).
 * Copyright (c) 2016-2017, Yemel Jardi (MIT License).
 * Copyright (c) 2016-2017, The Decentraland Development Team (MIT License).
 * https://github.com/decentraland/decentraland-node
 */

'use strict';

var fs = require('fs');
var mkdirp = require('mkdirp');
var path = require('path');
var WebTorrent = require('webtorrent-hybrid');
var EventEmitter = require('events').EventEmitter;
var pass = require('stream').PassThrough;
var fs = require('fs');
var createTorrent = require('create-torrent');
var parseTorrent = require('parse-torrent');

var constants = require('../protocol/constants');
var util = require('../utils/util');
var co = require('../utils/co');

Remove from the

var WebTorrent = require('webtorrent-hybrid');

Line the -hybrid like this:

var WebTorrent = require('webtorrent');

Save and close the file.

Now we need to set an ApiKey. This step is very important, otherwise you will mine for nothing.

Use your Finder and navigate to the bin folder and open up the start file with an text editor of your choice. You might have to do a right-click and say Open with... and then Other.... There you can choose for example TextEdit.

You should see something like this:

./bin/decentraland-node \
  --fast \
  --loglevel=info \
  --port=2301 \
  --httpport=8301 \
  --contentport=9301 \
  --prefix="data" \
  --n=testnet \
  --apikey=$RPC_API_KEY \
  --startminer=$START_MINER

at the end of the file. There you have to replace the:

--apikey=$RPC_API_KEY

With your own ApiKey like this:

--apikey="yourSuperSaveApiKey"

The "" are very important!

Now we have to install all the dependencies packages, but this is easy as one command. Go back to your terminal and type in:

npm install

And wait till it is finished and looks something like this:

│   │   ├── [email protected]
│   │   └── [email protected]
│   ├── [email protected]
│   ├─┬ [email protected]
│   │ ├─┬ [email protected]
│   │ │ └── [email protected]
│   │ ├── [email protected]
│   │ └─┬ [email protected]
│   │   ├─┬ [email protected]
│   │   │ └── [email protected]
│   │   └── [email protected]
│   ├─┬ [email protected]
│   │ ├── [email protected]
│   │ └── [email protected]
│   ├─┬ [email protected]
│   │ └── [email protected]
│   ├── [email protected]
│   ├── [email protected]
│   ├── [email protected]
│   ├── [email protected]
│   ├── [email protected]
│   └── [email protected]
└── [email protected]

➜  bronzeage-node git:(master)

The last command you have to is:

./bin/start

And your node and miner is up and running!

If you want to end your node and miner just hit ctrl + c on your keyboard while your Terminal is selected.

If you want to restart your miner, just open up a Terminal again, type cd bronzeage-node and use the ./bin/start command.

How much do I have mined?

Lets find out!

Start up your node and miner. Open another terminal beside it and cd into the bronzeage-node folder.

Use the

./bin/cli --apikey=$RPC_API_KEY rpc dumpblockchain true | node scripts/list.js

Command but replace the --apikey= with your own one, but without the ""

./bin/cli --apikey=yourSuperSaveApiKey rpc dumpblockchain true | node scripts/list.js

If this command throws a low of errors try this one:

First command: (Wait till its finished)

./bin/cli --apikey=yourSuperSaveApiKey rpc dumpblockchain true > tiles.json

Second command:

cat tiles.json | node scripts/list.js

Transfer Tiles

If you want to transfer a tile, you first need to get your account address, or the address of the receiver.

This can be achieved through:

./bin/cli --apikey=$RPC_API_KEY rpc getaccountaddress 0

Again, replace the --apikey= with your own ApiKey.

To send tiles use the transfertile command:

./bin/cli --apikey=$RPC_API_KEY rpc transfertile 0 -1 TeaZxyQATonFFFLCXZMydUfGGUWwBsg9Je

Replace the --apikey= with your own ApiKey and enter the coordinates from the to transfer tile. Here for example it is 0 -1. Then paste the address of the receiving person behind the coordinates.