MatterCloud Javascript Library

Bitcoin SV and Metanet API for Developers MatterCloud.net

Replaces BitIndex SDK

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Quick Start

Small < 24KB library size Installation

npm install mattercloudjs --save

Include

Generate an API key

// NodeJS
var options = {
    api_key: "your api key",
}
var mattercloud = require('mattercloudjs').instance(options);

// Or set API key later
mattercloud.setApiKey("your api key");

Preview

Easily query balances, utxos, and transactions on the Bitcoin SV Blockchain.

Get balance

var result = await mattercloud.getBalance('12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX');

GET https://api.mattercloud.net/api/v3/main/address/12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX/balance

Response:

{
  "address": "12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX",
  "confirmed": 30055,
  "unconfirmed": 0
}

Get utxos

var result = await mattercloud.getUtxos('12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX');

GET https://api.mattercloud.net/api/v3/main/address/12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX/utxo

Response:

[
  {
    "address": "12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX",
    "txid": "5e3014372338f079f005eedc85359e4d96b8440e7dbeb8c35c4182e0c19a1a12",
    "vout": 0,
    "amount": 0.00015399,
    "satoshis": 15399,
    "value": 15399,
    "height": 576168,
    "confirmations": 34730,
    "scriptPubKey": "76a91410bdcba3041b5e5517a58f2e405293c14a7c70c188ac",
    "script": "76a91410bdcba3041b5e5517a58f2e405293c14a7c70c188ac",
    "outputIndex": 0
  }
]

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Detailed Installation and Usage

Installation

npm install mattercloudjs --save

Include

// Node
var options = {
    api_key: "your api key",
}
var mattercloud = require('mattercloudjs').instance(options);

<!-- Browser -->
<script src="dist/mattercloud.js"></script>
<script language="javascript">
    // mattercloud.setApiKey('my key');
    var result = await mattercloud.getUtxos('12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX');
    console.log('result', result);
</script>

See browser usage examples: https://github.com/MatterCloud/mattercloudjs/blob/master/dist/basic.html

Promises vs. Callback

Both await and callback styles are supported for all methods.

Example:

// Await style with promises
var result = await mattercloud.getUtxos('12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX');

// Callback style
mattercloud.getUtxos('12XXBHkRNrBEb7GCvAP4G8oUs5SoDREkVX', function(result) {
    // ...
});

Detailed Documentation

VIEW COMPLETE DEVELOPER DOCUMENTATION

Build and Test

npm install
npm run build
npm run test

Any questions or ideas?

We would love to hear from you!

https://www.mattercloud.net

https://twitter.com/MatterCloud