Example of how to add a CryptoNote-based wallet to the Monero Coin Adapter extension for Bitcoin and Altcoin Wallets.

wallets-xyz-cryptonote-coin-adapter.php

<?php
/*
Plugin Name: Cryptonote-based Coin Adapter for XYZ coin
Plugin URI: https://www.dashed-slug.net/bitcoin-altcoin-wallets-wordpress-plugin/monero-coin-adapter-extension
Description: Example of how to add a CryptoNote-based wallet to the Monero Coin Adapter extension for Bitcoin and Altcoin Wallets.
Version: 0.1.1
Author: Alex Georgiou <alexgeorgiou@gmail.com>
Author URI: http://alexgeorgiou.gr
*/
function wallets_cryptonote_coins_filter( $coins ) {
	$coins['XYZ'] = array(
		// Coin symbol
		'symbol' => 'XYZ',
		// Coin name
		'name' => 'XYZ coin',
		// Default withdrawal fee (coin adapter settings override this)
		'wd fee' => '0.001',
		// Default internal transaction fee (coin adapter settings override this)
		'move fee' => '0.0001',
		// An sprintf() pattern for deposit address QR Code URI. '%s' will be replaced with the address string. If unsure, set to '%s'.
		'qr pattern' => 'xyzcoin:%s',
		// An sprintf() pattern for displaying amounts. If unsure, leave to '%01.12f'. This must match the "decimals" field below.
		'amount pattern' => '%01.12f',
		// Default sprintf() pattern for URI to block explorer transaction page. '%s' will be replaced with the TXID.
		'explorer tx uri' => 'https://blockexplorer.example.com/tx/%s',
		// URL to an 64x64 icon for the coin. Or leave empty to pull the icon from 'assets/sprites/SYMBOL.png'.
		'icon url' => 'http://www.example.com/xyz-coin-icon-64x64.png',
		// Number of decimal points allowed. If you set this to 12, also set the amount pattern to "%01.12f". For 8 decimals, set the amount pattern to "%01.8f".
		'decimals' => 12,
	);
	return $coins;
 }
add_filter( 'wallets_cryptonote_coins', 'wallets_cryptonote_coins_filter' );