openwebsocket.go

/* Copyright (c) 2018 Kulpreet Singh
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package main

import (
	"path/filepath"
	"io/ioutil"
	"log"

	"github.com/btcsuite/btcutil"
	"github.com/btcsuite/btcd/rpcclient"
)

var BtcdClient *rpcclient.Client

func openWebsocket(opts config) {
	// Connect to local btcd RPC server using websockets.
	btcdHomeDir := btcutil.AppDataDir("btcd", false)
	certs, err := ioutil.ReadFile(filepath.Join(btcdHomeDir, opts.BtcdCert))
	if err != nil {
		log.Fatal(err)
	}
	connCfg := &rpcclient.ConnConfig{
		Host:         opts.BtcdConnect,
		Endpoint:     "ws",
		User:         opts.Username,
		Pass:         opts.Password,
		Certificates: certs,
	}
	client, err := rpcclient.New(connCfg, nil)
	if err != nil {
		log.Fatal(err)
	}

	BtcdClient = client
}