json 2.0 test helper

json2.go

package main

import (
	"bytes"
	"crypto/tls"
	"crypto/x509"
	"fmt"
	"io/ioutil"
	"log"
	"net/http"
	"path/filepath"

	"github.com/decred/dcrd/dcrutil"
)

func main() {
	const (
		url     = "https://127.0.0.1:19109"
		rpcUser = ""
		rpcPass = ""
	)

	// add json requests
	reqs := []string{}

	// Connect to local dcrd RPC server using websockets.
	dcrdHomeDir := dcrutil.AppDataDir("dcrd", false)
	certs, err := ioutil.ReadFile(filepath.Join(dcrdHomeDir, "rpc.cert"))
	if err != nil {
		log.Fatal(err)
	}

	pool := x509.NewCertPool()
	pool.AppendCertsFromPEM(certs)
	client := http.Client{
		Transport: &http.Transport{
			TLSClientConfig: &tls.Config{
				RootCAs: pool,
			},
		},
	}

	for _, req := range reqs{
		bodyReader := bytes.NewReader([]byte(req))
		httpReq, err := http.NewRequest("POST", url, bodyReader)
		if err != nil {
			log.Fatal(err)
		}
		httpReq.Close = true
		httpReq.Header.Set("Content-Type", "application/json")
		httpReq.SetBasicAuth(rpcUser, rpcPass)

		resp, err := client.Do(httpReq)
		if err != nil {
			log.Fatal(err)
		}

		respBytes, err := ioutil.ReadAll(resp.Body)
		resp.Body.Close()
		if err != nil {
			log.Fatal(err)
		}

		fmt.Println(string(respBytes))
	}
}