67 lines
1.9 KiB
Go
67 lines
1.9 KiB
Go
// Copyright (c) 2014-2017 The btcsuite developers
|
|
// Use of this source code is governed by an ISC
|
|
// license that can be found in the LICENSE file.
|
|
|
|
package main
|
|
|
|
import (
|
|
"io/ioutil"
|
|
"log"
|
|
"path/filepath"
|
|
|
|
"github.com/lbryio/lbcd/rpcclient"
|
|
"github.com/lbryio/lbcd/wire"
|
|
"github.com/lbryio/lbcutil"
|
|
)
|
|
|
|
func main() {
|
|
// Only override the handlers for notifications you care about.
|
|
// Also note most of these handlers will only be called if you register
|
|
// for notifications. See the documentation of the rpcclient
|
|
// NotificationHandlers type for more details about each handler.
|
|
ntfnHandlers := rpcclient.NotificationHandlers{
|
|
OnFilteredBlockConnected: func(height int32, header *wire.BlockHeader, txns []*lbcutil.Tx) {
|
|
log.Printf("Block connected: %v (%d) %v",
|
|
header.BlockHash(), height, header.Timestamp)
|
|
},
|
|
OnFilteredBlockDisconnected: func(height int32, header *wire.BlockHeader) {
|
|
log.Printf("Block disconnected: %v (%d) %v",
|
|
header.BlockHash(), height, header.Timestamp)
|
|
},
|
|
}
|
|
|
|
// Connect to local lbcd RPC server using websockets.
|
|
lbcdHomeDir := lbcutil.AppDataDir("lbcd", false)
|
|
certs, err := ioutil.ReadFile(filepath.Join(lbcdHomeDir, "rpc.cert"))
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
connCfg := &rpcclient.ConnConfig{
|
|
Host: "localhost:9245",
|
|
Endpoint: "ws",
|
|
User: "rpcuser",
|
|
Pass: "rpcpass",
|
|
Certificates: certs,
|
|
}
|
|
client, err := rpcclient.New(connCfg, &ntfnHandlers)
|
|
if err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
|
|
// Register for block connect and disconnect notifications.
|
|
if err := client.NotifyBlocks(); err != nil {
|
|
log.Fatalln(err)
|
|
}
|
|
log.Println("NotifyBlocks: Registration Complete")
|
|
|
|
// Get the current block count.
|
|
blockCount, err := client.GetBlockCount()
|
|
if err != nil {
|
|
log.Fatal(err)
|
|
}
|
|
log.Printf("Block count: %d", blockCount)
|
|
|
|
// Wait until the client either shuts down gracefully (or the user
|
|
// terminates the process with Ctrl+C).
|
|
client.WaitForShutdown()
|
|
}
|