73 lines
2.1 KiB
Go
73 lines
2.1 KiB
Go
// Copyright (c) 2014-2015 Conformal Systems LLC.
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package main
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import (
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"fmt"
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"io/ioutil"
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"log"
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"path/filepath"
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"time"
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"github.com/btcsuite/btcrpcclient"
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"github.com/btcsuite/btcutil"
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"github.com/davecgh/go-spew/spew"
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)
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func main() {
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// Only override the handlers for notifications you care about.
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// Also note most of the handlers will only be called if you register
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// for notifications. See the documentation of the btcrpcclient
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// NotificationHandlers type for more details about each handler.
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ntfnHandlers := btcrpcclient.NotificationHandlers{
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OnAccountBalance: func(account string, balance btcutil.Amount, confirmed bool) {
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log.Printf("New balance for account %s: %v", account,
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balance)
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},
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}
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// Connect to local btcwallet RPC server using websockets.
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certHomeDir := btcutil.AppDataDir("btcwallet", false)
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certs, err := ioutil.ReadFile(filepath.Join(certHomeDir, "rpc.cert"))
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if err != nil {
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log.Fatal(err)
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}
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connCfg := &btcrpcclient.ConnConfig{
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Host: "localhost:18332",
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Endpoint: "ws",
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User: "yourrpcuser",
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Pass: "yourrpcpass",
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Certificates: certs,
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}
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client, err := btcrpcclient.New(connCfg, &ntfnHandlers)
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if err != nil {
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log.Fatal(err)
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}
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// Get the list of unspent transaction outputs (utxos) that the
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// connected wallet has at least one private key for.
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unspent, err := client.ListUnspent()
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if err != nil {
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log.Fatal(err)
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}
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log.Printf("Num unspent outputs (utxos): %d", len(unspent))
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if len(unspent) > 0 {
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log.Printf("First utxo:\n%v", spew.Sdump(unspent[0]))
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}
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// For this example gracefully shutdown the client after 10 seconds.
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// Ordinarily when to shutdown the client is highly application
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// specific.
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log.Println("Client shutdown in 10 seconds...")
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time.AfterFunc(time.Second*10, func() {
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log.Println("Client shutting down...")
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client.Shutdown()
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log.Println("Client shutdown complete.")
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})
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// Wait until the client either shuts down gracefully (or the user
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// terminates the process with Ctrl+C).
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client.WaitForShutdown()
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}
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