lbcwallet/votingpool/example_test.go
2015-01-17 00:25:53 -06:00

125 lines
4.4 KiB
Go

/*
* Copyright (c) 2014 Conformal Systems LLC <info@conformal.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
package votingpool_test
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"github.com/btcsuite/btcnet"
"github.com/btcsuite/btcwallet/votingpool"
"github.com/btcsuite/btcwallet/waddrmgr"
"github.com/btcsuite/btcwallet/walletdb"
_ "github.com/btcsuite/btcwallet/walletdb/bdb"
)
func Example_basic() {
// This example demonstrates how to create a voting pool, create a
// series, get a deposit address from a series and lastly how to
// replace a series.
// Create a new wallet DB.
dir, err := ioutil.TempDir("", "pool_test")
if err != nil {
fmt.Printf("Failed to create db dir: %v\n", err)
return
}
db, err := walletdb.Create("bdb", filepath.Join(dir, "wallet.db"))
if err != nil {
fmt.Printf("Failed to create wallet DB: %v\n", err)
return
}
defer os.RemoveAll(dir)
defer db.Close()
// Create a new walletdb namespace for the address manager.
mgrNamespace, err := db.Namespace([]byte("waddrmgr"))
if err != nil {
fmt.Printf("Failed to create addr manager DB namespace: %v\n", err)
return
}
// Create the address manager
mgr, err := waddrmgr.Create(mgrNamespace, seed, pubPassphrase, privPassphrase,
&btcnet.MainNetParams, nil)
if err != nil {
fmt.Printf("Failed to create addr manager: %v\n", err)
return
}
defer mgr.Close()
// Create a walletdb for votingpools.
vpNamespace, err := db.Namespace([]byte("votingpool"))
if err != nil {
fmt.Printf("Failed to create VotingPool DB namespace: %v\n", err)
return
}
// Create the voting pool.
pool, err := votingpool.Create(vpNamespace, mgr, []byte{0x00})
if err != nil {
fmt.Printf("Voting Pool creation failed: %v\n", err)
return
}
// Create a 2-of-3 series.
apiVersion := uint32(1)
seriesID := uint32(1)
requiredSignatures := uint32(2)
pubKeys := []string{
"xpub661MyMwAqRbcFDDrR5jY7LqsRioFDwg3cLjc7tML3RRcfYyhXqqgCH5SqMSQdpQ1Xh8EtVwcfm8psD8zXKPcRaCVSY4GCqbb3aMEs27GitE",
"xpub661MyMwAqRbcGsxyD8hTmJFtpmwoZhy4NBBVxzvFU8tDXD2ME49A6JjQCYgbpSUpHGP1q4S2S1Pxv2EqTjwfERS5pc9Q2yeLkPFzSgRpjs9",
"xpub661MyMwAqRbcEbc4uYVXvQQpH9L3YuZLZ1gxCmj59yAhNy33vXxbXadmRpx5YZEupNSqWRrR7PqU6duS2FiVCGEiugBEa5zuEAjsyLJjKCh",
}
err = pool.CreateSeries(apiVersion, seriesID, requiredSignatures, pubKeys)
if err != nil {
fmt.Printf("Cannot create series: %v\n", err)
return
}
// Create a deposit address.
branch := uint32(0) // The change branch
index := uint32(1)
addr, err := pool.DepositScriptAddress(seriesID, branch, index)
if err != nil {
fmt.Printf("DepositScriptAddress failed for series: %d, branch: %d, index: %d\n",
seriesID, branch, index)
return
}
fmt.Println("Generated deposit address:", addr.EncodeAddress())
// Replace the existing series with a 3-of-5 series.
pubKeys = []string{
"xpub661MyMwAqRbcFQfXKHwz8ZbTtePwAKu8pmGYyVrWEM96DYUTWDYipMnHrFcemZHn13jcRMfsNU3UWQUudiaE7mhkWCHGFRMavF167DQM4Va",
"xpub661MyMwAqRbcGnTEXx3ehjx8EiqQGnL4uhwZw3ZxvZAa2E6E4YVAp63UoVtvm2vMDDF8BdPpcarcf7PWcEKvzHhxzAYw1zG23C2egeh82AR",
"xpub661MyMwAqRbcG83KwFyr1RVrNUmqVwYxV6nzxbqoRTNc8fRnWxq1yQiTBifTHhevcEM9ucZ1TqFS7Kv17Gd81cesv6RDrrvYS9SLPjPXhV5",
"xpub661MyMwAqRbcFGJbLPhMjtpC1XntFpg6jjQWjr6yXN8b9wfS1RiU5EhJt5L7qoFuidYawc3XJoLjT2PcjVpXryS3hn1WmSPCyvQDNuKsfgM",
"xpub661MyMwAqRbcGJDX4GYocn7qCzvMJwNisxpzkYZAakcvXtWV6CanXuz9xdfe5kTptFMJ4hDt2iTiT11zyN14u8R5zLvoZ1gnEVqNLxp1r3v",
"xpub661MyMwAqRbcG13FtwvZVaA15pTerP4JdAGvytPykqDr2fKXePqw3wLhCALPAixsE176jFkc2ac9K3tnF4KwaTRKUqFF5apWD6XL9LHCu7E",
}
requiredSignatures = 3
err = pool.ReplaceSeries(apiVersion, seriesID, requiredSignatures, pubKeys)
if err != nil {
fmt.Printf("Cannot replace series: %v\n", err)
return
}
// Output:
// Generated deposit address: 3QTzpc9d3tTbNLJLB7xwt87nWM38boAhAw
}