24dcd206d2
This contains the APIs to create and retrieve Voting Pools and Series (with public/private keys) from a walletdb namespace, plus the generation of deposit addresses (using m-of-n multi-sig P2SH scripts according to the series configuration).
126 lines
4.4 KiB
Go
126 lines
4.4 KiB
Go
/*
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* Copyright (c) 2014 Conformal Systems LLC <info@conformal.com>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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package votingpool_test
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import (
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"fmt"
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"io/ioutil"
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"os"
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"path/filepath"
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"github.com/conformal/btcnet"
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"github.com/conformal/btcwallet/votingpool"
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"github.com/conformal/btcwallet/waddrmgr"
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"github.com/conformal/btcwallet/walletdb"
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_ "github.com/conformal/btcwallet/walletdb/bdb"
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)
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func Example_basic() {
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// This example demonstrates how to create a voting pool, create a
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// series, get a deposit address from a series and lastly how to
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// replace a series.
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// Create a new wallet DB.
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dir, err := ioutil.TempDir("", "pool_test")
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if err != nil {
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fmt.Printf("Failed to create db dir: %v\n", err)
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return
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}
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db, err := walletdb.Create("bdb", filepath.Join(dir, "wallet.db"))
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if err != nil {
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fmt.Printf("Failed to create wallet DB: %v\n", err)
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return
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}
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defer os.RemoveAll(dir)
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defer db.Close()
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// Create a new walletdb namespace for the address manager.
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mgrNamespace, err := db.Namespace([]byte("waddrmgr"))
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if err != nil {
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fmt.Printf("Failed to create addr manager DB namespace: %v\n", err)
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return
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}
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// Create the address manager
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mgr, err := waddrmgr.Create(mgrNamespace, seed, pubPassphrase, privPassphrase,
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&btcnet.MainNetParams, nil)
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if err != nil {
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fmt.Printf("Failed to create addr manager: %v\n", err)
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return
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}
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defer mgr.Close()
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// Create a walletdb for votingpools.
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vpNamespace, err := db.Namespace([]byte("votingpool"))
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if err != nil {
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fmt.Printf("Failed to create VotingPool DB namespace: %v\n", err)
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return
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}
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// Create the voting pool.
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pool, err := votingpool.Create(vpNamespace, mgr, []byte{0x00})
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if err != nil {
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fmt.Printf("Voting Pool creation failed: %v\n", err)
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return
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}
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// Create a 2-of-3 series.
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apiVersion := uint32(1)
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seriesID := uint32(1)
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requiredSignatures := uint32(2)
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pubKeys := []string{
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"xpub661MyMwAqRbcFDDrR5jY7LqsRioFDwg3cLjc7tML3RRcfYyhXqqgCH5SqMSQdpQ1Xh8EtVwcfm8psD8zXKPcRaCVSY4GCqbb3aMEs27GitE",
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"xpub661MyMwAqRbcGsxyD8hTmJFtpmwoZhy4NBBVxzvFU8tDXD2ME49A6JjQCYgbpSUpHGP1q4S2S1Pxv2EqTjwfERS5pc9Q2yeLkPFzSgRpjs9",
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"xpub661MyMwAqRbcEbc4uYVXvQQpH9L3YuZLZ1gxCmj59yAhNy33vXxbXadmRpx5YZEupNSqWRrR7PqU6duS2FiVCGEiugBEa5zuEAjsyLJjKCh",
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}
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err = pool.CreateSeries(apiVersion, seriesID, requiredSignatures, pubKeys)
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if err != nil {
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fmt.Printf("Cannot create series: %v\n", err)
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return
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}
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// Create a deposit address.
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branch := uint32(0) // The change branch
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index := uint32(1)
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addr, err := pool.DepositScriptAddress(seriesID, branch, index)
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if err != nil {
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fmt.Printf("DepositScriptAddress failed for series: %d, branch: %d, index: %d\n",
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seriesID, branch, index)
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return
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}
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fmt.Println("Generated deposit address:", addr.EncodeAddress())
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// Replace the existing series with a 3-of-5 series.
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pubKeys = []string{
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"xpub661MyMwAqRbcFQfXKHwz8ZbTtePwAKu8pmGYyVrWEM96DYUTWDYipMnHrFcemZHn13jcRMfsNU3UWQUudiaE7mhkWCHGFRMavF167DQM4Va",
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"xpub661MyMwAqRbcGnTEXx3ehjx8EiqQGnL4uhwZw3ZxvZAa2E6E4YVAp63UoVtvm2vMDDF8BdPpcarcf7PWcEKvzHhxzAYw1zG23C2egeh82AR",
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"xpub661MyMwAqRbcG83KwFyr1RVrNUmqVwYxV6nzxbqoRTNc8fRnWxq1yQiTBifTHhevcEM9ucZ1TqFS7Kv17Gd81cesv6RDrrvYS9SLPjPXhV5",
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"xpub661MyMwAqRbcFGJbLPhMjtpC1XntFpg6jjQWjr6yXN8b9wfS1RiU5EhJt5L7qoFuidYawc3XJoLjT2PcjVpXryS3hn1WmSPCyvQDNuKsfgM",
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"xpub661MyMwAqRbcGJDX4GYocn7qCzvMJwNisxpzkYZAakcvXtWV6CanXuz9xdfe5kTptFMJ4hDt2iTiT11zyN14u8R5zLvoZ1gnEVqNLxp1r3v",
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"xpub661MyMwAqRbcG13FtwvZVaA15pTerP4JdAGvytPykqDr2fKXePqw3wLhCALPAixsE176jFkc2ac9K3tnF4KwaTRKUqFF5apWD6XL9LHCu7E",
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}
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requiredSignatures = 3
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err = pool.ReplaceSeries(apiVersion, seriesID, requiredSignatures, pubKeys)
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if err != nil {
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fmt.Printf("Cannot replace series: %v\n", err)
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return
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}
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// Output:
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// Generated deposit address: 3QTzpc9d3tTbNLJLB7xwt87nWM38boAhAw
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}
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