mirror of
https://github.com/kaspanet/kaspad.git
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98 lines
3.0 KiB
Go
98 lines
3.0 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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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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flags "github.com/jessevdk/go-flags"
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"github.com/kaspanet/kaspad/infrastructure/config"
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"github.com/kaspanet/kaspad/util"
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"github.com/pkg/errors"
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"os"
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"path/filepath"
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)
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const (
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defaultDataFile = "bootstrap.dat"
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defaultProgress = 10
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)
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var (
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kaspadHomeDir = util.AppDataDir("kaspad", false)
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defaultDataDir = filepath.Join(kaspadHomeDir, "data")
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activeConfig *ConfigFlags
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)
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// ActiveConfig returns the active configuration struct
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func ActiveConfig() *ConfigFlags {
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return activeConfig
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}
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// ConfigFlags defines the configuration options for addblock.
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//
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// See loadConfig for details on the configuration load process.
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type ConfigFlags struct {
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DataDir string `short:"b" long:"datadir" description:"Location of the kaspad data directory"`
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InFile string `short:"i" long:"infile" description:"File containing the block(s)"`
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Progress int `short:"p" long:"progress" description:"Show a progress message each time this number of seconds have passed -- Use 0 to disable progress announcements"`
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AcceptanceIndex bool `long:"acceptanceindex" description:"Maintain a full hash-based acceptance index which makes the getChainFromBlock RPC available"`
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config.NetworkFlags
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}
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// filesExists reports whether the named file or directory exists.
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func fileExists(name string) bool {
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if _, err := os.Stat(name); err != nil {
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if os.IsNotExist(err) {
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return false
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}
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}
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return true
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}
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// loadConfig initializes and parses the config using command line options.
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func loadConfig() (*ConfigFlags, []string, error) {
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// Default config.
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activeConfig = &ConfigFlags{
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DataDir: defaultDataDir,
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InFile: defaultDataFile,
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Progress: defaultProgress,
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}
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// Parse command line options.
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parser := flags.NewParser(&activeConfig, flags.Default)
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remainingArgs, err := parser.Parse()
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if err != nil {
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var flagsErr *flags.Error
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if ok := errors.As(err, &flagsErr); !ok || flagsErr.Type != flags.ErrHelp {
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parser.WriteHelp(os.Stderr)
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}
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return nil, nil, err
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}
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err = activeConfig.ResolveNetwork(parser)
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if err != nil {
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return nil, nil, err
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}
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// Append the network type to the data directory so it is "namespaced"
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// per network. In addition to the block database, there are other
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// pieces of data that are saved to disk such as address manager state.
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// All data is specific to a network, so namespacing the data directory
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// means each individual piece of serialized data does not have to
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// worry about changing names per network and such.
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cfg.DataDir = filepath.Join(cfg.DataDir, ActiveConfig().NetParams().Name)
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// Ensure the specified block file exists.
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if !fileExists(cfg.InFile) {
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str := "%s: The specified block file [%s] does not exist"
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err := errors.Errorf(str, "loadConfig", cfg.InFile)
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fmt.Fprintln(os.Stderr, err)
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parser.WriteHelp(os.Stderr)
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return nil, nil, err
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}
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return cfg, remainingArgs, nil
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}
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