mirror of
https://github.com/kaspanet/kaspad.git
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6d765f58ba
* [NOD-570] Separate genesis variables for different netwroks * [NOD-570] Make Testnet genesis * [NOD-570] Make simnet and regtest genesis * [NOD-570] Remake devnet genesis * [NOD-570] Rename regNet -> regTest testnet->testNet * [NOD-570] Change network names to one word instead of camel case * [NOD-570] Change network names to one word instead of camel case * [NOD-570] Fix test names * [NOD-570] Fix TestGHOSTDAG Co-authored-by: Dan Aharoni <dereeno@protonmail.com>
112 lines
3.3 KiB
Go
112 lines
3.3 KiB
Go
// Copyright (c) 2015-2016 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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"github.com/pkg/errors"
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"os"
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"path/filepath"
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"strings"
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"github.com/kaspanet/kaspad/dagconfig"
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"github.com/kaspanet/kaspad/database"
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_ "github.com/kaspanet/kaspad/database/ffldb"
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"github.com/kaspanet/kaspad/util"
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)
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var (
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kaspadHomeDir = util.AppDataDir("kaspad", false)
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knownDbTypes = database.SupportedDrivers()
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activeNetParams = &dagconfig.MainnetParams
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// Default global config.
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cfg = &config{
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DataDir: filepath.Join(kaspadHomeDir, "data"),
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DbType: "ffldb",
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}
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)
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// config defines the global configuration options.
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type config struct {
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DataDir string `short:"b" long:"datadir" description:"Location of the kaspad data directory"`
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DbType string `long:"dbtype" description:"Database backend to use for the Block DAG"`
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Testnet bool `long:"testnet" description:"Use the test network"`
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RegressionTest bool `long:"regtest" description:"Use the regression test network"`
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Simnet bool `long:"simnet" description:"Use the simulation test network"`
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Devnet bool `long:"devnet" description:"Use the development test network"`
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}
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// fileExists 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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// validDbType returns whether or not dbType is a supported database type.
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func validDbType(dbType string) bool {
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for _, knownType := range knownDbTypes {
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if dbType == knownType {
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return true
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}
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}
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return false
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}
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// setupGlobalConfig examine the global configuration options for any conditions
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// which are invalid as well as performs any addition setup necessary after the
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// initial parse.
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func setupGlobalConfig() error {
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// Multiple networks can't be selected simultaneously.
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// Count number of network flags passed; assign active network params
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// while we're at it
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numNets := 0
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if cfg.Testnet {
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numNets++
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activeNetParams = &dagconfig.TestnetParams
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}
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if cfg.RegressionTest {
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numNets++
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activeNetParams = &dagconfig.RegressionNetParams
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}
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if cfg.Simnet {
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numNets++
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activeNetParams = &dagconfig.SimnetParams
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}
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if cfg.Devnet {
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numNets++
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activeNetParams = &dagconfig.DevnetParams
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}
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if numNets > 1 {
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return errors.New("The testnet, regtest, simnet and devnet params " +
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"can't be used together -- choose one of the four")
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}
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if numNets == 0 {
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return errors.New("Mainnet has not launched yet, use --testnet to run in testnet mode")
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}
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// Validate database type.
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if !validDbType(cfg.DbType) {
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str := "The specified database type [%s] is invalid -- " +
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"supported types: %s"
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return errors.Errorf(str, cfg.DbType, strings.Join(knownDbTypes, ", "))
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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, activeNetParams.Name)
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return nil
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}
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