/
node.go
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/
node.go
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// Copyright (c) 2022 Gobalsky Labs Limited
//
// Use of this software is governed by the Business Source License included
// in the LICENSE file and at https://www.mariadb.com/bsl11.
//
// Change Date: 18 months from the later of the date of the first publicly
// available Distribution of this version of the repository, and 25 June 2022.
//
// On the date above, in accordance with the Business Source License, use
// of this software will be governed by version 3 or later of the GNU General
// Public License.
package commands
import (
"context"
"errors"
"fmt"
"runtime/debug"
"github.com/elysiumstation/fury/libs/memory"
"github.com/elysiumstation/fury/cmd/fury/commands/node"
"github.com/elysiumstation/fury/core/config"
"github.com/elysiumstation/fury/logging"
"github.com/elysiumstation/fury/paths"
"github.com/jessevdk/go-flags"
)
type StartCmd struct {
config.Passphrase `long:"nodewallet-passphrase-file" description:"A file contain the passphrase to decrypt the node wallet"`
config.FuryHomeFlag
config.Config
TendermintHome string `long:"tendermint-home" description:"Directory for tendermint config and data (default: $HOME/.cometbft)"`
Network string `long:"network" description:"The network to start this node with"`
NetworkURL string `long:"network-url" description:"The URL to a genesis file to start this node with"`
}
var startCmd StartCmd
const namedLogger = "core"
func (cmd *StartCmd) Execute([]string) error {
log := logging.NewLoggerFromConfig(
logging.NewDefaultConfig())
logCore := log.Named(namedLogger)
defer func() {
log.AtExit()
logCore.AtExit()
}()
// we define this option to parse the cli args each time the config is
// loaded. So that we can respect the cli flag precedence.
parseFlagOpt := func(cfg *config.Config) error {
_, err := flags.NewParser(cfg, flags.Default|flags.IgnoreUnknown).Parse()
return err
}
furyPaths := paths.New(cmd.FuryHome)
if len(cmd.Network) > 0 && len(cmd.NetworkURL) > 0 {
return errors.New("--network-url and --network cannot be set together")
}
confWatcher, err := config.NewWatcher(context.Background(), logCore, furyPaths, config.Use(parseFlagOpt))
if err != nil {
return err
}
// only try to get the passphrase if the node is started
// as a validator
var pass string
if confWatcher.Get().IsValidator() {
pass, err = cmd.Get("node wallet", false)
if err != nil {
return err
}
}
// setup max memory usage
memFactor, err := confWatcher.Get().GetMaxMemoryFactor()
if err != nil {
return err
}
// only set max memory if user didn't require 100%
if memFactor != 1 {
totalMem, err := memory.TotalMemory()
if err != nil {
return fmt.Errorf("failed to get total memory: %w", err)
}
debug.SetMemoryLimit(int64(float64(totalMem) * memFactor))
}
if len(startCmd.TendermintHome) <= 0 {
startCmd.TendermintHome = "$HOME/.cometbft"
}
return (&node.Command{
Log: logCore,
}).Run(
confWatcher,
furyPaths,
pass,
cmd.TendermintHome,
cmd.NetworkURL,
cmd.Network,
log,
)
}
func Start(ctx context.Context, parser *flags.Parser) error {
startCmd = StartCmd{
Config: config.NewDefaultConfig(),
}
cmd, err := parser.AddCommand("start", "Start a fury instance", "Runs a fury node", &startCmd)
if err != nil {
return err
}
// Print nested groups under parent's name using `::` as the separator.
for _, parent := range cmd.Groups() {
for _, grp := range parent.Groups() {
grp.ShortDescription = parent.ShortDescription + "::" + grp.ShortDescription
}
}
return nil
}
func Node(ctx context.Context, parser *flags.Parser) error {
startCmd = StartCmd{
Config: config.NewDefaultConfig(),
}
cmd, err := parser.AddCommand("node", "deprecated, see fury start instead", "deprecated, use fury start instead", &startCmd)
if err != nil {
return err
}
// Print nested groups under parent's name using `::` as the separator.
for _, parent := range cmd.Groups() {
for _, grp := range parent.Groups() {
grp.ShortDescription = parent.ShortDescription + "::" + grp.ShortDescription
}
}
return nil
}