cosmos-sdk/server/v2/store/server.go
2024-11-08 14:44:15 +00:00

93 lines
2.2 KiB
Go

package store
import (
"context"
"fmt"
"github.com/spf13/cobra"
"cosmossdk.io/core/server"
"cosmossdk.io/core/transaction"
serverv2 "cosmossdk.io/server/v2"
storev2 "cosmossdk.io/store/v2"
"cosmossdk.io/store/v2/root"
)
var (
_ serverv2.ServerComponent[transaction.Tx] = (*Server[transaction.Tx])(nil)
_ serverv2.HasConfig = (*Server[transaction.Tx])(nil)
_ serverv2.HasCLICommands = (*Server[transaction.Tx])(nil)
)
const ServerName = "store"
// Server manages store config and contains prune & snapshot commands
type Server[T transaction.Tx] struct {
config *root.Config
store storev2.Backend
}
func New[T transaction.Tx](store storev2.Backend, cfg server.ConfigMap) (*Server[T], error) {
config, err := UnmarshalConfig(cfg)
if err != nil {
return nil, err
}
return &Server[T]{
store: store,
config: config,
}, nil
}
func (s *Server[T]) Name() string {
return ServerName
}
func (s *Server[T]) Start(context.Context) error {
return nil
}
func (s *Server[T]) Stop(context.Context) error {
return nil
}
func (s *Server[T]) CLICommands() serverv2.CLIConfig {
return serverv2.CLIConfig{
Commands: []*cobra.Command{
s.PrunesCmd(),
s.ExportSnapshotCmd(),
s.DeleteSnapshotCmd(),
s.ListSnapshotsCmd(),
s.DumpArchiveCmd(),
s.LoadArchiveCmd(),
s.RestoreSnapshotCmd(),
},
}
}
func (s *Server[T]) Config() any {
if s.config == nil || s.config.AppDBBackend == "" {
return root.DefaultConfig()
}
return s.config
}
// UnmarshalConfig unmarshals the store config from the given map.
// If the config is not found in the map, the default config is returned.
// If the home directory is found in the map, it sets the home directory in the config.
// An empty home directory *is* permitted at this stage, but attempting to build
// the store with an empty home directory will fail.
func UnmarshalConfig(cfg map[string]any) (*root.Config, error) {
config := &root.Config{
Options: root.DefaultStoreOptions(),
}
if err := serverv2.UnmarshalSubConfig(cfg, ServerName, config); err != nil {
return nil, fmt.Errorf("failed to unmarshal store config: %w", err)
}
home := cfg[serverv2.FlagHome]
if home != nil {
config.Home = home.(string)
}
return config, nil
}