97 lines
1.8 KiB
Go
97 lines
1.8 KiB
Go
package rest
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import (
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"context"
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"errors"
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"fmt"
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"net/http"
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"cosmossdk.io/core/transaction"
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"cosmossdk.io/log"
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serverv2 "cosmossdk.io/server/v2"
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)
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const (
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ServerName = "rest"
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)
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type Server[T transaction.Tx] struct {
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logger log.Logger
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router *http.ServeMux
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httpServer *http.Server
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config *Config
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cfgOptions []CfgOption
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}
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func New[T transaction.Tx](cfgOptions ...CfgOption) *Server[T] {
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return &Server[T]{
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cfgOptions: cfgOptions,
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}
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}
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func (s *Server[T]) Name() string {
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return ServerName
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}
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func (s *Server[T]) Init(appI serverv2.AppI[T], cfg map[string]any, logger log.Logger) error {
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s.logger = logger.With(log.ModuleKey, s.Name())
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serverCfg := s.Config().(*Config)
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if len(cfg) > 0 {
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if err := serverv2.UnmarshalSubConfig(cfg, s.Name(), &serverCfg); err != nil {
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return fmt.Errorf("failed to unmarshal config: %w", err)
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}
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}
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s.router = http.NewServeMux()
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s.router.Handle("/", NewDefaultHandler(appI))
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s.config = serverCfg
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return nil
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}
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func (s *Server[T]) Start(ctx context.Context) error {
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if !s.config.Enable {
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s.logger.Info(fmt.Sprintf("%s server is disabled via config", s.Name()))
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return nil
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}
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s.httpServer = &http.Server{
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Addr: s.config.Address,
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Handler: s.router,
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}
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s.logger.Info("starting HTTP server", "address", s.config.Address)
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if err := s.httpServer.ListenAndServe(); err != nil && !errors.Is(err, http.ErrServerClosed) {
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s.logger.Error("failed to start HTTP server", "error", err)
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return err
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}
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return nil
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}
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func (s *Server[T]) Stop(ctx context.Context) error {
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if !s.config.Enable {
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return nil
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}
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s.logger.Info("stopping HTTP server")
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return s.httpServer.Shutdown(ctx)
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}
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func (s *Server[T]) Config() any {
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if s.config == nil || s.config.Address == "" {
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cfg := DefaultConfig()
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for _, opt := range s.cfgOptions {
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opt(cfg)
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}
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return cfg
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}
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return s.config
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}
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