The core protocol of WoopChain
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woop/rosetta/rosetta.go

126 lines
3.4 KiB

package rosetta
import (
"errors"
"fmt"
"net"
"net/http"
"os"
"runtime/debug"
"time"
"github.com/coinbase/rosetta-sdk-go/asserter"
"github.com/coinbase/rosetta-sdk-go/server"
"github.com/coinbase/rosetta-sdk-go/types"
"github.com/harmony-one/harmony/hmy"
nodeconfig "github.com/harmony-one/harmony/internal/configs/node"
"github.com/harmony-one/harmony/internal/utils"
"github.com/harmony-one/harmony/rosetta/common"
"github.com/harmony-one/harmony/rosetta/services"
)
var listener net.Listener
// StartServers starts the rosetta http server
// TODO (dm): optimize rosetta to use single flight to avoid re-processing data
func StartServers(hmy *hmy.Harmony, config nodeconfig.RosettaServerConfig) error {
if !config.HTTPEnabled {
utils.Logger().Info().Msg("Rosetta http server disabled...")
return nil
}
network, err := common.GetNetwork(hmy.ShardID)
if err != nil {
return err
}
serverAsserter, err := asserter.NewServer(
append(common.PlainOperationTypes, common.StakingOperationTypes...),
nodeconfig.GetDefaultConfig().Role() == nodeconfig.ExplorerNode,
[]*types.NetworkIdentifier{network},
)
if err != nil {
return err
}
router := server.CorsMiddleware(recoverMiddleware(loggerMiddleware(getRouter(serverAsserter, hmy))))
utils.Logger().Info().
Int("port", config.HTTPPort).
Str("ip", config.HTTPIp).
Msg("Starting Rosetta server")
endpoint := fmt.Sprintf("%s:%d", config.HTTPIp, config.HTTPPort)
if listener, err = net.Listen("tcp", endpoint); err != nil {
return err
}
go newHTTPServer(router).Serve(listener)
fmt.Printf("Started Rosetta server at: %v\n", endpoint)
return nil
}
// StopServers stops the rosetta http server
func StopServers() error {
if err := listener.Close(); err != nil {
return err
}
return nil
}
func newHTTPServer(handler http.Handler) *http.Server {
return &http.Server{
Handler: handler,
ReadTimeout: common.ReadTimeout,
WriteTimeout: common.WriteTimeout,
IdleTimeout: common.IdleTimeout,
}
}
func getRouter(asserter *asserter.Asserter, hmy *hmy.Harmony) http.Handler {
return server.NewRouter(
server.NewNetworkAPIController(services.NewNetworkAPI(hmy), asserter),
server.NewBlockAPIController(services.NewBlockAPI(hmy), asserter),
server.NewAccountAPIController(services.NewAccountAPI(hmy), asserter),
)
}
func recoverMiddleware(h http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var err error
defer func() {
r := recover()
if r != nil {
switch t := r.(type) {
case string:
err = errors.New(t)
case error:
err = t
default:
err = errors.New("unknown error")
}
http.Error(w, err.Error(), http.StatusInternalServerError)
utils.Logger().Error().Err(err).Msg("Rosetta Error")
// Print to stderr for quick check of rosetta activity
debug.PrintStack()
_, _ = fmt.Fprintf(
os.Stderr, "%s PANIC: %s\n", time.Now().Format("2006-01-02 15:04:05"), err.Error(),
)
}
}()
h.ServeHTTP(w, r)
})
}
func loggerMiddleware(router http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
start := time.Now()
router.ServeHTTP(w, r)
msg := fmt.Sprintf(
"Rosetta: %s %s %s",
r.Method,
r.RequestURI,
time.Since(start),
)
utils.Logger().Info().Msg(msg)
// Print to stdout for quick check of rosetta activity
fmt.Printf("%s %s\n", time.Now().Format("2006-01-02 15:04:05"), msg)
})
}