otterscan/cmd/otter/rpcservices/eth_txpool.go

51 lines
1.5 KiB
Go

package rpcservices
import (
"context"
"fmt"
"time"
"github.com/ledgerwatch/erigon-lib/gointerfaces"
"github.com/ledgerwatch/erigon-lib/gointerfaces/grpcutil"
txpooproto "github.com/ledgerwatch/erigon-lib/gointerfaces/txpool"
txpool2 "github.com/ledgerwatch/erigon-lib/txpool"
"github.com/ledgerwatch/log/v3"
"google.golang.org/grpc"
"google.golang.org/protobuf/types/known/emptypb"
)
type TxPoolService struct {
txpooproto.TxpoolClient
log log.Logger
version gointerfaces.Version
}
func NewTxPoolService(client txpooproto.TxpoolClient) *TxPoolService {
return &TxPoolService{
TxpoolClient: client,
version: gointerfaces.VersionFromProto(txpool2.TxPoolAPIVersion),
log: log.New("remote_service", "tx_pool"),
}
}
func (s *TxPoolService) EnsureVersionCompatibility() bool {
Start:
versionReply, err := s.Version(context.Background(), &emptypb.Empty{}, grpc.WaitForReady(true))
if err != nil {
if grpcutil.ErrIs(err, txpool2.ErrPoolDisabled) {
time.Sleep(3 * time.Second)
goto Start
}
s.log.Error("ensure version", "err", err)
return false
}
if !gointerfaces.EnsureVersion(s.version, versionReply) {
s.log.Error("incompatible interface versions", "client", s.version.String(),
"server", fmt.Sprintf("%d.%d.%d", versionReply.Major, versionReply.Minor, versionReply.Patch))
return false
}
s.log.Info("interfaces compatible", "client", s.version.String(),
"server", fmt.Sprintf("%d.%d.%d", versionReply.Major, versionReply.Minor, versionReply.Patch))
return true
}