add routine to tag miners peer IDs as high value in connection manager

node/modules/lp2p/host.go

@@ -16,6 +16,7 @@ import (
 	mocknet "github.com/libp2p/go-libp2p/p2p/net/mock"
 	"go.uber.org/fx"
 
+	"github.com/filecoin-project/lotus/build"
 	"github.com/filecoin-project/lotus/node/modules/dtypes"
 	"github.com/filecoin-project/lotus/node/modules/helpers"
 )
@@ -41,7 +42,7 @@ func Host(mctx helpers.MetricsCtx, lc fx.Lifecycle, params P2PHostIn) (RawHost,
 		return nil, fmt.Errorf("missing private key for node ID: %s", params.ID.Pretty())
 	}
 
-	opts := []libp2p.Option{libp2p.Identity(pkey), libp2p.Peerstore(params.Peerstore), libp2p.NoListenAddrs}
+	opts := []libp2p.Option{libp2p.Identity(pkey), libp2p.Peerstore(params.Peerstore), libp2p.NoListenAddrs, libp2p.UserAgent("lotus-" + build.Version)}
 	for _, o := range params.Opts {
 		opts = append(opts, o...)
 	}

node/modules/lp2p/libp2p.go

@@ -1,16 +1,20 @@
 package lp2p
 
 import (
+	"context"
 	"crypto/rand"
 	"time"
 
+	"github.com/filecoin-project/lotus/chain/stmgr"
 	"github.com/filecoin-project/lotus/chain/types"
+	"github.com/filecoin-project/lotus/node/peers"
 	"golang.org/x/xerrors"
 
 	logging "github.com/ipfs/go-log"
 	"github.com/libp2p/go-libp2p"
 	connmgr "github.com/libp2p/go-libp2p-connmgr"
 	"github.com/libp2p/go-libp2p-core/crypto"
+	host "github.com/libp2p/go-libp2p-core/host"
 	"github.com/libp2p/go-libp2p-core/peer"
 	"github.com/libp2p/go-libp2p-core/peerstore"
 	"go.uber.org/fx"
@@ -95,3 +99,18 @@ func simpleOpt(opt libp2p.Option) func() (opts Libp2pOpts, err error) {
 		return
 	}
 }
+
+func TagMiners(lc fx.Lifecycle, h host.Host, stmgr *stmgr.StateManager) *peers.PeerTagger {
+	pt := peers.NewPeerTagger(h, stmgr)
+	lc.Append(fx.Hook{
+		OnStart: func(ctx context.Context) error {
+			pt.Run()
+			return nil
+		},
+		OnStop: func(ctx context.Context) error {
+			return pt.Close()
+		},
+	})
+
+	return pt
+}