pkg: expose p2p functions (#6627)

## Description

Expose p2p functions for use in the sdk. 

These functions could also be copied over to the sdk. I dont have a preference of which is better.

node/node.go

@@ -59,7 +59,7 @@ type nodeImpl struct {
 	router      *p2p.Router
 	addrBook    pex.AddrBook // known peers
 	nodeInfo    types.NodeInfo
-	nodeKey     p2p.NodeKey // our node privkey
+	nodeKey     types.NodeKey // our node privkey
 	isListening bool
 
 	// services
@@ -89,7 +89,7 @@ type nodeImpl struct {
 // PrivValidator, ClientCreator, GenesisDoc, and DBProvider.
 // It implements NodeProvider.
 func newDefaultNode(config *cfg.Config, logger log.Logger) (service.Service, error) {
-	nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile())
+	nodeKey, err := types.LoadOrGenNodeKey(config.NodeKeyFile())
 	if err != nil {
 		return nil, fmt.Errorf("failed to load or gen node key %s: %w", config.NodeKeyFile(), err)
 	}
@@ -126,7 +126,7 @@ func newDefaultNode(config *cfg.Config, logger log.Logger) (service.Service, err
 // makeNode returns a new, ready to go, Tendermint Node.
 func makeNode(config *cfg.Config,
 	privValidator types.PrivValidator,
-	nodeKey p2p.NodeKey,
+	nodeKey types.NodeKey,
 	clientCreator proxy.ClientCreator,
 	genesisDocProvider genesisDocProvider,
 	dbProvider cfg.DBProvider,
@@ -458,7 +458,7 @@ func makeNode(config *cfg.Config,
 // makeSeedNode returns a new seed node, containing only p2p, pex reactor
 func makeSeedNode(config *cfg.Config,
 	dbProvider cfg.DBProvider,
-	nodeKey p2p.NodeKey,
+	nodeKey types.NodeKey,
 	genesisDocProvider genesisDocProvider,
 	logger log.Logger,
 ) (service.Service, error) {

node/node_test.go

@@ -24,7 +24,6 @@ import (
 	"github.com/tendermint/tendermint/internal/evidence"
 	"github.com/tendermint/tendermint/internal/mempool"
 	mempoolv0 "github.com/tendermint/tendermint/internal/mempool/v0"
-	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/internal/test/factory"
 	"github.com/tendermint/tendermint/libs/log"
 	tmrand "github.com/tendermint/tendermint/libs/rand"
@@ -486,7 +485,7 @@ func TestNodeNewSeedNode(t *testing.T) {
 	config.Mode = cfg.ModeSeed
 	defer os.RemoveAll(config.RootDir)
 
-	nodeKey, err := p2p.LoadOrGenNodeKey(config.NodeKeyFile())
+	nodeKey, err := types.LoadOrGenNodeKey(config.NodeKeyFile())
 	require.NoError(t, err)
 
 	ns, err := makeSeedNode(config,

node/public.go

@@ -5,7 +5,6 @@ import (
 	"fmt"
 
 	"github.com/tendermint/tendermint/config"
-	"github.com/tendermint/tendermint/internal/p2p"
 	"github.com/tendermint/tendermint/libs/log"
 	"github.com/tendermint/tendermint/libs/service"
 	"github.com/tendermint/tendermint/privval"
@@ -32,7 +31,7 @@ func New(conf *config.Config,
 	cf proxy.ClientCreator,
 	gen *types.GenesisDoc,
 ) (service.Service, error) {
-	nodeKey, err := p2p.LoadOrGenNodeKey(conf.NodeKeyFile())
+	nodeKey, err := types.LoadOrGenNodeKey(conf.NodeKeyFile())
 	if err != nil {
 		return nil, fmt.Errorf("failed to load or gen node key %s: %w", conf.NodeKeyFile(), err)
 	}

node/setup.go

@@ -566,7 +566,7 @@ func createSwitch(
 	evidenceReactor *p2p.ReactorShim,
 	proxyApp proxy.AppConns,
 	nodeInfo types.NodeInfo,
-	nodeKey p2p.NodeKey,
+	nodeKey types.NodeKey,
 	p2pLogger log.Logger,
 ) *p2p.Switch {
 
@@ -644,7 +644,7 @@ func createSwitch(
 }
 
 func createAddrBookAndSetOnSwitch(config *cfg.Config, sw *p2p.Switch,
-	p2pLogger log.Logger, nodeKey p2p.NodeKey) (pex.AddrBook, error) {
+	p2pLogger log.Logger, nodeKey types.NodeKey) (pex.AddrBook, error) {
 
 	addrBook := pex.NewAddrBook(config.P2P.AddrBookFile(), config.P2P.AddrBookStrict)
 	addrBook.SetLogger(p2pLogger.With("book", config.P2P.AddrBookFile()))
@@ -709,7 +709,7 @@ func createPEXReactorV2(
 
 func makeNodeInfo(
 	config *cfg.Config,
-	nodeKey p2p.NodeKey,
+	nodeKey types.NodeKey,
 	eventSinks []indexer.EventSink,
 	genDoc *types.GenesisDoc,
 	state sm.State,
@@ -778,7 +778,7 @@ func makeNodeInfo(
 
 func makeSeedNodeInfo(
 	config *cfg.Config,
-	nodeKey p2p.NodeKey,
+	nodeKey types.NodeKey,
 	genDoc *types.GenesisDoc,
 	state sm.State,
 ) (types.NodeInfo, error) {