rename p2p protocol to /fil/chain/xchg/0.0.1 (backwards-compatible); rename more.

node/builder.go

@@ -103,7 +103,7 @@ const (
 	SetGenesisKey
 
 	RunHelloKey
-	RunBlockSyncKey
+	RunChainExchangeKey
 	RunChainGraphsync
 	RunPeerMgrKey
 
@@ -259,7 +259,7 @@ func Online() Option {
 			Override(new(*dtypes.MpoolLocker), new(dtypes.MpoolLocker)),
 
 			Override(RunHelloKey, modules.RunHello),
-			Override(RunBlockSyncKey, modules.RunBlockSync),
+			Override(RunChainExchangeKey, modules.RunChainExchange),
 			Override(RunPeerMgrKey, modules.RunPeerMgr),
 			Override(HandleIncomingBlocksKey, modules.HandleIncomingBlocks),
 

node/modules/services.go

@@ -69,8 +69,9 @@ func RunPeerMgr(mctx helpers.MetricsCtx, lc fx.Lifecycle, pmgr *peermgr.PeerMgr)
 	go pmgr.Run(helpers.LifecycleCtx(mctx, lc))
 }
 
-func RunBlockSync(h host.Host, svc exchange.Server) {
-	h.SetStreamHandler(exchange.BlockSyncProtocolID, svc.HandleStream)
+func RunChainExchange(h host.Host, svc exchange.Server) {
+	h.SetStreamHandler(exchange.BlockSyncProtocolID, svc.HandleStream)     // old
+	h.SetStreamHandler(exchange.ChainExchangeProtocolID, svc.HandleStream) // new
 }
 
 func HandleIncomingBlocks(mctx helpers.MetricsCtx, lc fx.Lifecycle, ps *pubsub.PubSub, s *chain.Syncer, bserv dtypes.ChainBlockService, chain *store.ChainStore, stmgr *stmgr.StateManager, h host.Host, nn dtypes.NetworkName) {