network: connection deduplication

.gitignore

@@ -48,6 +48,7 @@ crypto/libs
 *~
 *.swp
 *.swo
+*.swn
 
 # Mac
 .DS_Store

Makefile

@@ -85,7 +85,7 @@ GOLDFLAGS := $(GOLDFLAGS_BASE) \
 UNIT_TEST_SOURCES := $(sort $(shell GOPATH=$(GOPATH) && GO111MODULE=off && go list ./... | grep -v /go-algorand/test/ ))
 ALGOD_API_PACKAGES := $(sort $(shell GOPATH=$(GOPATH) && GO111MODULE=off && cd daemon/algod/api; go list ./... ))
 
-MSGP_GENERATE	:= ./protocol ./protocol/test ./crypto ./crypto/merklearray ./crypto/merklesignature ./crypto/stateproof ./data/basics ./data/transactions ./data/stateproofmsg ./data/committee ./data/bookkeeping ./data/hashable ./agreement ./rpcs ./node ./ledger ./ledger/ledgercore ./ledger/store ./ledger/encoded ./stateproof ./data/account ./daemon/algod/api/spec/v2
+MSGP_GENERATE	:= ./protocol ./protocol/test ./crypto ./crypto/merklearray ./crypto/merklesignature ./crypto/stateproof ./data/basics ./data/transactions ./data/stateproofmsg ./data/committee ./data/bookkeeping ./data/hashable ./agreement ./rpcs ./network ./node ./ledger ./ledger/ledgercore ./ledger/store ./ledger/encoded ./stateproof ./data/account ./daemon/algod/api/spec/v2
 
 default: build
 

config/localTemplate.go

@@ -56,7 +56,11 @@ type Local struct {
 	// 1 * time.Minute = 60000000000 ns
 	ReconnectTime time.Duration `version[0]:"60" version[1]:"60000000000"`
 
-	// what we should tell people to connect to
+	// The public address to connect to that is advertised to other nodes.
+	// For MainNet relays, make sure this entry includes the full SRV host name
+	// plus the publicly-accessible port number.
+	// A valid entry will avoid "self-gossip" and is used for identity exchange
+	// to deduplicate redundant connections
 	PublicAddress string `version[0]:""`
 
 	MaxConnectionsPerIP int `version[3]:"30" version[27]:"15"`

network/connPerfMon.go

@@ -25,6 +25,7 @@ import (
 	"github.com/algorand/go-algorand/crypto"
 )
 
+//msgp:ignore pmStage
 type pmStage int
 
 const (