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some notes about the p2p layer

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This commit is contained in:
Ethan Buchman
2018-03-20 21:41:08 +01:00
parent 0cbbb61962
commit 936d1a0e68
6 changed files with 105 additions and 30 deletions
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42
node/node.go
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@ -6,6 +6,7 @@ import (
"fmt"
"net"
"net/http"
"strings"
abci "github.com/tendermint/abci/types"
amino "github.com/tendermint/go-amino"
@ -21,7 +22,6 @@ import (
mempl "github.com/tendermint/tendermint/mempool"
"github.com/tendermint/tendermint/p2p"
"github.com/tendermint/tendermint/p2p/pex"
"github.com/tendermint/tendermint/p2p/trust"
"github.com/tendermint/tendermint/proxy"
rpccore "github.com/tendermint/tendermint/rpc/core"
ctypes "github.com/tendermint/tendermint/rpc/core/types"
@ -99,9 +99,9 @@ type Node struct {
privValidator types.PrivValidator // local node's validator key
// network
sw *p2p.Switch // p2p connections
addrBook pex.AddrBook // known peers
trustMetricStore *trust.TrustMetricStore // trust metrics for all peers
sw *p2p.Switch // p2p connections
addrBook pex.AddrBook // known peers
// trustMetricStore *trust.TrustMetricStore // trust metrics for all peers
// services
eventBus *types.EventBus // pub/sub for services
@ -262,20 +262,33 @@ func NewNode(config *cfg.Config,
sw.AddReactor("EVIDENCE", evidenceReactor)
// Optionally, start the pex reactor
//
// TODO:
//
// We need to set Seeds and PersistentPeers on the switch,
// since it needs to be able to use these (and their DNS names)
// even if the PEX is off. We can include the DNS name in the NetAddress,
// but it would still be nice to have a clear list of the current "PersistentPeers"
// somewhere that we can return with net_info.
//
// Let's assume we always have IDs ... and we just dont authenticate them
// if auth_enc=false.
//
// If PEX is on, it should handle dialing the seeds. Otherwise the switch does it.
var addrBook pex.AddrBook
var trustMetricStore *trust.TrustMetricStore
if config.P2P.PexReactor {
addrBook = pex.NewAddrBook(config.P2P.AddrBookFile(), config.P2P.AddrBookStrict)
addrBook.SetLogger(p2pLogger.With("book", config.P2P.AddrBookFile()))
// Get the trust metric history data
trustHistoryDB, err := dbProvider(&DBContext{"trusthistory", config})
if err != nil {
return nil, err
var seeds []string
if config.P2P.Seeds != "" {
seeds = strings.Split(config.P2P.Seeds, ",")
}
trustMetricStore = trust.NewTrustMetricStore(trustHistoryDB, trust.DefaultConfig())
trustMetricStore.SetLogger(p2pLogger)
var privatePeerIDs []string
if config.P2P.PrivatePeerIDs != "" {
privatePeerIDs = strings.Split(config.P2P.PrivatePeerIDs, ",")
}
// TODO persistent peers ? so we can have their DNS addrs saved
pexReactor := pex.NewPEXReactor(addrBook,
&pex.PEXReactorConfig{
Seeds: cmn.SplitAndTrim(config.P2P.Seeds, ",", " "),
@ -355,9 +368,8 @@ func NewNode(config *cfg.Config,
genesisDoc: genDoc,
privValidator: privValidator,
sw: sw,
addrBook: addrBook,
trustMetricStore: trustMetricStore,
sw: sw,
addrBook: addrBook,
stateDB: stateDB,
blockStore: blockStore,