nimbus-eth1/fluffy/fluffy.nim

140 lines
5.5 KiB
Nim

# Nimbus
# Copyright (c) 2021 Status Research & Development GmbH
# Licensed and distributed under either of
# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
# at your option. This file may not be copied, modified, or distributed except according to those terms.
{.push raises: [Defect].}
import
std/os,
confutils, confutils/std/net, chronicles, chronicles/topics_registry,
chronos, metrics, metrics/chronos_httpserver, json_rpc/clients/httpclient,
json_rpc/rpcproxy, stew/[byteutils, io2],
eth/keys, eth/net/nat,
eth/p2p/discoveryv5/protocol as discv5_protocol,
./conf, ./common/common_utils,
./rpc/[rpc_eth_api, bridge_client, rpc_discovery_api, rpc_portal_api,
rpc_portal_debug_api],
./network/state/[state_network, state_content],
./network/history/[history_network, history_content],
./network/wire/[portal_stream, portal_protocol_config],
"."/[content_db, populate_db]
proc initializeBridgeClient(maybeUri: Option[string]): Option[BridgeClient] =
try:
if (maybeUri.isSome()):
let uri = maybeUri.unsafeGet()
# TODO: Add possiblity to start client on differnt transports based on uri.
let httpClient = newRpcHttpClient()
waitFor httpClient.connect(uri)
notice "Initialized bridge client:", uri = uri
return some[BridgeClient](httpClient)
else:
return none(BridgeClient)
except CatchableError as err:
notice "Failed to initialize bridge client", error = err.msg
return none(BridgeClient)
proc run(config: PortalConf) {.raises: [CatchableError, Defect].} =
let
rng = newRng()
bindIp = config.listenAddress
udpPort = Port(config.udpPort)
# TODO: allow for no TCP port mapping!
(extIp, _, extUdpPort) =
try: setupAddress(config.nat,
config.listenAddress, udpPort, udpPort, "dcli")
except CatchableError as exc: raise exc
# TODO: Ideally we don't have the Exception here
except Exception as exc: raiseAssert exc.msg
var bootstrapRecords: seq[Record]
loadBootstrapFile(string config.bootstrapNodesFile, bootstrapRecords)
bootstrapRecords.add(config.bootstrapNodes)
let d = newProtocol(
config.networkKey,
extIp, none(Port), extUdpPort,
bootstrapRecords = bootstrapRecords,
bindIp = bindIp, bindPort = udpPort,
enrAutoUpdate = config.enrAutoUpdate,
rng = rng)
d.open()
# Store the database at contentdb prefixed with the first 8 chars of node id.
# This is done because the content in the db is dependant on the `NodeId` and
# the selected `Radius`.
let
db = ContentDB.new(config.dataDir / "db" / "contentdb_" &
d.localNode.id.toByteArrayBE().toOpenArray(0, 8).toHex())
# One instance of PortalStream and thus UtpDiscv5Protocol is shared over all
# the Portal networks.
portalConfig = PortalProtocolConfig.init(
config.tableIpLimit, config.bucketIpLimit, config.bitsPerHop)
portalStream = PortalStream.new(d)
stateNetwork = StateNetwork.new(d, db, portalStream,
bootstrapRecords = bootstrapRecords, portalConfig = portalConfig)
historyNetwork = HistoryNetwork.new(d, db, portalStream,
bootstrapRecords = bootstrapRecords, portalConfig = portalConfig)
# TODO: If no new network key is generated then we should first check if an
# enr file exists, and in the case it does read out the seqNum from it and
# reuse that.
let enrFile = config.dataDir / "fluffy_node.enr"
if io2.writeFile(enrFile, d.localNode.record.toURI()).isErr:
fatal "Failed to write the enr file", file = enrFile
quit 1
if config.metricsEnabled:
let
address = config.metricsAddress
port = config.metricsPort
notice "Starting metrics HTTP server",
url = "http://" & $address & ":" & $port & "/metrics"
try:
chronos_httpserver.startMetricsHttpServer($address, port)
except CatchableError as exc: raise exc
# TODO: Ideally we don't have the Exception here
except Exception as exc: raiseAssert exc.msg
if config.rpcEnabled:
let ta = initTAddress(config.rpcAddress, config.rpcPort)
var rpcHttpServerWithProxy = RpcProxy.new([ta], config.proxyUri)
rpcHttpServerWithProxy.installEthApiHandlers()
rpcHttpServerWithProxy.installDiscoveryApiHandlers(d)
rpcHttpServerWithProxy.installPortalApiHandlers(stateNetwork.portalProtocol, "state")
rpcHttpServerWithProxy.installPortalApiHandlers(historyNetwork.portalProtocol, "history")
rpcHttpServerWithProxy.installPortalDebugApiHandlers(stateNetwork.portalProtocol, "state")
rpcHttpServerWithProxy.installPortalDebugApiHandlers(stateNetwork.portalProtocol, "history")
# TODO for now we can only proxy to local node (or remote one without ssl) to make it possible
# to call infura https://github.com/status-im/nim-json-rpc/pull/101 needs to get merged for http client to support https/
waitFor rpcHttpServerWithProxy.start()
let bridgeClient = initializeBridgeClient(config.bridgeUri)
d.start()
stateNetwork.start()
historyNetwork.start()
runForever()
when isMainModule:
{.pop.}
let config = PortalConf.load()
{.push raises: [Defect].}
setLogLevel(config.logLevel)
case config.cmd
of PortalCmd.noCommand:
run(config)
of PortalCmd.populateHistoryDb:
let res = populateHistoryDb(config.dbDir.string, config.dataFile.string)
if res.isErr():
fatal "Failed populating the history content db", error = $res.error
quit 1