nimbus-eth1/fluffy/fluffy.nim

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# 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
confutils, confutils/std/net, chronicles, chronicles/topics_registry,
chronos, metrics, metrics/chronos_httpserver, json_rpc/clients/httpclient,
json_rpc/rpcproxy,
eth/keys, eth/net/nat,
eth/p2p/discoveryv5/protocol as discv5_protocol,
./conf, ./rpc/[eth_api, bridge_client, discovery_api],
./network/state/[portal_network, content]
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
let d = newProtocol(config.nodeKey,
extIp, none(Port), extUdpPort,
bootstrapRecords = config.bootnodes,
bindIp = bindIp, bindPort = udpPort,
enrAutoUpdate = config.enrAutoUpdate,
rng = rng)
d.open()
let portal = PortalNetwork.new(d, newEmptyInMemoryStorage())
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:
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let ta = initTAddress(config.rpcAddress, config.rpcPort)
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var rpcHttpServerWithProxy = RpcProxy.new([ta], config.proxyUri)
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rpcHttpServerWithProxy.installEthApiHandlers()
rpcHttpServerWithProxy.installDiscoveryApiHandlers(d)
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# 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/
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waitFor rpcHttpServerWithProxy.start()
let bridgeClient = initializeBridgeClient(config.bridgeUri)
d.start()
portal.start()
runForever()
when isMainModule:
{.pop.}
let config = PortalConf.load()
{.push raises: [Defect].}
setLogLevel(config.logLevel)
case config.cmd
of noCommand: run(config)