# Nimbus # Copyright (c) 2023 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: [].} import std/os, json_serialization/std/net, beacon_chain/light_client, beacon_chain/conf, json_rpc/rpcproxy export net, conf proc defaultVerifiedProxyDataDir*(): string = let dataDir = when defined(windows): "AppData" / "Roaming" / "FluffyBeaconChainBridge" elif defined(macosx): "Library" / "Application Support" / "FluffyBeaconChainBridge" else: ".cache" / "fluffy-beacon-chain-bridge" getHomeDir() / dataDir const defaultDataVerifiedProxyDirDesc* = defaultVerifiedProxyDataDir() type Web3UrlKind* = enum HttpUrl, WsUrl Web3Url* = object kind*: Web3UrlKind web3Url*: string type BeaconBridgeConf* = object # Config configFile* {. desc: "Loads the configuration from a TOML file" name: "config-file" .}: Option[InputFile] # Logging logLevel* {. desc: "Sets the log level" defaultValue: "INFO" name: "log-level" .}: string logStdout* {. hidden desc: "Specifies what kind of logs should be written to stdout (auto, colors, nocolors, json)" defaultValueDesc: "auto" defaultValue: StdoutLogKind.Auto name: "log-format" .}: StdoutLogKind # Storage dataDir* {. desc: "The directory where beacon_chain_bridge will store all data" defaultValue: defaultVerifiedProxyDataDir() defaultValueDesc: $defaultDataVerifiedProxyDirDesc abbr: "d" name: "data-dir" .}: OutDir # Portal JSON-RPC API server to connect to rpcAddress* {. desc: "Listening address of the Portal JSON-RPC server" defaultValue: "127.0.0.1" name: "rpc-address" .}: string rpcPort* {. desc: "Listening port of the Portal JSON-RPC server" defaultValue: 8545 name: "rpc-port" .}: Port ## Bridge options beaconLightClient* {. desc: "Enable beacon light client content bridging" defaultValue: false name: "beacon-light-client" .}: bool web3Url* {. desc: "Execution layer JSON-RPC API URL" name: "web3-url" .}: Option[Web3Url] ## Beacon chain light client specific options # For Consensus light sync - No default - Needs to be provided by the user trustedBlockRoot* {. desc: "Recent trusted finalized block root to initialize the consensus light client from" name: "trusted-block-root" .}: Eth2Digest # Network eth2Network* {. desc: "The Eth2 network to join" defaultValueDesc: "mainnet" name: "network" .}: Option[string] # Libp2p bootstrapNodes* {. desc: "Specifies one or more bootstrap nodes to use when connecting to the network" abbr: "b" name: "bootstrap-node" .}: seq[string] bootstrapNodesFile* {. desc: "Specifies a line-delimited file of bootstrap Ethereum network addresses" defaultValue: "" name: "bootstrap-file" .}: InputFile listenAddress* {. desc: "Listening address for the Ethereum LibP2P and Discovery v5 traffic" defaultValue: defaultListenAddress defaultValueDesc: $defaultListenAddressDesc name: "listen-address" .}: ValidIpAddress tcpPort* {. desc: "Listening TCP port for Ethereum LibP2P traffic" defaultValue: defaultEth2TcpPort defaultValueDesc: $defaultEth2TcpPortDesc name: "tcp-port" .}: Port udpPort* {. desc: "Listening UDP port for node discovery" defaultValue: defaultEth2TcpPort defaultValueDesc: $defaultEth2TcpPortDesc name: "udp-port" .}: Port # TODO: Select a lower amount of peers. maxPeers* {. desc: "The target number of peers to connect to" defaultValue: 160 # 5 (fanout) * 64 (subnets) / 2 (subs) for a healthy mesh name: "max-peers" .}: int hardMaxPeers* {. desc: "The maximum number of peers to connect to. Defaults to maxPeers * 1.5" name: "hard-max-peers" .}: Option[int] nat* {. desc: "Specify method to use for determining public address. " & "Must be one of: any, none, upnp, pmp, extip:" defaultValue: NatConfig(hasExtIp: false, nat: NatAny) defaultValueDesc: "any" name: "nat" .}: NatConfig enrAutoUpdate* {. desc: "Discovery can automatically update its ENR with the IP address " & "and UDP port as seen by other nodes it communicates with. " & "This option allows to enable/disable this functionality" defaultValue: false name: "enr-auto-update" .}: bool agentString* {. defaultValue: "nimbus", desc: "Node agent string which is used as identifier in the LibP2P network" name: "agent-string" .}: string discv5Enabled* {. desc: "Enable Discovery v5" defaultValue: true name: "discv5" .}: bool directPeers* {. desc: "The list of priviledged, secure and known peers to connect and" & "maintain the connection to, this requires a not random netkey-file." & "In the complete multiaddress format like:" & "/ip4/
/tcp//p2p/." & "Peering agreements are established out of band and must be reciprocal" name: "direct-peer" .}: seq[string] proc parseCmdArg*( T: type Web3Url, p: string): T {.raises: [ConfigurationError].} = let url = parseUri(p) normalizedScheme = url.scheme.toLowerAscii() if (normalizedScheme == "http" or normalizedScheme == "https"): Web3Url(kind: HttpUrl, web3Url: p) elif (normalizedScheme == "ws" or normalizedScheme == "wss"): Web3Url(kind: WsUrl, web3Url: p) else: raise newException( ConfigurationError, "The Web3 URL must specify one of following protocols: http/https/ws/wss" ) proc completeCmdArg*(T: type Web3Url, val: string): seq[string] = return @[] func asLightClientConf*(pc: BeaconBridgeConf): LightClientConf = return LightClientConf( configFile: pc.configFile, logLevel: pc.logLevel, logStdout: pc.logStdout, logFile: none(OutFile), dataDir: pc.dataDir, eth2Network: pc.eth2Network, bootstrapNodes: pc.bootstrapNodes, bootstrapNodesFile: pc.bootstrapNodesFile, listenAddress: pc.listenAddress, tcpPort: pc.tcpPort, udpPort: pc.udpPort, maxPeers: pc.maxPeers, hardMaxPeers: pc.hardMaxPeers, nat: pc.nat, enrAutoUpdate: pc.enrAutoUpdate, agentString: pc.agentString, discv5Enabled: pc.discv5Enabled, directPeers: pc.directPeers, trustedBlockRoot: pc.trustedBlockRoot, web3Urls: @[], jwtSecret: none(InputFile), stopAtEpoch: 0 )