138 lines
3.9 KiB
Nim
138 lines
3.9 KiB
Nim
## Nim-Dagger
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## Copyright (c) 2021 Status Research & Development GmbH
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## Licensed under either of
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## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
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## * MIT license ([LICENSE-MIT](LICENSE-MIT))
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## at your option.
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## This file may not be copied, modified, or distributed except according to
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## those terms.
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import std/sequtils
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import std/os
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import std/sugar
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import pkg/chronicles
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import pkg/chronos
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import pkg/presto
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import pkg/libp2p
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import pkg/confutils
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import pkg/confutils/defs
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import pkg/nitro
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import pkg/stew/io2
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import pkg/stew/shims/net as stewnet
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import ./node
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import ./conf
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import ./rng
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import ./rest/api
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import ./stores
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import ./blockexchange
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import ./utils/fileutils
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import ./erasure
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import ./discovery
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type
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DaggerServer* = ref object
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runHandle: Future[void]
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config: DaggerConf
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restServer: RestServerRef
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daggerNode: DaggerNodeRef
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proc start*(s: DaggerServer) {.async.} =
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s.restServer.start()
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await s.daggerNode.start()
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s.runHandle = newFuture[void]()
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await s.runHandle
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proc stop*(s: DaggerServer) {.async.} =
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await allFuturesThrowing(
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s.restServer.stop(), s.daggerNode.stop())
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s.runHandle.complete()
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proc new*(T: type DaggerServer, config: DaggerConf): T =
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const SafePermissions = {UserRead, UserWrite}
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let
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privateKey =
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if config.netPrivKeyFile == "random":
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PrivateKey.random(Rng.instance()[]).get()
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else:
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let path =
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if config.netPrivKeyFile.isAbsolute:
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config.netPrivKeyFile
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else:
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config.dataDir / config.netPrivKeyFile
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if path.fileAccessible({AccessFlags.Find}):
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info "Found a network private key"
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if path.getPermissionsSet().get() != SafePermissions:
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warn "The network private key file is not safe, aborting"
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quit QuitFailure
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PrivateKey.init(path.readAllBytes().expect("accessible private key file")).
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expect("valid private key file")
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else:
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info "Creating a private key and saving it"
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let
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res = PrivateKey.random(Rng.instance()[]).get()
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bytes = res.getBytes().get()
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path.writeFile(bytes, SafePermissions.toInt()).expect("writing private key file")
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PrivateKey.init(bytes).expect("valid key bytes")
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let
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addresses =
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config.listenPorts.mapIt(MultiAddress.init("/ip4/" & $config.listenIp & "/tcp/" & $(it.int)).tryGet()) &
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@[MultiAddress.init("/ip4/" & $config.listenIp & "/udp/" & $(config.discoveryPort.int)).tryGet()]
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switch = SwitchBuilder
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.new()
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.withPrivateKey(privateKey)
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.withAddresses(addresses)
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.withRng(Rng.instance())
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.withNoise()
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.withMplex(5.minutes, 5.minutes)
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.withMaxConnections(config.maxPeers)
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.withAgentVersion(config.agentString)
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.withSignedPeerRecord(true)
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.withTcpTransport({ServerFlags.ReuseAddr})
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.build()
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let cache =
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if config.cacheSize > 0:
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CacheStore.new(cacheSize = config.cacheSize * MiB)
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else:
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CacheStore.new()
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let
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discoveryBootstrapNodes = config.bootstrapNodes
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discovery = Discovery.new(
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switch.peerInfo,
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discoveryPort = config.discoveryPort,
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bootstrapNodes = discoveryBootstrapNodes
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)
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wallet = WalletRef.new(EthPrivateKey.random())
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network = BlockExcNetwork.new(switch)
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localStore = FSStore.new(config.dataDir / "repo", cache = cache)
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engine = BlockExcEngine.new(localStore, wallet, network, discovery)
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store = NetworkStore.new(engine, localStore)
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erasure = Erasure.new(store, leoEncoderProvider, leoDecoderProvider)
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daggerNode = DaggerNodeRef.new(switch, store, engine, erasure, discovery)
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restServer = RestServerRef.new(
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daggerNode.initRestApi(),
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initTAddress("127.0.0.1" , config.apiPort),
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bufferSize = (1024 * 64),
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maxRequestBodySize = int.high)
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.tryGet()
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switch.mount(network)
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T(
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config: config,
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daggerNode: daggerNode,
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restServer: restServer,
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)
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