nim-codex/dagger/dagger.nim

91 lines
2.3 KiB
Nim

## Nim-Dagger
## Copyright (c) 2021 Status Research & Development GmbH
## Licensed under either of
## * Apache License, version 2.0, ([LICENSE-APACHE](LICENSE-APACHE))
## * MIT license ([LICENSE-MIT](LICENSE-MIT))
## at your option.
## This file may not be copied, modified, or distributed except according to
## those terms.
import std/sequtils
import std/os
import pkg/chronicles
import pkg/chronos
import pkg/presto
import pkg/libp2p
import pkg/confutils
import pkg/confutils/defs
import pkg/nitro
import pkg/stew/io2
import ./node
import ./conf
import ./rng
import ./rest/api
import ./stores
import ./blockexchange
import ./utils/fileutils
import ./erasure
type
DaggerServer* = ref object
runHandle: Future[void]
config: DaggerConf
restServer: RestServerRef
daggerNode: DaggerNodeRef
proc start*(s: DaggerServer) {.async.} =
s.restServer.start()
await s.daggerNode.start()
s.runHandle = newFuture[void]()
await s.runHandle
proc stop*(s: DaggerServer) {.async.} =
await allFuturesThrowing(
s.restServer.stop(), s.daggerNode.stop())
s.runHandle.complete()
proc new*(T: type DaggerServer, config: DaggerConf): T =
let
switch = SwitchBuilder
.new()
.withAddresses(config.listenAddrs)
.withRng(Rng.instance())
.withNoise()
.withMplex(5.minutes, 5.minutes)
.withMaxConnections(config.maxPeers)
.withAgentVersion(config.agentString)
.withTcpTransport({ServerFlags.ReuseAddr})
.build()
let cache =
if config.cacheSize > 0:
CacheStore.new(cacheSize = config.cacheSize * MiB)
else:
CacheStore.new()
let
wallet = WalletRef.new(EthPrivateKey.random())
network = BlockExcNetwork.new(switch)
localStore = FSStore.new(config.dataDir / "repo", cache = cache)
engine = BlockExcEngine.new(localStore, wallet, network)
store = NetworkStore.new(engine, localStore)
erasure = Erasure.new(store, leoEncoderProvider, leoDecoderProvider)
daggerNode = DaggerNodeRef.new(switch, store, engine, erasure)
restServer = RestServerRef.new(
daggerNode.initRestApi(),
initTAddress("127.0.0.1" , config.apiPort),
bufferSize = (1024 * 64),
maxRequestBodySize = int.high)
.tryGet()
switch.mount(network)
T(
config: config,
daggerNode: daggerNode,
restServer: restServer)