nimbus-eth1/nimbus_verified_proxy/libverifproxy/verifproxy.nim

91 lines
3.0 KiB
Nim

# nimbus_verified_proxy
# Copyright (c) 2024 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.
import
std/[atomics, json, strutils, net],
../nimbus_verified_proxy,
../nimbus_verified_proxy_conf
proc quit*() {.exportc, dynlib.} =
echo "Quitting"
proc NimMain() {.importc, exportc, dynlib.}
var initialized: Atomic[bool]
proc initLib() =
if not initialized.exchange(true):
NimMain() # Every Nim library needs to call `NimMain` once exactly
when declared(setupForeignThreadGc):
setupForeignThreadGc()
when declared(nimGC_setStackBottom):
var locals {.volatile, noinit.}: pointer
locals = addr(locals)
nimGC_setStackBottom(locals)
proc runContext(ctx: ptr Context) {.thread.} =
const defaultListenAddress = (static parseIpAddress("0.0.0.0"))
let str = $ctx.configJson
try:
let jsonNode = parseJson(str)
let rpcAddr = jsonNode["RpcAddress"].getStr()
let myConfig = VerifiedProxyConf(
rpcAddress: parseIpAddress(rpcAddr),
listenAddress: some(defaultListenAddress),
eth2Network: some(jsonNode["Eth2Network"].getStr()),
trustedBlockRoot: Eth2Digest.fromHex(jsonNode["TrustedBlockRoot"].getStr()),
web3Url: parseCmdArg(Web3Url, jsonNode["Web3Url"].getStr()),
rpcPort: Port(jsonNode["RpcPort"].getInt()),
logLevel: jsonNode["LogLevel"].getStr(),
maxPeers: 160,
nat: NatConfig(hasExtIp: false, nat: NatAny),
logStdout: StdoutLogKind.Auto,
dataDir: OutDir(defaultVerifiedProxyDataDir()),
tcpPort: Port(defaultEth2TcpPort),
udpPort: Port(defaultEth2TcpPort),
agentString: "nimbus",
discv5Enabled: true,
)
run(myConfig, ctx)
except Exception as err:
echo "Exception when running ", getCurrentExceptionMsg(), err.getStackTrace()
ctx.onHeader(getCurrentExceptionMsg(), 3)
ctx.cleanup()
#[let node = parseConfigAndRun(ctx.configJson)
while not ctx[].stop: # and node.running:
let timeout = sleepAsync(100.millis)
waitFor timeout
# do cleanup
node.stop()]#
proc startVerifProxy*(
configJson: cstring, onHeader: OnHeaderCallback
): ptr Context {.exportc, dynlib.} =
initLib()
let ctx = createShared(Context, 1)
ctx.configJson = cast[cstring](allocShared0(len(configJson) + 1))
ctx.onHeader = onHeader
copyMem(ctx.configJson, configJson, len(configJson))
try:
createThread(ctx.thread, runContext, ctx)
except Exception as err:
echo "Exception when attempting to invoke createThread ",
getCurrentExceptionMsg(), err.getStackTrace()
ctx.onHeader(getCurrentExceptionMsg(), 3)
ctx.cleanup()
return ctx
proc stopVerifProxy*(ctx: ptr Context) {.exportc, dynlib.} =
ctx.stop = true