nimbus-eth1/fluffy/tests/test_discovery_rpc.nim

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# Nimbus - Portal Network
# Copyright (c) 2021-2024 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.
{.used.}
import
chronos,
testutils/unittests,
json_rpc/[rpcproxy, rpcserver],
json_rpc/clients/httpclient,
stint,
eth/p2p/discoveryv5/enr,
eth/keys,
eth/p2p/discoveryv5/protocol as discv5_protocol,
../rpc/rpc_discovery_api,
./test_helpers
type TestCase = ref object
localDiscovery: discv5_protocol.Protocol
server: RpcProxy
client: RpcHttpClient
proc setupTest(rng: ref HmacDrbgContext): Future[TestCase] {.async.} =
let
localSrvAddress = "127.0.0.1"
localSrvPort = 0 # let the OS choose a port
ta = initTAddress(localSrvAddress, localSrvPort)
localDiscoveryNode =
initDiscoveryNode(rng, PrivateKey.random(rng[]), localAddress(20302))
fakeProxyConfig = getHttpClientConfig("http://127.0.0.1:8546")
client = newRpcHttpClient()
var rpcHttpServerWithProxy = RpcProxy.new([ta], fakeProxyConfig)
rpcHttpServerWithProxy.installDiscoveryApiHandlers(localDiscoveryNode)
await rpcHttpServerWithProxy.start()
await client.connect(
localSrvAddress, rpcHttpServerWithProxy.localAddress[0].port, false
)
return TestCase(
localDiscovery: localDiscoveryNode, server: rpcHttpServerWithProxy, client: client
)
proc stop(testCase: TestCase) {.async.} =
await testCase.server.stop()
await testCase.server.closeWait()
await testCase.localDiscovery.closeWait()
procSuite "Discovery RPC":
let rng = newRng()
asyncTest "Get local node info":
let tc = await setupTest(rng)
let jsonBytes = await tc.client.call("discv5_nodeInfo", %[])
let resp = JrpcConv.decode(jsonBytes.string, JsonNode)
check:
resp.contains("nodeId")
resp["nodeId"].kind == JString
resp.contains("enr")
resp["enr"].kind == JString
let nodeId = resp["nodeId"].getStr()
let nodeEnr = resp["enr"].getStr()
check:
nodeEnr == tc.localDiscovery.localNode.record.toURI()
nodeId == "0x" & tc.localDiscovery.localNode.id.toHex()
waitFor tc.stop()