353 lines
13 KiB
Nim
353 lines
13 KiB
Nim
# Fluffy
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# Copyright (c) 2021-2024 Status Research & Development GmbH
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# Licensed and distributed under either of
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# * MIT license (license terms in the root directory or at https://opensource.org/licenses/MIT).
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# * Apache v2 license (license terms in the root directory or at https://www.apache.org/licenses/LICENSE-2.0).
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# at your option. This file may not be copied, modified, or distributed except according to those terms.
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import
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os,
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std/sequtils,
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unittest2,
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testutils,
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confutils,
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chronos,
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stew/byteutils,
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eth/p2p/discoveryv5/random2,
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eth/common/keys,
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../common/common_types,
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../rpc/portal_rpc_client,
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../rpc/eth_rpc_client,
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../eth_data/[history_data_seeding, history_data_json_store, history_data_ssz_e2s],
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../network/history/[history_content, validation/historical_hashes_accumulator],
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../tests/history_network_tests/test_history_util
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type
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FutureCallback[A] = proc(): Future[A] {.gcsafe, raises: [].}
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CheckCallback[A] = proc(a: A): bool {.gcsafe, raises: [].}
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PortalTestnetConf* = object
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nodeCount* {.defaultValue: 17, desc: "Number of nodes to test", name: "node-count".}:
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int
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rpcAddress* {.
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desc: "Listening address of the JSON-RPC service for all nodes",
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defaultValue: "127.0.0.1",
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name: "rpc-address"
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.}: string
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baseRpcPort* {.
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defaultValue: 10000,
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desc: "Port of the JSON-RPC service of the bootstrap (first) node",
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name: "base-rpc-port"
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.}: uint16
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proc connectToRpcServers(config: PortalTestnetConf): Future[seq[RpcClient]] {.async.} =
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var clients: seq[RpcClient]
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for i in 0 ..< config.nodeCount:
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let client = newRpcHttpClient()
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await client.connect(config.rpcAddress, Port(config.baseRpcPort + uint16(i)), false)
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clients.add(client)
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return clients
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proc withRetries[A](
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f: FutureCallback[A],
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check: CheckCallback[A],
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numRetries: int,
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initialWait: Duration,
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checkFailMessage: string,
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nodeIdx: int,
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): Future[A] {.async.} =
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## Retries given future callback until either:
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## it returns successfuly and given check is true
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## or
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## function reaches max specified retries
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var tries = 0
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var currentDuration = initialWait
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while true:
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try:
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let res = await f()
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if check(res):
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return res
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else:
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raise newException(ValueError, checkFailMessage)
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except CatchableError as exc:
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if tries > numRetries:
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# if we reached max number of retries fail
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let msg =
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"Call failed with msg: " & exc.msg & ", for node with idx: " & $nodeIdx &
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", after " & $tries & " tries."
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raise newException(ValueError, msg)
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inc tries
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# wait before new retry
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await sleepAsync(currentDuration)
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currentDuration = currentDuration * 2
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# Sometimes we need to wait till data will be propagated over the network.
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# To avoid long sleeps, this combinator can be used to retry some calls until
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# success or until some condition hold (or both)
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proc retryUntil[A](
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f: FutureCallback[A], c: CheckCallback[A], checkFailMessage: string, nodeIdx: int
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): Future[A] =
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# some reasonable limits, which will cause waits as: 1, 2, 4, 8, 16, 32 seconds
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return withRetries(f, c, 3, seconds(1), checkFailMessage, nodeIdx)
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# Note:
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# When doing json-rpc requests following `RpcPostError` can occur:
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# "Failed to send POST Request with JSON-RPC." when a `HttpClientRequestRef`
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# POST request is send in the json-rpc http client.
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# This error is raised when the httpclient hits error:
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# "Could not send request headers", which in its turn is caused by the
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# "Incomplete data sent or received" in `AsyncStream`, which is caused by
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# `ECONNRESET` or `EPIPE` error (see `isConnResetError()`) on the TCP stream.
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# This can occur when the server side closes the connection, which happens after
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# a `httpHeadersTimeout` of default 10 seconds (set on `HttpServerRef.new()`).
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# In order to avoid here hitting this timeout a `close()` is done after each
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# json-rpc call. Because the first json-rpc call opens up the connection, and it
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# remains open until a close() (or timeout). No need to do another connect
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# before any new call as the proc `connectToRpcServers` doesn't actually connect
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# to servers, as client.connect doesn't do that. It just sets the `httpAddress`.
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# Yes, this client json rpc API couldn't be more confusing.
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# Could also just retry each call on failure, which would set up a new
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# connection.
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# We are kind of abusing the unittest2 here to run json rpc tests against other
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# processes. Needs to be compiled with `-d:unittest2DisableParamFiltering` or
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# the confutils cli will not work.
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procSuite "Portal testnet tests":
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let config = PortalTestnetConf.load()
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let rng = newRng()
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asyncTest "Discv5 - Random node lookup from each node":
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let clients = await connectToRpcServers(config)
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var nodeInfos: seq[NodeInfo]
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for client in clients:
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let nodeInfo = await client.discv5_nodeInfo()
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await client.close()
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nodeInfos.add(nodeInfo)
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# Kick off the network by trying to add all records to each node.
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# These nodes are also set as seen, so they get passed along on findNode
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# requests.
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# Note: The amount of Records added here can be less but then the
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# probability that all nodes will still be reached needs to be calculated.
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# Note 2: One could also ping all nodes but that is much slower and more
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# error prone
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for client in clients:
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discard await client.discv5_addEnrs(
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nodeInfos.map(
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proc(x: NodeInfo): Record =
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x.enr
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)
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)
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await client.close()
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for client in clients:
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let routingTableInfo = await client.discv5_routingTableInfo()
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await client.close()
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var start: seq[NodeId]
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let nodes = foldl(routingTableInfo.buckets, a & b, start)
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# A node will have at least the first bucket filled. One could increase
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# this based on the probability that x amount of nodes fit in the buckets.
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check nodes.len >= (min(config.nodeCount - 1, 16))
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# grab a random node its `NodeInfo` and lookup that node from all nodes.
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let randomNodeInfo = sample(rng[], nodeInfos)
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for client in clients:
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var enr: Record
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enr = await client.discv5_lookupEnr(randomNodeInfo.nodeId)
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check enr == randomNodeInfo.enr
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await client.close()
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asyncTest "Portal State - Random node lookup from each node":
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let clients = await connectToRpcServers(config)
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var nodeInfos: seq[NodeInfo]
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for client in clients:
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let nodeInfo = await client.portal_stateNodeInfo()
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await client.close()
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nodeInfos.add(nodeInfo)
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for client in clients:
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discard await client.portal_stateAddEnrs(
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nodeInfos.map(
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proc(x: NodeInfo): Record =
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x.enr
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)
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)
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await client.close()
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for client in clients:
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let routingTableInfo = await client.portal_stateRoutingTableInfo()
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await client.close()
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var start: seq[NodeId]
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let nodes = foldl(routingTableInfo.buckets, a & b, start)
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check nodes.len >= (min(config.nodeCount - 1, 16))
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# grab a random node its `NodeInfo` and lookup that node from all nodes.
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let randomNodeInfo = sample(rng[], nodeInfos)
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for client in clients:
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var enr: Record
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try:
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enr = await client.portal_stateLookupEnr(randomNodeInfo.nodeId)
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except CatchableError as e:
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echo e.msg
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# TODO: For state network this occasionally fails. It might be because the
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# distance function is not used in all locations, or perhaps it just
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# doesn't converge to the target always with this distance function. To be
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# further investigated.
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skip()
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# check enr == randomNodeInfo.enr
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await client.close()
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asyncTest "Portal History - Random node lookup from each node":
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let clients = await connectToRpcServers(config)
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var nodeInfos: seq[NodeInfo]
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for client in clients:
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let nodeInfo = await client.portal_historyNodeInfo()
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await client.close()
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nodeInfos.add(nodeInfo)
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for client in clients:
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discard await client.portal_historyAddEnrs(
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nodeInfos.map(
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proc(x: NodeInfo): Record =
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x.enr
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)
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)
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await client.close()
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for client in clients:
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let routingTableInfo = await client.portal_historyRoutingTableInfo()
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await client.close()
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var start: seq[NodeId]
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let nodes = foldl(routingTableInfo.buckets, a & b, start)
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check nodes.len >= (min(config.nodeCount - 1, 16))
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# grab a random node its `NodeInfo` and lookup that node from all nodes.
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let randomNodeInfo = sample(rng[], nodeInfos)
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for client in clients:
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var enr: Record
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enr = await client.portal_historyLookupEnr(randomNodeInfo.nodeId)
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await client.close()
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check enr == randomNodeInfo.enr
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asyncTest "Portal History - Propagate blocks and do content lookups":
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const
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headerFile =
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"./vendor/portal-spec-tests/tests/mainnet/history/headers/1000001-1000010.e2s"
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accumulatorFile =
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"./vendor/portal-spec-tests/tests/mainnet/history/accumulator/epoch-record-00122.ssz"
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blockDataFile = "./fluffy/tests/blocks/mainnet_blocks_1000001_1000010.json"
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let
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blockHeaders = readBlockHeaders(headerFile).valueOr:
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raiseAssert "Invalid header file: " & headerFile
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epochRecord = readEpochRecordCached(accumulatorFile).valueOr:
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raiseAssert "Invalid epoch accumulator file: " & accumulatorFile
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blockHeadersWithProof = buildHeadersWithProof(blockHeaders, epochRecord).valueOr:
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raiseAssert "Could not build headers with proof"
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blockData = readJsonType(blockDataFile, BlockDataTable).valueOr:
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raiseAssert "Invalid block data file" & blockDataFile
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clients = await connectToRpcServers(config)
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# Gossiping all block headers with proof first, as bodies and receipts
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# require them for validation.
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for (contentKey, contentValue) in blockHeadersWithProof:
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discard (
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await clients[0].portal_historyGossip(contentKey.toHex(), contentValue.toHex())
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)
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# TODO: Fix iteration order: Because the blockData gets parsed into a
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# BlockDataTable, iterating over this result in gossiping the block bodies
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# and receipts of block in a different order than the headers.
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# Because of this, block bodies and receipts for block
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# 0x6251d65b8a8668efabe2f89c96a5b6332d83b3bbe585089ea6b2ab9b6754f5e9
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# come right after the headers with proof. This is likely to cause validation
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# failures on the nodes, as the block bodies and receipts require the header
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# to get validated.
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await sleepAsync(seconds(1))
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# Gossiping all block bodies and receipts.
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for b in blocks(blockData, false):
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for i, value in b:
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if i == 0:
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# Note: Skipping the headers, they are handled above already
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continue
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# Only sending non empty data, e.g. empty receipts are not send
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# TODO: Could do a similar thing for a combination of empty
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# txs and empty uncles, as then the serialization is always the same.
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if value[1].len() > 0:
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let
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contentKey = history_content.encode(value[0]).asSeq().toHex()
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contentValue = value[1].toHex()
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discard (await clients[0].portal_historyGossip(contentKey, contentValue))
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await clients[0].close()
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for i, client in clients:
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# Note: Once there is the Canonical Indices Network, we don't need to
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# access this file anymore here for the block hashes.
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for hash in blockData.blockHashes():
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# Note: More flexible approach instead of generic retries could be to
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# add a json-rpc debug proc that returns whether the offer queue is empty or
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# not. And then poll every node until all nodes have an empty queue.
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let content = await retryUntil(
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proc(): Future[Opt[BlockObject]] {.async.} =
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try:
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let res = await client.eth_getBlockByHash(hash, true)
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await client.close()
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return res
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except CatchableError as exc:
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await client.close()
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raise exc,
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proc(mc: Opt[BlockObject]): bool =
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return mc.isSome(),
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"Did not receive expected Block with hash " & hash.data.toHex(),
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i,
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)
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check content.isSome()
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let blockObj = content.get()
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check blockObj.hash == hash
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for tx in blockObj.transactions:
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doAssert(tx.kind == tohTx)
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check tx.tx.blockHash.get == hash
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let filterOptions = FilterOptions(blockHash: Opt.some(hash))
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let logs = await retryUntil(
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proc(): Future[seq[LogObject]] {.async.} =
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try:
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let res = await client.eth_getLogs(filterOptions)
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await client.close()
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return res
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except CatchableError as exc:
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await client.close()
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raise exc,
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proc(mc: seq[LogObject]): bool =
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return true,
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"",
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i,
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)
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for l in logs:
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check:
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l.blockHash == Opt.some(hash)
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# TODO: Check ommersHash, need the headers and not just the hashes
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# for uncle in blockObj.uncles:
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# discard
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await client.close()
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