peers rpc call

simple way to display nbc peer table

beacon_chain/beacon_node.nim

@@ -705,6 +705,22 @@ proc installDebugApiHandlers(rpcServer: RpcServer, node: BeaconNode) =
 
     return res
 
+  rpcServer.rpc("peers") do () -> JsonNode:
+    var res = newJObject()
+    var peers = newJArray()
+    for id, peer in node.network.peerPool:
+      peers.add(
+        %(
+          info: shortLog(peer.info),
+          wasDialed: peer.wasDialed,
+          connectionState: $peer.connectionState,
+          score: peer.score,
+        )
+      )
+    res.add("peers", peers)
+
+    return res
+
 proc installRpcHandlers(rpcServer: RpcServer, node: BeaconNode) =
   rpcServer.installValidatorApiHandlers(node)
   rpcServer.installBeaconApiHandlers(node)

beacon_chain/eth2_network.nim

@@ -192,8 +192,6 @@ const
   TTFB_TIMEOUT* = 5.seconds
   RESP_TIMEOUT* = 10.seconds
 
-  readTimeoutErrorMsg = "Exceeded read timeout for a request"
-
   NewPeerScore* = 200
     ## Score which will be assigned to new connected Peer
   PeerScoreLowLimit* = 0
@@ -274,10 +272,6 @@ proc openStream(node: Eth2Node,
     else:
       raise
 
-func peerId(conn: Connection): PeerID =
-  # TODO: Can this be `nil`?
-  conn.peerInfo.peerId
-
 proc init*(T: type Peer, network: Eth2Node, info: PeerInfo): Peer {.gcsafe.}
 
 proc getPeer*(node: Eth2Node, peerInfo: PeerInfo): Peer {.gcsafe.} =
@@ -572,6 +566,11 @@ proc handleIncomingStream(network: Eth2Node,
   try:
     let peer = peerFromStream(network, conn)
 
+    # TODO peer connection setup is broken, update info in some better place
+    #      whenever race is fix:
+    #      https://github.com/status-im/nim-beacon-chain/issues/1157
+    peer.info = conn.peerInfo
+
     template returnInvalidRequest(msg: ErrorMsg) =
       await sendErrorResponse(peer, conn, noSnappy, InvalidRequest, msg)
       return