// Copyright 2021 Prysmatic Labs.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
syntax = "proto3";

package ethereum.eth.v1;

import "google/protobuf/descriptor.proto";

import "proto/eth/ext/options.proto";

option csharp_namespace = "Ethereum.Eth.V1";
option go_package = "github.com/prysmaticlabs/prysm/v4/proto/eth/v1";
option java_multiple_files = true;
option java_outer_classname = "BeaconNodeProto";
option java_package = "org.ethereum.eth.v1";
option php_namespace = "Ethereum\\Eth\\v1";

// Peer provides details of a peer on the network.
message Peer {
  // The peer id of the peer.
  string peer_id = 1;
  // The latest ENR of the peer that's in the record.
  string enr = 2;
  // The address of the peer, as a full multiaddr, for example:
  // /ip4/37.221.192.134/tcp/13000/p2p/16Uiu2HAm8maLMjag1TAUM52zPfmLbVMGFdwUAWgoHu1HDQLR6e17
  string last_seen_p2p_address = 3;
  // The connection state of the peer at the moment of the request. (e.g. Connecting)
  ConnectionState state = 4;
  // The direction of the connection (inbound/outbound).
  PeerDirection direction = 5;
}

// PeerDirection states the direction of the connection to a peer.
enum PeerDirection {
  INBOUND = 0;
  OUTBOUND = 1;
}

// ConnectionState states the current status of the peer.
enum ConnectionState {
  DISCONNECTED = 0;
  CONNECTING = 1;
  CONNECTED = 2;
  DISCONNECTING = 3;
}
