remove bzz protocol (#506)

Swarm has moved to libp2p

eth/p2p/rlpx_protocols/bzz_protocol.nim

@@ -1,86 +0,0 @@
-import
-  chronos, chronicles,
-  ../../p2p
-
-# Limited bzz protocol that allows for doing a handshake with a peer running
-# ethersphere/swarm client rev. c535b271536d0dee5bd97c2541ca32a42f272d4f
-
-const
-  bzzVersion = 12
-  hiveVersion = 10
-  swarmNetworkId* = 4
-  # Faking our capabilities to make handshake work, "bit" 0, 1, 4, 5, 15.
-  supportedCapabilities = [1, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1]
-
-type
-  # Need object (or extra seq) here as swarm expects list(list(Capability))
-  Capabilities = object
-    caps: seq[Capability]
-
-  Capability = object
-    id: uint
-    # Swarm expects here list(bool), thus bool or int (values <= 1 byte, as rlp
-    # writer has currently no int8 support). Guess this could be a bitvector.
-    # Also looks like per id the list can have a different size, so lets stick
-    # with seq instead of array.
-    value: seq[int]
-
-  OverlayAddress = array[32, byte]
-
-  AddressData = object
-    oaddr: OverlayAddress
-    uaddr: string
-
-  Handshake = object
-    version: uint
-    networkId: uint
-    addressData: AddressData
-    capabilities: Capabilities
-
-  BzzNetwork = ref object
-    thisENode*: ENode
-
-p2pProtocol Hive(version = hiveVersion,
-                 rlpxName = "hive"):
-
-  proc peersMsg(peer: Peer)
-  proc subPeersMsg(peer:Peer)
-
-  onPeerConnected do (peer: Peer):
-    debug "Hive peer connected"
-
-proc initProtocolState*(network: BzzNetwork, node: EthereumNode) {.gcsafe.} =
-  network.thisENode = node.toENode()
-
-p2pProtocol Bzz(version = bzzVersion,
-                rlpxName = "bzz",
-                networkState = BzzNetwork):
-
-  handshake:
-    proc hs(peer: Peer, hs: Handshake) =
-      trace "Incoming bzz handshake", version = hs.version,
-                                      addressData = hs.addressData
-
-  onPeerConnected do (peer: Peer):
-    debug "Bzz peer connected"
-
-    # Now all zeroes, this needs to be the Hash of the ECDSA Public Key
-    # of the used Ethereum account
-    var oaddr: OverlayAddress
-    let
-      # TODO: could do ENode RLP serialisation
-      # Why do we need to send the ENode? Doesn't the peer already have this?
-      # Or should it be a different one?
-      uaddr = $peer.networkState.thisENode
-      addressData = AddressData(oaddr: oaddr,
-                                uaddr: uaddr)
-
-      caps = Capabilities(caps: @[Capability(id: 0,
-                                             value: @supportedCapabilities)])
-      handshake = Handshake(version: bzzVersion,
-                            networkId: swarmNetworkId,
-                            addressData: addressData,
-                            capabilities: caps)
-
-      m = await peer.hs(handshake, timeout = chronos.seconds(10))
-      # TODO: validate the handshake...

tests/p2p/bzz_basic_client.nim

@@ -1,20 +0,0 @@
-import
-  std/tables,
-  chronos,
-  ../../eth/p2p, ../../eth/p2p/peer_pool,
-  ../../eth/p2p/rlpx_protocols/bzz_protocol,
-  ./p2p_test_helper
-
-# Basic bzz test to test handshake with ethersphere/swarm node
-# Fixed enode string for now
-
-var node = setupTestNode(Bzz, Hive)
-
-let nodeId = "enode://10420addaa648ffcf09c4ba9df7ce876f276f77aae015bc9346487780c9c04862dc47cec17c86be10d4fb7d93f2cae3f8e702f94cb6dea5807bfedad218a53df@127.0.0.1:30399"
-let enode = ENode.fromString(nodeId)[]
-waitFor node.peerPool.connectToNode(newNode(enode))
-
-doAssert node.peerPool.connectedNodes.len() == 1
-
-while true:
-  poll()