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peer_SUITE.erl
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-module(peer_SUITE).
-include_lib("common_test/include/ct.hrl").
-include_lib("eunit/include/eunit.hrl").
-export([all/0]).
-export([coding_test/1, metadata_test/1, blacklist_test/1, association_test/1, signed_metadata_test/1]).
all() ->
[coding_test,
metadata_test,
blacklist_test,
association_test,
signed_metadata_test
].
coding_test(_) ->
#{public := PubKey1, secret := PrivKey1} = libp2p_crypto:generate_keys(ecc_compact),
#{public := PubKey2, secret := PrivKey2} = libp2p_crypto:generate_keys(ecc_compact),
SigFun1 = libp2p_crypto:mk_sig_fun(PrivKey1),
SigFun2 = libp2p_crypto:mk_sig_fun(PrivKey2),
#{public := AssocPubKey1, secret := AssocPrivKey1} = libp2p_crypto:generate_keys(ecc_compact),
AssocSigFun1 = libp2p_crypto:mk_sig_fun(AssocPrivKey1),
Associations = [libp2p_peer:mk_association(libp2p_crypto:pubkey_to_bin(AssocPubKey1),
libp2p_crypto:pubkey_to_bin(PubKey1),
AssocSigFun1)
],
Peer1Map = #{pubkey => libp2p_crypto:pubkey_to_bin(PubKey1),
listen_addrs => ["/ip4/8.8.8.8/tcp/1234"],
connected => [libp2p_crypto:pubkey_to_bin(PubKey2)],
nat_type => static,
associations => [{"wallet", Associations}]
},
{ok, Peer1} = libp2p_peer:from_map(Peer1Map, SigFun1),
DecodedPeer = libp2p_peer:decode(libp2p_peer:encode(Peer1)),
?assert(libp2p_peer:pubkey_bin(Peer1) == libp2p_peer:pubkey_bin(DecodedPeer)),
?assert(libp2p_peer:timestamp(Peer1) == libp2p_peer:timestamp(DecodedPeer)),
?assert(libp2p_peer:listen_addrs(Peer1) == libp2p_peer:listen_addrs(DecodedPeer)),
?assert(libp2p_peer:nat_type(Peer1) == libp2p_peer:nat_type(DecodedPeer)),
?assert(libp2p_peer:connected_peers(Peer1) == libp2p_peer:connected_peers(DecodedPeer)),
?assert(libp2p_peer:metadata(Peer1) == libp2p_peer:metadata(DecodedPeer)),
?assert(libp2p_peer:association_pubkey_bins(Peer1) == libp2p_peer:association_pubkey_bins(DecodedPeer)),
?assert(libp2p_peer:is_similar(Peer1, DecodedPeer)),
{ok, InvalidPeer} = libp2p_peer:from_map(Peer1Map, SigFun2),
?assertError(invalid_signature, libp2p_peer:decode(libp2p_peer:encode(InvalidPeer))),
% Check peer list coding
{ok, Peer2} = libp2p_peer:from_map(#{pubkey => libp2p_crypto:pubkey_to_bin(PubKey2),
listen_addrs => ["/ip4/8.8.8.8/tcp/5678"],
connected => [libp2p_crypto:pubkey_to_bin(PubKey1)],
nat_type => static},
SigFun2),
?assert(not libp2p_peer:is_similar(Peer1, Peer2)),
?assertEqual([Peer1, Peer2], libp2p_peer:decode_list(libp2p_peer:encode_list([Peer1, Peer2]))),
ok.
metadata_test(_) ->
#{secret := PrivKey1, public := PubKey1} = libp2p_crypto:generate_keys(ecc_compact),
SigFun1 = libp2p_crypto:mk_sig_fun(PrivKey1),
PeerMap = #{pubkey => libp2p_crypto:pubkey_to_bin(PubKey1),
listen_addrs => ["/ip4/8.8.8.8/tcp/1234"],
connected => [],
nat_type => static},
{ok, Peer} = libp2p_peer:from_map(PeerMap, SigFun1),
Excludes = ["/ip4/8.8.8.8/tcp/1234"],
MPeer = libp2p_peer:metadata_put(Peer, "exclude", term_to_binary(Excludes)),
?assertEqual(Excludes, binary_to_term(libp2p_peer:metadata_get(MPeer, "exclude", <<>>))),
%% metadata does not affect similarity. Changing this behavior will
%% BREAK peer gossiping so be very careful.
?assert(libp2p_peer:is_similar(MPeer, Peer)),
%% Transmit metadata as part of peer encode/decode
DecodedPeer = libp2p_peer:decode(libp2p_peer:encode(MPeer)),
?assertEqual(libp2p_peer:metadata(MPeer), libp2p_peer:metadata(DecodedPeer)),
%% But metadata is NOT transmitted as part of an encoded list of
%% peers. This avoids metedata being gossipped around. It's
%% untrusted, and mostly only locally relevant
?assertEqual([Peer], libp2p_peer:decode_list(libp2p_peer:encode_list([MPeer]))),
ok.
blacklist_test(_) ->
#{secret := PrivKey1, public := PubKey1} = libp2p_crypto:generate_keys(ecc_compact),
SigFun1 = libp2p_crypto:mk_sig_fun(PrivKey1),
BadListenAddr = "/ip4/8.8.8.8/tcp/1234",
GoodListenAddr = "/ip4/1.1.1.1/tcp/4321",
PeerMap = #{pubkey => libp2p_crypto:pubkey_to_bin(PubKey1),
listen_addrs => [BadListenAddr, GoodListenAddr],
connected => [],
nat_type => static},
{ok, Peer} = libp2p_peer:from_map(PeerMap, SigFun1),
MPeer = libp2p_peer:blacklist_add(Peer, BadListenAddr),
?assertEqual([BadListenAddr], libp2p_peer:blacklist(MPeer)),
?assert(libp2p_peer:is_blacklisted(MPeer, BadListenAddr)),
?assertEqual([GoodListenAddr], libp2p_peer:cleared_listen_addrs(MPeer)),
ok.
association_test(_) ->
#{secret := PrivKey1, public := PubKey1} = libp2p_crypto:generate_keys(ecc_compact),
SigFun1 = libp2p_crypto:mk_sig_fun(PrivKey1),
PeerMap = #{pubkey => libp2p_crypto:pubkey_to_bin(PubKey1),
listen_addrs => ["/ip4/8.8.8.8/tcp/1234"],
connected => [],
nat_type => static},
#{secret := AssocPrivKey1, public := AssocPubKey1} = libp2p_crypto:generate_keys(ecc_compact),
ValidAssoc = libp2p_peer:mk_association(libp2p_crypto:pubkey_to_bin(AssocPubKey1),
libp2p_crypto:pubkey_to_bin(PubKey1),
libp2p_crypto:mk_sig_fun(AssocPrivKey1)),
{ok, ValidPeer} = libp2p_peer:from_map(PeerMap#{associations => [{"wallet", [ValidAssoc]}]}, SigFun1),
?assert(libp2p_peer:is_association(ValidPeer, "wallet",
libp2p_crypto:pubkey_to_bin(AssocPubKey1))),
?assert(not libp2p_peer:is_association(ValidPeer, "wallet",
libp2p_crypto:pubkey_to_bin(PubKey1))),
?assert(not libp2p_peer:is_association(ValidPeer, "no_such_type",
libp2p_crypto:pubkey_to_bin(PubKey1))),
?assertEqual([{"wallet", [libp2p_crypto:pubkey_to_bin(AssocPubKey1)]}],
libp2p_peer:association_pubkey_bins(ValidPeer)),
?assertEqual([ValidAssoc], libp2p_peer:associations_get(ValidPeer, "wallet")),
?assertEqual([{"wallet", [ValidAssoc]}], libp2p_peer:associations(ValidPeer)),
?assert(libp2p_peer:verify(ValidPeer)),
EncodedValidAssoc = libp2p_peer:association_encode(ValidAssoc),
?assertEqual(ValidAssoc, libp2p_peer:association_decode(EncodedValidAssoc,
libp2p_crypto:pubkey_to_bin(PubKey1))),
%% Setting the same association dedupes
{ok, ValidPeer2} = libp2p_peer:associations_put(ValidPeer, "wallet", ValidAssoc, SigFun1),
?assertEqual([ValidAssoc], libp2p_peer:associations_get(ValidPeer2, "wallet")),
%% Make an association signed with the wrong private key
InvalidAssoc = libp2p_peer:mk_association(libp2p_crypto:pubkey_to_bin(AssocPubKey1),
libp2p_crypto:pubkey_to_bin(PubKey1), SigFun1),
{ok, InvalidPeer} = libp2p_peer:associations_put(ValidPeer, "wallet", InvalidAssoc, SigFun1),
?assert(libp2p_peer:is_association(InvalidPeer, "wallet",
libp2p_crypto:pubkey_to_bin(AssocPubKey1))),
?assertEqual([InvalidAssoc], libp2p_peer:associations_get(InvalidPeer, "wallet")),
?assertError(invalid_association_signature, libp2p_peer:verify(InvalidPeer)),
ok.
signed_metadata_test(_) ->
#{secret := PrivKey1, public := PubKey1} = libp2p_crypto:generate_keys(ecc_compact),
SigFun1 = libp2p_crypto:mk_sig_fun(PrivKey1),
PeerMap = #{pubkey => libp2p_crypto:pubkey_to_bin(PubKey1),
listen_addrs => ["/ip4/8.8.8.8/tcp/1234"],
connected => [],
nat_type => static,
signed_metadata => #{<<"hello">> => <<"world">>, <<"number">> => 1, <<"floaty">> => 0.42}},
{ok, Peer} = libp2p_peer:from_map(PeerMap, SigFun1),
?assertEqual(<<"world">>, libp2p_peer:signed_metadata_get(Peer, <<"hello">>, <<"dlrow">>)),
?assertEqual(1, libp2p_peer:signed_metadata_get(Peer, <<"number">>, 1)),
?assertEqual(0.42, libp2p_peer:signed_metadata_get(Peer, <<"floaty">>, 0.42)),
?assertEqual(<<"dlrow">>, libp2p_peer:signed_metadata_get(Peer, <<"goodbye">>, <<"dlrow">>)),
DecodedPeer = libp2p_peer:decode(libp2p_peer:encode(Peer)),
?assertEqual(<<"world">>, libp2p_peer:signed_metadata_get(DecodedPeer, <<"hello">>, <<"dlrow">>)),
?assertEqual(1, libp2p_peer:signed_metadata_get(DecodedPeer, <<"number">>, 1)),
?assertEqual(0.42, libp2p_peer:signed_metadata_get(DecodedPeer, <<"floaty">>, 0.42)),
?assertEqual(<<"dlrow">>, libp2p_peer:signed_metadata_get(DecodedPeer, <<"goodbye">>, <<"dlrow">>)),
ok.