Peer network addresses, not payment addresses

1001    case NET_IPV4:
1002    case NET_IPV6:
1003        valid = true;
1004        assert(addr.m_addr.size() <= sizeof(netmask));
1005        memset(netmask, 0xFF, addr.m_addr.size());
1006        break;
1007    case NET_ONION:
1008    case NET_I2P:
1009    case NET_CJDNS:
1010        valid = true;
1011        break;
1012    case NET_INTERNAL:
1013    case NET_UNROUTABLE:
1014    case NET_MAX:
1015        return;
1016    }
1017
1018    network = addr;
1019}
1020
1021/**
1022 * @returns True if this subnet is valid, the specified address is valid, and
1023 *          the specified address belongs in this subnet.
1024 */
1025bool CSubNet::Match(const CNetAddr &addr) const
1026{
1027    if (!valid || !addr.IsValid() || network.m_net != addr.m_net)
1028        return false;
1029
1030    switch (network.m_net) {
1031    case NET_IPV4:
1032    case NET_IPV6:
1033        break;
1034    case NET_ONION:
1035    case NET_I2P:
1036    case NET_CJDNS:
1037    case NET_INTERNAL:
1038        return addr == network;
1039    case NET_UNROUTABLE:
1040    case NET_MAX:
1041        return false;
1042    }
1043
1044    assert(network.m_addr.size() == addr.m_addr.size());
1045    for (size_t x = 0; x < addr.m_addr.size(); ++x) {
1046        if ((addr.m_addr[x] & netmask[x]) != network.m_addr[x]) {
1047            return false;
1048        }
1049    }
1050    return true;
1051}
1052
1053std::string CSubNet::ToString() const
1054{
1055    std::string suffix;
1056
1057    switch (network.m_net) {
1058    case NET_IPV4:
1059    case NET_IPV6: {
1060        assert(network.m_addr.size() <= sizeof(netmask));
1061
1062        uint8_t cidr = 0;
1063
1064        for (size_t i = 0; i < network.m_addr.size(); ++i) {
1065            if (netmask[i] == 0x00) {
1066                break;
1067            }
1068            cidr += NetmaskBits(netmask[i]);
1069        }
1070
1071        suffix = strprintf("/%u", cidr);
1072        break;
1073    }
1074    case NET_ONION:
1075    case NET_I2P:
1076    case NET_CJDNS:
1077    case NET_INTERNAL:
1078    case NET_UNROUTABLE:
1079    case NET_MAX:
1080        break;
1081    }
1082
1083    return network.ToStringAddr() + suffix;
1084}
1085
1086bool CSubNet::IsValid() const
1087{
1088    return valid;
1089}
1090
1091bool operator==(const CSubNet& a, const CSubNet& b)
1092{
1093    return a.valid == b.valid && a.network == b.network && !memcmp(a.netmask, b.netmask, 16);
1094}
1095
1096bool operator<(const CSubNet& a, const CSubNet& b)
1097{
1098    return (a.network < b.network || (a.network == b.network && memcmp(a.netmask, b.netmask, 16) < 0));
1099}
1100