Bitcoin Core  22.99.0
P2P Digital Currency
net_types.cpp
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1 // Copyright (c) 2021 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #include <net_types.h>
6 
7 #include <logging.h>
8 #include <netaddress.h>
9 #include <netbase.h>
10 #include <univalue.h>
11 
12 static const char* BANMAN_JSON_VERSION_KEY{"version"};
13 
15  : nVersion(json[BANMAN_JSON_VERSION_KEY].get_int()),
16  nCreateTime(json["ban_created"].get_int64()),
17  nBanUntil(json["banned_until"].get_int64())
18 {
19 }
20 
22 {
25  json.pushKV("ban_created", nCreateTime);
26  json.pushKV("banned_until", nBanUntil);
27  return json;
28 }
29 
30 static const char* BANMAN_JSON_ADDR_KEY = "address";
31 
39 {
40  UniValue bans_json(UniValue::VARR);
41  for (const auto& it : bans) {
42  const auto& address = it.first;
43  const auto& ban_entry = it.second;
44  UniValue j = ban_entry.ToJson();
45  j.pushKV(BANMAN_JSON_ADDR_KEY, address.ToString());
46  bans_json.push_back(j);
47  }
48  return bans_json;
49 }
50 
58 void BanMapFromJson(const UniValue& bans_json, banmap_t& bans)
59 {
60  for (const auto& ban_entry_json : bans_json.getValues()) {
61  const int version{ban_entry_json[BANMAN_JSON_VERSION_KEY].get_int()};
62  if (version != CBanEntry::CURRENT_VERSION) {
63  LogPrintf("Dropping entry with unknown version (%s) from ban list\n", version);
64  continue;
65  }
66  CSubNet subnet;
67  const auto& subnet_str = ban_entry_json[BANMAN_JSON_ADDR_KEY].get_str();
68  if (!LookupSubNet(subnet_str, subnet)) {
69  LogPrintf("Dropping entry with unparseable address or subnet (%s) from ban list\n", subnet_str);
70  continue;
71  }
72  bans.insert_or_assign(subnet, CBanEntry{ban_entry_json});
73  }
74 }
UniValue::VOBJ
@ VOBJ
Definition: univalue.h:19
BanMapToJson
UniValue BanMapToJson(const banmap_t &bans)
Convert a banmap_t object to a JSON array.
Definition: net_types.cpp:38
CBanEntry::CBanEntry
CBanEntry()
Definition: net_types.h:22
BanMapFromJson
void BanMapFromJson(const UniValue &bans_json, banmap_t &bans)
Convert a JSON array to a banmap_t object.
Definition: net_types.cpp:58
UniValue::pushKV
bool pushKV(const std::string &key, const UniValue &val)
Definition: univalue.cpp:133
UniValue
Definition: univalue.h:17
net_types.h
LookupSubNet
bool LookupSubNet(const std::string &subnet_str, CSubNet &subnet_out)
Parse and resolve a specified subnet string into the appropriate internal representation.
Definition: netbase.cpp:679
netaddress.h
univalue.h
LogPrintf
#define LogPrintf(...)
Definition: logging.h:188
CBanEntry::nVersion
int nVersion
Definition: net_types.h:18
CSubNet
Definition: netaddress.h:475
CBanEntry::nCreateTime
int64_t nCreateTime
Definition: net_types.h:19
BANMAN_JSON_ADDR_KEY
static const char * BANMAN_JSON_ADDR_KEY
Definition: net_types.cpp:30
BANMAN_JSON_VERSION_KEY
static const char * BANMAN_JSON_VERSION_KEY
Definition: net_types.cpp:12
ankerl::nanobench::templates::json
char const * json() noexcept
Template to generate JSON data.
logging.h
CBanEntry
Definition: net_types.h:14
CBanEntry::ToJson
UniValue ToJson() const
Generate a JSON representation of this ban entry.
Definition: net_types.cpp:21
UniValue::push_back
bool push_back(const UniValue &val)
Definition: univalue.cpp:108
CBanEntry::nBanUntil
int64_t nBanUntil
Definition: net_types.h:20
UniValue::getValues
const std::vector< UniValue > & getValues() const
Definition: univalue_get.cpp:84
banmap_t
std::map< CSubNet, CBanEntry > banmap_t
Definition: net_types.h:41
netbase.h
CBanEntry::CURRENT_VERSION
static constexpr int CURRENT_VERSION
Definition: net_types.h:17
UniValue::VARR
@ VARR
Definition: univalue.h:19