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wallet: make the segregation height settable 

via user setting first, then DNS TXT record, hardcoded fallback
This commit is contained in:
moneromooo-monero 2018-03-13 19:38:52 +00:00
parent 5cd36e48bf
commit 1e393f4bb7
No known key found for this signature in database
GPG Key ID: 686F07454D6CEFC3
4 changed files with 87 additions and 9 deletions
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24
src/simplewallet/simplewallet.cpp
View File

@ -1968,6 +1968,23 @@ bool simple_wallet::set_subaddress_lookahead(const std::vector<std::string> &arg
return true;
}
bool simple_wallet::set_segregation_height(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
const auto pwd_container = get_and_verify_password();
if (pwd_container)
{
uint64_t height;
if (!epee::string_tools::get_xtype_from_string(height, args[1]))
{
fail_msg_writer() << tr("Invalid height");
return true;
}
m_wallet->segregation_height(height);
m_wallet->rewrite(m_wallet_file, pwd_container->password());
}
return true;
}
bool simple_wallet::help(const std::vector<std::string> &args/* = std::vector<std::string>()*/)
{
if(args.empty())
@ -2148,7 +2165,10 @@ simple_wallet::simple_wallet()
"key-reuse-mitigation2 <1|0>\n "
" Set this if you are not sure whether you will spend on a key reusing Monero fork later.\n"
"subaddress-lookahead <major>:<minor>\n "
" Set the lookahead sizes for the subaddress hash table."));
" Set the lookahead sizes for the subaddress hash table.\n "
" Set this if you are not sure whether you will spend on a key reusing Monero fork later.\n "
"segregation-height <n>\n "
" Set to the height of a key reusing fork you want to use, 0 to use default."));
m_cmd_binder.set_handler("encrypted_seed",
boost::bind(&simple_wallet::encrypted_seed, this, _1),
tr("Display the encrypted Electrum-style mnemonic seed."));
@ -2344,6 +2364,7 @@ bool simple_wallet::set_variable(const std::vector<std::string> &args)
success_msg_writer() << "key-reuse-mitigation2 = " << m_wallet->key_reuse_mitigation2();
const std::pair<size_t, size_t> lookahead = m_wallet->get_subaddress_lookahead();
success_msg_writer() << "subaddress-lookahead = " << lookahead.first << ":" << lookahead.second;
success_msg_writer() << "segregation-height = " << m_wallet->segregation_height();
return true;
}
else
@ -2397,6 +2418,7 @@ bool simple_wallet::set_variable(const std::vector<std::string> &args)
CHECK_SIMPLE_VARIABLE("segregate-pre-fork-outputs", set_segregate_pre_fork_outputs, tr("0 or 1"));
CHECK_SIMPLE_VARIABLE("key-reuse-mitigation2", set_key_reuse_mitigation2, tr("0 or 1"));
CHECK_SIMPLE_VARIABLE("subaddress-lookahead", set_subaddress_lookahead, tr("<major>:<minor>"));
CHECK_SIMPLE_VARIABLE("segregation-height", set_segregation_height, tr("unsigned integer"));
}
fail_msg_writer() << tr("set: unrecognized argument(s)");
return true;

1
src/simplewallet/simplewallet.h
View File

@ -136,6 +136,7 @@ namespace cryptonote
bool set_segregate_pre_fork_outputs(const std::vector<std::string> &args = std::vector<std::string>());
bool set_key_reuse_mitigation2(const std::vector<std::string> &args = std::vector<std::string>());
bool set_subaddress_lookahead(const std::vector<std::string> &args = std::vector<std::string>());
bool set_segregation_height(const std::vector<std::string> &args = std::vector<std::string>());
bool help(const std::vector<std::string> &args = std::vector<std::string>());
bool start_mining(const std::vector<std::string> &args);
bool stop_mining(const std::vector<std::string> &args);

66
src/wallet/wallet2.cpp
View File

@ -65,6 +65,7 @@ using namespace epee;
#include "common/json_util.h"
#include "memwipe.h"
#include "common/base58.h"
#include "common/dns_utils.h"
#include "ringct/rctSigs.h"
#include "ringdb.h"
@ -662,6 +663,7 @@ wallet2::wallet2(network_type nettype, bool restricted):
m_auto_low_priority(true),
m_segregate_pre_fork_outputs(true),
m_key_reuse_mitigation2(true),
m_segregation_height(0),
m_is_initialized(false),
m_restricted(restricted),
is_old_file_format(false),
@ -2594,6 +2596,9 @@ bool wallet2::store_keys(const std::string& keys_file_name, const epee::wipeable
value2.SetInt(m_key_reuse_mitigation2 ? 1 : 0);
json.AddMember("key_reuse_mitigation2", value2, json.GetAllocator());
value2.SetUint(m_segregation_height);
json.AddMember("segregation_height", value2, json.GetAllocator());
// Serialize the JSON object
rapidjson::StringBuffer buffer;
rapidjson::Writer<rapidjson::StringBuffer> writer(buffer);
@ -5774,14 +5779,7 @@ void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>>
if (fake_outputs_count > 0)
{
uint64_t segregation_fork_height;
switch (m_nettype)
{
case TESTNET: segregation_fork_height = TESTNET_SEGREGATION_FORK_HEIGHT; break;
case STAGENET: segregation_fork_height = STAGENET_SEGREGATION_FORK_HEIGHT; break;
case MAINNET: segregation_fork_height = SEGREGATION_FORK_HEIGHT; break;
default: THROW_WALLET_EXCEPTION(error::wallet_internal_error, "Invalid network type");
}
uint64_t segregation_fork_height = get_segregation_fork_height();
// check whether we're shortly after the fork
uint64_t height;
boost::optional<std::string> result = m_node_rpc_proxy.get_height(height);
@ -10324,6 +10322,58 @@ std::vector<std::pair<uint64_t, uint64_t>> wallet2::estimate_backlog(uint64_t mi
return estimate_backlog(fee_levels);
}
//----------------------------------------------------------------------------------------------------
uint64_t wallet2::get_segregation_fork_height() const
{
if (m_nettype == TESTNET)
return TESTNET_SEGREGATION_FORK_HEIGHT;
if (m_nettype == STAGENET)
return STAGENET_SEGREGATION_FORK_HEIGHT;
THROW_WALLET_EXCEPTION_IF(m_nettype != MAINNET, tools::error::wallet_internal_error, "Invalid network type");
if (m_segregation_height > 0)
return m_segregation_height;
static const bool use_dns = true;
if (use_dns)
{
// All four MoneroPulse domains have DNSSEC on and valid
static const std::vector<std::string> dns_urls = {
"segheights.moneropulse.org",
"segheights.moneropulse.net",
"segheights.moneropulse.co",
"segheights.moneropulse.se"
};
const uint64_t current_height = get_blockchain_current_height();
uint64_t best_diff = std::numeric_limits<uint64_t>::max(), best_height = 0;
std::vector<std::string> records;
if (tools::dns_utils::load_txt_records_from_dns(records, dns_urls))
{
for (const auto& record : records)
{
std::vector<std::string> fields;
boost::split(fields, record, boost::is_any_of(":"));
if (fields.size() != 2)
continue;
uint64_t height;
if (!string_tools::get_xtype_from_string(height, fields[1]))
continue;
MINFO("Found segregation height via DNS: " << fields[0] << " fork height at " << height);
uint64_t diff = height > current_height ? height - current_height : current_height - height;
if (diff < best_diff)
{
best_diff = diff;
best_height = height;
}
}
if (best_height)
return best_height;
}
}
return SEGREGATION_FORK_HEIGHT;
}
//----------------------------------------------------------------------------------------------------
void wallet2::generate_genesis(cryptonote::block& b) const {
if (m_nettype == TESTNET)
{

5
src/wallet/wallet2.h
View File

@ -872,6 +872,8 @@ namespace tools
void segregate_pre_fork_outputs(bool value) { m_segregate_pre_fork_outputs = value; }
bool key_reuse_mitigation2() const { return m_key_reuse_mitigation2; }
void key_reuse_mitigation2(bool value) { m_key_reuse_mitigation2 = value; }
uint64_t segregation_height() const { return m_segregation_height; }
void segregation_height(uint64_t height) { m_segregation_height = height; }
bool get_tx_key(const crypto::hash &txid, crypto::secret_key &tx_key, std::vector<crypto::secret_key> &additional_tx_keys) const;
void check_tx_key(const crypto::hash &txid, const crypto::secret_key &tx_key, const std::vector<crypto::secret_key> &additional_tx_keys, const cryptonote::account_public_address &address, uint64_t &received, bool &in_pool, uint64_t &confirmations);
@ -1134,6 +1136,8 @@ namespace tools
bool get_output_distribution(uint64_t &start_height, std::vector<uint64_t> &distribution);
uint64_t get_segregation_fork_height() const;
cryptonote::account_base m_account;
boost::optional<epee::net_utils::http::login> m_daemon_login;
std::string m_daemon_address;
@ -1200,6 +1204,7 @@ namespace tools
bool m_auto_low_priority;
bool m_segregate_pre_fork_outputs;
bool m_key_reuse_mitigation2;
uint64_t m_segregation_height;
bool m_is_initialized;
NodeRPCProxy m_node_rpc_proxy;
std::unordered_set<crypto::hash> m_scanned_pool_txs[2];