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simplewallet: add public_nodes command

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Lists nodes exposing their RPC port for public use
This commit is contained in:
moneromooo-monero 2019-06-25 16:50:08 +00:00
parent 2899379791
commit ffa46026b5
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GPG key ID: 686F07454D6CEFC3
7 changed files with 99 additions and 22 deletions
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84
src/simplewallet/simplewallet.cpp
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@ -262,6 +262,7 @@ namespace
const char* USAGE_FROZEN("frozen <key_image>");
const char* USAGE_LOCK("lock");
const char* USAGE_NET_STATS("net_stats");
const char* USAGE_PUBLIC_NODES("public_nodes");
const char* USAGE_WELCOME("welcome");
const char* USAGE_RPC_PAYMENT_INFO("rpc_payment_info");
const char* USAGE_START_MINING_FOR_RPC("start_mining_for_rpc");
@ -2247,6 +2248,45 @@ bool simple_wallet::net_stats(const std::vector<std::string> &args)
return true;
}
bool simple_wallet::public_nodes(const std::vector<std::string> &args)
{
try
{
auto nodes = m_wallet->get_public_nodes(false);
m_claimed_cph.clear();
if (nodes.empty())
{
fail_msg_writer() << tr("No known public nodes");
return true;
}
std::sort(nodes.begin(), nodes.end(), [](const public_node &node0, const public_node &node1) {
if (node0.rpc_credits_per_hash && node1.rpc_credits_per_hash == 0)
return true;
if (node0.rpc_credits_per_hash && node1.rpc_credits_per_hash)
return node0.rpc_credits_per_hash < node1.rpc_credits_per_hash;
return false;
});
const uint64_t now = time(NULL);
message_writer() << boost::format("%32s %12s %16s") % tr("address") % tr("credits/hash") % tr("last_seen");
for (const auto &node: nodes)
{
const float cph = node.rpc_credits_per_hash / RPC_CREDITS_PER_HASH_SCALE;
char cphs[9];
snprintf(cphs, sizeof(cphs), "%.3f", cph);
const std::string last_seen = node.last_seen == 0 ? tr("never") : get_human_readable_timespan(std::chrono::seconds(now - node.last_seen));
std::string host = node.host + ":" + std::to_string(node.rpc_port);
message_writer() << boost::format("%32s %12s %16s") % host % cphs % last_seen;
m_claimed_cph[host] = node.rpc_credits_per_hash;
}
}
catch (const std::exception &e)
{
fail_msg_writer() << tr("Error retrieving public node list: ") << e.what();
}
return true;
}
bool simple_wallet::welcome(const std::vector<std::string> &args)
{
message_writer() << tr("Welcome to Monero, the private cryptocurrency.");
@ -3525,6 +3565,10 @@ simple_wallet::simple_wallet()
boost::bind(&simple_wallet::on_command, this, &simple_wallet::net_stats, _1),
tr(USAGE_NET_STATS),
tr("Prints simple network stats"));
m_cmd_binder.set_handler("public_nodes",
boost::bind(&simple_wallet::public_nodes, this, _1),
tr(USAGE_PUBLIC_NODES),
tr("Lists known public nodes"));
m_cmd_binder.set_handler("welcome",
boost::bind(&simple_wallet::on_command, this, &simple_wallet::welcome, _1),
tr(USAGE_WELCOME),
@ -5260,24 +5304,7 @@ bool simple_wallet::check_daemon_rpc_prices(const std::string &daemon_url, uint3
}
else
{
const std::string host = node.host + ":" + std::to_string(node.rpc_port);
if (host == daemon_url)
{
claimed_cph = node.rpc_credits_per_hash;
bool payment_required;
uint64_t credits, diff, credits_per_hash_found, height;
uint32_t cookie;
cryptonote::blobdata hashing_blob;
if (m_wallet->get_rpc_payment_info(false, payment_required, credits, diff, credits_per_hash_found, hashing_blob, height, cookie) && payment_required)
{
actual_cph = RPC_CREDITS_PER_HASH_SCALE * (credits_per_hash_found / (float)diff);
return true;
}
else
{
fail_msg_writer() << tr("Error checking daemon RPC access prices");
}
}
fail_msg_writer() << tr("Error checking daemon RPC access prices");
}
}
catch (const std::exception &e)
@ -5313,7 +5340,7 @@ bool simple_wallet::set_daemon(const std::vector<std::string>& args)
// If no port has been provided, use the default from config
if (!match[3].length())
{
int daemon_port = get_config(m_wallet->nettype()).RPC_DEFAULT_PORT;
uint16_t daemon_port = get_config(m_wallet->nettype()).RPC_DEFAULT_PORT;
daemon_url = match[1] + match[2] + std::string(":") + std::to_string(daemon_port);
} else {
daemon_url = args[0];
@ -5346,8 +5373,27 @@ bool simple_wallet::set_daemon(const std::vector<std::string>& args)
}
catch (const std::exception &e) { }
}
if (!try_connect_to_daemon())
{
fail_msg_writer() << tr("Failed to connect to daemon");
return true;
}
success_msg_writer() << boost::format("Daemon set to %s, %s") % daemon_url % (m_wallet->is_trusted_daemon() ? tr("trusted") : tr("untrusted"));
// check whether the daemon's prices match the claim, and disconnect if not, to disincentivize daemons lying
uint32_t actual_cph, claimed_cph;
if (check_daemon_rpc_prices(daemon_url, actual_cph, claimed_cph))
{
if (actual_cph < claimed_cph)
{
fail_msg_writer() << tr("Daemon RPC credits/hash is less than was claimed. Either this daemon is cheating, or it changed its setup recently.");
fail_msg_writer() << tr("Claimed: ") << claimed_cph / (float)RPC_CREDITS_PER_HASH_SCALE;
fail_msg_writer() << tr("Actual: ") << actual_cph / (float)RPC_CREDITS_PER_HASH_SCALE;
}
}
m_daemon_rpc_payment_message_displayed = false;
} else {
fail_msg_writer() << tr("This does not seem to be a valid daemon URL.");