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add RPC to get a histogram of outputs of a given amount

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This commit is contained in:
moneromooo-monero
2018-02-19 11:15:15 +00:00
parent 51bb7fafac
commit 41f727ce42
14 changed files with 284 additions and 8 deletions
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65
src/wallet/wallet2.cpp
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@@ -2266,6 +2266,71 @@ bool wallet2::refresh(uint64_t & blocks_fetched, bool& received_money, bool& ok)
return ok;
}
//----------------------------------------------------------------------------------------------------
bool wallet2::get_output_distribution(uint64_t &start_height, std::vector<uint64_t> &distribution)
{
uint32_t rpc_version;
boost::optional<std::string> result = m_node_rpc_proxy.get_rpc_version(rpc_version);
// no error
if (!!result)
{
// empty string -> not connection
THROW_WALLET_EXCEPTION_IF(result->empty(), tools::error::no_connection_to_daemon, "getversion");
THROW_WALLET_EXCEPTION_IF(*result == CORE_RPC_STATUS_BUSY, tools::error::daemon_busy, "getversion");
if (*result != CORE_RPC_STATUS_OK)
{
MDEBUG("Cannot determine daemon RPC version, not requesting rct distribution");
return false;
}
}
else
{
if (rpc_version >= MAKE_CORE_RPC_VERSION(1, 19))
{
MDEBUG("Daemon is recent enough, requesting rct distribution");
}
else
{
MDEBUG("Daemon is too old, not requesting rct distribution");
return false;
}
}
cryptonote::COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::request req = AUTO_VAL_INIT(req);
cryptonote::COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::response res = AUTO_VAL_INIT(res);
req.amounts.push_back(0);
m_daemon_rpc_mutex.lock();
bool r = net_utils::invoke_http_json_rpc("/json_rpc", "get_output_distribution", req, res, m_http_client, rpc_timeout);
m_daemon_rpc_mutex.unlock();
if (!r)
{
MWARNING("Failed to request output distribution: no connection to daemon");
return false;
}
if (res.status == CORE_RPC_STATUS_BUSY)
{
MWARNING("Failed to request output distribution: daemon is busy");
return false;
}
if (res.status != CORE_RPC_STATUS_OK)
{
MWARNING("Failed to request output distribution: " << res.status);
return false;
}
if (res.distributions.size() != 1)
{
MWARNING("Failed to request output distribution: not the expected single result");
return false;
}
if (res.distributions[0].amount != 0)
{
MWARNING("Failed to request output distribution: results are not for amount 0");
return false;
}
start_height = res.distributions[0].start_height;
distribution = std::move(res.distributions[0].distribution);
return true;
}
//----------------------------------------------------------------------------------------------------
void wallet2::detach_blockchain(uint64_t height)
{
LOG_PRINT_L0("Detaching blockchain on height " << height);