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Merge pull request #3672

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875c1cab wallet2: increase rpc timeout for get_output_distribution (moneromooo-monero)
70f23217 add top height to get_output_distribution, and cache it for rct (moneromooo-monero)
8c7363fb rpc: add missing perf timer for get_output_distribution (moneromooo-monero)
This commit is contained in:
Riccardo Spagni
2018-04-21 21:54:08 +02:00
parent 6f6521ad7a 875c1cabb9
commit 03ff3be10e
3 changed files with 39 additions and 1 deletions
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34
src/rpc/core_rpc_server.cpp
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@@ -2082,10 +2082,27 @@ namespace cryptonote
//------------------------------------------------------------------------------------------------------------------------------
bool core_rpc_server::on_get_output_distribution(const COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::request& req, COMMAND_RPC_GET_OUTPUT_DISTRIBUTION::response& res, epee::json_rpc::error& error_resp)
{
PERF_TIMER(on_get_output_distribution);
try
{
for (uint64_t amount: req.amounts)
{
static struct D
{
boost::mutex mutex;
std::vector<uint64_t> cached_distribution;
uint64_t cached_from, cached_to, cached_start_height, cached_base;
bool cached;
D(): cached_from(0), cached_to(0), cached_start_height(0), cached_base(0), cached(false) {}
} d;
boost::unique_lock<boost::mutex> lock(d.mutex);
if (d.cached && amount == 0 && d.cached_from == req.from_height && d.cached_to == req.to_height)
{
res.distributions.push_back({amount, d.cached_start_height, d.cached_distribution, d.cached_base});
continue;
}
std::vector<uint64_t> distribution;
uint64_t start_height, base;
if (!m_core.get_output_distribution(amount, req.from_height, start_height, distribution, base))
@@ -2094,12 +2111,29 @@ namespace cryptonote
error_resp.message = "Failed to get rct distribution";
return false;
}
if (req.to_height > 0 && req.to_height >= req.from_height)
{
uint64_t offset = std::max(req.from_height, start_height);
if (offset <= req.to_height && req.to_height - offset + 1 < distribution.size())
distribution.resize(req.to_height - offset + 1);
}
if (req.cumulative)
{
distribution[0] += base;
for (size_t n = 1; n < distribution.size(); ++n)
distribution[n] += distribution[n-1];
}
if (amount == 0)
{
d.cached_from = req.from_height;
d.cached_to = req.to_height;
d.cached_distribution = distribution;
d.cached_start_height = start_height;
d.cached_base = base;
d.cached = true;
}
res.distributions.push_back({amount, start_height, std::move(distribution), base});
}
}