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rpc: improve get_output_distribution

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It can now handle small reorgs without having to rescan the
whole blockchain.

Also add a test for it.
This commit is contained in:
moneromooo-monero 2019-04-25 16:41:33 +00:00
parent 581994b61c
commit 0eb0d6b802
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7 changed files with 270 additions and 20 deletions
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2
src/rpc/daemon_handler.cpp
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@ -778,7 +778,7 @@ namespace rpc
const uint64_t req_to_height = req.to_height ? req.to_height : (m_core.get_current_blockchain_height() - 1);
for (std::uint64_t amount : req.amounts)
{
auto data = rpc::RpcHandler::get_output_distribution([this](uint64_t amount, uint64_t from, uint64_t to, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) { return m_core.get_output_distribution(amount, from, to, start_height, distribution, base); }, amount, req.from_height, req_to_height, req.cumulative);
auto data = rpc::RpcHandler::get_output_distribution([this](uint64_t amount, uint64_t from, uint64_t to, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) { return m_core.get_output_distribution(amount, from, to, start_height, distribution, base); }, amount, req.from_height, req_to_height, [this](uint64_t height) { return m_core.get_blockchain_storage().get_db().get_block_hash_from_height(height); }, req.cumulative, m_core.get_current_blockchain_height());
if (!data)
{
res.distributions.clear();