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gamma picker: relax constructor requirements and test for selecting outputs from first spendable block

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This commit is contained in:
jeffro256 2023-03-26 13:22:07 -05:00
parent 44ac52f929
commit eb0e4052b7
2 changed files with 58 additions and 2 deletions
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4
src/wallet/wallet2.cpp
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@ -1001,7 +1001,7 @@ gamma_picker::gamma_picker(const std::vector<uint64_t> &rct_offsets, double shap
rct_offsets(rct_offsets)
{
gamma = std::gamma_distribution<double>(shape, scale);
THROW_WALLET_EXCEPTION_IF(rct_offsets.size() <= CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE, error::wallet_internal_error, "Bad offset calculation");
THROW_WALLET_EXCEPTION_IF(rct_offsets.size() < std::max(1, CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE), error::wallet_internal_error, "Bad offset calculation");
const size_t blocks_in_a_year = 86400 * 365 / DIFFICULTY_TARGET_V2;
const size_t blocks_to_consider = std::min<size_t>(rct_offsets.size(), blocks_in_a_year);
const size_t outputs_to_consider = rct_offsets.back() - (blocks_to_consider < rct_offsets.size() ? rct_offsets[rct_offsets.size() - blocks_to_consider - 1] : 0);
@ -8420,7 +8420,7 @@ void wallet2::get_outs(std::vector<std::vector<tools::wallet2::get_outs_entry>>
if (has_rct)
{
// check we're clear enough of rct start, to avoid corner cases below
THROW_WALLET_EXCEPTION_IF(rct_offsets.size() <= CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE,
THROW_WALLET_EXCEPTION_IF(rct_offsets.size() < std::max(1, CRYPTONOTE_DEFAULT_TX_SPENDABLE_AGE),
error::get_output_distribution, "Not enough rct outputs");
THROW_WALLET_EXCEPTION_IF(rct_offsets.back() <= max_rct_index,
error::get_output_distribution, "Daemon reports suspicious number of rct outputs");