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Blockchain: get height of RingCT fork programmatically

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Get height of the RingCT fork to start the output distributuon programmatically, instead of using a hardcoded index.

If using a hardcoded index, when the hardfork tables are modified, this can cause segmentation faults or horrific privacy issues: https://codeberg.org/wownero/wownero/issues/488#issuecomment-2514880.
This commit is contained in:
jeffro256 2024-12-16 15:16:34 -06:00
parent 9866a0e902
commit fe170698b1
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GPG key ID: 6F79797A6E392442
1 changed files with 2 additions and 11 deletions
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13
src/cryptonote_core/blockchain.cpp
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@ -2363,17 +2363,8 @@ void Blockchain::get_output_key_mask_unlocked(const uint64_t& amount, const uint
bool Blockchain::get_output_distribution(uint64_t amount, uint64_t from_height, uint64_t to_height, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) const bool Blockchain::get_output_distribution(uint64_t amount, uint64_t from_height, uint64_t to_height, uint64_t &start_height, std::vector<uint64_t> &distribution, uint64_t &base) const
{ {
// rct outputs don't exist before v4 // rct outputs don't exist before v4
if (amount == 0) if (amount == 0 && m_nettype != network_type::FAKECHAIN)
{ start_height = m_hardfork->get_earliest_ideal_height_for_version(HF_VERSION_DYNAMIC_FEE);
switch (m_nettype)
{
case STAGENET: start_height = stagenet_hard_forks[3].height; break;
case TESTNET: start_height = testnet_hard_forks[3].height; break;
case MAINNET: start_height = mainnet_hard_forks[3].height; break;
case FAKECHAIN: start_height = 0; break;
default: return false;
}
}
else else
start_height = 0; start_height = 0;
base = 0; base = 0;