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hardfork: ensure current_fork_index can not become negative on rescan

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moneromooo-monero 2015-12-26 13:17:00 +00:00
parent b90e14d927
commit 50ee591152
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src/cryptonote_core/hardfork.cpp
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@ -210,7 +210,7 @@ bool HardFork::reorganize_from_block_height(uint64_t height)
last_versions[n] = 0;
const uint64_t rescan_height = height >= (window_size - 1) ? height - (window_size -1) : 0;
const uint8_t start_version = height == 0 ? original_version : db.get_hard_fork_version(height);
while (heights[current_fork_index].version > start_version) {
while (current_fork_index > 0 && heights[current_fork_index].version > start_version) {
db.set_hard_fork_starting_height(heights[current_fork_index].version, std::numeric_limits<uint64_t>::max());
--current_fork_index;
}