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Use cluster size limit for -maxmempool bound, and allow -maxmempool=0 in general

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Previously we would sanity check the -maxmempool configuration based on a
multiple of the descendant size limit, but with cluster mempool the maximum
evicted size is now the cluster size limit, so use that instead.

Also allow -maxmempool=0 in general (and not just if
-limitdescendantsize/-limitclustersize is set to 0).
This commit is contained in:
Suhas Daftuar
2025-11-11 15:51:38 -05:00
parent 315e43e5d8
commit 17cf9ff7ef
2 changed files with 3 additions and 4 deletions
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6
src/txmempool.cpp
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@@ -164,9 +164,9 @@ CTxMemPool::setEntries CTxMemPool::CalculateMemPoolAncestors(const CTxMemPoolEnt
static CTxMemPool::Options&& Flatten(CTxMemPool::Options&& opts, bilingual_str& error)
{
opts.check_ratio = std::clamp<int>(opts.check_ratio, 0, 1'000'000);
int64_t descendant_limit_bytes = opts.limits.descendant_size_vbytes * 40;
if (opts.max_size_bytes < 0 || opts.max_size_bytes < descendant_limit_bytes) {
error = strprintf(_("-maxmempool must be at least %d MB"), std::ceil(descendant_limit_bytes / 1'000'000.0));
int64_t cluster_limit_bytes = opts.limits.cluster_size_vbytes * 40;
if (opts.max_size_bytes < 0 || (opts.max_size_bytes > 0 && opts.max_size_bytes < cluster_limit_bytes)) {
error = strprintf(_("-maxmempool must be at least %d MB"), std::ceil(cluster_limit_bytes / 1'000'000.0));
}
return std::move(opts);
}