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[packages] add sanity checks for package vs mempool limits

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glozow 2021-09-07 14:08:32 +01:00
parent be3ff151a1
commit 8310d942e0
1 changed files with 10 additions and 0 deletions
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10
src/validation.h
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@ -60,6 +60,16 @@ static const unsigned int DEFAULT_ANCESTOR_SIZE_LIMIT = 101;
static const unsigned int DEFAULT_DESCENDANT_LIMIT = 25; static const unsigned int DEFAULT_DESCENDANT_LIMIT = 25;
/** Default for -limitdescendantsize, maximum kilobytes of in-mempool descendants */ /** Default for -limitdescendantsize, maximum kilobytes of in-mempool descendants */
static const unsigned int DEFAULT_DESCENDANT_SIZE_LIMIT = 101; static const unsigned int DEFAULT_DESCENDANT_SIZE_LIMIT = 101;
// If a package is submitted, it must be within the mempool's ancestor/descendant limits. Since a
// submitted package must be child-with-unconfirmed-parents (all of the transactions are an ancestor
// of the child), package limits are ultimately bounded by mempool package limits. Ensure that the
// defaults reflect this constraint.
static_assert(DEFAULT_DESCENDANT_LIMIT >= MAX_PACKAGE_COUNT);
static_assert(DEFAULT_ANCESTOR_LIMIT >= MAX_PACKAGE_COUNT);
static_assert(DEFAULT_ANCESTOR_SIZE_LIMIT >= MAX_PACKAGE_SIZE);
static_assert(DEFAULT_DESCENDANT_SIZE_LIMIT >= MAX_PACKAGE_SIZE);
/** Default for -mempoolexpiry, expiration time for mempool transactions in hours */ /** Default for -mempoolexpiry, expiration time for mempool transactions in hours */
static const unsigned int DEFAULT_MEMPOOL_EXPIRY = 336; static const unsigned int DEFAULT_MEMPOOL_EXPIRY = 336;
/** Maximum number of dedicated script-checking threads allowed */ /** Maximum number of dedicated script-checking threads allowed */