diff options
Diffstat (limited to 'src/policy/v3_policy.h')
| -rw-r--r-- | src/policy/v3_policy.h | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/src/policy/v3_policy.h b/src/policy/v3_policy.h index 2e56f8822b..90eaeda46f 100644 --- a/src/policy/v3_policy.h +++ b/src/policy/v3_policy.h @@ -15,8 +15,9 @@ #include <set> #include <string> -// This module enforces rules for transactions with nVersion=3 ("v3 transactions") which help make +// This module enforces rules for BIP 431 TRUC transactions (with version=3) which help make // RBF abilities more robust. +static constexpr decltype(CTransaction::version) TRUC_VERSION{3}; // v3 only allows 1 parent and 1 child when unconfirmed. /** Maximum number of transactions including an unconfirmed tx and its descendants. */ @@ -24,11 +25,13 @@ static constexpr unsigned int V3_DESCENDANT_LIMIT{2}; /** Maximum number of transactions including a V3 tx and all its mempool ancestors. */ static constexpr unsigned int V3_ANCESTOR_LIMIT{2}; +/** Maximum sigop-adjusted virtual size of all v3 transactions. */ +static constexpr int64_t V3_MAX_VSIZE{10000}; /** Maximum sigop-adjusted virtual size of a tx which spends from an unconfirmed v3 transaction. */ static constexpr int64_t V3_CHILD_MAX_VSIZE{1000}; // These limits are within the default ancestor/descendant limits. -static_assert(V3_CHILD_MAX_VSIZE + MAX_STANDARD_TX_WEIGHT / WITNESS_SCALE_FACTOR <= DEFAULT_ANCESTOR_SIZE_LIMIT_KVB * 1000); -static_assert(V3_CHILD_MAX_VSIZE + MAX_STANDARD_TX_WEIGHT / WITNESS_SCALE_FACTOR <= DEFAULT_DESCENDANT_SIZE_LIMIT_KVB * 1000); +static_assert(V3_MAX_VSIZE + V3_CHILD_MAX_VSIZE <= DEFAULT_ANCESTOR_SIZE_LIMIT_KVB * 1000); +static_assert(V3_MAX_VSIZE + V3_CHILD_MAX_VSIZE <= DEFAULT_DESCENDANT_SIZE_LIMIT_KVB * 1000); /** Must be called for every transaction, even if not v3. Not strictly necessary for transactions * accepted through AcceptMultipleTransactions. @@ -40,6 +43,7 @@ static_assert(V3_CHILD_MAX_VSIZE + MAX_STANDARD_TX_WEIGHT / WITNESS_SCALE_FACTOR * 4. A v3's descendant set, including itself, must be within V3_DESCENDANT_LIMIT. * 5. If a v3 tx has any unconfirmed ancestors, the tx's sigop-adjusted vsize must be within * V3_CHILD_MAX_VSIZE. + * 6. A v3 tx must be within V3_MAX_VSIZE. * * * @param[in] mempool_ancestors The in-mempool ancestors of ptx. |