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author | glozow <gloriajzhao@gmail.com> | 2021-07-27 15:55:25 +0100 |
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committer | glozow <gloriajzhao@gmail.com> | 2021-09-02 16:23:27 +0100 |
commit | 3f033f01a6b0f7772ae1b21044903b8f4249ad08 (patch) | |
tree | 9827288b5d98a2d0aa8423ac14f5d835f0969b2e /src/policy/rbf.h | |
parent | 7b60c02b7d5e2ab12288393d2258873ebb26d811 (diff) | |
download | bitcoin-3f033f01a6b0f7772ae1b21044903b8f4249ad08.tar.xz |
MOVEONLY: check for disjoint conflicts and ancestors to policy/rbf
This checks that a transaction isn't trying to replace something it
supposedly depends on.
Diffstat (limited to 'src/policy/rbf.h')
-rw-r--r-- | src/policy/rbf.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/src/policy/rbf.h b/src/policy/rbf.h index 0f9a3d9856..6c4e218959 100644 --- a/src/policy/rbf.h +++ b/src/policy/rbf.h @@ -56,4 +56,17 @@ std::optional<std::string> GetEntriesForConflicts(const CTransaction& tx, CTxMem std::optional<std::string> HasNoNewUnconfirmed(const CTransaction& tx, const CTxMemPool& m_pool, const CTxMemPool::setEntries& setIterConflicting) EXCLUSIVE_LOCKS_REQUIRED(m_pool.cs); + +/** Check the intersection between two sets of transactions (a set of mempool entries and a set of + * txids) to make sure they are disjoint. + * @param[in] setAncestors Set of mempool entries corresponding to ancestors of the + * replacement transactions. + * @param[in] setConflicts Set of txids corresponding to the mempool conflicts + * (candidates to be replaced). + * @param[in] txid Transaction ID, included in the error message if violation occurs. + * @returns error message if the sets intersect, std::nullopt if they are disjoint. + */ +std::optional<std::string> EntriesAndTxidsDisjoint(const CTxMemPool::setEntries& setAncestors, + const std::set<uint256>& setConflicts, + const uint256& txid); #endif // BITCOIN_POLICY_RBF_H |