mirror of
https://github.com/bitcoin/bitcoin.git
synced 2025-01-26 19:23:26 -03:00
f47dda2c58
-BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- Commits of previous years: * 2020:fa0074e2d8* 2019:aaaaad6ac9
23 lines
961 B
C++
23 lines
961 B
C++
// Copyright (c) 2016-2021 The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#ifndef BITCOIN_UTIL_RBF_H
|
|
#define BITCOIN_UTIL_RBF_H
|
|
|
|
#include <cstdint>
|
|
|
|
class CTransaction;
|
|
|
|
static constexpr uint32_t MAX_BIP125_RBF_SEQUENCE{0xfffffffd};
|
|
|
|
/** Check whether the sequence numbers on this transaction are signaling opt-in to replace-by-fee,
|
|
* according to BIP 125. Allow opt-out of transaction replacement by setting nSequence >
|
|
* MAX_BIP125_RBF_SEQUENCE (SEQUENCE_FINAL-2) on all inputs.
|
|
*
|
|
* SEQUENCE_FINAL-1 is picked to still allow use of nLockTime by non-replaceable transactions. All
|
|
* inputs rather than just one is for the sake of multi-party protocols, where we don't want a single
|
|
* party to be able to disable replacement by opting out in their own input. */
|
|
bool SignalsOptInRBF(const CTransaction& tx);
|
|
|
|
#endif // BITCOIN_UTIL_RBF_H
|