bitcoin-core/src/util/rbf.h

// Copyright (c) 2016-2019 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 const 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. */
bool SignalsOptInRBF(const CTransaction &tx);

#endif // BITCOIN_UTIL_RBF_H
scripted-diff: Bump copyright of files changed in 2019 -BEGIN VERIFY SCRIPT- ./contrib/devtools/copyright_header.py update ./ -END VERIFY SCRIPT- 2019-12-30 22:39:22 +13:00			`// Copyright (c) 2016-2019 The Bitcoin Core developers`
[build] Add several util units Adds the following util units and adds them to libbitcoin_util: - `util/url.cpp` takes `urlDecode` from `httpserver.cpp` - `util/error.cpp` takes `TransactionErrorString` from `node/transaction.cpp` and `AmountHighWarn` and `AmountErrMsg` from `ui_interface.cpp` - `util/fees.cpp` takes `StringForFeeReason` and `FeeModeFromString` from `policy/fees.cpp` - `util/rbf.cpp` takes `SignalsOptInRBF` from `policy/rbf.cpp` - 'util/validation.cpp` takes `FormatStateMessage` and `strMessageMagic` from 'validation.cpp` 2019-04-02 17:03:37 -04:00			`// 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 const uint32_t MAX_BIP125_RBF_SEQUENCE = 0xfffffffd;`

call SignalsOptInRBF instead of checking all inputs 2021-08-20 13:01:07 +01:00			`/** 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. */`
[build] Add several util units Adds the following util units and adds them to libbitcoin_util: - `util/url.cpp` takes `urlDecode` from `httpserver.cpp` - `util/error.cpp` takes `TransactionErrorString` from `node/transaction.cpp` and `AmountHighWarn` and `AmountErrMsg` from `ui_interface.cpp` - `util/fees.cpp` takes `StringForFeeReason` and `FeeModeFromString` from `policy/fees.cpp` - `util/rbf.cpp` takes `SignalsOptInRBF` from `policy/rbf.cpp` - 'util/validation.cpp` takes `FormatStateMessage` and `strMessageMagic` from 'validation.cpp` 2019-04-02 17:03:37 -04:00			`bool SignalsOptInRBF(const CTransaction &tx);`

			`#endif // BITCOIN_UTIL_RBF_H`