Bitcoin Core 31.99.0
P2P Digital Currency
tx_verify.h
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1// Copyright (c) 2017-present The Bitcoin Core developers
2// Distributed under the MIT software license, see the accompanying
3// file COPYING or http://www.opensource.org/licenses/mit-license.php.
4
5#ifndef BITCOIN_CONSENSUS_TX_VERIFY_H
6#define BITCOIN_CONSENSUS_TX_VERIFY_H
7
8#include <consensus/amount.h>
10
11#include <cstdint>
12#include <utility>
13#include <vector>
14
15class CBlockIndex;
16class CCoinsViewCache;
17class CTransaction;
19
22namespace Consensus {
29[[nodiscard]] bool CheckTxInputs(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, int nSpendHeight, CAmount& txfee);
30} // namespace Consensus
31
39unsigned int GetLegacySigOpCount(const CTransaction& tx);
40
48unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& mapInputs);
49
58
63bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime);
64
71std::pair<int, int64_t> CalculateSequenceLocks(const CTransaction &tx, int flags, std::vector<int>& prevHeights, const CBlockIndex& block);
72
73bool EvaluateSequenceLocks(const CBlockIndex& block, std::pair<int, int64_t> lockPair);
78bool SequenceLocks(const CTransaction &tx, int flags, std::vector<int>& prevHeights, const CBlockIndex& block);
79
80#endif // BITCOIN_CONSENSUS_TX_VERIFY_H
int64_t CAmount
Amount in satoshis (Can be negative)
Definition: amount.h:12
int flags
Definition: bitcoin-tx.cpp:530
The block chain is a tree shaped structure starting with the genesis block at the root,...
Definition: chain.h:94
CCoinsView that adds a memory cache for transactions to another CCoinsView.
Definition: coins.h:437
The basic transaction that is broadcasted on the network and contained in blocks.
Definition: transaction.h:281
Transaction validation functions.
bool CheckTxInputs(const CTransaction &tx, TxValidationState &state, const CCoinsViewCache &inputs, int nSpendHeight, CAmount &txfee)
Check whether all inputs of this transaction are valid (no double spends and amounts) This does not m...
Definition: tx_verify.cpp:170
unsigned int GetP2SHSigOpCount(const CTransaction &tx, const CCoinsViewCache &mapInputs)
Count ECDSA signature operations in pay-to-script-hash inputs.
Definition: tx_verify.cpp:132
bool EvaluateSequenceLocks(const CBlockIndex &block, std::pair< int, int64_t > lockPair)
Definition: tx_verify.cpp:103
std::pair< int, int64_t > CalculateSequenceLocks(const CTransaction &tx, int flags, std::vector< int > &prevHeights, const CBlockIndex &block)
Calculates the block height and previous block's median time past at which the transaction will be co...
Definition: tx_verify.cpp:45
int64_t GetTransactionSigOpCost(const CTransaction &tx, const CCoinsViewCache &inputs, script_verify_flags flags)
Compute total signature operation cost of a transaction.
Definition: tx_verify.cpp:149
unsigned int GetLegacySigOpCount(const CTransaction &tx)
Auxiliary functions for transaction validation (ideally should not be exposed)
Definition: tx_verify.cpp:118
bool SequenceLocks(const CTransaction &tx, int flags, std::vector< int > &prevHeights, const CBlockIndex &block)
Check if transaction is final per BIP 68 sequence numbers and can be included in a block.
Definition: tx_verify.cpp:113
bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime)
Check if transaction is final and can be included in a block with the specified height and time.
Definition: tx_verify.cpp:23