Bitcoin Core 28.99.0
P2P Digital Currency
tx_verify.h
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1// Copyright (c) 2017-2021 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>
9
10#include <stdint.h>
11#include <vector>
12
13class CBlockIndex;
14class CCoinsViewCache;
15class CTransaction;
17
20namespace Consensus {
27[[nodiscard]] bool CheckTxInputs(const CTransaction& tx, TxValidationState& state, const CCoinsViewCache& inputs, int nSpendHeight, CAmount& txfee);
28} // namespace Consensus
29
37unsigned int GetLegacySigOpCount(const CTransaction& tx);
38
46unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& mapInputs);
47
55int64_t GetTransactionSigOpCost(const CTransaction& tx, const CCoinsViewCache& inputs, uint32_t flags);
56
61bool IsFinalTx(const CTransaction &tx, int nBlockHeight, int64_t nBlockTime);
62
69std::pair<int, int64_t> CalculateSequenceLocks(const CTransaction &tx, int flags, std::vector<int>& prevHeights, const CBlockIndex& block);
70
71bool EvaluateSequenceLocks(const CBlockIndex& block, std::pair<int, int64_t> lockPair);
76bool SequenceLocks(const CTransaction &tx, int flags, std::vector<int>& prevHeights, const CBlockIndex& block);
77
78#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:536
The block chain is a tree shaped structure starting with the genesis block at the root,...
Definition: chain.h:141
CCoinsView that adds a memory cache for transactions to another CCoinsView.
Definition: coins.h:363
The basic transaction that is broadcasted on the network and contained in blocks.
Definition: transaction.h:296
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:164
unsigned int GetP2SHSigOpCount(const CTransaction &tx, const CCoinsViewCache &mapInputs)
Count ECDSA signature operations in pay-to-script-hash inputs.
Definition: tx_verify.cpp:126
bool EvaluateSequenceLocks(const CBlockIndex &block, std::pair< int, int64_t > lockPair)
Definition: tx_verify.cpp:97
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:39
int64_t GetTransactionSigOpCost(const CTransaction &tx, const CCoinsViewCache &inputs, uint32_t flags)
Compute total signature operation cost of a transaction.
Definition: tx_verify.cpp:143
unsigned int GetLegacySigOpCount(const CTransaction &tx)
Auxiliary functions for transaction validation (ideally should not be exposed)
Definition: tx_verify.cpp:112
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:107
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:17